/* roulang page: index */
:root {
            --color-dark: #171A21;
            --color-dark-2: #1F232D;
            --color-dark-3: #262B37;
            --color-accent: #FF5C3B;
            --color-accent-hover: #E84A2B;
            --color-gold: #F2B84B;
            --color-success: #26A69A;
            --color-bg: #F6F5F2;
            --color-card: #FFFFFF;
            --color-border: #E8E4DE;
            --color-text-primary: #171A21;
            --color-text-body: #3A3F4D;
            --color-text-muted: #7A7F88;
            --color-text-light: #B8BDC7;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-icon: 16px;
            --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
            --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
            --sidebar-width: 270px;
            --header-height: 64px;
            --bottom-bar-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        body.sidebar-open {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 72px 0;
        }

        .section--alt {
            background-color: #FFFFFF;
        }

        .section--dark {
            background-color: var(--color-dark);
            color: #FFFFFF;
        }

        .section--dark .section-title {
            color: #FFFFFF;
        }

        .section--dark .section-subtitle {
            color: var(--color-text-light);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.75;
        }

        .section-header--center {
            text-align: center;
        }

        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            line-height: 1.5;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: #FFFFFF;
            box-shadow: var(--shadow-cta);
        }

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 92, 59, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(255, 92, 59, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-primary);
            border: 1.5px solid var(--color-border);
        }

        .btn-secondary:hover {
            background-color: #F0EDE8;
            border-color: #D5CFC6;
            color: var(--color-text-primary);
        }

        .btn-ghost {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
        }

        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.55);
            color: #FFFFFF;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 15px 32px;
            font-size: 15px;
        }

        /* ========== TOP HEADER ========== */
        .top-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background-color: var(--color-dark);
            color: #FFFFFF;
            z-index: 100;
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-nav);
        }

        .top-header__inner {
            display: flex;
            align-items: center;
            width: 100%;
            max-width: 100%;
            padding: 0 20px;
            gap: 16px;
        }

        .hamburger-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition-fast);
            flex-shrink: 0;
        }

        .hamburger-btn:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: #FFFFFF;
            flex-shrink: 0;
            letter-spacing: -0.01em;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .top-header__search {
            flex: 1;
            max-width: 420px;
            margin-left: 24px;
            position: relative;
        }

        .top-header__search input {
            width: 100%;
            height: 40px;
            padding: 0 16px 0 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            color: #FFFFFF;
            font-size: 13px;
            transition: all var(--transition-fast);
        }

        .top-header__search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .top-header__search input:focus {
            background-color: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.3);
            outline: none;
        }

        .top-header__search .fa-magnifying-glass {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            pointer-events: none;
        }

        .top-header__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .version-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-gold);
            background-color: rgba(242, 184, 75, 0.12);
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.03em;
        }

        .lang-switch {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-light);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: all var(--transition-fast);
        }

        .lang-switch:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: fixed;
            top: var(--header-height);
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-dark-2);
            z-index: 90;
            overflow-y: auto;
            padding: 24px 16px 32px;
            transition: transform var(--transition-slow);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }

        .sidebar__label {
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-text-light);
            padding: 0 12px;
            margin-bottom: 12px;
        }

        .sidebar__group {
            margin-bottom: 28px;
        }

        .sidebar__item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 12px;
            border-radius: 8px;
            font-size: 13px;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .sidebar__item:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
        }

        .sidebar__item.active {
            background-color: rgba(255, 92, 59, 0.12);
            border-left-color: var(--color-accent);
            color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar__item .fa-solid {
            font-size: 13px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .sidebar__divider {
            height: 1px;
            background-color: rgba(255, 255, 255, 0.08);
            margin: 20px 0;
        }

        /* ========== MAIN CONTENT ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            padding-top: var(--header-height);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background-color: var(--color-dark);
            background-image: url('/assets/images/6a8ce4d8b266239c.webp');
            background-size: cover;
            background-position: center center;
            min-height: 540px;
            display: flex;
            align-items: center;
            color: #FFFFFF;
            overflow: hidden;
            padding: 80px 0 60px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(23, 26, 33, 0.93) 30%, rgba(23, 26, 33, 0.72) 65%, rgba(23, 26, 33, 0.5) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero__content h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .hero__content h1 .highlight {
            color: var(--color-accent);
        }

        .hero__content p {
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-light);
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero__metrics {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-metric {
            display: flex;
            flex-direction: column;
        }

        .hero-metric__value {
            font-family: var(--font-numeric);
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .hero-metric__label {
            font-size: 12px;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
        }

        .hero__visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero__visual img {
            max-width: 100%;
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        /* ========== TRUST BAR ========== */
        .trust-bar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
            overflow: hidden;
        }

        .trust-bar__track {
            display: flex;
            align-items: center;
            gap: 48px;
            animation: trust-scroll 30s linear infinite;
            white-space: nowrap;
            min-width: max-content;
        }

        .trust-bar__item {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .trust-bar__item i {
            font-size: 14px;
            color: var(--color-success);
        }

        @keyframes trust-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .feature-card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-icon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
            margin-bottom: 16px;
        }

        .feature-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-card__desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== SCENARIOS ========== */
        .scenario-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 48px;
        }

        .scenario-row:last-child {
            margin-bottom: 0;
        }

        .scenario-row--reverse .scenario-row__image {
            order: 2;
        }

        .scenario-row--reverse .scenario-row__text {
            order: 1;
        }

        .scenario-row__image img {
            width: 100%;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }

        .scenario-row__text h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .scenario-row__text p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ========== SOCIAL PROOF ========== */
        .social-proof__stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 40px;
        }

        .stat-card {
            background-color: var(--color-dark-2);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .stat-card__value {
            font-family: var(--font-numeric);
            font-size: 30px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }

        .stat-card__label {
            font-size: 12px;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
        }

        .testimonial-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
        }

        .testimonial-card__quote {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-card__author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card__avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-card__name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-primary);
        }

        .testimonial-card__role {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== COMPARISON ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .comparison-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }

        .comparison-card--highlighted {
            border-color: var(--color-accent);
            box-shadow: 0 8px 32px rgba(255, 92, 59, 0.12);
            position: relative;
        }

        .comparison-card--highlighted::before {
            content: '推荐选择';
            position: absolute;
            top: -12px;
            left: 20px;
            background-color: var(--color-accent);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
        }

        .comparison-card__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-list {
            list-style: none;
            padding: 0;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.6;
            border-bottom: 1px solid rgba(232, 228, 222, 0.5);
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-list li .fa-circle-check {
            color: var(--color-success);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .comparison-list li .fa-circle-xmark {
            color: #CCD0D5;
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* ========== NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-card {
            display: flex;
            gap: 16px;
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-card__image {
            width: 100px;
            height: 80px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-card__body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card__date {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }

        .news-card__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .news-card__excerpt {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card__link {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
            transition: color var(--transition-fast);
        }

        .news-card__link:hover {
            color: var(--color-accent-hover);
        }

        /* ========== OBJECTIONS ========== */
        .objections-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .objection-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 20px 22px;
            border-left: 3px solid var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .objection-card__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }

        .objection-card__text {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        /* ========== GUARANTEE ========== */
        .guarantee-bar {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            box-shadow: var(--shadow-card);
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .guarantee-item__icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: rgba(38, 166, 154, 0.1);
            color: var(--color-success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .guarantee-item__title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 2px;
        }

        .guarantee-item__desc {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background-color: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 92, 59, 0.06) 0%, rgba(255, 92, 59, 0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .brand-intro h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
        }

        .brand-intro p {
            font-size: 15px;
            color: var(--color-text-body);
            line-height: 1.8;
            margin-bottom: 12px;
            max-width: 860px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        /* ========== BEGINNERS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-base);
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .step-card__number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-accent);
            color: #FFFFFF;
            font-family: var(--font-numeric);
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }

        .step-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .step-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        /* ========== PARTNERS ========== */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .partner-item {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 20px 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 80px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            text-align: center;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }

        .partner-item:hover {
            border-color: #D5CFC6;
            color: var(--color-text-body);
            box-shadow: var(--shadow-card-hover);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .faq-item summary {
            list-style: none;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background-color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background-color: rgba(246, 245, 242, 0.7);
        }

        .faq-item summary .fa-chevron-down {
            font-size: 12px;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item[open] summary .fa-chevron-down {
            transform: rotate(180deg);
        }

        .faq-item__answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.75;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background-color: var(--color-dark);
            background-image: url('/assets/images/39d2c579848514a3.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(23, 26, 33, 0.88) 0%, rgba(23, 26, 33, 0.8) 100%);
            z-index: 1;
        }

        .cta-banner .container {
            position: relative;
            z-index: 2;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--color-text-light);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .cta-banner__form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
        }

        .cta-banner__form input {
            flex: 1;
            height: 46px;
            padding: 0 16px;
            background-color: #FFFFFF;
            border: 2px solid transparent;
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--color-text-primary);
            transition: border-color var(--transition-fast);
        }

        .cta-banner__form input:focus {
            border-color: var(--color-accent);
            outline: none;
        }

        /* ========== BOTTOM FIXED BAR ========== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: var(--sidebar-width);
            right: 0;
            min-height: var(--bottom-bar-height);
            background-color: rgba(23, 26, 33, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            z-index: 80;
            padding: 10px 20px;
            gap: 16px;
            transition: all var(--transition-base);
        }

        .bottom-fixed-bar__text {
            font-size: 13px;
            color: var(--color-text-light);
            flex-shrink: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .bottom-fixed-bar__anchors {
            display: flex;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .bottom-fixed-bar__anchors::-webkit-scrollbar {
            display: none;
        }

        .bottom-fixed-bar__anchor {
            font-size: 12px;
            color: var(--color-text-light);
            padding: 6px 12px;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.15);
            flex-shrink: 0;
        }

        .bottom-fixed-bar__anchor:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }

        .bottom-fixed-bar .btn {
            flex-shrink: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-dark);
            color: #FFFFFF;
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .site-footer__brand p {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }

        .site-footer__col h4 {
            font-size: 13px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .site-footer__col ul {
            list-style: none;
            padding: 0;
        }

        .site-footer__col ul li {
            margin-bottom: 8px;
        }

        .site-footer__col ul li a {
            font-size: 13px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .site-footer__col ul li a:hover {
            color: #FFFFFF;
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .site-footer__bottom p {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .site-footer__bottom a {
            font-size: 12px;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .site-footer__bottom a:hover {
            color: #FFFFFF;
        }

        /* ========== SIDEBAR OVERLAY (mobile) ========== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 85;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .sidebar-overlay.visible {
            opacity: 1;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1023px) {
            .hamburger-btn {
                display: flex;
            }

            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
                width: 280px;
            }

            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
            }

            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }

            .sidebar-overlay.visible {
                pointer-events: auto;
            }

            .main-wrapper {
                margin-left: 0;
            }

            .bottom-fixed-bar {
                left: 0;
            }

            .hero__grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero__visual {
                order: -1;
            }

            .hero__visual img {
                max-width: 100%;
                max-height: 280px;
                object-fit: cover;
                width: 100%;
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .social-proof__stats {
                grid-template-columns: repeat(2, 1fr);
            }

            .testimonial-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .partners-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 12px;
            }

            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .objections-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .scenario-row {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 32px;
            }

            .scenario-row--reverse .scenario-row__image {
                order: 1;
            }

            .scenario-row--reverse .scenario-row__text {
                order: 2;
            }

            .section {
                padding: 56px 0;
            }

            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .top-header__search {
                max-width: 260px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --header-height: 56px;
                --bottom-bar-height: 60px;
            }

            .top-header__inner {
                padding: 0 12px;
                gap: 8px;
                flex-wrap: wrap;
                height: auto;
                min-height: var(--header-height);
                align-items: center;
            }

            .logo {
                font-size: 16px;
                gap: 6px;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
                border-radius: 6px;
            }

            .top-header__meta {
                gap: 4px;
            }

            .version-tag {
                font-size: 10px;
                padding: 3px 7px;
            }

            .lang-switch {
                font-size: 11px;
                padding: 4px 6px;
            }

            .top-header__search {
                display: none;
                position: absolute;
                top: calc(var(--header-height) + 8px);
                left: 12px;
                right: 12px;
                margin-left: 0;
                max-width: none;
                z-index: 110;
            }

            .top-header__search.visible {
                display: block;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .section-header {
                margin-bottom: 28px;
            }

            .hero {
                min-height: auto;
                padding: 48px 0 40px;
            }

            .hero__content h1 {
                font-size: 28px;
            }

            .hero__content p {
                font-size: 14px;
            }

            .hero__actions {
                gap: 8px;
            }

            .hero__metrics {
                gap: 16px;
            }

            .hero-metric__value {
                font-size: 22px;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .feature-card {
                padding: 20px 18px;
            }

            .social-proof__stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 16px 12px;
            }

            .stat-card__value {
                font-size: 24px;
            }

            .testimonial-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .steps-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }

            .partner-item {
                padding: 14px 8px;
                font-size: 11px;
                min-height: 56px;
                border-radius: 8px;
            }

            .guarantee-bar {
                grid-template-columns: 1fr;
                padding: 18px 16px;
                gap: 14px;
            }

            .comparison-card {
                padding: 20px 16px;
            }

            .news-card {
                flex-direction: column;
                padding: 14px;
            }

            .news-card__image {
                width: 100%;
                height: 140px;
                border-radius: 8px;
            }

            .cta-banner {
                padding: 36px 20px;
                border-radius: 10px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .cta-banner__form {
                flex-direction: column;
                gap: 8px;
            }

            .bottom-fixed-bar {
                padding: 8px 12px;
                gap: 8px;
                min-height: var(--bottom-bar-height);
            }

            .bottom-fixed-bar__text {
                display: none;
            }

            .bottom-fixed-bar__anchor {
                font-size: 11px;
                padding: 5px 9px;
            }

            .bottom-fixed-bar .btn {
                padding: 8px 14px;
                font-size: 12px;
            }

            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer {
                padding: 36px 0 24px;
            }

            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .brand-intro {
                padding: 24px 18px;
            }

            .brand-intro h3 {
                font-size: 18px;
            }

            .brand-intro p {
                font-size: 14px;
            }

            .faq-item summary {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-item__answer {
                padding: 0 16px 14px;
                font-size: 13px;
            }

            .scenario-row__text h3 {
                font-size: 17px;
            }

            .step-card {
                padding: 18px 14px;
            }

            .step-card__title {
                font-size: 14px;
            }

            .trust-bar__track {
                gap: 28px;
            }

            .trust-bar__item {
                font-size: 11px;
            }
        }

        @media (max-width: 520px) {
            .hero__content h1 {
                font-size: 24px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }

            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }

            .hero__visual img {
                max-height: 220px;
            }

            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .social-proof__stats {
                grid-template-columns: 1fr;
            }

            .comparison-card--highlighted::before {
                font-size: 10px;
                padding: 3px 8px;
                top: -10px;
                left: 12px;
            }
        }

/* roulang page: category2 */
:root {
        --color-dark: #171A21;
        --color-dark-2: #1F232D;
        --color-dark-3: #262B37;
        --color-accent: #FF5C3B;
        --color-accent-hover: #E84A2B;
        --color-gold: #F2B84B;
        --color-success: #26A69A;
        --color-bg: #F6F5F2;
        --color-card: #FFFFFF;
        --color-border: #E8E4DE;
        --color-text-primary: #171A21;
        --color-text-body: #3A3F4D;
        --color-text-muted: #7A7F88;
        --color-text-light: #B8BDC7;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-badge: 4px;
        --radius-icon: 16px;
        --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
        --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
        --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
        --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
        --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
        --sidebar-width: 270px;
        --header-height: 56px;
        --bottom-bar-height: 60px;
        --transition-fast: 0.2s ease;
        --transition-base: 0.3s ease;
        --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-sans);
        font-size: 15px;
        line-height: 1.75;
        color: var(--color-text-body);
        background-color: var(--color-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

    body.sidebar-open {
        overflow: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: none;
    }

    input {
        font-family: inherit;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .section {
        padding: 64px 0;
    }

    .section--alt {
        background-color: #FFFFFF;
    }

    .section--dark {
        background-color: var(--color-dark);
        color: #FFFFFF;
    }

    .section--dark .section-title {
        color: #FFFFFF;
    }

    .section--dark .section-subtitle {
        color: var(--color-text-light);
    }

    .section-header {
        margin-bottom: 36px;
    }

    .section-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--color-accent);
        background-color: rgba(255, 92, 59, 0.08);
        padding: 4px 12px;
        border-radius: var(--radius-badge);
        margin-bottom: 12px;
    }

    .section-title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--color-text-primary);
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }

    .section-subtitle {
        font-size: 15px;
        color: var(--color-text-muted);
        max-width: 680px;
        line-height: 1.75;
    }

    .section-header--center {
        text-align: center;
    }

    .section-header--center .section-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 600;
        padding: 12px 24px;
        border-radius: var(--radius-btn);
        transition: all var(--transition-base);
        line-height: 1.5;
        white-space: nowrap;
    }

    .btn-primary {
        background-color: var(--color-accent);
        color: #FFFFFF;
        box-shadow: var(--shadow-cta);
    }

    .btn-primary:hover {
        background-color: var(--color-accent-hover);
        color: #FFFFFF;
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(255, 92, 59, 0.35);
    }

    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 0 2px 8px rgba(255, 92, 59, 0.25);
    }

    .btn-secondary {
        background-color: transparent;
        color: var(--color-text-primary);
        border: 1.5px solid var(--color-border);
    }

    .btn-secondary:hover {
        background-color: #F0EDE8;
        border-color: #D5CFC6;
        color: var(--color-text-primary);
    }

    .btn-ghost {
        background-color: transparent;
        color: #FFFFFF;
        border: 1.5px solid rgba(255, 255, 255, 0.35);
    }

    .btn-ghost:hover {
        background-color: rgba(255, 255, 255, 0.12);
        color: #FFFFFF;
    }

    .btn-sm {
        padding: 8px 16px;
        font-size: 13px;
    }

    /* Top Bar */
    .top-bar {
        background-color: var(--color-dark);
        height: var(--header-height);
        display: flex;
        align-items: center;
        padding: 0 24px;
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: var(--shadow-nav);
    }

    .top-bar__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
    }

    .top-bar__left {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .top-bar__hamburger {
        display: none;
        color: #FFFFFF;
        font-size: 20px;
        padding: 8px;
        border-radius: var(--radius-btn);
        transition: background var(--transition-fast);
    }

    .top-bar__hamburger:hover {
        background: rgba(255, 255, 255, 0.08);
    }

    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: #FFFFFF;
        font-weight: 700;
        font-size: 18px;
        letter-spacing: 0.02em;
        transition: color var(--transition-fast);
    }

    .logo:hover {
        color: var(--color-accent);
    }

    .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        background: var(--color-accent);
        border-radius: 6px;
        font-size: 14px;
        color: #FFFFFF;
    }

    .top-bar__search {
        display: flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.07);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: var(--radius-btn);
        padding: 6px 12px;
        min-width: 260px;
        transition: border-color var(--transition-fast), background var(--transition-fast);
    }

    .top-bar__search:focus-within {
        border-color: var(--color-accent);
        background: rgba(255, 255, 255, 0.1);
    }

    .top-bar__search i {
        color: var(--color-text-light);
        font-size: 13px;
    }

    .top-bar__search input {
        background: transparent;
        border: none;
        outline: none;
        color: #FFFFFF;
        font-size: 13px;
        width: 100%;
    }

    .top-bar__search input::placeholder {
        color: var(--color-text-light);
    }

    .top-bar__right {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .top-bar__version {
        font-size: 12px;
        color: var(--color-text-light);
        border: 1px solid rgba(255, 255, 255, 0.18);
        padding: 4px 10px;
        border-radius: var(--radius-badge);
        letter-spacing: 0.04em;
    }

    .top-bar__lang {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--color-text-light);
        cursor: pointer;
        transition: color var(--transition-fast);
    }

    .top-bar__lang:hover {
        color: #FFFFFF;
    }

    .top-bar__lang i {
        font-size: 12px;
    }

    /* Sidebar */
    .sidebar {
        background-color: var(--color-dark-2);
        width: var(--sidebar-width);
        min-height: calc(100vh - var(--header-height));
        position: sticky;
        top: var(--header-height);
        padding: 24px 16px;
        color: #FFFFFF;
        overflow-y: auto;
        z-index: 90;
        transition: left var(--transition-slow), opacity var(--transition-slow);
    }

    .sidebar__nav-title {
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--color-text-light);
        margin-bottom: 12px;
        padding-left: 8px;
    }

    .sidebar__menu {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .sidebar__menu li {
        margin-bottom: 2px;
    }

    .sidebar__menu a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 9px 12px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        color: var(--color-text-light);
        transition: all var(--transition-fast);
        border-left: 3px solid transparent;
    }

    .sidebar__menu a:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #FFFFFF;
    }

    .sidebar__menu a.active {
        background: rgba(255, 92, 59, 0.12);
        color: #FFFFFF;
        border-left: 3px solid var(--color-accent);
        font-weight: 600;
    }

    .sidebar__menu a i {
        font-size: 14px;
        width: 16px;
        text-align: center;
    }

    .sidebar__divider {
        height: 1px;
        background: rgba(255, 255, 255, 0.08);
        margin: 16px 0;
    }

    .sidebar__cat-title {
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--color-text-light);
        margin-bottom: 8px;
        padding-left: 8px;
    }

    .sidebar__cat-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .sidebar__cat-list li a {
        display: block;
        padding: 7px 12px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        color: var(--color-text-light);
        transition: all var(--transition-fast);
    }

    .sidebar__cat-list li a:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #FFFFFF;
    }

    .sidebar__cat-list li a.active {
        background: rgba(255, 92, 59, 0.12);
        color: #FFFFFF;
        font-weight: 600;
    }

    /* Main layout */
    .layout-wrap {
        display: flex;
        align-items: flex-start;
        max-width: 1300px;
        margin: 0 auto;
    }

    .main-content {
        flex: 1;
        min-width: 0;
        padding: 32px 32px 48px;
    }

    .sidebar-drawer-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 85;
    }

    .sidebar-drawer-backdrop.show {
        display: block;
    }

    /* Breadcrumb */
    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-muted);
        margin-bottom: 16px;
    }

    .breadcrumb a {
        color: var(--color-text-muted);
        transition: color var(--transition-fast);
    }

    .breadcrumb a:hover {
        color: var(--color-accent);
    }

    .breadcrumb i {
        font-size: 10px;
        opacity: 0.5;
    }

    .breadcrumb .current {
        color: var(--color-text-primary);
        font-weight: 600;
    }

    /* Category header */
    .category-hero {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 32px;
        margin-bottom: 24px;
        box-shadow: var(--shadow-card);
    }

    .category-hero__title {
        font-size: 30px;
        font-weight: 700;
        color: var(--color-text-primary);
        line-height: 1.3;
        margin-bottom: 8px;
    }

    .category-hero__divider {
        display: inline-block;
        width: 40px;
        height: 3px;
        background: var(--color-accent);
        border-radius: 2px;
        margin-bottom: 12px;
    }

    .category-hero__desc {
        font-size: 15px;
        color: var(--color-text-body);
        max-width: 720px;
        line-height: 1.8;
    }

    /* Filter toolbar */
    .filter-toolbar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 16px 20px;
        margin-bottom: 24px;
        box-shadow: var(--shadow-card);
    }

    .filter-toolbar__group {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
    }

    .filter-toolbar__label {
        font-size: 13px;
        color: var(--color-text-muted);
        margin-right: 4px;
    }

    .filter-toolbar__chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        padding: 6px 14px;
        border-radius: 20px;
        background: var(--color-bg);
        color: var(--color-text-body);
        border: 1px solid var(--color-border);
        transition: all var(--transition-fast);
        cursor: pointer;
    }

    .filter-toolbar__chip:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }

    .filter-toolbar__chip.active {
        background: var(--color-accent);
        color: #FFFFFF;
        border-color: var(--color-accent);
    }

    .filter-toolbar__sort {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
    }

    .filter-toolbar__sort select {
        padding: 6px 12px;
        border-radius: var(--radius-btn);
        border: 1px solid var(--color-border);
        background: var(--color-bg);
        font-size: 13px;
        color: var(--color-text-body);
        outline: none;
        cursor: pointer;
    }

    /* Articles list */
    .articles-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .article-item {
        display: flex;
        gap: 16px;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 16px;
        box-shadow: var(--shadow-card);
        transition: all var(--transition-base);
    }

    .article-item:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
    }

    .article-item__thumb {
        flex: 0 0 120px;
        width: 120px;
        height: 90px;
        border-radius: 8px;
        overflow: hidden;
        background: var(--color-bg);
    }

    .article-item__thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .article-item__body {
        flex: 1;
        min-width: 0;
    }

    .article-item__meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 6px;
        font-size: 12px;
        color: var(--color-text-muted);
    }

    .article-item__badge {
        background: rgba(255, 92, 59, 0.08);
        color: var(--color-accent);
        font-weight: 600;
        padding: 2px 8px;
        border-radius: var(--radius-badge);
        font-size: 12px;
    }

    .article-item__title {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-text-primary);
        line-height: 1.4;
        margin-bottom: 6px;
    }

    .article-item__excerpt {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.6;
        margin-bottom: 8px;
    }

    .article-item__link {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-accent);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: gap var(--transition-fast);
    }

    .article-item__link:hover {
        gap: 10px;
        color: var(--color-accent-hover);
    }

    /* Featured */
    .featured-card {
        background: var(--color-dark);
        border-radius: var(--radius-card);
        padding: 28px;
        display: flex;
        gap: 24px;
        align-items: center;
        box-shadow: var(--shadow-card-hover);
        margin-bottom: 24px;
    }

    .featured-card__img {
        flex: 0 0 220px;
        width: 220px;
        height: 160px;
        border-radius: 8px;
        overflow: hidden;
    }

    .featured-card__img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .featured-card__badge {
        display: inline-block;
        background: var(--color-gold);
        color: var(--color-dark);
        font-size: 12px;
        font-weight: 700;
        padding: 4px 10px;
        border-radius: var(--radius-badge);
        margin-bottom: 10px;
    }

    .featured-card__title {
        font-size: 20px;
        font-weight: 700;
        color: #FFFFFF;
        line-height: 1.35;
        margin-bottom: 8px;
    }

    .featured-card__desc {
        font-size: 14px;
        color: var(--color-text-light);
        line-height: 1.7;
        margin-bottom: 14px;
    }

    /* Guide knowledge panel */
    .knowledge-panel {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 24px;
        margin-bottom: 24px;
        box-shadow: var(--shadow-card);
    }

    .knowledge-panel__list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: grid;
        gap: 12px;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .knowledge-panel__item {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        padding: 14px;
        background: var(--color-bg);
        border-radius: 8px;
        font-size: 13px;
        color: var(--color-text-body);
    }

    .knowledge-panel__item i {
        color: var(--color-success);
        font-size: 16px;
        margin-top: 2px;
    }

    /* FAQ */
    .faq-section details {
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-left: 3px solid var(--color-accent);
        border-radius: 10px;
        margin-bottom: 12px;
        padding: 16px 20px;
        transition: background var(--transition-fast);
    }

    .faq-section details:hover {
        background: #FFFFFF;
    }

    .faq-section summary {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-primary);
        cursor: pointer;
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .faq-section summary::-webkit-details-marker {
        display: none;
    }

    .faq-section summary::after {
        content: "\f078";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        font-size: 13px;
        color: var(--color-accent);
        transition: transform var(--transition-fast);
    }

    .faq-section details[open] summary::after {
        transform: rotate(180deg);
    }

    .faq-section .faq-answer {
        font-size: 14px;
        color: var(--color-text-body);
        line-height: 1.75;
        margin-top: 10px;
    }

    /* Related entry */
    .related-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 12px;
    }

    .related-entry {
        display: flex;
        align-items: center;
        gap: 10px;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 14px 16px;
        font-size: 14px;
        color: var(--color-text-body);
        transition: all var(--transition-base);
        box-shadow: var(--shadow-card);
    }

    .related-entry:hover {
        border-color: var(--color-accent);
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
        color: var(--color-accent);
    }

    .related-entry i {
        font-size: 16px;
        color: var(--color-accent);
    }

    /* Pagination */
    .pagination-wrap {
        display: flex;
        justify-content: center;
        margin-top: 24px;
    }

    .pagination {
        display: flex;
        gap: 6px;
        align-items: center;
    }

    .pagination a,
    .pagination span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 36px;
        height: 36px;
        padding: 0 8px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        color: var(--color-text-body);
        border: 1px solid var(--color-border);
        background: var(--color-card);
        transition: all var(--transition-fast);
    }

    .pagination a:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }

    .pagination .current {
        background: var(--color-accent);
        color: #FFFFFF;
        border-color: var(--color-accent);
    }

    /* Footer */
    .site-footer {
        background-color: var(--color-dark);
        color: var(--color-text-light);
        padding: 48px 0 24px;
        margin-top: 32px;
    }

    .site-footer__grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .site-footer__brand .logo {
        color: #FFFFFF;
        margin-bottom: 12px;
        display: inline-flex;
    }

    .site-footer__brand p {
        font-size: 13px;
        line-height: 1.7;
        color: var(--color-text-light);
        margin-bottom: 0;
    }

    .site-footer__col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 12px;
    }

    .site-footer__col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .site-footer__col ul li {
        margin-bottom: 8px;
    }

    .site-footer__col ul li a {
        font-size: 13px;
        color: var(--color-text-light);
        transition: color var(--transition-fast);
    }

    .site-footer__col ul li a:hover {
        color: var(--color-accent);
    }

    .site-footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 16px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 8px;
        font-size: 12px;
        color: var(--color-text-light);
    }

    .site-footer__bottom a {
        color: var(--color-text-light);
        transition: color var(--transition-fast);
    }

    .site-footer__bottom a:hover {
        color: var(--color-accent);
    }

    /* Mobile drawer */
    @media (max-width: 1023px) {
        .sidebar {
            position: fixed;
            left: -290px;
            top: var(--header-height);
            height: calc(100vh - var(--header-height));
            opacity: 0;
            pointer-events: none;
            box-shadow: 4px 0 20px rgba(0,0,0,0.3);
        }

        .sidebar.open {
            left: 0;
            opacity: 1;
            pointer-events: auto;
        }

        .top-bar__hamburger {
            display: inline-flex;
        }

        .top-bar__search {
            min-width: 180px;
        }

        .main-content {
            padding: 24px 20px 32px;
        }
    }

    @media (max-width: 767px) {
        :root {
            --header-height: 52px;
        }

        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

        .top-bar {
            padding: 0 16px;
        }

        .top-bar__search {
            display: none;
        }

        .top-bar__right .top-bar__lang span {
            display: none;
        }

        .main-content {
            padding: 16px 12px 24px;
        }

        .section {
            padding: 48px 0;
        }

        .category-hero {
            padding: 24px 20px;
        }

        .category-hero__title {
            font-size: 24px;
        }

        .filter-toolbar {
            padding: 12px 16px;
            flex-direction: column;
            align-items: stretch;
        }

        .filter-toolbar__group {
            justify-content: flex-start;
        }

        .article-item {
            flex-direction: column;
        }

        .article-item__thumb {
            flex: 0 0 auto;
            width: 100%;
            height: 140px;
        }

        .featured-card {
            flex-direction: column;
            padding: 20px;
        }

        .featured-card__img {
            flex: 0 0 auto;
            width: 100%;
            height: 180px;
        }

        .site-footer__grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .knowledge-panel__list {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 520px) {
        .site-footer__grid {
            grid-template-columns: 1fr;
        }

        .site-footer__bottom {
            flex-direction: column;
            text-align: center;
        }
    }

/* roulang page: category1 */
:root {
        --color-dark: #171A21;
        --color-dark-2: #1F232D;
        --color-dark-3: #262B37;
        --color-accent: #FF5C3B;
        --color-accent-hover: #E84A2B;
        --color-gold: #F2B84B;
        --color-success: #26A69A;
        --color-bg: #F6F5F2;
        --color-card: #FFFFFF;
        --color-border: #E8E4DE;
        --color-text-primary: #171A21;
        --color-text-body: #3A3F4D;
        --color-text-muted: #7A7F88;
        --color-text-light: #B8BDC7;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-badge: 4px;
        --radius-icon: 16px;
        --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
        --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
        --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
        --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
        --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
        --sidebar-width: 270px;
        --header-height: 64px;
        --transition-fast: 0.2s ease;
        --transition-base: 0.3s ease;
        --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-sans);
        font-size: 15px;
        line-height: 1.75;
        color: var(--color-text-body);
        background-color: var(--color-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        padding-top: var(--header-height);
    }

    body.sidebar-open {
        overflow: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    a:hover {
        color: var(--color-accent);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: none;
    }
    input {
        font-family: inherit;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* ===== 顶部导航 ====*/
    .top-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        height: var(--header-height);
        background-color: var(--color-dark);
        color: #fff;
        display: flex;
        align-items: center;
        box-shadow: var(--shadow-nav);
    }
    .top-header .container {
        display: flex;
        align-items: center;
        width: 100%;
        gap: 16px;
    }
    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 17px;
        color: #fff;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .logo:hover {
        color: #fff;
    }
    .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        background-color: var(--color-accent);
        border-radius: 8px;
        font-size: 16px;
        color: #fff;
    }
    .header-search {
        flex: 1;
        max-width: 420px;
        display: flex;
        align-items: center;
        gap: 8px;
        background-color: rgba(255,255,255,0.1);
        border: 1px solid rgba(255,255,255,0.14);
        border-radius: 8px;
        padding: 8px 14px;
        transition: border-color var(--transition-fast), background-color var(--transition-fast);
    }
    .header-search:focus-within {
        border-color: var(--color-accent);
        background-color: rgba(255,255,255,0.14);
    }
    .header-search i {
        color: var(--color-text-light);
        font-size: 14px;
    }
    .header-search input {
        background: none;
        border: none;
        color: #fff;
        font-size: 14px;
        width: 100%;
        outline: none;
    }
    .header-search input::placeholder {
        color: var(--color-text-light);
    }
    .header-tools {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-left: auto;
        flex-shrink: 0;
    }
    .version-tag {
        font-size: 12px;
        font-weight: 600;
        background-color: rgba(255,255,255,0.1);
        border: 1px solid rgba(255,255,255,0.14);
        border-radius: 4px;
        padding: 4px 10px;
        color: var(--color-gold);
        white-space: nowrap;
    }
    .lang-switch {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--color-text-light);
        padding: 6px 10px;
        border-radius: 6px;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .lang-switch:hover {
        background-color: rgba(255,255,255,0.08);
        color: #fff;
    }
    .burger-btn {
        display: none;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
        border-radius: 8px;
        transition: background-color var(--transition-fast);
    }
    .burger-btn:hover {
        background-color: rgba(255,255,255,0.1);
    }

    /* ===== 主体布局（帮助文档风格） ====*/
    .doc-layout {
        display: flex;
        min-height: calc(100vh - var(--header-height));
    }

    /* 左侧侧栏 */
    .doc-sidebar {
        width: var(--sidebar-width);
        flex-shrink: 0;
        background-color: var(--color-dark);
        color: #fff;
        position: sticky;
        top: var(--header-height);
        height: calc(100vh - var(--header-height));
        overflow-y: auto;
        padding: 24px 12px 32px;
        transition: transform var(--transition-slow), opacity var(--transition-base);
        z-index: 90;
    }
    .doc-sidebar__section {
        margin-bottom: 24px;
    }
    .doc-sidebar__label {
        font-size: 11px;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--color-text-light);
        padding: 0 12px 8px;
        margin-bottom: 4px;
    }
    .doc-sidebar__nav {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .doc-sidebar__nav a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-radius: 6px;
        font-size: 14px;
        color: var(--color-text-light);
        transition: all var(--transition-fast);
        border-left: 3px solid transparent;
        position: relative;
    }
    .doc-sidebar__nav a:hover {
        background-color: rgba(255,255,255,0.08);
        color: #fff;
    }
    .doc-sidebar__nav a.active {
        background-color: rgba(255,92,59,0.12);
        color: #fff;
        border-left-color: var(--color-accent);
    }
    .doc-sidebar__nav a i {
        font-size: 14px;
        width: 18px;
        text-align: center;
        color: var(--color-gold);
        flex-shrink: 0;
    }
    .doc-sidebar__nav a.active i {
        color: var(--color-accent);
    }
    .doc-sidebar__divider {
        height: 1px;
        background-color: rgba(255,255,255,0.08);
        margin: 16px 12px;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background-color: rgba(0,0,0,0.5);
        z-index: 85;
        opacity: 0;
        transition: opacity var(--transition-base);
    }
    .sidebar-overlay.visible {
        opacity: 1;
    }

    /* 右侧内容区 */
    .doc-content {
        flex: 1;
        min-width: 0;
        padding: 0;
    }

    /* ===== 面包屑 ====*/
    .breadcrumb-bar {
        background-color: #FFFFFF;
        border-bottom: 1px solid var(--color-border);
        padding: 16px 0;
    }
    .breadcrumb {
        list-style: none;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-muted);
    }
    .breadcrumb li {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .breadcrumb li:not(:last-child)::after {
        content: "/";
        color: var(--color-text-light);
        font-size: 12px;
    }
    .breadcrumb a {
        color: var(--color-text-muted);
        transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
        color: var(--color-accent);
    }
    .breadcrumb .current {
        color: var(--color-text-primary);
        font-weight: 600;
    }

    /* ===== 板块通用 ====*/
    .section {
        padding: 56px 0;
    }
    .section--alt {
        background-color: #FFFFFF;
    }
    .section--dark {
        background-color: var(--color-dark);
        color: #FFFFFF;
    }
    .section-header {
        margin-bottom: 32px;
    }
    .section-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--color-accent);
        background-color: rgba(255, 92, 59, 0.08);
        padding: 4px 12px;
        border-radius: var(--radius-badge);
        margin-bottom: 12px;
    }
    .section-title {
        font-size: 26px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--color-text-primary);
        margin-bottom: 10px;
        letter-spacing: -0.01em;
    }
    .section-subtitle {
        font-size: 15px;
        color: var(--color-text-muted);
        max-width: 680px;
        line-height: 1.75;
    }
    .section-header--center {
        text-align: center;
    }
    .section-header--center .section-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    /* ===== 按钮 ====*/
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 600;
        padding: 10px 22px;
        border-radius: var(--radius-btn);
        transition: all var(--transition-base);
        line-height: 1.5;
        white-space: nowrap;
        cursor: pointer;
    }
    .btn-primary {
        background-color: var(--color-accent);
        color: #FFFFFF;
        box-shadow: var(--shadow-cta);
    }
    .btn-primary:hover {
        background-color: var(--color-accent-hover);
        color: #FFFFFF;
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(255, 92, 59, 0.35);
    }
    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 0 2px 8px rgba(255, 92, 59, 0.25);
    }
    .btn-secondary {
        background-color: transparent;
        color: var(--color-text-primary);
        border: 1.5px solid var(--color-border);
    }
    .btn-secondary:hover {
        background-color: #F0EDE8;
        border-color: #D5CFC6;
        color: var(--color-text-primary);
    }
    .btn-ghost {
        background-color: transparent;
        color: #FFFFFF;
        border: 1.5px solid rgba(255,255,255,0.35);
    }
    .btn-ghost:hover {
        background-color: rgba(255,255,255,0.12);
        border-color: rgba(255,255,255,0.5);
        color: #fff;
    }
    .btn-sm {
        padding: 7px 16px;
        font-size: 13px;
    }

    /* ===== 分类标题区 ====*/
    .category-head {
        background-color: var(--color-dark);
        color: #fff;
        padding: 48px 0 40px;
        position: relative;
        overflow: hidden;
    }
    .category-head::before {
        content: "";
        position: absolute;
        top: 0;
        right: 0;
        width: 50%;
        height: 100%;
        background: linear-gradient(135deg, rgba(255,92,59,0.1) 0%, rgba(23,26,33,0) 50%);
        pointer-events: none;
    }
    .category-head .container {
        position: relative;
        z-index: 1;
    }
    .category-head h1 {
        font-size: 32px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
        line-height: 1.25;
        letter-spacing: -0.01em;
    }
    .category-head h1 .accent {
        color: var(--color-accent);
    }
    .category-head p {
        font-size: 15px;
        max-width: 700px;
        color: var(--color-text-light);
        line-height: 1.75;
    }

    /* ===== 筛选工具条 ====*/
    .filter-bar {
        background-color: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 16px 20px;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        box-shadow: var(--shadow-card);
        margin-top: -28px;
        position: relative;
        z-index: 10;
    }
    .filter-bar__label {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
        margin-right: 4px;
    }
    .filter-group {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .filter-btn {
        padding: 7px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 500;
        background-color: var(--color-bg);
        color: var(--color-text-body);
        border: 1px solid transparent;
        transition: all var(--transition-fast);
    }
    .filter-btn:hover {
        background-color: #EDEAE4;
    }
    .filter-btn.active {
        background-color: var(--color-accent);
        color: #fff;
        border-color: var(--color-accent);
    }
    .filter-select {
        margin-left: auto;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .filter-select select {
        padding: 8px 12px;
        border: 1.5px solid var(--color-border);
        border-radius: 6px;
        font-size: 13px;
        font-family: inherit;
        color: var(--color-text-body);
        background-color: #FFFFFF;
        cursor: pointer;
        outline: none;
        transition: border-color var(--transition-fast);
    }
    .filter-select select:focus {
        border-color: var(--color-accent);
    }

    /* ===== 焦点赛事大卡 ====*/
    .featured-match {
        border-radius: var(--radius-card);
        overflow: hidden;
        position: relative;
        min-height: 320px;
        display: flex;
        align-items: stretch;
        background-color: var(--color-dark);
        box-shadow: var(--shadow-card-hover);
        margin-bottom: 48px;
    }
    .featured-match__bg {
        position: absolute;
        inset: 0;
        z-index: 0;
    }
    .featured-match__bg img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.45;
    }
    .featured-match__overlay {
        position: absolute;
        inset: 0;
        z-index: 1;
        background: linear-gradient(180deg, rgba(23,26,33,0.25) 0%, rgba(23,26,33,0.85) 100%);
    }
    .featured-match__content {
        position: relative;
        z-index: 2;
        padding: 36px 40px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        width: 100%;
    }
    .featured-match__badge {
        display: inline-block;
        background-color: var(--color-accent);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 5px 14px;
        border-radius: var(--radius-badge);
        margin-bottom: 16px;
        align-self: flex-start;
    }
    .featured-match__title {
        font-size: 26px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
        line-height: 1.3;
    }
    .featured-match__meta {
        font-size: 14px;
        color: var(--color-text-light);
        margin-bottom: 18px;
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
    }
    .featured-match__meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .featured-match__actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

    /* ===== 赛事列表卡片 ====*/
    .news-list {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }
    .news-card {
        background-color: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 0;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-card);
    }
    .news-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
    }
    .news-card__inner {
        display: flex;
        gap: 20px;
        padding: 20px 24px;
        align-items: stretch;
    }
    .news-card__thumb {
        flex-shrink: 0;
        width: 160px;
        height: 110px;
        border-radius: 8px;
        overflow: hidden;
        background-color: var(--color-bg);
    }
    .news-card__thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }
    .news-card:hover .news-card__thumb img {
        transform: scale(1.05);
    }
    .news-card__body {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
    }
    .news-card__date {
        font-size: 12px;
        font-weight: 600;
        color: var(--color-text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
        margin-bottom: 6px;
    }
    .news-card__date i {
        color: var(--color-accent);
        font-size: 12px;
    }
    .news-card__title {
        font-size: 17px;
        font-weight: 700;
        color: var(--color-text-primary);
        line-height: 1.35;
        margin-bottom: 8px;
        transition: color var(--transition-fast);
    }
    .news-card:hover .news-card__title {
        color: var(--color-accent);
    }
    .news-card__excerpt {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.65;
        flex: 1;
    }
    .news-card__footer {
        margin-top: 10px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .news-card__tag {
        font-size: 12px;
        font-weight: 600;
        color: var(--color-success);
        background-color: rgba(38,166,154,0.08);
        padding: 3px 10px;
        border-radius: var(--radius-badge);
    }
    .news-card__read {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-accent);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--transition-fast);
    }
    .news-card__read:hover {
        gap: 8px;
        color: var(--color-accent-hover);
    }

    /* ===== 数据速览板块 ====*/
    .stat-strip {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .stat-card {
        background-color: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 24px 20px;
        text-align: center;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-card);
    }
    .stat-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
    }
    .stat-card__icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-icon);
        background-color: rgba(255,92,59,0.1);
        color: var(--color-accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin: 0 auto 12px;
    }
    .stat-card__num {
        font-family: var(--font-numeric);
        font-size: 32px;
        font-weight: 700;
        color: var(--color-text-primary);
        line-height: 1.1;
        margin-bottom: 4px;
    }
    .stat-card__label {
        font-size: 13px;
        color: var(--color-text-muted);
    }

    /* ===== 规则提示卡片 ====*/
    .rule-card {
        background-color: var(--color-dark-2);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: var(--radius-card);
        padding: 28px 30px;
        display: flex;
        gap: 20px;
        align-items: flex-start;
        color: #fff;
    }
    .rule-card__icon {
        flex-shrink: 0;
        width: 50px;
        height: 50px;
        border-radius: 12px;
        background-color: rgba(242,184,75,0.15);
        color: var(--color-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
    }
    .rule-card__body h3 {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 8px;
    }
    .rule-card__body p {
        font-size: 14px;
        color: var(--color-text-light);
        line-height: 1.7;
    }

    /* ===== FAQ ====*/
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        max-width: 800px;
    }
    .faq-item {
        background-color: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: 10px;
        border-left: 4px solid var(--color-accent);
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item summary {
        padding: 16px 20px;
        cursor: pointer;
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-primary);
        display: flex;
        align-items: center;
        justify-content: space-between;
        list-style: none;
        user-select: none;
        transition: background-color var(--transition-fast);
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary:hover {
        background-color: var(--color-bg);
    }
    .faq-item summary .faq-icon {
        font-size: 14px;
        color: var(--color-text-muted);
        transition: transform var(--transition-fast);
        flex-shrink: 0;
    }
    .faq-item[open] summary .faq-icon {
        transform: rotate(180deg);
        color: var(--color-accent);
    }
    .faq-item .faq-answer {
        padding: 0 20px 16px;
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
    }

    /* ===== 相关专题入口 ====*/
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .topic-card {
        background-color: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 24px;
        display: flex;
        align-items: center;
        gap: 16px;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-card);
    }
    .topic-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
        border-color: #D5CFC6;
    }
    .topic-card__icon {
        flex-shrink: 0;
        width: 52px;
        height: 52px;
        border-radius: 14px;
        background-color: rgba(255,92,59,0.1);
        color: var(--color-accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
    }
    .topic-card__body h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-text-primary);
        margin-bottom: 4px;
    }
    .topic-card__body p {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.5;
    }

    /* ===== 分页 ====*/
    .pagination-bar {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 32px 0 8px;
    }
    .pagination-btn {
        width: 40px;
        height: 40px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text-body);
        background-color: #FFFFFF;
        border: 1px solid var(--color-border);
        transition: all var(--transition-fast);
    }
    .pagination-btn:hover {
        background-color: #F0EDE8;
        border-color: #D5CFC6;
    }
    .pagination-btn.active {
        background-color: var(--color-accent);
        color: #fff;
        border-color: var(--color-accent);
    }
    .pagination-btn.disabled {
        opacity: 0.4;
        pointer-events: none;
    }

    /* ===== 页脚 ====*/
    .site-footer {
        background-color: var(--color-dark);
        color: #FFFFFF;
        padding: 56px 0 24px;
    }
    .site-footer__grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 36px;
        margin-bottom: 40px;
    }
    .site-footer__brand .logo {
        font-size: 18px;
        margin-bottom: 12px;
        display: inline-flex;
    }
    .site-footer__brand p {
        font-size: 13px;
        color: var(--color-text-light);
        line-height: 1.7;
        max-width: 300px;
    }
    .site-footer__col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: 0.03em;
    }
    .site-footer__col ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .site-footer__col ul a {
        font-size: 13px;
        color: var(--color-text-light);
        transition: color var(--transition-fast);
    }
    .site-footer__col ul a:hover {
        color: var(--color-accent);
    }
    .site-footer__bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 12px;
        color: var(--color-text-light);
    }
    .site-footer__bottom a {
        color: var(--color-text-light);
        transition: color var(--transition-fast);
    }
    .site-footer__bottom a:hover {
        color: var(--color-accent);
    }

    /* ===== 响应式 =====*/
    @media (min-width: 1024px) {
        .burger-btn {
            display: none;
        }
        .doc-sidebar {
            transform: none !important;
            opacity: 1 !important;
        }
        .sidebar-overlay {
            display: none !important;
        }
    }
    @media (max-width: 1023px) {
        .doc-sidebar {
            position: fixed;
            left: 0;
            top: var(--header-height);
            height: calc(100vh - var(--header-height));
            transform: translateX(-100%);
            opacity: 0;
            box-shadow: 4px 0 24px rgba(0,0,0,0.25);
            z-index: 95;
        }
        .doc-sidebar.open {
            transform: translateX(0);
            opacity: 1;
        }
        .sidebar-overlay {
            display: block;
            pointer-events: none;
        }
        .sidebar-overlay.visible {
            pointer-events: auto;
        }
        .burger-btn {
            display: flex;
        }
        .header-search {
            max-width: 200px;
        }
        .stat-strip {
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .topic-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .site-footer__grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
    }
    @media (max-width: 767px) {
        :root {
            --header-height: 56px;
        }
        .section {
            padding: 40px 0;
        }
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .category-head {
            padding: 32px 0 28px;
        }
        .category-head h1 {
            font-size: 24px;
        }
        .category-head p {
            font-size: 14px;
        }
        .filter-bar {
            padding: 12px 14px;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .filter-select {
            margin-left: 0;
            width: 100%;
        }
        .filter-select select {
            width: 100%;
        }
        .featured-match {
            min-height: 260px;
        }
        .featured-match__content {
            padding: 24px 20px;
        }
        .featured-match__title {
            font-size: 20px;
        }
        .news-card__inner {
            flex-direction: column;
            gap: 14px;
            padding: 16px;
        }
        .news-card__thumb {
            width: 100%;
            height: 160px;
        }
        .news-card__title {
            font-size: 15px;
        }
        .stat-strip {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .stat-card {
            padding: 18px 16px;
        }
        .stat-card__num {
            font-size: 26px;
        }
        .rule-card {
            flex-direction: column;
            gap: 14px;
            padding: 20px 18px;
        }
        .topic-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .topic-card {
            padding: 16px 18px;
        }
        .section-title {
            font-size: 22px;
        }
        .site-footer__grid {
            grid-template-columns: 1fr;
            gap: 22px;
        }
        .site-footer__bottom {
            flex-direction: column;
            text-align: center;
        }
        .header-search {
            display: none;
        }
        .header-tools {
            gap: 6px;
        }
        .version-tag {
            font-size: 11px;
            padding: 3px 8px;
        }
        .lang-switch {
            font-size: 12px;
            padding: 5px 8px;
        }
        .pagination-btn {
            width: 36px;
            height: 36px;
            font-size: 13px;
        }
        .btn {
            padding: 9px 18px;
            font-size: 13px;
        }
    }
    @media (max-width: 420px) {
        .version-tag {
            display: none;
        }
        .header-tools {
            margin-left: auto;
        }
    }

/* roulang page: category3 */
:root {
            --color-dark: #171A21;
            --color-dark-2: #1F232D;
            --color-dark-3: #262B37;
            --color-accent: #FF5C3B;
            --color-accent-hover: #E84A2B;
            --color-gold: #F2B84B;
            --color-success: #26A69A;
            --color-bg: #F6F5F2;
            --color-card: #FFFFFF;
            --color-border: #E8E4DE;
            --color-text-primary: #171A21;
            --color-text-body: #3A3F4D;
            --color-text-muted: #7A7F88;
            --color-text-light: #B8BDC7;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-icon: 16px;
            --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
            --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
            --sidebar-width: 270px;
            --header-height: 56px;
            --bottom-bar-height: 60px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        body.sidebar-open {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 60px 0;
        }
        .section--alt {
            background-color: #FFFFFF;
        }
        .section--dark {
            background-color: var(--color-dark);
            color: #FFFFFF;
        }
        .section--dark .section-title {
            color: #FFFFFF;
        }
        .section--dark .section-subtitle {
            color: var(--color-text-light);
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-header--center {
            text-align: center;
        }
        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            line-height: 1.5;
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: #FFFFFF;
            box-shadow: var(--shadow-cta);
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 92, 59, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(255, 92, 59, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-primary);
            border: 1.5px solid var(--color-border);
        }
        .btn-secondary:hover {
            background-color: #F0EDE8;
            border-color: #D5CFC6;
            color: var(--color-text-primary);
        }
        .btn-ghost {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
        }
        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background-color: var(--color-dark);
            color: #FFFFFF;
            z-index: 1000;
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 0 20px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 17px;
            color: #FFFFFF;
            white-space: nowrap;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-gold);
        }
        .header-search {
            display: flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            padding: 0 12px;
            min-width: 240px;
            max-width: 320px;
            height: 36px;
            gap: 8px;
            transition: background-color var(--transition-fast);
        }
        .header-search:focus-within {
            background-color: rgba(255, 255, 255, 0.2);
            outline: 2px solid var(--color-accent);
            outline-offset: 1px;
        }
        .header-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }
        .header-search input {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 13px;
            width: 100%;
            outline: none;
            padding: 0;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-text-light);
            opacity: 0.8;
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-tag {
            font-size: 11px;
            font-weight: 600;
            background-color: rgba(242, 184, 75, 0.15);
            color: var(--color-gold);
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .header-lang {
            font-size: 12px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background-color var(--transition-fast);
            white-space: nowrap;
        }
        .header-lang:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .header-burger {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 20px;
            padding: 4px 8px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .header-burger i {
            font-size: 20px;
        }
        /* Desktop nav links inside header */
        .header-nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .header-nav-desktop a {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-light);
            padding: 6px 12px;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .header-nav-desktop a:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
        }
        .header-nav-desktop a.active {
            color: #FFFFFF;
            background-color: rgba(255, 92, 59, 0.18);
            font-weight: 600;
        }
        /* ========== Sidebar ========== */
        .layout-wrapper {
            display: flex;
            margin-top: var(--header-height);
            min-height: calc(100vh - var(--header-height));
        }
        .sidebar {
            width: var(--sidebar-width);
            background-color: var(--color-dark-2);
            color: #FFFFFF;
            padding: 24px 16px;
            position: fixed;
            top: var(--header-height);
            left: 0;
            bottom: 0;
            overflow-y: auto;
            z-index: 900;
            transition: transform var(--transition-slow);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }
        .sidebar__title {
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-text-light);
            margin-bottom: 16px;
            padding: 0 8px;
        }
        .sidebar__group {
            margin-bottom: 22px;
        }
        .sidebar__group-title {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-gold);
            padding: 0 8px;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .sidebar__link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-light);
            padding: 9px 12px;
            border-radius: 6px;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }
        .sidebar__link i {
            font-size: 13px;
            width: 16px;
            text-align: center;
            color: inherit;
        }
        .sidebar__link:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
        }
        .sidebar__link.active {
            color: #FFFFFF;
            background-color: rgba(255, 92, 59, 0.12);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 850;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .sidebar-overlay.visible {
            opacity: 1;
        }
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
            padding-bottom: 40px;
        }
        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: #C5C2BC;
            font-size: 11px;
        }
        .breadcrumb .current {
            color: var(--color-text-primary);
            font-weight: 600;
        }
        /* ========== Category Header ========== */
        .category-header {
            background-color: var(--color-dark);
            color: #FFFFFF;
            padding: 44px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .category-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 80% 30%, rgba(255, 92, 59, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 70%, rgba(242, 184, 75, 0.08) 0%, transparent 45%);
            pointer-events: none;
        }
        .category-header .container {
            position: relative;
            z-index: 1;
        }
        .category-header__content {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .category-header__text {
            flex: 1;
            min-width: 280px;
        }
        .category-header__h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 10px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
        }
        .category-header__desc {
            font-size: 14px;
            color: var(--color-text-light);
            max-width: 620px;
            line-height: 1.75;
        }
        .category-header__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-gold);
            background-color: rgba(242, 184, 75, 0.12);
            padding: 5px 14px;
            border-radius: 4px;
            white-space: nowrap;
        }
        /* ========== Filter Bar ========== */
        .filter-bar {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            margin-bottom: 32px;
        }
        .filter-bar__group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-bar__label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            white-space: nowrap;
        }
        .filter-chip {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .filter-chip.active {
            background-color: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
            font-weight: 600;
        }
        .filter-date {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-date i {
            color: var(--color-accent);
            font-size: 13px;
        }
        /* ========== Rank List ========== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 32px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }
        .rank-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #D5CFC6;
        }
        .rank-item__position {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-family: var(--font-numeric);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .rank-item__position--gold {
            background-color: rgba(242, 184, 75, 0.18);
            color: #E5A62B;
        }
        .rank-item__position--silver {
            background-color: rgba(180, 190, 200, 0.22);
            color: #8395A7;
        }
        .rank-item__position--bronze {
            background-color: rgba(210, 140, 80, 0.16);
            color: #C07B3F;
        }
        .rank-item__position--default {
            background-color: var(--color-bg);
            color: var(--color-text-muted);
        }
        .rank-item__thumb {
            width: 52px;
            height: 52px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background-color: var(--color-bg);
        }
        .rank-item__info {
            flex: 1;
            min-width: 160px;
        }
        .rank-item__name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 2px;
            line-height: 1.3;
        }
        .rank-item__sub {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .rank-item__stats {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .rank-stat {
            text-align: center;
        }
        .rank-stat__value {
            font-family: var(--font-numeric);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.2;
        }
        .rank-stat__label {
            font-size: 11px;
            color: var(--color-text-muted);
        }
        .rank-stat--hot .rank-stat__value {
            color: var(--color-accent);
        }
        .rank-trend {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
        }
        .rank-trend--up {
            color: var(--color-success);
            background-color: rgba(38, 166, 154, 0.1);
        }
        .rank-trend--down {
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
        }
        .rank-trend--flat {
            color: var(--color-text-muted);
            background-color: var(--color-bg);
        }
        /* ========== Featured Card ========== */
        .featured-card {
            background-color: var(--color-dark-2);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
        }
        .featured-card__image-wrap {
            flex: 0 0 38%;
            min-width: 280px;
            position: relative;
            background-color: var(--color-dark-3);
        }
        .featured-card__image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 240px;
        }
        .featured-card__badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background-color: var(--color-accent);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }
        .featured-card__body {
            flex: 1;
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }
        .featured-card__tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 0.04em;
        }
        .featured-card__title {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.3;
        }
        .featured-card__desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .featured-card__meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .featured-card__meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-light);
        }
        .featured-card__meta-item i {
            color: var(--color-accent);
            font-size: 13px;
        }
        /* ========== Metrics Section ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .metric-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .metric-card__icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-icon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            margin-bottom: 12px;
            background-color: rgba(255, 92, 59, 0.08);
            color: var(--color-accent);
        }
        .metric-card__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }
        .metric-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            border-left: 3px solid var(--color-accent);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .faq-item details {
            padding: 0;
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            cursor: pointer;
            transition: background-color var(--transition-fast);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background-color: #FAF9F7;
        }
        .faq-item summary .faq-icon {
            color: var(--color-accent);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .faq-item details[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item__answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
        }
        /* ========== Related Topics ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .topic-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .topic-card__icon {
            font-size: 22px;
            color: var(--color-gold);
            margin-bottom: 4px;
        }
        .topic-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.35;
        }
        .topic-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--color-dark);
            color: var(--color-text-light);
            padding: 48px 0 28px;
            font-size: 13px;
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer__brand .logo {
            font-size: 17px;
            margin-bottom: 10px;
        }
        .site-footer__brand p {
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
            max-width: 280px;
        }
        .site-footer__col h4 {
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .site-footer__col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer__col ul li {
            margin-bottom: 8px;
        }
        .site-footer__col ul li a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .site-footer__col ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            color: var(--color-text-light);
        }
        .site-footer__bottom a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .site-footer__bottom a:hover {
            color: var(--color-accent);
        }
        /* ========== Responsive ========== */
        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
            }
            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }
            .sidebar-overlay.visible {
                pointer-events: auto;
            }
            .main-content {
                margin-left: 0;
            }
            .header-burger {
                display: inline-flex;
            }
            .header-nav-desktop {
                display: none;
            }
            .header-search {
                min-width: 160px;
                max-width: 200px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-card__image-wrap {
                flex-basis: 100%;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .category-header {
                padding: 32px 0 28px;
            }
            .category-header__h1 {
                font-size: 26px;
            }
            .header-search {
                min-width: 120px;
                max-width: 160px;
                height: 32px;
            }
            .header-tag {
                display: none;
            }
            .rank-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .rank-item__stats {
                gap: 12px;
                width: 100%;
                justify-content: flex-start;
                padding-left: 52px;
            }
            .rank-stat__value {
                font-size: 16px;
            }
            .featured-card__body {
                padding: 20px 22px;
            }
            .featured-card__title {
                font-size: 18px;
            }
            .filter-bar {
                padding: 12px 14px;
                gap: 10px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-search {
                display: none;
            }
            .header-lang {
                font-size: 11px;
                padding: 2px 6px;
            }
            .header-tools {
                gap: 6px;
            }
            .category-header__h1 {
                font-size: 22px;
            }
            .rank-item__thumb {
                width: 40px;
                height: 40px;
            }
            .rank-item__stats {
                padding-left: 0;
            }
            .rank-item__position {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .btn {
                font-size: 13px;
                padding: 10px 18px;
            }
        }

/* roulang page: category4 */
:root {
            --color-dark: #171A21;
            --color-dark-2: #1F232D;
            --color-dark-3: #262B37;
            --color-accent: #FF5C3B;
            --color-accent-hover: #E84A2B;
            --color-gold: #F2B84B;
            --color-success: #26A69A;
            --color-bg: #F6F5F2;
            --color-card: #FFFFFF;
            --color-border: #E8E4DE;
            --color-text-primary: #171A21;
            --color-text-body: #3A3F4D;
            --color-text-muted: #7A7F88;
            --color-text-light: #B8BDC7;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-icon: 16px;
            --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
            --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
            --sidebar-width: 270px;
            --header-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
            margin: 0;
        }

        body.sidebar-open {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
        }

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p {
            margin: 0 0 1rem;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text-primary);
            line-height: 1.3;
            font-weight: 700;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 56px 0;
        }

        .section--alt {
            background-color: #FFFFFF;
        }

        .section--dark {
            background-color: var(--color-dark);
            color: #FFFFFF;
        }

        .section--dark .section-title {
            color: #FFFFFF;
        }

        .section--dark .section-subtitle {
            color: var(--color-text-light);
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .section-header--center {
            text-align: center;
        }

        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            line-height: 1.5;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: #FFFFFF;
            box-shadow: var(--shadow-cta);
        }

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 92, 59, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(255, 92, 59, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-primary);
            border: 1.5px solid var(--color-border);
        }

        .btn-secondary:hover {
            background-color: #F0EDE8;
            border-color: #D5CFC6;
            color: var(--color-text-primary);
        }

        .btn-ghost {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
        }

        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-sm {
            font-size: 13px;
            padding: 8px 16px;
        }

        /* Header / Top Bar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background-color: var(--color-dark);
            color: #FFFFFF;
            z-index: 100;
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            padding: 0 20px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .site-header__left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .site-header__right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.01em;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: var(--color-accent);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 15px;
            flex-shrink: 0;
        }

        .logo:hover {
            color: #FFFFFF;
            opacity: 0.9;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 6px 12px;
            min-width: 200px;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 13px;
            width: 100%;
            outline: none;
        }

        .search-box input::placeholder {
            color: var(--color-text-light);
        }

        .search-box i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .version-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-light);
            background-color: rgba(255, 255, 255, 0.08);
            padding: 4px 10px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .lang-switch {
            font-size: 13px;
            color: var(--color-text-light);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .lang-switch:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 130;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Main Nav (inline) */
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light);
            padding: 6px 14px;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: #FFFFFF;
            background-color: rgba(255, 92, 59, 0.2);
            font-weight: 600;
        }

        /* Sidebar */
        .sidebar {
            position: fixed;
            top: var(--header-height);
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-dark-2);
            color: #FFFFFF;
            z-index: 90;
            overflow-y: auto;
            padding: 20px 16px 32px;
            transition: transform var(--transition-slow);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }

        .sidebar__title {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-text-light);
            padding: 0 10px 10px;
            margin-bottom: 6px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar__section {
            margin-bottom: 22px;
        }

        .sidebar__group-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-light);
            padding: 8px 10px 4px;
            cursor: default;
        }

        .sidebar__nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar__nav a {
            font-size: 14px;
            color: var(--color-text-light);
            padding: 7px 10px;
            border-radius: 6px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }

        .sidebar__nav a:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .sidebar__nav a.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.06);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar__divider {
            height: 1px;
            background-color: rgba(255, 255, 255, 0.08);
            margin: 14px 0;
        }

        /* Sidebar overlay for mobile */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 85;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .sidebar-overlay.visible {
            opacity: 1;
        }

        /* Content wrapper */
        .content-wrapper {
            margin-left: var(--sidebar-width);
            min-height: calc(100vh - var(--header-height));
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
            padding-bottom: 0;
        }

        /* Breadcrumb */
        .breadcrumb {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .separator {
            color: var(--color-text-light);
        }

        /* Category Hero */
        .category-hero {
            background-color: var(--color-dark);
            color: #FFFFFF;
            padding: 40px 0 36px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(135deg, transparent 40%, rgba(255, 92, 59, 0.12) 100%);
            pointer-events: none;
        }

        .category-hero__inner {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 30px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .category-hero__desc {
            font-size: 15px;
            color: var(--color-text-light);
            max-width: 620px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 12px 18px;
            box-shadow: var(--shadow-card);
        }

        .filter-toolbar__label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-right: 4px;
        }

        .filter-toolbar__chips {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .filter-chip {
            font-size: 13px;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 6px 14px;
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .filter-chip.active {
            background-color: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .filter-toolbar__sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .filter-toolbar__sort select {
            font-size: 13px;
            padding: 6px 10px;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            background-color: var(--color-card);
            color: var(--color-text-body);
            cursor: pointer;
            outline: none;
        }

        .filter-toolbar__sort select:focus {
            border-color: var(--color-accent);
        }

        /* Team list cards */
        .team-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .team-list-card {
            display: flex;
            align-items: stretch;
            gap: 18px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 14px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .team-list-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #D5CFC6;
            transform: translateY(-1px);
        }

        .team-list-card__img {
            flex-shrink: 0;
            width: 120px;
            height: 82px;
            border-radius: 8px;
            overflow: hidden;
            background-color: var(--color-bg);
        }

        .team-list-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .team-list-card__body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .team-list-card__top {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }

        .team-list-card__name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0;
        }

        .team-list-card__region {
            font-size: 11px;
            font-weight: 600;
            color: var(--color-text-muted);
            background-color: var(--color-bg);
            padding: 2px 8px;
            border-radius: 4px;
        }

        .team-list-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .team-list-card__side {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            justify-content: center;
            gap: 4px;
            min-width: 90px;
        }

        .team-list-card__stat {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

        .team-list-card__winrate {
            font-size: 24px;
            font-weight: 700;
            font-family: var(--font-numeric);
            color: var(--color-accent);
            line-height: 1.2;
        }

        .team-list-card__rank {
            font-size: 11px;
            font-weight: 600;
            color: var(--color-gold);
            background-color: rgba(242, 184, 75, 0.12);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* Featured team */
        .featured-team {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .featured-team__img {
            min-height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .featured-team__img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(23, 26, 33, 0.6), transparent);
        }

        .featured-team__img .badge-float {
            position: absolute;
            bottom: 14px;
            left: 14px;
            z-index: 2;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background-color: rgba(255, 92, 59, 0.9);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .featured-team__body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-team__body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .featured-team__body p {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .featured-team__stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .featured-team__stat-item {
            text-align: center;
        }

        .featured-team__stat-value {
            font-size: 22px;
            font-weight: 700;
            font-family: var(--font-numeric);
            color: var(--color-accent);
            line-height: 1.2;
        }

        .featured-team__stat-label {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* Data comparison table */
        .data-table-wrap {
            overflow-x: auto;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 600px;
        }

        .data-table th,
        .data-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
        }

        .data-table th {
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--color-text-muted);
            background-color: var(--color-bg);
            border-bottom: 2px solid var(--color-border);
        }

        .data-table td {
            color: var(--color-text-body);
        }

        .data-table tr:last-child td {
            border-bottom: none;
        }

        .data-table .team-name-cell {
            font-weight: 600;
            color: var(--color-text-primary);
            white-space: nowrap;
        }

        .data-table .highlight-val {
            font-weight: 700;
            font-family: var(--font-numeric);
            color: var(--color-accent);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-left: 3px solid var(--color-accent);
            border-radius: 10px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            padding: 14px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            font-size: 12px;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item[open] summary i {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 18px 14px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.75;
        }

        .faq-item .faq-answer p {
            margin-bottom: 0;
        }

        /* Related topics */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #D5CFC6;
            transform: translateY(-1px);
        }

        .related-card i {
            font-size: 22px;
            color: var(--color-accent);
        }

        .related-card span {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-primary);
        }

        /* Pagination / More */
        .pagination-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pagination-bar .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-body);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .pagination-bar .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .pagination-bar .page-btn.active {
            background-color: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .pagination-bar .page-btn.disabled {
            opacity: 0.5;
            cursor: default;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-dark);
            color: var(--color-text-light);
            padding: 48px 0 24px;
            font-size: 14px;
        }

        .site-footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer__brand .logo {
            font-size: 17px;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .site-footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-light);
            margin-bottom: 0;
        }

        .site-footer__col h4 {
            font-size: 13px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .site-footer__col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .site-footer__col ul li a {
            font-size: 13px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .site-footer__col ul li a:hover {
            color: #FFFFFF;
        }

        .site-footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            font-size: 12px;
            color: var(--color-text-light);
        }

        .site-footer__bottom p {
            margin-bottom: 0;
        }

        .site-footer__bottom a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .site-footer__bottom a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 260px;
                --header-height: 60px;
            }

            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .sidebar {
                transform: translateX(-100%);
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .sidebar-overlay {
                display: block;
            }

            .content-wrapper {
                margin-left: 0;
            }

            .section {
                padding: 44px 0;
            }

            .featured-team {
                grid-template-columns: 1fr;
            }

            .featured-team__img {
                min-height: 200px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
            }

            body {
                padding-top: var(--header-height);
            }

            .site-header__inner {
                padding: 0 14px;
                gap: 10px;
            }

            .search-box {
                display: none;
            }

            .version-tag {
                display: none;
            }

            .team-list-card {
                flex-direction: column;
                gap: 12px;
                padding: 12px;
            }

            .team-list-card__img {
                width: 100%;
                height: 140px;
            }

            .team-list-card__side {
                flex-direction: row;
                align-items: center;
                gap: 12px;
                min-width: auto;
                justify-content: flex-start;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .section-title {
                font-size: 21px;
            }

            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 575px) {
            .section {
                padding: 32px 0;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .category-hero {
                padding: 28px 0 24px;
            }

            .category-hero h1 {
                font-size: 21px;
            }

            .category-hero__desc {
                font-size: 13px;
            }

            .filter-toolbar {
                padding: 10px 12px;
                gap: 8px;
            }

            .filter-toolbar__sort {
                margin-left: 0;
                width: 100%;
                justify-content: space-between;
            }

            .filter-chip {
                font-size: 12px;
                padding: 5px 10px;
            }

            .featured-team__body {
                padding: 16px;
            }

            .featured-team__stats {
                gap: 12px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .btn {
                font-size: 13px;
                padding: 9px 18px;
            }
        }

        @media (max-width: 400px) {
            .lang-switch {
                display: none;
            }
        }

/* roulang page: category6 */
:root {
            --color-dark: #171A21;
            --color-dark-2: #1F232D;
            --color-dark-3: #262B37;
            --color-accent: #FF5C3B;
            --color-accent-hover: #E84A2B;
            --color-gold: #F2B84B;
            --color-success: #26A69A;
            --color-bg: #F6F5F2;
            --color-card: #FFFFFF;
            --color-border: #E8E4DE;
            --color-text-primary: #171A21;
            --color-text-body: #3A3F4D;
            --color-text-muted: #7A7F88;
            --color-text-light: #B8BDC7;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-icon: 16px;
            --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
            --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
            --sidebar-width: 270px;
            --header-height: 64px;
            --bottom-bar-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }
        :root {
            --header-height: 56px;
            --bottom-bar-height: 60px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }
        body.sidebar-open {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 48px 0;
        }
        .section--alt {
            background-color: #FFFFFF;
        }
        .section--dark {
            background-color: var(--color-dark);
            color: #FFFFFF;
        }
        .section--dark .section-title {
            color: #FFFFFF;
        }
        .section--dark .section-subtitle {
            color: var(--color-text-light);
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-header--center {
            text-align: center;
        }
        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            line-height: 1.5;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: #FFFFFF;
            box-shadow: var(--shadow-cta);
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 92, 59, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(255, 92, 59, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-primary);
            border: 1.5px solid var(--color-border);
        }
        .btn-secondary:hover {
            background-color: #F0EDE8;
            border-color: #D5CFC6;
            color: var(--color-text-primary);
        }
        .btn-ghost {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.32);
        }
        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.5);
            color: #FFFFFF;
        }
        .btn-sm {
            font-size: 13px;
            padding: 8px 16px;
        }
        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            background-color: rgba(242, 184, 75, 0.16);
            color: #C08A1E;
        }
        .badge--accent {
            background-color: rgba(255, 92, 59, 0.1);
            color: var(--color-accent);
        }
        .badge--success {
            background-color: rgba(38, 166, 154, 0.12);
            color: var(--color-success);
        }
        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background-color: var(--color-dark);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 16px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background-color: var(--color-accent);
            border-radius: 6px;
            font-size: 13px;
            color: #FFFFFF;
        }
        .site-header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 24px;
            flex: 1;
        }
        .site-header__nav a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light);
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .site-header__nav a:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
        }
        .site-header__nav a.active {
            color: #FFFFFF;
            background-color: rgba(255, 92, 59, 0.16);
        }
        .site-header__search {
            display: flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-btn);
            padding: 6px 12px;
            width: 220px;
            flex-shrink: 0;
        }
        .site-header__search input {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 13px;
            width: 100%;
            outline: none;
        }
        .site-header__search input::placeholder {
            color: var(--color-text-light);
        }
        .site-header__search i {
            color: var(--color-text-light);
            font-size: 13px;
        }
        .site-header__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .site-header__version {
            font-size: 12px;
            color: var(--color-text-light);
            background-color: rgba(255, 255, 255, 0.06);
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }
        .site-header__lang {
            font-size: 12px;
            color: var(--color-text-light);
            cursor: pointer;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-header__lang:hover {
            color: #FFFFFF;
        }
        .hamburger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-btn);
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }
        .hamburger:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .sidebar-overlay {
            position: fixed;
            inset: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 90;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-base);
        }
        .sidebar-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .doc-sidebar {
            position: fixed;
            top: var(--header-height);
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-dark-2);
            color: #FFFFFF;
            z-index: 95;
            overflow-y: auto;
            padding: 20px 0;
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }
        .doc-sidebar.open {
            transform: translateX(0);
        }
        .doc-sidebar__title {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-text-light);
            padding: 0 20px;
            margin-bottom: 12px;
        }
        .doc-sidebar__list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .doc-sidebar__list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-light);
            padding: 9px 20px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }
        .doc-sidebar__list li a:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
        }
        .doc-sidebar__list li a.active {
            color: #FFFFFF;
            border-left-color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
        }
        .doc-sidebar__list li a i {
            width: 16px;
            text-align: center;
            font-size: 12px;
            flex-shrink: 0;
        }
        .doc-sidebar__divider {
            height: 1px;
            background-color: rgba(255, 255, 255, 0.08);
            margin: 16px 20px;
        }
        .page-wrapper {
            transition: margin-left var(--transition-slow);
        }
        .page-main {
            padding-bottom: 0;
        }
        .breadcrumb-row {
            padding: 16px 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: #C5C0B8;
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb li:last-child {
            color: var(--color-text-primary);
            font-weight: 500;
        }
        .page-hero {
            padding: 28px 0 24px;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 28px;
        }
        .page-hero h1 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .page-hero p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .filter-toolbar__label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: 20px;
            border: 1.5px solid var(--color-border);
            background-color: var(--color-card);
            color: var(--color-text-body);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .filter-chip.active {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #FFFFFF;
            box-shadow: var(--shadow-cta);
        }
        .entry-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 32px;
        }
        .entry-card {
            display: flex;
            gap: 16px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 16px;
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .entry-card__img {
            flex-shrink: 0;
            width: 160px;
            height: 108px;
            border-radius: 8px;
            overflow: hidden;
            background-color: var(--color-dark-2);
        }
        .entry-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .entry-card__body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .entry-card__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .entry-card__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .entry-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .featured-card {
            background-color: var(--color-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            align-items: stretch;
            margin-bottom: 32px;
            box-shadow: 0 8px 32px rgba(23, 26, 33, 0.18);
        }
        .featured-card__content {
            flex: 1;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-card__tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--color-gold);
            margin-bottom: 10px;
        }
        .featured-card__title {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .featured-card__desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 520px;
        }
        .featured-card__img {
            flex-shrink: 0;
            width: 40%;
            min-height: 220px;
            background-color: var(--color-dark-3);
            position: relative;
        }
        .featured-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }
        .rules-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 18px;
            transition: all var(--transition-base);
        }
        .rules-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .rules-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-icon);
            font-size: 16px;
            margin-bottom: 12px;
        }
        .rules-card__icon--orange {
            background-color: rgba(255, 92, 59, 0.1);
            color: var(--color-accent);
        }
        .rules-card__icon--gold {
            background-color: rgba(242, 184, 75, 0.16);
            color: #C08A1E;
        }
        .rules-card__icon--teal {
            background-color: rgba(38, 166, 154, 0.12);
            color: var(--color-success);
        }
        .rules-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .rules-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .faq-section {
            margin-bottom: 32px;
        }
        .faq-section .accordion {
            background: none;
            border: none;
        }
        .faq-section .accordion-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            border-left: 3px solid var(--color-accent);
            transition: all var(--transition-base);
        }
        .faq-section .accordion-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-section .accordion-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            padding: 16px 18px;
            background-color: var(--color-card);
            border: none;
            line-height: 1.5;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .faq-section .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
        }
        .faq-section .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }
        .faq-section .accordion-content {
            padding: 0 18px 16px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
            background-color: var(--color-card);
            border: none;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }
        .related-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 18px 16px;
            text-align: center;
            transition: all var(--transition-base);
            display: block;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }
        .related-card i {
            font-size: 24px;
            color: var(--color-accent);
            margin-bottom: 10px;
            display: block;
        }
        .related-card h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 4px;
        }
        .related-card span {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .pagination-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 8px;
            border-top: 1px solid var(--color-border);
            margin-bottom: 48px;
        }
        .pagination {
            display: flex;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .pagination a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-btn);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-body);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .pagination a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .pagination a.active {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #FFFFFF;
        }
        .site-footer {
            background-color: var(--color-dark);
            color: var(--color-text-light);
            padding: 48px 0 24px;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer__brand .logo {
            font-size: 16px;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .site-footer__brand p {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }
        .site-footer__col h4 {
            font-size: 13px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .site-footer__col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer__col ul li {
            margin-bottom: 8px;
        }
        .site-footer__col ul li a {
            font-size: 13px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .site-footer__col ul li a:hover {
            color: #FFFFFF;
        }
        .site-footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--color-text-light);
        }
        .site-footer__bottom a {
            color: var(--color-text-light);
        }
        .site-footer__bottom a:hover {
            color: #FFFFFF;
        }
        @media (min-width: 1024px) {
            .doc-sidebar {
                transform: translateX(0);
            }
            .page-wrapper {
                margin-left: var(--sidebar-width);
            }
            .hamburger {
                display: none;
            }
            .sidebar-overlay {
                display: none;
            }
        }
        @media (max-width: 1023px) {
            .site-header__nav {
                display: none;
            }
            .site-header__search {
                display: none;
            }
            .hamburger {
                display: inline-flex;
                margin-left: auto;
            }
            .site-header__meta {
                margin-left: 0;
            }
            .doc-sidebar {
                transform: translateX(-100%);
            }
            .doc-sidebar.open {
                transform: translateX(0);
            }
            .page-wrapper {
                margin-left: 0;
            }
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-card {
                flex-direction: column;
            }
            .featured-card__img {
                width: 100%;
                min-height: 200px;
                order: -1;
            }
        }
        @media (max-width: 767px) {
            .entry-card {
                flex-direction: column;
            }
            .entry-card__img {
                width: 100%;
                height: 160px;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer__brand {
                grid-column: 1 / -1;
            }
            .site-header__version {
                display: none;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .filter-toolbar {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }
        }
        @media (max-width: 575px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: 36px 0;
            }
            .page-hero h1 {
                font-size: 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .site-footer__grid {
                grid-template-columns: 1fr;
            }
            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category5 */
:root {
            --color-dark: #171A21;
            --color-dark-2: #1F232D;
            --color-dark-3: #262B37;
            --color-accent: #FF5C3B;
            --color-accent-hover: #E84A2B;
            --color-gold: #F2B84B;
            --color-success: #26A69A;
            --color-bg: #F6F5F2;
            --color-card: #FFFFFF;
            --color-border: #E8E4DE;
            --color-text-primary: #171A21;
            --color-text-body: #3A3F4D;
            --color-text-muted: #7A7F88;
            --color-text-light: #B8BDC7;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-icon: 16px;
            --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
            --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
            --sidebar-width: 270px;
            --header-height: 64px;
            --bottom-bar-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }
        :root {
            --header-height: 56px;
            --bottom-bar-height: 60px;
        }
        :root {
            --color-dark: #171A21;
            --color-dark-2: #1F232D;
            --color-dark-3: #262B37;
            --color-accent: #FF5C3B;
            --color-accent-hover: #E84A2B;
            --color-gold: #F2B84B;
            --color-success: #26A69A;
            --color-bg: #F6F5F2;
            --color-card: #FFFFFF;
            --color-border: #E8E4DE;
            --color-text-primary: #171A21;
            --color-text-body: #3A3F4D;
            --color-text-muted: #7A7F88;
            --color-text-light: #B8BDC7;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-icon: 16px;
            --shadow-card: 0 2px 8px rgba(23, 26, 33, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(23, 26, 33, 0.12);
            --shadow-cta: 0 4px 12px rgba(255, 92, 59, 0.28);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.3);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-numeric: "DIN Alternate", "Barlow Condensed", "Helvetica Neue", system-ui, sans-serif;
            --sidebar-width: 270px;
            --header-height: 64px;
            --bottom-bar-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        body.sidebar-open {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 56px 0;
        }
        .section--alt {
            background-color: #FFFFFF;
        }
        .section--dark {
            background-color: var(--color-dark);
            color: #FFFFFF;
        }
        .section--dark .section-title {
            color: #FFFFFF;
        }
        .section--dark .section-subtitle {
            color: var(--color-text-light);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-header--center {
            text-align: center;
        }
        .section-header--center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            line-height: 1.5;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: #FFFFFF;
            box-shadow: var(--shadow-cta);
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 92, 59, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(255, 92, 59, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-primary);
            border: 1.5px solid var(--color-border);
        }
        .btn-secondary:hover {
            background-color: #F0EDE8;
            border-color: #D5CFC6;
            color: var(--color-text-primary);
        }
        .btn-ghost {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }
        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: #FFFFFF;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: var(--radius-icon);
            background-color: var(--color-accent);
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
        }
        .logo:hover {
            color: #FFFFFF;
        }
        /* ===== Top Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-dark);
            box-shadow: var(--shadow-nav);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .site-header__left,
        .site-header__right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .site-header__right {
            gap: 8px;
        }
        .header-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            background-color: rgba(255, 92, 59, 0.15);
            color: var(--color-accent);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .header-lang {
            font-size: 12px;
            color: var(--color-text-light);
            padding: 4px 8px;
            border-radius: 4px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .header-lang:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .header-search {
            display: flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            padding: 0 12px;
            height: 36px;
            min-width: 200px;
            transition: all var(--transition-fast);
        }
        .header-search:focus-within {
            border-color: var(--color-accent);
            background-color: rgba(255, 255, 255, 0.12);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 13px;
            padding: 0 8px;
            width: 100%;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-text-light);
        }
        .header-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }
        .hamburger:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        /* ===== Main Nav ===== */
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-light);
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav__link:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }
        .main-nav__link.active {
            color: #fff;
            background-color: rgba(255, 92, 59, 0.2);
        }
        .main-nav__link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 2px;
            background-color: var(--color-accent);
        }
        .main-nav__link {
            position: relative;
        }
        /* ===== Sidebar ===== */
        .layout-wrapper {
            display: flex;
            min-height: calc(100vh - var(--header-height));
        }
        .sidebar {
            position: fixed;
            top: var(--header-height);
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-dark);
            overflow-y: auto;
            z-index: 90;
            padding: 24px 16px;
            transition: transform var(--transition-base);
        }
        .sidebar__title {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-text-light);
            padding: 0 12px;
            margin-bottom: 16px;
        }
        .sidebar__group {
            margin-bottom: 24px;
        }
        .sidebar__item {
            display: block;
            font-size: 14px;
            color: var(--color-text-light);
            padding: 9px 12px;
            border-radius: 6px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }
        .sidebar__item:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .sidebar__item.active {
            background-color: rgba(255, 92, 59, 0.12);
            color: #fff;
            border-left-color: var(--color-accent);
        }
        .sidebar__item--sub {
            font-size: 13px;
            padding-left: 28px;
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 85;
        }
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
        }
        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
            padding: 20px 0 0;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-text-body);
            font-weight: 500;
        }
        /* ===== Category Title ===== */
        .category-header {
            padding: 28px 0 20px;
        }
        .category-header__tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background-color: rgba(255, 92, 59, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 14px;
        }
        .category-header h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.015em;
        }
        .category-header__desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.75;
        }
        /* ===== Filter Toolbar ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 14px 16px;
            box-shadow: var(--shadow-card);
        }
        .filter-bar__label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            color: var(--color-text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .filter-chip.active {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .filter-chip i {
            font-size: 11px;
        }
        /* ===== Guide List Cards ===== */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .guide-card {
            display: flex;
            gap: 18px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(255, 92, 59, 0.2);
        }
        .guide-card__thumb {
            flex-shrink: 0;
            width: 140px;
            height: 96px;
            border-radius: 8px;
            overflow: hidden;
            background-color: var(--color-bg);
        }
        .guide-card__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .guide-card__body {
            flex: 1;
            min-width: 0;
        }
        .guide-card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .guide-card__badge {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            background-color: rgba(255, 92, 59, 0.08);
            color: var(--color-accent);
        }
        .guide-card__badge--gold {
            background-color: rgba(242, 184, 75, 0.12);
            color: #B8860B;
        }
        .guide-card__badge--success {
            background-color: rgba(38, 166, 154, 0.08);
            color: var(--color-success);
        }
        .guide-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .guide-card__title a:hover {
            color: var(--color-accent);
        }
        .guide-card__excerpt {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* ===== Featured Section ===== */
        .featured-card {
            display: flex;
            gap: 24px;
            background-color: var(--color-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .featured-card__img {
            flex-shrink: 0;
            width: 45%;
            min-height: 280px;
            position: relative;
            overflow: hidden;
        }
        .featured-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .featured-card__body {
            flex: 1;
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-card__tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .featured-card__title {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.35;
            margin-bottom: 10px;
        }
        .featured-card__desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .featured-card__stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .featured-card__stat {
            text-align: left;
        }
        .featured-card__stat-value {
            font-family: var(--font-numeric);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .featured-card__stat-label {
            font-size: 12px;
            color: var(--color-text-light);
        }
        /* ===== Rules Section ===== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        .rule-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .rule-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .rule-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-icon);
            background-color: rgba(255, 92, 59, 0.08);
            color: var(--color-accent);
            font-size: 18px;
            margin-bottom: 14px;
        }
        .rule-card__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 8px;
        }
        .rule-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }
        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
        }
        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-left: 3px solid var(--color-accent);
            border-radius: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item__answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
        }
        /* ===== Related Topics ===== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }
        .topic-card {
            display: flex;
            align-items: center;
            gap: 12px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 16px 18px;
            transition: all var(--transition-base);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 92, 59, 0.25);
            transform: translateY(-2px);
        }
        .topic-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background-color: rgba(255, 92, 59, 0.08);
            color: var(--color-accent);
            font-size: 16px;
            flex-shrink: 0;
        }
        .topic-card__text {
            flex: 1;
            min-width: 0;
        }
        .topic-card__title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-primary);
        }
        .topic-card__count {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .topic-card__arrow {
            color: var(--color-text-muted);
            font-size: 13px;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .topic-card:hover .topic-card__arrow {
            color: var(--color-accent);
        }
        /* ===== Pagination / More ===== */
        .pagination-area {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 8px;
        }
        .pagination-area__info {
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .pagination-btns {
            display: flex;
            gap: 6px;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 6px;
            border: 1px solid var(--color-border);
            color: var(--color-text-body);
            transition: all var(--transition-fast);
            background-color: var(--color-card);
        }
        .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .page-btn.active {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }
        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-dark);
            color: var(--color-text-light);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-light);
            margin-top: 12px;
            max-width: 280px;
        }
        .site-footer__col h4 {
            font-size: 13px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .site-footer__col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer__col ul li {
            margin-bottom: 8px;
        }
        .site-footer__col ul li a {
            font-size: 13px;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .site-footer__col ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .site-footer__bottom a {
            color: var(--color-text-muted);
        }
        .site-footer__bottom a:hover {
            color: var(--color-accent);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: 8px 0 24px rgba(0, 0, 0, 0.3);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay.show {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .hamburger {
                display: inline-flex;
            }
            .header-search {
                display: none;
            }
            .header-search.mobile-show {
                display: flex;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                margin: 0;
                border-radius: 0;
                border: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.12);
                background-color: var(--color-dark-2);
            }
            .main-nav {
                display: none;
            }
            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: var(--color-dark-2);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-nav);
                z-index: 95;
            }
            .main-nav__link {
                padding: 10px 14px;
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header__inner {
                gap: 8px;
            }
            .header-tag,
            .header-lang {
                display: none;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .featured-card {
                flex-direction: column;
            }
            .featured-card__img {
                width: 100%;
                min-height: 200px;
                position: relative;
            }
            .featured-card__body {
                padding: 20px;
            }
            .guide-card {
                flex-direction: column;
                padding: 14px;
            }
            .guide-card__thumb {
                width: 100%;
                height: 160px;
            }
            .filter-bar {
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .filter-bar::-webkit-scrollbar {
                display: none;
            }
            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer__brand {
                grid-column: 1 / -1;
            }
            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 575px) {
            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 21px;
            }
            .category-header h1 {
                font-size: 21px;
            }
            .featured-card__stats {
                gap: 16px;
            }
            .featured-card__stat-value {
                font-size: 20px;
            }
            .pagination-area {
                flex-direction: column;
                text-align: center;
            }
        }