/* roulang page: index */
:root {
            --primary: #FF7A00;
            --primary-deep: #E5640C;
            --primary-glow: #FFB84D;
            --secondary: #1B2A3A;
            --secondary-deep: #111E2A;
            --accent: #00D4A6;
            --accent-deep: #00B894;
            --bg: #F5F6F8;
            --bg-card: #FFFFFF;
            --text: #1A1F26;
            --text-soft: #4A5568;
            --text-muted: #7A8699;
            --border: #E4E7ED;
            --border-strong: #D1D5DC;
            --shadow-sm: 0 2px 8px rgba(17, 30, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(17, 30, 42, 0.1);
            --shadow-lg: 0 16px 48px rgba(17, 30, 42, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 40px;
            --space-3xl: 56px;
            --space-4xl: 72px;
            --space-5xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 64px;
            --transition-fast: 150ms ease;
            --transition-base: 250ms ease;
            --transition-slow: 400ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        :focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--secondary-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
            height: var(--nav-height);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-lg);
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .main-nav__list {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .main-nav__list li {
            position: relative;
        }

        .main-nav__list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .main-nav__list a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.1);
        }

        .main-nav__list a.active {
            color: #FFFFFF;
            background: rgba(255, 122, 0, 0.25);
            font-weight: 600;
        }

        .main-nav__list a.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: -1px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .nav-actions__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-left: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-actions__link:first-child {
            border-left: none;
        }

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

        .nav-actions__link svg {
            width: 15px;
            height: 15px;
            fill: currentColor;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            color: #fff;
            flex-shrink: 0;
        }

        .nav-toggle svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: var(--secondary-deep);
            padding: var(--space-lg);
            flex-direction: column;
            gap: var(--space-sm);
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform var(--transition-base);
        }

        .mobile-nav.open {
            transform: translateX(0);
        }

        .mobile-nav a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: #fff;
            background: rgba(255, 122, 0, 0.22);
        }

        .mobile-nav__actions {
            margin-top: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .mobile-nav__actions a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding: var(--space-3xl) 0;
            background: linear-gradient(140deg, #FF8A1E 0%, #F5650C 25%, #E84C0E 50%, #B52D0E 100%);
            overflow: hidden;
            isolation: isolate;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/5a6d573819082790.jpg');
            background-size: cover;
            background-position: center 20%;
            opacity: 0.32;
            z-index: 1;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(17, 30, 42, 0.45) 0%, rgba(17, 30, 42, 0.2) 40%, rgba(17, 30, 42, 0.65) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--space-3xl);
            align-items: center;
        }

        .hero__content {
            color: #fff;
        }

        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-lg);
            color: #FFF8ED;
        }

        .hero__badge svg {
            width: 16px;
            height: 16px;
            fill: var(--primary-glow);
        }

        .hero__title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: var(--space-lg);
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            max-width: 620px;
        }

        .hero__title em {
            font-style: normal;
            color: var(--primary-glow);
        }

        .hero__desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: var(--space-xl);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }

        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn svg {
            width: 18px;
            height: 18px;
            fill: currentColor;
            flex-shrink: 0;
        }

        .btn-primary {
            background: #FFFFFF;
            color: var(--primary-deep);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-glow);
            color: var(--secondary-deep);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.14);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(8px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.24);
            border-color: rgba(255, 255, 255, 0.45);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .hero__stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }

        .hero__stat-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            color: #FFFFFF;
            transition: background var(--transition-base), transform var(--transition-base);
        }

        .hero__stat-card:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-4px);
        }

        .hero__stat-card .stat-value {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #FFFFFF;
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .hero__stat-card .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* ===== Sections general ===== */
        .section {
            padding: var(--space-4xl) 0;
        }

        .section-alt {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            margin-bottom: var(--space-2xl);
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--primary-deep);
            text-transform: uppercase;
            margin-bottom: var(--space-sm);
        }

        .section-header .section-tag::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: var(--space-sm);
        }

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

        /* ===== Metrics Dashboard ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-glow));
            border-radius: 3px 3px 0 0;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .metric-card__icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(255, 122, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-md);
        }

        .metric-card__icon svg {
            width: 22px;
            height: 22px;
            fill: var(--primary-deep);
        }

        .metric-card__value {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.1;
            margin-bottom: 4px;
            letter-spacing: -0.01em;
        }

        .metric-card__label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        /* ===== Service Matrix ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 122, 0, 0.35);
        }

        .service-card__icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(255, 122, 0, 0.12), rgba(255, 122, 0, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .service-card__icon svg {
            width: 26px;
            height: 26px;
            fill: var(--primary-deep);
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            flex-grow: 1;
        }

        .service-card__link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-deep);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .service-card__link:hover {
            color: var(--primary);
        }

        /* ===== Comparison table ===== */
        .comparison-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

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

        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .comparison-table thead th {
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .comparison-table thead th:first-child {
            border-radius: 0;
        }

        .comparison-table tbody tr:hover {
            background: rgba(255, 122, 0, 0.04);
        }

        .comparison-table td:first-child {
            font-weight: 600;
            color: var(--text-soft);
            white-space: nowrap;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .badge-green {
            background: rgba(0, 212, 166, 0.12);
            color: var(--accent-deep);
            border: 1px solid rgba(0, 212, 166, 0.3);
        }

        .badge-orange {
            background: rgba(255, 122, 0, 0.12);
            color: var(--primary-deep);
            border: 1px solid rgba(255, 122, 0, 0.3);
        }

        .badge-gray {
            background: rgba(122, 134, 153, 0.1);
            color: var(--text-muted);
            border: 1px solid var(--border);
        }

        /* ===== Milestone Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--primary-glow), var(--border-strong));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: var(--space-xl);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .timeline-item .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-deep);
            letter-spacing: 0.02em;
        }

        /* ===== Brand Intro ===== */
        .brand-intro {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-deep) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-3xl);
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: var(--space-3xl);
            align-items: center;
            color: #fff;
        }

        .brand-intro h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: var(--space-md);
            color: #FFFFFF;
            line-height: 1.3;
        }

        .brand-intro p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: var(--space-md);
        }

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

        .brand-intro__image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
        }

        .brand-intro__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        /* ===== News Center ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 122, 0, 0.3);
        }

        .news-card__cover {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .news-card__cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .news-card:hover .news-card__cover img {
            transform: scale(1.05);
        }

        .news-card__body {
            padding: var(--space-lg);
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card__date {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            margin-bottom: var(--space-sm);
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: var(--space-sm);
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: var(--space-md);
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-deep);
            transition: color var(--transition-fast), gap var(--transition-fast);
        }

        .btn-link:hover {
            color: var(--primary);
            gap: 8px;
        }

        .btn-link svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }

        /* ===== Platform Guarantee ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .guarantee-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-base);
        }

        .guarantee-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(0, 212, 166, 0.35);
        }

        .guarantee-card__icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 212, 166, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-md);
        }

        .guarantee-card__icon svg {
            width: 28px;
            height: 28px;
            fill: var(--accent-deep);
        }

        .guarantee-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }

        .guarantee-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* ===== Quick Answers ===== */
        .quick-answers {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .qa-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            transition: all var(--transition-base);
        }

        .qa-card:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
            border-left-color: var(--primary-deep);
        }

        .qa-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qa-card h3::before {
            content: "Q";
            font-size: 13px;
            font-weight: 800;
            color: var(--primary-deep);
            background: rgba(255, 122, 0, 0.1);
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .qa-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            padding-left: 32px;
        }

        /* ===== FAQ Accordion ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.open {
            border-color: rgba(255, 122, 0, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-item__header {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color var(--transition-fast);
        }

        .faq-item__header:hover {
            color: var(--primary-deep);
        }

        .faq-item.open .faq-item__header {
            color: var(--primary-deep);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .faq-item__icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 122, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }

        .faq-item__icon svg {
            width: 14px;
            height: 14px;
            fill: var(--primary-deep);
        }

        .faq-item.open .faq-item__icon {
            transform: rotate(180deg);
        }

        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-item__body {
            max-height: 300px;
        }

        .faq-item__body-inner {
            padding: 0 20px 20px 20px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* ===== Conversion Form ===== */
        .form-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-deep) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-3xl);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-3xl);
            align-items: center;
            color: #fff;
        }

        .form-section__info h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--space-md);
            line-height: 1.3;
        }

        .form-section__info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
        }

        .form-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
        }

        .form-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: var(--space-md);
        }

        .form-group {
            margin-bottom: var(--space-md);
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-soft);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text);
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.12);
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        .btn-submit {
            width: 100%;
            padding: 14px 24px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            box-shadow: 0 8px 24px rgba(255, 122, 0, 0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 122, 0, 0.4);
        }

        .btn-submit:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(255, 122, 0, 0.25);
        }

        .btn-submit svg {
            width: 18px;
            height: 18px;
            fill: currentColor;
        }

        .form-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: var(--space-sm);
            text-align: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary-deep);
            color: rgba(255, 255, 255, 0.72);
            padding: var(--space-3xl) 0 var(--space-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: var(--space-3xl);
            margin-bottom: var(--space-2xl);
        }

        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-md);
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .footer-brand .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 900;
            color: #fff;
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: var(--space-sm);
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.62);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--primary-glow);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-md);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.62);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--primary-glow);
        }

        .footer-links .sep {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --space-4xl: 56px;
                --space-5xl: 72px;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--space-2xl);
            }

            .hero__stats {
                grid-template-columns: repeat(4, 1fr);
            }

            .hero__stat-card .stat-value {
                font-size: 24px;
            }

            .hero__title {
                font-size: 32px;
            }

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

            .brand-intro {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .brand-intro__image img {
                min-height: 200px;
                max-height: 300px;
            }

            .form-section {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .site-footer .container {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-3xl: 40px;
                --space-4xl: 48px;
                --nav-height: 56px;
            }

            .main-nav__list {
                display: none;
            }

            .nav-actions {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-nav {
                display: flex;
            }

            .hero {
                min-height: auto;
                padding: var(--space-3xl) 0;
            }

            .hero__title {
                font-size: 26px;
            }

            .hero__desc {
                font-size: 14px;
            }

            .hero__stats {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }

            .hero__stat-card .stat-value {
                font-size: 20px;
            }

            .hero__stat-card {
                padding: var(--space-md);
            }

            .section {
                padding: var(--space-3xl) 0;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .quick-answers {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .brand-intro {
                padding: var(--space-lg);
            }

            .brand-intro h2 {
                font-size: 20px;
            }

            .form-section {
                padding: var(--space-lg);
            }

            .form-section__info h2 {
                font-size: 20px;
            }

            .form-card {
                padding: var(--space-md);
            }

            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 12px;
            }

            .site-footer .container {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }

            .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            :root {
                --space-2xl: 32px;
                --space-3xl: 32px;
                --space-4xl: 40px;
            }

            .container {
                padding: 0 var(--space-md);
            }

            .hero__title {
                font-size: 22px;
            }

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

            .hero__stat-card .stat-value {
                font-size: 18px;
            }

            .hero__stat-card .stat-label {
                font-size: 11px;
            }

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

            .section-header h2 {
                font-size: 20px;
            }

            .news-card__cover {
                height: 160px;
            }

            .timeline {
                padding-left: 24px;
            }

            .timeline-item::before {
                left: -20px;
                width: 12px;
                height: 12px;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #FF7A00;
  --primary-deep: #E5640C;
  --primary-glow: #FFB84D;
  --secondary: #1B2A3A;
  --secondary-deep: #111E2A;
  --accent: #00D4A6;
  --accent-deep: #00B894;
  --bg: #F5F6F8;
  --bg-card: #FFFFFF;
  --text: #1A1F26;
  --text-soft: #4A5568;
  --text-muted: #7A8699;
  --border: #E4E7ED;
  --border-strong: #D1D5DC;
  --shadow-sm: 0 2px 8px rgba(17, 30, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(17, 30, 42, 0.1);
  --shadow-lg: 0 16px 48px rgba(17, 30, 42, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 40px;
  --space-3xl: 56px;
  --space-4xl: 72px;
  --space-5xl: 96px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --nav-height: 64px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  outline: none;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--secondary-deep);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
  height: var(--nav-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-lg);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.main-nav__list li {
  position: relative;
}

.main-nav__list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.main-nav__list a:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.main-nav__list a.active {
  color: #FFFFFF;
  background: rgba(255, 122, 0, 0.25);
  font-weight: 600;
}

.main-nav__list a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.nav-tools a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.nav-tools .divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 var(--space-xs);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

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

/* ===== Main ===== */
main {
  min-height: calc(100vh - var(--nav-height));
}

.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section--tight {
  padding: var(--space-3xl) 0;
}

/* ===== 分类页头 ===== */
.category-header {
  background: linear-gradient(135deg, var(--secondary-deep) 0%, #1F3145 60%, #2A4258 100%);
  color: #fff;
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}

.category-header__content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.category-header__title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-sm);
  color: #fff;
}

.category-header__desc {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 680px;
}

.category-header__badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.badge-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

.badge-stat .num {
  color: var(--primary-glow);
  font-weight: 800;
}

/* ===== 筛选标签栏 ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding: var(--space-md) 0;
}

.filter-bar__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  margin-right: var(--space-xs);
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255, 122, 0, 0.04);
}

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

/* ===== 攻略卡片网格 ===== */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.guide-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.guide-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--secondary);
  position: relative;
}

.guide-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.guide-card:hover .guide-card__img img {
  transform: scale(1.03);
}

.guide-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: rgba(17, 30, 42, 0.75);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
}

.guide-card__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.guide-card__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
  transition: color var(--transition-fast);
}

.guide-card:hover .guide-card__title {
  color: var(--primary-deep);
}

.guide-card__summary {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  flex: 1;
}

.guide-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.btn-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 6px 0;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-read:hover {
  color: var(--primary-deep);
  gap: 10px;
}

/* ===== 热门攻略排行 ===== */
.ranking-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.ranking-item:hover {
  background: rgba(255, 122, 0, 0.04);
}

.ranking-item__num {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  background: var(--secondary);
}

.ranking-item:nth-child(1) .ranking-item__num {
  background: var(--primary);
}

.ranking-item:nth-child(2) .ranking-item__num {
  background: #F59E0B;
}

.ranking-item:nth-child(3) .ranking-item__num {
  background: #64748B;
}

.ranking-item__content {
  flex: 1;
  min-width: 0;
}

.ranking-item__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ranking-item__meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.ranking-item__arrow {
  color: var(--text-muted);
  font-size: 18px;
  flex-shrink: 0;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.ranking-item:hover .ranking-item__arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* ===== 版本强势英雄 ===== */
.heroes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.hero-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.hero-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.hero-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.hero-card__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.hero-card__tier {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(255, 122, 0, 0.12);
  color: var(--primary-deep);
  border: 1px solid rgba(255, 122, 0, 0.25);
}

.hero-card__role {
  font-size: 13px;
  color: var(--text-muted);
}

.hero-card__build {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.build-item {
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-soft);
  font-weight: 500;
  white-space: nowrap;
}

.hero-card__tip {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ===== 攻略专题 ===== */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.topic-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.topic-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--secondary);
}

.topic-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.topic-card:hover .topic-card__img img {
  transform: scale(1.04);
}

.topic-card__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.topic-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.topic-card__desc {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  flex: 1;
}

/* ===== 订阅 CTA ===== */
.subscribe-card {
  background: linear-gradient(135deg, var(--secondary-deep) 0%, #1F3145 60%, #2A4258 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
  color: #fff;
}

.subscribe-card__content {
  flex: 1;
  min-width: 280px;
}

.subscribe-card__title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  color: #fff;
}

.subscribe-card__desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.subscribe-form {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  min-width: 280px;
}

.subscribe-form input {
  flex: 1;
  min-width: 200px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 15px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.subscribe-form input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  border: none;
}

.btn-primary:hover {
  background: var(--primary-deep);
  box-shadow: 0 8px 20px rgba(255, 122, 0, 0.35);
  transform: translateY(-2px);
}

.btn-primary:focus-visible {
  outline: 3px solid var(--primary-glow);
  outline-offset: 2px;
}

/* ===== FAQ ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-item:focus-within {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  transition: color var(--transition-fast);
}

.faq-item summary:hover {
  color: var(--primary-deep);
}

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

.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  transition: all var(--transition-base);
}

.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
  background: rgba(255, 122, 0, 0.12);
  color: var(--primary);
}

.faq-item[open] {
  border-left: 4px solid var(--primary);
}

.faq-item .faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--secondary-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer .container:first-child {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-md);
}

.footer-brand .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  max-width: 420px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-md);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-fast);
}

.footer-col ul a:hover {
  color: var(--primary-glow);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-glow);
}

.footer-links .sep {
  color: rgba(255, 255, 255, 0.25);
}

/* ===== 通用标题 ===== */
.section-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.01em;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 680px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.section-header .btn-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 0;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.section-header .btn-link:hover {
  color: var(--primary-deep);
  gap: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .guides-grid,
  .heroes-grid,
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .site-footer .container:first-child {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
    --space-4xl: 56px;
    --space-5xl: 72px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--secondary-deep);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-xs);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }
  
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .main-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }
  
  .main-nav__list a {
    padding: 12px 14px;
    font-size: 15px;
  }
  
  .main-nav__list a.active::after {
    display: none;
  }
  
  .nav-tools {
    display: none;
  }
  
  .category-header__content {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .category-header__badges {
    width: 100%;
  }
  
  .guides-grid,
  .heroes-grid,
  .topics-grid {
    grid-template-columns: 1fr;
  }
  
  .site-footer .container:first-child {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .subscribe-card {
    flex-direction: column;
    align-items: stretch;
  }
  
  .subscribe-form {
    width: 100%;
  }
  
  .subscribe-form input {
    min-width: 100%;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

@media (max-width: 520px) {
  :root {
    --space-2xl: 32px;
    --space-3xl: 32px;
    --space-4xl: 40px;
    --space-lg: 16px;
  }
  
  .category-header__title {
    font-size: 26px;
  }
  
  .section-title {
    font-size: 20px;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  
  .filter-chip {
    font-size: 13px;
    padding: 6px 14px;
  }
  
  .guide-card__body,
  .topic-card__body,
  .hero-card {
    padding: var(--space-md);
  }
}

/* roulang page: category1 */
:root {
  --primary: #FF7A00;
  --primary-deep: #E5640C;
  --primary-glow: #FFB84D;
  --secondary: #1B2A3A;
  --secondary-deep: #111E2A;
  --accent: #00D4A6;
  --accent-deep: #00B894;
  --bg: #F5F6F8;
  --bg-card: #FFFFFF;
  --text: #1A1F26;
  --text-soft: #4A5568;
  --text-muted: #7A8699;
  --border: #E4E7ED;
  --border-strong: #D1D5DC;
  --shadow-sm: 0 2px 8px rgba(17, 30, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(17, 30, 42, 0.1);
  --shadow-lg: 0 16px 48px rgba(17, 30, 42, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 40px;
  --space-3xl: 56px;
  --space-4xl: 72px;
  --space-5xl: 96px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --nav-height: 64px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing: border-box;
}
*, *::before, *::after {
  box-sizing: inherit;
}
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  outline: none;
  border: none;
  background: none;
}
button { cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0 0 1em; }
h1:last-child, h2:last-child, h3:last-child, h4:last-child, p:last-child { margin-bottom: 0; }
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--secondary-deep);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
  height: var(--nav-height);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-lg);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}
.logo .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.main-nav__list li { position: relative; }
.main-nav__list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.main-nav__list a:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}
.main-nav__list a.active {
  color: #FFFFFF;
  background: rgba(255, 122, 0, 0.25);
  font-weight: 600;
}
.main-nav__list a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px 1px 0 0;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}
.nav-actions a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.nav-actions a:hover {
  color: #FFFFFF;
  border-color: rgba(255, 122, 0, 0.6);
  background: rgba(255, 122, 0, 0.15);
}
.nav-actions a:focus-visible {
  outline: 2px solid var(--primary-glow);
  outline-offset: 2px;
}
.nav-actions .divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.25);
  margin: 0 var(--space-xs);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: all var(--transition-base);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Category Page Header ===== */
.category-header {
  background: linear-gradient(180deg, #F0F1F4 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: var(--space-lg) 0 var(--space-xl);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--text-soft);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover { color: var(--primary-deep); }
.breadcrumb .sep {
  color: var(--text-muted);
  font-size: 12px;
}
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
}
.category-header__grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}
.category-header__content {
  flex: 1;
  min-width: 280px;
}
.category-header h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.01em;
}
.category-header .category-desc {
  font-size: 15px;
  color: var(--text-soft);
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: var(--space-md);
}
.category-badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
}
.category-badges .badge-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
.category-badges .badge-stat:hover {
  border-color: var(--primary);
  color: var(--primary-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.category-badges .badge-stat .num {
  font-weight: 700;
  color: var(--primary-deep);
  font-size: 15px;
}
.category-header__visual {
  flex-shrink: 0;
  width: 200px;
  height: 120px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.category-header__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Filter Tags ===== */
.filter-section {
  margin-top: var(--space-lg);
}
.filter-section .filter-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.filter-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.filter-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}
.filter-tag:hover {
  border-color: var(--primary);
  color: var(--primary-deep);
  box-shadow: var(--shadow-sm);
}
.filter-tag:focus-visible {
  outline: 2px solid var(--primary-glow);
  outline-offset: 2px;
}
.filter-tag.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(255, 122, 0, 0.35);
}

/* ===== Schedule Card Grid ===== */
.schedule-section {
  padding: var(--space-xl) 0 var(--space-3xl);
}
.schedule-section .section-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
  flex-wrap: wrap;
}
.schedule-section .section-top h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.schedule-section .section-top .result-count {
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.schedule-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}
.schedule-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-glow);
}
.schedule-card:focus-within {
  outline: 2px solid var(--primary-glow);
  outline-offset: 3px;
}
.schedule-card__cover {
  position: relative;
  width: 100%;
  height: 170px;
  overflow: hidden;
  background: linear-gradient(135deg, #E8EAF0 0%, #D5D9E2 100%);
}
.schedule-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.schedule-card:hover .schedule-card__cover img {
  transform: scale(1.04);
}
.schedule-card__cover .cover-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border-radius: var(--radius-pill);
  letter-spacing: 0.03em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}
.schedule-card__cover .cover-tag.tag-lpl { background: #E0182E; }
.schedule-card__cover .cover-tag.tag-kpl { background: #7B3FF2; }
.schedule-card__cover .cover-tag.tag-pel { background: #00A8DF; }
.schedule-card__cover .cover-tag.tag-vct { background: #FF4655; }
.schedule-card__cover .cover-tag.tag-wrl { background: #00B894; }
.schedule-card__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  flex: 1;
}
.schedule-card__date {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.01em;
}
.schedule-card__date .date-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: #fff;
  flex-shrink: 0;
}
.schedule-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  margin: 0;
}
.schedule-card h3 a {
  transition: color var(--transition-fast);
}
.schedule-card h3 a:hover {
  color: var(--primary-deep);
}
.schedule-card .matchup {
  font-size: 14px;
  color: var(--text-soft);
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
}
.schedule-card .summary {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  margin: 0;
}
.schedule-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}
.schedule-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-deep);
  transition: all var(--transition-fast);
}
.schedule-card .read-more:hover {
  color: var(--primary);
  gap: 8px;
}
.schedule-card .read-more:focus-visible {
  outline: 2px solid var(--primary-glow);
  outline-offset: 2px;
  border-radius: 2px;
}
.schedule-card .status-label {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.schedule-card .status-label.live {
  background: #FFF0E6;
  color: var(--primary-deep);
  border-color: var(--primary-glow);
  font-weight: 600;
}
.schedule-card .status-label.upcoming {
  background: #E8FBF5;
  color: var(--accent-deep);
  border-color: #B2EDDD;
}

/* ===== Hot Ranking Section ===== */
.hot-ranking-section {
  padding: var(--space-3xl) 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.hot-ranking-section .section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.hot-ranking-section .section-header .icon-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(255, 122, 0, 0.3);
}
.hot-ranking-section .section-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.hot-ranking-section .section-header p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  margin-left: auto;
}
.ranking-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
.ranking-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
}
.ranking-item:hover {
  border-color: var(--primary-glow);
  box-shadow: var(--shadow-sm);
  transform: translateX(2px);
}
.ranking-item .rank {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
  background: var(--text-muted);
  color: #fff;
}
.ranking-item .rank.top1 { background: #FFD700; color: #1A1F26; }
.ranking-item .rank.top2 { background: #C0C0C0; color: #1A1F26; }
.ranking-item .rank.top3 { background: #CD7F32; color: #fff; }
.ranking-item .rank-info {
  flex: 1;
  min-width: 0;
}
.ranking-item .rank-info .match-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.ranking-item .rank-info .match-desc {
  font-size: 13px;
  color: var(--text-muted);
}
.ranking-item .rank-score {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-deep);
  flex-shrink: 0;
}

/* ===== Update Notice Section ===== */
.update-notice-section {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, #FFF8F0 0%, #FFFDF8 100%);
  border-bottom: 1px solid var(--border);
}
.update-notice-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.update-notice-card .notice-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #E8FBF5 0%, #D1F7EC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-deep);
  flex-shrink: 0;
}
.update-notice-card .notice-content {
  flex: 1;
  min-width: 260px;
}
.update-notice-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-xs);
}
.update-notice-card p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  margin: 0;
}
.update-notice-card .notice-time {
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== Subscribe CTA Section ===== */
.subscribe-section {
  padding: var(--space-3xl) 0 var(--space-4xl);
}
.subscribe-card {
  background: linear-gradient(135deg, var(--secondary-deep) 0%, var(--secondary) 60%, #2A3B4E 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-3xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.subscribe-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.subscribe-card > * {
  position: relative;
  z-index: 1;
}
.subscribe-card .subscribe-content {
  flex: 1;
  min-width: 280px;
}
.subscribe-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: var(--space-sm);
  line-height: 1.35;
}
.subscribe-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin: 0;
  max-width: 520px;
}
.subscribe-card .subscribe-form {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  align-items: center;
  flex-shrink: 0;
}
.subscribe-card .subscribe-form input {
  min-width: 260px;
  padding: 13px 20px;
  font-size: 14px;
  color: var(--text);
  background: #FFFFFF;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.subscribe-card .subscribe-form input:focus {
  border-color: var(--primary-glow);
  outline: none;
  box-shadow: 0 4px 20px rgba(255, 122, 0, 0.35);
}
.subscribe-card .subscribe-form input::placeholder {
  color: var(--text-muted);
  font-size: 13px;
}
.subscribe-card .btn-primary {
  padding: 13px 28px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(255, 122, 0, 0.35);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.subscribe-card .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 122, 0, 0.5);
  background: linear-gradient(135deg, #FF8A20 0%, #D84F00 100%);
}
.subscribe-card .btn-primary:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}
.subscribe-card .btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(255, 122, 0, 0.25);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--secondary-deep);
  color: #FFFFFF;
  padding: var(--space-3xl) 0 var(--space-lg);
  margin-top: 0;
}
.site-footer .container {
  display: flex;
  gap: var(--space-3xl);
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
}
.site-footer .container + .container {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.footer-brand .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
}
.footer-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
  line-height: 1.7;
  margin-top: var(--space-md);
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-md);
  letter-spacing: 0.02em;
}
.footer-col ul li {
  margin-bottom: var(--space-sm);
}
.footer-col ul li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-fast);
}
.footer-col ul li a:hover {
  color: #FFFFFF;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.footer-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: #FFFFFF;
}
.footer-links .sep {
  color: rgba(255, 255, 255, 0.25);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .schedule-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-header h1 {
    font-size: 26px;
  }
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .main-nav.open {
    display: flex;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--secondary-deep);
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }
  .main-nav__list {
    flex-direction: column;
    width: 100%;
    gap: var(--space-xs);
  }
  .main-nav__list li,
  .main-nav__list li a {
    width: 100%;
  }
  .main-nav__list a {
    padding: 12px 16px;
    font-size: 15px;
  }
  .nav-actions {
    display: none;
  }
  .nav-actions.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(var(--nav-height) + 260px);
    left: var(--space-lg);
    right: var(--space-lg);
    gap: var(--space-md);
    z-index: 999;
  }
  .nav-actions .divider {
    display: none;
  }
  .nav-actions a {
    justify-content: center;
    padding: 12px 16px;
    font-size: 14px;
  }
  .nav-toggle {
    display: flex;
  }
  .schedule-grid {
    grid-template-columns: 1fr;
  }
  .category-header__grid {
    flex-direction: column;
  }
  .category-header__visual {
    width: 100%;
    height: 160px;
  }
  .category-header h1 {
    font-size: 24px;
  }
  .subscribe-card {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl);
  }
  .subscribe-card .subscribe-form {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .subscribe-card .subscribe-form input {
    min-width: 100%;
  }
  .site-footer .container {
    flex-direction: column;
    gap: var(--space-xl);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 var(--space-md);
  }
  .category-header {
    padding: var(--space-md) 0 var(--space-lg);
  }
  .category-header h1 {
    font-size: 22px;
  }
  .category-badges .badge-stat {
    padding: 5px 10px;
    font-size: 12px;
  }
  .schedule-section {
    padding: var(--space-lg) 0 var(--space-2xl);
  }
  .schedule-card__cover {
    height: 150px;
  }
  .schedule-card__body {
    padding: var(--space-md);
  }
  .schedule-card h3 {
    font-size: 16px;
  }
  .subscribe-card {
    padding: var(--space-lg);
  }
  .subscribe-card h3 {
    font-size: 20px;
  }
  .ranking-item {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  .update-notice-card {
    padding: var(--space-lg);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  .update-notice-card .notice-time {
    align-self: flex-start;
  }
}

/* roulang page: category2 */
:root {
      --primary: #FF7A00;
      --primary-deep: #E5640C;
      --primary-glow: #FFB84D;
      --secondary: #1B2A3A;
      --secondary-deep: #111E2A;
      --accent: #00D4A6;
      --accent-deep: #00B894;
      --bg: #F5F6F8;
      --bg-card: #FFFFFF;
      --text: #1A1F26;
      --text-soft: #4A5568;
      --text-muted: #7A8699;
      --border: #E4E7ED;
      --border-strong: #D1D5DC;
      --shadow-sm: 0 2px 8px rgba(17, 30, 42, 0.06);
      --shadow-md: 0 8px 24px rgba(17, 30, 42, 0.1);
      --shadow-lg: 0 16px 48px rgba(17, 30, 42, 0.16);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 24px;
      --radius-pill: 999px;
      --space-xs: 4px;
      --space-sm: 8px;
      --space-md: 16px;
      --space-lg: 24px;
      --space-xl: 32px;
      --space-2xl: 40px;
      --space-3xl: 56px;
      --space-4xl: 72px;
      --space-5xl: 96px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
      --max-width: 1200px;
      --nav-height: 64px;
      --transition-fast: 150ms ease;
      --transition-base: 250ms ease;
      --transition-slow: 400ms ease;
    }
    :root {
      --space-4xl: 56px;
      --space-5xl: 72px;
    }
    :root {
      --space-3xl: 40px;
      --space-4xl: 48px;
      --nav-height: 56px;
    }
    :root {
      --space-2xl: 32px;
      --space-3xl: 32px;
      --space-4xl: 40px;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-sans);
      font-size: 15px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      min-height: 100vh;
      overflow-x: hidden;
    }
    img {
      display: block;
      max-width: 100%;
      height: auto;
      border: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
      outline: none;
      border: none;
      background: none;
    }
    button {
      cursor: pointer;
    }
    ul,
    ol {
      list-style: none;
    }
    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 var(--space-lg);
    }

    /* ===== Header / Navigation ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--secondary-deep);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
      height: var(--nav-height);
    }
    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      gap: var(--space-lg);
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.02em;
      flex-shrink: 0;
      white-space: nowrap;
    }
    .logo .logo-icon {
      width: 32px;
      height: 32px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 900;
      color: #fff;
      flex-shrink: 0;
    }
    .logo:hover {
      color: #FFFFFF;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
    }
    .main-nav__list {
      display: flex;
      align-items: center;
      gap: var(--space-xs);
    }
    .main-nav__list li {
      position: relative;
    }
    .main-nav__list a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.78);
      border-radius: var(--radius-sm);
      white-space: nowrap;
      letter-spacing: 0.01em;
      transition: color var(--transition-fast), background var(--transition-fast);
    }
    .main-nav__list a:hover {
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.1);
    }
    .main-nav__list a.active {
      color: #FFFFFF;
      background: rgba(255, 122, 0, 0.25);
      font-weight: 600;
    }
    .main-nav__list a.active::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: -1px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      background: rgba(255, 255, 255, 0.08);
      transition: background var(--transition-fast);
      position: relative;
      z-index: 1001;
    }
    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.16);
    }
    .nav-toggle__bar {
      display: block;
      width: 18px;
      height: 2px;
      background: #FFFFFF;
      border-radius: 2px;
      transition: transform var(--transition-base), opacity var(--transition-base);
    }
    .nav-toggle.open .nav-toggle__bar:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.open .nav-toggle__bar:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle.open .nav-toggle__bar:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-wrap {
      background: var(--bg-card);
      border-bottom: 1px solid var(--border);
      padding: var(--space-sm) 0;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 13px;
      color: var(--text-muted);
      flex-wrap: wrap;
    }
    .breadcrumb a {
      color: var(--text-soft);
      transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
      color: var(--primary-deep);
    }
    .breadcrumb .breadcrumb-sep {
      color: var(--text-muted);
      user-select: none;
    }
    .breadcrumb .breadcrumb-current {
      color: var(--text);
      font-weight: 600;
    }

    /* ===== Category Page Header ===== */
    .category-header {
      background: var(--bg-card);
      border-bottom: 1px solid var(--border);
      padding: var(--space-xl) 0 var(--space-lg);
    }
    .category-header .container {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: var(--space-lg);
      align-items: end;
    }
    .category-header__title {
      font-size: 30px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text);
      letter-spacing: 0.01em;
      margin-bottom: var(--space-sm);
    }
    .category-header__desc {
      font-size: 15px;
      color: var(--text-soft);
      line-height: 1.8;
      max-width: 680px;
    }
    .category-header__stats {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-md);
      justify-content: flex-end;
    }
    .stat-badge {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      padding: var(--space-sm) var(--space-md);
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      min-width: 90px;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .stat-badge:hover {
      border-color: var(--primary-glow);
      box-shadow: var(--shadow-sm);
    }
    .stat-badge__num {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-deep);
      line-height: 1.2;
    }
    .stat-badge__label {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 2px;
      white-space: nowrap;
    }

    /* ===== Section Base ===== */
    .section {
      padding: var(--space-3xl) 0;
    }
    .section__header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: var(--space-xl);
      gap: var(--space-md);
      flex-wrap: wrap;
    }
    .section__title {
      font-size: 22px;
      font-weight: 700;
      line-height: 1.4;
      color: var(--text);
      letter-spacing: 0.01em;
    }
    .section__note {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ===== Filter Tags ===== */
    .filter-bar {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      flex-wrap: wrap;
      padding: var(--space-md) 0;
    }
    .filter-tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-soft);
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      cursor: pointer;
      transition: all var(--transition-fast);
      user-select: none;
    }
    .filter-tag:hover {
      border-color: var(--primary-glow);
      color: var(--primary-deep);
      background: #FFF8F0;
    }
    .filter-tag.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #FFFFFF;
      font-weight: 600;
    }
    .filter-tag:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    .filter-tag:active {
      transform: scale(0.97);
    }

    /* ===== Card Grid ===== */
    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-lg);
    }
    .insight-card {
      display: flex;
      flex-direction: column;
      background: var(--bg-card);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition-base), transform var(--transition-base);
      border: 1px solid var(--border);
    }
    .insight-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
      border-color: rgba(255, 122, 0, 0.25);
    }
    .insight-card__cover {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: var(--secondary);
    }
    .insight-card__cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-slow);
    }
    .insight-card:hover .insight-card__cover img {
      transform: scale(1.04);
    }
    .insight-card__tag {
      position: absolute;
      top: var(--space-sm);
      left: var(--space-sm);
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 600;
      color: #FFFFFF;
      background: rgba(255, 122, 0, 0.88);
      border-radius: var(--radius-pill);
      letter-spacing: 0.02em;
    }
    .insight-card__body {
      display: flex;
      flex-direction: column;
      flex: 1;
      padding: var(--space-lg);
      gap: var(--space-sm);
    }
    .insight-card__title {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--text);
    }
    .insight-card__summary {
      font-size: 14px;
      color: var(--text-soft);
      line-height: 1.75;
      flex: 1;
    }
    .insight-card__meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
      padding-top: var(--space-sm);
      border-top: 1px solid var(--border);
    }
    .insight-card__btn {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-deep);
      transition: color var(--transition-fast), gap var(--transition-fast);
    }
    .insight-card__btn:hover {
      color: var(--primary);
      gap: 8px;
    }
    .insight-card__btn:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: var(--radius-sm);
    }

    /* ===== Comparison Table ===== */
    .compare-section {
      background: var(--secondary-deep);
      border-radius: var(--radius-xl);
      padding: var(--space-xl);
      color: #FFFFFF;
      overflow: hidden;
    }
    .compare-section .section__title {
      color: #FFFFFF;
    }
    .compare-section .section__note {
      color: rgba(255, 255, 255, 0.6);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
      min-width: 600px;
    }
    .compare-table th {
      padding: 12px 14px;
      text-align: left;
      font-size: 13px;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.7);
      border-bottom: 1px solid rgba(255, 255, 255, 0.15);
      white-space: nowrap;
    }
    .compare-table td {
      padding: 12px 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      color: rgba(255, 255, 255, 0.9);
      white-space: nowrap;
    }
    .compare-table tr:hover td {
      background: rgba(255, 255, 255, 0.06);
    }
    .compare-table .team-name {
      font-weight: 600;
      color: #FFFFFF;
    }
    .trend-up {
      color: var(--accent) !important;
      font-weight: 600;
    }
    .trend-down {
      color: #FF6B6B !important;
      font-weight: 600;
    }
    .table-scroll {
      overflow-x: auto;
      margin-top: var(--space-md);
      border-radius: var(--radius-sm);
    }
    .compare-table a {
      color: var(--primary-glow);
      transition: color var(--transition-fast);
    }
    .compare-table a:hover {
      color: var(--primary);
    }

    /* ===== Timeline ===== */
    .timeline-section {
      background: var(--bg-card);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .timeline {
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
      padding-left: 0;
    }
    .timeline__item {
      display: grid;
      grid-template-columns: 80px 1fr;
      gap: var(--space-lg);
      position: relative;
      padding-bottom: var(--space-xl);
    }
    .timeline__item::before {
      content: "";
      position: absolute;
      left: 7px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--border);
      border-radius: 2px;
    }
    .timeline__item:last-child {
      padding-bottom: 0;
    }
    .timeline__item:last-child::before {
      display: none;
    }
    .timeline__date {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-deep);
      padding-top: 2px;
      position: relative;
      z-index: 1;
      background: var(--bg-card);
    }
    .timeline__dot {
      position: absolute;
      left: 2px;
      top: 6px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 3px solid var(--bg-card);
      box-shadow: 0 0 0 2px var(--primary-glow);
      z-index: 1;
    }
    .timeline__content {
      position: relative;
      z-index: 1;
      background: var(--bg-card);
      padding: var(--space-sm) 0;
    }
    .timeline__title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 4px;
    }
    .timeline__desc {
      font-size: 13px;
      color: var(--text-soft);
      line-height: 1.7;
    }

    /* ===== Player Cards ===== */
    .player-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--space-md);
    }
    .player-card {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: var(--space-lg) var(--space-md);
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      transition: box-shadow var(--transition-base), transform var(--transition-base);
    }
    .player-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
      border-color: rgba(255, 122, 0, 0.2);
    }
    .player-card__avatar {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-glow) 0%, var(--primary) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 26px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: var(--space-sm);
      flex-shrink: 0;
    }
    .player-card__name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text);
    }
    .player-card__team {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: var(--space-sm);
    }
    .player-card__stats {
      display: flex;
      gap: var(--space-md);
      font-size: 12px;
      color: var(--text-soft);
    }
    .player-card__stats span {
      display: flex;
      flex-direction: column;
      font-weight: 600;
    }
    .player-card__stats b {
      font-size: 15px;
      color: var(--primary-deep);
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--bg);
    }
    .faq-list {
      max-width: 780px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: var(--space-sm);
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .faq-item:hover {
      border-color: var(--border-strong);
    }
    .faq-item.open {
      border-color: var(--primary-glow);
      box-shadow: var(--shadow-sm);
    }
    .faq-item__question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: var(--space-md) var(--space-lg);
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      text-align: left;
      gap: var(--space-md);
      transition: color var(--transition-fast);
      cursor: pointer;
    }
    .faq-item__question:hover {
      color: var(--primary-deep);
    }
    .faq-item__icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--bg);
      color: var(--text-muted);
      font-size: 16px;
      flex-shrink: 0;
      transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-base);
    }
    .faq-item.open .faq-item__icon {
      background: var(--primary);
      color: #FFFFFF;
      transform: rotate(45deg);
    }
    .faq-item__answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition-slow);
    }
    .faq-item.open .faq-item__answer {
      max-height: 300px;
    }
    .faq-item__answer-inner {
      padding: 0 var(--space-lg) var(--space-md);
      font-size: 13px;
      color: var(--text-soft);
      line-height: 1.8;
      border-left: 3px solid var(--primary);
      margin-left: var(--space-lg);
      padding-left: var(--space-md);
    }

    /* ===== Form CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, var(--secondary-deep) 0%, var(--secondary) 60%, #1E3448 100%);
      padding: var(--space-4xl) 0;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      top: -80px;
      right: -80px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 122, 0, 0.35) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-section::after {
      content: "";
      position: absolute;
      bottom: -60px;
      left: -40px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 212, 166, 0.25) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-panel {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-3xl);
      align-items: center;
      max-width: 900px;
      margin: 0 auto;
    }
    .cta-panel__info h2 {
      font-size: 24px;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.45;
      margin-bottom: var(--space-md);
    }
    .cta-panel__info p {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.75);
      line-height: 1.8;
    }
    .cta-form {
      display: flex;
      flex-direction: column;
      gap: var(--space-md);
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: var(--space-xl);
      backdrop-filter: blur(8px);
    }
    .cta-form input,
    .cta-form select {
      width: 100%;
      padding: 10px 14px;
      font-size: 14px;
      color: var(--text);
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: var(--radius-sm);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .cta-form input::placeholder {
      color: var(--text-muted);
    }
    .cta-form input:focus,
    .cta-form select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.25);
    }
    .cta-form .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 20px;
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: box-shadow var(--transition-fast), transform var(--transition-fast);
      letter-spacing: 0.02em;
    }
    .cta-form .btn-primary:hover {
      box-shadow: 0 8px 20px rgba(255, 122, 0, 0.4);
      transform: translateY(-2px);
    }
    .cta-form .btn-primary:focus-visible {
      outline: 2px solid var(--primary-glow);
      outline-offset: 2px;
    }
    .cta-form .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 4px 10px rgba(255, 122, 0, 0.3);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--secondary-deep);
      color: rgba(255, 255, 255, 0.8);
      padding: var(--space-4xl) 0 var(--space-lg);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .site-footer .container {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: var(--space-3xl);
      padding-bottom: var(--space-lg);
    }
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: var(--space-sm);
    }
    .footer-brand .logo-icon {
      width: 32px;
      height: 32px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 900;
      color: #fff;
    }
    .footer-desc {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      line-height: 1.8;
      max-width: 320px;
    }
    .footer-col h4 {
      font-size: 14px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: var(--space-sm);
      letter-spacing: 0.02em;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .footer-col ul a {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.65);
      transition: color var(--transition-fast);
    }
    .footer-col ul a:hover {
      color: var(--primary-glow);
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: var(--space-sm);
      padding-top: var(--space-md);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-bottom .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: var(--space-sm);
      width: 100%;
      padding: 0;
      grid-template-columns: none;
    }
    .footer-bottom span {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.55);
    }
    .footer-links {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 13px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.7);
      transition: color var(--transition-fast);
    }
    .footer-links a:hover {
      color: var(--primary-glow);
    }
    .footer-links .sep {
      color: rgba(255, 255, 255, 0.3);
      font-size: 12px;
    }
    .site-footer > .container:last-child {
      display: block;
      padding-bottom: 0;
      padding-top: 0;
    }

    /* ===== Buttons (shared) ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 18px;
      font-size: 14px;
      font-weight: 600;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: box-shadow var(--transition-fast), transform var(--transition-fast);
      letter-spacing: 0.01em;
      border: none;
    }
    .btn-primary:hover {
      box-shadow: 0 8px 20px rgba(255, 122, 0, 0.4);
      transform: translateY(-2px);
    }
    .btn-primary:focus-visible {
      outline: 2px solid var(--primary-deep);
      outline-offset: 2px;
    }
    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 4px 10px rgba(255, 122, 0, 0.3);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .player-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .category-header .container {
        grid-template-columns: 1fr;
        gap: var(--space-md);
      }
      .category-header__stats {
        justify-content: flex-start;
      }
    }
    @media (max-width: 768px) {
      :root {
        --nav-height: 56px;
        --space-3xl: 40px;
        --space-4xl: 48px;
      }
      .main-nav__list {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--secondary-deep);
        padding: var(--space-md) var(--space-lg);
        gap: var(--space-xs);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: var(--shadow-lg);
        z-index: 999;
      }
      .main-nav__list.open {
        display: flex;
      }
      .main-nav__list a {
        width: 100%;
        padding: 10px 14px;
        font-size: 15px;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .card-grid {
        grid-template-columns: 1fr;
      }
      .player-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-panel {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
      }
      .site-footer .container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
      }
      .category-header__title {
        font-size: 24px;
      }
      .section__title {
        font-size: 19px;
      }
      .compare-section {
        padding: var(--space-lg);
      }
      .timeline__item {
        grid-template-columns: 60px 1fr;
        gap: var(--space-md);
      }
    }
    @media (max-width: 520px) {
      :root {
        --space-2xl: 24px;
        --space-3xl: 28px;
        --space-4xl: 32px;
        --space-lg: 16px;
      }
      .container {
        padding: 0 var(--space-md);
      }
      .player-grid {
        grid-template-columns: 1fr;
      }
      .stat-badge {
        min-width: 70px;
        padding: var(--space-sm) var(--space-sm);
      }
      .stat-badge__num {
        font-size: 17px;
      }
      .stat-badge__label {
        font-size: 11px;
      }
      .filter-bar {
        gap: 6px;
      }
      .filter-tag {
        padding: 5px 12px;
        font-size: 12px;
      }
      .category-header__title {
        font-size: 22px;
      }
      .timeline__item {
        grid-template-columns: 48px 1fr;
        gap: var(--space-sm);
      }
      .timeline__date {
        font-size: 11px;
      }
      .cta-form {
        padding: var(--space-md);
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
      }
    }
    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

/* roulang page: category4 */
:root {
            --primary: #FF7A00;
            --primary-deep: #E5640C;
            --primary-glow: #FFB84D;
            --secondary: #1B2A3A;
            --secondary-deep: #111E2A;
            --accent: #00D4A6;
            --accent-deep: #00B894;
            --bg: #F5F6F8;
            --bg-card: #FFFFFF;
            --text: #1A1F26;
            --text-soft: #4A5568;
            --text-muted: #7A8699;
            --border: #E4E7ED;
            --border-strong: #D1D5DC;
            --shadow-sm: 0 2px 8px rgba(17, 30, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(17, 30, 42, 0.1);
            --shadow-lg: 0 16px 48px rgba(17, 30, 42, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 40px;
            --space-3xl: 56px;
            --space-4xl: 72px;
            --space-5xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 64px;
            --transition-fast: 150ms ease;
            --transition-base: 250ms ease;
            --transition-slow: 400ms ease;
        }
        @media (max-width: 1024px) {
            :root {
                --space-4xl: 56px;
                --space-5xl: 72px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-3xl: 40px;
                --space-4xl: 48px;
                --nav-height: 56px;
            }
        }
        @media (max-width: 480px) {
            :root {
                --space-2xl: 32px;
                --space-3xl: 32px;
                --space-4xl: 40px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-base);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--secondary-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
            height: var(--nav-height);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-lg);
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        .main-nav__list {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .main-nav__list li {
            position: relative;
        }
        .main-nav__list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .main-nav__list a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav__list a.active {
            color: #FFFFFF;
            background: rgba(255, 122, 0, 0.25);
            font-weight: 600;
        }
        .main-nav__list a.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: -1px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }
        .nav-actions a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.16);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-actions a:hover {
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-actions a:focus-visible {
            outline: 2px solid var(--primary-glow);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .main-nav__list a:focus-visible {
            outline: 2px solid var(--primary-glow);
            outline-offset: 2px;
        }

        @media (max-width: 1024px) {
            .nav-actions {
                gap: var(--space-xs);
            }
            .nav-actions a {
                padding: 6px 10px;
                font-size: 12px;
            }
            .main-nav__list a {
                padding: 8px 10px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--secondary-deep);
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-md) var(--space-lg);
                gap: var(--space-xs);
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: transform var(--transition-base), opacity var(--transition-base);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav__list {
                flex-direction: column;
                align-items: stretch;
                gap: var(--space-xs);
            }
            .main-nav__list a {
                padding: 12px 14px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }
            .main-nav__list a.active::after {
                display: none;
            }
            .nav-actions {
                flex-direction: row;
                flex-wrap: wrap;
                gap: var(--space-sm);
                padding-top: var(--space-sm);
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-actions a {
                flex: 1;
                justify-content: center;
                padding: 10px 12px;
                font-size: 13px;
            }
        }

        /* ===== Category Page Header ===== */
        .category-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: var(--space-lg) 0 var(--space-xl);
        }
        .breadcrumb-wrap {
            margin-bottom: var(--space-md);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            color: var(--border-strong);
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary-deep);
        }
        .breadcrumb li:last-child {
            color: var(--text);
            font-weight: 500;
        }
        .category-header__main {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: var(--space-xl);
            flex-wrap: wrap;
        }
        .category-header__title-wrap {
            max-width: 700px;
        }
        .category-header h1 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 var(--space-sm);
            line-height: 1.35;
            letter-spacing: 0.01em;
        }
        .category-header__desc {
            font-size: 15px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.8;
        }
        .category-stats {
            display: flex;
            gap: var(--space-lg);
            flex-shrink: 0;
            align-items: center;
            flex-wrap: wrap;
        }
        .stat-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: var(--space-md) var(--space-lg);
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            min-width: 80px;
            transition: all var(--transition-fast);
        }
        .stat-badge:hover {
            border-color: var(--primary-glow);
            box-shadow: var(--shadow-sm);
        }
        .stat-badge__num {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1.2;
        }
        .stat-badge__label {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .category-header {
                padding: var(--space-md) 0 var(--space-lg);
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-header__main {
                flex-direction: column;
                gap: var(--space-md);
            }
            .category-stats {
                gap: var(--space-sm);
                width: 100%;
            }
            .stat-badge {
                flex: 1;
                padding: var(--space-sm) var(--space-md);
                min-width: 0;
            }
            .stat-badge__num {
                font-size: 18px;
            }
        }

        /* ===== Section Common ===== */
        section {
            padding: var(--space-3xl) 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--space-lg);
            margin-bottom: var(--space-xl);
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }
        .section-head .section-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin: var(--space-xs) 0 0;
            line-height: 1.7;
        }
        .section-head .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-deep);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }
        .section-head .section-link:hover {
            color: var(--primary);
        }

        /* ===== Filter Section ===== */
        .filter-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: var(--space-md) 0;
            position: sticky;
            top: var(--nav-height);
            z-index: 100;
        }
        .filter-section .container {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-soft);
            white-space: nowrap;
        }
        .filter-tags {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }
        .filter-tag {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary-glow);
            color: var(--primary-deep);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            font-weight: 600;
        }
        .filter-tag:focus-visible,
        .filter-tag.active:focus-visible {
            outline: 2px solid var(--primary-glow);
            outline-offset: 2px;
        }
        .filter-search {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        .filter-search input {
            width: 200px;
            padding: 8px 14px;
            font-size: 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            color: var(--text);
            transition: all var(--transition-fast);
        }
        .filter-search input:focus {
            border-color: var(--primary-glow);
            box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.12);
            background: #FFFFFF;
        }
        .filter-search button {
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--primary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .filter-search button:hover {
            background: var(--primary-deep);
            box-shadow: var(--shadow-sm);
        }

        @media (max-width: 768px) {
            .filter-section .container {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
            }
            .filter-search {
                margin-left: 0;
                width: 100%;
            }
            .filter-search input {
                flex: 1;
                width: auto;
            }
        }

        /* ===== Activity Cards ===== */
        .activity-grid {
            background: transparent;
        }
        .activity-grid .row {
            --bs-gutter-y: 24px;
        }
        .activity-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .activity-card__cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg);
        }
        .activity-card__cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .activity-card:hover .activity-card__cover img {
            transform: scale(1.04);
        }
        .activity-card__badge {
            position: absolute;
            top: var(--space-sm);
            left: var(--space-sm);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--primary);
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .activity-card__body {
            padding: var(--space-lg);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            flex: 1;
        }
        .activity-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.5;
        }
        .activity-card__desc {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.75;
            flex: 1;
        }
        .activity-card__meta {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: var(--space-sm);
        }
        .activity-card__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .activity-card__btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-deep);
            background: #FFF5EE;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .activity-card__btn:hover {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }
        .activity-card__btn:focus-visible {
            outline: 2px solid var(--primary-glow);
            outline-offset: 2px;
        }

        @media (max-width: 480px) {
            .activity-card__body {
                padding: var(--space-md);
            }
            .activity-card__title {
                font-size: 15px;
            }
            .activity-card__desc {
                font-size: 13px;
            }
        }

        /* ===== Hot Topics ===== */
        .hot-topics {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .topic-item {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            padding: var(--space-md) var(--space-lg);
            border-bottom: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .topic-item:last-child {
            border-bottom: none;
        }
        .topic-item:hover {
            background: var(--bg);
            border-radius: var(--radius-md);
        }
        .topic-rank {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-muted);
            width: 32px;
            flex-shrink: 0;
            text-align: center;
        }
        .topic-rank.top-1 {
            color: var(--primary);
        }
        .topic-rank.top-2 {
            color: var(--accent-deep);
        }
        .topic-rank.top-3 {
            color: #F59E0B;
        }
        .topic-info {
            flex: 1;
            min-width: 0;
        }
        .topic-info__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 2px;
            line-height: 1.5;
        }
        .topic-info__meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        .topic-tag {
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary-deep);
            background: #FFF5EE;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .topic-item {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
                padding: var(--space-md);
            }
            .topic-rank {
                width: auto;
                font-size: 16px;
            }
            .topic-tag {
                align-self: flex-start;
            }
        }

        /* ===== Community Stars ===== */
        .community-stars {
            background: transparent;
        }
        .star-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: var(--space-lg);
            display: flex;
            align-items: center;
            gap: var(--space-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
        }
        .star-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border-strong);
        }
        .star-avatar {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--primary-glow) 0%, var(--primary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .star-info {
            min-width: 0;
        }
        .star-info__name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }
        .star-info__desc {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Activity Timeline ===== */
        .activity-timeline {
            background: var(--secondary-deep);
            color: #FFFFFF;
        }
        .activity-timeline .section-head h2 {
            color: #FFFFFF;
        }
        .activity-timeline .section-head .section-sub {
            color: rgba(255, 255, 255, 0.6);
        }
        .timeline {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            position: relative;
            padding-left: var(--space-xl);
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 7px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-left: var(--space-lg);
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -27px;
            top: 8px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.18);
        }
        .timeline-item__date {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-glow);
        }
        .timeline-item__title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 2px 0;
            line-height: 1.5;
        }
        .timeline-item__desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .timeline {
                padding-left: var(--space-lg);
            }
            .timeline-item {
                padding-left: var(--space-md);
            }
            .timeline-item::before {
                left: -21px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item.open {
            border-left: 4px solid var(--primary);
            border-color: var(--primary-glow);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            padding: var(--space-md) var(--space-lg);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary-deep);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary-glow);
            outline-offset: -2px;
        }
        .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 var(--space-lg);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-lg) var(--space-md);
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-deep) 0%, #1a2d40 60%, var(--primary-deep) 160%);
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 122, 0, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-xl);
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-card__text {
            max-width: 580px;
        }
        .cta-card__text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 var(--space-sm);
            line-height: 1.4;
        }
        .cta-card__text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            line-height: 1.8;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--secondary-deep);
            background: linear-gradient(135deg, var(--primary-glow) 0%, var(--primary) 100%);
            border-radius: var(--radius-md);
            box-shadow: 0 8px 24px rgba(255, 122, 0, 0.4);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 122, 0, 0.5);
            color: var(--secondary-deep);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-glow) 100%);
        }
        .cta-btn:focus-visible {
            outline: 2px solid #FFFFFF;
            outline-offset: 3px;
        }

        @media (max-width: 768px) {
            .cta-card {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-lg);
            }
            .cta-card__text h2 {
                font-size: 22px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding-top: var(--space-3xl);
            padding-bottom: var(--space-lg);
        }
        .site-footer .container:first-child {
            display: flex;
            gap: var(--space-2xl);
            justify-content: space-between;
            flex-wrap: wrap;
            padding-bottom: var(--space-xl);
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--space-sm);
        }
        .footer-brand .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin: var(--space-sm) 0 0;
            line-height: 1.8;
            max-width: 380px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 var(--space-md);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--primary-glow);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            flex-wrap: wrap;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        .footer-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--primary-glow);
        }
        .footer-links .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding-top: var(--space-2xl);
            }
            .site-footer .container:first-child {
                flex-direction: column;
                gap: var(--space-xl);
                padding-bottom: var(--space-lg);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
            }
        }

/* roulang page: category5 */
:root {
      --primary: #FF7A00;
      --primary-deep: #E5640C;
      --primary-glow: #FFB84D;
      --secondary: #1B2A3A;
      --secondary-deep: #111E2A;
      --accent: #00D4A6;
      --accent-deep: #00B894;
      --bg: #F5F6F8;
      --bg-card: #FFFFFF;
      --text: #1A1F26;
      --text-soft: #4A5568;
      --text-muted: #7A8699;
      --border: #E4E7ED;
      --border-strong: #D1D5DC;
      --shadow-sm: 0 2px 8px rgba(17, 30, 42, 0.06);
      --shadow-md: 0 8px 24px rgba(17, 30, 42, 0.1);
      --shadow-lg: 0 16px 48px rgba(17, 30, 42, 0.16);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 24px;
      --radius-pill: 999px;
      --space-xs: 4px;
      --space-sm: 8px;
      --space-md: 16px;
      --space-lg: 24px;
      --space-xl: 32px;
      --space-2xl: 40px;
      --space-3xl: 56px;
      --space-4xl: 72px;
      --space-5xl: 96px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
      --max-width: 1200px;
      --nav-height: 64px;
      --transition-fast: 150ms ease;
      --transition-base: 250ms ease;
      --transition-slow: 400ms ease;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-sans);
      font-size: 15px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      min-height: 100vh;
      overflow-x: hidden;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
      border: 0;
    }

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

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
      outline: none;
      border: none;
      background: none;
    }

    button {
      cursor: pointer;
    }

    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 var(--space-lg);
    }

    /* ===== Header / Navigation ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--secondary-deep);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
      height: var(--nav-height);
    }

    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      gap: var(--space-lg);
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.02em;
      flex-shrink: 0;
      white-space: nowrap;
    }

    .logo .logo-icon {
      width: 32px;
      height: 32px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 900;
      color: #fff;
      flex-shrink: 0;
    }

    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      line-height: 1;
      background: rgba(255, 255, 255, 0.08);
      transition: background var(--transition-fast);
    }

    .menu-toggle:hover {
      background: rgba(255, 255, 255, 0.16);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
    }

    .main-nav__list {
      display: flex;
      align-items: center;
      gap: var(--space-xs);
      list-style: none;
    }

    .main-nav__list li {
      position: relative;
    }

    .main-nav__list a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.78);
      border-radius: var(--radius-sm);
      white-space: nowrap;
      letter-spacing: 0.01em;
      transition: color var(--transition-fast), background var(--transition-fast);
    }

    .main-nav__list a:hover {
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.1);
    }

    .main-nav__list a.active {
      color: #FFFFFF;
      background: rgba(255, 122, 0, 0.25);
      font-weight: 600;
    }

    .main-nav__list a.active::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: -1px;
      height: 2px;
      background: var(--primary);
      border-radius: 1px;
    }

    /* ===== Breadcrumb & Page Hero ===== */
    .page-hero {
      background: linear-gradient(160deg, #FFFFFF 0%, #F8F9FB 100%);
      border-bottom: 1px solid var(--border);
      padding: var(--space-2xl) 0;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: var(--space-md);
    }

    .breadcrumb a {
      color: var(--text-soft);
    }

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

    .breadcrumb .sep {
      color: var(--border-strong);
    }

    .page-hero__title {
      font-size: 30px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text);
      letter-spacing: 0.02em;
      margin-bottom: var(--space-sm);
    }

    .page-hero__desc {
      font-size: 15px;
      color: var(--text-soft);
      max-width: 860px;
      line-height: 1.8;
      margin-bottom: var(--space-lg);
    }

    .stat-badges {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-md);
    }

    .stat-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      padding: 8px 16px;
      font-size: 13px;
      color: var(--text-soft);
      box-shadow: var(--shadow-sm);
      white-space: nowrap;
    }

    .stat-badge .num {
      font-weight: 700;
      color: var(--primary-deep);
    }

    /* ===== Category Filter ===== */
    .category-filter {
      margin-top: var(--space-xl);
    }

    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-sm);
    }

    .filter-tag {
      display: inline-flex;
      align-items: center;
      padding: 8px 16px;
      border-radius: var(--radius-pill);
      background: var(--bg-card);
      border: 1px solid var(--border);
      color: var(--text-soft);
      font-size: 13px;
      font-weight: 500;
      transition: all var(--transition-fast);
    }

    .filter-tag:hover {
      border-color: var(--primary);
      color: var(--primary-deep);
      background: rgba(255, 122, 0, 0.04);
    }

    .filter-tag.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
    }

    /* ===== Notice Grid ===== */
    .notice-section {
      padding: var(--space-3xl) 0;
    }

    .section-heading {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: var(--space-lg);
      margin-bottom: var(--space-xl);
    }

    .section-title {
      font-size: 24px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text);
      letter-spacing: 0.01em;
    }

    .section-subtitle {
      font-size: 14px;
      color: var(--text-muted);
      margin-top: var(--space-xs);
    }

    .notice-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-lg);
    }

    .notice-card {
      background: var(--bg-card);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition-base), box-shadow var(--transition-base);
      display: flex;
      flex-direction: column;
    }

    .notice-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .notice-card__cover {
      width: 100%;
      height: 180px;
      object-fit: cover;
      background: var(--border);
    }

    .notice-card__body {
      padding: var(--space-lg);
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .notice-card__tags {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-sm);
      margin-bottom: var(--space-sm);
    }

    .notice-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.02em;
    }

    .notice-tag--primary {
      background: rgba(255, 122, 0, 0.1);
      color: var(--primary-deep);
    }

    .notice-tag--accent {
      background: rgba(0, 212, 166, 0.1);
      color: var(--accent-deep);
    }

    .notice-tag--secondary {
      background: rgba(27, 42, 58, 0.07);
      color: var(--secondary);
    }

    .notice-card__title {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--text);
      margin-bottom: var(--space-sm);
    }

    .notice-card__date {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: var(--space-md);
    }

    .notice-card__summary {
      font-size: 14px;
      color: var(--text-soft);
      line-height: 1.8;
      flex: 1;
    }

    /* ===== Featured Notice ===== */
    .featured-section {
      padding: var(--space-3xl) 0;
      background: var(--secondary);
    }

    .featured-notice {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      padding: var(--space-2xl);
      background: linear-gradient(135deg, rgba(17,30,42,0.88) 0%, rgba(27,42,58,0.78) 55%, rgba(17,30,42,0.7) 100%);
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .featured-notice__bg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3;
    }

    .featured-notice__content {
      position: relative;
      z-index: 1;
      max-width: 700px;
    }

    .featured-notice__label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-glow);
      margin-bottom: var(--space-md);
    }

    .featured-notice__title {
      font-size: 26px;
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: var(--space-md);
    }

    .featured-notice__desc {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.8);
      line-height: 1.85;
      margin-bottom: var(--space-lg);
    }

    .featured-notice__meta {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-md);
      font-size: 13px;
      color: rgba(255, 255, 255, 0.7);
    }

    /* ===== Subscription CTA ===== */
    .subscription-section {
      padding: var(--space-3xl) 0;
    }

    .subscription-card {
      background: var(--bg-card);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-md);
      padding: var(--space-2xl);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: var(--space-2xl);
      align-items: center;
    }

    .subscription-card__title {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: var(--space-sm);
    }

    .subscription-card__desc {
      font-size: 14px;
      color: var(--text-soft);
      line-height: 1.8;
      margin-bottom: var(--space-lg);
    }

    .subscription-form {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-md);
    }

    .subscription-form input[type="email"] {
      flex: 1;
      min-width: 200px;
      padding: 12px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-strong);
      background: var(--bg);
      color: var(--text);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .subscription-form input[type="email"]:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.12);
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      letter-spacing: 0.02em;
      transition: transform var(--transition-fast), box-shadow var(--transition-fast);
      box-shadow: 0 4px 12px rgba(255, 122, 0, 0.2);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 122, 0, 0.3);
    }

    .btn-primary:focus-visible {
      outline: 3px solid var(--primary-glow);
      outline-offset: 2px;
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: var(--space-3xl) 0;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: var(--space-md);
      max-width: 860px;
    }

    .faq-item {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition-base);
    }

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

    .faq-item__question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-md);
      padding: var(--space-lg);
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      cursor: pointer;
      background: none;
      width: 100%;
      text-align: left;
    }

    .faq-item__icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(255, 122, 0, 0.08);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      flex-shrink: 0;
      transition: transform var(--transition-fast), background var(--transition-fast);
    }

    .faq-item__answer {
      padding: 0 var(--space-lg) var(--space-lg);
      font-size: 14px;
      color: var(--text-soft);
      line-height: 1.8;
      border-left: 3px solid var(--primary);
      margin-left: var(--space-lg);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--secondary-deep);
      color: rgba(255, 255, 255, 0.75);
      padding-top: var(--space-3xl);
      margin-top: var(--space-3xl);
    }

    .site-footer .container:first-child {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: var(--space-2xl);
      padding-bottom: var(--space-2xl);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: var(--space-md);
    }

    .footer-brand .logo-icon {
      width: 30px;
      height: 30px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 900;
      color: #fff;
    }

    .footer-desc {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      line-height: 1.8;
      max-width: 360px;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: var(--space-md);
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: var(--space-sm);
    }

    .footer-col a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      transition: color var(--transition-fast);
    }

    .footer-col a:hover {
      color: var(--primary-glow);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: var(--space-lg) 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-md);
      font-size: 13px;
      color: rgba(255, 255, 255, 0.55);
    }

    .footer-links {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.65);
    }

    .footer-links a:hover {
      color: var(--primary-glow);
    }

    .footer-links .sep {
      color: rgba(255, 255, 255, 0.3);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .notice-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .subscription-card {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: inline-flex;
      }
      .main-nav {
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--secondary-deep);
        padding: var(--space-md) var(--space-lg);
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
        display: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      }
      .main-nav.nav-open {
        display: flex;
      }
      .main-nav__list {
        flex-direction: column;
        gap: var(--space-sm);
      }
      .main-nav__list a {
        width: 100%;
        padding: 12px 16px;
      }
      .section-heading {
        flex-direction: column;
        align-items: flex-start;
      }
      .notice-grid {
        grid-template-columns: 1fr;
      }
      .page-hero__title {
        font-size: 24px;
      }
      .site-footer .container:first-child {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      :root {
        --space-lg: 16px;
        --space-xl: 24px;
        --space-2xl: 32px;
        --space-3xl: 40px;
        --nav-height: 56px;
      }
      .page-hero__title {
        font-size: 22px;
      }
      .featured-notice {
        padding: var(--space-xl);
      }
      .featured-notice__title {
        font-size: 22px;
      }
      .subscription-card {
        padding: var(--space-xl);
      }
      .faq-item__question {
        padding: var(--space-md);
      }
      .faq-item__answer {
        padding: 0 var(--space-md) var(--space-md);
        margin-left: var(--space-md);
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}