/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0,0,0,0.04);
            --shadow-hover: 0 12px 24px rgba(0,0,0,0.08);
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid var(--primary);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }

        .card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

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

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .tag-blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .tag-teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }

        .tag-orange {
            background-color: #FFFBEB;
            color: #D97706;
        }

        .tag-gray {
            background-color: #F1F5F9;
            color: #64748B;
        }

        .nav-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 260px;
            background-color: #fff;
            border-right: 1px solid var(--border-light);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }

        .nav-sidebar .brand-area {
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }

        .nav-sidebar .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }

        .nav-sidebar .brand-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .nav-sidebar .nav-links {
            flex: 1;
            overflow-y: auto;
            padding: 12px 8px;
        }

        .nav-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }

        .nav-sidebar .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .nav-sidebar .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .nav-sidebar .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .nav-sidebar .nav-link.active i {
            color: #fff;
        }

        .nav-sidebar .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-light);
            font-size: 12px;
            color: var(--slate-weak);
            flex-shrink: 0;
        }

        .main-content {
            margin-left: 260px;
            min-height: 100vh;
            padding: 0;
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 40;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
        }

        .mobile-topbar .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            transition: var(--transition-base);
        }

        .mobile-topbar .hamburger:hover {
            background-color: var(--primary-light);
        }

        .mobile-topbar .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .mobile-drawer {
            position: fixed;
            inset: 0;
            background-color: #fff;
            z-index: 60;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            display: flex;
            flex-direction: column;
            padding: 18px 20px;
        }

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

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0 20px;
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-drawer .drawer-close {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--slate-main);
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition-base);
        }

        .mobile-drawer .drawer-close:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .mobile-drawer .drawer-nav {
            flex: 1;
            padding: 16px 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 10px;
            font-size: 17px;
            font-weight: 500;
            color: var(--slate-main);
            transition: var(--transition-base);
        }

        .mobile-drawer .drawer-nav a:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .mobile-drawer .drawer-nav a.active {
            background-color: var(--primary);
            color: #fff;
        }

        .mobile-drawer .drawer-nav a i {
            width: 24px;
            text-align: center;
        }

        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 260px;
            right: 0;
            z-index: 45;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: transform 0.3s ease;
        }

        .bottom-cta-bar.hidden-cta {
            transform: translateY(100%);
        }

        .bottom-cta-bar .cta-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            letter-spacing: 0.3px;
        }

        .bottom-cta-bar .cta-text strong {
            color: var(--primary);
            font-weight: 700;
        }

        .bottom-cta-bar .cta-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .bottom-cta-bar .cta-close {
            background: none;
            border: none;
            color: var(--slate-weak);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition-base);
            font-size: 16px;
            flex-shrink: 0;
        }

        .bottom-cta-bar .cta-close:hover {
            background-color: #F1F5F9;
            color: var(--slate-main);
        }

        .hero-section {
            background: linear-gradient(140deg, #F0F9FF 0%, #E0F2FE 40%, #DBEAFE 70%, #EFF6FF 100%);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 60px 40px 80px;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 550px;
            height: 550px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.06);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -25%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(20, 184, 166, 0.05);
            pointer-events: none;
        }

        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .hero-text h1 {
            font-size: 42px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .hero-text h1 .highlight {
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }

        .hero-text .hero-subtitle {
            font-size: 17px;
            color: var(--slate-main);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 520px;
        }

        .hero-text .hero-subtitle strong {
            color: var(--dark);
            font-weight: 600;
        }

        .hero-text .hero-features-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .hero-text .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-image-box {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
            aspect-ratio: 16/10;
            background-color: #fff;
        }

        .hero-image-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-image-box .badge-overlay {
            position: absolute;
            bottom: 16px;
            left: 16px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .countdown-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: rgba(15, 23, 42, 0.88);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            z-index: 2;
        }

        .countdown-bar .countdown-label {
            color: #CBD5E1;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .countdown-bar .countdown-label i {
            color: var(--accent-orange);
        }

        .countdown-bar .countdown-timer {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .countdown-bar .countdown-timer .time-block {
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 6px 12px;
            text-align: center;
            min-width: 52px;
        }

        .countdown-bar .countdown-timer .time-block .num {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .countdown-bar .countdown-timer .time-block .unit {
            font-size: 10px;
            color: #94A3B8;
            text-transform: uppercase;
        }

        .countdown-bar .countdown-separator {
            color: #475569;
            font-size: 18px;
            font-weight: 600;
        }

        .section {
            padding: 80px 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: var(--primary-light);
            padding: 5px 14px;
            border-radius: 9999px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--slate-main);
            line-height: 1.7;
            max-width: 700px;
        }

        .cards-grid {
            display: grid;
            gap: 20px;
        }

        .cards-grid.asymmetric {
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
        }

        .cards-grid.asymmetric .card-featured {
            grid-row: span 2;
            background: linear-gradient(135deg, #2563EB, #1D4ED8);
            color: #fff;
            border: none;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .cards-grid.asymmetric .card-featured .featured-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .cards-grid.asymmetric .card-featured .featured-desc {
            font-size: 15px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
        }

        .cards-grid.asymmetric .card-featured .featured-icon {
            font-size: 32px;
            color: #fff;
            margin-bottom: 16px;
        }

        .cards-grid.asymmetric .card-featured .featured-badge {
            background-color: rgba(255, 255, 255, 0.18);
            border-radius: 9999px;
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 600;
            width: fit-content;
            margin-bottom: 8px;
        }

        .cards-grid.asymmetric .card-small {
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .cards-grid.asymmetric .card-small .small-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .cards-grid.asymmetric .card-small .small-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .cards-grid.asymmetric .card-small .small-desc {
            font-size: 13px;
            color: var(--slate-main);
            line-height: 1.6;
        }

        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 48px;
        }

        .scene-block:last-child {
            margin-bottom: 0;
        }

        .scene-block.reverse {
            direction: rtl;
        }

        .scene-block.reverse .scene-text {
            direction: ltr;
        }

        .scene-block .scene-image {
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16/10;
        }

        .scene-block .scene-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-block .scene-text {
            direction: ltr;
        }

        .scene-block .scene-text .scene-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 6px;
            margin-bottom: 12px;
        }

        .scene-block .scene-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .scene-block .scene-text p {
            font-size: 15px;
            color: var(--slate-main);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background-color: #fff;
            border-radius: 14px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 24px;
            text-align: center;
            transition: var(--transition-base);
        }

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

        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 1px;
        }

        .stat-card .stat-label {
            font-size: 13px;
            color: var(--slate-main);
            margin-top: 6px;
            font-weight: 500;
        }

        .brand-intro-section {
            background-color: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 40px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro-section .brand-intro-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .brand-intro-section .brand-intro-text p {
            font-size: 15px;
            color: var(--slate-main);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .brand-intro-section .brand-intro-image {
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
        }

        .brand-intro-section .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background-color: #fff;
            border-radius: 14px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 18px 22px;
            transition: var(--transition-base);
            align-items: center;
        }

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

        .news-item .news-date-block {
            width: 62px;
            height: 62px;
            border-radius: 10px;
            background-color: var(--primary-light);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .news-item .news-date-block .day {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
        }

        .news-item .news-date-block .month {
            font-size: 11px;
            color: var(--slate-main);
            font-weight: 500;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item .news-content p {
            font-size: 13px;
            color: var(--slate-main);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-link {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .news-item .news-link:hover {
            text-decoration: underline;
            color: var(--primary-deep);
        }

        .news-item .news-link i {
            font-size: 11px;
            transition: transform 0.2s ease;
        }

        .news-item .news-link:hover i {
            transform: translateX(3px);
        }

        .deep-content-section {
            background-color: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 40px;
            margin-bottom: 32px;
        }

        .deep-content-section:last-child {
            margin-bottom: 0;
        }

        .deep-content-section .deep-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            line-height: 1.4;
        }

        .deep-content-section .deep-title i {
            color: var(--primary);
            font-size: 20px;
        }

        .deep-content-section .deep-body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .deep-content-section .deep-body p {
            font-size: 15px;
            color: var(--slate-main);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-content-section .deep-body .deep-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16/10;
        }

        .deep-content-section .deep-body .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 12px;
            background-color: #fff;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item.open {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-lighter);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition-base);
        }

        .faq-item .faq-question:hover {
            background-color: var(--primary-light);
        }

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--slate-weak);
            transition: transform 0.3s ease;
            font-size: 14px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--slate-main);
            line-height: 1.75;
        }

        .safety-section {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            border-radius: 16px;
            padding: 40px;
            color: #CBD5E1;
        }

        .safety-section h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .safety-section h3 i {
            color: var(--accent-teal);
        }

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

        .safety-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .safety-item .safety-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: rgba(20, 184, 166, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent-teal);
            flex-shrink: 0;
        }

        .safety-item .safety-text h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .safety-item .safety-text p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.6;
        }

        .campaign-section {
            background: linear-gradient(120deg, #EFF6FF, #DBEAFE);
            border-radius: 16px;
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .campaign-section::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.08);
            pointer-events: none;
        }

        .campaign-section .campaign-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .campaign-section .campaign-text p {
            font-size: 15px;
            color: var(--slate-main);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 520px;
        }

        .campaign-section .campaign-text .campaign-timer {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 16px;
        }

        .campaign-section .campaign-text .campaign-timer .ct-block {
            background-color: #fff;
            border-radius: 8px;
            padding: 8px 14px;
            text-align: center;
            min-width: 56px;
            box-shadow: var(--shadow-card);
        }

        .campaign-section .campaign-text .campaign-timer .ct-block .num {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .campaign-section .campaign-text .campaign-timer .ct-block .unit {
            font-size: 10px;
            color: var(--slate-weak);
        }

        .campaign-section .campaign-text .campaign-timer .ct-sep {
            font-size: 20px;
            font-weight: 600;
            color: var(--slate-weak);
        }

        .campaign-section .campaign-image {
            width: 240px;
            height: 180px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            flex-shrink: 0;
        }

        .campaign-section .campaign-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .footer {
            background-color: #0F172A;
            color: #CBD5E1;
            padding: 48px 40px 32px;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
        }

        .footer .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer .footer-brand .footer-logo .fl-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .footer .footer-brand .footer-logo span {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
        }

        .footer .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.65;
        }

        .footer h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer ul li a {
            font-size: 13px;
            color: #94A3B8;
            transition: var(--transition-base);
        }

        .footer ul li a:hover {
            color: #fff;
        }

        .footer .footer-subscribe form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer .footer-subscribe input {
            flex: 1;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            padding: 9px 14px;
            color: #fff;
            font-size: 13px;
            min-width: 0;
        }

        .footer .footer-subscribe input::placeholder {
            color: #64748B;
        }

        .footer .footer-subscribe input:focus {
            border-color: var(--primary);
            outline: none;
        }

        .footer .footer-subscribe button {
            background-color: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 9px 18px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .footer .footer-subscribe button:hover {
            background-color: var(--primary-deep);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 28px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #64748B;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom .footer-links a {
            color: #64748B;
            transition: var(--transition-base);
        }

        .footer-bottom .footer-links a:hover {
            color: #CBD5E1;
        }

        @media (max-width: 1024px) {
            .nav-sidebar {
                transform: translateX(-100%);
            }

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

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

            .mobile-topbar {
                display: flex;
            }

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

            .hero-section {
                padding: 80px 20px 100px;
                min-height: auto;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .section {
                padding: 60px 24px;
            }

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

            .cards-grid.asymmetric {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }

            .cards-grid.asymmetric .card-featured {
                grid-row: auto;
            }

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

            .scene-block.reverse {
                direction: ltr;
            }

            .brand-intro-section {
                grid-template-columns: 1fr;
                padding: 28px;
            }

            .deep-content-section .deep-body {
                grid-template-columns: 1fr;
            }

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

            .campaign-section {
                grid-template-columns: 1fr;
                padding: 28px;
            }

            .campaign-section .campaign-image {
                width: 100%;
                height: 160px;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .hero-text h1 {
                font-size: 30px;
            }

            .hero-text .hero-subtitle {
                font-size: 15px;
            }

            .section {
                padding: 48px 16px;
            }

            .section-header h2 {
                font-size: 24px;
            }

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

            .stat-card .stat-number {
                font-size: 26px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }

            .news-item .news-date-block {
                width: 52px;
                height: 52px;
            }

            .news-item .news-date-block .day {
                font-size: 18px;
            }

            .news-item .news-link {
                align-self: flex-end;
            }

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

            .footer {
                padding: 32px 20px 24px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .bottom-cta-bar {
                padding: 10px 14px;
                flex-wrap: wrap;
                gap: 8px;
            }

            .bottom-cta-bar .cta-text {
                font-size: 12px;
            }

            .bottom-cta-bar .cta-actions .btn-primary,
            .bottom-cta-bar .cta-actions .btn-secondary {
                padding: 8px 14px;
                font-size: 12px;
            }

            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 10px 16px;
            }

            .countdown-bar .countdown-timer .time-block {
                min-width: 42px;
                padding: 4px 8px;
            }

            .countdown-bar .countdown-timer .time-block .num {
                font-size: 16px;
            }

            .campaign-section .campaign-text h3 {
                font-size: 20px;
            }

            .brand-intro-section {
                padding: 20px;
            }

            .deep-content-section {
                padding: 24px 18px;
            }

            .deep-content-section .deep-title {
                font-size: 18px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid var(--primary);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }
        .card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .tag-blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .tag-teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }
        .tag-orange {
            background-color: #FFFBEB;
            color: #D97706;
        }
        .tag-gray {
            background-color: #F1F5F9;
            color: #64748B;
        }
        .nav-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 260px;
            background-color: #fff;
            border-right: 1px solid var(--border-light);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .nav-sidebar .brand-area {
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .nav-sidebar .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }
        .nav-sidebar .brand-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .nav-sidebar .nav-links {
            flex: 1;
            overflow-y: auto;
            padding: 12px 8px;
        }
        .nav-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .nav-sidebar .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .nav-sidebar .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .nav-sidebar .nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }
        .main-content {
            margin-left: 260px;
            min-height: 100vh;
            padding: 0 24px;
            max-width: 1280px;
        }
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 40;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-topbar .brand-text {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }
        .mobile-topbar .hamburger {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            border-radius: 8px;
        }
        .mobile-topbar .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-drawer {
            position: fixed;
            inset: 0;
            background: #fff;
            z-index: 60;
            display: flex;
            flex-direction: column;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            padding: 16px;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 4px 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-drawer .drawer-header .close-btn {
            background: none;
            border: none;
            font-size: 22px;
            cursor: pointer;
            color: var(--slate-main);
            padding: 8px;
            border-radius: 8px;
        }
        .mobile-drawer .drawer-nav {
            flex: 1;
            overflow-y: auto;
            padding: 16px 0;
        }
        .mobile-drawer .drawer-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 12px;
            margin: 4px 0;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .mobile-drawer .drawer-nav .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .drawer-nav .nav-link.active {
            background-color: var(--primary);
            color: #fff;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            gap: 20px;
            padding: 18px 20px;
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .news-card .news-img {
            width: 160px;
            height: 100px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
            transition: var(--transition-base);
            line-height: 1.45;
        }
        .news-card .news-title a:hover {
            color: var(--primary);
        }
        .news-card .news-summary {
            font-size: 14px;
            color: var(--slate-main);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--slate-weak);
        }
        .news-card .news-meta .read-more {
            color: var(--primary);
            font-weight: 500;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-base);
        }
        .news-card .news-meta .read-more:hover {
            color: var(--primary-deep);
            gap: 7px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border-light);
            color: var(--slate-main);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--slate-weak);
            margin-bottom: 8px;
        }
        .breadcrumb a {
            color: var(--slate-main);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--slate-weak);
        }
        .page-header-section {
            padding: 40px 0 16px;
        }
        .page-header-section h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .page-header-section .page-desc {
            font-size: 16px;
            color: var(--slate-main);
            max-width: 780px;
            line-height: 1.75;
        }
        .section-block {
            padding: 36px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--slate-main);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 720px;
        }
        .footer {
            background-color: #0F172A;
            color: #CBD5E1;
            padding: 56px 24px 32px;
            margin-top: 60px;
            padding-bottom: 100px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo .fl-icon {
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .footer-brand .footer-logo span {
            font-size: 15px;
            font-weight: 700;
            color: #F8FAFC;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.65;
            max-width: 340px;
        }
        .footer h4 {
            font-size: 14px;
            font-weight: 600;
            color: #E2E8F0;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: #94A3B8;
            font-size: 13px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul li a:hover {
            color: #fff;
            transform: translateX(3px);
        }
        .footer-subscribe p {
            font-size: 12px;
            color: #94A3B8;
            margin-bottom: 8px;
        }
        .footer-subscribe form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            background: #1E293B;
            border: 1px solid #334155;
            border-radius: 8px;
            padding: 10px 14px;
            color: #E2E8F0;
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer-subscribe input::placeholder {
            color: #64748B;
        }
        .footer-subscribe input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
        }
        .footer-subscribe button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .footer-subscribe button:hover {
            background: var(--primary-deep);
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid #1E293B;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            font-size: 12px;
            color: #64748B;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .footer-links a {
            color: #94A3B8;
            font-size: 12px;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .bottom-conversion-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .bottom-conversion-bar .bar-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .bottom-conversion-bar .bar-text i {
            color: var(--primary);
            font-size: 18px;
        }
        .bottom-conversion-bar .bar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .bottom-conversion-bar .close-bar {
            background: none;
            border: none;
            color: var(--slate-weak);
            cursor: pointer;
            padding: 6px;
            font-size: 16px;
            border-radius: 6px;
            transition: var(--transition-base);
            flex-shrink: 0;
            margin-left: 4px;
        }
        .bottom-conversion-bar .close-bar:hover {
            color: var(--dark);
            background: #F1F5F9;
        }
        .deep-read-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .deep-read-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .deep-read-card .dr-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .deep-read-card .dr-body {
            padding: 24px 28px;
        }
        .deep-read-card .dr-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .deep-read-card .dr-excerpt {
            font-size: 14px;
            color: var(--slate-main);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .newsletter-cta {
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .newsletter-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .newsletter-cta .nc-text {
            position: relative;
            z-index: 1;
        }
        .newsletter-cta .nc-text h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .newsletter-cta .nc-text p {
            font-size: 15px;
            opacity: 0.85;
            max-width: 480px;
            line-height: 1.65;
        }
        .newsletter-cta .nc-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .newsletter-cta .btn-white {
            background: #fff;
            color: var(--primary);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            transition: var(--transition-base);
        }
        .newsletter-cta .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .newsletter-cta .btn-ghost-white {
            background: transparent;
            color: #fff;
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
        }
        .newsletter-cta .btn-ghost-white:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-sidebar {
                transform: translateX(-100%);
            }
            .nav-sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
                padding: 80px 16px 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 640px) {
            .page-header-section h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .news-card {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }
            .news-card .news-img {
                width: 100%;
                height: 160px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .footer-links {
                margin-left: 0;
            }
            .bottom-conversion-bar {
                padding: 10px 16px;
                flex-wrap: wrap;
            }
            .bottom-conversion-bar .bar-text {
                font-size: 12px;
            }
            .bottom-conversion-bar .bar-actions .btn-primary,
            .bottom-conversion-bar .bar-actions .btn-secondary {
                padding: 8px 14px;
                font-size: 12px;
            }
            .newsletter-cta {
                padding: 32px 24px;
            }
            .newsletter-cta .nc-text h3 {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .bottom-conversion-bar .bar-text span {
                display: none;
            }
            .bottom-conversion-bar .bar-actions {
                gap: 6px;
            }
            .bottom-conversion-bar .close-bar {
                padding: 4px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid var(--primary);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }
        .btn-on-dark {
            background-color: #fff;
            color: var(--dark);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 255, 255, 0.12);
        }
        .btn-on-dark:hover {
            background-color: #f1f5f9;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }
        .btn-on-dark:active {
            transform: translateY(1px);
        }
        .btn-outline-on-dark {
            background-color: transparent;
            color: #fff;
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-outline-on-dark:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-on-dark:active {
            transform: translateY(1px);
        }
        .card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .tag-blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .tag-teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }
        .tag-orange {
            background-color: #FFFBEB;
            color: #D97706;
        }
        .tag-gray {
            background-color: #F1F5F9;
            color: #64748B;
        }
        .tag-red {
            background-color: #FEF2F2;
            color: #DC2626;
        }
        .nav-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 260px;
            background-color: #fff;
            border-right: 1px solid var(--border-light);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .nav-sidebar .brand-area {
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .nav-sidebar .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }
        .nav-sidebar .brand-text {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.3px;
            line-height: 1.3;
        }
        .nav-sidebar .nav-links {
            flex: 1;
            overflow-y: auto;
            padding: 12px 8px;
        }
        .nav-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .nav-sidebar .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .nav-sidebar .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .nav-sidebar .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }
        .nav-sidebar .nav-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-light);
            font-size: 11px;
            color: var(--slate-weak);
            text-align: center;
            flex-shrink: 0;
        }
        .content-area {
            margin-left: 260px;
            min-height: 100vh;
            padding-bottom: 100px;
        }
        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 60;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 14px;
            color: var(--dark);
        }
        .mobile-header .mobile-logo .brand-logo-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
        }
        .hamburger-btn {
            width: 40px;
            height: 40px;
            border: none;
            background: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .hamburger-btn:hover {
            background-color: var(--primary-light);
        }
        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-drawer {
            position: fixed;
            inset: 0;
            background-color: #fff;
            z-index: 70;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-header {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .mobile-drawer .drawer-header .drawer-close {
            width: 40px;
            height: 40px;
            border: none;
            background: none;
            font-size: 20px;
            cursor: pointer;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
        }
        .mobile-drawer .drawer-header .drawer-close:hover {
            background-color: var(--primary-light);
        }
        .mobile-drawer .drawer-nav {
            flex: 1;
            overflow-y: auto;
            padding: 12px;
        }
        .mobile-drawer .drawer-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 18px;
            margin: 4px 0;
            border-radius: 12px;
            color: var(--slate-main);
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .mobile-drawer .drawer-nav .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .drawer-nav .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .mobile-drawer .drawer-nav .nav-link i {
            width: 24px;
            text-align: center;
            font-size: 17px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 12px;
            background-color: #fff;
            transition: var(--transition-base);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: var(--primary-lighter);
        }
        .faq-item.open {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 15px;
            color: var(--dark);
            background: none;
            border: none;
            cursor: pointer;
            gap: 16px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background-color: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--slate-main);
            line-height: 1.8;
        }
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .fixed-bottom-bar .fb-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .fixed-bottom-bar .fb-text i {
            color: var(--accent-orange);
            margin-right: 6px;
        }
        .fixed-bottom-bar .fb-close {
            width: 32px;
            height: 32px;
            border: none;
            background: none;
            font-size: 14px;
            color: var(--slate-weak);
            cursor: pointer;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .fixed-bottom-bar .fb-close:hover {
            background-color: #f1f5f9;
            color: var(--dark);
        }
        .section-title-area {
            margin-bottom: 36px;
        }
        .section-title-area .section-eyebrow {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }
        .section-title-area .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .section-title-area .section-desc {
            font-size: 15px;
            color: var(--slate-main);
            max-width: 680px;
            margin-top: 12px;
            line-height: 1.7;
        }
        .page-section {
            margin-bottom: 90px;
        }
        .hero-tournament {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #172554 100%);
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            margin-bottom: 90px;
        }
        .hero-tournament::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, transparent 65%);
            pointer-events: none;
        }
        .hero-tournament::after {
            content: '';
            position: absolute;
            bottom: -140px;
            left: -100px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.2) 0%, transparent 65%);
            pointer-events: none;
        }
        .hero-tournament .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            padding: 64px 56px;
            align-items: center;
        }
        .hero-tournament .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-teal);
            letter-spacing: 0.8px;
            margin-bottom: 16px;
        }
        .hero-tournament .hero-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-teal);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }
        .hero-tournament .hero-title {
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .hero-tournament .hero-title span {
            color: #60A5FA;
        }
        .hero-tournament .hero-sub {
            font-size: 16px;
            color: #CBD5E1;
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-tournament .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-tournament .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-tournament .hero-stat {
            text-align: center;
        }
        .hero-tournament .hero-stat .stat-num {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-tournament .hero-stat .stat-label {
            font-size: 12px;
            color: #94A3B8;
            margin-top: 4px;
        }
        .hero-tournament .hero-board {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 14px;
            padding: 22px;
            backdrop-filter: blur(8px);
        }
        .hero-tournament .hero-board .board-title {
            font-size: 14px;
            font-weight: 600;
            color: #E2E8F0;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-tournament .hero-board .board-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 8px;
            margin-bottom: 4px;
            transition: var(--transition-base);
        }
        .hero-tournament .hero-board .board-row:hover {
            background-color: rgba(255, 255, 255, 0.06);
        }
        .hero-tournament .hero-board .board-rank {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hero-tournament .hero-board .board-rank.r1 {
            background-color: #F59E0B;
            color: #fff;
        }
        .hero-tournament .hero-board .board-rank.r2 {
            background-color: #94A3B8;
            color: #fff;
        }
        .hero-tournament .hero-board .board-rank.r3 {
            background-color: #B45309;
            color: #fff;
        }
        .hero-tournament .hero-board .board-rank.r4,
        .hero-tournament .hero-board .board-rank.r5 {
            background-color: rgba(255, 255, 255, 0.1);
            color: #CBD5E1;
        }
        .hero-tournament .hero-board .board-team {
            flex: 1;
            font-size: 13px;
            color: #E2E8F0;
            font-weight: 500;
        }
        .hero-tournament .hero-board .board-pts {
            font-size: 13px;
            color: #60A5FA;
            font-weight: 700;
        }
        .tournament-card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .tournament-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-lighter);
        }
        .tournament-card .tc-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .tournament-card .tc-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .tournament-card:hover .tc-cover img {
            transform: scale(1.06);
        }
        .tournament-card .tc-cover .tc-status {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 14px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            z-index: 1;
        }
        .tournament-card .tc-cover .tc-status.live {
            background-color: #DC2626;
            color: #fff;
            box-shadow: 0 2px 8px rgba(220, 38, 38, 0.4);
        }
        .tournament-card .tc-cover .tc-status.registering {
            background-color: #F59E0B;
            color: #fff;
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
        }
        .tournament-card .tc-cover .tc-status.finished {
            background-color: #64748B;
            color: #fff;
        }
        .tournament-card .tc-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tournament-card .tc-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .tournament-card .tc-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .tournament-card .tc-meta .tc-meta-item {
            font-size: 12px;
            color: var(--slate-main);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background-color: #F8FAFC;
            padding: 4px 10px;
            border-radius: 6px;
        }
        .tournament-card .tc-meta .tc-meta-item i {
            color: var(--primary);
            font-size: 11px;
        }
        .tournament-card .tc-teams {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .tournament-card .tc-teams .team-chip {
            font-size: 12px;
            font-weight: 500;
            color: var(--dark-secondary);
            background-color: var(--primary-light);
            padding: 4px 10px;
            border-radius: 6px;
        }
        .tournament-card .tc-teams .vs-text {
            font-size: 11px;
            font-weight: 700;
            color: var(--slate-weak);
        }
        .tournament-card .tc-entry {
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .tournament-card .tc-entry .tc-count {
            font-size: 12px;
            color: var(--slate-weak);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-step {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-lighter);
            transform: translateY(-4px);
        }
        .process-step .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .process-step .step-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .process-step .step-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .process-step .step-desc {
            font-size: 13px;
            color: var(--slate-main);
            line-height: 1.6;
        }
        .stats-strip {
            background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
            border-radius: 18px;
            padding: 42px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stats-strip .stat-item .stat-num-large {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .stats-strip .stat-item .stat-label-text {
            font-size: 13px;
            color: #BFDBFE;
            margin-top: 6px;
            letter-spacing: 0.5px;
        }
        .brand-intro-block {
            background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
            border-radius: 18px;
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro-block .bi-text .bi-eyebrow {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .brand-intro-block .bi-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .brand-intro-block .bi-text p {
            font-size: 15px;
            color: var(--slate-main);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .brand-intro-block .bi-image img {
            border-radius: 14px;
            box-shadow: var(--shadow-hover);
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .footer {
            background-color: #0F172A;
            color: #CBD5E1;
            padding: 50px 24px 120px;
            margin-top: 20px;
        }
        .footer .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr;
            gap: 40px;
        }
        .footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-logo .fl-icon {
            width: 38px;
            height: 38px;
            border-radius: 9px;
            background: #2563EB;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
        }
        .footer .footer-logo span {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.4px;
        }
        .footer .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            font-size: 13px;
            color: #94A3B8;
            transition: var(--transition-base);
        }
        .footer ul li a:hover {
            color: #60A5FA;
        }
        .footer .footer-subscribe form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #334155;
            background-color: #1E293B;
            color: #E2E8F0;
            font-size: 13px;
            min-width: 0;
        }
        .footer .footer-subscribe input::placeholder {
            color: #64748B;
        }
        .footer .footer-subscribe button {
            background-color: #2563EB;
            color: #fff;
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .footer .footer-subscribe button:hover {
            background-color: #1D4ED8;
        }
        .footer .footer-bottom {
            max-width: 1280px;
            margin: 40px auto 0;
            padding-top: 20px;
            border-top: 1px solid #1E293B;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: #64748B;
        }
        .footer .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer .footer-bottom .footer-links a {
            color: #94A3B8;
            font-size: 12px;
        }
        .footer .footer-bottom .footer-links a:hover {
            color: #60A5FA;
        }
        @media (max-width: 1024px) {
            .nav-sidebar {
                transform: translateX(-100%);
            }
            .mobile-header {
                display: flex;
            }
            .content-area {
                margin-left: 0;
                padding-top: 64px;
            }
            .hero-tournament .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 28px;
            }
            .hero-tournament .hero-title {
                font-size: 32px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: 32px 24px;
            }
            .brand-intro-block {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }
            .footer .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section-title-area .section-title {
                font-size: 26px;
            }
            .page-section {
                margin-bottom: 60px;
            }
            .hero-tournament {
                margin-bottom: 60px;
            }
        }
        @media (max-width: 640px) {
            .content-area {
                padding-top: 56px;
            }
            .container-page {
                padding: 0 14px;
            }
            .hero-tournament .hero-inner {
                padding: 28px 18px;
                gap: 20px;
            }
            .hero-tournament .hero-title {
                font-size: 26px;
            }
            .hero-tournament .hero-sub {
                font-size: 14px;
            }
            .hero-tournament .hero-stats-row {
                gap: 12px;
            }
            .hero-tournament .hero-stat .stat-num {
                font-size: 20px;
            }
            .hero-tournament .hero-board {
                padding: 14px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
                padding: 24px 16px;
            }
            .stats-strip .stat-item .stat-num-large {
                font-size: 26px;
            }
            .section-title-area .section-title {
                font-size: 22px;
            }
            .footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .fixed-bottom-bar {
                padding: 10px 14px;
                gap: 8px;
            }
            .fixed-bottom-bar .fb-text {
                font-size: 12px;
                flex: 1;
            }
            .fixed-bottom-bar .btn-primary,
            .fixed-bottom-bar .btn-secondary {
                padding: 8px 14px;
                font-size: 12px;
                border-radius: 8px;
            }
            .footer {
                padding-bottom: 100px;
            }
            .btn-primary,
            .btn-secondary,
            .btn-on-dark,
            .btn-outline-on-dark {
                padding: 10px 18px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        :root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid var(--primary);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }
        .card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .tag-blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .tag-teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }
        .tag-orange {
            background-color: #FFFBEB;
            color: #D97706;
        }
        .tag-gray {
            background-color: #F1F5F9;
            color: #64748B;
        }
        .nav-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 260px;
            background-color: #fff;
            border-right: 1px solid var(--border-light);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .nav-sidebar .brand-area {
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .nav-sidebar .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }
        .nav-sidebar .brand-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .nav-sidebar .nav-links {
            flex: 1;
            overflow-y: auto;
            padding: 12px 8px;
        }
        .nav-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .nav-sidebar .nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .nav-sidebar .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .nav-sidebar .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .main-content {
            margin-left: 260px;
            min-height: 100vh;
            padding-bottom: 0;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 50;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-header .brand-mini {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 14px;
            color: var(--dark);
        }
        .mobile-header .brand-mini .bm-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
        }
        .hamburger-btn {
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .hamburger-btn:hover {
            background-color: var(--primary-light);
        }
        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-drawer {
            position: fixed;
            inset: 0;
            background-color: #fff;
            z-index: 60;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-header {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-drawer .drawer-header .dh-title {
            font-weight: 700;
            font-size: 15px;
            color: var(--dark);
        }
        .drawer-close {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 20px;
            color: var(--slate-main);
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .drawer-close:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .drawer-nav {
            flex: 1;
            overflow-y: auto;
            padding: 12px 8px;
        }
        .mobile-drawer .drawer-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .mobile-drawer .drawer-nav .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .mobile-drawer .drawer-nav .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .drawer-nav .nav-link.active {
            background-color: var(--primary);
            color: #fff;
        }
        .footer {
            background-color: var(--dark);
            color: #CBD5E1;
            padding: 48px 24px 0;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid #1E293B;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .fl-icon {
            width: 38px;
            height: 38px;
            border-radius: 9px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .footer-brand .footer-logo span {
            font-weight: 700;
            font-size: 15px;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.7;
            margin: 0;
            max-width: 340px;
        }
        .footer h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin: 0 0 14px 0;
            letter-spacing: 0.5px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: #94A3B8;
            font-size: 13px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer ul li a:hover {
            color: #fff;
        }
        .footer-subscribe p {
            font-size: 12px;
            color: #94A3B8;
            margin-bottom: 8px;
        }
        .footer-subscribe form {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #334155;
            background-color: #1E293B;
            color: #E2E8F0;
            font-size: 13px;
            min-width: 0;
        }
        .footer-subscribe input::placeholder {
            color: #64748B;
        }
        .footer-subscribe input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 8px;
            background-color: var(--primary);
            color: #fff;
            border: none;
            font-weight: 600;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            background-color: var(--primary-deep);
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 18px 0 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            font-size: 12px;
            color: #64748B;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .footer-links a {
            color: #94A3B8;
            font-size: 12px;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .bottom-cta-bar .cta-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--dark);
            letter-spacing: 0.3px;
        }
        .bottom-cta-bar .cta-buttons {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .bottom-cta-bar .close-cta {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--slate-weak);
            font-size: 16px;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .bottom-cta-bar .close-cta:hover {
            background-color: #F1F5F9;
            color: var(--slate-main);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--slate-weak);
            margin-bottom: 10px;
        }
        .breadcrumb a {
            color: var(--slate-main);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--slate-weak);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        .filter-tag-btn {
            padding: 7px 16px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--border-light);
            background-color: #fff;
            color: var(--slate-main);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .filter-tag-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
        }
        .filter-tag-btn.active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
        }
        .guide-card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .guide-card .gc-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #E2E8F0;
        }
        .guide-card .gc-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-card:hover .gc-cover img {
            transform: scale(1.05);
        }
        .guide-card .gc-cover .gc-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }
        .guide-card .gc-body {
            padding: 16px 18px 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .gc-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.45;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card .gc-summary {
            font-size: 13px;
            color: var(--slate-main);
            line-height: 1.6;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card .gc-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            border-top: 1px solid #F1F5F9;
            font-size: 12px;
            color: var(--slate-weak);
        }
        .guide-card .gc-meta .gm-stats {
            display: flex;
            gap: 14px;
        }
        .guide-card .gc-meta .gm-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .guide-card .gc-meta .gm-stats i {
            font-size: 12px;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            border: 1.5px dashed var(--border-light);
            background-color: #fff;
            color: var(--slate-main);
            font-weight: 500;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .load-more-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
        }
        .deep-article {
            background-color: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .deep-article:hover {
            box-shadow: var(--shadow-hover);
        }
        .deep-article .da-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            background-color: #E2E8F0;
            min-height: 100%;
        }
        .deep-article .da-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .deep-article:hover .da-image img {
            transform: scale(1.04);
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            background-color: #fff;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 20px;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-weight: 600;
            font-size: 14px;
            color: var(--dark);
            gap: 12px;
            transition: var(--transition-base);
        }
        .faq-item .faq-question:hover {
            background-color: var(--primary-light);
        }
        .faq-item .faq-question i {
            flex-shrink: 0;
            color: var(--slate-weak);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-item .faq-answer p {
            font-size: 13px;
            color: var(--slate-main);
            line-height: 1.7;
            margin: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: 10px;
            padding: 0 14px;
            transition: var(--transition-base);
        }
        .search-box i {
            color: var(--slate-weak);
            font-size: 14px;
            flex-shrink: 0;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: none;
            padding: 10px 0;
            font-size: 14px;
            color: var(--dark);
            min-width: 0;
        }
        .search-box input::placeholder {
            color: var(--slate-weak);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        @media (max-width: 1024px) {
            .nav-sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 64px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                gap: 8px 16px;
            }
            .footer-links {
                margin-left: 0;
            }
        }
        @media (max-width: 640px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .bottom-cta-bar {
                padding: 8px 12px;
            }
            .bottom-cta-bar .cta-text {
                font-size: 11px;
            }
            .bottom-cta-bar .cta-buttons .btn-primary,
            .bottom-cta-bar .cta-buttons .btn-secondary {
                padding: 8px 14px;
                font-size: 12px;
                border-radius: 7px;
            }
            .bottom-cta-bar .cta-buttons .btn-secondary {
                display: none;
            }
            .filter-tag-btn {
                padding: 6px 12px;
                font-size: 12px;
            }
            .guide-card .gc-title {
                font-size: 14px;
            }
            .guide-card .gc-summary {
                font-size: 12px;
            }
        }
        @media (min-width: 1025px) {
            .mobile-drawer {
                display: none;
            }
            .mobile-header {
                display: none;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid var(--primary);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }
        .card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .tag-blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .tag-teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }
        .tag-orange {
            background-color: #FFFBEB;
            color: #D97706;
        }
        .tag-gray {
            background-color: #F1F5F9;
            color: #64748B;
        }
        .tag-red {
            background-color: #FEF2F2;
            color: #DC2626;
        }
        /* 左侧导航 */
        .nav-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 260px;
            background-color: #fff;
            border-right: 1px solid var(--border-light);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .nav-sidebar .brand-area {
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .nav-sidebar .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }
        .nav-sidebar .brand-text {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .nav-sidebar .nav-links {
            flex: 1;
            overflow-y: auto;
            padding: 12px 4px;
        }
        .nav-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            position: relative;
        }
        .nav-sidebar .nav-link i {
            font-size: 16px;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }
        .nav-sidebar .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .nav-sidebar .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .nav-sidebar .nav-link.active:hover {
            background-color: var(--primary-deep);
            color: #fff;
        }
        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 60;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-header .mh-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 14px;
            color: var(--dark);
        }
        .mobile-header .mh-brand .brand-logo {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
        }
        .hamburger-btn {
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 6px;
            border-radius: 6px;
            transition: var(--transition-base);
        }
        .hamburger-btn:hover {
            background-color: var(--primary-light);
        }
        .hamburger-btn .bar {
            width: 22px;
            height: 2.5px;
            background-color: var(--dark);
            border-radius: 3px;
            transition: var(--transition-base);
        }
        /* 移动端抽屉 */
        .mobile-drawer {
            position: fixed;
            inset: 0;
            background-color: #fff;
            z-index: 70;
            display: none;
            flex-direction: column;
            padding: 16px;
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }
        .mobile-drawer.open {
            transform: translateX(0);
            display: flex;
        }
        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 16px;
        }
        .mobile-drawer .drawer-close {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--slate-main);
            padding: 4px 8px;
            border-radius: 6px;
        }
        .mobile-drawer .drawer-close:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            margin: 3px 0;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .mobile-drawer .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .nav-link.active {
            background-color: var(--primary);
            color: #fff;
        }
        /* 主内容区 */
        .main-content {
            margin-left: 260px;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .content-inner {
            flex: 1;
            max-width: 1280px;
            margin: 0 auto;
            padding: 24px 32px 120px;
            width: 100%;
        }
        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--slate-weak);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--slate-main);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border-light);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        /* 页面头 */
        .page-header {
            margin-bottom: 32px;
        }
        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .page-header .subtitle {
            font-size: 16px;
            color: var(--slate-main);
            max-width: 700px;
            line-height: 1.8;
        }
        /* 统计卡片 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 24px;
            text-align: center;
            transition: var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 20px;
        }
        .stat-card .stat-icon.blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .stat-card .stat-icon.teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }
        .stat-card .stat-icon.orange {
            background-color: #FFFBEB;
            color: #D97706;
        }
        .stat-card .stat-icon.purple {
            background-color: #F5F3FF;
            color: #7C3AED;
        }
        .stat-card .stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--slate-weak);
            margin-top: 4px;
        }
        /* 话题筛选区 */
        .topic-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
            align-items: center;
        }
        .topic-filter .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--slate-main);
            margin-right: 4px;
        }
        .topic-filter .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            border: 1px solid var(--border-light);
            background-color: #fff;
            color: var(--slate-main);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .topic-filter .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
        }
        .topic-filter .filter-tag.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        /* 帖子卡片 */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 40px;
        }
        .post-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            transition: var(--transition-base);
            cursor: pointer;
            position: relative;
        }
        .post-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary-lighter);
        }
        .post-card.pinned {
            border-left: 4px solid var(--accent-teal);
            background: linear-gradient(to right, #F0FDFA 0%, #FFFFFF 15%);
        }
        .post-card.pinned .pin-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            color: #0D9488;
            background-color: #F0FDFA;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 8px;
        }
        .post-card.hot .hot-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            color: #D97706;
            background-color: #FFFBEB;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 8px;
        }
        .post-card .post-header {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 12px;
        }
        .post-card .post-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
            letter-spacing: 1px;
        }
        .post-card .avatar-1 {
            background: linear-gradient(135deg, #6366F1, #8B5CF6);
        }
        .post-card .avatar-2 {
            background: linear-gradient(135deg, #06B6D4, #3B82F6);
        }
        .post-card .avatar-3 {
            background: linear-gradient(135deg, #F59E0B, #EF4444);
        }
        .post-card .avatar-4 {
            background: linear-gradient(135deg, #10B981, #14B8A6);
        }
        .post-card .avatar-5 {
            background: linear-gradient(135deg, #EC4899, #F43F5E);
        }
        .post-card .avatar-6 {
            background: linear-gradient(135deg, #8B5CF6, #D946EF);
        }
        .post-card .avatar-7 {
            background: linear-gradient(135deg, #3B82F6, #06B6D4);
        }
        .post-card .avatar-8 {
            background: linear-gradient(135deg, #F97316, #F59E0B);
        }
        .post-card .post-meta {
            flex: 1;
            min-width: 0;
        }
        .post-card .post-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 4px;
            line-height: 1.5;
            transition: var(--transition-base);
        }
        .post-card:hover .post-title {
            color: var(--primary);
        }
        .post-card .post-author-info {
            font-size: 12px;
            color: var(--slate-weak);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .post-card .post-author-info .author-name {
            color: var(--slate-main);
            font-weight: 500;
        }
        .post-card .post-excerpt {
            font-size: 14px;
            color: var(--slate-main);
            line-height: 1.7;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card .post-footer {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--slate-weak);
        }
        .post-card .post-footer .stat-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .post-card .post-footer .stat-item:hover {
            color: var(--primary);
        }
        /* 社区公告 */
        .community-notice {
            background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            margin-bottom: 40px;
            border: 1px solid var(--primary-lighter);
        }
        .community-notice h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .community-notice h3 i {
            color: var(--primary);
        }
        .community-notice p {
            font-size: 15px;
            color: var(--slate-main);
            line-height: 1.8;
            margin: 0 0 12px;
        }
        .community-notice .notice-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .community-notice .notice-list li {
            font-size: 14px;
            color: var(--slate-main);
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
        }
        .community-notice .notice-list li i {
            color: var(--primary);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }
        /* CTA 区域 */
        .cta-section {
            background: linear-gradient(135deg, #2563EB 0%, #1E5EFF 50%, #1D4ED8 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.5px;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 24px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-white {
            background-color: #fff;
            color: var(--primary);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            transition: var(--transition-base);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .cta-section .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .cta-section .btn-outline-white {
            background-color: transparent;
            color: #fff;
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
        }
        .cta-section .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        /* FAQ */
        .faq-section {
            margin-bottom: 40px;
        }
        .faq-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 20px;
            letter-spacing: 0.5px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 12px;
            background-color: #fff;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item.active {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-lighter);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--slate-weak);
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--slate-main);
            line-height: 1.8;
            margin: 0;
        }
        /* 页脚 */
        .footer {
            background-color: var(--dark);
            color: #CBD5E1;
            padding: 48px 32px 100px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand .fl-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.8;
            margin: 0;
        }
        .footer h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer ul a {
            font-size: 13px;
            color: #94A3B8;
            transition: var(--transition-base);
        }
        .footer ul a:hover {
            color: #fff;
        }
        .footer-subscribe form {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #334155;
            background-color: #1E293B;
            color: #E2E8F0;
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer-subscribe input::placeholder {
            color: #64748B;
        }
        .footer-subscribe input:focus {
            border-color: var(--primary);
            outline: none;
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 8px;
            border: none;
            background-color: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            background-color: var(--primary-deep);
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 32px auto 0;
            padding-top: 24px;
            border-top: 1px solid #334155;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #64748B;
        }
        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }
        .footer-bottom .footer-links a {
            color: #94A3B8;
            font-size: 12px;
        }
        .footer-bottom .footer-links a:hover {
            color: #fff;
        }
        /* 底部固定转化条 */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 260px;
            right: 0;
            z-index: 55;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: transform 0.3s ease;
        }
        .bottom-cta-bar .cta-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            letter-spacing: 0.3px;
        }
        .bottom-cta-bar .cta-text span {
            color: var(--primary);
        }
        .bottom-cta-bar .cta-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .bottom-cta-bar .cta-close {
            background: none;
            border: none;
            font-size: 18px;
            color: var(--slate-weak);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .bottom-cta-bar .cta-close:hover {
            color: var(--dark);
            background-color: var(--border-light);
        }
        /* 加载更多 */
        .load-more-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 10px;
            border: 1px solid var(--border-light);
            background-color: #fff;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            margin: 0 auto 40px;
            letter-spacing: 0.3px;
        }
        .load-more-btn:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }
        /* 响应式断点 */
        @media (max-width: 1024px) {
            .nav-sidebar {
                transform: translateX(-100%);
            }
            .nav-sidebar.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .content-inner {
                padding: 20px 16px 100px;
                max-width: 100%;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-bottom .footer-links {
                margin-left: 0;
            }
            .bottom-cta-bar {
                left: 0;
                padding: 10px 16px;
            }
        }
        @media (max-width: 640px) {
            .page-header h1 {
                font-size: 22px;
            }
            .page-header .subtitle {
                font-size: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-card .stat-value {
                font-size: 22px;
            }
            .post-card {
                padding: 16px;
            }
            .post-card .post-title {
                font-size: 14px;
            }
            .community-notice {
                padding: 20px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 32px 16px 100px;
            }
            .bottom-cta-bar .cta-text {
                font-size: 12px;
            }
            .bottom-cta-bar .cta-actions {
                gap: 6px;
            }
            .bottom-cta-bar .btn-sm {
                padding: 6px 12px;
                font-size: 11px;
            }
            .content-inner {
                padding: 16px 12px 100px;
            }
            .topic-filter {
                gap: 6px;
            }
            .topic-filter .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        /* roulang page: help-center */
        :root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid var(--primary);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }
        .card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .tag-blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .tag-teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }
        .tag-orange {
            background-color: #FFFBEB;
            color: #D97706;
        }
        .tag-gray {
            background-color: #F1F5F9;
            color: #64748B;
        }
        .nav-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 260px;
            background-color: #fff;
            border-right: 1px solid var(--border-light);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .nav-sidebar .brand-area {
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .nav-sidebar .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }
        .nav-sidebar .brand-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .nav-sidebar .nav-links {
            flex: 1;
            overflow-y: auto;
            padding: 12px 8px;
        }
        .nav-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            position: relative;
        }
        .nav-sidebar .nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .nav-sidebar .nav-link span {
            white-space: nowrap;
        }
        .nav-sidebar .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .nav-sidebar .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .nav-sidebar .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-light);
            font-size: 12px;
            color: var(--slate-weak);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-sidebar .sidebar-footer i {
            color: var(--accent-teal);
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 60;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-header .mh-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 14px;
            color: var(--dark);
        }
        .mobile-header .mh-brand .brand-logo {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .mobile-header .hamburger:hover {
            background-color: var(--primary-light);
        }
        .mobile-header .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-drawer {
            position: fixed;
            inset: 0;
            background-color: #fff;
            z-index: 70;
            display: none;
            flex-direction: column;
            padding: 16px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer .md-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .mobile-drawer .md-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            background: transparent;
            font-size: 22px;
            cursor: pointer;
            border-radius: 8px;
            color: var(--slate-main);
            transition: var(--transition-base);
        }
        .mobile-drawer .md-close:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 14px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition-base);
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-drawer .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 17px;
        }
        .mobile-drawer .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .main-content {
            margin-left: 260px;
            padding: 0 24px;
            max-width: 1280px;
            min-height: 100vh;
        }
        .section-pad {
            padding-top: 80px;
            padding-bottom: 40px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--slate-weak);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--slate-main);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--slate-weak);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        .page-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .page-subtitle {
            font-size: 16px;
            color: var(--slate-main);
            max-width: 700px;
            line-height: 1.7;
        }
        .help-category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 32px;
            margin-bottom: 32px;
        }
        .help-cat-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .help-cat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-lighter);
        }
        .help-cat-card i {
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
        }
        .help-cat-card h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
        }
        .help-cat-card p {
            font-size: 12px;
            color: var(--slate-weak);
            line-height: 1.5;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: #fff;
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .faq-item.active {
            border-color: var(--primary-lighter);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            border: none;
            background: transparent;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            gap: 12px;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .faq-item.active .faq-question .faq-icon {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--slate-main);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .contact-section {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-card);
            margin-top: 40px;
        }
        .contact-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .contact-section .contact-desc {
            font-size: 14px;
            color: var(--slate-main);
            margin-bottom: 24px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group.full {
            grid-column: 1 / -1;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 500;
            color: var(--slate-main);
        }
        .form-group label .required {
            color: #EF4444;
            margin-left: 2px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 12px 14px;
            font-size: 14px;
            color: var(--dark);
            background: #fff;
            transition: var(--transition-base);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }
        .footer {
            background-color: #0F172A;
            color: #CBD5E1;
            padding: 48px 24px 40px;
            margin-left: 260px;
            padding-bottom: 100px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 32px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #94A3B8;
            margin-top: 12px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo .fl-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .footer-logo span {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .footer h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            font-size: 13px;
            color: #94A3B8;
            transition: var(--transition-base);
        }
        .footer ul li a:hover {
            color: #fff;
        }
        .footer-subscribe form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #334155;
            background: #1E293B;
            color: #fff;
            font-size: 13px;
        }
        .footer-subscribe input::placeholder {
            color: #64748B;
        }
        .footer-subscribe input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 8px;
            border: none;
            background-color: var(--primary);
            color: #fff;
            font-weight: 500;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            background-color: var(--primary-deep);
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid #1E293B;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: #64748B;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .footer-links a {
            color: #64748B;
            font-size: 12px;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 260px;
            right: 0;
            z-index: 55;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .fixed-cta-bar .cta-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--slate-main);
            letter-spacing: 0.3px;
        }
        .fixed-cta-bar .cta-buttons {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }
        .fixed-cta-bar .cta-close {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: none;
            background: transparent;
            color: var(--slate-weak);
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .fixed-cta-bar .cta-close:hover {
            background-color: #F1F5F9;
            color: var(--dark);
        }
        @media (max-width: 1024px) {
            .nav-sidebar {
                transform: translateX(-100%);
            }
            .nav-sidebar.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding: 0 16px;
                padding-top: 64px;
            }
            .footer {
                margin-left: 0;
                padding-bottom: 100px;
            }
            .fixed-cta-bar {
                left: 0;
            }
            .help-category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .page-title {
                font-size: 28px;
            }
        }
        @media (max-width: 640px) {
            .help-category-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .contact-section {
                padding: 20px;
            }
            .page-title {
                font-size: 24px;
            }
            .fixed-cta-bar {
                padding: 8px 12px;
                gap: 8px;
            }
            .fixed-cta-bar .cta-text {
                font-size: 12px;
            }
            .fixed-cta-bar .cta-buttons {
                gap: 6px;
            }
            .fixed-cta-bar .btn-primary,
            .fixed-cta-bar .btn-secondary {
                padding: 8px 14px;
                font-size: 12px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #2563EB;
            --primary-deep: #1D4ED8;
            --primary-light: #EFF6FF;
            --primary-lighter: #DBEAFE;
            --dark: #0F172A;
            --dark-secondary: #1E293B;
            --body-bg: #F8FAFC;
            --slate-main: #475569;
            --slate-weak: #94A3B8;
            --accent-teal: #14B8A6;
            --accent-orange: #F59E0B;
            --border-light: #E2E8F0;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            padding: 11px 27px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1.5px solid var(--primary);
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }
        .card {
            background-color: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .tag-blue {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .tag-teal {
            background-color: #F0FDFA;
            color: #0D9488;
        }
        .tag-orange {
            background-color: #FFFBEB;
            color: #D97706;
        }
        .tag-gray {
            background-color: #F1F5F9;
            color: #64748B;
        }
        .nav-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 260px;
            background-color: #fff;
            border-right: 1px solid var(--border-light);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .nav-sidebar .brand-area {
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .nav-sidebar .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }
        .nav-sidebar .brand-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .nav-sidebar .nav-links {
            flex: 1;
            overflow-y: auto;
            padding: 12px 8px;
        }
        .nav-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            margin: 2px 8px;
            border-radius: 10px;
            color: var(--slate-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .nav-sidebar .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .nav-sidebar .nav-link.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
        }
        .nav-sidebar .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .main-content {
            margin-left: 260px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .topbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 60;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .topbar-mobile .tb-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 14px;
            color: var(--dark);
        }
        .topbar-mobile .tb-logo .brand-logo {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
        }
        .topbar-mobile .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            cursor: pointer;
            border-radius: 8px;
            background: transparent;
            border: none;
            padding: 0;
        }
        .topbar-mobile .hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-drawer {
            position: fixed;
            inset: 0;
            background-color: #fff;
            z-index: 70;
            display: flex;
            flex-direction: column;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-header {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-drawer .drawer-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            background: transparent;
            font-size: 20px;
            color: var(--dark);
            border-radius: 8px;
        }
        .mobile-drawer .drawer-close:hover {
            background-color: var(--primary-light);
        }
        .mobile-drawer .drawer-nav {
            flex: 1;
            overflow-y: auto;
            padding: 16px;
        }
        .mobile-drawer .drawer-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 18px;
            border-radius: 12px;
            font-size: 17px;
            font-weight: 500;
            color: var(--slate-main);
            margin-bottom: 4px;
            transition: var(--transition-base);
        }
        .mobile-drawer .drawer-nav .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .mobile-drawer .drawer-nav .nav-link.active {
            background-color: var(--primary);
            color: #fff;
        }
        .page-hero {
            background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
            padding: 60px 40px 50px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .table-rank-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .rank-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 700px;
        }
        .rank-table thead th {
            background-color: #F1F5F9;
            color: var(--slate-main);
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
            white-space: nowrap;
        }
        .rank-table thead th:first-child {
            border-radius: 10px 0 0 0;
        }
        .rank-table thead th:last-child {
            border-radius: 0 10px 0 0;
        }
        .rank-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid #F1F5F9;
            font-size: 14px;
            color: var(--slate-main);
            vertical-align: middle;
            white-space: nowrap;
        }
        .rank-table tbody tr {
            transition: background-color 0.2s ease;
        }
        .rank-table tbody tr:nth-child(even) {
            background-color: #FAFBFC;
        }
        .rank-table tbody tr:hover {
            background-color: var(--primary-light);
        }
        .rank-table tbody tr:last-child td {
            border-bottom: none;
        }
        .rank-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 10px;
        }
        .rank-table tbody tr:last-child td:last-child {
            border-radius: 0 0 10px 0;
        }
        .rank-num {
            font-weight: 700;
            font-size: 16px;
            color: var(--dark);
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: #F1F5F9;
        }
        .rank-num.top1 {
            background-color: #FEF3C7;
            color: #B45309;
        }
        .rank-num.top2 {
            background-color: #E2E8F0;
            color: #475569;
        }
        .rank-num.top3 {
            background-color: #FDE8D7;
            color: #C2410C;
        }
        .player-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 160px;
        }
        .player-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #60A5FA, #2563EB);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .winrate-bar {
            width: 80px;
            height: 6px;
            background-color: #E2E8F0;
            border-radius: 9999px;
            overflow: hidden;
            display: inline-block;
            vertical-align: middle;
            margin-right: 8px;
        }
        .winrate-bar-fill {
            height: 100%;
            border-radius: 9999px;
            background: linear-gradient(90deg, #14B8A6, #0D9488);
        }
        .stat-card-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 12px;
            background-color: #fff;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--primary-lighter);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--dark);
            text-align: left;
            letter-spacing: 0.3px;
        }
        .faq-question i {
            color: var(--slate-weak);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            color: var(--slate-main);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            display: block;
            animation: fadeInUp 0.3s ease;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 55;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.06);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .footer {
            background-color: #0F172A;
            color: #CBD5E1;
            padding: 60px 40px 100px;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .fl-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #1E5EFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .footer-brand .footer-logo span {
            font-weight: 700;
            font-size: 15px;
            color: #fff;
        }
        .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: #94A3B8;
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer ul li a:hover {
            color: #fff;
        }
        .footer-subscribe form {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #334155;
            background-color: #1E293B;
            color: #fff;
            font-size: 13px;
        }
        .footer-subscribe input::placeholder {
            color: #64748B;
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 8px;
            border: none;
            background-color: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .footer-subscribe button:hover {
            background-color: var(--primary-deep);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 40px auto 0;
            padding-top: 20px;
            border-top: 1px solid #1E293B;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            font-size: 12px;
            color: #64748B;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }
        .footer-links a {
            color: #94A3B8;
            font-size: 12px;
        }
        .footer-links a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .nav-sidebar {
                transform: translateX(-100%);
            }
            .nav-sidebar.open {
                transform: translateX(0);
                box-shadow: 0 0 40px rgba(0, 0, 0, 0.15);
            }
            .main-content {
                margin-left: 0;
            }
            .topbar-mobile {
                display: flex;
            }
            .page-hero {
                padding: 40px 20px 36px;
                margin-top: 64px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer {
                padding: 40px 24px 100px;
            }
        }
        @media (max-width: 640px) {
            .page-hero {
                padding: 32px 16px 28px;
                margin-top: 64px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 32px 16px 100px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-links {
                margin-left: 0;
            }
            .fixed-bottom-bar {
                padding: 8px 12px;
                gap: 6px;
            }
            .fixed-bottom-bar .fb-text {
                font-size: 11px;
            }
            .fixed-bottom-bar .btn-primary,
            .fixed-bottom-bar .btn-secondary {
                padding: 8px 12px;
                font-size: 12px;
            }
            .rank-table tbody td,
            .rank-table thead th {
                padding: 10px 12px;
                font-size: 12px;
            }
            .stat-card-num {
                font-size: 26px;
            }
            .player-cell {
                min-width: 120px;
            }
        }
        @media (max-width: 360px) {
            .fixed-bottom-bar .fb-text {
                display: none;
            }
            .fixed-bottom-bar .btn-secondary {
                display: none;
            }
        }