/* roulang page: index */
:root {
            --brand-500: #1a56db;
            --brand-600: #1e40af;
            --accent-400: #f59e0b;
            --accent-500: #d97706;
            --warm-500: #f97316;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --text-light: #94a3b8;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-light: #e2e8f0;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-card: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            color: var(--text-primary);
            line-height: 1.6;
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input, textarea {
            font-family: inherit;
            transition: var(--transition);
        }

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
        }

        /* Nav */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226,232,240,0.6);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            height: 72px;
            transition: var(--transition);
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            -webkit-text-fill-color: var(--accent-400);
            font-size: 1.6rem;
            background: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 4px;
            align-items: center;
        }

        .nav-links li a {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--brand-500);
            background: rgba(26,86,219,0.06);
        }

        .nav-links li a.active {
            color: var(--brand-600);
            background: rgba(26,86,219,0.1);
            font-weight: 600;
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--accent-400), var(--accent-500)) !important;
            color: #fff !important;
            padding: 8px 24px !important;
            border-radius: 40px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 14px rgba(245,158,11,0.3);
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(245,158,11,0.4) !important;
            background: linear-gradient(135deg, var(--accent-500), #b45309) !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .mobile-toggle:hover {
            background: rgba(0,0,0,0.04);
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 20px 40px rgba(0,0,0,0.1);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links li a {
                padding: 12px 20px;
                width: 100%;
                border-radius: 12px;
                font-size: 1.05rem;
            }

            .nav-cta {
                text-align: center;
                margin-top: 8px;
            }
        }

        @media (max-width: 520px) {
            .navbar {
                height: 64px;
            }
            .navbar .container {
                height: 64px;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-logo i {
                font-size: 1.3rem;
            }
        }

        /* Hero */
        .hero {
            padding: 120px 0 80px;
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #0f1b2d 0%, #1e3050 40%, #1a3a6a 100%);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26,86,219,0.3) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 20%, rgba(245,158,11,0.15) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            color: var(--accent-400);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, #93c5fd 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.75);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .hero-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
            color: #fff;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            box-shadow: 0 8px 32px rgba(245,158,11,0.35);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .hero-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(245,158,11,0.45);
        }

        .hero-btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.2);
            color: #fff;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .hero-btn-secondary:hover {
            background: rgba(255,255,255,0.18);
            border-color: rgba(255,255,255,0.3);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .hero-stat-item .num span {
            color: var(--accent-400);
        }

        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 100px 0 60px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-btn-primary, .hero-btn-secondary {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat-item .num {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item {
                flex: 1 1 40%;
            }
        }

        /* Section Shared */
        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-title p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-title .badge-line {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .section-title .badge-line span {
            background: rgba(26,86,219,0.08);
            color: var(--brand-500);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .section-title .badge-line .line {
            width: 40px;
            height: 2px;
            background: var(--accent-400);
            border-radius: 2px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .section-title p {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .section-title h2 {
                font-size: 1.4rem;
            }
        }

        /* Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(26,86,219,0.15);
        }

        .feature-card .icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, rgba(26,86,219,0.08), rgba(59,130,246,0.12));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--brand-500);
            transition: var(--transition);
        }

        .feature-card:hover .icon {
            background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        /* Hot Events */
        .events-section {
            background: var(--bg-light);
        }

        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .event-card .thumb {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .event-card .thumb .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .event-card .thumb .live-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: #ef4444;
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 5px;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .event-card .thumb .live-badge i {
            font-size: 0.5rem;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .event-card .info {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card .info .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .event-card .info .meta i {
            margin-right: 3px;
        }

        .event-card .info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .event-card .info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .event-card .info .btn-detail {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-500);
            font-weight: 600;
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .event-card .info .btn-detail:hover {
            color: var(--brand-600);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .events-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-card .thumb {
                height: 180px;
            }
        }

        /* News / CMS List */
        .news-section {
            background: var(--bg-white);
        }

        .news-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 12px;
        }

        .news-item .num-badge {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: rgba(26,86,219,0.07);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--brand-500);
            transition: var(--transition);
        }

        .news-item:hover .num-badge {
            background: var(--brand-500);
            color: #fff;
        }

        .news-item .content {
            flex: 1;
        }

        .news-item .content .title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: var(--transition);
            display: block;
        }

        .news-item .content .title:hover {
            color: var(--brand-500);
        }

        .news-item .content .summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .content .meta-bottom {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 8px;
            font-size: 0.78rem;
            color: var(--text-light);
        }

        .news-item .content .meta-bottom .cat {
            background: rgba(26,86,219,0.07);
            color: var(--brand-500);
            padding: 2px 12px;
            border-radius: 20px;
            font-weight: 500;
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--bg-light);
            border-radius: var(--radius-xl);
        }

        .news-empty i {
            font-size: 2.4rem;
            margin-bottom: 16px;
            display: block;
            color: var(--text-light);
        }

        @media (max-width: 520px) {
            .news-item {
                gap: 14px;
                padding: 18px 0;
            }
            .news-item .content .title {
                font-size: 0.95rem;
            }
            .news-item .num-badge {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
        }

        /* Data / Stats */
        .stats-section {
            background: linear-gradient(135deg, #0f1b2d 0%, #1e3050 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

        .stats-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stats-grid .item .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .stats-grid .item .num span {
            color: var(--accent-400);
        }

        .stats-grid .item .label {
            font-size: 0.92rem;
            color: rgba(255,255,255,0.6);
            margin-top: 6px;
        }

        .stats-grid .item .icon-wrap {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: rgba(255,255,255,0.08);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-400);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 20px;
            }
            .stats-grid .item .num {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px 16px;
            }
            .stats-grid .item .num {
                font-size: 1.6rem;
            }
            .stats-grid .item .icon-wrap {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }

        /* Process */
        .process-steps {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            max-width: 280px;
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
            counter-increment: step;
        }

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

        .process-step .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .process-step::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.6rem;
            color: var(--accent-400);
            font-weight: 300;
        }

        .process-step:last-child::after {
            display: none;
        }

        @media (max-width: 768px) {
            .process-steps {
                flex-direction: column;
                align-items: center;
            }
            .process-step {
                max-width: 400px;
                width: 100%;
            }
            .process-step::after {
                content: '↓';
                right: auto;
                bottom: -20px;
                top: auto;
                left: 50%;
                transform: translateX(-50%) rotate(90deg);
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-light);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(26,86,219,0.15);
        }

        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            gap: 16px;
            user-select: none;
        }

        .faq-item .faq-q i {
            color: var(--brand-500);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item .faq-q .q-icon {
            width: 28px;
            height: 28px;
            background: rgba(26,86,219,0.08);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }

        @media (max-width: 520px) {
            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.07;
            mix-blend-mode: overlay;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-content .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--brand-600);
            padding: 16px 44px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            box-shadow: 0 8px 32px rgba(0,0,0,0.15);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .cta-content .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.25);
            background: #f8fafc;
        }

        .cta-content .btn-cta i {
            transition: var(--transition);
        }

        .cta-content .btn-cta:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 1.7rem;
            }
            .cta-content p {
                font-size: 0.95rem;
            }
            .cta-content .btn-cta {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .cta-content h2 {
                font-size: 1.4rem;
            }
        }

        /* Footer */
        .footer {
            background: #0f1b2d;
            color: rgba(255,255,255,0.7);
            padding: 56px 0 32px;
        }

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

        .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-brand .logo i {
            color: var(--accent-400);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-400);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.4);
        }

        .footer-bottom a:hover {
            color: var(--accent-400);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Scroll to top */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(26,86,219,0.3);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .scroll-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(26,86,219,0.4);
        }

        @media (max-width: 520px) {
            .scroll-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-delay-1 { animation-delay: 0.1s; }
        .animate-delay-2 { animation-delay: 0.2s; }
        .animate-delay-3 { animation-delay: 0.3s; }
        .animate-delay-4 { animation-delay: 0.4s; }

        /* Partner / Trust */
        .trust-bar {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            padding: 20px 0 0;
            opacity: 0.5;
        }

        .trust-bar span {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .trust-bar i {
            font-size: 1.6rem;
            color: var(--text-light);
            transition: var(--transition);
        }

        .trust-bar i:hover {
            color: var(--text-primary);
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --text-dark: #1d3557;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border: #dee2e6;
            --shadow: 0 4px 24px rgba(0,0,0,0.08);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.14);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            color: var(--text-dark);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button { cursor: pointer; font-family: inherit; }

        /* ===== 导航 ===== */
        .navbar {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
        .nav-logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.5px;
        }
        .nav-logo i { font-size: 1.6rem; color: var(--primary); }
        .nav-logo:hover { opacity: 0.85; }
        .nav-links { display: flex; align-items: center; gap: 8px; list-style: none; margin: 0; }
        .nav-links li a {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 18px; border-radius: 50px;
            font-size: 0.95rem; font-weight: 500; color: var(--text-dark);
            transition: var(--transition); position: relative;
        }
        .nav-links li a:hover { color: var(--primary); background: rgba(230,57,70,0.06); }
        .nav-links li a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 14px rgba(230,57,70,0.3); }
        .nav-links li a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; padding: 8px 22px; border-radius: 50px;
            box-shadow: 0 4px 16px rgba(230,57,70,0.3);
            font-weight: 600;
        }
        .nav-links li a.nav-cta:hover { box-shadow: 0 6px 24px rgba(230,57,70,0.45); transform: translateY(-1px); }
        .nav-links li a.nav-cta i { color: #ffd700; }
        .mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-dark); padding: 8px; border-radius: 8px; }
        .mobile-toggle:hover { background: rgba(0,0,0,0.05); }

        /* ===== 文章 Banner ===== */
        .article-banner {
            margin-top: 72px;
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 60%, var(--secondary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .article-banner .container { position: relative; z-index: 2; padding: 60px 20px 50px; text-align: center; }
        .article-banner .category-badge {
            display: inline-block;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
            color: #fff; padding: 6px 20px; border-radius: 50px;
            font-size: 0.85rem; font-weight: 500; margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .article-banner h1 {
            font-size: 2.6rem; font-weight: 800; color: #fff;
            line-height: 1.25; margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.15);
            max-width: 860px; margin-left: auto; margin-right: auto;
        }
        .article-banner .meta {
            display: flex; justify-content: center; align-items: center; gap: 24px;
            color: rgba(255,255,255,0.75); font-size: 0.95rem; flex-wrap: wrap;
        }
        .article-banner .meta i { margin-right: 6px; }
        .article-banner .meta span { display: inline-flex; align-items: center; }

        /* ===== 文章主体 ===== */
        .article-main { padding: 50px 0 70px; }
        .article-main .container { max-width: 860px; }
        .article-body {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 50px 56px;
            font-size: 1.05rem;
            line-height: 1.85;
            color: #2c3e50;
        }
        .article-body p { margin-bottom: 1.4em; }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 1.8em; margin-bottom: 0.8em;
            color: var(--secondary); font-weight: 700; line-height: 1.3;
        }
        .article-body h2 { font-size: 1.6rem; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body ul, .article-body ol { margin-bottom: 1.4em; padding-left: 1.5em; }
        .article-body li { margin-bottom: 0.5em; }
        .article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230,57,70,0.04);
            padding: 16px 24px; margin: 1.5em 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic; color: #555;
        }
        .article-body img { border-radius: var(--radius); margin: 1.5em 0; box-shadow: var(--shadow); }
        .article-body table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
        .article-body th, .article-body td { padding: 12px 16px; border: 1px solid var(--border); text-align: left; }
        .article-body th { background: rgba(230,57,70,0.06); font-weight: 600; color: var(--secondary); }
        .article-body .wp-block-image { margin: 1.5em 0; }
        .article-body code { background: #f1f3f5; padding: 2px 8px; border-radius: 4px; font-size: 0.9em; color: var(--primary-dark); }

        .article-not-found {
            text-align: center; padding: 80px 20px; background: #fff;
            border-radius: var(--radius-lg); box-shadow: var(--shadow);
        }
        .article-not-found i { font-size: 3.5rem; color: var(--text-muted); margin-bottom: 20px; display: block; }
        .article-not-found h3 { font-size: 1.5rem; color: var(--text-dark); margin-bottom: 12px; }
        .article-not-found p { color: var(--text-muted); margin-bottom: 24px; }
        .article-not-found .btn-back {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--primary); color: #fff; padding: 12px 32px;
            border-radius: 50px; font-weight: 600;
            box-shadow: 0 4px 16px rgba(230,57,70,0.25);
        }
        .article-not-found .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(230,57,70,0.35); }

        /* ===== 相关推荐 ===== */
        .related-section {
            background: var(--bg-light);
            padding: 60px 0;
            border-top: 1px solid rgba(0,0,0,0.04);
        }
        .related-section .section-title {
            text-align: center; font-size: 1.8rem; font-weight: 700;
            color: var(--secondary); margin-bottom: 12px;
        }
        .related-section .section-sub {
            text-align: center; color: var(--text-muted); margin-bottom: 40px; font-size: 1.05rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #fff; border-radius: var(--radius);
            box-shadow: var(--shadow); overflow: hidden;
            transition: var(--transition);
            display: flex; flex-direction: column;
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card .card-img {
            height: 200px; overflow: hidden; position: relative;
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .related-card .card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--secondary); line-height: 1.4; }
        .related-card .card-body p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 14px; flex: 1; }
        .related-card .card-body .read-more {
            color: var(--primary); font-weight: 600; font-size: 0.9rem;
            display: inline-flex; align-items: center; gap: 6px;
        }
        .related-card .card-body .read-more:hover { gap: 10px; }

        /* ===== CTA ===== */
        .article-cta {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .article-cta .container { position: relative; z-index: 2; text-align: center; }
        .article-cta h2 { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .article-cta p { color: rgba(255,255,255,0.7); max-width: 620px; margin: 0 auto 32px; font-size: 1.05rem; }
        .article-cta .cta-btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .article-cta .btn-primary {
            background: var(--primary); color: #fff; padding: 14px 38px;
            border-radius: 50px; font-weight: 600; font-size: 1.05rem;
            box-shadow: 0 4px 20px rgba(230,57,70,0.35);
            transition: var(--transition);
            display: inline-flex; align-items: center; gap: 10px;
        }
        .article-cta .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(230,57,70,0.45); }
        .article-cta .btn-outline {
            background: transparent; color: #fff; padding: 14px 38px;
            border-radius: 50px; font-weight: 600; font-size: 1.05rem;
            border: 2px solid rgba(255,255,255,0.3);
            transition: var(--transition);
            display: inline-flex; align-items: center; gap: 10px;
        }
        .article-cta .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 0;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.4rem; font-weight: 800; color: #fff;
            margin-bottom: 16px;
        }
        .footer .logo i { color: var(--primary); font-size: 1.5rem; }
        .footer-brand p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 360px; }
        .footer-col h4 { color: #fff; font-weight: 600; margin-bottom: 18px; font-size: 1.05rem; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 0.92rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            display: flex; justify-content: space-between; align-items: center;
            padding: 24px 0; flex-wrap: wrap; gap: 12px;
            font-size: 0.88rem; color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.45); }
        .footer-bottom a:hover { color: var(--primary); }
        .footer-bottom span { display: inline-flex; align-items: center; gap: 8px; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .navbar { height: 64px; }
            .article-banner { margin-top: 64px; min-height: 240px; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-banner .meta { gap: 12px; font-size: 0.85rem; flex-direction: column; }
            .article-body { padding: 28px 24px; font-size: 0.98rem; }
            .nav-links {
                display: none; position: absolute; top: 64px; left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(16px);
                flex-direction: column; padding: 16px 20px; gap: 6px;
                border-bottom: 1px solid rgba(0,0,0,0.06);
                box-shadow: 0 12px 40px rgba(0,0,0,0.08);
            }
            .nav-links.open { display: flex; }
            .nav-links li a { width: 100%; justify-content: center; padding: 12px 18px; }
            .mobile-toggle { display: block; }
            .related-grid { grid-template-columns: 1fr; }
            .article-cta h2 { font-size: 1.5rem; }
            .article-cta .cta-btn-group { flex-direction: column; align-items: center; }
            .footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-banner h1 { font-size: 1.4rem; }
            .article-body { padding: 20px 16px; font-size: 0.92rem; }
            .nav-logo { font-size: 1.2rem; }
            .nav-logo i { font-size: 1.2rem; }
        }

/* roulang page: category1 */
*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
            line-height: 1.6;
            color: #0f172a;
            background: #f8fafc;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        :root {
            --primary: #e8432a;
            --primary-dark: #c7361f;
            --primary-light: #ff6b4a;
            --secondary: #1e293b;
            --secondary-light: #334155;
            --accent: #f97316;
            --accent-light: #fb923c;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-light: #e2e8f0;
            --border-medium: #cbd5e1;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            font: inherit;
            border: none;
            background: none;
        }
        input,
        textarea {
            font: inherit;
            border: none;
            outline: none;
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .navbar {
            background: var(--secondary);
            padding: 0 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
            border-bottom: 3px solid var(--primary);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .nav-logo i {
            color: var(--primary);
            font-size: 1.6rem;
            transition: transform 0.4s ease;
        }
        .nav-logo:hover i {
            transform: rotate(-15deg) scale(1.1);
        }
        .nav-logo:hover {
            color: var(--primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links li a {
            color: rgba(255, 255, 255, 0.8);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links li a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(232, 67, 42, 0.35);
        }
        .nav-links li a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 14px rgba(232, 67, 42, 0.3);
        }
        .nav-links li a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 67, 42, 0.4);
        }
        .mobile-toggle {
            display: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--secondary);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 18px;
                font-size: 1.05rem;
            }
            .nav-links li a.nav-cta {
                justify-content: center;
                margin-top: 4px;
            }
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(30, 41, 59, 0.75)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 80px 24px;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 67, 42, 0.2);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(232, 67, 42, 0.3);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }
        .hero-badge i {
            color: var(--primary-light);
        }
        .hero h1 {
            font-size: 3.6rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.7;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-actions .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 30px rgba(232, 67, 42, 0.35);
            transition: var(--transition);
        }
        .hero-actions .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(232, 67, 42, 0.45);
        }
        .hero-actions .btn-secondary {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            color: #fff;
            padding: 16px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
        }
        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
            border-color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 420px;
                padding: 60px 16px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-header .subtitle-accent {
            display: inline-block;
            background: rgba(232, 67, 42, 0.08);
            color: var(--primary);
            padding: 4px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .section-header p {
                font-size: 1rem;
            }
        }

        /* ===== CARDS ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--border-medium);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 24px 22px 28px;
        }
        .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card-body .card-tag {
            display: inline-block;
            background: rgba(232, 67, 42, 0.08);
            color: var(--primary);
            padding: 3px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .card-body .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .card-body .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== GRID ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-6 {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-6 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4,
            .grid-6 {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .grid-2,
            .grid-3,
            .grid-4,
            .grid-6 {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ===== ADVANTAGES ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .advantage-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 28px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .advantage-item:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .advantage-item .icon-wrap {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(232, 67, 42, 0.1), rgba(249, 115, 22, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .advantage-item:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .advantage-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .advantage-item p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
        }
        @media (max-width: 520px) {
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ===== SPORTS CATEGORY ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .sport-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .sport-card .sport-img {
            width: 100%;
            aspect-ratio: 16 / 11;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .sport-card:hover .sport-img {
            transform: scale(1.05);
        }
        .sport-card .sport-body {
            padding: 20px 22px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .sport-card .sport-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .sport-card .sport-body .sport-count {
            background: rgba(232, 67, 42, 0.08);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .sports-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== STATS ===== */
        .stats-section {
            background: var(--secondary);
            background-image: linear-gradient(135deg, var(--secondary) 0%, #0f172a 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 67, 42, 0.08), transparent 70%);
            pointer-events: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(232, 67, 42, 0.3);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }
        .stat-item .stat-number span {
            color: var(--primary-light);
        }
        .stat-item .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-item {
                padding: 20px 12px;
            }
        }

        /* ===== FLOW / STEPS ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
        }
        .flow-grid::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--accent), var(--primary-light));
            border-radius: 3px;
            opacity: 0.3;
            z-index: 0;
        }
        .flow-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 20px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .flow-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .flow-step .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            margin: 0 auto 18px;
            box-shadow: 0 6px 20px rgba(232, 67, 42, 0.3);
        }
        .flow-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .flow-step p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .flow-grid::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .flow-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #c7361f 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.3px;
        }
        .cta-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .cta-content .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            color: var(--primary);
            padding: 18px 48px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
        }
        .cta-content .btn-cta:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
            background: #fff8f5;
        }
        .cta-content .btn-cta i {
            font-size: 1.2rem;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 1.8rem;
            }
            .cta-content p {
                font-size: 1rem;
            }
            .cta-content .btn-cta {
                padding: 15px 34px;
                font-size: 1rem;
            }
        }

        /* ===== FOOTER ===== */
        .footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--primary);
            font-size: 1.7rem;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== MISC ===== */
        .tag {
            display: inline-block;
            background: rgba(232, 67, 42, 0.08);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 24px;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-soft-primary {
            background: rgba(232, 67, 42, 0.04);
        }

        /* focus-visible accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* smooth reveal */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }