/* roulang page: index */
:root {
            --color-brand-red: #dc2626;
            --color-brand-red-dark: #b91c1c;
            --color-brand-red-light: #ef4444;
            --color-brand-gold: #f59e0b;
            --color-brand-gold-light: #fbbf24;
            --color-brand-dark: #0f0f1a;
            --color-brand-dark-2: #1a1a2e;
            --color-brand-dark-3: #16213e;
            --color-brand-surface: #1e1e32;
            --color-brand-muted: #9ca3af;
            --color-brand-border: #2a2a40;
            --color-white: #ffffff;
            --color-off-white: #f8f9fa;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.18);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
            --shadow-glow-red: 0 0 40px rgba(220, 38, 38, 0.3);
            --shadow-glow-gold: 0 0 30px rgba(245, 158, 11, 0.25);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-lg: 1.125rem;
            --font-xl: 1.25rem;
            --font-2xl: 1.5rem;
            --font-3xl: 1.875rem;
            --font-4xl: 2.25rem;
            --font-5xl: 3rem;
            --font-6xl: 3.75rem;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            color: #1f2937;
            background-color: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        input,
        button,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-brand-red);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--header-height);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.97);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
            border-bottom-color: rgba(255, 255, 255, 0.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-brand-gold-light);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-brand-red), var(--color-brand-red-dark));
            border-radius: var(--radius-md);
            font-size: 1.2rem;
            color: #ffffff;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 600;
            color: #d1d5db;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #ffffff;
            background: rgba(220, 38, 38, 0.3);
            pointer-events: none;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 700;
            background: linear-gradient(135deg, var(--color-brand-red), var(--color-brand-red-dark));
            color: #ffffff;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-brand-red-light), var(--color-brand-red));
            box-shadow: var(--shadow-glow-red);
            transform: translateY(-1px);
            color: #ffffff;
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .mobile-menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(15, 15, 26, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 20px;
            z-index: 999;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            padding: 12px 18px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
        }

        .mobile-menu .nav-cta-btn {
            margin-left: 0;
            justify-content: center;
            width: 100%;
            padding: 14px 22px;
            font-size: var(--font-base);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                gap: 12px;
            }
            .logo-link {
                font-size: var(--font-base);
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 8px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: var(--header-height);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 15, 26, 0.75) 0%,
                    rgba(15, 15, 26, 0.65) 40%,
                    rgba(15, 15, 26, 0.82) 100%);
            z-index: 1;
        }

        .hero-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(220, 38, 38, 0.18) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-glow-2 {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            top: 35%;
            left: 70%;
            z-index: 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(220, 38, 38, 0.25);
            border: 1px solid rgba(220, 38, 38, 0.4);
            color: #fca5a5;
            font-size: var(--font-sm);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
            animation: floatUp 0.6s ease-out forwards;
        }

        .hero-badge .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #ef4444;
            animation: pulseDot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 4rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin-bottom: 18px;
            text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
            animation: floatUp 0.6s ease-out 0.1s forwards;
            opacity: 0;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: #d1d5db;
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.7;
            animation: floatUp 0.6s ease-out 0.2s forwards;
            opacity: 0;
        }

        .hero-btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            animation: floatUp 0.6s ease-out 0.3s forwards;
            opacity: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: 28px;
            font-size: var(--font-lg);
            font-weight: 700;
            background: linear-gradient(135deg, #dc2626, #b91c1c);
            color: #ffffff;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 20px rgba(220, 38, 38, 0.35);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #ef4444, #dc2626);
            box-shadow: 0 8px 32px rgba(220, 38, 38, 0.5);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(220, 38, 38, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: 28px;
            font-size: var(--font-lg);
            font-weight: 700;
            background: transparent;
            color: #ffffff;
            letter-spacing: 0.02em;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-outline:active {
            transform: translateY(0);
            background: rgba(255, 255, 255, 0.14);
        }

        /* Scroll indicator */
        .scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.55);
            font-size: var(--font-xs);
            letter-spacing: 0.06em;
            animation: floatUp 0.6s ease-out 0.5s forwards;
            opacity: 0;
        }

        .scroll-indicator .scroll-line {
            width: 1px;
            height: 36px;
            background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
            border-radius: 1px;
        }

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

        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: var(--font-sm);
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: #dc2626;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #111827;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: var(--font-lg);
            color: #6b7280;
            max-width: 620px;
            line-height: 1.7;
        }

        /* Features Section */
        .features-section {
            background: #ffffff;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        @media (max-width: 1024px) {
            .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: 32px 24px;
            border-radius: var(--radius-lg);
            background: #ffffff;
            border: 1px solid #e5e7eb;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #dc2626, #f59e0b);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-normal);
        }

        .feature-card:hover {
            border-color: #d1d5db;
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: #fef2f2;
            color: #dc2626;
            font-size: 1.4rem;
            margin-bottom: 18px;
            transition: all var(--transition-normal);
        }

        .feature-card:hover .feature-icon {
            background: #dc2626;
            color: #ffffff;
            box-shadow: var(--shadow-glow-red);
        }

        .feature-card h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #111827;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: var(--font-sm);
            color: #6b7280;
            line-height: 1.65;
        }

        /* Live Status Bar */
        .live-status-bar {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 0;
        }

        .live-status-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            color: #ffffff;
            font-size: var(--font-sm);
            font-weight: 600;
        }

        .live-status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ef4444;
            animation: pulseDot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
            flex-shrink: 0;
        }

        .live-status-text {
            color: #fca5a5;
            letter-spacing: 0.04em;
        }

        .live-status-match {
            color: #fbbf24;
            font-weight: 700;
        }

        .live-status-link {
            color: #ffffff;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

        .live-status-link:hover {
            color: #fbbf24;
        }

        /* Hot Matches Section */
        .hot-matches-section {
            background: #f8f9fa;
        }

        .matches-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 44px;
        }

        @media (max-width: 1024px) {
            .matches-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .matches-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .match-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #ffffff;
            border: 1px solid #e5e7eb;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d1d5db;
        }

        .match-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .match-card-body {
            padding: 16px 18px;
        }

        .match-card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.04em;
            background: #fef2f2;
            color: #dc2626;
            margin-bottom: 8px;
        }

        .match-card-tag.live {
            background: #dc2626;
            color: #ffffff;
        }

        .match-card h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: #111827;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .match-card .match-info {
            font-size: var(--font-sm);
            color: #6b7280;
        }

        .match-card .match-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            font-size: var(--font-sm);
            font-weight: 700;
            color: #dc2626;
            transition: color var(--transition-fast);
        }

        .match-card:hover .match-action {
            color: #b91c1c;
        }

        /* Rankings Section */
        .rankings-section {
            background: #ffffff;
        }

        .rankings-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 44px;
        }

        @media (max-width: 768px) {
            .rankings-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .ranking-card {
            background: #f8f9fa;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid #e5e7eb;
        }

        .ranking-card h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #111827;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: #ffffff;
            border: 1px solid #e5e7eb;
            transition: all var(--transition-fast);
        }

        .ranking-item:hover {
            border-color: #d1d5db;
            box-shadow: var(--shadow-sm);
        }

        .ranking-pos {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: var(--font-sm);
            flex-shrink: 0;
            background: #e5e7eb;
            color: #6b7280;
        }

        .ranking-item.top-1 .ranking-pos {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #ffffff;
        }

        .ranking-item.top-2 .ranking-pos {
            background: linear-gradient(135deg, #9ca3af, #6b7280);
            color: #ffffff;
        }

        .ranking-item.top-3 .ranking-pos {
            background: linear-gradient(135deg, #d97706, #b45309);
            color: #ffffff;
        }

        .ranking-name {
            font-weight: 600;
            color: #111827;
            flex: 1;
            font-size: var(--font-sm);
        }

        .ranking-stat {
            font-weight: 700;
            color: #dc2626;
            font-size: var(--font-sm);
        }

        /* Schedule Section */
        .schedule-section {
            background: linear-gradient(180deg, #0f0f1a, #1a1a2e);
            color: #ffffff;
        }

        .schedule-section .section-title {
            color: #ffffff;
        }

        .schedule-section .section-desc {
            color: #9ca3af;
        }

        .schedule-timeline {
            margin-top: 44px;
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }

        .schedule-timeline::before {
            content: '';
            position: absolute;
            left: 28px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 1px;
        }

        @media (max-width: 768px) {
            .schedule-timeline::before {
                left: 20px;
            }
        }

        .schedule-item {
            display: flex;
            gap: 20px;
            padding: 18px 0 18px 20px;
            position: relative;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md);
        }

        .schedule-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .schedule-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #dc2626;
            border: 3px solid #1a1a2e;
            flex-shrink: 0;
            margin-top: 6px;
            position: relative;
            z-index: 1;
            box-shadow: 0 0 12px rgba(220, 38, 38, 0.5);
        }

        .schedule-dot.upcoming {
            background: #9ca3af;
            box-shadow: none;
            border-color: #1a1a2e;
        }

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

        .schedule-date {
            font-size: var(--font-xs);
            color: #9ca3af;
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .schedule-match {
            font-size: var(--font-base);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }

        .schedule-detail {
            font-size: var(--font-sm);
            color: #9ca3af;
        }

        /* Stats Section */
        .stats-section {
            background: #ffffff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 44px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 420px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        .stat-card {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            background: #f8f9fa;
            border: 1px solid #e5e7eb;
            transition: all var(--transition-normal);
        }

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

        .stat-number {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: #dc2626;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: var(--font-sm);
            color: #6b7280;
            font-weight: 500;
        }

        /* FAQ Section */
        .faq-section {
            background: #f8f9fa;
        }

        .faq-list {
            max-width: 800px;
            margin: 44px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid #e5e7eb;
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            border-color: #d1d5db;
        }

        .faq-item details {
            cursor: pointer;
        }

        .faq-item summary {
            padding: 20px 24px;
            font-weight: 700;
            font-size: var(--font-base);
            color: #111827;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: var(--font-sm);
            color: #9ca3af;
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item details[open] summary::after {
            transform: rotate(180deg);
            color: #dc2626;
        }

        .faq-item details[open] summary {
            color: #dc2626;
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: var(--font-sm);
            color: #6b7280;
            line-height: 1.75;
        }

        /* CTA Section */
        .cta-section {
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 90px 0;
            overflow: hidden;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.88) 0%, rgba(26, 26, 46, 0.82) 100%);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-content p {
            font-size: var(--font-lg);
            color: #d1d5db;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-content .btn-primary {
            font-size: var(--font-xl);
            padding: 18px 40px;
            border-radius: 30px;
        }

        /* Footer */
        .site-footer {
            background: #0f0f1a;
            color: #9ca3af;
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 20px;
        }

        .footer-brand {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
        }

        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            list-style: none;
        }

        .footer-links a {
            color: #9ca3af;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }

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

        .footer-copy {
            font-size: var(--font-xs);
            color: #6b7280;
            margin-top: 8px;
        }

        .footer-copy span {
            color: #9ca3af;
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 36px 0 22px;
            }
            .footer-inner {
                gap: 14px;
            }
            .footer-brand {
                font-size: var(--font-lg);
            }
            .footer-links {
                gap: 14px;
            }
        }

        /* Utility animations */
        @keyframes pulseDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(2); }
        }

        @keyframes floatUp {
            0% { opacity: 0; transform: translateY(24px); }
            100% { opacity: 1; transform: translateY(0); }
        }

        @keyframes shimmer {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }

        /* Reduced motion */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }