/* roulang page: index */
:root {
            --primary: #1e3a5f;
            --primary-light: #2a5080;
            --accent: #c98d3e;
            --accent-light: #dba858;
            --bg: #f7f8fa;
            --card: #ffffff;
            --text: #1a1a2e;
            --text-muted: #6b7280;
            --text-weak: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f1f3;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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", "Hiragino Sans GB", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background-color: #f7f8fa;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        :focus-visible {
            outline: 2px solid #c98d3e;
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* 容器 */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.7);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.97);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: #1e3a5f;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: #2a5080;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #1e3a5f 0%, #2a5080 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #4b5563;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #1e3a5f;
            background: #f0f3f7;
        }

        .nav-link.active {
            color: #1e3a5f;
            background: #e8edf4;
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.93rem;
            background: linear-gradient(135deg, #c98d3e 0%, #dba858 100%);
            color: #fff;
            box-shadow: 0 2px 8px rgba(201, 141, 62, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #b57e35 0%, #c98d3e 100%);
            box-shadow: 0 4px 16px rgba(201, 141, 62, 0.5);
            transform: translateY(-1px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(201, 141, 62, 0.3);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            background: #f0f3f7;
            color: #1e3a5f;
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: #e2e7ef;
        }

        .mobile-menu-btn:active {
            background: #d5dbe5;
        }

        /* 移动端下拉菜单 */
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e5e7eb;
            padding: 16px 24px 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            flex-direction: column;
            gap: 8px;
            z-index: 999;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 1rem;
            color: #4b5563;
            transition: all var(--transition-fast);
            text-align: center;
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: #1e3a5f;
            background: #f0f3f7;
            font-weight: 600;
        }

        .mobile-nav-cta {
            display: block;
            text-align: center;
            padding: 13px 20px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, #c98d3e 0%, #dba858 100%);
            color: #fff;
            margin-top: 4px;
            transition: all var(--transition);
        }

        .mobile-nav-cta:hover {
            background: linear-gradient(135deg, #b57e35 0%, #c98d3e 100%);
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 58px;
                padding: 0 16px;
            }

            .logo-link {
                font-size: 1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.9rem;
            }

            .nav-links {
                display: none;
            }

            .nav-cta-btn.desktop-only {
                display: none;
            }

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

            .mobile-nav-panel {
                top: 58px;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu-btn {
                display: none;
            }

            .mobile-nav-panel {
                display: none !important;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(170deg, #f0f4f8 0%, #e8edf3 30%, #f6f7fa 70%, #fafbfc 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 141, 62, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(30, 58, 95, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid #e5e7eb;
            font-size: 0.88rem;
            font-weight: 500;
            color: #4b5563;
            width: fit-content;
            box-shadow: var(--shadow-sm);
        }

        .hero-badge .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #dc2626;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: #1a1a2e;
            letter-spacing: 0.01em;
        }

        .hero-title .highlight {
            color: #c98d3e;
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(201, 141, 62, 0.2);
            border-radius: 3px;
            z-index: -1;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: #6b7280;
            line-height: 1.75;
            max-width: 480px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1.05rem;
            background: linear-gradient(135deg, #1e3a5f 0%, #2a5080 100%);
            color: #fff;
            box-shadow: 0 4px 14px rgba(30, 58, 95, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #162a47 0%, #1e3a5f 100%);
            box-shadow: 0 6px 22px rgba(30, 58, 95, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(30, 58, 95, 0.3);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1.05rem;
            background: linear-gradient(135deg, #c98d3e 0%, #dba858 100%);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 141, 62, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: linear-gradient(135deg, #b57e35 0%, #c98d3e 100%);
            box-shadow: 0 6px 22px rgba(201, 141, 62, 0.5);
            transform: translateY(-2px);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 141, 62, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1.05rem;
            background: #fff;
            color: #1e3a5f;
            border: 2px solid #dde3ed;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: #1e3a5f;
            background: #f8fafc;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

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

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-card-stack {
            position: relative;
            width: 100%;
            max-width: 440px;
        }

        .hero-main-card {
            background: #fff;
            border-radius: 20px;
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 2;
            border: 1px solid #eef1f5;
        }

        .hero-main-card .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-around;
            gap: 16px;
            margin-bottom: 16px;
        }

        .hero-main-card .team-block {
            text-align: center;
        }

        .hero-main-card .team-flag {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8edf4, #d5dce8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 8px;
            box-shadow: var(--shadow-sm);
        }

        .hero-main-card .team-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: #1a1a2e;
        }

        .hero-main-card .vs-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f0f3f7;
            font-weight: 700;
            font-size: 0.9rem;
            color: #6b7280;
        }

        .hero-main-card .match-info {
            text-align: center;
            font-size: 0.85rem;
            color: #6b7280;
            margin-top: 4px;
        }

        .hero-main-card .live-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 12px;
            background: #fef2f2;
            color: #dc2626;
            font-weight: 600;
            font-size: 0.78rem;
            animation: pulse-bg 2s ease-in-out infinite;
        }

        @keyframes pulse-bg {
            0%,
            100% {
                background: #fef2f2;
            }
            50% {
                background: #fde8e8;
            }
        }

        .hero-float-card {
            position: absolute;
            top: -30px;
            right: -40px;
            background: #fff;
            border-radius: 14px;
            padding: 16px 20px;
            box-shadow: var(--shadow-card);
            z-index: 1;
            border: 1px solid #eef1f5;
            font-size: 0.85rem;
            color: #4b5563;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-float-card-2 {
            position: absolute;
            bottom: -20px;
            left: -30px;
            background: #fff;
            border-radius: 14px;
            padding: 14px 18px;
            box-shadow: var(--shadow-card);
            z-index: 1;
            border: 1px solid #eef1f5;
            font-size: 0.82rem;
            color: #4b5563;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-card-stack {
                max-width: 360px;
                margin: 0 auto;
            }
            .hero-float-card {
                right: -20px;
                top: -20px;
            }
            .hero-float-card-2 {
                left: -16px;
                bottom: -16px;
            }
            .hero-section {
                padding: 50px 0 60px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn-primary,
            .btn-accent,
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 13px 20px;
                font-size: 0.95rem;
            }
            .hero-float-card,
            .hero-float-card-2 {
                display: none;
            }
            .hero-card-stack {
                max-width: 280px;
            }
            .hero-main-card .team-flag {
                width: 42px;
                height: 42px;
                font-size: 1.2rem;
            }
        }

        /* 板块通用 */
        .section {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: #e8edf4;
            color: #1e3a5f;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: #6b7280;
            max-width: 550px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* 优势卡片 */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid #eef1f5;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 14px;
        }

        .advantage-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
            border-color: #dde3ed;
        }

        .advantage-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .advantage-icon.blue {
            background: #e8f0f8;
            color: #1e3a5f;
        }
        .advantage-icon.gold {
            background: #fdf6ed;
            color: #c98d3e;
        }
        .advantage-icon.green {
            background: #eaf7f0;
            color: #0d9488;
        }
        .advantage-icon.purple {
            background: #f0ecf8;
            color: #7c3aed;
        }

        .advantage-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: #1a1a2e;
        }
        .advantage-card p {
            font-size: 0.88rem;
            color: #6b7280;
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .advantage-card {
                padding: 22px 18px;
                gap: 10px;
            }
        }

        /* 赛事卡片 */
        .matches-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            border: 1px solid #eef1f5;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .match-card .match-status {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .match-status.upcoming {
            background: #eff6ff;
            color: #2563eb;
        }
        .match-status.live-now {
            background: #fef2f2;
            color: #dc2626;
            animation: pulse-bg 2s ease-in-out infinite;
        }
        .match-status.featured {
            background: #fdf6ed;
            color: #c98d3e;
        }

        .match-card .match-teams-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            margin: 10px 0;
        }

        .match-card .mini-flag {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f0f3f7;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .match-card .team-abbr {
            font-weight: 700;
            font-size: 0.9rem;
            color: #1a1a2e;
        }

        .match-card .match-time {
            font-size: 0.85rem;
            color: #6b7280;
            margin-top: 6px;
        }

        .match-card .match-venue {
            font-size: 0.78rem;
            color: #9ca3af;
            margin-top: 2px;
        }

        @media (max-width: 1024px) {
            .matches-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .matches-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* 统计条 */
        .stats-strip {
            background: linear-gradient(135deg, #1e3a5f 0%, #2a5080 100%);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            color: #fff;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .stat-number .plus {
            color: #c98d3e;
            font-size: 1.6rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* 流程 */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            border: 1px solid #eef1f5;
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }

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

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #1e3a5f;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 14px;
        }

        .step-item h4 {
            font-weight: 700;
            font-size: 1rem;
            color: #1a1a2e;
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: #6b7280;
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .steps-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* 特色亮点 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            border: 1px solid #eef1f5;
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition);
        }

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

        .feature-icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            background: #e8f0f8;
            color: #1e3a5f;
        }

        .feature-text h4 {
            font-weight: 700;
            font-size: 1rem;
            color: #1a1a2e;
            margin-bottom: 4px;
        }
        .feature-text p {
            font-size: 0.87rem;
            color: #6b7280;
            line-height: 1.65;
        }

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

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid #eef1f5;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 0.98rem;
            color: #1a1a2e;
            text-align: left;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: #1e3a5f;
        }

        .faq-arrow {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f0f3f7;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: #6b7280;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: #e8edf4;
            color: #1e3a5f;
        }

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

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

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #1e3a5f 0%, #162a47 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(201, 141, 62, 0.1);
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-accent {
            position: relative;
            z-index: 1;
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #fff;
            border-top: 1px solid #eef1f5;
            padding: 40px 0 28px;
            margin-top: 24px;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.05rem;
            color: #1e3a5f;
        }

        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: #6b7280;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #1e3a5f;
        }

        .footer-copyright {
            font-size: 0.82rem;
            color: #9ca3af;
            text-align: center;
        }

        @media (max-width: 520px) {
            .footer-inner {
                gap: 12px;
            }
            .footer-links {
                gap: 14px;
            }
        }

        /* 全局过渡 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 背景交替 */
        .bg-alt {
            background: #fff;
        }