/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1e5eff;
            --color-primary-dark: #1548c9;
            --color-primary-light: #e8efff;
            --color-primary-soft: #f4f7ff;
            --color-accent: #0ea5e9;
            --color-accent-soft: #e0f2fe;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #475569;
            --color-text-muted: #64748b;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
            --shadow-primary: 0 8px 28px rgba(30, 94, 255, 0.28);
            --spacing-section: 5rem;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 240ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 380ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        /* ============ 基础 Reset ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        
        a:hover {
            color: var(--color-primary);
        }
        
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        [tabindex]:focus-visible {
            outline: 3px solid rgba(30, 94, 255, 0.45);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        
        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        
        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base);
        }
        
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.32rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: var(--shadow-primary);
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 4px;
            transition: width var(--transition-base);
        }
        
        .nav-link:hover {
            color: var(--color-primary);
        }
        
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        
        .nav-link.active::after {
            width: 100%;
        }
        
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-primary);
            white-space: nowrap;
        }
        
        .btn-nav-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(30, 94, 255, 0.38);
            color: #fff;
        }
        
        .btn-nav-cta:active {
            transform: translateY(0);
        }
        
        /* 移动端汉堡 */
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            color: var(--color-text);
            font-size: 1.25rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        
        .nav-toggle:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        
        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
            padding: 16px 24px 20px;
            box-shadow: var(--shadow-md);
        }
        
        .mobile-nav-panel.open {
            display: block;
            animation: slideDown 260ms ease-out;
        }
        
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-12px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .mobile-nav-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        
        .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        
        .mobile-nav-cta {
            margin-top: 12px;
            display: flex;
            width: 100%;
            justify-content: center;
            padding: 13px 24px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }
        
        .mobile-nav-cta:hover {
            background: var(--color-primary-dark);
        }
        
        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: stretch;
            overflow: hidden;
            background: #0a1a3a;
        }
        
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }
        
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(8, 20, 48, 0.72) 0%, rgba(8, 20, 48, 0.58) 40%, rgba(8, 20, 48, 0.80) 100%);
        }
        
        .hero-content-wrapper {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            width: 100%;
            padding: 80px 0 70px;
        }
        
        .hero-inner {
            max-width: 760px;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 22px;
        }
        
        .hero-badge i {
            color: #7dd3fc;
            font-size: 0.9rem;
        }
        
        .hero h1 {
            font-size: 3.1rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            letter-spacing: -0.025em;
            margin-bottom: 20px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        
        .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }
        
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 30px;
            background: #ffffff;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1.02rem;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 8px 32px rgba(255, 255, 255, 0.25);
        }
        
        .btn-hero-primary:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(30, 94, 255, 0.5);
        }
        
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 30px;
            background: rgba(255, 255, 255, 0.14);
            color: #ffffff;
            font-weight: 600;
            font-size: 1.02rem;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.45);
            cursor: pointer;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-base);
        }
        
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.24);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }
        
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
        }
        
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        
        .hero-stat-number {
            font-size: 1.65rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
        }
        
        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.68);
            font-weight: 400;
        }
        
        /* Hero 倒计时条 */
        .hero-countdown-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 3;
            background: rgba(10, 20, 50, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.16);
            padding: 16px 0;
        }
        
        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .countdown-label {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        
        .countdown-label i {
            color: #fbbf24;
            font-size: 1.1rem;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.55; }
        }
        
        .countdown-timer {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 52px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            padding: 8px 10px;
        }
        
        .countdown-number {
            font-size: 1.45rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }
        
        .countdown-unit {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.62);
            text-transform: uppercase;
        }
        
        .countdown-sep {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 700;
        }
        
        .countdown-action {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fbbf24;
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
        }
        
        /* ============ 通用板块样式 ============ */
        .section {
            padding: var(--spacing-section) 0;
        }
        
        .section-alt {
            background: #ffffff;
        }
        
        .section-header {
            max-width: 720px;
            margin-bottom: 44px;
        }
        
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        
        .section-tag i {
            font-size: 0.75rem;
        }
        
        .section h2 {
            font-size: 2rem;
            font-weight: 750;
            color: var(--color-text);
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }
        
        .section-desc {
            font-size: 1.02rem;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        
        /* ============ 玩法卡片 ============ */
        .play-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        @media (max-width: 1024px) {
            .play-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 620px) {
            .play-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .play-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        
        .play-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        
        .play-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--color-primary-light);
        }
        
        .play-card:hover::before {
            opacity: 1;
        }
        
        .play-card-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 18px;
            transition: all var(--transition-base);
        }
        
        .play-card:hover .play-card-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08) rotate(-4deg);
        }
        
        .play-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        
        .play-card p {
            font-size: 0.93rem;
            color: var(--color-text-muted);
            line-height: 1.75;
        }
        
        /* ============ 奖励卡片 ============ */
        .reward-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        
        @media (max-width: 1024px) {
            .reward-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 620px) {
            .reward-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .reward-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        
        .reward-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        
        .reward-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        
        .reward-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        
        .reward-card:hover .reward-card-img img {
            transform: scale(1.06);
        }
        
        .reward-card-body {
            padding: 22px 22px 24px;
        }
        
        .reward-card-tag {
            display: inline-block;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
        }
        
        .reward-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        
        .reward-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        
        /* ============ 任务进度 ============ */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        
        @media (max-width: 1024px) {
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        
        @media (max-width: 560px) {
            .steps-wrap {
                grid-template-columns: 1fr;
            }
        }
        
        .step-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition-base);
        }
        
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            box-shadow: var(--shadow-primary);
        }
        
        .step-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        
        .step-item p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        
        .step-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-border);
            font-size: 1.4rem;
            z-index: 1;
        }
        
        @media (max-width: 1024px) {
            .step-arrow {
                display: none;
            }
        }
        
        /* ============ 用户口碑 ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        
        @media (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
            }
        }
        
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 26px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        
        .testimonial-stars {
            color: #f59e0b;
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        
        .testimonial-text {
            font-size: 0.94rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            font-style: italic;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
        }
        
        .testimonial-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
        }
        
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        
        /* ============ 资讯区 ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
            align-items: start;
        }
        
        @media (max-width: 900px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        
        .news-main {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        
        .news-list {
            list-style: none;
        }
        
        .news-list-item {
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }
        
        .news-list-item:last-child {
            border-bottom: none;
        }
        
        .news-list-item:hover {
            background: var(--color-primary-soft);
        }
        
        .news-list-link {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            transition: all var(--transition-fast);
        }
        
        .news-list-category {
            flex-shrink: 0;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            white-space: nowrap;
        }
        
        .news-list-category.alt {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        
        .news-list-title {
            flex: 1;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.55;
            transition: color var(--transition-fast);
        }
        
        .news-list-item:hover .news-list-title {
            color: var(--color-primary);
        }
        
        .news-list-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        
        .news-side-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        
        .news-side-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        
        .news-side-img {
            height: 150px;
            overflow: hidden;
        }
        
        .news-side-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        
        .news-side-card:hover .news-side-img img {
            transform: scale(1.05);
        }
        
        .news-side-body {
            padding: 18px 20px 20px;
        }
        
        .news-side-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            color: #ef4444;
            background: #fef2f2;
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
        }
        
        .news-side-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        
        .news-side-body p {
            font-size: 0.86rem;
            color: var(--color-text-muted);
            line-height: 1.65;
        }
        
        /* ============ FAQ ============ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        
        .faq-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
        }
        
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            user-select: none;
            transition: all var(--transition-fast);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 650;
            color: var(--color-text);
        }
        
        .faq-question i {
            color: var(--color-primary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            color: var(--color-text-muted);
            font-size: 0.94rem;
            line-height: 1.8;
        }
        
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }
        
        /* ============ CTA 区域 ============ */
        .cta-section {
            background: linear-gradient(135deg, #0f2b70 0%, #1e5eff 50%, #0ea5e9 100%);
            border-radius: var(--radius-xl);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 64px rgba(30, 94, 255, 0.30);
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 420px;
            height: 420px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 340px;
            height: 340px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .cta-content {
            position: relative;
            z-index: 1;
        }
        
        .cta-content h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 32px;
            background: #ffffff;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        
        .btn-cta-primary:hover {
            background: #f0f4ff;
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
            color: var(--color-primary);
        }
        
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 32px;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        
        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-3px);
        }
        
        /* ============ 页脚 ============ */
        .site-footer {
            background: #0b1c3d;
            color: rgba(255, 255, 255, 0.78);
            padding: 60px 0 32px;
            margin-top: 0;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        
        .footer-brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        
        .footer-brand-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }
        
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .footer-links a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.62);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        
        .footer-links a:hover {
            color: #ffffff;
        }
        
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.62);
            margin-bottom: 10px;
        }
        
        .footer-contact-item i {
            color: var(--color-accent);
            margin-top: 4px;
            flex-shrink: 0;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.48);
        }
        
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        
        .footer-bottom a:hover {
            color: #ffffff;
        }
        
        /* ============ 响应式导航 ============ */
        @media (max-width: 860px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
        }
        
        @media (min-width: 861px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }
        
        /* ============ Hero 响应式 ============ */
        @media (max-width: 768px) {
            .hero {
                min-height: 78vh;
            }
            .hero h1 {
                font-size: 2.1rem;
            }
            .hero-desc {
                font-size: 0.96rem;
                line-height: 1.75;
            }
            .hero-content-wrapper {
                padding: 60px 0 90px;
            }
            .hero-stats {
                gap: 18px;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
            .countdown-inner {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 12px;
            }
            .countdown-label {
                justify-content: center;
            }
            .countdown-timer {
                justify-content: center;
            }
            .countdown-item {
                min-width: 48px;
                padding: 6px 8px;
            }
            .countdown-number {
                font-size: 1.2rem;
            }
            .countdown-action {
                justify-content: center;
            }
        }
        
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                justify-content: center;
                width: 100%;
            }
        }
        
        /* ============ Section 响应式 ============ */
        @media (max-width: 768px) {
            .section {
                padding: 3.2rem 0;
            }
            .section h2 {
                font-size: 1.55rem;
            }
            .section-desc {
                font-size: 0.94rem;
            }
            .cta-section {
                padding: 44px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                justify-content: center;
                width: 100%;
            }
        }
        
        /* ============ 辅助工具类 ============ */
        .text-gradient {
            background: linear-gradient(135deg, #7dd3fc, #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .divider {
            width: 56px;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 4px;
            margin: 16px 0 20px;
        }
        
        .divider.center {
            margin-left: auto;
            margin-right: auto;
        }