/* ===== 设计变量 ===== */
        :root {
            --primary-bg: #050d1a;
            --secondary-bg: #0a1628;
            --card-bg: rgba(255, 255, 255, 0.04);
            --card-bg-hover: rgba(255, 255, 255, 0.08);
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 212, 255, 0.3);
            --text-main: #e8f0f8;
            --text-muted: #8ca3c0;
            --accent-cyan: #00d4ff;
            --accent-purple: #7c5cff;
            --gradient-accent: linear-gradient(135deg, #00d4ff, #7c5cff);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-xxl: 72px;
            --transition-fast: all 0.2s ease;
            --transition-slow: all 0.4s ease;
            --font-main: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        /* ===== 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-main);
            background-color: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        a:hover {
            color: #6be4ff;
        }

        ul,
        ol {
            list-style: none;
        }

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

        input:focus,
        select:focus,
        textarea:focus {
            box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.3);
            border-color: var(--accent-cyan);
        }

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

        .section {
            padding: var(--space-xxl) 0;
            position: relative;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.25);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: var(--space-md);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
            color: #fff;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 760px;
            margin-bottom: var(--space-lg);
            line-height: 1.7;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-slow);
            border: 1px solid transparent;
            line-height: 1;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: #fff;
            box-shadow: 0 4px 24px rgba(0, 212, 255, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 212, 255, 0.5);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--text-main);
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 212, 255, 0.08);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
        }

        .btn:active {
            transform: scale(0.97);
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(5, 13, 26, 0.75);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            transition: var(--transition-slow);
        }

        .site-header.scrolled {
            background: rgba(5, 13, 26, 0.92);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            line-height: 1.4;
            text-decoration: none;
            max-width: 520px;
        }

        .logo:hover {
            color: #fff;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gradient-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.25);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
        }

        .logo-text .logo-main {
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.3px;
            color: #fff;
        }

        .logo-text .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .logo-short {
            display: none;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            transition: var(--transition-fast);
        }

        .main-nav a:hover {
            color: #fff;
        }

        .main-nav a.active {
            color: #fff;
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gradient-accent);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
        }

        .header-cta {
            margin-left: 12px;
        }

        @media (max-width: 640px) {
            .logo-main {
                display: none;
            }
            .logo-short {
                display: inline;
                font-size: 16px;
                font-weight: 700;
                color: #fff;
            }
            .logo-sub {
                display: none;
            }
            .main-nav {
                gap: 16px;
            }
            .main-nav a {
                font-size: 13px;
            }
            .header-cta .btn {
                padding: 8px 16px;
                font-size: 12px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding: 120px 0 80px;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(5, 13, 26, 0.7) 0%, rgba(5, 13, 26, 0.85) 50%, var(--primary-bg) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-desc {
            font-size: 17px;
            color: #b8cbe0;
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .hero-search {
            max-width: 640px;
            margin: 0 auto 28px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            display: flex;
            align-items: center;
            padding: 6px 6px 6px 20px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: var(--transition-slow);
        }

        .hero-search:focus-within {
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: var(--shadow-glow);
        }

        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 15px;
            padding: 10px 0;
        }

        .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-search .btn {
            border-radius: 100px;
            padding: 12px 28px;
        }

        .search-tip {
            display: none;
            margin-top: -12px;
            margin-bottom: 20px;
            font-size: 13px;
            color: var(--accent-cyan);
            text-align: center;
        }

        .hero-tags {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .hero-tags .tag-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 100px;
            color: var(--text-muted);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-fast);
        }

        .tag:hover {
            background: rgba(0, 212, 255, 0.15);
            border-color: rgba(0, 212, 255, 0.4);
            color: var(--accent-cyan);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

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

        .hero-stat strong {
            display: block;
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-stat span {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
            display: block;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 110px 0 60px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 28px;
                line-height: 1.3;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-search {
                border-radius: 20px;
                flex-direction: column;
                padding: 12px;
                gap: 8px;
            }
            .hero-search input {
                width: 100%;
                text-align: center;
                padding: 8px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .hero-search .btn {
                width: 100%;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 32px;
            }
            .hero-stat strong {
                font-size: 24px;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition-slow);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 100%;
        }

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

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--gradient-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: 0 4px 16px rgba(0, 212, 255, 0.25);
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .card-list {
            margin-top: 12px;
        }

        .card-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
            line-height: 1.5;
        }

        .card-list li i {
            color: var(--accent-cyan);
            margin-top: 3px;
            font-size: 12px;
        }

        /* ===== 最新动态 ===== */
        .news-section {
            position: relative;
        }

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

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition-slow);
            position: relative;
            overflow: hidden;
        }

        .news-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-accent);
            opacity: 0;
            transition: var(--transition-slow);
        }

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

        .news-card:hover::before {
            opacity: 1;
        }

        .news-card .news-time {
            font-size: 12px;
            color: var(--accent-cyan);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
            display: block;
        }

        .news-card .news-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .news-card .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .news-card .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
        }

        .news-card .news-link i {
            transition: transform var(--transition-fast);
        }

        .news-card .news-link:hover i {
            transform: translateX(4px);
        }

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

        /* ===== 快速解答 Accordion ===== */
        .faq-section {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: start;
        }

        .faq-left {
            position: sticky;
            top: 100px;
        }

        .faq-accordion {
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition-fast);
        }

        .faq-accordion .accordion-item:hover {
            border-color: var(--border-hover);
        }

        .faq-accordion .accordion-title {
            background: transparent;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: none;
            position: relative;
            transition: var(--transition-fast);
        }

        .faq-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--accent-cyan);
            transition: var(--transition-fast);
        }

        .faq-accordion .accordion-item.is-active .accordion-title {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }

        .faq-accordion .accordion-content {
            background: transparent;
            padding: 20px;
            border: none;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-accordion .accordion-title:hover {
            background: rgba(0, 212, 255, 0.05);
        }

        @media (max-width: 768px) {
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .faq-left {
                position: static;
            }
            .faq-accordion .accordion-title {
                font-size: 15px;
                padding: 14px 16px;
            }
        }

        /* ===== 资讯区 ===== */
        .info-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
        }

        .info-list {
            display: flex;
            flex-direction: column;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-fast);
        }

        .info-item:hover {
            padding-left: 8px;
        }

        .info-item .info-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            padding-top: 4px;
            min-width: 85px;
        }

        .info-item a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            line-height: 1.6;
            transition: var(--transition-fast);
        }

        .info-item a:hover {
            color: var(--accent-cyan);
        }

        .info-item a i {
            font-size: 12px;
            margin-left: 6px;
            opacity: 0;
            transition: all var(--transition-fast);
        }

        .info-item a:hover i {
            opacity: 1;
            transform: translateX(4px);
        }

        .info-sidebar {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(12px);
        }

        .info-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            color: var(--text-muted);
            font-size: 14px;
            border-radius: 8px;
            transition: var(--transition-fast);
        }

        .sidebar-list a:hover {
            color: var(--accent-cyan);
            padding-left: 8px;
        }

        .sidebar-list a i {
            font-size: 12px;
            color: rgba(0, 212, 255, 0.4);
        }

        @media (max-width: 768px) {
            .info-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .info-item {
                flex-direction: column;
                gap: 4px;
                padding: 14px 0;
            }
            .info-item .info-date {
                min-width: auto;
            }
        }

        /* ===== 安全体系 ===== */
        .security-section {
            background: linear-gradient(180deg, rgba(5, 13, 26, 0) 0%, rgba(10, 22, 40, 0.6) 50%, rgba(5, 13, 26, 0) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .security-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 32px;
        }

        .security-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(16px);
            transition: var(--transition-slow);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .security-card:hover {
            border-color: rgba(0, 212, 255, 0.25);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .security-card .sec-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .security-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .security-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            padding: 32px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px);
        }

        .data-item {
            text-align: center;
        }

        .data-item strong {
            display: block;
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .data-item span {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
        }

        @media (max-width: 768px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 20px;
            }
            .data-item strong {
                font-size: 28px;
            }
        }

        /* ===== App 板块 ===== */
        .app-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .app-content {
            padding-right: 20px;
        }

        .app-content .section-title {
            font-size: 30px;
        }

        .app-features {
            margin: 24px 0;
        }

        .app-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-muted);
        }

        .app-features li i {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 212, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .app-qr {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 28px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            max-width: 380px;
        }

        .app-qr img {
            width: 72px;
            height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .app-qr-info {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .app-qr-info strong {
            display: block;
            font-size: 15px;
            color: #fff;
            margin-bottom: 4px;
        }

        .app-mockup {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
        }

        .app-mockup img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        .app-mockup::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(5, 13, 26, 0) 0%, rgba(5, 13, 26, 0.2) 100%);
            pointer-events: none;
        }

        @media (max-width: 768px) {
            .app-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .app-content {
                padding-right: 0;
            }
        }

        /* ===== 票种对比 ===== */
        .pricing-section {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .pricing-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(16px);
            transition: var(--transition-slow);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .pricing-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: var(--border-hover);
        }

        .pricing-card.featured {
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: 0 8px 40px rgba(0, 212, 255, 0.12);
            background: linear-gradient(145deg, rgba(0, 212, 255, 0.05), rgba(124, 92, 255, 0.05));
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--gradient-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 100px;
            box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
        }

        .pricing-card .plan-name {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .pricing-card .plan-price {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin: 16px 0;
        }

        .pricing-card .plan-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-muted);
        }

        .pricing-card .plan-features {
            flex: 1;
            margin: 16px 0 24px;
        }

        .pricing-card .plan-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-muted);
        }

        .pricing-card .plan-features li i {
            color: var(--accent-cyan);
            font-size: 13px;
            margin-top: 3px;
        }

        .pricing-cta {
            text-align: center;
            margin-top: 40px;
        }

        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin-left: auto;
                margin-right: auto;
            }
        }

        /* ===== 议程时间线 ===== */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple), transparent);
            opacity: 0.4;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding: 24px 28px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition-slow);
        }

        .timeline-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--gradient-accent);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
            border: 2px solid var(--primary-bg);
        }

        .timeline-time {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 6px;
            display: block;
        }

        .timeline-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 640px) {
            .timeline {
                padding-left: 24px;
            }
            .timeline-item {
                padding: 16px 18px;
            }
            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: var(--space-xxl) 0;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 92, 255, 0.05));
            border-top: 1px solid var(--border-color);
        }

        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info .section-title {
            margin-bottom: 16px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-info .contact-line {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            color: var(--text-main);
            font-size: 15px;
        }

        .cta-info .contact-line i {
            color: var(--accent-cyan);
            font-size: 18px;
            width: 24px;
            text-align: center;
        }

        .cta-form-wrap {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: #b8cbe0;
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 14px;
            transition: var(--transition-fast);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238ca3c0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }

        .form-group select option {
            background: #0a1628;
            color: #fff;
        }

        .form-success {
            display: none;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.3);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--accent-cyan);
            font-size: 14px;
            margin-top: 12px;
        }

        @media (max-width: 768px) {
            .cta-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #040a14;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 48px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
            margin-top: 16px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }

        .footer-contact {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 2;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.3);
        }

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

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== 响应式通用 ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-layout {
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-sub {
                font-size: 15px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat strong {
                font-size: 20px;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeUp 0.6s ease-out forwards;
        }

        .footer-bottom-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .header-inner {
                padding: 12px 0;
            }
            .logo-text .logo-sub {
                display: none;
            }
            .footer-bottom-content {
                padding: 0 16px;
            }
        }