:root {
            --t1207-primary: #ff9400;
            --t1207-primary-dark: #e66000;
            --t1207-secondary: #6c2bd9;
            --t1207-bg-deep: #000a1a;
            --t1207-bg-card: #0a192f;
            --t1207-text-main: #f0f4f8;
            --t1207-text-dim: #94a3b8;
            --t1207-accent: #00f2ff;
            --t1207-gap: 8px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--t1207-bg-deep);
            color: var(--t1207-text-main);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 导航栏设计 */
        .t1207-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(0, 10, 26, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 148, 0, 0.2);
            padding: 16px 24px;
        }

        .t1207-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .t1207-logo {
            min-width: 0;
            flex-shrink: 0;
        }

        .t1207-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .t1207-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .t1207-menu li {
            min-width: 0;
        }

        .t1207-menu a {
            text-decoration: none;
            color: var(--t1207-text-main);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s ease;
            position: relative;
            padding: 8px 0;
        }

        .t1207-menu a:hover, .t1207-menu a.active {
            color: var(--t1207-primary);
        }

        .t1207-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--t1207-primary);
        }

        /* Hero 区块 - 独特居中剧场式布局 */
        .t1207-hero {
            padding: 160px 24px 96px;
            background: radial-gradient(circle at center, rgba(108, 43, 217, 0.15) 0%, rgba(0, 10, 26, 1) 70%);
            text-align: center;
            position: relative;
        }

        .t1207-hero-inner {
            max-width: 900px;
            margin: 0 auto;
        }

        .t1207-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 148, 0, 0.1);
            border: 1px solid var(--t1207-primary);
            color: var(--t1207-primary);
            border-radius: 50px;
            font-size: 14px;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .t1207-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 32px;
            background: linear-gradient(135deg, #fff 0%, var(--t1207-primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: keep-all;
        }

        .t1207-hero p {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--t1207-text-dim);
            max-width: 700px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }

        .t1207-btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .t1207-btn {
            padding: 16px 36px;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            min-width: 200px;
        }

        .t1207-btn-primary {
            background: var(--t1207-primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 148, 0, 0.3);
        }

        .t1207-btn-primary:hover {
            transform: translateY(-3px);
            background: var(--t1207-primary-dark);
            box-shadow: 0 8px 30px rgba(255, 148, 0, 0.4);
        }

        .t1207-btn-outline {
            border: 2px solid rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .t1207-btn-outline:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: #fff;
        }

        /* 核心特性区块 - 网格布局 */
        .t1207-section {
            padding: 96px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .t1207-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 64px;
        }

        .t1207-card {
            background: var(--t1207-bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 40px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            min-width: 0;
        }

        .t1207-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--t1207-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            transform-origin: left;
        }

        .t1207-card:hover {
            transform: translateY(-10px);
            border-color: rgba(255, 148, 0, 0.3);
            background: rgba(10, 25, 47, 0.8);
        }

        .t1207-card:hover::before {
            transform: scaleX(1);
        }

        .t1207-card-icon {
            font-size: 40px;
            margin-bottom: 24px;
            display: block;
        }

        .t1207-card h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: #fff;
        }

        .t1207-card p {
            color: var(--t1207-text-dim);
            font-size: 16px;
            line-height: 1.7;
        }

        /* 隐私保护详情 - 左右交错布局 */
        .t1207-feature-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

        .t1207-feature-content {
            flex: 1;
            min-width: 300px;
        }

        .t1207-feature-visual {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(45deg, var(--t1207-secondary), var(--t1207-primary));
            height: 400px;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
        }

        .t1207-visual-mask {
            width: 80%;
            height: 80%;
            background: rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(20px);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .t1207-feature-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .t1207-feature-content h2 {
            font-size: clamp(2rem, 3vw, 3rem);
            margin-bottom: 24px;
            color: #fff;
        }

        .t1207-feature-content ul {
            list-style: none;
            margin-top: 24px;
        }

        .t1207-feature-content li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--t1207-text-dim);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .t1207-feature-content li::before {
            content: '✓';
            color: var(--t1207-primary);
            font-weight: bold;
        }

        /* 页脚设计 */
        .t1207-footer {
            background: #00050d;
            padding: 80px 24px 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .t1207-footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
        }

        .t1207-footer-brand {
            flex: 2;
            min-width: 280px;
        }

        .t1207-footer-brand h2 {
            color: var(--t1207-primary);
            font-size: 24px;
            margin-bottom: 16px;
        }

        .t1207-footer-links {
            flex: 3;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 300px;
        }

        .t1207-footer-column {
            flex: 1;
            min-width: 140px;
        }

        .t1207-footer-column h4 {
            color: #fff;
            margin-bottom: 24px;
            font-size: 16px;
        }

        .t1207-footer-column a {
            display: block;
            color: var(--t1207-text-dim);
            text-decoration: none;
            margin-bottom: 12px;
            font-size: 14px;
            transition: color 0.3s;
        }

        .t1207-footer-column a:hover {
            color: var(--t1207-primary);
        }

        .t1207-copyright {
            width: 100%;
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            color: var(--t1207-text-dim);
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .t1207-navbar {
                padding: 12px 16px;
            }
            .t1207-menu {
                display: none; /* 简化移动端处理 */
            }
            .t1207-hero {
                padding: 120px 16px 64px;
            }
            .t1207-feature-row {
                gap: 32px;
            }
            .t1207-feature-visual {
                height: 250px;
            }
        }