/* 变量定义 - 基于官方深色模式色彩系统 */
        :root {
            --t1207-bg-deep: #0b0e14;
            --t1207-bg-card: #1c1b22;
            --t1207-primary: #ff7139;
            --t1207-secondary: #00ddff;
            --t1207-accent: #9059ff;
            --t1207-text-main: #fbfbfe;
            --t1207-text-dim: #cfcfd8;
            --t1207-glass: rgba(28, 27, 34, 0.85);
            --t1207-spacing-unit: 8px;
            --t1207-container-width: 1100px;
        }

        /* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background-color: var(--t1207-bg-deep);
            color: var(--t1207-text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 响应式排版 */
        h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); line-height: 1.1; margin-bottom: 24px; font-weight: 800; }
        h2 { font-size: clamp(1.8rem, 3vw + 1rem, 2.8rem); line-height: 1.2; margin-bottom: 20px; }
        h3 { font-size: clamp(1.2rem, 1.5vw + 0.5rem, 1.8rem); margin-bottom: 16px; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.2rem); margin-bottom: 16px; color: var(--t1207-text-dim); max-width: 800px; word-break: break-word; }

        /* 布局组件 */
        .t1207-container {
            max-width: var(--t1207-container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .t1207-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .t1207-flex-item {
            flex: 1;
            min-width: 0;
        }

        /* 导航栏 - 浮动玻璃形态 */
        .t1207-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 16px 0;
            transition: all 0.3s ease;
        }

        .t1207-header-scrolled {
            background: var(--t1207-glass);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 10px 0;
        }

        .t1207-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .t1207-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

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

        .t1207-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 12px;
        }

        .t1207-nav-item a {
            color: var(--t1207-text-dim);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .t1207-nav-item a:hover {
            color: var(--t1207-text-main);
            background: rgba(255, 255, 255, 0.05);
        }

        .t1207-nav-item.t1207-active a {
            color: var(--t1207-primary);
            background: rgba(255, 113, 57, 0.1);
        }

        /* Hero 区块 - 独特对角线分割与发光效果 */
        .t1207-hero {
            position: relative;
            padding-top: 180px;
            padding-bottom: 120px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 113, 57, 0.15) 0%, transparent 40%),
                        radial-gradient(circle at 10% 80%, rgba(144, 89, 255, 0.15) 0%, transparent 40%);
            overflow: hidden;
        }

        .t1207-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .t1207-badge {
            display: inline-block;
            padding: 6px 16px;
            background: linear-gradient(90deg, var(--t1207-primary), var(--t1207-accent));
            border-radius: 100px;
            font-size: 14px;
            font-weight: bold;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .t1207-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-top: 32px;
        }

        .t1207-btn {
            display: inline-block;
            padding: 16px 40px;
            border-radius: 12px;
            font-weight: 700;
            text-decoration: none;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            cursor: pointer;
            text-align: center;
        }

        .t1207-btn-primary {
            background: var(--t1207-primary);
            color: white;
            box-shadow: 0 10px 20px rgba(255, 113, 57, 0.3);
        }

        .t1207-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 113, 57, 0.4);
        }

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

        .t1207-btn-outline:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--t1207-text-main);
        }

        /* 核心特性区块 - 网格布局 */
        .t1207-section {
            padding: 96px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .t1207-card {
            background: var(--t1207-bg-card);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .t1207-card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 113, 57, 0.3);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }

        .t1207-card-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 113, 57, 0.1);
            border-radius: 16px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--t1207-primary);
        }

        /* 特色混排区块 */
        .t1207-feature-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

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

        .t1207-feature-text {
            flex: 1;
            min-width: 320px;
        }

        .t1207-feature-visual {
            flex: 1.2;
            min-width: 320px;
            background: linear-gradient(135deg, #1c1b22 0%, #0b0e14 100%);
            border-radius: 32px;
            padding: 48px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
        }

        .t1207-visual-box {
            width: 100%;
            aspect-ratio: 16/10;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            border: 1px dashed rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--t1207-text-dim);
            font-style: italic;
        }

        /* 底部动态内容标记 */
        .t1207-news-section {
            background: rgba(144, 89, 255, 0.03);
        }

        /* 页脚 */
        .t1207-footer {
            padding: 96px 0 48px;
            background: #050608;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .t1207-footer-grid {
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 48px;
            margin-bottom: 64px;
        }

        .t1207-footer-brand {
            max-width: 300px;
        }

        .t1207-footer-title {
            color: var(--t1207-text-main);
            font-weight: 700;
            margin-bottom: 24px;
            font-size: 18px;
        }

        .t1207-footer-links {
            list-style: none;
        }

        .t1207-footer-links li {
            margin-bottom: 12px;
        }

        .t1207-footer-links a {
            color: var(--t1207-text-dim);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .t1207-copyright {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            color: #666;
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .t1207-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .t1207-nav-menu {
                display: none; /* 简化移动端，实际项目中会使用汉堡菜单 */
            }
            .t1207-hero {
                padding-top: 140px;
            }
            .t1207-feature-row {
                gap: 32px;
            }
            .t1207-footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }