:root {
            --t1207-primary: #ff9400;
            --t1207-primary-dark: #e66000;
            --t1207-secondary: #0060df;
            --t1207-accent: #36004d;
            --t1207-text: #15141a;
            --t1207-text-light: #5b5b66;
            --t1207-bg: #ffffff;
            --t1207-bg-soft: #f9f9fb;
            --t1207-gradient: linear-gradient(135deg, #ff9400 0%, #ff1a69 100%);
            --t1207-radius: 16px;
            --t1207-spacing: 8px;
            --t1207-container: 1400px;
        }

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

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

        /* 导航栏设计 */
        .t1207-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .t1207-nav-container {
            max-width: var(--t1207-container);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-height: 80px;
        }

        .t1207-logo {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            min-width: 0;
        }

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

        .t1207-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .t1207-nav-item {
            min-width: 0;
        }

        .t1207-nav-link {
            text-decoration: none;
            color: var(--t1207-text-light);
            padding: 8px 16px;
            font-size: clamp(0.9rem, 1vw + 0.1rem, 1rem);
            font-weight: 500;
            border-radius: 8px;
            transition: all 0.2s ease;
            display: block;
        }

        .t1207-nav-link:hover {
            color: var(--t1207-primary);
            background: rgba(255, 148, 0, 0.05);
        }

        .t1207-nav-link.active {
            color: var(--t1207-primary);
            background: rgba(255, 148, 0, 0.1);
        }

        /* Hero 区设计 - 独特对角线分割布局 */
        .t1207-hero {
            position: relative;
            padding: 160px 32px 120px;
            background: var(--t1207-accent);
            color: #fff;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .t1207-hero-content {
            max-width: 900px;
            text-align: center;
            position: relative;
            z-index: 2;
            min-width: 0;
        }

        .t1207-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 32px;
            background: linear-gradient(to right, #fff, #ff9400);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: break-word;
        }

        .t1207-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.5rem);
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            word-break: break-word;
        }

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

        .t1207-btn {
            padding: 18px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            min-width: 200px;
            text-align: center;
        }

        .t1207-btn-primary {
            background: var(--t1207-gradient);
            color: #fff;
            box-shadow: 0 10px 30px rgba(255, 148, 0, 0.3);
        }

        .t1207-btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(255, 148, 0, 0.4);
        }

        /* 核心优势区 - Grid 布局 */
        .t1207-features {
            padding: 96px 32px;
            max-width: var(--t1207-container);
            margin: 0 auto;
        }

        .t1207-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .t1207-section-tag {
            color: var(--t1207-primary);
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 16px;
            display: block;
        }

        .t1207-section-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 3rem);
            font-weight: 800;
            color: var(--t1207-accent);
        }

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

        .t1207-card {
            background: var(--t1207-bg-soft);
            padding: 48px;
            border-radius: var(--t1207-radius);
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            min-width: 0;
        }

        .t1207-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--t1207-gradient);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .t1207-card:hover {
            transform: translateY(-10px);
            background: #fff;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .t1207-card:hover::before {
            opacity: 1;
        }

        .t1207-card-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--t1207-accent);
        }

        .t1207-card-desc {
            color: var(--t1207-text-light);
            font-size: 1.05rem;
        }

        /* 加速步骤区 - 独特流式布局 */
        .t1207-optimization {
            background: #f0f4f9;
            padding: 96px 32px;
        }

        .t1207-opt-container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .t1207-step {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 80px;
        }

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

        .t1207-step-visual {
            flex: 1 1 400px;
            background: var(--t1207-gradient);
            height: 300px;
            border-radius: 24px;
            position: relative;
            box-shadow: 0 30px 60px rgba(255, 26, 105, 0.15);
            min-width: 0;
        }

        .t1207-step-text {
            flex: 1 1 400px;
            min-width: 0;
        }

        .t1207-step-number {
            font-size: 4rem;
            font-weight: 900;
            color: rgba(255, 148, 0, 0.15);
            line-height: 1;
            margin-bottom: -20px;
        }

        /* 动态资讯区 */
        .t1207-news-section {
            padding: 96px 32px;
            max-width: var(--t1207-container);
            margin: 0 auto;
        }

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

        .t1207-news-item {
            flex: 1 1 300px;
            padding: 24px;
            border-bottom: 1px solid #eee;
            transition: background 0.3s;
            min-width: 0;
        }

        .t1207-news-item:hover {
            background: var(--t1207-bg-soft);
        }

        /* 页脚设计 */
        .t1207-footer {
            background: #15141a;
            color: #fff;
            padding: 80px 32px 40px;
        }

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

        .t1207-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .t1207-footer-brand-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--t1207-primary);
        }

        .t1207-footer-links {
            flex: 2 1 600px;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            min-width: 0;
        }

        .t1207-footer-col {
            flex: 1 1 150px;
            min-width: 0;
        }

        .t1207-footer-col h4 {
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

        .t1207-footer-col ul {
            list-style: none;
        }

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

        .t1207-footer-col a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.2s;
        }

        .t1207-footer-col a:hover {
            color: #fff;
        }

        .t1207-bottom {
            max-width: var(--t1207-container);
            margin: 48px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.9rem;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .t1207-nav-menu {
                display: none; /* 简化移动端导航 */
            }
            .t1207-hero {
                padding: 120px 24px 80px;
            }
            .t1207-step {
                flex-direction: column !important;
                gap: 32px;
            }
            .t1207-step-visual {
                width: 100%;
                height: 200px;
            }
            .t1207-grid {
                grid-template-columns: 1fr;
            }
        }