/* 基础变量与重置 */
        :root {
            --t1207-primary: #FF7139;
            --t1207-primary-dark: #E66027;
            --t1207-secondary: #0060DF;
            --t1207-accent: #FFBD39;
            --t1207-text: #2B2A33;
            --t1207-text-light: #5B5B66;
            --t1207-bg: #FFFFFF;
            --t1207-bg-soft: #F9F9FB;
            --t1207-glass: rgba(255, 255, 255, 0.85);
            --t1207-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --t1207-radius: 16px;
            --t1207-container: 1400px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-font-smoothing: antialiased;
        }

        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: 1.6;
            overflow-x: hidden;
        }

        /* 布局核心规则 */
        .t1207-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .t1207-flex > * {
            min-width: 0;
        }

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

        .t1207-section {
            padding: 96px 0;
            word-break: break-word;
            overflow-wrap: break-word;
        }

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

        .t1207-nav-container {
            height: 80px;
            justify-content: space-between;
            align-items: center;
        }

        .t1207-logo {
            width: 180px;
            display: flex;
            align-items: center;
        }

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

        .t1207-menu {
            list-style: none;
            gap: 8px;
        }

        .t1207-menu li a {
            text-decoration: none;
            color: var(--t1207-text-light);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
            font-size: 0.95rem;
        }

        .t1207-menu li a:hover {
            color: var(--t1207-primary);
            background: rgba(255, 113, 57, 0.05);
        }

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

        /* Hero 区块 - 独特非对称布局 */
        .t1207-hero {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 189, 57, 0.15), transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 96, 223, 0.1), transparent 40%);
            position: relative;
        }

        .t1207-hero-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 64px;
            align-items: center;
        }

        .t1207-hero-content {
            max-width: 650px;
        }

        .t1207-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 32px;
            color: var(--t1207-text);
            word-break: keep-all;
        }

        .t1207-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.35rem);
            color: var(--t1207-text-light);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .t1207-hero-visual {
            position: relative;
            background: #fff;
            border-radius: var(--t1207-radius);
            box-shadow: var(--t1207-shadow);
            padding: 16px;
            border: 1px solid rgba(0,0,0,0.03);
            transform: perspective(1000px) rotateY(-5deg);
        }

        .t1207-preview-window {
            background: var(--t1207-bg-soft);
            border-radius: 10px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            display: flex;
            flex-direction: column;
        }

        .t1207-window-bar {
            height: 32px;
            background: #E3E3E8;
            padding: 0 12px;
            align-items: center;
            gap: 6px;
        }

        .t1207-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ccc;
        }

        .t1207-window-content {
            flex: 1;
            background: linear-gradient(135deg, #FF7139 0%, #FFBD39 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.5rem;
            text-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        /* 功能卡片区 - Grid 布局 */
        .t1207-features {
            background-color: var(--t1207-bg-soft);
        }

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

        .t1207-card {
            background: var(--t1207-bg);
            padding: 48px;
            border-radius: var(--t1207-radius);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            border: 1px solid rgba(0,0,0,0.02);
            position: relative;
            overflow: hidden;
        }

        .t1207-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--t1207-shadow);
        }

        .t1207-card-icon {
            width: 64px;
            height: 64px;
            background: rgba(255, 113, 57, 0.1);
            border-radius: 12px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--t1207-primary);
        }

        .t1207-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .t1207-card p {
            color: var(--t1207-text-light);
            font-size: 1rem;
        }

        /* 动态内容区 - 宽屏画廊 */
        .t1207-gallery {
            background: #fff;
        }

        .t1207-gallery-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 64px;
        }

        .t1207-gallery-header h2 {
            font-size: 2.5rem;
            margin-bottom: 24px;
        }

        .t1207-theme-strip {
            gap: 24px;
            margin-top: 48px;
        }

        .t1207-theme-item {
            flex: 1;
            min-width: 280px;
            height: 200px;
            border-radius: 12px;
            background-size: cover;
            background-position: center;
            cursor: pointer;
            transition: transform 0.3s ease;
            display: flex;
            align-items: flex-end;
            padding: 20px;
            color: white;
            font-weight: 600;
        }

        .t1207-theme-item:hover {
            transform: scale(1.03);
        }

        .t1207-theme-1 { background: linear-gradient(to top, rgba(0,0,0,0.6), transparent), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23FF7139"/></svg>'); }
        .t1207-theme-2 { background: linear-gradient(to top, rgba(0,0,0,0.6), transparent), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%230060DF"/></svg>'); }
        .t1207-theme-3 { background: linear-gradient(to top, rgba(0,0,0,0.6), transparent), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%232B2A33"/></svg>'); }
        .t1207-theme-4 { background: linear-gradient(to top, rgba(0,0,0,0.6), transparent), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23FFBD39"/></svg>'); }

        /* 底部 CTA 区块 */
        .t1207-cta {
            background: var(--t1207-text);
            color: white;
            text-align: center;
            border-radius: 32px;
            margin: 48px 24px;
            padding: 80px 24px;
        }

        .t1207-cta h2 {
            font-size: clamp(2rem, 3vw, 3rem);
            margin-bottom: 24px;
        }

        .t1207-btn {
            display: inline-block;
            padding: 18px 48px;
            background: var(--t1207-primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 113, 57, 0.3);
        }

        .t1207-btn:hover {
            background: var(--t1207-primary-dark);
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(255, 113, 57, 0.4);
        }

        /* 页脚 */
        .t1207-footer {
            background: #F9F9FB;
            padding: 80px 0 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

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

        .t1207-footer-brand h4 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--t1207-text);
        }

        .t1207-footer-brand p {
            color: var(--t1207-text-light);
            max-width: 300px;
        }

        .t1207-footer-links h5 {
            font-size: 1.1rem;
            margin-bottom: 24px;
        }

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

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

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

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

        .t1207-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            color: var(--t1207-text-light);
            font-size: 0.9rem;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .t1207-hero-grid {
                grid-template-columns: 1fr;
            }
            .t1207-hero-visual {
                transform: none;
                max-width: 600px;
                margin: 0 auto;
            }
            .t1207-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .t1207-header {
                position: relative;
            }
            .t1207-menu {
                display: none; /* 简化移动端，实际需配合JS做汉堡菜单 */
            }
            .t1207-section {
                padding: 64px 0;
            }
            .t1207-footer-grid {
                grid-template-columns: 1fr;
            }
        }