/* 核心变量与基础重置 */
        :root {
            --h187-primary: #0066cc;
            --h187-primary-light: #eef6ff;
            --h187-secondary: #2c3e50;
            --h187-accent: #00d4ff;
            --h187-text-dark: #1a1a1a;
            --h187-text-light: #666666;
            --h187-bg-white: #ffffff;
            --h187-bg-gray: #f8fafc;
            --h187-border: #e2e8f0;
            --h187-success: #10b981;
            --h187-warning: #f59e0b;
            --h187-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --h187-max-width: 1300px;
        }

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

        body {
            font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--h187-text-dark);
            line-height: 1.7;
            background-color: var(--h187-bg-white);
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 布局容器 */
        .h187-container {
            max-width: var(--h187-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏设计 */
        .h187-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--h187-border);
            transition: var(--h187-transition);
        }

        .h187-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
        }

        .h187-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .h187-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .h187-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .h187-menu li a {
            text-decoration: none;
            color: var(--h187-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--h187-transition);
        }

        .h187-menu li a:hover {
            color: var(--h187-primary);
            background: var(--h187-primary-light);
        }

        .h187-menu li a.h187-active {
            color: var(--h187-primary);
            background: var(--h187-primary-light);
            font-weight: 700;
        }

        /* Hero 区块 - 独特非对称布局 */
        .h187-hero {
            padding: 96px 0;
            background: radial-gradient(circle at top right, #f0f7ff 0%, #ffffff 50%);
            position: relative;
            overflow: hidden;
        }

        .h187-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .h187-hero-content {
            flex: 1 1 500px;
            min-width: 0;
            word-break: break-word;
        }

        .h187-badge {
            display: inline-block;
            background: var(--h187-primary-light);
            color: var(--h187-primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .h187-hero-title {
            font-size: clamp(2rem, 4vw + 0.5rem, 3.5rem);
            line-height: 1.2;
            color: var(--h187-secondary);
            margin-bottom: 24px;
            font-weight: 800;
        }

        .h187-hero-subtitle {
            font-size: clamp(1rem, 1.5vw, 1.25rem);
            color: var(--h187-text-light);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .h187-hero-visual {
            flex: 1 1 400px;
            min-width: 0;
            position: relative;
        }

        .h187-vs-card {
            background: white;
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            padding: 32px;
            position: relative;
            border: 1px solid var(--h187-border);
        }

        /* 对比核心表格 - 创意卡片化 */
        .h187-comparison-section {
            padding: 80px 0;
            background: var(--h187-bg-gray);
        }

        .h187-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .h187-section-title {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .h187-vs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .h187-compare-card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            transition: var(--h187-transition);
            border: 1px solid var(--h187-border);
            display: flex;
            flex-direction: column;
        }

        .h187-compare-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.05);
        }

        .h187-compare-card.h187-featured {
            border: 2px solid var(--h187-primary);
            position: relative;
        }

        .h187-featured-tag {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--h187-primary);
            color: white;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: bold;
        }

        .h187-card-head {
            margin-bottom: 32px;
            border-bottom: 1px solid var(--h187-border);
            padding-bottom: 24px;
        }

        .h187-card-brand {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .h187-card-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--h187-primary);
        }

        .h187-feature-list {
            list-style: none;
            flex-grow: 1;
        }

        .h187-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
            font-size: 15px;
            word-break: break-word;
        }

        .h187-check {
            color: var(--h187-success);
            font-weight: bold;
        }

        /* 算法与能力区块 */
        .h187-capabilities {
            padding: 96px 0;
        }

        .h187-cap-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .h187-cap-item {
            flex: 1 1 380px;
            min-width: 0;
            background: white;
            padding: 32px;
            border-radius: 16px;
            border-left: 4px solid var(--h187-primary);
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }

        .h187-cap-type {
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 16px;
            color: var(--h187-secondary);
        }

        .h187-cap-edge {
            background: #fff8eb;
            color: #b45309;
            padding: 12px;
            border-radius: 8px;
            font-size: 14px;
            margin-top: 16px;
            border: 1px dashed #f59e0b;
        }

        /* 应用场景 - 动态区块 */
        .h187-ecosystem-section {
            padding: 80px 0;
            background: var(--h187-bg-gray);
        }

        .h187-scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .h187-scenario-card {
            background: white;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--h187-border);
        }

        .h187-scenario-tag {
            font-weight: 700;
            color: var(--h187-primary);
            display: block;
            margin-bottom: 8px;
        }

        /* 底部 */
        .h187-footer {
            background: var(--h187-secondary);
            color: white;
            padding: 64px 0 32px;
        }

        .h187-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 48px;
        }

        .h187-footer-brand {
            flex: 1 1 300px;
        }

        .h187-footer-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .h187-footer-links {
            flex: 2 1 600px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 24px;
        }

        .h187-footer-links ul {
            list-style: none;
        }

        .h187-footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            font-size: 14px;
            line-height: 2.5;
            transition: var(--h187-transition);
        }

        .h187-footer-links a:hover {
            color: white;
        }

        .h187-copyright {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
            color: #94a3b8;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .h187-nav-wrapper {
                flex-direction: column;
                gap: 16px;
            }
            .h187-menu {
                justify-content: center;
            }
            .h187-hero {
                padding: 48px 0;
                text-align: center;
            }
            .h187-hero-content {
                flex: 1 1 100%;
            }
            .h187-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
        }