:root {
            --hhx9et-primary: #188fff;
            --hhx9et-primary-dark: #0d6efd;
            --hhx9et-accent: #00d2ff;
            --hhx9et-bg: #f8faff;
            --hhx9et-text: #2d3436;
            --hhx9et-text-light: #636e72;
            --hhx9et-white: #ffffff;
            --hhx9et-shadow: 0 10px 30px rgba(24, 143, 255, 0.1);
            --hhx9et-radius: 16px;
            --hhx9et-container: 1100px;
        }

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

        body {
            font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--hhx9et-bg);
            color: var(--hhx9et-text);
            line-height: 1.7;
            word-break: break-word;
            overflow-x: hidden;
        }

        /* 导航系统 */
        .hhx9et-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            z-index: 1000;
            border-bottom: 1px solid rgba(24, 143, 255, 0.1);
            padding: 0 24px;
        }

        .hhx9et-nav-container {
            max-width: var(--hhx9et-container);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .hhx9et-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .hhx9et-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .hhx9et-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
            min-width: 0;
        }

        .hhx9et-nav-item {
            min-width: 0;
        }

        .hhx9et-nav-link {
            text-decoration: none;
            color: var(--hhx9et-text);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .hhx9et-nav-link:hover {
            color: var(--hhx9et-primary);
            background: rgba(24, 143, 255, 0.05);
        }

        .hhx9et-nav-link.hhx9et-active {
            background: var(--hhx9et-primary);
            color: var(--hhx9et-white);
        }

        /* Hero 区域 - 独特的诊断风格 */
        .hhx9et-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #ffffff 0%, #eef5ff 100%);
            position: relative;
            overflow: hidden;
        }

        .hhx9et-hero::before {
            content: "";
            position: absolute;
            top: -10%;
            right: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(24, 143, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hhx9et-hero-content {
            max-width: var(--hhx9et-container);
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .hhx9et-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            color: #1a1a1a;
            margin-bottom: 24px;
            word-break: keep-all;
        }

        .hhx9et-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--hhx9et-text-light);
            max-width: 800px;
            margin: 0 auto 48px;
        }

        /* 解决办法核心内容区 */
        .hhx9et-main-layout {
            max-width: var(--hhx9et-container);
            margin: -40px auto 80px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding: 0 24px;
        }

        .hhx9et-content-column {
            flex: 1 1 650px;
            min-width: 0;
        }

        .hhx9et-sidebar-column {
            flex: 1 1 300px;
            min-width: 0;
        }

        .hhx9et-card {
            background: var(--hhx9et-white);
            border-radius: var(--hhx9et-radius);
            padding: 40px;
            box-shadow: var(--hhx9et-shadow);
            margin-bottom: 32px;
            transition: transform 0.3s ease;
        }

        .hhx9et-card:hover {
            transform: translateY(-5px);
        }

        .hhx9et-section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(24, 143, 255, 0.1);
            color: var(--hhx9et-primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .hhx9et-card h2 {
            font-size: 1.75rem;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hhx9et-step-list {
            list-style: none;
        }

        .hhx9et-step-item {
            padding-left: 40px;
            position: relative;
            margin-bottom: 24px;
        }

        .hhx9et-step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 28px;
            height: 28px;
            background: var(--hhx9et-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .hhx9et-code-box {
            background: #2d3436;
            color: #fab1a0;
            padding: 20px;
            border-radius: 8px;
            font-family: "Courier New", Courier, monospace;
            margin: 16px 0;
            position: relative;
            overflow-x: auto;
        }

        /* 行业场景区块 */
        .hhx9et-industry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 48px;
            width: 100%;
        }

        .hhx9et-industry-item {
            background: #ffffff;
            border-left: 4px solid var(--hhx9et-primary);
            padding: 24px;
            border-radius: 0 12px 12px 0;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        .hhx9et-industry-item h3 {
            color: var(--hhx9et-primary);
            margin-bottom: 12px;
        }

        /* 侧边栏小组件 */
        .hhx9et-widget {
            background: var(--hhx9et-white);
            border-radius: var(--hhx9et-radius);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid rgba(24, 143, 255, 0.1);
        }

        .hhx9et-widget-title {
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--hhx9et-bg);
        }

        .hhx9et-btn {
            display: inline-block;
            padding: 14px 28px;
            background: linear-gradient(to right, var(--hhx9et-primary), var(--hhx9et-accent));
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            text-align: center;
            width: 100%;
        }

        .hhx9et-btn:hover {
            box-shadow: 0 8px 20px rgba(24, 143, 255, 0.3);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .hhx9et-footer {
            background: #1a1a1a;
            color: #d1d1d1;
            padding: 80px 24px 40px;
            margin-top: 64px;
        }

        .hhx9et-footer-container {
            max-width: var(--hhx9et-container);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

        .hhx9et-footer-brand {
            flex: 2 1 300px;
            min-width: 0;
        }

        .hhx9et-footer-brand h2 {
            color: white;
            margin-bottom: 16px;
        }

        .hhx9et-footer-links {
            flex: 1 1 200px;
            min-width: 0;
        }

        .hhx9et-footer-links h4 {
            color: white;
            margin-bottom: 20px;
        }

        .hhx9et-footer-links ul {
            list-style: none;
        }

        .hhx9et-footer-links li {
            margin-bottom: 12px;
        }

        .hhx9et-footer-links a {
            color: #a0a0a0;
            text-decoration: none;
            transition: color 0.3s;
        }

        .hhx9et-footer-links a:hover {
            color: var(--hhx9et-primary);
        }

        .hhx9et-copyright {
            width: 100%;
            text-align: center;
            padding-top: 40px;
            margin-top: 40px;
            border-top: 1px solid #333;
            font-size: 0.9rem;
        }

        @media (max-width: 768px) {
            .hhx9et-nav-container {
                height: auto;
                padding: 16px 0;
            }
            .hhx9et-nav-menu {
                width: 100%;
                justify-content: center;
                margin-top: 16px;
            }
            .hhx9et-content-column, .hhx9et-sidebar-column {
                flex: 1 1 100%;
            }
            .hhx9et-hero {
                padding: 120px 24px 60px;
            }
        }