:root {
            --hdsq1-primary: #1A73E8;
            --hdsq1-accent: #FBBC05;
            --hdsq1-success: #34A853;
            --hdsq1-danger: #EA4335;
            --hdsq1-text: #202124;
            --hdsq1-text-light: #5f6368;
            --hdsq1-bg: #ffffff;
            --hdsq1-bg-alt: #f8f9fa;
            --hdsq1-glass: rgba(255, 255, 255, 0.85);
            --hdsq1-radius: 20px;
            --hdsq1-spacing: 8px;
        }

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

        body {
            font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            color: var(--hdsq1-text);
            background-color: var(--hdsq1-bg);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 导航系统 */
        .hdsq1-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            background: transparent;
            padding: 20px 0;
        }

        .hdsq1-header.hdsq1-scrolled {
            background: var(--hdsq1-glass);
            backdrop-filter: blur(15px);
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }

        .hdsq1-container-nav {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .hdsq1-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .hdsq1-logo img {
            height: 40px;
            display: block;
        }

        .hdsq1-nav-list {
            display: flex;
            list-style: none;
            gap: 24px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .hdsq1-nav-link {
            text-decoration: none;
            color: var(--hdsq1-text);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
            padding: 8px 0;
        }

        .hdsq1-nav-link:hover {
            color: var(--hdsq1-primary);
        }

        .hdsq1-nav-link.active {
            color: var(--hdsq1-primary);
        }

        .hdsq1-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--hdsq1-primary);
            border-radius: 2px;
        }

        /* 非对称Hero区块 */
        .hdsq1-hero {
            padding-top: 180px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 90% 10%, rgba(26, 115, 232, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(251, 188, 5, 0.08) 0%, transparent 40%);
            position: relative;
            overflow: hidden;
        }

        .hdsq1-liquid-shape {
            position: absolute;
            z-index: -1;
            fill: var(--hdsq1-primary);
            opacity: 0.03;
            top: -100px;
            right: -100px;
            width: 600px;
            animation: rotate 60s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .hdsq1-container-hero {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 64px;
            align-items: center;
        }

        .hdsq1-hero-content {
            min-width: 0;
            word-break: break-word;
        }

        .hdsq1-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--hdsq1-text);
        }

        .hdsq1-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.4rem);
            color: var(--hdsq1-text-light);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .hdsq1-hero-visual {
            position: relative;
            min-width: 0;
        }

        .hdsq1-status-card {
            background: white;
            padding: 32px;
            border-radius: var(--hdsq1-radius);
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
            border: 1px solid rgba(0,0,0,0.05);
            transform: rotate(3deg);
            transition: transform 0.5s;
        }

        .hdsq1-status-card:hover {
            transform: rotate(0deg) translateY(-10px);
        }

        /* 核心设置步骤区块 - 非对称栅格 */
        .hdsq1-section-steps {
            padding: 100px 0;
            background-color: var(--hdsq1-bg-alt);
        }

        .hdsq1-container-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 32px;
        }

        .hdsq1-step-card {
            background: white;
            padding: 40px;
            border-radius: var(--hdsq1-radius);
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
            min-width: 0;
            word-break: break-word;
        }

        .hdsq1-step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--hdsq1-primary);
        }

        .hdsq1-card-1 { grid-column: span 7; }
        .hdsq1-card-2 { grid-column: span 5; }
        .hdsq1-card-3 { grid-column: span 5; }
        .hdsq1-card-4 { grid-column: span 7; }

        .hdsq1-step-card:hover {
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
            transform: translateY(-5px);
        }

        .hdsq1-step-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(26, 115, 232, 0.1);
            position: absolute;
            top: 20px;
            right: 30px;
        }

        .hdsq1-step-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--hdsq1-primary);
        }

        /* 动态按钮 */
        .hdsq1-btn-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
        }

        .hdsq1-btn-primary {
            display: inline-block;
            padding: 16px 40px;
            background: var(--hdsq1-primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
            position: relative;
            box-shadow: 0 10px 20px rgba(26, 115, 232, 0.2);
            animation: breathe 3s infinite;
        }

        @keyframes breathe {
            0% { box-shadow: 0 0 0 0 rgba(26, 115, 232, 0.4); }
            70% { box-shadow: 0 0 0 15px rgba(26, 115, 232, 0); }
            100% { box-shadow: 0 0 0 0 rgba(26, 115, 232, 0); }
        }

        .hdsq1-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(26, 115, 232, 0.3);
            background: #1557b0;
        }

        /* 资讯区块 */
        .hdsq1-section-news {
            padding: 80px 0;
        }

        .hdsq1-news-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .hdsq1-news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .hdsq1-news-item {
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
            transition: border-color 0.3s;
        }

        .hdsq1-news-item:hover {
            border-color: var(--hdsq1-primary);
        }

        .hdsq1-news-tag {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--hdsq1-primary);
            font-weight: 700;
            display: block;
            margin-bottom: 8px;
        }

        /* 页脚 */
        .hdsq1-footer {
            background: #1a1a1a;
            color: white;
            padding: 80px 0 40px;
        }

        .hdsq1-container-footer {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }

        .hdsq1-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .hdsq1-footer-brand-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: white;
        }

        .hdsq1-footer-links {
            flex: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            min-width: 0;
        }

        .hdsq1-footer-group {
            min-width: 140px;
        }

        .hdsq1-footer-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 24px;
            text-transform: uppercase;
            color: #888;
        }

        .hdsq1-footer-nav {
            list-style: none;
        }

        .hdsq1-footer-nav li {
            margin-bottom: 12px;
        }

        .hdsq1-footer-nav a {
            color: #bbb;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 14px;
        }

        .hdsq1-footer-nav a:hover {
            color: white;
        }

        .hdsq1-copyright {
            width: 100%;
            margin-top: 60px;
            padding-top: 30px;
            border-top: 1px solid #333;
            text-align: center;
            font-size: 13px;
            color: #666;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hdsq1-card-1, .hdsq1-card-2, .hdsq1-card-3, .hdsq1-card-4 {
                grid-column: span 6;
            }
        }

        @media (max-width: 768px) {
            .hdsq1-container-hero {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hdsq1-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hdsq1-hero-visual {
                order: -1;
            }
            .hdsq1-status-card {
                transform: none;
                max-width: 400px;
                margin: 0 auto;
            }
            .hdsq1-card-1, .hdsq1-card-2, .hdsq1-card-3, .hdsq1-card-4 {
                grid-column: span 12;
            }
            .hdsq1-nav-list {
                display: none; /* 简化演示，实际应有汉堡菜单 */
            }
        }