:root {
            --gd6iw-primary: #ff6600;
            --gd6iw-primary-hover: #ff8533;
            --gd6iw-dark: #1a1a1a;
            --gd6iw-light: #f8f9fa;
            --gd6iw-text: #333333;
            --gd6iw-gray: #666666;
            --gd6iw-glass: rgba(255, 255, 255, 0.85);
            --gd6iw-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --gd6iw-max-width: 1400px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--gd6iw-text);
            line-height: 1.8;
            background-color: #fff;
            overflow-x: hidden;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        /* 导航栏 */
        .gd6iw-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--gd6iw-glass);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

        .gd6iw-nav-container {
            max-width: var(--gd6iw-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 0 24px;
            height: 80px;
        }

        .gd6iw-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .gd6iw-logo img {
            height: 40px;
            display: block;
        }

        .gd6iw-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .gd6iw-nav-item a {
            text-decoration: none;
            color: var(--gd6iw-dark);
            font-weight: 500;
            font-size: 15px;
            transition: var(--gd6iw-transition);
            position: relative;
            padding: 8px 0;
        }

        .gd6iw-nav-item a:hover {
            color: var(--gd6iw-primary);
        }

        .gd6iw-nav-item a.gd6iw-active {
            color: var(--gd6iw-primary);
        }

        .gd6iw-nav-item a.gd6iw-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gd6iw-primary);
            border-radius: 2px;
        }

        /* Hero 区块 */
        .gd6iw-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 102, 0, 0.05) 0%, rgba(255, 255, 255, 1) 50%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .gd6iw-hero-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 2;
        }

        .gd6iw-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--gd6iw-dark);
            letter-spacing: -1px;
        }

        .gd6iw-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--gd6iw-gray);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .gd6iw-voice-visualizer {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            height: 120px;
            margin-bottom: 48px;
        }

        .gd6iw-bar {
            width: 6px;
            background: var(--gd6iw-primary);
            border-radius: 3px;
            height: 20px;
            animation: gd6iw-wave 1.5s ease-in-out infinite;
        }

        @keyframes gd6iw-wave {
            0%, 100% { height: 20px; }
            50% { height: 80px; }
        }

        /* AI助手区块 */
        .gd6iw-section {
            padding: 96px 24px;
            max-width: var(--gd6iw-max-width);
            margin: 0 auto;
        }

        .gd6iw-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .gd6iw-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 102, 0, 0.1);
            color: var(--gd6iw-primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .gd6iw-grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .gd6iw-card {
            background: #fff;
            padding: 48px;
            border-radius: 24px;
            border: 1px solid #eee;
            transition: var(--gd6iw-transition);
            position: relative;
            overflow: hidden;
        }

        .gd6iw-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-color: var(--gd6iw-primary);
        }

        .gd6iw-card-icon {
            font-size: 40px;
            margin-bottom: 24px;
            display: block;
        }

        .gd6iw-card-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--gd6iw-dark);
        }

        .gd6iw-card-desc {
            color: var(--gd6iw-gray);
            font-size: 16px;
        }

        /* 垂直领域增强 */
        .gd6iw-vertical-box {
            background: var(--gd6iw-dark);
            border-radius: 40px;
            padding: 80px;
            color: #fff;
            margin-top: 64px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

        .gd6iw-vertical-content {
            flex: 1 1 500px;
            min-width: 0;
        }

        .gd6iw-vertical-list {
            flex: 1 1 400px;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .gd6iw-vertical-item {
            background: rgba(255,255,255,0.05);
            padding: 24px;
            border-radius: 16px;
            transition: var(--gd6iw-transition);
            border-left: 4px solid var(--gd6iw-primary);
        }

        .gd6iw-vertical-item:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(10px);
        }

        .gd6iw-industry {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--gd6iw-primary);
        }

        /* 动态内容 */
        .gd6iw-news-section {
            background: var(--gd6iw-light);
            padding: 96px 24px;
        }

        .gd6iw-news-container {
            max-width: var(--gd6iw-max-width);
            margin: 0 auto;
        }

        /* 页脚 */
        .gd6iw-footer {
            padding: 80px 24px;
            background: #fff;
            border-top: 1px solid #eee;
            text-align: center;
        }

        .gd6iw-footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--gd6iw-dark);
            margin-bottom: 16px;
        }

        .gd6iw-footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            margin-bottom: 32px;
            list-style: none;
        }

        .gd6iw-footer-links a {
            text-decoration: none;
            color: var(--gd6iw-gray);
            font-size: 14px;
        }

        .gd6iw-copyright {
            font-size: 13px;
            color: #999;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .gd6iw-nav-container {
                height: auto;
                padding: 16px;
            }
            .gd6iw-nav-menu {
                display: none; /* 简化移动端，实际开发可加汉堡菜单 */
            }
            .gd6iw-hero {
                padding-top: 120px;
            }
            .gd6iw-vertical-box {
                padding: 40px 24px;
            }
            .gd6iw-grid-3 {
                grid-template-columns: 1fr;
            }
        }