:root {
            --gd6iw-primary: #ff6600;
            --gd6iw-primary-dark: #e65c00;
            --gd6iw-secondary: #4a90e2;
            --gd6iw-text: #2c3e50;
            --gd6iw-text-light: #7f8c8d;
            --gd6iw-bg: #ffffff;
            --gd6iw-bg-soft: #f4f7f9;
            --gd6iw-white: #ffffff;
            --gd6iw-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --gd6iw-radius: 16px;
            --gd6iw-container: 1400px;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        ul {
            list-style: none;
        }

        /* Fluid Typography */
        h1 { font-size: clamp(2rem, 5vw + 1rem, 4rem); line-height: 1.2; font-weight: 800; margin-bottom: 24px; white-space: normal; }
        h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem); line-height: 1.3; font-weight: 700; margin-bottom: 24px; }
        h3 { font-size: clamp(1.2rem, 2vw + 0.2rem, 1.8rem); line-height: 1.4; font-weight: 600; margin-bottom: 16px; }
        p { font-size: clamp(1rem, 1vw + 0.5rem, 1.125rem); color: var(--gd6iw-text-light); margin-bottom: 16px; word-break: keep-all; }

        /* Navigation */
        .gd6iw-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
        }

        .gd6iw-nav-container {
            max-width: var(--gd6iw-container);
            margin: 0 auto;
            width: 100%;
            padding: 0 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .gd6iw-logo {
            flex-shrink: 0;
            height: 40px;
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .gd6iw-logo img {
            height: 100%;
            object-fit: contain;
        }

        .gd6iw-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            min-width: 0;
        }

        .gd6iw-menu-item {
            font-size: 16px;
            font-weight: 500;
            color: var(--gd6iw-text);
            position: relative;
            padding: 8px 0;
        }

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

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

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

        /* Hero Section */
        .gd6iw-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at top right, #fff5f0 0%, #ffffff 50%);
            overflow: hidden;
        }

        .gd6iw-hero-grid {
            max-width: var(--gd6iw-container);
            margin: 0 auto;
            padding: 0 48px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .gd6iw-hero-content {
            flex: 1;
            min-width: 350px;
            padding-right: 48px;
        }

        .gd6iw-hero-visual {
            flex: 1;
            min-width: 350px;
            position: relative;
            display: flex;
            justify-content: center;
        }

        .gd6iw-skin-card-stack {
            position: relative;
            width: 100%;
            max-width: 500px;
            height: 400px;
        }

        .gd6iw-skin-preview {
            position: absolute;
            width: 320px;
            height: 200px;
            background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
            border-radius: var(--gd6iw-radius);
            box-shadow: var(--gd6iw-shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            transform: rotate(-5deg);
            z-index: 3;
            border: 4px solid #fff;
        }

        .gd6iw-skin-preview:nth-child(2) {
            background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
            transform: translate(40px, 60px) rotate(5deg);
            z-index: 2;
        }

        .gd6iw-skin-preview:nth-child(3) {
            background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
            transform: translate(-30px, 120px) rotate(-2deg);
            z-index: 1;
        }

        .gd6iw-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 102, 0, 0.1);
            color: var(--gd6iw-primary);
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .gd6iw-btn {
            display: inline-flex;
            align-items: center;
            padding: 16px 36px;
            background: var(--gd6iw-primary);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            font-size: 18px;
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.2);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .gd6iw-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 102, 0, 0.3);
            background: var(--gd6iw-primary-dark);
        }

        /* Skin Category Grid */
        .gd6iw-section {
            padding: 96px 48px;
            max-width: var(--gd6iw-container);
            margin: 0 auto;
        }

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

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

        .gd6iw-skin-item {
            background: var(--gd6iw-white);
            border-radius: var(--gd6iw-radius);
            overflow: hidden;
            border: 1px solid rgba(0,0,0,0.05);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        .gd6iw-skin-item:hover {
            transform: translateY(-10px);
            box-shadow: var(--gd6iw-shadow);
        }

        .gd6iw-skin-thumb {
            width: 100%;
            height: 200px;
            background-color: #eee;
            position: relative;
            overflow: hidden;
        }

        .gd6iw-skin-thumb-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            background: linear-gradient(45deg, #f3f4f6, #e5e7eb);
        }

        .gd6iw-skin-info {
            padding: 24px;
        }

        /* AI Feature Section */
        .gd6iw-ai-feature {
            background-color: #0a0e14;
            color: white;
            padding: 96px 48px;
            border-radius: 40px;
            margin: 0 24px 96px;
        }

        .gd6iw-ai-container {
            max-width: var(--gd6iw-container);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }

        .gd6iw-ai-content {
            flex: 1;
            min-width: 300px;
            padding: 24px;
        }

        .gd6iw-ai-content h2 { color: white; }
        .gd6iw-ai-content p { color: #a0aec0; }

        .gd6iw-module-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }

        .gd6iw-module-card {
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: var(--gd6iw-radius);
            border: 1px solid rgba(255,255,255,0.1);
        }

        .gd6iw-module-card h4 {
            font-size: 20px;
            margin-bottom: 16px;
            color: var(--gd6iw-primary);
        }

        /* Industry Vertical Section */
        .gd6iw-verticals {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
        }

        .gd6iw-vertical-item {
            flex: 1;
            min-width: 280px;
            background: var(--gd6iw-bg-soft);
            padding: 32px;
            border-radius: var(--gd6iw-radius);
            transition: all 0.3s ease;
        }

        .gd6iw-vertical-item:hover {
            background: white;
            box-shadow: var(--gd6iw-shadow);
        }

        .gd6iw-industry-label {
            display: inline-block;
            font-weight: bold;
            color: var(--gd6iw-secondary);
            margin-bottom: 12px;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Dynamic Content Section */
        .gd6iw-news-section {
            background: var(--gd6iw-bg-soft);
            padding: 96px 48px;
        }

        .gd6iw-news-grid {
            max-width: var(--gd6iw-container);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
            gap: 32px;
        }

        .gd6iw-news-card {
            background: white;
            padding: 32px;
            border-radius: var(--gd6iw-radius);
            display: flex;
            flex-direction: column;
        }

        /* Footer */
        .gd6iw-footer {
            background: #1a202c;
            color: white;
            padding: 96px 48px 48px;
        }

        .gd6iw-footer-container {
            max-width: var(--gd6iw-container);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 64px;
        }

        .gd6iw-footer-brand h3 {
            color: white;
            margin-bottom: 24px;
        }

        .gd6iw-footer-links h4 {
            color: white;
            margin-bottom: 24px;
            font-size: 18px;
        }

        .gd6iw-footer-links ul li {
            margin-bottom: 12px;
        }

        .gd6iw-footer-links ul li a {
            color: #a0aec0;
            font-size: 15px;
        }

        .gd6iw-footer-links ul li a:hover {
            color: var(--gd6iw-primary);
        }

        .gd6iw-footer-bottom {
            max-width: var(--gd6iw-container);
            margin: 0 auto;
            padding-top: 48px;
            text-align: center;
            color: #718096;
            font-size: 14px;
        }

        /* Mobile Adjustments */
        @media (max-width: 768px) {
            .gd6iw-navbar { height: auto; padding: 16px 0; }
            .gd6iw-nav-container { padding: 0 24px; flex-direction: column; gap: 16px; }
            .gd6iw-menu { justify-content: center; gap: 12px; }
            .gd6iw-hero { padding-top: 180px; text-align: center; }
            .gd6iw-hero-content { padding-right: 0; margin-bottom: 64px; }
            .gd6iw-section { padding: 64px 24px; }
            .gd6iw-grid-skins { grid-template-columns: 1fr; }
            .gd6iw-ai-feature { margin: 0 12px 64px; border-radius: 24px; padding: 48px 24px; }
            .gd6iw-news-grid { grid-template-columns: 1fr; }
        }