:root {
            --idji-primary: #ff6600;
            --idji-primary-soft: #ff8533;
            --idji-bg: #ffffff;
            --idji-text: #1d1d1f;
            --idji-text-muted: #6e6e73;
            --idji-surface: #f5f5f7;
            --idji-border: #d2d2d7;
            --idji-radius: 16px;
            --idji-container: 1400px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--idji-text);
            line-height: 1.6;
            background-color: var(--idji-bg);
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 导航栏 */
        .idji-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 64px;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .idji-nav-container {
            max-width: var(--idji-container);
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .idji-logo {
            flex: 0 0 auto;
            min-width: 0;
            height: 32px;
        }

        .idji-logo img {
            height: 100%;
            display: block;
        }

        .idji-nav-menu {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            min-width: 0;
        }

        .idji-nav-menu li {
            margin-left: 24px;
            min-width: 0;
        }

        .idji-nav-menu a {
            text-decoration: none;
            color: var(--idji-text);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
            white-space: nowrap;
        }

        .idji-nav-menu a:hover {
            color: var(--idji-primary);
        }

        /* Hero 区 - 独特网格布局 */
        .idji-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at top right, #fff5eb 0%, #ffffff 50%);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .idji-hero-inner {
            max-width: var(--idji-container);
            padding: 0 24px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            min-width: 0;
        }

        .idji-hero-content {
            flex: 1 1 500px;
            min-width: 0;
            padding-right: 48px;
        }

        .idji-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
            word-break: keep-all;
        }

        .idji-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--idji-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
            word-break: keep-all;
        }

        .idji-hero-visual {
            flex: 1 1 500px;
            min-width: 0;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* 模拟皮肤展示的视觉元素 */
        .idji-skin-showcase {
            width: 100%;
            height: 400px;
            background: linear-gradient(135deg, var(--idji-primary), #ffb380);
            border-radius: 32px;
            box-shadow: 0 30px 60px rgba(255, 102, 0, 0.2);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            font-weight: bold;
        }

        .idji-skin-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.3);
        }

        /* 分类筛选器 */
        .idji-filter-bar {
            position: sticky;
            top: 64px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            z-index: 900;
            border-bottom: 1px solid var(--idji-border);
            padding: 16px 0;
            margin-bottom: 48px;
        }

        .idji-filter-container {
            max-width: var(--idji-container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .idji-filter-btn {
            padding: 8px 20px;
            border-radius: 100px;
            background: var(--idji-surface);
            color: var(--idji-text);
            text-decoration: none;
            font-size: 14px;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .idji-filter-btn:hover, .idji-filter-btn.active {
            background: var(--idji-primary);
            color: white;
        }

        /* 皮肤网格 */
        .idji-section {
            padding: 64px 0;
            max-width: var(--idji-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .idji-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 32px;
            flex-wrap: wrap;
        }

        .idji-card {
            background: var(--idji-bg);
            border-radius: var(--idji-radius);
            overflow: hidden;
            transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease;
            border: 1px solid rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .idji-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .idji-card-preview {
            aspect-ratio: 16 / 10;
            background: #eee;
            position: relative;
            overflow: hidden;
        }

        .idji-card-preview div {
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, #f3f3f3, #e0e0e0);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #999;
        }

        .idji-card-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .idji-card-tag {
            font-size: 12px;
            color: var(--idji-primary);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .idji-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .idji-card-meta {
            font-size: 14px;
            color: var(--idji-text-muted);
            margin-bottom: 16px;
        }

        .idji-btn-download {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            background: var(--idji-text);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: background 0.3s;
        }

        .idji-btn-download:hover {
            background: var(--idji-primary);
        }

        /* 动态内容区块 */
        .idji-featured-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-bottom: 64px;
        }

        .idji-featured-large {
            flex: 2 1 600px;
            min-width: 0;
            background: #000;
            border-radius: 24px;
            height: 450px;
            position: relative;
            overflow: hidden;
            color: white;
            padding: 48px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }

        .idji-featured-large::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            z-index: 1;
        }

        .idji-featured-content {
            position: relative;
            z-index: 2;
        }

        /* 教程区 */
        .idji-tutorial {
            background-color: var(--idji-surface);
            padding: 96px 0;
        }

        .idji-tutorial-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
            min-width: 0;
        }

        .idji-step {
            flex: 1 1 250px;
            min-width: 0;
            background: white;
            padding: 32px;
            border-radius: var(--idji-radius);
            text-align: center;
        }

        .idji-step-number {
            width: 48px;
            height: 48px;
            background: var(--idji-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 24px;
        }

        /* 页脚 */
        .idji-footer {
            background: #1d1d1f;
            color: #f5f5f7;
            padding: 80px 0 40px;
        }

        .idji-footer-container {
            max-width: var(--idji-container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 0;
        }

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

        .idji-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
            color: #fff;
        }

        .idji-footer-links {
            flex: 2 1 600px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .idji-footer-links h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 16px;
        }

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

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

        .idji-footer-links a {
            color: #a1a1a6;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .idji-footer-bottom {
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid #424245;
            text-align: center;
            font-size: 12px;
            color: #86868b;
        }

        @media (max-width: 768px) {
            .idji-nav-menu {
                display: none; /* 简化移动端显示 */
            }
            .idji-hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .idji-hero-content {
                padding-right: 0;
                margin-bottom: 48px;
            }
            .idji-grid {
                grid-template-columns: 1fr;
            }
        }