@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600&display=swap");

        :root {
            --primary: #6A5ACD;
            --primary-dark: #5A4CBD;
            --primary-light: #8A7AFF;
            --secondary: #FF6B6B;
            --background: #f8f9ff;
            --card-bg: rgba(255, 255, 255, 0.75);
            --card-hover: rgba(255, 255, 255, 0.85);
            --text: #4a4a6a;
            --text-light: #7a7a9a;
            --text-lighter: #a0a0c0;
            --success: #4ECDC4;
            --warning: #FFD166;
            --danger: #FF6B6B;
            --border-radius: 16px;
            --transition: all 0.3s ease;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            --glass-border: 1px solid rgba(255, 255, 255, 0.18);
            --backdrop-blur: blur(12px);
            --version-bg: #ffffff;
            --version-item-bg: #f5f5f7;
            --version-item-hover: #e8e8ed;
            --version-border: rgba(0, 0, 0, 0.08);
        }

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

        body {
            font-family: 'Noto Sans SC', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #e0e7ff, #d8deff, #e0e7ff);
            color: var(--text);
            min-height: 100vh;
            padding: 16px;
            line-height: 1.6;
            overflow-x: hidden;
            background-attachment: fixed;
            position: relative;
        }

        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 10% 20%, rgba(106, 90, 205, 0.08) 0%, transparent 25%),
                radial-gradient(circle at 90% 80%, rgba(255, 107, 107, 0.08) 0%, transparent 25%);
            z-index: -1;
            pointer-events: none;
        }

        .container {
            max-width: 480px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        header {
            text-align: center;
            margin-bottom: 6px;
            padding: 10px 0;
            position: relative;
        }

        h1 {
            font-size: 20px;
            font-weight: 600;
            margin: 0;
            color: var(--primary);
            display: inline-block;
        }

        .subtitle {
            color: var(--text-light);
            font-size: 11px;
            margin: 4px 0 0;
        }

        .download-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .download-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: var(--glass-border);
            backdrop-filter: var(--backdrop-blur);
            text-decoration: none;
            color: var(--text);
        }

        .download-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
            background: var(--card-hover);
        }

        .app-icon {
            width: 38px;
            height: 38px;
            object-fit: contain;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
        }

        .app-info {
            flex-grow: 1;
        }

        .app-name {
            font-weight: 500;
            font-size: 14px;
            margin: 0 0 2px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .tag {
            background: rgba(106, 90, 205, 0.12);
            color: var(--primary);
            padding: 2px 5px;
            border-radius: 4px;
            font-size: 9px;
            font-weight: 500;
        }

        .description {
            font-size: 11px;
            color: var(--text-light);
            margin: 0;
        }

        .download-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 5px 10px;
            border-radius: 6px;
            font-size: 11px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(106, 90, 205, 0.25);
        }

        .download-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .footer {
            text-align: center;
            font-size: 10px;
            color: var(--text-light);
            margin-top: 16px;
            padding-top: 10px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .footer a {
            color: var(--primary);
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        .content-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: white;
            display: flex;
            flex-direction: column;
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.2s ease;
        }

        .content-overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        .content-header {
            background: var(--card-bg);
            padding: 6px 12px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
            z-index: 10;
            min-height: 32px;
            position: relative;
        }
        
        .content-modal-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }

         .close-btn {
            background: none;
            border: none;
            width: 24px;
            height: 24px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 16px;
            transition: var(--transition);
            position: relative;
            color: var(--text-light);
            margin-left: auto;
        }

        .close-btn:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--danger);
        }

        .content-frame {
            flex: 1;
            width: 100%;
            border: none;
            background: white;
        }

        @supports (-webkit-touch-callout: none) {
            .content-overlay {
                -webkit-overflow-scrolling: touch;
            }
        }