* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f5f7fa; color: #333; line-height: 1.6; }
        .container { max-width: 900px; margin: 30px auto; padding: 0 20px; }
        .page-title { margin-bottom: 25px; color: #2c3e50; font-size: 1.6em; }
        .app-list { display: flex; flex-direction: column; gap: 15px; }

        .app-item {
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            padding: 20px 25px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: box-shadow 0.2s, transform 0.2s;
        }
        .app-item:hover {
            box-shadow: 0 6px 20px rgba(0,0,0,0.12);
            transform: translateY(-2px);
        }

        .app-icon {
            width: 72px;
            height: 72px;
            border-radius: 16px;
            object-fit: cover;
            flex-shrink: 0;
            background: #ecf0f1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2em;
            color: #bdc3c7;
            overflow: hidden;
        }
        .app-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .app-info {
            flex: 1;
            min-width: 0;
        }

        .app-name-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 5px;
            flex-wrap: wrap;
        }

        .app-name {
            font-size: 1.15em;
            font-weight: bold;
            color: #2c3e50;
        }

        .app-version {
            font-size: 0.85em;
            color: #7f8c8d;
            background: #ecf0f1;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .app-status {
            font-size: 0.8em;
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 500;
        }
        .status-internal { background: #fef3c7; color: #92400e; }  /* 内测 */
        .status-beta     { background: #dbeafe; color: #1e40af; }  /* 公测 */
        .status-online   { background: #d1fae5; color: #065f46; }  /* 上架 */
        .status-default  { background: #e5e7eb; color: #374151; }  /* 其他 */

        .app-desc {
            color: #5a6c7d;
            font-size: 0.92em;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .app-download {
            flex-shrink: 0;
        }

        .btn-download {
            display: inline-block;
            padding: 10px 24px;
            background: #e67e22;
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: bold;
            font-size: 0.95em;
            transition: background 0.2s, transform 0.15s;
            white-space: nowrap;
        }
        .btn-download:hover {
            background: #d35400;
            transform: scale(1.05);
        }
        .btn-download:active {
            transform: scale(0.97);
        }

        .empty {
            padding: 60px 40px;
            text-align: center;
            color: #999;
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        @media (max-width: 600px) {
            .app-item { flex-direction: column; align-items: flex-start; }
            .app-download { width: 100%; }
            .btn-download { width: 100%; text-align: center; }
        }

        .page-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 25px;
        }
        .page-header .page-title {
            margin-bottom: 0;   /* 原来 h1 有 margin-bottom，这里清掉 */
        }
        .back-home-arrow {
            font-size: 1.6em;
            color: #2c3e50;
            text-decoration: none;
            padding: 5px 15px;
            border-radius: 6px;
            transition: background 0.2s, transform 0.2s;
        }
        .back-home-arrow:hover {
            background: #e8ebee;
            transform: translateX(5px);   /* 悬停时箭头往右移一点，暗示可点 */
        }