* {
            box-sizing: border-box;
        }
        html, body {
            height: 100%;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
            position: relative;
        }

        .mobile-wrap {
            position: relative;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            margin: 0 auto;
            max-width: 414px;
            box-shadow: 0 0 50px rgba(0, 0, 0, 0.1);
        }

        main {
            padding: 40px 24px 100px;
        }

        .app-header {
            background: #f8f9fa;
            padding: 24px;
            margin: -40px -24px 24px;
            border-bottom: 1px solid #e9ecef;
        }

        .appItem {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .appItem .left {
            width: 80px;
            height: 80px;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            flex-shrink: 0;
        }

        .appItem .left img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .appItem .right {
            flex: 1;
            min-width: 0;
            height: 80px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .app-title {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .app-name {
            font-size: 20px;
            font-weight: 700;
            color: #2c3e50;
            margin: 0;
        }

        .app-version {
            background: #007bff;
            color: white;
            padding: 2px 6px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
        }

        .app-stats {
            display: flex;
            flex-direction: column;
        }

        .stats-container {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .download-stats {
            font-size: 14px;
            color: #666;
            font-weight: 500;
            margin-bottom: 10px;
        }

        .app-category {
            font-size: 14px;
            color: #666;
            font-weight: 500;
        }

        .download-section {
            position: fixed;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 414px;
            background: white;
            padding: 12px 16px 20px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
            border-top: 1px solid #e9ecef;
            z-index: 1000;
        }

        .download-btn {
            width: 100%;
            background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
            color: white;
            padding: 16px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            display: block;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .download-btn:hover,
        .download-btn:active {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
        }

        .content-section {
            background: white;
            border-radius: 20px;
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .section-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #2c3e50;
            position: relative;
            padding-left: 16px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 2px;
        }

        .comment {
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

        .comment .left {
            text-align: center;
            min-width: 80px;
        }

        .comment .left b {
            font-size: 48px;
            font-weight: 800;
            color: #667eea;
            line-height: 1;
            display: block;
        }

        .comment .left p {
            font-size: 14px;
            color: #7f8c8d;
            margin-top: 4px;
        }

        .comment .right {
            flex: 1;
        }

        .star_row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .star_row span {
            width: 60px;
            display: flex;
            justify-content: flex-end;
        }

        .star_row span i {
            height: 12px;
            background: url("../image/star.png") repeat-x;
            background-size: 12px 12px;
            display: block;
        }

        .star_row span.s1 i {
            width: 60px;
        }

        .star_row span.s2 i {
            width: 48px;
        }

        .star_row span.s3 i {
            width: 36px;
        }

        .star_row span.s4 i {
            width: 24px;
        }

        .star_row span.s5 i {
            width: 12px;
        }

        .lineBox {
            flex: 1;
            height: 4px;
            background: #ecf0f1;
            border-radius: 2px;
            overflow: hidden;
        }

        .lineBox var {
            height: 100%;
            background: linear-gradient(90deg, #667eea, #764ba2);
            border-radius: 2px;
            display: block;
            transition: width 0.3s ease;
        }

        .lineBox var.v1 {
            width: 90%;
        }

        .lineBox var.v2 {
            width: 10%;
        }

        .lineBox var.v3 {
            width: 4%;
        }

        .lineBox var.v4 {
            width: 2%;
        }

        .lineBox var.v5 {
            width: 1%;
        }

        .comment .right>p {
            font-size: 14px;
            color: #7f8c8d;
            text-align: right;
            margin-top: 12px;
        }

        .appInfo .box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .appInfo .box ul li {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid #ecf0f1;
            gap: 16px;
        }

        .appInfo .box ul li:last-child {
            border-bottom: none;
        }

        .appInfo .box ul li span {
            font-size: 14px;
            color: #7f8c8d;
            font-weight: 500;
            min-width: 80px;
        }

        .appInfo .box ul li p {
            font-size: 14px;
            color: #2c3e50;
            text-align: right;
            margin: 0;
            flex: 1;
            line-height: 1.5;
        }

        .wechat-ios,
        .wechat-android {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 9999;
            display: none;
            overflow: hidden;
        }

        .wechat-ios img,
        .wechat-android img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .wechat-mask .mask-bg {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(5px);
        }

        .wechat-mask .mask-pop {
            position: fixed;
            top: 50%;
            left: 50%;
            width: 90%;
            max-width: 320px;
            transform: translate(-50%, -50%);
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .wechat-mask .copy-url-img {
            display: block;
            width: 100%;
        }

        .wechat-mask .copy-url {
            position: relative;
            margin: 20px;
            height: 48px;
            line-height: 48px;
            background: #f8f9fa;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid #e9ecef;
        }

        .wechat-mask .copy-url input {
            width: calc(100% - 80px);
            height: 100%;
            border: none;
            background: transparent;
            padding: 0 20px;
            font-size: 14px;
            color: #6c757d;
            outline: none;
        }

        .wechat-mask .copy-url button {
            position: absolute;
            right: 4px;
            top: 4px;
            width: 72px;
            height: 40px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .wechat-mask .copy-url button:hover {
            transform: scale(1.05);
        }

        .wechat-mask {
            z-index: 10000;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }

        .pupPic {
            position: fixed;
            z-index: 9998;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: none;
            background: rgba(0, 0, 0, 0.9);
        }

        .pupPic img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        @media (max-width: 375px) {
            .mobile-wrap {
                max-width: 100%;
            }

            main {
                padding: 32px 16px 100px;
            }

            .app-header {
                padding: 20px 16px;
                margin: -32px -16px 20px;
            }

            .content-section {
                padding: 20px 16px;
                margin-bottom: 16px;
            }

            .appItem .left {
                width: 70px;
                height: 70px;
            }

            .appItem .right {
                height: 70px;
            }

            .app-name {
                font-size: 18px;
            }

            .download-section {
                padding: 12px 16px 20px;
                max-width: 100%;
            }

            .download-btn {
                padding: 14px;
                font-size: 15px;
            }
        }

        /* 电脑端：让 .mobile-wrap 绝对定位到屏幕正中 */
        @media (min-width: 768px) {
            .mobile-wrap {
                position: absolute;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
            }
        }