* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

        body {
            background-color: #f2f2f2;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 16px;
            margin: 0;
        }

        .wechat-card {
            background-color: #ffffff;
            width: 100%;
            max-width: 380px;
            border-radius: 24px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            padding: 24px 20px 20px 20px;
            border: 1px solid rgba(0,0,0,0.02);
            transition: all 0.2s ease;
        }

        .group-profile {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
        }

        /* 群头像容器——支持网络图片 */
        .group-avatar {
            width: 56px;
            height: 56px;
            border-radius: 14px;           /* 微信群常用圆角 */
            overflow: hidden;               /* 保证图片裁切圆角 */
            background: #e0e0e0;             /* 加载中的背景色 */
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
        }

        .group-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;               /* 保持比例裁剪 */
            display: block;
        }

        .group-info {
            flex: 1;
        }

        .group-name {
            font-size: 18px;
            font-weight: 600;
            color: #1b1b1b;
            line-height: 1.3;
            margin-bottom: 4px;
            letter-spacing: -0.2px;
        }

        .group-tag {
            display: inline-block;
            background-color: #f0f0f0;
            padding: 4px 10px;
            border-radius: 30px;
            font-size: 12px;
            color: #666;
            font-weight: 500;
        }

        .message-block {
            background-color: #fef7e9;
            border-left: 4px solid #f5a623;
            border-radius: 12px;
            padding: 18px 16px;
            margin-bottom: 28px;
        }

        .main-warning {
            font-size: 18px;
            font-weight: 600;
            color: #c45d00;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-warning span {
            font-size: 22px;
        }

        .sub-text {
            font-size: 15px;
            color: #9b7b5a;
            line-height: 1.4;
        }

        .action-btn {
            display: block;
            width: 100%;
            background-color: #07c160;
            border: none;
            border-radius: 12px;
            padding: 18px 10px;
            color: white;
            font-size: 18px;
            font-weight: 600;
            text-align: center;
            margin: 16px 0 14px 0;
            box-shadow: 0 4px 8px rgba(7, 193, 96, 0.2);
            transition: background-color 0.15s, transform 0.1s;
            cursor: pointer;
            user-select: none;
            letter-spacing: 0.8px;
        }

        .action-btn:active {
            background-color: #06ac54;
            transform: scale(0.98);
            box-shadow: 0 2px 4px rgba(7, 193, 96, 0.2);
        }

        .payment-note {
            text-align: center;
            font-size: 14px;
            color: #e65f5f;
            font-weight: 500;
            background-color: #ffeeee;
            padding: 8px 12px;
            border-radius: 40px;
            display: inline-block;
            margin: 0 auto 8px auto;
            width: auto;
            border: 1px solid #ffcece;
        }

        .extra-hint {
            text-align: center;
            font-size: 13px;
            color: #999;
            margin-top: 12px;
            border-top: 1px dashed #ddd;
            padding-top: 16px;
            line-height: 1.5;
        }

        .extra-hint i {
            font-style: normal;
            background-color: #f0f0f0;
            padding: 2px 8px;
            border-radius: 30px;
            color: #444;
        }

        .group-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            font-size: 13px;
            color: #888;
        }

        .group-meta .badge {
            background-color: #f0f0f0;
            padding: 4px 10px;
            border-radius: 20px;
            color: #444;
        }

        .no-select {
            user-select: none;
        }