/* 小程序版 Web 共享外壳样式 */
*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:#e9edf2;color:#222;}

/* 手机外框（桌面居中，手机铺满） */
.app{max-width:480px;margin:0 auto;height:100vh;height:100dvh;display:flex;flex-direction:column;background:#f5f6f8;position:relative;overflow:hidden;box-shadow:0 0 30px rgba(0,0,0,.08);}

/* 顶部导航栏 */
.navbar{height:48px;background:#1473e6;color:#fff;display:flex;align-items:center;padding:0 6px;flex:none;}
.navbar .back{font-size:26px;width:38px;height:48px;line-height:48px;text-align:center;cursor:pointer;user-select:none;}
.navbar .title{flex:1;text-align:center;font-size:16px;font-weight:600;margin-right:38px;}

/* 内容区 */
.screen{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;background:#f5f6f8;}

/* 底部 tabBar */
.tabbar{display:flex;border-top:1px solid #e5e5e5;background:#fff;flex:none;}
.tabbar .tab{flex:1;text-align:center;padding:6px 0;font-size:11px;color:#888;cursor:pointer;}
.tabbar .tab.active{color:#1473e6;}
.tabbar .tab .ic{font-size:18px;display:block;line-height:1.3;}

/* 通用组件（与原演示一致） */
.card{background:#fff;margin:10px;border-radius:10px;padding:12px;box-shadow:0 1px 2px rgba(0,0,0,.05);}
.muted{color:#888;font-size:12px;}
.btn{display:block;width:calc(100% - 20px);margin:10px;padding:12px;background:#1473e6;color:#fff;border:0;border-radius:8px;font-size:15px;text-align:center;cursor:pointer;}
.btn.red{background:#e23b3b;}
.btn.ghost{background:#fff;color:#1473e6;border:1px solid #1473e6;}
.pill{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;}
.pill.green{background:#e6f7ec;color:#1a9d4b;}
.pill.blue{background:#e8f3ff;color:#1473e6;}
.pill.yellow{background:#fff5e0;color:#c47f00;}
.field{display:flex;justify-content:space-between;padding:10px 12px;border-bottom:1px solid #f0f0f0;font-size:14px;align-items:center;}
.field>span:first-child{flex:none;}
.field input,.field textarea{border:0;text-align:right;outline:none;flex:1;margin-left:10px;font-size:14px;font-family:inherit;resize:none;}
.star{color:#e23b3b;}
.timeline{padding:0 14px;}
.timeline .row{display:flex;gap:10px;padding:8px 0;}
.dot{width:12px;height:12px;border-radius:50%;background:#1473e6;margin-top:4px;flex:none;}
.dot.gray{background:#ccc;}
.prod{display:inline-block;width:calc(50% - 14px);margin:7px;background:#fff;border-radius:8px;overflow:hidden;vertical-align:top;cursor:pointer;}
.prod img{width:100%;height:110px;background:#dfe6ee;display:block;}
.prod .p{padding:8px;font-size:13px;}
.prod .price{color:#e23b3b;font-weight:700;}
.center{text-align:center;padding-top:60px;}
.check{font-size:60px;color:#1a9d4b;}
.hint{background:#fffbe6;color:#c47f00;padding:8px 10px;margin:10px;border-radius:8px;font-size:12.5px;}
.entry{display:flex;align-items:center;padding:12px;background:#fff;margin:8px 10px;border-radius:10px;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.04);}
.entry .ico{font-size:22px;margin-right:10px;}
.entry .t{font-size:15px;}
.entry .s{font-size:12px;color:#888;}
.entry .ar{margin-left:auto;color:#bbb;font-size:18px;}
canvas{background:#fff;border:1px dashed #ccc;width:calc(100% - 20px);height:240px;touch-action:none;display:block;margin:0 10px;}

/* 退出提示 toast & overlay */
.toast{display:none;position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.8);color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;z-index:50;}
.exit-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:60;align-items:center;justify-content:center;}
.exit-box{background:#fff;width:78%;max-width:320px;border-radius:14px;padding:24px 20px;text-align:center;}
.exit-box .check{font-size:54px;}
.exit-box h3{margin:10px 0 6px;}
.exit-box p{color:#888;font-size:13px;margin:0 0 16px;}
.exit-box .btn{margin:8px 0 0;}