*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
body{font-family:-apple-system,"Microsoft YaHei",sans-serif;background:#f5f6f8;color:#333;font-size:14px;padding-bottom:60px;max-width:750px;margin:0 auto;}
a{text-decoration:none;color:inherit;}
img{display:block;max-width:100%;}
.container{padding:12px;}
.card{background:#fff;border-radius:10px;padding:16px;margin-bottom:12px;box-shadow:0 1px 3px rgba(0,0,0,.04);}
.btn{display:inline-block;padding:10px 20px;background:#1890ff;color:#fff;border:none;border-radius:22px;font-size:14px;cursor:pointer;text-align:center;}
.btn:active{opacity:.85;}
.btn-block{display:block;width:100%;}
.btn-default{background:#fff;color:#666;border:1px solid #d9d9d9;}
.btn-danger{background:#ff4d4f;}
.btn-sm{padding:5px 12px;font-size:12px;border-radius:14px;}
.btn-disabled{background:#ccc;cursor:not-allowed;}
.row{display:flex;align-items:center;}
.row-between{display:flex;justify-content:space-between;align-items:center;}
.gap{gap:10px;}
.mt-8{margin-top:8px;}.mt-12{margin-top:12px;}.mt-16{margin-top:16px;}
.text-right{text-align:right;}
.text-gray{color:#999;}
.text-red{color:#ff4d4f;}
.text-blue{color:#1890ff;}
.text-green{color:#52c41a;}
.text-sm{font-size:12px;}.text-lg{font-size:16px;}.text-xl{font-size:20px;}
.bold{font-weight:600;}
.form-item{margin-bottom:14px;}
.form-item label{display:block;font-size:13px;color:#666;margin-bottom:6px;}
.form-item input,.form-item select,.form-item textarea{width:100%;padding:10px 12px;border:1px solid #e5e5e5;border-radius:8px;font-size:14px;font-family:inherit;outline:none;background:#fafafa;}
.form-item input:focus,.form-item textarea:focus{border-color:#1890ff;background:#fff;}
.form-item textarea{min-height:70px;resize:vertical;}

/* 顶部导航 */
.navbar{position:sticky;top:0;height:48px;background:#fff;display:flex;align-items:center;padding:0 12px;border-bottom:1px solid #f0f0f0;z-index:10;}
.navbar .back{font-size:22px;color:#333;width:36px;}
.navbar .title{flex:1;text-align:center;font-size:16px;font-weight:600;}
.navbar .right{width:36px;text-align:right;font-size:13px;color:#1890ff;}

/* 底部Tab */
.tabbar{position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;border-top:1px solid #f0f0f0;display:flex;max-width:750px;margin:0 auto;z-index:20;}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:#999;gap:2px;}
.tabbar a.active{color:#1890ff;}
.tabbar .ico{font-size:20px;}

/* 商品卡片 */
.goods-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.goods-item{background:#fff;border-radius:10px;overflow:hidden;}
.goods-item .img{height:170px;background:#f0f0f0;display:flex;align-items:center;justify-content:center;color:#ccc;font-size:12px;}
.goods-item .img img{width:100%;height:100%;object-fit:cover;}
.goods-item .info{padding:8px 10px 12px;}
.goods-item .name{font-size:13px;line-height:1.4;height:38px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.goods-item .price{color:#ff4d4f;font-weight:600;font-size:15px;margin-top:6px;}
.goods-item .pv{font-size:11px;color:#999;margin-top:2px;}

/* 列表 */
.list-item{background:#fff;border-radius:10px;padding:14px;margin-bottom:10px;}
.list-item .hd{display:flex;justify-content:space-between;margin-bottom:6px;font-size:13px;color:#666;}
.list-item .body{font-size:14px;}
.list-item .ft{margin-top:8px;padding-top:8px;border-top:1px dashed #f0f0f0;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#666;}

/* 空状态 */
.empty{text-align:center;padding:80px 20px;color:#999;font-size:13px;}
.empty .ico{font-size:48px;margin-bottom:12px;color:#ddd;}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:flex-end;z-index:100;}
.modal-mask.show{display:flex;}
.modal{background:#fff;width:100%;max-height:85vh;overflow:auto;border-radius:16px 16px 0 0;padding:20px;max-width:750px;margin:0 auto;}
.modal h3{font-size:16px;margin-bottom:16px;text-align:center;}

/* 标签 */
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;background:#e6f7ff;color:#1890ff;}
.tag-green{background:#f6ffed;color:#52c41a;}
.tag-red{background:#fff1f0;color:#ff4d4f;}
.tag-gray{background:#f5f5f5;color:#999;}
.tag-orange{background:#fff7e6;color:#fa8c16;}

/* 加载 */
.loading{text-align:center;padding:20px;color:#999;font-size:13px;}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid #1890ff;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle;margin-right:6px;}
@keyframes spin{to{transform:rotate(360deg);}}