/* ========== 全局 ========== */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#f5f6fa;color:#333;font-size:14px;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px;outline:none}
.app{max-width:480px;margin:0 auto;min-height:100vh;background:#f5f6fa;padding-bottom:60px;position:relative}

/* ========== 顶部栏 ========== */
.top-bar{position:sticky;top:0;z-index:100;background:linear-gradient(135deg,#ff6b35,#ff8c42);color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px rgba(255,107,53,.3)}
.top-bar .logo{font-size:18px;font-weight:bold;color:#fff}
.top-nav{display:flex;gap:10px;font-size:13px}
.top-nav a{color:rgba(255,255,255,.85);padding:4px 8px;border-radius:12px}
.top-nav a.active,.top-nav a:hover{background:rgba(255,255,255,.25);color:#fff}

/* ========== 内容区 ========== */
.content{padding:12px}

/* ========== 底部Tab ========== */
.tab-bar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;display:flex;border-top:1px solid #eee;z-index:100}
.tab-bar a{flex:1;text-align:center;padding:8px 0;color:#999;font-size:11px}
.tab-bar a span{font-size:20px;display:block;line-height:1.2}
.tab-bar a em{font-style:normal}
.tab-bar a.active{color:#ff6b35}

/* ========== 卡片 ========== */
.card{background:#fff;border-radius:12px;padding:14px;margin-bottom:12px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.card-title{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}
.card-title .more{font-size:12px;color:#999;font-weight:normal}

/* ========== 轮播图 ========== */
.banner{border-radius:12px;overflow:hidden;margin-bottom:12px;background:#fff;aspect-ratio:21/9;display:flex;align-items:center;justify-content:center;color:#ccc;font-size:13px;background:linear-gradient(135deg,#ffe0d0,#fff)}
.banner img{width:100%;height:100%;object-fit:cover}

/* ========== 金刚区 ========== */
.quick-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;background:#fff;border-radius:12px;padding:14px 8px;margin-bottom:12px}
.quick-nav a{text-align:center;font-size:12px;color:#666}
.quick-nav .qicon{font-size:28px;display:block;margin-bottom:4px}

/* ========== 商品网格 ========== */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.product-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.product-card .pimg{width:100%;aspect-ratio:1;background:#f5f5f5;display:flex;align-items:center;justify-content:center;color:#ccc;font-size:12px;overflow:hidden}
.product-card .pimg img{width:100%;height:100%;object-fit:cover}
.product-card .pinfo{padding:8px 10px}
.product-card .pname{font-size:13px;line-height:1.3;height:34px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.product-card .pprice{color:#ff4d2d;font-size:16px;font-weight:bold;margin-top:6px}
.product-card .pprice small{font-size:11px;font-weight:normal}
.product-card .psales{color:#999;font-size:11px;margin-top:2px}
.product-card .activation-tag{display:inline-block;background:#ff6b35;color:#fff;font-size:10px;padding:1px 5px;border-radius:3px;margin-left:4px;vertical-align:middle}

/* ========== 按钮 ========== */
.btn{display:inline-block;padding:10px 20px;border-radius:20px;background:#ff6b35;color:#fff;text-align:center;font-size:14px;border:none}
.btn-block{display:block;width:100%}
.btn-outline{background:#fff;color:#ff6b35;border:1px solid #ff6b35}
.btn-gray{background:#f0f0f0;color:#666}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-lg{padding:14px;font-size:16px;border-radius:25px}
.btn:disabled{background:#ccc}

/* ========== 表单 ========== */
.form-group{margin-bottom:14px}
.form-group label{display:block;margin-bottom:6px;font-size:13px;color:#555}
.form-control{width:100%;padding:11px 12px;border:1px solid #e0e0e0;border-radius:8px;background:#fff}
.form-control:focus{border-color:#ff6b35}
textarea.form-control{min-height:80px;resize:vertical}
.form-row{display:flex;gap:10px}
.form-row .form-group{flex:1}

/* ========== 列表项 ========== */
.list-item{display:flex;align-items:center;padding:12px;background:#fff;border-radius:10px;margin-bottom:8px}
.list-item .li-icon{font-size:22px;margin-right:12px}
.list-item .li-main{flex:1;min-width:0}
.list-item .li-title{font-size:14px}
.list-item .li-sub{font-size:12px;color:#999;margin-top:2px}
.list-item .li-arrow{color:#ccc}

/* ========== 个人中心 ========== */
.user-header{background:linear-gradient(135deg,#ff6b35,#ff8c42);color:#fff;padding:20px 16px;border-radius:0 0 20px 20px;margin:-12px -12px 12px;display:flex;align-items:center;gap:14px}
.user-header .avatar{width:60px;height:60px;border-radius:50%;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.user-header .avatar img{width:100%;height:100%;object-fit:cover}
.user-header .uname{font-size:18px;font-weight:bold}
.user-header .ulv{font-size:12px;background:rgba(255,255,255,.25);padding:2px 8px;border-radius:10px;display:inline-block;margin-top:4px}
.user-header .uinfo{font-size:12px;opacity:.9;margin-top:4px}

.user-stats{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:12px;padding:14px 0;margin-bottom:12px;text-align:center}
.user-stats .stat-item{border-right:1px solid #f0f0f0}
.user-stats .stat-item:last-child{border-right:none}
.user-stats .stat-num{font-size:18px;font-weight:bold;color:#ff6b35}
.user-stats .stat-label{font-size:12px;color:#999;margin-top:2px}

/* ========== 空状态 ========== */
.empty{text-align:center;padding:40px 20px;color:#bbb}
.empty .eicon{font-size:50px;display:block;margin-bottom:10px}

/* ========== 标签/徽章 ========== */
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px}
.tag-success{background:#e6f9ed;color:#07c160}
.tag-warning{background:#fff7e6;color:#fa8c16}
.tag-danger{background:#ffeded;color:#ff4d4f}
.tag-info{background:#e6f4ff;color:#1677ff}
.tag-gray{background:#f0f0f0;color:#999}

/* ========== 金额高亮 ========== */
.price{color:#ff4d2d;font-weight:bold}
.big-price{font-size:28px;color:#ff4d2d;font-weight:bold}

/* ========== 登录注册 ========== */
.auth-page{min-height:100vh;background:linear-gradient(135deg,#ff6b35,#ff8c42);padding:40px 24px;max-width:480px;margin:0 auto}
.auth-logo{text-align:center;color:#fff;margin-bottom:30px}
.auth-logo h1{font-size:28px}
.auth-logo p{opacity:.9;margin-top:8px}
.auth-card{background:#fff;border-radius:16px;padding:24px;box-shadow:0 10px 40px rgba(0,0,0,.15)}
.auth-tabs{display:flex;margin-bottom:20px;border-bottom:2px solid #f0f0f0}
.auth-tabs a{flex:1;text-align:center;padding:10px;font-size:16px;color:#999}
.auth-tabs a.active{color:#ff6b35;border-bottom:2px solid #ff6b35;margin-bottom:-2px;font-weight:bold}

/* ========== 推广页 ========== */
.promo-card{background:linear-gradient(135deg,#ff6b35,#ff8c42);color:#fff;border-radius:14px;padding:20px;text-align:center;margin-bottom:12px}
.promo-card .code{font-size:28px;font-weight:bold;letter-spacing:4px;background:rgba(255,255,255,.2);padding:10px;border-radius:8px;margin:12px 0;letter-spacing:6px}
.promo-link{background:#fff;color:#ff6b35;padding:10px;border-radius:8px;font-size:12px;word-break:break-all;text-align:left;margin-top:10px}

/* ========== 抽奖 ========== */
.lottery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}
.lottery-cell{background:#fff;border-radius:10px;padding:14px 8px;text-align:center;border:2px solid #eee;font-size:12px;color:#666}
.lottery-cell.active{border-color:#ff6b35;background:#fff5f0}
.lottery-cell .lticon{font-size:28px;display:block;margin-bottom:4px}
.lottery-btn{width:100%;padding:16px;font-size:18px;font-weight:bold;background:linear-gradient(135deg,#ff6b35,#ff4d2d);color:#fff;border-radius:30px;box-shadow:0 4px 15px rgba(255,77,45,.4)}

/* ========== 聊天 ========== */
.chat-layout{display:flex;flex-direction:column;height:calc(100vh - 120px);max-width:480px;margin:0 auto}
.chat-msgs{flex:1;overflow-y:auto;padding:12px}
.chat-msg{margin-bottom:14px;display:flex}
.chat-msg.self{flex-direction:row-reverse}
.chat-msg .cavatar{width:38px;height:38px;border-radius:50%;background:#ddd;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:18px;margin:0 8px}
.chat-msg .cbubble{max-width:70%;background:#fff;padding:9px 13px;border-radius:12px;font-size:14px;word-break:break-word}
.chat-msg.self .cbubble{background:#ff6b35;color:#fff}
.chat-msg .cmeta{font-size:11px;color:#aaa;margin-top:3px}
.chat-input-bar{display:flex;gap:8px;padding:10px;background:#fff;border-top:1px solid #eee}
.chat-input-bar input{flex:1;padding:10px 14px;border:1px solid #e0e0e0;border-radius:20px}
.chat-session-item{display:flex;align-items:center;padding:12px;background:#fff;border-radius:10px;margin-bottom:8px}
.chat-session-item .csavatar{width:46px;height:46px;border-radius:50%;background:#ff8c42;color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;margin-right:12px}

/* ========== 商品详情 ========== */
.detail-gallery{background:#fff;aspect-ratio:1;display:flex;align-items:center;justify-content:center;color:#ccc;margin:-12px -12px 12px}
.detail-gallery img{width:100%;height:100%;object-fit:cover}
.detail-price{background:#fff;padding:14px;border-radius:12px;margin-bottom:12px}
.detail-price .p{font-size:26px;color:#ff4d2d;font-weight:bold}
.detail-price .mp{color:#999;text-decoration:line-through;margin-left:10px;font-size:13px}
.detail-name{font-size:17px;font-weight:600;line-height:1.4}
.detail-section{background:#fff;border-radius:12px;padding:14px;margin-bottom:12px}
.detail-section h3{font-size:15px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid #f0f0f0}
.detail-bottom-bar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;display:flex;padding:8px 12px;gap:10px;align-items:center;border-top:1px solid #eee;z-index:99}
.detail-bottom-bar .dicon{flex:1;text-align:center;font-size:11px;color:#666}
.detail-bottom-bar .dicon span{font-size:20px;display:block}
.detail-bottom-bar .btn{flex:1;padding:12px}

/* ========== 订单 ========== */
.order-card{background:#fff;border-radius:10px;padding:12px;margin-bottom:10px}
.order-card .order-hd{display:flex;justify-content:space-between;font-size:12px;color:#999;margin-bottom:8px}
.order-card .order-body{display:flex;gap:10px}
.order-card .order-img{width:70px;height:70px;background:#f5f5f5;border-radius:6px;overflow:hidden}
.order-card .order-info{flex:1}
.order-card .order-name{font-size:13px;line-height:1.3}
.order-card .order-ft{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:8px;border-top:1px solid #f5f5f5}

/* ========== 提示 ========== */
.alert{padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:13px}
.alert-success{background:#e6f9ed;color:#07c160}
.alert-danger{background:#ffeded;color:#ff4d4f}
.alert-info{background:#e6f4ff;color:#1677ff}
.alert-warning{background:#fff7e6;color:#fa8c16}

/* ========== 商家列表 ========== */
.merchant-card{background:#fff;border-radius:10px;padding:12px;margin-bottom:10px;display:flex;gap:12px}
.merchant-card .mlogo{width:60px;height:60px;border-radius:8px;background:#f0f0f0;overflow:hidden;flex-shrink:0}
.merchant-card .minfo{flex:1;min-width:0}
.merchant-card .mname{font-size:15px;font-weight:600}
.merchant-card .maddr{font-size:12px;color:#999;margin-top:4px}

/* ========== 核销码 ========== */
.verify-code-box{text-align:center;padding:30px 20px;background:linear-gradient(135deg,#07c160,#06ad56);color:#fff;border-radius:14px;margin-bottom:12px}
.verify-code-box .vcode{font-size:36px;font-weight:bold;letter-spacing:8px;background:rgba(255,255,255,.2);padding:14px;border-radius:10px;margin:14px 0}

/* ========== 滚动选择 ========== */
.filter-bar{display:flex;gap:8px;margin-bottom:12px;overflow-x:auto;padding-bottom:4px}
.filter-bar a{padding:6px 14px;background:#fff;border-radius:16px;font-size:13px;white-space:nowrap;color:#666}
.filter-bar a.active{background:#ff6b35;color:#fff}

/* 商品图占位（无图时渐变+emoji） */
.ph-ph{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:10px;box-sizing:border-box;position:relative;overflow:hidden}
.ph-ph .ph-emoji{font-size:42px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.15))}
.ph-ph .ph-name{color:#fff;font-size:12px;text-align:center;line-height:1.3;opacity:.95;max-width:90%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 2px rgba(0,0,0,.2)}
.product-card .pimg .ph-ph{aspect-ratio:1;width:100%;height:100%}
.product-detail-hero .ph-ph{width:100%;height:280px}
.product-detail-hero .ph-ph .ph-emoji{font-size:72px}
.product-detail-hero .ph-ph .ph-name{font-size:16px;max-width:70%;-webkit-line-clamp:3}