/* ================= 千翼优选 前台样式（仿淘宝/京东风） ================= */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font: 14px/1.6 "Microsoft YaHei", "PingFang SC", sans-serif; color: #333; background: #f4f4f4; min-width: 1200px; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: 1200px; margin: 0 auto; }
em { font-style: normal; color: #ff5000; }

/* 顶部条 */
.topbar { background: #f7f7f7; border-bottom: 1px solid #e5e5e5; height: 34px; line-height: 34px; font-size: 12px; color: #666; }
.topbar .right { float: right; }
.topbar a { margin: 0 10px; }
.topbar a:hover { color: #ff5000; }

/* 头部搜索区 */
.header { background: #fff; padding: 22px 0; }
.header .container { display: flex; align-items: center; gap: 40px; }
.logo { font-size: 34px; font-weight: bold; color: #ff5000; letter-spacing: 2px; }
.logo i { display: inline-block; font-size: 13px; background: linear-gradient(90deg,#ff5000,#ff9000); color: #fff; padding: 2px 8px; border-radius: 4px; margin-left: 6px; vertical-align: middle; font-style: normal; }
.search { flex: 1; display: flex; }
.search input { flex: 1; height: 42px; border: 2px solid #ff5000; padding: 0 14px; outline: none; border-radius: 21px 0 0 21px; }
.search button { width: 96px; height: 42px; border: 0; background: linear-gradient(90deg,#ff5000,#ff9000); color: #fff; font-size: 16px; cursor: pointer; border-radius: 0 21px 21px 0; }
.cart-btn { border: 1px solid #ff5000; color: #ff5000; padding: 9px 22px; border-radius: 21px; font-size: 15px; }
.cart-btn:hover { background: #fff5f0; }

/* 分类导航 */
.nav { background: linear-gradient(90deg,#ff5000,#ff7a00); }
.nav ul { display: flex; }
.nav a { display: block; padding: 0 26px; height: 42px; line-height: 42px; color: #fff; font-size: 16px; }
.nav a:hover { background: rgba(0,0,0,.12); }
.nav a.all { background: rgba(0,0,0,.15); font-weight: bold; }

/* 首页 banner */
.banner { margin: 16px 0; }
.banner .container { display: flex; gap: 14px; }
.banner .main { flex: 1; height: 300px; border-radius: 10px; background: linear-gradient(120deg,#ff5000,#ffb13c); color: #fff; display: flex; flex-direction: column; justify-content: center; padding: 0 60px; }
.banner .main h2 { font-size: 40px; margin-bottom: 12px; }
.banner .main p { font-size: 18px; opacity: .9; }
.banner .side { width: 280px; background: #fff; border-radius: 10px; padding: 20px; }
.banner .side h3 { font-size: 16px; margin-bottom: 12px; border-left: 4px solid #ff5000; padding-left: 8px; }
.banner .side li { padding: 6px 0; font-size: 13px; color: #666; border-bottom: 1px dashed #eee; }

/* 商品区块 */
.section { margin: 22px 0; }
.section .sec-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.sec-head h3 { font-size: 22px; }
.sec-head span { color: #999; font-size: 13px; }
.goods-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.goods-card { background: #fff; border-radius: 8px; overflow: hidden; transition: .2s; position: relative; }
.goods-card:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(0,0,0,.1); }
.goods-card img { width: 100%; aspect-ratio: 1; display: block; object-fit: cover; }
.goods-card .g-info { padding: 10px 12px 14px; }
.goods-card .g-title { font-size: 14px; height: 42px; overflow: hidden; margin-bottom: 8px; }
.goods-card .g-price { color: #ff5000; font-size: 20px; font-weight: bold; }
.goods-card .g-price small { font-size: 12px; font-weight: normal; }
.goods-card .g-price del { color: #999; font-size: 12px; font-weight: normal; margin-left: 6px; }
.goods-card .g-sales { color: #999; font-size: 12px; margin-top: 4px; }
.goods-card .tag { position: absolute; top: 8px; left: 8px; background: rgba(255,80,0,.9); color: #fff; font-size: 12px; padding: 2px 8px; border-radius: 3px; }

/* 列表页 */
.filter-bar { background: #fff; padding: 10px 16px; margin: 14px 0; border-radius: 6px; display: flex; gap: 20px; align-items: center; }
.filter-bar a { padding: 3px 12px; border-radius: 3px; }
.filter-bar a.on { background: #ff5000; color: #fff; }
.pagination { display: flex; justify-content: center; gap: 8px; margin: 26px 0; }
.pagination a, .pagination span { padding: 7px 14px; background: #fff; border-radius: 4px; border: 1px solid #ddd; }
.pagination .cur { background: #ff5000; color: #fff; border-color: #ff5000; }

/* 商品详情 */
.crumb { margin: 14px 0; color: #999; font-size: 13px; }
.detail-box { background: #fff; border-radius: 8px; padding: 24px; display: flex; gap: 34px; }
.detail-gallery { width: 420px; flex-shrink: 0; }
.detail-gallery .main-img { width: 420px; height: 420px; border-radius: 8px; object-fit: cover; border: 1px solid #f0f0f0; }
.detail-gallery .thumbs { display: flex; gap: 8px; margin-top: 10px; }
.detail-gallery .thumbs img { width: 64px; height: 64px; border: 2px solid transparent; border-radius: 4px; cursor: pointer; object-fit: cover; }
.detail-gallery .thumbs img.on { border-color: #ff5000; }
.detail-info { flex: 1; }
.detail-info h1 { font-size: 22px; font-weight: normal; margin-bottom: 10px; }
.detail-info .sub { color: #ff5000; font-size: 14px; }
.price-block { background: linear-gradient(90deg,#fff0e8,#fff8f4); padding: 18px 20px; border-radius: 6px; margin: 16px 0; }
.price-block .p { font-size: 30px; color: #ff5000; font-weight: bold; }
.price-block .p small { font-size: 14px; }
.price-block .m { color: #999; font-size: 13px; }
.spec-block { margin: 14px 0; }
.spec-block .spec-name { color: #999; margin-bottom: 8px; }
.spec-opts { display: flex; flex-wrap: wrap; gap: 10px; }
.spec-opts span { border: 1px solid #ddd; padding: 6px 16px; border-radius: 4px; cursor: pointer; }
.spec-opts span.on { border-color: #ff5000; color: #ff5000; background: #fff5f0; }
.qty-row { display: flex; align-items: center; gap: 12px; margin: 18px 0; }
.qty-row input { width: 64px; height: 36px; text-align: center; border: 1px solid #ddd; outline: none; }
.btn-row { display: flex; gap: 14px; margin-top: 22px; }
.btn-buy { padding: 13px 46px; font-size: 17px; border: 1px solid #ff5000; color: #ff5000; background: #fff2ec; border-radius: 26px; cursor: pointer; }
.btn-cart { padding: 13px 46px; font-size: 17px; border: 0; color: #fff; background: linear-gradient(90deg,#ff5000,#ff9000); border-radius: 26px; cursor: pointer; }
.detail-html { background: #fff; border-radius: 8px; padding: 24px; margin-top: 16px; }
.detail-html h3 { border-left: 4px solid #ff5000; padding-left: 10px; margin-bottom: 14px; }
.detail-html img { max-width: 100%; }

/* 表单 */
.form-box { background: #fff; border-radius: 10px; padding: 34px; width: 460px; margin: 40px auto; }
.form-box h2 { text-align: center; margin-bottom: 22px; }
.form-box .field { margin-bottom: 16px; }
.form-box label { display: block; color: #666; margin-bottom: 6px; font-size: 13px; }
.form-box input { width: 100%; height: 42px; border: 1px solid #ddd; border-radius: 6px; padding: 0 12px; outline: none; }
.form-box input:focus { border-color: #ff5000; }
.btn-main { width: 100%; height: 44px; border: 0; border-radius: 22px; background: linear-gradient(90deg,#ff5000,#ff9000); color: #fff; font-size: 16px; cursor: pointer; }
.form-box .links { display: flex; justify-content: space-between; margin-top: 14px; font-size: 13px; color: #666; }
.flash { margin: 12px 0; padding: 10px 16px; border-radius: 6px; }
.flash.ok { background: #f0fff4; color: #27ae60; border: 1px solid #b2f2c8; }
.flash.err { background: #fff0f0; color: #e74c3c; border: 1px solid #ffd0d0; }

/* 购物车 & 订单 */
.table-box { background: #fff; border-radius: 8px; padding: 10px 24px 24px; }
table.tb { width: 100%; border-collapse: collapse; margin-top: 12px; }
table.tb th { text-align: left; color: #999; font-weight: normal; padding: 12px 8px; border-bottom: 1px solid #f0f0f0; font-size: 13px; }
table.tb td { padding: 14px 8px; border-bottom: 1px solid #f7f7f7; vertical-align: middle; }
table.tb img { width: 64px; height: 64px; border-radius: 6px; object-fit: cover; }
.tb-goods { display: flex; align-items: center; gap: 12px; }
.tb-goods .t { width: 320px; font-size: 13px; }
.cart-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; }
.cart-total { font-size: 15px; }
.cart-total b { color: #ff5000; font-size: 24px; }
.status-tag { padding: 2px 10px; border-radius: 12px; font-size: 12px; }
.st0 { background: #fff4e5; color: #ff9000; } .st1 { background: #e8f8f0; color: #27ae60; }
.st2 { background: #e8f1ff; color: #2f7cf6; } .st3 { background: #f0f0f0; color: #666; }
.st4 { background: #fafafa; color: #999; }

/* 支付页 */
.pay-box { background: #fff; border-radius: 10px; padding: 34px; width: 560px; margin: 40px auto; text-align: center; }
.pay-qr { width: 220px; height: 220px; margin: 18px auto; padding: 10px; border: 1px solid #eee; border-radius: 8px; }
.pay-qr canvas { width: 200px; height: 200px; }
.pay-amount { color: #ff5000; font-size: 30px; font-weight: bold; margin: 10px 0; }
.pay-tips { color: #999; font-size: 13px; }
.btn-demo-pay { margin-top: 16px; padding: 9px 30px; border: 1px dashed #ff5000; color: #ff5000; background: #fff; border-radius: 20px; cursor: pointer; }

/* 页脚 */
.footer { background: #2b2b33; color: #999; text-align: center; padding: 30px 0; margin-top: 40px; font-size: 13px; }
.footer .icp { margin-top: 8px; font-size: 12px; }
.footer .icp a { color: #888; text-decoration: none; }
.footer .icp a:hover { color: #fff; text-decoration: underline; }

/* 顶部公告 */
.top-notice { background: #fff8e6; color: #b45f06; border-bottom: 1px solid #ffe4b3; font-size: 13px; height: 32px; line-height: 32px; }

/* banner CTA */
.btn-hero { display: inline-block; padding: 10px 32px; background: #fff; color: #ff5000; border-radius: 24px; font-size: 16px; font-weight: bold; transition: .2s; }
.btn-hero:hover { transform: scale(1.05); box-shadow: 0 6px 18px rgba(0,0,0,.15); }

/* 商品详情富文本参数表 */
.detail-html ul { margin: 10px 0 18px 20px; color: #555; }
.detail-html li { margin: 6px 0; }
.detail-html p { margin: 10px 0 16px; color: #555; line-height: 1.8; }
.detail-html .spec { width: 100%; border-collapse: collapse; margin: 12px 0 20px; }
.detail-html .spec th, .detail-html .spec td { padding: 10px 14px; border: 1px solid #eee; text-align: left; font-size: 13px; }
.detail-html .spec thead { background: #f8f8f8; }
.detail-html .spec th { width: 160px; color: #666; font-weight: normal; }
.detail-html .spec td { color: #333; }