/* ============================================================
   尤客斯商城 — 3C 数码零售主题（V2 重设计）
   ============================================================ */
:root {
  --primary: #ff6a00;
  --primary-dark: #e85d00;
  --primary-grad: linear-gradient(135deg, #ff8a00, #ff5500);
  --price: #ff5000;
  --ink: #1e2430;
  --text: #333;
  --text-sub: #9098a3;
  --border: #e8eaee;
  --bg: #f4f5f7;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(30, 36, 48, .06);
  --shadow-lift: 0 10px 28px rgba(30, 36, 48, .14);
  --footer-bg: #23272f;
  --footer-deep: #1c1f26;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font: 14px/1.65 "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--text); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary); }
img { border: 0; vertical-align: middle; }
ul, li { list-style: none; }
.wrapper { width: 1400px; max-width: calc(100% - 24px); margin: 0 auto; }
.clearfix::after { content: ""; display: table; clear: both; }
em, i { font-style: normal; }
button { font-family: inherit; cursor: pointer; }

/* ---------- 顶部工具条 ---------- */
.topbar { background: var(--ink); color: #aeb4bf; font-size: 12px; }
.topbar .wrapper { display: flex; justify-content: space-between; height: 34px; align-items: center; }
.topbar a { color: #c6ccd6; margin: 0 3px; }
.topbar a:hover { color: #ffb27a; }
.topbar-left a.login-link { color: var(--primary); font-weight: bold; }
.topbar-right { display: flex; }
.topbar-right li { position: relative; padding: 0 12px; border-right: 1px solid #3a414d; }
.topbar-right li:last-child { border-right: 0; }

/* ---------- 页头 ---------- */
.header { background: #fff; padding: 20px 0 18px; }
.header .wrapper { display: flex; align-items: flex-start; }
.logo { width: 230px; flex-shrink: 0; height: 44px; display: flex; align-items: center; }
.logo img { max-height: 44px; width: auto; display: block; }
.search-box { flex: 1; margin: 0 40px; }
.search-form { display: flex; height: 44px; border: 2px solid var(--primary); border-radius: var(--radius); overflow: hidden; background: #fff; }
.search-form select { width: 108px; border: 0; border-right: 1px solid var(--border); padding: 0 10px; color: #555; outline: none; background: #fafbfc; }
.search-form input { flex: 1; border: 0; outline: none; padding: 0 16px; font-size: 14px; }
.search-form button { width: 104px; border: 0; background: var(--primary-grad); color: #fff; font-size: 16px; letter-spacing: 4px; transition: filter .2s; }
.search-form button:hover { filter: brightness(1.06); }
.search-hot { margin-top: 8px; font-size: 12px; color: var(--text-sub); }
.search-hot a { color: var(--text-sub); margin-right: 12px; }
.search-hot a:hover { color: var(--primary); }
.header-cart { flex-shrink: 0; }
.header-cart a { position: relative; display: flex; align-items: center; gap: 8px; height: 44px; padding: 0 22px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; font-size: 14px; color: var(--ink); transition: all .2s; }
.header-cart a:hover { border-color: var(--primary); color: var(--primary); }
.cart-icon { display: inline-block; width: 20px; height: 18px; background: var(--primary); -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 22'><path d='M1 1h4l1 3h17l-3 9H7L4 5 3 3H1zM8 21a2 2 0 1 0 0-4 2 2 0 0 0 0 4zm10 0a2 2 0 1 0 0-4 2 2 0 0 0 0 4z'/></svg>") no-repeat center / contain; mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 22'><path d='M1 1h4l1 3h17l-3 9H7L4 5 3 3H1zM8 21a2 2 0 1 0 0-4 2 2 0 0 0 0 4zm10 0a2 2 0 1 0 0-4 2 2 0 0 0 0 4z'/></svg>") no-repeat center / contain; }
.header-cart em { position: absolute; top: -8px; left: 14px; min-width: 18px; height: 18px; line-height: 18px; padding: 0 4px; border-radius: 9px; background: var(--price); color: #fff; font-size: 11px; text-align: center; }

/* ---------- 主导航 ---------- */
.mainnav { background: #fff; border-bottom: 2px solid var(--primary); position: relative; z-index: 90; }
.mainnav .wrapper { display: flex; align-items: stretch; height: 44px; }
.allcat { position: relative; width: 200px; flex-shrink: 0; }
.allcat-title { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; background: var(--primary-grad); color: #fff; font-size: 15px; font-weight: bold; letter-spacing: 1px; cursor: pointer; border-radius: var(--radius) var(--radius) 0 0; }
.allcat-panel { display: none; position: absolute; top: 44px; left: 0; width: 1400px; max-width: calc(100vw - 24px); min-height: 460px; background: #fff; border: 1px solid var(--border); border-top: 0; box-shadow: var(--shadow-lift); z-index: 99; display: none; }
.allcat:hover .allcat-panel { display: flex; }
.allcat-left { width: 220px; flex-shrink: 0; background: #fff; border-right: 1px solid var(--border); padding: 8px 0; overflow-y: auto; }
.allcat-item { display: flex; align-items: center; height: 42px; padding: 0 14px; font-size: 14px; color: var(--ink); white-space: nowrap; cursor: pointer; }
.allcat-item:hover, .allcat-item.on { background: #fff7f1; color: var(--primary); font-weight: bold; }
.allcat-item .arrow { margin-left: auto; color: #c0c4cc; font-size: 18px; }
.allcat-item.on .arrow, .allcat-item:hover .arrow { color: var(--primary); }
.allcat-right { flex: 1; padding: 22px 26px; overflow-y: auto; max-height: 460px; }
.allcat-tip { color: #b6bcc7; font-size: 13px; }
.allcat-cols { display: flex; flex-wrap: wrap; gap: 0 34px; align-content: flex-start; }
.allcat-col { width: 200px; margin-bottom: 18px; }
.allcat-col .col-head { display: block; font-size: 14px; font-weight: bold; color: var(--ink); padding: 4px 0 8px; border-bottom: 1px dashed var(--border); margin-bottom: 8px; white-space: nowrap; }
.allcat-col .col-head:hover { color: var(--primary); }
.allcat-col .col-sub { display: block; font-size: 13px; color: #666; padding: 3px 0 3px 10px; white-space: nowrap; }
.allcat-col .col-sub:hover { color: var(--primary); }
.allcat-col .col-sub::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); margin-right: 6px; vertical-align: 2px; }
.cat-ico { display: inline-block; width: 16px; height: 16px; margin-right: 9px; border-radius: 4px; background: var(--primary); opacity: .85; }
.c101 { background: #4a7dff; } .c102 { background: #ff6a00; } .c103 { background: #9b59f0; }
.c104 { background: #12b7a6; } .c105 { background: #f0475c; } .c106 { background: #2fa855; }
.c107 { background: #e8a800; } .c108 { background: #3a71e8; } .c109 { background: #ff5ea0; }
.c110 { background: #7a8794; }
.nav-list { display: flex; margin-left: 16px; }
.nav-list li { white-space: nowrap; }
.nav-list a { display: flex; align-items: center; height: 44px; padding: 0 17px; font-size: 15px; color: var(--ink); position: relative; }
.nav-list a:hover, .nav-list a.active { color: var(--primary); font-weight: bold; }
.nav-list a.active::after { content: ""; position: absolute; left: 17px; right: 17px; bottom: 6px; height: 2px; background: var(--primary); }

/* ---------- 轮播 ---------- */
.banner { position: relative; width: 1400px; max-width: calc(100% - 24px); margin: 0 auto; border-radius: 0 0 var(--radius) var(--radius); overflow: hidden; }
.banner-slides { position: relative; height: 400px; }
.banner-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease; }
.banner-slide.on { opacity: 1; }
.banner-slide a { display: block; width: 100%; height: 100%; background-size: cover; background-position: center; }
.banner-dots { position: absolute; bottom: 14px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 5; }
.banner-dots span { width: 10px; height: 10px; border-radius: 6px; background: rgba(255,255,255,.5); cursor: pointer; transition: all .3s; }
.banner-dots span.on { width: 26px; background: #fff; }

/* ---------- 服务保障条 ---------- */
.service-strip { background: #fff; margin: 0; }
.service-strip .wrapper { display: flex; padding: 16px 0; gap: 10px; }
.s-item { flex: 1; display: flex; align-items: center; gap: 12px; padding-left: 24px; }
.s-item b { display: block; font-size: 15px; color: var(--ink); }
.s-item p { font-size: 12px; color: var(--text-sub); }
.s-ico { width: 40px; height: 40px; border-radius: 50%; background: #fff3e9; position: relative; flex-shrink: 0; }
.s-ico::after { content: ""; position: absolute; inset: 10px; background: var(--primary); border-radius: 50%; }
.s-ico.s2::after, .s-ico.s3::after, .s-ico.s4::after { border-radius: 50% 50% 50% 4px; }

/* ---------- 通用楼层 ---------- */
.section { margin-top: 34px; background: #fff; border-radius: var(--radius); padding: 24px 24px 28px; box-shadow: var(--shadow); }
.sec-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.sec-title { font-size: 24px; font-weight: bold; color: var(--ink); position: relative; padding-left: 14px; }
.sec-title::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 2px; background: var(--primary-grad); }
.sec-more { color: var(--text-sub); font-size: 13px; }
.sec-more:hover { color: var(--primary); }
.prod-tabs { display: flex; gap: 6px; }
.prod-tabs a { padding: 5px 16px; border-radius: 16px; font-size: 14px; color: #555; cursor: pointer; transition: all .25s; }
.prod-tabs a:hover { color: var(--primary); }
.prod-tabs a.on { background: var(--primary-grad); color: #fff; font-weight: bold; box-shadow: 0 4px 10px rgba(255,106,0,.3); }

/* ---------- 商品卡片 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; transition: opacity .25s; }
.prod-grid.loading { opacity: .35; pointer-events: none; }
.prod-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease, border-color .25s; position: relative; }
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); border-color: transparent; }
.prod-img { display: block; position: relative; padding-top: 100%; overflow: hidden; background: #f7f8fa; }
.prod-img img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.prod-card:hover .prod-img img { transform: scale(1.06); }
.prod-info { padding: 10px 12px 12px; }
.prod-name { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; height: 40px; line-height: 20px; font-size: 13px; color: var(--ink); }
.prod-name:hover { color: var(--primary); }
.prod-sub { margin-top: 4px; font-size: 12px; color: var(--text-sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prod-price { margin-top: 6px; display: flex; align-items: baseline; gap: 8px; }
.prod-price strong { color: var(--price); font-size: 18px; font-weight: 700; }
.prod-price del { color: #c0c4cc; font-size: 12px; }
.prod-meta { margin-top: 8px; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-sub); }
.prod-meta .m-cart a { display: inline-block; padding: 3px 10px; border: 1px solid var(--primary); color: var(--primary); border-radius: 14px; font-size: 12px; transition: all .2s; }
.prod-meta .m-cart a:hover { background: var(--primary); color: #fff; }
.prod-cart-btn { display: block; margin-top: 8px; text-align: center; padding: 7px 0; background: var(--primary-grad); color: #fff; border-radius: 6px; font-size: 13px; }
.prod-cart-btn:hover { color: #fff; filter: brightness(1.05); }
.prod-tag { position: absolute; top: 10px; left: 10px; z-index: 2; padding: 2px 9px; border-radius: 4px 0 4px 0; font-size: 12px; color: #fff; }
.prod-tag.t-hot { background: var(--price); }
.prod-tag.t-new { background: #12b7a6; }

/* ---------- 分类专区 ---------- */
.cate-sec { margin-top: 34px; background: #fff; border-radius: var(--radius); padding: 24px 24px 28px; box-shadow: var(--shadow); }
.cate-sec-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 14px; }
.cate-sec-head h3 { font-size: 22px; color: var(--ink); position: relative; padding-left: 14px; }
.cate-sec-head h3::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 2px; background: var(--primary-grad); }
.cate-body { display: flex; gap: 16px; }
.cate-side { width: 210px; flex-shrink: 0; display: flex; flex-direction: column; gap: 12px; }
.cate-side-box { background: #f8f9fb; border-radius: var(--radius); padding: 10px; }
.cate-side-box a { display: block; padding: 7px 12px; border-radius: 6px; font-size: 13px; color: #555; transition: all .2s; }
.cate-side-box a:hover { background: #fff; color: var(--primary); box-shadow: var(--shadow); }
.cate-side-img { border-radius: var(--radius); overflow: hidden; }
.cate-side-img img { width: 100%; display: block; transition: transform .45s; }
.cate-side-img:hover img { transform: scale(1.04); }
.cate-prods { flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cate-sublinks { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border); display: flex; flex-wrap: wrap; gap: 8px 22px; }
.cate-sublinks a { font-size: 13px; color: #666; }
.cate-sublinks a:hover { color: var(--primary); }

/* ---------- 列表页 ---------- */
.crumb { padding: 14px 0; font-size: 13px; color: var(--text-sub); }
.crumb a { color: var(--text-sub); }
.crumb a:hover { color: var(--primary); }
.list-layout { display: flex; gap: 16px; align-items: flex-start; padding-bottom: 40px; }
.side-filter { width: 210px; flex-shrink: 0; }
.filter-box { background: #fff; border-radius: var(--radius); padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow); }
.filter-box h4 { font-size: 14px; color: var(--ink); margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.filter-box a { display: block; padding: 5px 8px; font-size: 13px; color: #555; border-radius: 6px; }
.filter-box a:hover { background: #fff3e9; color: var(--primary); }
.filter-box a.on { background: var(--primary-grad); color: #fff; font-weight: bold; }
.list-main { flex: 1; background: #fff; border-radius: var(--radius); padding: 16px 20px 24px; box-shadow: var(--shadow); }
.sort-bar { display: flex; align-items: center; gap: 8px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.sort-bar a { padding: 4px 14px; border-radius: 6px; font-size: 13px; color: #555; }
.sort-bar a.on { background: var(--primary-grad); color: #fff; }
.sort-bar .total { margin-left: auto; color: var(--text-sub); font-size: 13px; }
.list-grid { margin-top: 16px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; min-height: 200px; }

/* ---------- 分页 ---------- */
.paging { margin-top: 24px; text-align: center; }
.paging .pg, .paging .page-num { display: inline-block; padding: 6px 13px; margin: 0 3px; border: 1px solid var(--border); border-radius: 6px; color: #666; font-size: 13px; background: #fff; transition: all .2s; }
.paging .pg:hover, .paging .page-num:hover { color: var(--primary); border-color: var(--primary); }
.paging .page-num.current { background: var(--primary-grad); border-color: transparent; color: #fff; font-weight: bold; }
.paging .pg-info { display: inline-block; margin-left: 8px; color: var(--text-sub); font-size: 13px; }

/* ---------- 商品详情 ---------- */
.detail-layout { display: flex; gap: 26px; margin-top: 10px; }
.detail-gallery { width: 430px; flex-shrink: 0; }
.detail-big { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #fff; }
.detail-big img { width: 100%; display: block; }
.detail-thumbs { display: flex; gap: 8px; margin-top: 10px; }
.detail-thumbs img { width: 76px; height: 76px; object-fit: cover; border: 2px solid var(--border); border-radius: 8px; cursor: pointer; transition: all .2s; }
.detail-thumbs img:hover, .detail-thumbs img.on { border-color: var(--primary); }
.detail-info { flex: 1; background: #fff; border-radius: var(--radius); padding: 22px 26px; box-shadow: var(--shadow); }
.detail-name { font-size: 19px; font-weight: bold; color: var(--ink); line-height: 1.5; }
.detail-sub { margin-top: 6px; color: var(--primary); font-size: 13px; }
.detail-pricebox { margin: 16px -26px; padding: 14px 26px; background: linear-gradient(180deg, #fff5ee, #fff); }
.detail-pricebox .p-now { color: var(--price); font-size: 26px; font-weight: 700; }
.detail-pricebox .p-now::before { content: "¥"; font-size: 15px; }
.detail-pricebox .p-market { margin-left: 12px; color: #b0b6bf; font-size: 13px; text-decoration: line-through; }
.p-meta { font-size: 13px; color: var(--text-sub); display: flex; gap: 22px; }
.detail-spec { margin: 18px 0 6px; padding-top: 16px; border-top: 1px dashed #e6e8ec; }
.spec-row { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.spec-row > b { flex: 0 0 66px; font-weight: 400; color: #8a9099; font-size: 13px; line-height: 32px; }
.spec-vals { display: flex; flex-wrap: wrap; gap: 8px; }
.spec-vals a { display: inline-block; padding: 0 14px; height: 32px; line-height: 30px; border: 1px solid #dcdfe6; border-radius: 4px; font-size: 13px; color: #333; cursor: pointer; user-select: none; transition: border-color .15s, color .15s, background-color .15s; }
.spec-vals a:hover { border-color: var(--price); color: var(--price); }
.spec-vals a.on { border-color: var(--price); color: var(--price); background: #fff5ee; }
.buy-row { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.num-input { display: inline-flex; height: 40px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.num-input input { width: 52px; text-align: center; border: 0; outline: none; font-size: 14px; }
.num-input button { width: 34px; border: 0; background: #f4f5f7; font-size: 16px; color: #555; }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 34px; border-radius: 22px; border: 0; font-size: 15px; transition: all .2s; }
.btn-primary { background: var(--primary-grad); color: #fff; font-weight: bold; box-shadow: 0 6px 16px rgba(255,106,0,.32); }
.btn-primary:hover { color: #fff; filter: brightness(1.05); transform: translateY(-1px); }
.btn-plain { border: 1px solid var(--primary); color: var(--primary); background: #fff; }
.btn-plain:hover { background: #fff3e9; color: var(--primary); }
.detail-service { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border); font-size: 12px; color: var(--text-sub); display: flex; gap: 18px; flex-wrap: wrap; }
.detail-tabs { margin-top: 30px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.detail-tab-nav { display: flex; border-bottom: 1px solid var(--border); }
.detail-tab-nav a { padding: 13px 30px; font-size: 15px; color: #555; cursor: pointer; position: relative; }
.detail-tab-nav a.on { color: var(--primary); font-weight: bold; }
.detail-tab-nav a.on::after { content: ""; position: absolute; left: 30px; right: 30px; bottom: -1px; height: 2px; background: var(--primary); }
.detail-tab-body { padding: 20px 26px; line-height: 1.9; color: #444; }
.detail-attrs { font-size: 13px; color: #666; }

/* ---------- 购物车 ---------- */
.cart-table { width: 100%; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.cart-table th { background: #f8f9fb; padding: 12px 10px; font-size: 13px; color: var(--ink); text-align: left; font-weight: normal; }
.cart-table td { padding: 14px 10px; border-top: 1px solid var(--border); vertical-align: middle; }
.cart-goods { display: flex; align-items: center; gap: 12px; }
.cart-ginfo { display: flex; flex-direction: column; gap: 5px; }
.cart-spec { align-self: flex-start; padding: 1px 7px; background: #f4f5f7; border-radius: 3px; color: #8a9099; font-size: 12px; line-height: 1.6; }
.cart-goods img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.cart-foot { display: flex; align-items: center; justify-content: flex-end; gap: 18px; margin-top: 16px; background: #fff; border-radius: var(--radius); padding: 14px 20px; box-shadow: var(--shadow); }
.cart-foot .sum { font-size: 15px; color: var(--ink); }
.cart-foot .sum strong { color: var(--price); font-size: 22px; }
.empty-tip { padding: 70px 0; text-align: center; color: var(--text-sub); background: #fff; border-radius: var(--radius); }
.mini-btn { padding: 6px 14px; border: 1px solid var(--border); border-radius: 6px; background: #fff; font-size: 13px; color: #555; }
.mini-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- 结算 / 收银台 ---------- */
.checkout-layout { display: flex; gap: 16px; align-items: flex-start; padding-bottom: 40px; }
.checkout-main { flex: 1; background: #fff; border-radius: var(--radius); padding: 20px 24px; box-shadow: var(--shadow); }
.order-side, .uc-side, .detail-layout .order-side { width: 260px; flex-shrink: 0; }
.pay-list { display: flex; gap: 14px; }
.pay-item { position: relative; display: flex; align-items: center; gap: 10px; padding: 12px 20px; border: 2px solid var(--border); border-radius: var(--radius); cursor: pointer; transition: all .2s; background: #fff; }
.pay-item.on { border-color: var(--primary); background: #fff8f3; }
.pay-ico { width: 34px; height: 34px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: bold; }
.pay-alipay .pay-ico { background: #1677ff; }
.pay-wxpay .pay-ico { background: #07c160; }
.cashier { background: #fff; border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); text-align: center; }
.qr-center { display: inline-block; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.qr-state { margin-top: 12px; color: var(--text-sub); }
.tip-ok { display: inline-flex; flex-direction: column; align-items: center; gap: 10px; color: #0a9d58; }
.page-title { font-size: 22px; color: var(--ink); font-weight: bold; margin: 18px 0 14px; padding-left: 12px; border-left: 4px solid var(--primary); }
.tag { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; }
.tag-pay0 { background: #fff3e9; color: var(--primary); }
.tag-pay1 { background: #e8f7ef; color: #0a9d58; }
.tag-st0 { background: #f0f1f3; color: #9098a3; }
.tag-st1 { background: #e8f1ff; color: #2b6bff; }
.tag-st2 { background: #e8f7ef; color: #0a9d58; }
.tag-st3 { background: #fdecec; color: #e02020; }

/* ---------- 会员中心 / 表单 ---------- */
.uc-layout { display: flex; gap: 16px; align-items: flex-start; padding-bottom: 40px; }
.uc-menu { width: 200px; flex-shrink: 0; background: #fff; border-radius: var(--radius); padding: 10px; box-shadow: var(--shadow); }
.uc-menu a { display: block; padding: 10px 14px; border-radius: 8px; font-size: 14px; color: #555; transition: all .2s; }
.uc-menu a:hover { background: #fff3e9; color: var(--primary); }
.uc-menu a.on { background: var(--primary-grad); color: #fff; font-weight: bold; }
.uc-main { flex: 1; background: #fff; border-radius: var(--radius); padding: 22px 26px; box-shadow: var(--shadow); min-height: 420px; }
.uc-user { display: flex; align-items: center; gap: 14px; padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.uc-user .avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--primary-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: bold; }
.order-card { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.order-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: #f8f9fb; font-size: 13px; }
.order-goods { padding: 12px 16px; display: flex; flex-direction: column; gap: 10px; }
.order-goods .gi { display: flex; align-items: center; gap: 12px; }
.order-goods img { width: 56px; height: 56px; border-radius: 8px; object-fit: cover; border: 1px solid var(--border); }
.order-body { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; border-top: 1px solid var(--border); }
.order-ship { padding: 8px 16px; font-size: 12px; color: #2b6bff; background: #f5f9ff; border-bottom: 1px solid var(--border); }
.addr-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 10px; position: relative; transition: all .2s; }
.addr-card.on { border-color: var(--primary); background: #fff8f3; }
.addr-card .op { position: absolute; top: 12px; right: 14px; font-size: 12px; }
.addr-card .op a { color: #2b6bff; margin-left: 8px; }
.addr-form, .addr-list { margin-top: 10px; }
.form-panel { width: 400px; margin: 40px auto; background: #fff; border-radius: 14px; padding: 34px 38px; box-shadow: var(--shadow-lift); }
.form-panel h2 { text-align: center; font-size: 22px; color: var(--ink); margin-bottom: 20px; }
.form-item { margin-bottom: 16px; }
.form-item label { display: block; font-size: 13px; color: #666; margin-bottom: 6px; }
.form-item input { width: 100%; height: 42px; border: 1px solid var(--border); border-radius: 8px; padding: 0 12px; font-size: 14px; outline: none; transition: border-color .2s; }
.form-item input:focus { border-color: var(--primary); }
.form-row { display: flex; gap: 10px; }
.form-row input { flex: 1; }
.code-btn { height: 42px; padding: 0 14px; border: 1px solid var(--primary); color: var(--primary); background: #fff; border-radius: 8px; font-size: 13px; white-space: nowrap; }
.code-btn:disabled { opacity: .5; cursor: not-allowed; }
.form-submit { width: 100%; height: 46px; border: 0; border-radius: 23px; background: var(--primary-grad); color: #fff; font-size: 16px; font-weight: bold; letter-spacing: 6px; box-shadow: 0 6px 16px rgba(255,106,0,.3); transition: filter .2s; }
.form-submit:hover { filter: brightness(1.05); }
.form-alt { text-align: center; margin-top: 14px; font-size: 13px; color: var(--text-sub); }
.form-alt a { color: var(--primary); }
.login-tabs { display: flex; justify-content: center; gap: 4px; margin-bottom: 22px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.login-tabs a { padding: 8px 18px; border-radius: 18px; font-size: 14px; color: #666; cursor: pointer; transition: all .2s; }
.login-tabs a.on { background: var(--primary-grad); color: #fff; }
.login-oauth { text-align: center; margin-top: 18px; color: var(--text-sub); font-size: 13px; }
.wx-qr-box { text-align: center; padding: 10px 0; }
.wx-qr-box img { width: 200px; height: 200px; }
.wx-qr-box p { margin-top: 10px; color: var(--text-sub); font-size: 13px; }

/* ---------- 页脚 ---------- */
.footer-service { background: #fff; margin-top: 44px; border-top: 1px solid var(--border); }
.service-bar { display: flex; padding: 26px 0; }
.service-item { flex: 1; display: flex; align-items: center; gap: 14px; justify-content: center; }
.service-ico { width: 48px; height: 48px; border-radius: 50%; background: #fff3e9; color: var(--primary); font-size: 20px; font-weight: bold; display: flex; align-items: center; justify-content: center; }
.service-txt h4 { font-size: 15px; color: var(--ink); }
.service-txt p { font-size: 12px; color: var(--text-sub); }
.footer-main { background: var(--footer-bg); color: #9aa1ac; padding: 34px 0 26px; }
.footer-cols { display: flex; gap: 20px; }
.footer-col { flex: 1; }
.footer-col h4 { color: #d7dbe2; font-size: 15px; margin-bottom: 12px; }
.footer-col a { display: block; color: #9aa1ac; font-size: 13px; padding: 3px 0; }
.footer-col a:hover { color: #ffb27a; }
.footer-col.footer-wechat { text-align: center; }
.footer-col.footer-wechat img { width: 110px; height: 110px; background: #fff; padding: 5px; border-radius: 8px; }
.footer-bottom { background: var(--footer-deep); padding: 14px 0; font-size: 12px; color: #78808c; text-align: center; }
.footer-bottom a { color: #78808c; margin: 0 6px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1420px) {
  .wrapper { width: 100%; padding: 0 12px; }
  .banner { width: 100%; border-radius: 0; }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .cate-prods { grid-template-columns: repeat(2, 1fr); }
  .cate-side { width: 170px; }
  .detail-layout { flex-direction: column; }
  .detail-gallery { width: 100%; }
  .list-layout { flex-direction: column; }
  .side-filter { width: 100%; }
  .uc-layout, .checkout-layout { flex-direction: column; }
  .uc-menu, .order-side, .uc-side { width: 100%; }
  .header .wrapper { flex-wrap: wrap; gap: 10px; }
  .search-box { margin: 0; min-width: 100%; order: 3; }
  .nav-list { overflow-x: auto; }
  .allcat-panel { display: none !important; }
}
@media (max-width: 760px) {
  .topbar { font-size: 11px; }
  .topbar-right li { padding: 0 6px; }
  .header { padding: 12px 0; }
  .header .wrapper { display: block; }
  .logo { width: auto; display: flex; align-items: center; justify-content: space-between; }
  .logo img { max-height: 40px; }
  .header-cart { margin-top: 0; }
  .header-cart a { padding: 0 12px; height: 38px; }
  .search-box { margin: 10px 0 0; min-width: 100%; }
  .search-form { height: 40px; }
  .search-form select { width: 88px; }
  .search-form button { width: 84px; letter-spacing: 2px; }
  .search-hot { display: none; }
  .mainnav .wrapper { height: 40px; }
  .allcat { width: 140px; }
  .allcat-title { font-size: 13px; letter-spacing: 0; }
  .nav-list a { padding: 0 12px; font-size: 14px; height: 40px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sec-title { font-size: 19px; }
  .prod-tabs { flex-wrap: wrap; }
  .cate-sec-head h3 { font-size: 18px; }
  .page-card { padding: 22px 18px 26px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
  .cate-body { flex-direction: column; }
  .cate-side { width: 100%; flex-direction: row; }
  .cate-side-box { flex: 1; }
  .service-strip .wrapper { flex-wrap: wrap; }
  .s-item { flex: 1 1 50%; padding-left: 8px; }
  .banner-slides { height: 220px; }
  .footer-cols { flex-wrap: wrap; }
  .footer-col { flex: 1 1 45%; }
  .detail-spec { margin-top: 14px; padding-top: 14px; }
  .spec-row { flex-direction: column; gap: 4px; margin-bottom: 14px; }
  .spec-row > b { flex: none; line-height: 20px; }
  .spec-vals a { padding: 0 12px; height: 30px; line-height: 28px; }
}

/* ---------- 通用单页（page.html） ---------- */
.page-wrap { padding: 18px 0 40px; }
.crumb { padding: 10px 4px 16px; color: #999; font-size: 13px; }
.crumb a { color: #666; }
.crumb a:hover { color: var(--primary); }
.page-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 36px 46px 40px; }
.page-title { font-size: 26px; color: var(--ink); margin-bottom: 8px; }
.page-sub { color: #a5abb6; font-size: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--border); margin-bottom: 22px; }
.page-body { font-size: 15px; line-height: 1.9; color: #444; }
.page-body h2 { font-size: 20px; color: var(--ink); margin: 26px 0 12px; padding-left: 12px; border-left: 4px solid var(--primary); }
.page-body h2:first-child { margin-top: 0; }
.page-body h3 { font-size: 17px; color: var(--ink); margin: 22px 0 10px; }
.page-body p { margin: 10px 0; }
.page-body ul, .page-body ol { margin: 10px 0 10px 22px; }
.page-body ul li { list-style: disc; margin: 6px 0; }
.page-body ol li { list-style: decimal; margin: 6px 0; }
.page-body a { color: var(--primary); }
.page-entry { margin-top: 34px; padding-top: 20px; border-top: 1px dashed var(--border); }
.page-entry h3 { font-size: 15px; color: var(--ink); margin-bottom: 12px; }
.page-entry a { display: inline-block; padding: 6px 18px; margin: 0 10px 10px 0; border: 1px solid var(--border); border-radius: 18px; font-size: 13px; color: #555; }
.page-entry a:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- 专题页双栏（左导航 + 右内容） ---------- */
.page-layout { display: flex; gap: 16px; align-items: flex-start; }
.page-side { width: 210px; flex-shrink: 0; }
.page-main { flex: 1; min-width: 0; }
.page-layout .page-card { padding: 28px 34px 34px; }
.filter-box a.sub { padding-left: 20px; font-size: 12px; color: #777; position: relative; }
.filter-box a.sub::before { content: '·'; position: absolute; left: 10px; color: #bbb; }
.filter-box a.sub:hover { color: var(--primary); }
@media (max-width: 1420px) {
  .page-layout { flex-direction: column; }
  .page-side { width: 100%; }
}
@media (max-width: 760px) {
  .footer-col { flex: 1 1 30%; }
  .footer-col.footer-wechat { flex: 1 1 45%; }
}

/* 用户中心头像 */
.uc-avatar-wrap { position: relative; width: 52px; height: 52px; flex-shrink: 0; }
.uc-avatar-wrap .uc-avatar { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; display: block; border: 2px solid #fff; box-shadow: var(--shadow); }
.uc-avatar-wrap .uc-avatar-edit { position: absolute; left: 50%; bottom: -4px; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: 10px; line-height: 1; padding: 3px 6px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.uc-avatar-wrap .uc-avatar-edit:hover { background: var(--primary-dark, #ff5000); }

/* 询盘表单 */
.inq-row { display: flex; gap: 14px; }
.inq-row .form-item { flex: 1; }
.inq-form textarea { width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 14px; font-family: inherit; outline: none; resize: vertical; transition: border-color .2s; }
.inq-form textarea:focus { border-color: var(--primary); }
.inq-form .form-submit { letter-spacing: 2px; }
@media (max-width: 768px) { .inq-row { flex-direction: column; gap: 0; } }