/* ==========================================================================
   科炜科技 · 电子元器件配单 —— 全站样式（前台 + 后台共用）
   ========================================================================== */

:root{
  --brand:#0f4cba;
  --brand-dark:#0a2f7d;
  --brand-light:#eaf1ff;
  --brand-soft:#f4f8ff;
  /* 价格与强调色：统一正红（#e60012），和 --accent-light 配套 */
  --accent:#e60012;
  --accent-light:#ffeded;
  --ink:#111827;
  --ink-2:#374151;
  --muted:#6b7280;
  --muted-2:#9aa3af;
  --line:#e5e8ef;
  --line-2:#f0f2f7;
  --bg:#f5f7fb;
  --panel:#ffffff;
  --ok:#0f9d58;
  --ok-bg:#e8f7ef;
  --warn:#c2740a;
  --warn-bg:#fff6e5;
  --danger:#d92d20;
  --danger-bg:#fdecea;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:18px;
  --shadow-1:0 1px 2px rgba(17,24,39,.05), 0 1px 3px rgba(17,24,39,.04);
  --shadow-2:0 12px 32px -14px rgba(17,24,39,.25), 0 2px 8px rgba(17,24,39,.05);
  --shadow-3:0 24px 60px -24px rgba(10,47,125,.35);
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --header-h:132px;
}

*,*::before,*::after{box-sizing:border-box}
/* hidden 属性必须永远生效：否则像 .chat-panel{display:flex} 这类样式会把它盖掉，
   导致"点了关闭但关不掉" */
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:14.5px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:600}
p{margin:0}
img{max-width:100%;display:block}
.wrap{max-width:1300px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.mono{font-family:var(--mono)}
.center{text-align:center}
.hidden{display:none !important}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ---------------- 通用组件 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:38px;padding:0 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:.16s;white-space:nowrap;
}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-brand:hover{background:#0d43a6;color:#fff}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{filter:brightness(1.06);color:#fff}
.btn-ghost{border-color:transparent;background:transparent}
.btn-ghost:hover{background:var(--brand-light)}
.btn-sm{height:32px;padding:0 12px;font-size:13px;border-radius:7px}
.btn-lg{height:46px;padding:0 28px;font-size:15.5px;border-radius:10px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:500;white-space:nowrap}
.badge-ok{background:var(--ok-bg);color:var(--ok)}
.badge-warn{background:var(--warn-bg);color:var(--warn)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-plain{background:var(--line-2);color:var(--muted)}
.badge-brand{background:var(--brand-light);color:var(--brand)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1)}
.section{margin:44px 0}
.section-head{display:flex;align-items:flex-end;gap:16px;margin-bottom:20px}
.section-head h2{font-size:22px;position:relative;padding-left:14px}
.section-head h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:linear-gradient(var(--brand),var(--accent))}
.section-head .desc{color:var(--muted);font-size:13.5px;padding-bottom:3px}
.section-head .more{margin-left:auto;font-size:13.5px;color:var(--brand);padding-bottom:3px}

.offline-bar{background:#fff8e6;border-bottom:1px solid #f3d99b;color:#8a5a00;padding:9px 24px;font-size:13px;text-align:center}

/* ---------------- 顶栏 ---------------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line), 0 6px 24px -18px rgba(17,24,39,.35)}
.topline{background:var(--brand-dark);color:#cddcff;font-size:12.5px}
.topline-inner{display:flex;justify-content:space-between;align-items:center;height:34px}
.topline a{color:#cddcff;margin-left:18px}
.topline a:hover{color:#fff}
.header-main{display:flex;align-items:center;gap:26px;padding:16px 24px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{display:block;width:44px;height:44px;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:19.5px;letter-spacing:.02em;font-weight:600}
.logo-text small{font-size:9px;color:var(--muted-2);letter-spacing:.085em;font-weight:500;
  white-space:nowrap;margin-top:1px}

.search{position:relative;flex:1;display:flex;align-items:center;border:2px solid var(--brand);border-radius:var(--radius-sm);overflow:hidden;background:#fff;max-width:720px}
.search select{border:none;background:#f7f9fc;height:42px;padding:0 10px;font-size:13.5px;color:var(--ink-2);border-right:1px solid var(--line);max-width:150px}
.search input{flex:1;border:none;height:42px;padding:0 14px;font-size:14px;outline:none;min-width:80px}
.search .btn{border-radius:0;height:42px;padding:0 26px}
.suggest{position:absolute;top:46px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-2);max-height:360px;overflow:auto;z-index:60;padding:6px}
.suggest-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;cursor:pointer}
.suggest-item:hover{background:var(--brand-soft)}
.suggest-item .mpn{font-family:var(--mono);font-size:13px;font-weight:600}
.suggest-item .price{margin-left:auto;color:var(--accent);font-family:var(--mono);font-size:12.5px;font-weight:500}

.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.lang-btn{height:38px;min-width:46px;padding:0 12px;border:1px solid var(--line);border-radius:9px;
  background:#fff;font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.03em}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}
.lang-btn[data-lang="en"]{background:var(--brand-light);border-color:var(--brand);color:var(--brand)}
.lang-btn-mobile{display:none;margin-left:8px}
.news-lang{font-weight:600;color:var(--brand)}
/* 语言下拉：点「语言」按钮弹出，里面是中文 / English */
.lang-wrap{position:relative;display:inline-flex}
.lang-backdrop{display:none}
.lang-inline{display:none}
.lang-wrap-mobile{display:none}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:70;min-width:132px;padding:6px;
  background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:var(--shadow-2)}
.lang-menu button{display:block;width:100%;padding:9px 12px;border:0;background:none;border-radius:8px;
  text-align:left;font-size:13.5px;font-weight:500;color:var(--ink-2);font-family:inherit;cursor:pointer}
.lang-menu button:hover{background:var(--brand-soft);color:var(--brand)}
.lang-menu button[data-on="1"]{color:var(--brand);font-weight:700}
.lang-menu button[data-on="1"]::after{content:" ✓"}
.cart-btn{display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
.cart-btn:hover{border-color:var(--brand);color:var(--brand)}
.cart-count{min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px;display:grid;place-items:center}

.main-nav{display:flex;align-items:center;gap:6px;height:46px;border-top:1px solid var(--line-2)}
.main-nav > a,.nav-categories > .nav-cat{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:7px;font-size:14px;color:var(--ink-2);white-space:nowrap}
.main-nav > a:hover,.nav-cat:hover{background:var(--brand-light);color:var(--brand)}
.nav-home{font-weight:600}
.nav-hot{color:var(--accent) !important;font-weight:600}
.nav-categories{display:flex;flex:1;gap:2px;overflow:hidden}

/* ---------------- 首页 Banner ---------------- */
.hero{position:relative;border-radius:var(--radius-lg);overflow:hidden;margin-top:24px;box-shadow:var(--shadow-3)}
.hero-slide{display:none;position:relative;min-height:320px;padding:56px 60px;color:#fff;
  background:linear-gradient(115deg,#0a2f7d 0%,#0f4cba 48%,#1d6fe0 100%)}
.hero-slide.on{display:block}
.hero-slide::after{content:"";position:absolute;right:-80px;top:-60px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%)}
.hero-slide .eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  background:rgba(255,255,255,.16);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.hero-slide h1{font-size:clamp(26px,3.2vw,40px);max-width:20em;letter-spacing:-.02em}
.hero-slide p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:34em}
.hero-slide .hero-cta{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.hero-slide .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero-slide .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-dots{position:absolute;left:60px;bottom:26px;display:flex;gap:9px;z-index:3}
.hero-dots button{width:26px;height:4px;border-radius:2px;background:rgba(255,255,255,.42)}
.hero-dots button[data-on="1"]{background:#fff;width:40px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.18);color:#fff;display:grid;place-items:center;font-size:19px;z-index:3}
.hero-arrow:hover{background:rgba(255,255,255,.34)}
.hero-arrow.prev{left:18px}
.hero-arrow.next{right:18px}

/* 服务承诺条 */
.promise{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:var(--radius);overflow:hidden;margin-top:20px}
.promise div{background:#fff;padding:18px 22px;display:flex;align-items:center;gap:13px}
.promise .ico{width:38px;height:38px;border-radius:10px;background:var(--brand-light);color:var(--brand);display:grid;place-items:center;flex:none}
.promise strong{display:block;font-size:14.5px}
.promise span{font-size:12.5px;color:var(--muted)}

/* ---------------- 分类导航 ---------------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(146px,1fr));gap:12px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 14px;text-align:center;transition:.16s}
.cat-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.cat-card .ico{width:46px;height:46px;margin:0 auto 10px;border-radius:13px;background:var(--brand-soft);
  color:var(--brand);display:grid;place-items:center}
.cat-card strong{display:block;font-size:14px}
.cat-card span{font-size:12px;color:var(--muted-2)}

/* ---------------- 商品卡片 ---------------- */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.16s;position:relative}
.pcard:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.pcard-thumb{position:relative;background:linear-gradient(160deg,#fbfcff,#f2f5fb);border-bottom:1px solid var(--line-2);aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden}
.pcard-thumb img{width:100%;height:100%;object-fit:contain;padding:12px}
.pcard-thumb svg{width:100%;height:100%;padding:8px}
.pcard-tags{position:absolute;left:10px;top:10px;display:flex;gap:6px}
.pcard-body{padding:13px 14px 0;display:flex;flex-direction:column;gap:5px;flex:1}
.pcard-mpn{font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--brand-dark);word-break:break-all}
.pcard-name{font-size:13px;color:var(--ink-2);min-height:2.7em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard-meta{display:flex;flex-wrap:wrap;gap:5px;margin-top:2px}
.chip{font-size:11.5px;padding:2px 7px;border-radius:6px;background:var(--line-2);color:var(--muted)}
.pcard-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;padding:12px 14px;margin-top:auto;border-top:1px solid var(--line-2)}
.price{font-family:var(--mono);font-size:15.5px;font-weight:500;color:var(--accent);letter-spacing:-.01em}
.price small{font-family:var(--sans);font-size:11.5px;color:var(--muted);font-weight:400;margin-left:1px}
.pcard-buy{display:flex;gap:6px}

/* 工具栏 / 筛选 */
.list-layout{display:grid;grid-template-columns:236px 1fr;gap:22px;align-items:start;margin-top:22px}
.sidebar{position:sticky;top:calc(var(--header-h) + 12px)}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:14px}
.side-card h4{font-size:14px;padding:14px 16px;border-bottom:1px solid var(--line-2);background:var(--brand-soft)}
.side-list{max-height:520px;overflow:auto;padding:6px 0}
.side-item{display:flex;align-items:center;gap:8px;padding:9px 16px;font-size:13.5px;cursor:pointer;color:var(--ink-2)}
.side-item:hover{background:var(--brand-soft);color:var(--brand)}
.side-item[data-on="1"]{background:var(--brand-light);color:var(--brand);font-weight:600}
.side-item .n{margin-left:auto;font-size:12px;color:var(--muted-2);font-family:var(--mono)}
.side-sub{padding-left:30px;font-size:13px}

.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:12px 16px;margin-bottom:16px}
.toolbar .count{font-size:13.5px;color:var(--muted)}
.toolbar .count b{color:var(--brand);font-family:var(--mono)}
.toolbar .spacer{margin-left:auto}
.sort-tabs{display:flex;gap:2px;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.sort-tabs button{padding:6px 13px;font-size:13px;color:var(--muted)}
.sort-tabs button[data-on="1"]{background:var(--brand-light);color:var(--brand);font-weight:600}
.select{height:34px;padding:0 30px 0 12px;border-radius:8px;border:1px solid var(--line);background:#fff;
  appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 16px) 15px,calc(100% - 11px) 15px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}

.pager{display:flex;gap:6px;justify-content:center;margin:26px 0}
.pager button{min-width:36px;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;font-family:var(--mono);font-size:13.5px}
.pager button[data-on="1"]{background:var(--brand);border-color:var(--brand);color:#fff}
.pager button[disabled]{opacity:.45;cursor:not-allowed}
.pager .pager-gap{min-width:20px;text-align:center;color:var(--muted, #9aa4b2);line-height:36px}
.pager .pager-info{align-self:center;margin-left:6px;font-size:12.5px;color:var(--muted, #6b7280)}
.empty{padding:70px 20px;text-align:center;color:var(--muted)}
.empty .big{font-size:44px;opacity:.35;margin-bottom:10px}

/* ---------------- 商品详情 ---------------- */
.crumbs{font-size:13px;color:var(--muted);margin:18px 0}
.crumbs a:hover{color:var(--brand)}
.detail{display:grid;grid-template-columns:minmax(320px,460px) 1fr;gap:30px;align-items:start}
.gallery{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;position:sticky;top:calc(var(--header-h) + 12px)}
.gallery-main{aspect-ratio:1/1;background:linear-gradient(160deg,#fbfcff,#f2f5fb);border-radius:10px;display:grid;place-items:center;overflow:hidden}
.gallery-main img{width:100%;height:100%;object-fit:contain;padding:16px}
.gallery-main svg{width:100%;height:100%;padding:14px}
.gallery-thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.gallery-thumbs button{width:64px;height:64px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;padding:3px}
.gallery-thumbs button[data-on="1"]{border-color:var(--brand)}
.gallery-thumbs img{width:100%;height:100%;object-fit:contain}

.detail h1{font-size:23px;line-height:1.35}
.detail .mpn-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:10px 0 6px}
.detail .mpn-row code{font-family:var(--mono);font-size:15px;font-weight:600;background:var(--brand-light);color:var(--brand);padding:4px 10px;border-radius:7px}
.buybox{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.price-now{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price-now .price{font-size:25px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:9px;height:40px;overflow:hidden}
.qty button{width:36px;height:100%;color:var(--ink-2);font-size:17px}
.qty button:hover{background:var(--brand-light);color:var(--brand)}
.qty input{width:88px;height:100%;border:none;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-family:var(--mono);background:transparent}
.buy-actions{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap;align-items:center}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:18px}
.kv div{background:#fff;padding:12px 15px;font-size:13.5px;display:flex;gap:10px;min-width:0}
.kv div span:first-child{color:var(--muted);flex:0 0 auto;min-width:58px;white-space:nowrap}
/* 值这一列要能换行，否则邮箱、长型号会溢出被裁掉 */
.kv div span:last-child{font-family:var(--mono);flex:1 1 auto;min-width:0;
  overflow-wrap:anywhere;word-break:break-word;line-height:1.55}
.kv div a{color:var(--brand);text-decoration:none;border-bottom:1px dashed var(--line-strong)}
.kv div a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.tbl-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
table.tbl th{text-align:left;padding:11px 15px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;border-bottom:1px solid var(--line);white-space:nowrap}
table.tbl td{padding:11px 15px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.tbl tbody tr:hover{background:var(--brand-soft)}
table.tbl tbody tr:last-child td{border-bottom:none}
table.tbl .num{font-weight:500;text-align:right;font-family:var(--mono)}
table.tbl .mpn{font-family:var(--mono);font-weight:600}

/* ---------------- 表单 ---------------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;color:var(--ink-2);font-weight:500}
.field .hint{font-size:12px;color:var(--muted-2)}
.input,.textarea,.field input,.field select,.field textarea{
  width:100%;height:42px;padding:0 13px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;outline:none;transition:.15s;font-size:14px}
.field textarea,.textarea{height:auto;min-height:110px;padding:11px 13px;line-height:1.7;resize:vertical;font-family:var(--sans)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 18px}

/* ---------------- BOM ---------------- */
.bom-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-1)}
.drop{position:relative;border:2px dashed #c9d4e8;border-radius:var(--radius);background:var(--brand-soft);
  padding:34px 20px;text-align:center;transition:.16s}
.drop.hot{border-color:var(--brand);background:var(--brand-light)}
.drop .big{font-size:34px;color:var(--brand);opacity:.75}
.drop strong{display:block;margin-top:8px}
.drop span{font-size:12.5px;color:var(--muted)}
.file-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.file-row{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:13.5px}
.file-row .n{margin-left:auto;color:var(--muted);font-size:12.5px}

/* ---------------- 购物车 / 抽屉 ---------------- */
.cart-layout{display:grid;grid-template-columns:1fr 330px;gap:20px;align-items:start;margin-top:20px}
.cart-sum{position:sticky;top:calc(var(--header-h) + 12px);background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.sum-row{display:flex;justify-content:space-between;padding:8px 0;font-size:13.5px;color:var(--ink-2)}
.sum-row.total{border-top:1px dashed var(--line);margin-top:8px;padding-top:14px;font-size:16px}
.sum-row.total b{color:var(--accent);font-family:var(--mono);font-size:18px;font-weight:500}

.drawer{position:fixed;top:0;right:0;bottom:0;width:min(430px,92vw);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .24s ease;display:flex;flex-direction:column;box-shadow:var(--shadow-2)}
.drawer[data-open="1"]{transform:none}
.drawer header{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer header strong{font-size:15.5px}
.drawer header button{margin-left:auto;color:var(--muted)}
.drawer-body{flex:1;overflow:auto;padding:14px 20px}
.drawer footer{padding:16px 20px;border-top:1px solid var(--line);background:var(--brand-soft)}
.line-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.line-item:last-child{border-bottom:none}
.line-item .li-main{flex:1;min-width:0}
.line-item .li-mpn{font-family:var(--mono);font-size:13px;font-weight:600;word-break:break-all}
.line-item .li-sub{font-size:12.5px;color:var(--muted)}
.line-item .li-price{font-family:var(--mono);font-size:13.5px;text-align:right;white-space:nowrap}
.scrim{position:fixed;inset:0;background:rgba(17,24,39,.42);z-index:70;backdrop-filter:blur(2px)}

/* ---------------- 悬浮客服 & 聊天 ---------------- */
.float-tools{position:fixed;right:18px;bottom:24px;display:flex;flex-direction:column;gap:8px;z-index:60;align-items:flex-end}
.float-btn{width:56px;padding:8px 0;border-radius:12px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-2);display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--ink-2)}
.float-btn:hover{color:var(--brand);border-color:var(--brand)}
.float-chat{background:var(--brand);color:#fff;border-color:var(--brand)}
.float-chat:hover{color:#fff;background:#0d43a6}
.float-qq{background:#12b7f5;color:#fff;border-color:#12b7f5}
.float-qq:hover{color:#fff;background:#0aa5e0}
.float-wechat{background:#07c160;color:#fff;border-color:#07c160}
.float-wechat:hover{color:#fff;background:#06ad56}
.float-top{border-radius:50%;width:42px;height:42px;padding:0;font-size:17px;justify-content:center;align-self:center}

/* 悬浮弹出的小面板（QQ 列表 / 微信二维码） */
.float-pop{position:absolute;right:70px;bottom:0;width:196px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-3);padding:12px;z-index:61}
.float-pop-head{font-size:12.5px;color:var(--muted);margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--line-2)}
.qq-item{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:8px;border:1px solid var(--line);
  margin-bottom:7px;font-size:13.5px;color:var(--ink-2)}
.qq-item:last-child{margin-bottom:0}
.qq-item:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.qq-item .ico{width:22px;height:22px;border-radius:50%;background:#12b7f5;color:#fff;display:grid;place-items:center;font-size:11px;flex:none}
.qq-item .num{font-family:var(--mono);font-weight:600}
.qq-item .qq-copy{margin-left:auto;flex:none;border:1px solid var(--brand);background:#fff;color:var(--brand);
  border-radius:6px;font-size:12px;padding:3px 9px;cursor:pointer;font-family:inherit}
.qq-item .qq-copy:hover{background:var(--brand);color:#fff}
.qq-row{display:flex;align-items:stretch;gap:7px;margin-bottom:7px}
.qq-row .qq-item{flex:1;margin-bottom:0;min-width:0}
.qq-row .qq-copy{flex:none;margin-left:0;border-color:var(--line);color:var(--muted);
  border-radius:8px;font-size:12px;padding:0 10px}
.qq-row .qq-copy:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.qq-tip{margin:9px 0 0;line-height:1.6;font-size:11.5px}
/* 页脚：备案号单独一行居中 */
.footer-icp{text-align:center;padding:2px 24px 18px;font-size:12.5px;color:var(--muted)}
.footer-icp a{color:var(--muted);text-decoration:none}
.footer-icp a:hover{color:var(--brand)}
.float-qr{width:212px;text-align:center}
.qr-box{width:170px;height:170px;margin:0 auto;border:1px solid var(--line);border-radius:10px;
  display:grid;place-items:center;overflow:hidden;background:#fff}
.qr-box img{width:100%;height:100%;object-fit:contain}

.chat-panel{position:fixed;right:18px;bottom:24px;width:min(330px,90vw);height:min(440px,68vh);background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-3);z-index:90;display:flex;flex-direction:column;overflow:hidden}
.chat-panel header{display:flex;align-items:center;padding:11px 14px;background:linear-gradient(120deg,var(--brand-dark),var(--brand));color:#fff}
.chat-panel header strong{display:block;font-size:14px}
.chat-panel header small{font-size:11px;color:rgba(255,255,255,.78)}
.chat-panel header button{margin-left:auto;color:#fff;font-size:12px;padding:5px 10px;border-radius:7px;
  background:rgba(255,255,255,.18);white-space:nowrap}
.chat-panel header button:hover{background:rgba(255,255,255,.32)}
.chat-body{flex:1;overflow:auto;padding:12px;background:var(--brand-soft);display:flex;flex-direction:column;gap:8px}
.msg{max-width:88%;padding:9px 12px;border-radius:11px;font-size:13px;line-height:1.65;white-space:pre-wrap}
.msg.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:3px}
.msg.me{background:var(--brand);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.msg .qq{color:var(--brand);text-decoration:underline;cursor:pointer;font-family:var(--mono)}
.chat-quick{display:flex;flex-wrap:wrap;gap:7px;padding:10px 14px;border-top:1px solid var(--line-2);max-height:96px;overflow:auto}
.chat-quick button{font-size:12.5px;padding:5px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-2)}
.chat-quick button:hover{border-color:var(--brand);color:var(--brand)}
.chat-input{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line)}
.chat-input input{flex:1;height:38px;border:1px solid var(--line);border-radius:8px;padding:0 12px;outline:none}
.chat-input input:focus{border-color:var(--brand)}

/* ---------------- 页脚 ---------------- */
.site-footer{margin-top:56px;background:#fff;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:30px;padding:38px 24px 28px}
.footer-grid h4{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
/* 只作用于栏目里的直接链接；联系方式那一段里的内联链接不受影响 */
.footer-grid > div > a{display:block;font-size:13.5px;color:var(--ink-2);padding:3px 0}
.footer-grid > div > a:hover{color:var(--brand)}
/* 主营品类那一列是 JS 填进去的，链接要单独排版，否则会挤成一团 */
#footerCats a{display:block;font-size:13.5px;color:var(--ink-2);padding:3px 0}
#footerCats a:hover{color:var(--brand)}

/* 联系方式里的可点击链接（QQ、邮箱、电话） */
.contact-link{color:var(--brand);text-decoration:none;border-bottom:1px dashed var(--line-strong);
  white-space:nowrap;background:none;padding:0;font:inherit;cursor:pointer}
.contact-link:hover{color:var(--accent);border-bottom-color:var(--accent)}
.footer-logo{font-size:17px;font-weight:700;margin-bottom:10px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px 24px;border-top:1px solid var(--line-2);font-size:12.5px;color:var(--muted)}

.toast{position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);background:var(--ink);color:#fff;
  padding:11px 20px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:100;box-shadow:var(--shadow-2);max-width:80vw}
.toast[data-show="1"]{opacity:1;transform:translate(-50%,0)}

/* ==========================================================================
   后台管理
   ========================================================================== */
.admin-body{background:#eef1f7}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:linear-gradient(140deg,#0a2f7d,#0f4cba 55%,#1d6fe0)}
.login-card{width:min(400px,100%);background:#fff;border-radius:18px;padding:34px 32px;box-shadow:var(--shadow-3)}
.login-card h1{font-size:20px;margin-bottom:6px}
.login-card p{color:var(--muted);font-size:13px;margin-bottom:22px}

.admin-shell{display:grid;grid-template-columns:224px 1fr;min-height:100vh}
.admin-side{background:#0c1c3d;color:#c3d0e8;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.admin-side .brand{padding:20px 20px 16px;color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;gap:9px}
.admin-side .brand small{display:block;font-size:10.5px;color:#7f95bd;font-weight:400}
.admin-nav{padding:8px;display:flex;flex-direction:column;gap:2px;overflow:auto}
.admin-nav button{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:9px;color:#c3d0e8;font-size:13.8px;text-align:left}
.admin-nav button:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-nav button[data-on="1"]{background:var(--brand);color:#fff;font-weight:600}
.admin-nav .n{margin-left:auto;font-size:11.5px;background:rgba(255,255,255,.14);padding:1px 7px;border-radius:999px}
.admin-side .foot{margin-top:auto;padding:16px 20px;font-size:12px;color:#7f95bd;border-top:1px solid rgba(255,255,255,.08)}

.admin-main{padding:24px 28px 60px;min-width:0}
.admin-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.admin-head h1{font-size:21px}
.admin-head .spacer{margin-left:auto}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat span{font-size:12.5px;color:var(--muted)}
.stat strong{display:block;font-size:26px;font-family:var(--mono);letter-spacing:-.02em;margin-top:4px}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.panel + .panel{margin-top:16px}
.panel-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.panel-head h3{font-size:16px}
.panel-head .spacer{margin-left:auto}
.admin-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.admin-toolbar input,.admin-toolbar select{height:36px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:#fff;font-size:13.5px}
.admin-toolbar input[type=search]{min-width:230px}

.thumb{width:46px;height:46px;border-radius:8px;border:1px solid var(--line);background:var(--brand-soft);
  display:grid;place-items:center;overflow:hidden;font-size:16px;color:var(--brand)}
.thumb img{width:100%;height:100%;object-fit:contain}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.link-btn{color:var(--brand);font-size:13px}
.link-btn:hover{text-decoration:underline}
.link-danger{color:var(--danger);font-size:13px}

.modal-mask{position:fixed;inset:0;background:rgba(12,28,61,.5);z-index:120;display:grid;place-items:start center;overflow:auto;padding:28px 16px}
.modal{width:min(880px,100%);background:#fff;border-radius:16px;box-shadow:var(--shadow-3);overflow:hidden}
.modal header{display:flex;align-items:center;padding:17px 22px;border-bottom:1px solid var(--line)}
.modal header h3{font-size:16.5px}
.modal header button{margin-left:auto;color:var(--muted)}
.modal .modal-body{padding:22px;max-height:70vh;overflow:auto}
.modal footer{display:flex;gap:10px;justify-content:flex-end;padding:16px 22px;border-top:1px solid var(--line);background:var(--brand-soft)}
.sub-title{font-size:13px;font-weight:600;color:var(--brand-dark);margin:22px 0 10px;padding-bottom:7px;border-bottom:1px solid var(--line-2)}
.sub-title:first-child{margin-top:0}
.tier-row,.spec-row{display:flex;gap:9px;align-items:center;margin-bottom:9px}
.tier-row input,.spec-row input{height:36px;border:1px solid var(--line);border-radius:8px;padding:0 11px;font-size:13.5px}
.tier-row input:first-child{width:130px}
.tier-row input:nth-child(2){width:130px}
.spec-row input:first-child{width:170px}
.spec-row input:nth-child(2){flex:1}
.icon-x{width:32px;height:32px;border-radius:8px;color:var(--danger);display:grid;place-items:center;flex:none}
.icon-x:hover{background:var(--danger-bg)}
.add-row{font-size:13px;color:var(--brand);margin-top:4px}

.uploader{border:2px dashed #c9d4e8;border-radius:12px;background:var(--brand-soft);padding:20px;text-align:center;transition:.16s}
.uploader.hot{border-color:var(--brand);background:var(--brand-light)}
.uploader strong{display:block;font-size:14px}
.uploader span{font-size:12.5px;color:var(--muted)}
.upload-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(102px,1fr));gap:10px;margin-top:14px}
.upload-item{position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;aspect-ratio:1/1}
.upload-item img{width:100%;height:100%;object-fit:contain;padding:6px}
.upload-item .del{position:absolute;right:4px;top:4px;width:22px;height:22px;border-radius:50%;background:rgba(217,45,32,.9);color:#fff;font-size:12px;display:grid;place-items:center}
.upload-item .cover{position:absolute;left:4px;bottom:4px;font-size:10.5px;background:var(--brand);color:#fff;padding:1px 6px;border-radius:5px}

.cat-editor{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;background:#fff}
.cat-editor .top{display:flex;gap:9px;align-items:center;margin-bottom:10px}
.cat-editor .top input{height:36px;border:1px solid var(--line);border-radius:8px;padding:0 11px;font-weight:600}
.cat-editor .top input:first-child{width:160px}
.cat-editor .subs{display:flex;flex-wrap:wrap;gap:8px}
.sub-chip{display:inline-flex;align-items:center;gap:7px;background:var(--brand-soft);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;font-size:13px}
.sub-chip button{color:var(--muted);font-size:12px}
.sub-chip button:hover{color:var(--danger)}

.answer-list{display:flex;flex-direction:column;gap:12px}
.answer-card{border:1px solid var(--line);border-radius:12px;padding:16px;background:#fff}
.answer-card .q{font-weight:600;margin-bottom:6px}
.answer-card .a{color:var(--ink-2);font-size:13.8px;white-space:pre-wrap}
.answer-card .kw{font-size:12px;color:var(--muted);margin-top:8px;font-family:var(--mono)}

@media (max-width:1080px){
  .topline{display:none}
  .list-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .detail{grid-template-columns:1fr}
  .gallery{position:static}
  .cart-layout{grid-template-columns:1fr}
  .cart-sum{position:static}
  .admin-shell{grid-template-columns:1fr}
  .admin-side{position:static;height:auto}
  .footer-grid{grid-template-columns:1fr 1fr}
  .promise{grid-template-columns:1fr 1fr}
}
@media (max-width:400px){
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pcard-body{padding:10px 11px 0}
  .pcard-foot{padding:10px 11px}
}
@media (max-width:720px){
  .wrap{padding:0 15px}
  /* 手机上顶栏不做吸顶：搜索框换行后顶栏太高，会吃掉半个屏幕 */
  .site-header{position:static}
  /* 输入框字号必须 ≥16px，否则 iOS Safari 会在聚焦时自动放大页面 */
  input,select,textarea{font-size:16px !important}
  .search input,.search select{height:44px}
  .search .btn{height:44px;padding:0 18px}
  /* 表格一律横向滑动，不撑破页面 */
  .tbl-wrap{-webkit-overflow-scrolling:touch}
  /* 触摸目标不小于 44px */
  .btn,.seg button,.sort-tabs button{min-height:40px}
  .float-btn{min-height:48px}
  .pcard-foot .btn{min-height:34px}
  .qty button{min-width:44px}
  /* 筛选面板在手机上别占满屏，否则商品会被挤到下面看不见 */
  .filters{max-height:42vh;overflow:auto;-webkit-overflow-scrolling:touch}
  .side-list{max-height:none}
  .side-card h4{position:sticky;top:0;background:var(--brand-soft);z-index:1}
  /* 商品卡片：价格和按钮放不下时自动换行，不再被切掉 */
  .pcard-foot{flex-wrap:wrap;gap:8px}
  .pcard-foot > div:first-child{flex:1 1 100%}
  .pcard-buy{flex:1 1 auto;display:flex;gap:6px}
  .pcard-buy .btn{flex:1}
  .pcard-name{min-height:0}
  /* 商品图册缩略图居中排列 */
  .gallery-thumbs{justify-content:center}
  .side-item{padding:12px 16px}
  .check{padding:7px 0}
  .header-main{flex-wrap:wrap;gap:14px;padding:14px 15px}
  .search{order:3;max-width:none;width:100%}
  .search select{display:none}
  /* 顶部分类导航：整条横向滑动，文字不再被挤压重叠 */
  .main-nav{
    flex-wrap:nowrap;
    overflow-x:auto;
    overflow-y:hidden;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    height:auto;
    min-height:44px;
    padding-top:5px;
    padding-bottom:5px;
    gap:4px;
  }
  .main-nav::-webkit-scrollbar{display:none}
  .lang-inline{display:inline-flex;gap:0;flex:0 0 auto;border:1px solid var(--line);
    border-radius:9px;overflow:hidden;background:#fff}
  .lang-wrap{display:none}
  .lang-opt{height:34px;padding:0 13px;border:0;background:none;font-size:13.5px;font-weight:600;
    color:var(--muted);font-family:inherit;white-space:nowrap}
  .lang-opt + .lang-opt{border-left:1px solid var(--line)}
  .lang-opt.on{background:var(--brand);color:#fff}

  .main-nav > a,
  .nav-categories > .nav-cat{
    flex:0 0 auto;               /* 关键：不被压缩，文字不会叠在一起 */
    white-space:nowrap;
    height:34px;
    padding:0 13px;
    display:inline-flex;
    align-items:center;
  }
  .nav-categories{
    flex:0 0 auto;               /* 让整条导航一起滚动，而不是只滚分类那一块 */
    overflow:visible;
    gap:4px;
  }
  .hero-slide{padding:32px 22px;min-height:260px}
  .hero-dots{left:22px;bottom:18px}
  .hero-arrow{display:none}
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .promise{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .float-tools{right:12px;bottom:16px}
  .float-btn span{display:none}
  .float-btn{width:48px;height:48px;padding:0;border-radius:50%;justify-content:center}
  .admin-main{padding:16px 14px 60px}
}

/* ==========================================================================
   新闻中心（静态页，利于搜索引擎收录）
   ========================================================================== */
.news-body{background:#f5f7fb}
.news-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.news-header-inner{display:flex;align-items:center;gap:24px;height:68px}
.news-nav{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.news-nav a{padding:7px 13px;border-radius:8px;font-size:14px;color:var(--ink-2)}
.news-nav a:hover{background:var(--brand-light);color:var(--brand)}
.news-main{padding:22px 24px 40px;max-width:1000px}

.news-hero{background:linear-gradient(120deg,#0a2f7d,#0f4cba);color:#fff;border-radius:16px;
  padding:30px 32px;margin-bottom:22px;box-shadow:var(--shadow-2)}
.news-hero h1{font-size:26px}
.news-hero p{margin-top:10px;color:rgba(255,255,255,.86);font-size:14.5px;max-width:46em}
.news-stats{display:flex;gap:22px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:rgba(255,255,255,.8)}
.news-stats b{color:#fff;font-family:var(--mono)}

.news-list{display:grid;gap:12px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;transition:.15s}
.news-card:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.news-card-title{display:block;font-size:16.5px;font-weight:600;line-height:1.5;color:var(--ink)}
.news-card-title:hover{color:var(--brand)}
.news-card p{margin-top:7px;font-size:13.5px;line-height:1.7}
.news-card-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:12.5px}

.news-article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 36px;box-shadow:var(--shadow-1)}
.news-article h1{font-size:24px;line-height:1.45;margin:10px 0 14px}
.news-article h2{font-size:17px;margin:26px 0 10px;padding-left:12px;border-left:4px solid var(--brand)}
.news-article p{font-size:15px;line-height:1.95;color:var(--ink-2)}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.news-lead{font-size:16px;color:var(--ink)!important;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 10px 10px 0;padding:16px 20px;margin-top:6px}
.news-source{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding-top:14px;
  border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.news-products{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin-top:12px}
.news-product{display:flex;flex-direction:column;gap:3px;border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;background:var(--brand-soft);transition:.15s}
.news-product:hover{border-color:var(--brand);background:#fff}
.news-product strong{font-family:var(--mono);font-size:13.5px;color:var(--brand-dark)}
.news-product span{font-size:12.5px;color:var(--muted);line-height:1.5}
.news-product em{font-style:normal;font-family:var(--mono);color:var(--accent);font-size:14px;margin-top:4px}
.news-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:26px;
  background:linear-gradient(120deg,#0a2f7d,#0f4cba);color:#fff;border-radius:14px;padding:20px 24px}
.news-cta .muted{color:rgba(255,255,255,.75)!important}
.news-cta-actions{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}
.news-cta .btn{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.news-cta .btn:hover{background:rgba(255,255,255,.24);color:#fff}
.news-cta .btn-brand{background:var(--accent);border-color:var(--accent)}
.news-related{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:9px}
.news-related li{display:flex;gap:12px;align-items:baseline;border-bottom:1px solid var(--line-2);padding-bottom:9px}
.news-related a{font-size:14.5px;color:var(--ink-2)}
.news-related a:hover{color:var(--brand)}
.news-related .muted{margin-left:auto;white-space:nowrap;font-size:12px}

/* 首页新闻条 */
.home-news{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.home-news a{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;transition:.15s}
.home-news a:hover{border-color:var(--brand);box-shadow:var(--shadow-2)}
.home-news strong{display:block;font-size:14.5px;line-height:1.55;font-weight:600}
.home-news span{display:block;margin-top:6px;font-size:12px;color:var(--muted)}

@media (max-width:720px){
  .news-article{padding:22px 18px}
  .news-hero{padding:22px 18px}
  .news-header-inner{height:auto;flex-wrap:wrap;padding:12px 0}
  .news-nav{margin-left:0}
  .news-cta-actions{margin-left:0}
}

/* 价格免责说明 */
.price-note{margin:0 0 12px;padding:8px 11px;background:var(--brand-soft);border-radius:9px;
  color:var(--ink-2);font-size:12.5px;line-height:1.55}
.cart-sum .price-note{margin-top:10px}

/* 页脚数据版本标记（排查缓存用） */
.data-ver{font-family:var(--mono);font-weight:600;color:var(--brand)}

/* 品牌要看得清：卡片上单独一个显眼的标签 */
.brand-chip{font-weight:700;color:var(--brand);background:var(--brand-light);border-color:var(--brand-light)}
.badge-brand-soft{background:var(--brand-light);color:var(--brand);font-weight:700}


/* ==========================================================================
   静态型号页 / 分类页（由 build_product_pages.py 生成的内容使用）
   ========================================================================== */
.prod-head{display:flex;gap:22px;flex-wrap:wrap;align-items:flex-start;margin-top:18px}
.prod-media{flex:0 0 240px;max-width:240px}
.prod-media img{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.prod-facts{flex:1;min-width:280px}
.prod-facts .tbl td:first-child{width:96px;color:var(--muted)}
.prod-price{font-family:var(--mono);color:var(--accent);font-size:19px;font-weight:600}
.faq{margin-top:12px;display:grid;gap:12px}
.faq-item{background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 10px 10px 0;padding:14px 18px}
.faq-item strong{display:block;font-size:15px;color:var(--brand-dark);margin-bottom:6px}
.faq-item p{margin:0;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.tag-list{display:flex;gap:8px;flex-wrap:wrap;padding:0;margin:12px 0 0;list-style:none}
.tag-list li{background:var(--brand-light);color:var(--brand-dark);border-radius:999px;
  padding:4px 12px;font-size:12.5px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin-top:12px}
.cat-card{display:flex;flex-direction:column;gap:5px;border:1px solid var(--line);border-radius:10px;
  padding:13px 15px;background:var(--brand-soft);transition:.15s}
.cat-card:hover{border-color:var(--brand);background:#fff}
.cat-card strong{font-size:14.5px;color:var(--brand-dark)}
.cat-card span{font-size:12.5px;color:var(--muted);line-height:1.5}
.note{background:var(--warn-bg);border-left:4px solid var(--warn);border-radius:0 10px 10px 0;
  padding:12px 16px;font-size:13.5px;line-height:1.8;color:var(--ink-2);margin-top:20px}
@media (max-width:720px){
  .prod-media{flex:0 0 100%;max-width:100%}
  .news-article{padding:22px 18px}
}

/* 选型指南 */
.guide-tag{display:inline-block;font-size:12px;color:var(--brand);background:var(--brand-soft,#e8f0ff);border-radius:99px;padding:3px 10px;margin:0 0 10px}
.guide-list li{margin-bottom:14px;line-height:1.7}

/* 仅供屏幕阅读器与爬虫的隐藏文本 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* BOM 页：离线模式下的醒目提示条 */
.offline-warn{background:#fff4e5;border:1px solid #f0a83c;color:#8a4b00;border-radius:10px;padding:12px 16px;margin:0 0 18px;font-size:14px;line-height:1.6}

/* 后台：有新消息时右下角的小弹窗 */
.notify-popup{position:fixed;right:22px;bottom:96px;width:340px;background:var(--panel,#fff);
  border:1px solid var(--line,#e5e8ef);border-radius:14px;padding:14px 16px 12px;z-index:90;
  box-shadow:0 14px 38px rgba(15,23,42,.24),0 0 0 3px rgba(15,76,186,.10);
  animation:npIn .22s ease}
.notify-popup .np-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;
  font-size:16px;font-weight:700;color:var(--ink,#111827);margin-bottom:8px}
.notify-popup .np-line{font-size:13.5px;color:var(--muted,#6b7280);line-height:1.7;word-break:break-all}
.notify-popup .np-line b{color:var(--ink,#111827)}
.notify-popup .np-foot{margin-top:12px;display:flex;gap:8px}
.notify-popup .np-close{background:none;border:0;color:var(--muted-2,#9aa3af);font-size:18px;
  line-height:1;cursor:pointer;padding:0 2px}
.notify-popup .np-close:hover{color:var(--ink,#111827)}
@keyframes npIn{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}