/* ==========================================================================
   砺界科技 Lijie Technology — independent storefront stylesheet
   Design system: light commerce surface + dark brand chrome
   ========================================================================== */

/* ------------------------------------------------------------------ tokens */
:root{
  --bg:#FFFFFF;
  --bg-soft:#F5F6F8;
  --bg-sunken:#EDEFF3;
  --ink:#0A1120;
  --ink-2:#131C2E;
  --ink-3:#1E2A42;
  --line:#E3E6EB;
  --line-2:#D3D8E0;
  --txt:#131A25;
  --txt-2:#3D4757;
  --mut:#5D6879;
  --mut-2:#8B94A3;
  --accent:#E4412B;
  --accent-d:#C62F1B;
  --accent-s:#FEF1EE;
  --ok:#0E7C4F;
  --ok-s:#E8F6EF;
  --warn:#9A5B00;
  --warn-s:#FDF4E5;
  --info:#1B5AC4;
  --info-s:#EDF3FD;
  --star:#F5A524;
  --r:12px;
  --r-sm:8px;
  --r-lg:18px;
  --sh-1:0 1px 2px rgba(16,24,40,.06);
  --sh-2:0 4px 14px rgba(16,24,40,.08);
  --sh-3:0 14px 40px rgba(16,24,40,.14);
  --maxw:1280px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--font);font-size:15.5px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:680;letter-spacing:-.012em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
hr{border:0;border-top:1px solid var(--line);margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ------------------------------------------------------- language switch */
html[data-lang="zh"] .en{display:none !important}
html[data-lang="en"] .zh{display:none !important}

/* labels that depend on the back-office pricing mode (询价制 vs 固定标价) */
body.pm-fixed .when-quote{display:none !important}
body:not(.pm-fixed) .when-fixed{display:none !important}

/* ---------------------------------------------------------------- layout */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.section--sm{padding:44px 0}
.section--soft{background:var(--bg-soft)}
.section--sunken{background:var(--bg-sunken)}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(23px,2.9vw,34px)}
.sec-head p{color:var(--mut);margin-top:12px;font-size:16px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.sec-head-row .sec-head{margin-bottom:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px}
.on-dark{color:#fff}
.on-dark .eyebrow{color:#FF8A70}
.on-dark .eyebrow::before{background:#FF8A70}
.on-dark p{color:#B7C1D2}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* --------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:640;cursor:pointer;transition:.16s ease;white-space:nowrap;
  line-height:1.35;
}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}
.btn-outline{border-color:var(--line-2);background:#fff;color:var(--txt)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink)}
.btn-ghost{background:var(--bg-soft);color:var(--txt-2)}
.btn-ghost:hover{background:var(--bg-sunken)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.2)}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:7px}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.link-more{font-size:14.5px;font-weight:640;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.link-more::after{content:"→";transition:.15s}
.link-more:hover::after{transform:translateX(3px)}

/* --------------------------------------------------------------- badges */
.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;
  letter-spacing:.03em;text-transform:uppercase;padding:3px 8px;border-radius:5px;
  border:1px solid transparent;white-space:nowrap;
}
.badge--hot{background:var(--accent);color:#fff}
.badge--new{background:var(--ink);color:#fff}
.badge--f{background:var(--info-s);color:var(--info);border-color:#D3E2FA}
.badge--p{background:var(--warn-s);color:var(--warn);border-color:#F3E0BE}
.badge--soft{background:var(--bg-sunken);color:var(--mut)}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:640;
  padding:4px 11px;border-radius:99px;background:var(--bg-sunken);color:var(--mut);
}
.pill--ok{background:var(--ok-s);color:var(--ok)}
.pill--warn{background:var(--warn-s);color:var(--warn)}
.pill--accent{background:var(--accent-s);color:var(--accent)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.stars{display:inline-flex;gap:2px;color:var(--star)}
.stars svg{width:13px;height:13px;fill:currentColor}
.stars .off{color:var(--line-2)}

/* ---------------------------------------------------------------- promo */
.promo-bar{background:var(--ink);color:#C9D2E1;font-size:13.5px}
.promo-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.promo-track{position:relative;flex:1;overflow:hidden}
.promo-item{display:flex;align-items:center;gap:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.promo-item svg{width:15px;height:15px;stroke:var(--star);flex:none}
.promo-item strong{color:#fff;font-weight:660}
.promo-links{display:flex;gap:18px;flex:none}
.promo-links a:hover{color:#fff}

/* --------------------------------------------------------------- header */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);color:#fff}
.header-main{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;color:#fff}
.brand-sub{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:#7E8BA1}

.search-bar{flex:1;display:flex;max-width:520px;background:#fff;border-radius:var(--r-sm);overflow:hidden}
.search-bar select{
  border:0;background:var(--bg-soft);color:var(--txt-2);padding:0 12px;font-size:13.5px;
  border-right:1px solid var(--line);max-width:150px;cursor:pointer;
}
/* ⚠️ color 和 background 必须显式写，不能靠继承。
   全局规则（第 50 行）button,input,select,textarea{color:inherit} 会让输入框
   继承外层容器的文字色 —— 而 .site-header 和 .newsletter 都是白字深底，
   这两个输入框却各自坐在白色底上。不写死的话就是白字白底，
   买家打了一串型号却什么都看不见（线上就是这个问题）。
   凡是「深色容器里放浅色输入框」的地方，都要照这个写法重复一遍。 */
.search-bar input{
  flex:1;border:0;padding:11px 14px;font-size:14.5px;outline:none;min-width:80px;
  color:var(--txt);background:#fff;
}
.search-bar input::placeholder{color:var(--mut-2)}
.nl-form input::placeholder{color:var(--mut-2)}
.search-bar button{
  border:0;background:var(--accent);color:#fff;padding:0 18px;cursor:pointer;display:flex;
  align-items:center;gap:7px;font-weight:640;font-size:14.5px;
}
.search-bar button:hover{background:var(--accent-d)}
.search-bar button svg{width:17px;height:17px}

.header-actions{display:flex;align-items:center;gap:6px;flex:none}
.icon-btn{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:7px 11px;border-radius:var(--r-sm);color:#C9D2E1;background:none;border:0;
  cursor:pointer;font-size:11.5px;transition:.15s;
}
.icon-btn:hover{background:rgba(255,255,255,.09);color:#fff}
.icon-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7}
.icon-btn .count{
  position:absolute;top:2px;right:4px;min-width:17px;height:17px;border-radius:99px;
  background:var(--accent);color:#fff;font-size:10.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;padding:0 4px;
}
.lang-switch{display:flex;border:1px solid rgba(255,255,255,.22);border-radius:7px;overflow:hidden;margin-left:4px}
.lang-switch button{
  background:none;border:0;padding:6px 10px;font-size:12px;font-weight:650;color:#A9B4C6;cursor:pointer;
}
.lang-switch button.on{background:#fff;color:var(--ink)}
.nav-toggle{
  display:none;background:none;border:1px solid rgba(255,255,255,.22);border-radius:7px;
  width:40px;height:38px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:17px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span{position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

.header-nav{border-top:1px solid rgba(255,255,255,.1)}
.header-nav .container{display:flex;align-items:center;gap:2px;height:46px}
.nav-item{position:relative}
.nav-link{
  display:flex;align-items:center;gap:6px;padding:8px 13px;border-radius:7px;
  font-size:14.5px;font-weight:600;color:#D5DCE8;cursor:pointer;background:none;border:0;
}
.nav-link:hover,.nav-item:hover .nav-link{background:rgba(255,255,255,.1);color:#fff}
.nav-link .chev{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2.4;opacity:.7}
.nav-spacer{flex:1}
.nav-side{display:flex;align-items:center;gap:16px;font-size:13.5px;color:#9DA9BC}
.nav-side a:hover{color:#fff}

.mega{
  display:none;position:absolute;top:100%;left:0;background:#fff;color:var(--txt);
  border:1px solid var(--line);border-radius:0 0 var(--r) var(--r);box-shadow:var(--sh-3);
  padding:22px;min-width:520px;z-index:90;
}
.nav-item:hover .mega,.mega:hover{display:block}
.mega-cols{display:grid;grid-template-columns:repeat(3,minmax(150px,1fr));gap:8px 26px}
.mega h5{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut-2);margin-bottom:10px;font-weight:700}
.mega li a{display:flex;justify-content:space-between;gap:12px;padding:6px 0;font-size:14.5px;border-radius:6px}
.mega li a:hover{color:var(--accent)}
.mega li a span{color:var(--mut-2);font-size:13px}

.mobile-nav{
  display:none;position:absolute;top:100%;left:0;right:0;background:var(--ink);
  border-top:1px solid rgba(255,255,255,.12);padding:14px 22px 22px;max-height:78vh;overflow:auto;
}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);color:#D5DCE8;font-size:15px}
.mobile-nav a:last-child{border-bottom:0}

/* ---------------------------------------------------------------- hero */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(80% 120% at 8% 0%,rgba(228,65,43,.34),transparent 58%),
             linear-gradient(180deg,rgba(10,17,32,.62),rgba(10,17,32,.9));
}
.hero .container{position:relative;z-index:1;padding:74px 22px 66px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,50px);letter-spacing:-.026em}
.hero h1 .hl{color:#FF8566}
.hero-lead{margin-top:18px;font-size:17px;color:#BAC4D5;max-width:600px}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r);overflow:hidden;margin-top:44px}
.hero-stat{background:rgba(10,17,32,.78);padding:18px 20px}
.hero-stat b{display:block;font-size:24px;letter-spacing:-.02em}
.hero-stat span{font-size:12.5px;color:#9DA9BC}

/* hero feature slide (mirrors market B2B hero) */
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:26px;backdrop-filter:blur(8px)}
.hero-card .hc-tag{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#FF8A70;font-weight:700}
.hero-card h3{font-size:21px;margin-top:8px;font-family:var(--mono);letter-spacing:-.02em}
.hero-card .hc-sub{font-size:13.5px;color:#9DA9BC;margin-top:2px}
.hero-specs{margin-top:18px;display:grid;gap:9px}
.hero-specs li{display:flex;gap:10px;font-size:14px;color:#CDD5E3;align-items:flex-start}
.hero-specs li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);margin-top:8px;flex:none}
.hero-card .btn{margin-top:20px}
.hero-dots{display:flex;gap:7px;margin-top:22px}
.hero-dots button{width:8px;height:8px;border-radius:99px;border:0;background:rgba(255,255,255,.3);cursor:pointer;padding:0}
.hero-dots button.on{background:#fff;width:22px}

/* ------------------------------------------------------------- trustbar */
.trustbar{background:#fff;border-bottom:1px solid var(--line)}
.trustbar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.trust-item{background:#fff;display:flex;gap:13px;align-items:center;padding:20px 22px}
.trust-item .ti-ico{width:38px;height:38px;border-radius:10px;background:var(--accent-s);
  display:flex;align-items:center;justify-content:center;flex:none}
.trust-item .ti-ico svg{width:19px;height:19px;stroke:var(--accent);fill:none;stroke-width:1.9}
.trust-item h4{font-size:14.5px}
.trust-item p{font-size:12.8px;color:var(--mut)}

/* ---------------------------------------------------------- category tiles */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tile{
  position:relative;display:block;border:1px solid var(--line);border-radius:var(--r);
  background:#fff;padding:22px;transition:.18s ease;overflow:hidden;
}
.tile:hover{border-color:var(--ink);box-shadow:var(--sh-2);transform:translateY(-2px)}
.tile .t-ico{width:42px;height:42px;border-radius:11px;background:var(--ink);display:flex;
  align-items:center;justify-content:center;margin-bottom:15px}
.tile .t-ico svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.8}
.tile h3{font-size:16px}
.tile p{font-size:13.5px;color:var(--mut);margin-top:6px}
.tile .t-go{font-size:13px;font-weight:650;color:var(--accent);margin-top:14px;display:block}

/* --------------------------------------------------------- product cards */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pgrid--3{grid-template-columns:repeat(3,1fr)}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:.18s ease;
}
.pcard:hover{border-color:var(--line-2);box-shadow:var(--sh-3)}
.pc-media{position:relative;aspect-ratio:4/3;background:var(--bg-soft);overflow:hidden}
.pc-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pcard:hover .pc-media img{transform:scale(1.045)}
.pc-flags{position:absolute;top:10px;left:10px;display:flex;flex-direction:column;gap:5px;align-items:flex-start}
.pc-wish{
  position:absolute;top:9px;right:9px;width:31px;height:31px;border-radius:50%;
  background:rgba(255,255,255,.94);border:1px solid var(--line);display:flex;align-items:center;
  justify-content:center;cursor:pointer;transition:.15s;
}
.pc-wish svg{width:15px;height:15px;stroke:var(--mut);fill:none;stroke-width:1.9}
.pc-wish:hover svg,.pc-wish.on svg{stroke:var(--accent);fill:var(--accent)}
.pc-body{padding:16px;display:flex;flex-direction:column;flex:1}
.pc-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--mut-2)}
.pc-rate{display:flex;align-items:center;gap:5px}
.pc-title{font-size:15.5px;font-weight:680;margin-top:7px;letter-spacing:-.01em}
.pc-title a:hover{color:var(--accent)}
.pc-sub{font-size:12.5px;color:var(--mut);margin-top:2px}
.pc-chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:11px}
.chip{font-size:11.5px;padding:3px 8px;border-radius:5px;background:var(--bg-soft);
  color:var(--txt-2);border:1px solid var(--line);font-family:var(--mono)}
.pc-price{margin-top:auto;padding-top:14px;display:flex;align-items:flex-end;justify-content:space-between;gap:10px}
.pc-price .amt{font-size:19px;font-weight:700;letter-spacing:-.02em}
.pc-price .amt small{font-size:12px;font-weight:600;color:var(--mut)}
.pc-price .was{font-size:13px;color:var(--mut-2);text-decoration:line-through;margin-right:6px}
.pc-price .ask{font-size:14.5px;font-weight:680;color:var(--accent)}
.pc-stock{font-size:12.5px;font-weight:640;display:flex;align-items:center;gap:5px;color:var(--ok)}
.pc-stock.low{color:var(--warn)}
.pc-stock.out{color:var(--mut-2)}
.pc-actions{display:flex;gap:8px;margin-top:13px}
.pc-actions .btn{flex:1}

/* --------------------------------------------------------- series tiles */
.series-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.series-tile{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--ink)}
.series-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.series-tile .st-body{position:relative;z-index:1;padding:26px;color:#fff;min-height:210px;display:flex;flex-direction:column}
.series-tile h3{font-size:20px;font-family:var(--mono)}
.series-tile .st-code{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#FF8A70;font-weight:700}
.series-tile p{font-size:13.8px;color:#C6CEDC;margin-top:10px}
.series-tile .st-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:18px}
.series-tile .st-foot span{font-size:13px;color:#9DA9BC}
.series-tile:hover{border-color:var(--accent)}

/* ------------------------------------------------------------- testimonials */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.tcard .t-quote{font-size:15px;color:var(--txt-2);line-height:1.72}
.tcard .t-foot{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;display:flex;
  align-items:center;justify-content:center;font-size:13.5px;font-weight:700;flex:none}
.tcard .t-name{font-size:14px;font-weight:670}
.tcard .t-meta{font-size:12.5px;color:var(--mut-2)}

/* ----------------------------------------------------------------- stats */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stat-cell{background:#fff;padding:22px}
.stat-cell b{font-size:26px;display:block;letter-spacing:-.02em}
.stat-cell span{font-size:13px;color:var(--mut)}

/* ---------------------------------------------------------------- notice */
.band{
  border:1px solid var(--line);border-radius:var(--r);padding:28px;
  background:linear-gradient(135deg,var(--accent-s),#fff 52%);
}
.band--ok{background:linear-gradient(135deg,var(--ok-s),#fff 52%)}
.band--dark{background:var(--ink);border-color:var(--ink);color:#fff}
.band--dark p{color:#B7C1D2}
.band h3{font-size:19px;margin-bottom:9px}
.band p{color:var(--mut);font-size:14.8px}
.band-row{display:flex;align-items:center;gap:26px;justify-content:space-between;flex-wrap:wrap}
.callout{
  display:flex;gap:12px;padding:15px 18px;border-radius:var(--r-sm);font-size:14.2px;
  background:var(--info-s);border:1px solid #D3E2FA;color:#22456F;
}
.callout--warn{background:var(--warn-s);border-color:#F0DCB6;color:#6B4400}
.callout--ok{background:var(--ok-s);border-color:#C6E6D6;color:#155C3E}
.callout svg{width:17px;height:17px;flex:none;margin-top:3px;stroke:currentColor;fill:none;stroke-width:1.9}

/* ------------------------------------------------------------------ cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.18s ease}
.card h3{font-size:16.5px;margin-bottom:9px}
.card p{color:var(--mut);font-size:14.5px}
.icon-badge{width:42px;height:42px;border-radius:11px;background:var(--accent-s);display:flex;
  align-items:center;justify-content:center;margin-bottom:15px}
.icon-badge svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:1.9}
.icon-badge--ok{background:var(--ok-s)}
.icon-badge--ok svg{stroke:var(--ok)}

/* ------------------------------------------------------------------ steps */
.steps{display:grid;gap:0}
.step{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
.step:last-child{border-bottom:0}
.step-num{width:40px;height:40px;border-radius:11px;background:var(--ink);color:#fff;display:flex;
  align-items:center;justify-content:center;font-family:var(--mono);font-size:14px;font-weight:700}
.step h3{font-size:16px;margin-bottom:6px}
.step p{color:var(--mut);font-size:14.3px}
.step .tagline{font-size:12.5px;color:var(--mut-2);margin-top:6px;font-family:var(--mono)}

/* --------------------------------------------------------------- check/cross */
.check-list li,.cross-list li{display:flex;gap:11px;padding:10px 0;font-size:14.8px;color:var(--txt-2);align-items:flex-start}
.check-list li::before{
  content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;background:var(--ok-s)
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E7C4F' stroke-width='3.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/10px no-repeat;
}
.cross-list li::before{
  content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;background:var(--accent-s)
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E4412B' stroke-width='3.6' stroke-linecap='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E") center/9px no-repeat;
}

/* ------------------------------------------------------------------ table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14.2px;min-width:680px}
thead th{text-align:left;padding:12px 16px;background:var(--bg-soft);color:var(--mut);
  font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;font-weight:700;
  border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--txt-2)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#FAFBFC}
td.mono,.mono{font-family:var(--mono);font-size:13.4px}
.spec-tbl th:first-child,.spec-tbl td:first-child{font-weight:640;color:var(--txt)}
.spec-tbl{min-width:420px}

/* ------------------------------------------------------------------- faq */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:18px 0;cursor:pointer;
  display:flex;justify-content:space-between;gap:18px;align-items:center;font-size:15.5px;font-weight:660}
.faq-q::after{content:"+";color:var(--accent);font-size:20px;font-weight:400;flex:none;line-height:1}
.faq-item.open .faq-q::after{content:"–"}
.faq-a{display:none;padding:0 0 20px;color:var(--mut);font-size:14.6px;max-width:880px}
.faq-item.open .faq-a{display:block}

/* ---------------------------------------------------------------- forms */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13.5px;color:var(--txt-2);font-weight:620}
.field .req{color:var(--accent)}
.field input,.field select,.field textarea{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-sm);
  padding:10px 13px;font-size:14.5px;outline:none;transition:.15s;width:100%;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(10,17,32,.07)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235D6879' stroke-width='2.4'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;background-size:15px;padding-right:34px}
.field .hint{font-size:12.5px;color:var(--mut-2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.consent{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;color:var(--mut);line-height:1.6}
.consent input{width:17px;height:17px;margin-top:3px;accent-color:var(--accent);flex:none}
.form-note{font-size:12.8px;color:var(--mut-2);margin-top:12px}
.form-msg{display:none;margin-top:14px;padding:12px 15px;border-radius:var(--r-sm);font-size:14px;
  background:var(--ok-s);border:1px solid #C6E6D6;color:#155C3E}
.form-msg.show{display:block}
.form-msg.err{background:var(--accent-s);border-color:#F6CFC7;color:#8E2413}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}

/* ------------------------------------------------------------- newsletter */
.newsletter{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:40px;
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.newsletter h3{font-size:24px}
.newsletter p{color:#B7C1D2;font-size:14.5px;margin-top:9px}
.nl-form{display:flex;gap:9px}
/* 同上：.newsletter 是深色底 + 白字，这个输入框自己是白底，
   不写死 color 就会变成白字白底 */
.nl-form input{
  flex:1;border:0;border-radius:var(--r-sm);padding:12px 15px;font-size:14.5px;outline:none;
  color:var(--txt);background:#fff;
}
.nl-note{font-size:12.5px;color:#8B96A8;margin-top:10px}

/* --------------------------------------------------------------- toast */
.toast-wrap{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;flex-direction:column;gap:9px}
.toast{
  background:var(--ink);color:#fff;padding:12px 16px;border-radius:var(--r-sm);
  box-shadow:var(--sh-3);font-size:14px;display:flex;align-items:center;gap:10px;
  animation:toast-in .22s ease;max-width:320px;
}
.toast svg{width:17px;height:17px;stroke:#6FE0AC;fill:none;stroke-width:2.4;flex:none}
@keyframes toast-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ------------------------------------------------------------------- misc */
.muted{color:var(--mut)}
.small{font-size:13.4px}
.mt-0{margin-top:0}.mt-8{margin-top:8px}.mt-14{margin-top:14px}.mt-20{margin-top:20px}
.mt-28{margin-top:28px}.mt-36{margin-top:36px}.mb-0{margin-bottom:0}
.divider{height:1px;background:var(--line);margin:40px 0}
.thumb{width:100%;height:132px;object-fit:contain;margin-bottom:14px}
.src-list li{font-size:13.5px;color:var(--mut);padding:9px 0;border-bottom:1px solid var(--line)}
.src-list li:last-child{border-bottom:0}
.src-list a{color:var(--info);word-break:break-all}
.disclaimer{margin-top:22px;padding:16px 18px;border-radius:var(--r-sm);background:var(--bg-soft);
  border:1px solid var(--line);font-size:12.6px;color:var(--mut);line-height:1.72}

/* --------------------------------------------------------------- footer */
.site-footer{background:var(--ink);color:#A9B4C6;padding:56px 0 24px;font-size:14.3px}
.footer-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr .95fr 1.75fr;gap:30px}
.footer-addr{line-height:1.6;display:inline-block}
.footer-grid h4{font-size:12px;letter-spacing:.11em;text-transform:uppercase;color:#fff;margin-bottom:15px;font-weight:700}
.footer-grid li{padding:5px 0}
.footer-grid a:hover{color:#fff}
.footer-about p{margin-top:15px;font-size:13.8px;color:#8B96A8;max-width:300px}
.footer-contact li{display:flex;gap:9px;align-items:flex-start}
.footer-contact svg{width:15px;height:15px;stroke:#6F7C90;fill:none;stroke-width:1.9;margin-top:4px;flex:none}
.footer-pay{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.pay-chip{height:26px;padding:0 9px;border-radius:5px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;font-size:10.5px;
  font-weight:700;letter-spacing:.04em;color:#C9D2E1}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.8px;color:#7E8BA1}
.footer-policies{display:flex;gap:16px;flex-wrap:wrap}
.footer-policies a:hover{color:#fff}
.site-footer .disclaimer{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);
  color:#8B96A8;margin-top:26px}

/* --------------------------------------------------------- page hero + crumbs */
.breadcrumb{font-size:13px;color:var(--mut-2);padding:16px 0}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 7px;opacity:.55}
.crumbs{font-size:13px;color:var(--mut-2);margin-bottom:14px}
.crumbs a:hover{color:var(--accent)}
.crumbs span{margin:0 7px;opacity:.55}

.page-hero{background:var(--bg-soft);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero .ph-bg{position:absolute;inset:0;z-index:0}
.page-hero .ph-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.page-hero .ph-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(245,246,248,.97) 38%,rgba(245,246,248,.55))}
.page-hero .container{position:relative;z-index:1;padding:44px 22px 40px}
.page-hero h1{font-size:clamp(25px,3.3vw,38px)}
.page-hero p{color:var(--mut);margin-top:12px;max-width:700px;font-size:15.8px}
.page-hero .ph-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}

/* --------------------------------------------------------- shop / collection */
.shop-layout{display:grid;grid-template-columns:258px 1fr;gap:32px;align-items:start}
.filters{position:sticky;top:130px}
.filter-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:14px}
.filter-card h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut-2);
  font-weight:700;margin-bottom:12px}
.filter-opt{display:flex;align-items:center;gap:9px;padding:6px 0;font-size:14.3px;cursor:pointer;color:var(--txt-2)}
.filter-opt input{width:16px;height:16px;accent-color:var(--accent);flex:none;cursor:pointer}
.filter-opt .cnt{margin-left:auto;font-size:12.5px;color:var(--mut-2)}
.filter-opt:hover{color:var(--txt)}
.range-row{display:flex;gap:8px;align-items:center}
.range-row input{width:100%;border:1px solid var(--line-2);border-radius:6px;padding:7px 9px;font-size:13.5px;outline:none}
.filter-clear{font-size:13px;color:var(--accent);font-weight:640;cursor:pointer;background:none;border:0;padding:0}
.sortbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);margin-bottom:20px}
.sortbar .res{font-size:14px;color:var(--mut)}
.sortbar .res b{color:var(--txt)}
.sortbar .spacer{flex:1}
.view-toggle{display:flex;border:1px solid var(--line-2);border-radius:7px;overflow:hidden}
.view-toggle button{background:#fff;border:0;padding:7px 10px;cursor:pointer;display:flex;align-items:center}
.view-toggle button.on{background:var(--ink)}
.view-toggle svg{width:15px;height:15px;stroke:var(--txt-2);fill:none;stroke-width:2}
.view-toggle button.on svg{stroke:#fff}
.select-min{border:1px solid var(--line-2);border-radius:7px;padding:7px 30px 7px 11px;font-size:13.8px;
  background:#fff;appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235D6879' stroke-width='2.4'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;background-size:14px}
.active-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.af-chip{display:inline-flex;align-items:center;gap:7px;font-size:12.8px;padding:4px 10px;
  border-radius:99px;background:var(--bg-sunken);color:var(--txt-2)}
.af-chip button{background:none;border:0;cursor:pointer;color:var(--mut-2);font-size:15px;line-height:1;padding:0}
.pager{display:flex;gap:6px;justify-content:center;align-items:center;margin-top:34px;flex-wrap:wrap}
.pager button{min-width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line-2);
  background:#fff;cursor:pointer;font-size:14px;font-weight:640;color:var(--txt-2)}
.pager button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.pager button:hover:not(.on){border-color:var(--ink)}
.empty-state{padding:64px 24px;text-align:center;border:1px dashed var(--line-2);border-radius:var(--r);background:#fff}
.empty-state svg{width:42px;height:42px;stroke:var(--mut-2);fill:none;stroke-width:1.5;margin:0 auto 16px}
.empty-state h3{font-size:18px}
.empty-state p{color:var(--mut);font-size:14.5px;margin-top:8px}
.filter-mobile-btn{display:none}

/* ------------------------------------------------------------------- PDP */
.pdp{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:44px;align-items:start}
.gallery{position:sticky;top:130px}
.g-main{position:relative;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r);
  aspect-ratio:1/1;overflow:hidden;display:flex;align-items:center;justify-content:center}
.g-main img{width:100%;height:100%;object-fit:cover}
.g-main .g-zoom{position:absolute;right:12px;bottom:12px;width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.94);border:1px solid var(--line);display:flex;align-items:center;
  justify-content:center;cursor:pointer}
.g-main .g-zoom svg{width:16px;height:16px;stroke:var(--txt-2);fill:none;stroke-width:1.9}
.g-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:10px}
.g-thumbs button{padding:0;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
  background:var(--bg-soft);cursor:pointer;aspect-ratio:1/1}
.g-thumbs button.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-s)}
.g-thumbs img{width:100%;height:100%;object-fit:cover}
.g-trust{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:16px}
.g-trust div{background:#fff;padding:13px 14px;font-size:12.8px;color:var(--mut);display:flex;gap:8px;align-items:center}
.g-trust svg{width:15px;height:15px;stroke:var(--ok);fill:none;stroke-width:2.2;flex:none}

.pdp-info h1{font-size:clamp(24px,2.9vw,33px);letter-spacing:-.022em}
.pdp-model-code{font-family:var(--mono);font-size:13px;color:var(--mut-2);margin-top:6px}
.pdp-rating{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13.5px;color:var(--mut)}
.pdp-price-box{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-soft)}
.pdp-price{font-size:29px;font-weight:720;letter-spacing:-.025em;display:flex;align-items:baseline;gap:10px}
.pdp-price small{font-size:13.5px;font-weight:600;color:var(--mut)}
.pdp-price .was{font-size:16px;color:var(--mut-2);text-decoration:line-through}
.pdp-price .ask{font-size:21px;color:var(--accent)}
.pdp-price-note{font-size:13px;color:var(--mut);margin-top:7px}
.tier-tbl{width:100%;min-width:0;margin-top:14px;font-size:13.6px}
.tier-tbl td{padding:8px 12px;border-bottom:1px solid var(--line)}
.tier-tbl tr:last-child td{border-bottom:0}

.opt-row{margin-top:20px}
.opt-row .lbl{font-size:13.5px;font-weight:640;color:var(--txt-2);margin-bottom:8px;display:block}
.opt-group{display:flex;gap:8px;flex-wrap:wrap}
.opt{border:1px solid var(--line-2);background:#fff;border-radius:var(--r-sm);padding:8px 13px;
  font-size:13.8px;cursor:pointer;transition:.15s}
.opt:hover{border-color:var(--ink)}
.opt.on{border-color:var(--accent);background:var(--accent-s);color:var(--accent-d);font-weight:640}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:var(--r-sm);overflow:hidden;background:#fff}
.qty button{width:38px;height:44px;border:0;background:#fff;cursor:pointer;font-size:17px;color:var(--txt-2)}
.qty button:hover{background:var(--bg-soft)}
.qty input{width:56px;height:44px;border:0;text-align:center;font-size:15px;font-weight:640;outline:none}
.pdp-buy{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.pdp-buy .btn{flex:1;min-width:180px}
.pdp-buy .btn-icon{flex:none;width:48px;padding:0}
.usp{margin-top:22px;border-top:1px solid var(--line);padding-top:18px;display:grid;gap:10px}
.usp li{display:flex;gap:10px;font-size:14px;color:var(--txt-2);align-items:flex-start}
.usp svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:2;flex:none;margin-top:3px}
.pdp-meta-grid{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.pdp-meta-grid div{background:#fff;padding:12px 14px}
.pdp-meta-grid dt{font-size:11.5px;color:var(--mut-2);letter-spacing:.05em;text-transform:uppercase}
.pdp-meta-grid dd{margin:3px 0 0;font-size:14.2px;font-weight:620}

.tabs-nav{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:26px;overflow-x:auto}
.tab-btn{background:none;border:0;border-bottom:2px solid transparent;padding:13px 18px;cursor:pointer;
  font-size:15px;font-weight:640;color:var(--mut);white-space:nowrap}
.tab-btn:hover{color:var(--txt)}
.tab-btn.on{color:var(--txt);border-bottom-color:var(--accent)}
.tab-panel{display:none}
.tab-panel.on{display:block}
.sellpoints{display:grid;gap:16px}
.sp-item{display:flex;gap:14px;align-items:flex-start}
.sp-item .sp-n{width:30px;height:30px;border-radius:9px;background:var(--ink);color:#fff;display:flex;
  align-items:center;justify-content:center;font-size:13px;font-family:var(--mono);flex:none}
.sp-item h4{font-size:15.5px;margin-bottom:4px}
.sp-item p{font-size:14.2px;color:var(--mut)}
.pdp-sticky{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;
  border-top:1px solid var(--line);padding:11px 18px;box-shadow:0 -6px 22px rgba(16,24,40,.1)}
.pdp-sticky .row{display:flex;align-items:center;gap:12px}
.pdp-sticky .t{font-size:14.5px;font-weight:680;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ------------------------------------------------------------------ cart */
.cart-layout{display:grid;grid-template-columns:1fr 350px;gap:30px;align-items:start}
.cart-line{display:grid;grid-template-columns:92px 1fr auto;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}
.cart-line:last-child{border-bottom:0}
.cart-line .cl-img{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;aspect-ratio:1/1}
.cart-line .cl-img img{width:100%;height:100%;object-fit:cover}
.cart-line h4{font-size:15.5px}
.cart-line .cl-sub{font-size:12.8px;color:var(--mut-2);margin-top:3px}
.cart-line .cl-opts{font-size:13px;color:var(--mut);margin-top:6px;display:flex;gap:12px;flex-wrap:wrap}
.cart-line .cl-ctrl{display:flex;align-items:center;gap:14px;margin-top:12px;flex-wrap:wrap}
.cart-line .cl-remove{background:none;border:0;cursor:pointer;color:var(--mut-2);font-size:13px;
  text-decoration:underline;padding:0}
.cart-line .cl-remove:hover{color:var(--accent)}
.cart-line .cl-price{text-align:right;font-size:16px;font-weight:700;white-space:nowrap}
.cart-line .cl-price small{display:block;font-size:12px;font-weight:600;color:var(--mut-2)}
.summary{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;position:sticky;top:130px}
.summary h3{font-size:17px;margin-bottom:16px}
.sum-row{display:flex;justify-content:space-between;gap:14px;padding:8px 0;font-size:14.4px;color:var(--txt-2)}
.sum-row.total{border-top:1px solid var(--line);margin-top:10px;padding-top:14px;font-size:18px;font-weight:720;color:var(--txt)}
.coupon{display:flex;gap:8px;margin:14px 0 6px}
.coupon input{flex:1;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:9px 12px;font-size:14px;outline:none}
.cart-note{font-size:12.8px;color:var(--mut-2);margin-top:12px;line-height:1.65}
.cart-trust{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:9px}
.cart-trust li{display:flex;gap:9px;font-size:13.2px;color:var(--mut);align-items:center}
.cart-trust svg{width:15px;height:15px;stroke:var(--ok);fill:none;stroke-width:2.2;flex:none}

/* -------------------------------------------------------------- checkout */
.steps-bar{display:flex;align-items:center;gap:0;margin-bottom:34px;flex-wrap:wrap}
.steps-bar .sb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--mut-2)}
.steps-bar .sb .n{width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);display:flex;
  align-items:center;justify-content:center;font-size:12.5px;font-weight:700;background:#fff}
.steps-bar .sb.on{color:var(--txt);font-weight:660}
.steps-bar .sb.on .n{background:var(--accent);border-color:var(--accent);color:#fff}
.steps-bar .sb.done .n{background:var(--ok);border-color:var(--ok);color:#fff}
.steps-bar .ln{flex:1;min-width:26px;height:1px;background:var(--line-2);margin:0 14px}
.checkout-layout{display:grid;grid-template-columns:1fr 380px;gap:30px;align-items:start}
.co-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;margin-bottom:18px}
.co-card h3{font-size:16.5px;margin-bottom:4px}
.co-card .co-sub{font-size:13.2px;color:var(--mut-2);margin-bottom:18px}
.pay-opt{display:flex;gap:13px;align-items:flex-start;padding:14px;border:1px solid var(--line-2);
  border-radius:var(--r-sm);cursor:pointer;margin-bottom:9px;transition:.15s}
.pay-opt:hover{border-color:var(--ink)}
.pay-opt.on{border-color:var(--accent);background:var(--accent-s)}
.pay-opt input{width:17px;height:17px;accent-color:var(--accent);margin-top:2px;flex:none}
.pay-opt h4{font-size:14.5px;font-weight:660}
.pay-opt p{font-size:13px;color:var(--mut);margin-top:2px}
.ship-opt{display:flex;gap:13px;align-items:flex-start;padding:14px;border:1px solid var(--line-2);
  border-radius:var(--r-sm);cursor:pointer;margin-bottom:9px}
.ship-opt.on{border-color:var(--accent);background:var(--accent-s)}
.ship-opt input{width:17px;height:17px;accent-color:var(--accent);margin-top:2px;flex:none}
.ship-opt .so-price{margin-left:auto;font-size:13.5px;font-weight:660;white-space:nowrap}
.co-items{border-top:1px solid var(--line);margin-top:14px;padding-top:14px;display:grid;gap:12px}
.co-item{display:flex;gap:12px;align-items:center;font-size:13.8px}
.co-item .ci-img{width:46px;height:46px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-soft);
  border:1px solid var(--line);flex:none}
.co-item .ci-img img{width:100%;height:100%;object-fit:cover}
.co-item .ci-t{flex:1;min-width:0}
.co-item .ci-t b{display:block;font-size:14px;font-weight:660}
.co-item .ci-t span{font-size:12.4px;color:var(--mut-2)}
.order-done{text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.order-done .ok-ring{width:66px;height:66px;border-radius:50%;background:var(--ok-s);display:flex;
  align-items:center;justify-content:center;margin:0 auto 20px}
.order-done .ok-ring svg{width:30px;height:30px;stroke:var(--ok);fill:none;stroke-width:2.6}
.order-done h2{font-size:24px}
.order-done p{color:var(--mut);margin-top:10px;max-width:560px;margin-left:auto;margin-right:auto}
.order-ref{display:inline-block;font-family:var(--mono);font-size:15px;background:var(--bg-soft);
  border:1px dashed var(--line-2);border-radius:var(--r-sm);padding:9px 16px;margin-top:18px}

/* --------------------------------------------------------------- compare */
.cmp-tbl{min-width:760px}
.cmp-tbl th,.cmp-tbl td{text-align:left}
.cmp-tbl .hl-col{background:#FAFBFC}

/* -------------------------------------------------------------- responsive */
@media (max-width:1200px){
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .search-bar{max-width:none}
  .header-nav{display:none}
  .nav-toggle{display:flex}
  .g4,.tiles,.trustbar .container,.pgrid,.series-tiles,.tgrid,.stat-row{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .shop-layout{grid-template-columns:1fr}
  .filters{position:static;display:none}
  .filters.open{display:block}
  .filter-mobile-btn{display:inline-flex}
  .pdp{grid-template-columns:1fr;gap:30px}
  .gallery{position:static}
  .cart-layout,.checkout-layout{grid-template-columns:1fr}
  .summary,.gallery{position:static}
  .newsletter{grid-template-columns:1fr;gap:24px;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .pdp-sticky{display:block}
  body.has-sticky{padding-bottom:78px}
}
@media (max-width:720px){
  .g3,.g2,.pgrid,.pgrid--3,.tiles,.pgrid,.series-tiles,.tgrid,.pgrid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .hero .container{padding:48px 22px 46px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .header-main{height:64px;gap:12px;flex-wrap:wrap}
  .search-bar{order:3;width:100%;max-width:none;margin-bottom:12px}
  .header-main{padding-top:10px;padding-bottom:10px;height:auto}
  .cart-line{grid-template-columns:72px 1fr;gap:12px}
  .cart-line .cl-price{grid-column:2;text-align:left}
  .g-thumbs{grid-template-columns:repeat(4,1fr)}
  .pdp-buy .btn{min-width:0}
  .promo-links{display:none}
  .footer-grid{grid-template-columns:1fr}
  .steps-bar .ln{margin:0 8px}
}

/* ------------------------------------------------------- quote drawer */
/* 抽屉外壳。两套抽屉共用同一组 .dr-* 样式：
     #ljDrawer = 询价单，  #ljWish = 关注列表
   所以 open 态的规则都必须同时命中两个 id —— 只写 #ljDrawer 的话，
   关注列表点开时会"有面板但不动画、也不响应点击"。 */
#ljDrawer,#ljWish{position:fixed;inset:0;z-index:150;pointer-events:none}
#ljDrawer.open,#ljWish.open{pointer-events:auto}
.dr-overlay{position:absolute;inset:0;background:rgba(10,17,32,.5);opacity:0;transition:opacity .25s ease}
#ljDrawer.open .dr-overlay,#ljWish.open .dr-overlay{opacity:1}
.dr-panel{
  position:absolute;top:0;right:0;bottom:0;width:400px;max-width:93vw;background:#fff;
  display:flex;flex-direction:column;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);box-shadow:-12px 0 44px rgba(16,24,40,.22);
}
#ljDrawer.open .dr-panel,#ljWish.open .dr-panel{transform:none}

/* 关注列表每行的操作按钮。不能复用 .dr-qty button（那是 27px 的方形
   数量步进器，宽度放不下文字）。 */
.wl-acts{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:9px}
.wl-acts .dr-rm{margin-left:0}
.wl-add{border:1px solid var(--line-2);background:#fff;border-radius:6px;padding:4px 10px;
  font-size:12.4px;color:var(--txt-2);cursor:pointer;font-family:inherit}
.wl-add:hover{border-color:var(--ink);color:var(--txt)}
.wl-view{font-size:12.4px;color:var(--accent);text-decoration:none}
.wl-view:hover{text-decoration:underline}
.wl-price{font-size:12.3px;color:var(--mut-2)}
.dr-head{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:17px 20px;border-bottom:1px solid var(--line);flex:none}
.dr-head h3{font-size:16.5px}
.dr-x{background:none;border:0;font-size:26px;line-height:1;color:var(--mut-2);cursor:pointer;padding:0 5px}
.dr-x:hover{color:var(--txt)}
.dr-body{flex:1;overflow-y:auto;padding:4px 20px}
.dr-foot{flex:none;padding:16px 20px;border-top:1px solid var(--line);background:var(--bg-soft)}
.dr-line{display:grid;grid-template-columns:62px 1fr;gap:13px;padding:15px 0;border-bottom:1px solid var(--line)}
.dr-line:last-child{border-bottom:0}
.dr-img{width:62px;height:62px;border-radius:var(--r-sm);overflow:hidden;background:#fff;border:1px solid var(--line)}
.dr-img img{width:100%;height:100%;object-fit:cover}
.dr-info b{font-size:14.5px;display:block;letter-spacing:-.01em}
.dr-info > span{font-size:12.3px;color:var(--mut-2)}
.dr-qty{display:flex;align-items:center;gap:6px;margin-top:9px}
.dr-qty button{width:27px;height:27px;border:1px solid var(--line-2);background:#fff;border-radius:6px;
  cursor:pointer;font-size:14px;line-height:1;color:var(--txt-2)}
.dr-qty button:hover{border-color:var(--ink)}
.dr-qty input{width:46px;height:27px;text-align:center;border:1px solid var(--line-2);
  border-radius:6px;font-size:13px;outline:none}
.dr-rm{margin-left:auto;width:auto;height:auto;border:0;background:none;font-size:12.4px;
  color:var(--mut-2);text-decoration:underline;cursor:pointer;padding:0}
.dr-rm:hover{color:var(--accent)}
.dr-total{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14.3px;color:var(--mut)}
.dr-total b{font-size:15.5px;color:var(--txt)}
.dr-empty{padding:52px 10px;text-align:center;color:var(--mut);font-size:14.5px;line-height:1.85}

/* newsletter success */
.nl-done{display:none;margin-top:10px;font-size:13.5px;color:#6FE0AC}

/* ==========================================================================
   在线客服气泡 / live-chat widget
   --------------------------------------------------------------------------
   买家侧的聊天面板。挂在整个店铺的右下角，所以样式必须是**自包含**的：
   只依赖上面的 CSS 变量，不依赖任何页面级 class，免得在某个页面上错位。
   颜色全部走变量，改品牌色不需要动这里。
   ========================================================================== */
#ljChat{position:fixed;right:24px;bottom:24px;z-index:9000;font-family:inherit}
@media (max-width:640px){#ljChat{right:14px;bottom:14px}}

/* ---- 气泡按钮 ---- */
.ljc-btn{position:relative;width:58px;height:58px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(140deg,#FF7A4D,var(--accent));color:#fff;display:flex;align-items:center;
  justify-content:center;box-shadow:0 10px 28px rgba(228,65,43,.36);
  transition:transform .18s ease,box-shadow .18s ease}
.ljc-btn:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 14px 34px rgba(228,65,43,.44)}
.ljc-btn:focus-visible{outline:3px solid rgba(228,65,43,.35);outline-offset:3px}
.ljc-btn .ljc-icon,.ljc-btn .ljc-icon-close{width:27px;height:27px}
.ljc-btn .ljc-icon-close{display:none}
.ljc-btn[aria-expanded="true"] .ljc-icon{display:none}
.ljc-btn[aria-expanded="true"] .ljc-icon-close{display:block}
.ljc-badge{position:absolute;top:-2px;right:-2px;min-width:21px;height:21px;padding:0 5px;border-radius:11px;
  background:var(--info);color:#fff;font-size:11.5px;font-weight:700;align-items:center;justify-content:center;
  border:2px solid #fff}

/* ---- 面板 ---- */
.ljc-panel{position:absolute;right:0;bottom:74px;width:376px;max-width:calc(100vw - 28px);
  height:min(566px,calc(100vh - 120px));background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 60px rgba(10,17,32,.20);display:none;flex-direction:column;overflow:hidden}
.ljc-panel.open{display:flex}
@media (max-width:640px){
  .ljc-panel{position:fixed;left:0;right:0;bottom:0;width:100%;max-width:100%;
    height:86vh;border-radius:var(--r-lg) var(--r-lg) 0 0;bottom:0}
}

.ljc-head{display:flex;align-items:center;gap:11px;padding:13px 15px;background:var(--ink);color:#fff;flex:0 0 auto}
.ljc-avatar{width:34px;height:34px;flex:0 0 34px;border-radius:9px;overflow:hidden;display:block}
.ljc-avatar svg{width:100%;height:100%;display:block}
.ljc-who{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.ljc-who b{font-size:14px;font-weight:660;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ljc-sub{color:#9FB0C6;font-size:11.5px}
.ljc-x{margin-left:auto;background:transparent;border:0;color:#9FB0C6;font-size:24px;line-height:1;
  cursor:pointer;padding:0 2px}
.ljc-x:hover{color:#fff}

.ljc-body{flex:1 1 auto;overflow-y:auto;padding:16px 14px;background:var(--bg-soft);
  display:flex;flex-direction:column;gap:12px;overscroll-behavior:contain}
.ljc-msg{display:flex;flex-direction:column;max-width:86%}
.ljc-msg-me{align-self:flex-end;align-items:flex-end}
.ljc-msg-seller{align-self:flex-start;align-items:flex-start}
.ljc-meta{font-size:11px;color:var(--mut-2);margin-bottom:3px;padding:0 3px}
.ljc-bubble{padding:9px 13px;border-radius:14px;font-size:13.8px;line-height:1.66;
  word-break:break-word;white-space:normal}
.ljc-msg-me .ljc-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:5px}
.ljc-msg-seller .ljc-bubble{background:#fff;color:var(--txt);border:1px solid var(--line);
  border-bottom-left-radius:5px}
.ljc-msg-greet .ljc-bubble{background:#fff;border-style:dashed}
.ljc-closed{align-self:center;font-size:12px;color:var(--mut);background:#fff;border:1px dashed var(--line-2);
  border-radius:10px;padding:7px 12px;text-align:center;max-width:92%}

.ljc-form,.ljc-composer{flex:0 0 auto;border-top:1px solid var(--line);background:#fff;padding:13px 14px}
.ljc-note{margin:0 0 11px;font-size:12px;color:var(--mut);line-height:1.6}
.ljc-field{display:block;margin-bottom:10px}
.ljc-field span{display:block;font-size:12px;color:var(--txt-2);font-weight:600;margin-bottom:5px}
.ljc-field input,.ljc-field textarea,.ljc-composer textarea{width:100%;box-sizing:border-box;
  border:1px solid var(--line-2);border-radius:var(--r-sm);padding:9px 11px;font-size:13.5px;
  font-family:inherit;color:var(--txt);background:#fff;resize:none}
.ljc-field input:focus,.ljc-field textarea:focus,.ljc-composer textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(228,65,43,.12)}
.ljc-err{display:none;background:#FEF1EE;color:#A32718;border:1px solid #F6CDBF;border-radius:var(--r-sm);
  padding:8px 11px;font-size:12.5px;margin-bottom:10px;line-height:1.6}

.ljc-composer{display:flex;gap:9px;align-items:flex-end}
.ljc-composer textarea{flex:1 1 auto;min-height:42px;max-height:120px;line-height:1.55}
.ljc-send{border:0;cursor:pointer;background:var(--accent);color:#fff;border-radius:var(--r-sm);
  font-family:inherit;font-size:13.5px;font-weight:640;padding:11px 16px;transition:background .16s ease}
.ljc-composer .ljc-send{flex:0 0 46px;width:46px;height:42px;padding:0;display:flex;align-items:center;justify-content:center}
.ljc-send svg{width:18px;height:18px}
.ljc-send:hover{background:var(--accent-d)}
.ljc-send:disabled{opacity:.55;cursor:default}
.ljc-form .ljc-send{width:100%;margin-top:2px}

/* 后台的聊天界面用的是另一套 class（.adm 命名空间），不在这里 */

/* 自动接待（sender=auto）—— 买家侧。和客服气泡一样靠左，
   但用虚线边框 + 灰一点的文字，让买家一眼看出"这是系统先应了一声"。 */
.ljc-msg-auto .ljc-bubble{background:#fff;border:1px dashed var(--line-2);color:var(--txt-2)}
.ljc-msg-auto .ljc-meta{color:var(--mut-2)}

/* ==========================================================================
   平台图带 / auto-scrolling gallery
   --------------------------------------------------------------------------
   无缝循环的做法：DOM 里放两段一模一样的 .mq-track，整条轨道向左平移 50%，
   第一段滑出视口时第二段正好补上，循环点看不出来。
   只用 CSS 动画，不用 JS —— 少一个会坏的地方，而且首屏就能动。
   ========================================================================== */
.gsec{padding-bottom:0}
.mq{position:relative;overflow:hidden;padding:26px 0 34px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.mq-track{display:flex;width:max-content;animation:mq-scroll 56s linear infinite}
.mq:hover .mq-track,.mq:focus-within .mq-track{animation-play-state:paused}
@keyframes mq-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* 尊重系统的"减少动态效果"设置：改成可以手动横滑，而不是硬塞动画 */
@media (prefers-reduced-motion:reduce){
  .mq{-webkit-mask-image:none;mask-image:none;overflow-x:auto}
  .mq-track{animation:none}
}

/* margin-right 而不是父级 gap —— 见上面 .mq-track 的注释：
   每张都要带间距，总宽才正好是 2 × 一组，-50% 才能无缝接上 */
.mq-slide{position:relative;flex:0 0 auto;width:392px;aspect-ratio:16/9;margin:0 18px 0 0;
  border-radius:var(--r-lg);overflow:hidden;background:var(--ink);border:1px solid var(--line)}
.mq-slide img{width:100%;height:100%;object-fit:cover;display:block}
.mq-slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 15px;
  background:linear-gradient(to top,rgba(6,10,20,.93) 12%,rgba(6,10,20,.55) 55%,transparent);
  display:flex;flex-direction:column;gap:3px;color:#fff}
.mq-slide figcaption b{font-size:14.5px;font-weight:600;letter-spacing:-.01em}
.mq-slide figcaption span{font-size:12.3px;color:#B7C1D2;line-height:1.5}
@media (max-width:640px){.mq-slide{width:280px}}

/* ==========================================================================
   服务器品类卡片 / server cards
   CPU 卡片走 .pcard（核心数/频率那些芯片字段），服务器是另一套结构，
   所以单独一个 .scard，不去硬套 .pcard 的字段。
   ========================================================================== */
.sgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px}
.scard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .18s ease,transform .18s ease}
.scard:hover{box-shadow:var(--sh-3);transform:translateY(-2px)}
.sc-media{position:relative;aspect-ratio:16/9;background:var(--ink);overflow:hidden}
.sc-media img{width:100%;height:100%;object-fit:cover;display:block}
.sc-kind{position:absolute;top:11px;left:11px;font-size:11.5px;font-weight:650;
  padding:3px 9px;border-radius:99px;background:rgba(255,255,255,.9);color:var(--ink)}
.sc-body{padding:17px 18px 18px;display:flex;flex-direction:column;flex:1}
.sc-body .pc-chips{margin-top:11px}
.sc-desc{margin:12px 0 0;font-size:13.2px;line-height:1.7;color:var(--mut);flex:1}
.srv-note{display:flex;gap:10px;align-items:flex-start;margin:22px 0 0;font-size:13px;
  color:var(--mut);line-height:1.7;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:13px 15px}
.srv-note svg{width:19px;height:19px;flex:0 0 19px;color:var(--ok);margin-top:2px}

/* 分区副标题（服务器品类那一段用） */
.sec-sub{margin:11px 0 0;font-size:14.6px;line-height:1.75;color:var(--mut);max-width:760px}