/* ============================================================
   Quankai Homeware — site styles (design draft)
   ============================================================ */

:root{
  --ink:#1a2016;
  --ink-2:#3d4636;
  --ink-3:#6d7566;
  --forest:#1e2b18;
  --forest-2:#2b3a22;
  --green:#556b3a;
  --green-2:#7d9257;
  --green-pale:#eef1e2;
  --sand:#f7f3e8;
  --sand-2:#efe9d9;
  --sand-3:#e5ddc9;
  --clay:#b07340;
  --line:#ded7c6;
  --line-2:#eae4d6;
  --paper:#fffdf8;

  --display: ui-serif, "Iowan Old Style", "Palatino Linotype", Georgia, "Songti SC", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --w: 1180px;
  --pad: 40px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--display);font-weight:400;letter-spacing:-.015em;margin:0;}
p{margin:0 0 14px;}

.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--pad);}
.eyebrow{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--green);
  margin:0 0 18px;
}
.eyebrow.light{color:var(--green-2);}

/* ---------- draft note ---------- */
.draft{
  background:var(--forest);
  color:#cfd6c0;
  font-size:11.5px;
  letter-spacing:.04em;
  text-align:center;
  padding:7px 16px;
  font-family:var(--mono);
}
.draft b{color:#fff;font-weight:500;}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,253,248,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line-2);
}
.nav-in{
  max-width:var(--w);margin:0 auto;padding:0 var(--pad);
  height:70px;display:flex;align-items:center;gap:34px;
}
.brand{display:flex;flex-direction:column;line-height:1;}
.brand b{
  font-family:var(--display);
  font-size:22px;letter-spacing:.16em;font-weight:400;
}
.brand span{
  font-family:var(--mono);font-size:9px;letter-spacing:.24em;
  color:var(--ink-3);margin-top:5px;text-transform:uppercase;
}
.nav ul{
  display:flex;gap:26px;list-style:none;margin:0;padding:0;margin-left:auto;
  font-size:13.5px;color:var(--ink-2);
}
.nav a:hover{color:var(--green);}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:500;letter-spacing:.01em;
  padding:11px 20px;border-radius:2px;border:1px solid transparent;
  transition:.22s ease;cursor:pointer;
}
.btn-solid{background:var(--green);color:#fff;}
.btn-solid:hover{background:#45582f;}
.btn-line{border-color:var(--line);color:var(--ink);}
.btn-line:hover{border-color:var(--green);color:var(--green);}
.btn-ghost-light{border-color:rgba(255,255,255,.32);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);}
.btn svg{width:14px;height:14px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--forest);
  color:#f7f3e8;
  padding:96px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 520px at 78% 8%, rgba(125,146,87,.28), transparent 60%),
    radial-gradient(600px 400px at 10% 100%, rgba(176,115,64,.16), transparent 65%);
}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(38px,5vw,62px);
  line-height:1.1;
  letter-spacing:-.025em;
  margin:0 0 22px;
}
.hero h1 em{font-style:italic;color:#c3d3a2;}
.hero p.sub{
  font-size:17px;line-height:1.72;color:#c8cfb9;max-width:520px;margin:0 0 30px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.hero-note{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#8f9c78;margin-top:26px;
}
.hero-art{position:relative;height:420px;}

/* bamboo stalks illustration */
.stalks{position:absolute;inset:0;display:flex;justify-content:flex-end;gap:0;}
.stalk{
  width:34px;margin-left:-6px;
  background:linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(195,211,162,.13) 30%, rgba(195,211,162,.05) 100%);
  border-left:1px solid rgba(195,211,162,.22);
  position:relative;
}
.stalk::after{
  content:"";position:absolute;left:-1px;right:0;height:1px;
  background:rgba(195,211,162,.3);
  box-shadow:0 0 0 0 transparent;
}
.stalk:nth-child(1){height:100%;align-self:flex-end;}
.stalk:nth-child(2){height:88%;align-self:flex-end;}
.stalk:nth-child(3){height:96%;align-self:flex-end;}
.stalk:nth-child(4){height:74%;align-self:flex-end;}
.stalk:nth-child(5){height:100%;align-self:flex-end;}

/* leaf svg overlay */
.leaf-art{position:absolute;right:-10px;top:0;width:100%;height:100%;opacity:.9;}

/* ---------- trust strip ---------- */
.strip{
  background:var(--sand-2);
  border-bottom:1px solid var(--line);
}
.strip-in{
  max-width:var(--w);margin:0 auto;padding:0 var(--pad);
  display:grid;grid-template-columns:repeat(5,1fr);
}
.strip-in div{
  padding:20px 18px 20px 0;border-right:1px solid var(--line);
  padding-left:18px;
}
.strip-in div:first-child{padding-left:0;border-left:none;}
.strip-in div:last-child{border-right:none;}
.strip-in b{
  display:block;font-family:var(--display);font-size:16px;margin-bottom:2px;letter-spacing:-.01em;
}
.strip-in span{font-size:11.5px;color:var(--ink-3);line-height:1.45;display:block;}

/* ---------- sections ---------- */
.sec{padding:92px 0;}
.sec.sand{background:var(--sand);}
.sec.dark{background:var(--forest);color:#eee9db;}
.sec-head{max-width:660px;margin-bottom:48px;}
.sec-head h2{
  font-size:clamp(28px,3.4vw,40px);line-height:1.2;margin-bottom:16px;
}
.sec-head p{font-size:16.5px;color:var(--ink-2);line-height:1.7;max-width:620px;}
.sec.dark .sec-head p{color:#b9c1a8;}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}

/* ---------- advantage cards ---------- */
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.adv > div{background:var(--paper);padding:34px 30px 30px;}
.adv .n{
  font-family:var(--mono);font-size:11px;color:var(--green-2);letter-spacing:.14em;margin-bottom:18px;display:block;
}
.adv h3{font-size:21px;line-height:1.32;margin-bottom:10px;}
.adv p{font-size:14px;color:var(--ink-2);line-height:1.7;margin:0;}
.adv .tag{
  display:inline-block;margin-top:16px;font-family:var(--mono);font-size:10px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--green);
  border:1px solid #ccd7b8;background:var(--green-pale);padding:3px 8px;border-radius:2px;
}

/* ---------- categories ---------- */
.cats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.cat{
  border:1px solid var(--line);background:var(--paper);
  padding:0 0 18px;transition:.25s ease;display:block;
}
.cat:hover{border-color:var(--green-2);transform:translateY(-3px);box-shadow:0 12px 30px rgba(30,43,24,.07);}
.cat-art{
  height:170px;display:block;overflow:hidden;
  border-bottom:1px solid var(--line-2);background:#e9e4d2;
}
.cat-art svg{width:96px;height:96px;}
.cat-art img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease;}
.cat:hover .cat-art img{transform:scale(1.04);}
.cat h4{font-size:15.5px;margin:16px 18px 3px;font-family:var(--sans);font-weight:600;letter-spacing:0;}
.cat span{font-size:11.5px;color:var(--ink-3);margin:0 18px;display:block;font-family:var(--mono);letter-spacing:.05em;}

/* ---------- photo slot ---------- */
.ph{
  position:relative;background:
    repeating-linear-gradient(135deg,#e8e2d1,#e8e2d1 9px,#ece7d7 9px,#ece7d7 18px);
  border:1px solid var(--line);
  display:flex;align-items:flex-end;justify-content:flex-start;
  min-height:300px;
}
.ph .lab{
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(26,32,22,.78);color:#efe9d9;padding:6px 10px;margin:0;
  position:relative;z-index:1;
}
.ph .fill{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;}
.ph.dark{background:repeating-linear-gradient(135deg,#28331f,#28331f 9px,#2c3823 9px,#2c3823 18px);border-color:#3a4630;}

/* ---------- factory stats ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.12);margin-top:34px;}
.stats div{background:var(--forest);padding:22px 0;}
.stats b{display:block;font-family:var(--display);font-size:34px;line-height:1;margin-bottom:6px;color:#fff;}
.stats span{font-size:12px;color:#a8b294;font-family:var(--mono);letter-spacing:.08em;}

/* ---------- showroom map ---------- */
.map-card{
  position:relative;height:340px;border:1px solid var(--line);
  background:
    linear-gradient(0deg, rgba(247,243,232,.92), rgba(247,243,232,.92)),
    repeating-linear-gradient(0deg,#d9d2bd 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,#d9d2bd 0 1px,transparent 1px 46px);
  overflow:hidden;
}
.map-card .road{position:absolute;background:#e0d8c2;}
.map-card .pin{
  position:absolute;left:52%;top:46%;transform:translate(-50%,-100%);
  display:flex;flex-direction:column;align-items:center;
}
.map-card .pin i{
  width:16px;height:16px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);
  background:var(--clay);display:block;box-shadow:0 0 0 6px rgba(176,115,64,.16);
}
.map-card .pin em{
  font-style:normal;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;
  background:var(--forest);color:#fff;padding:5px 9px;margin-top:14px;white-space:nowrap;
}
.map-card .zone{
  position:absolute;left:0;right:0;bottom:0;top:0;
  background:radial-gradient(circle at 52% 46%, rgba(176,115,64,.10), transparent 42%);
}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps div{background:var(--sand);padding:30px 26px;}
.steps .k{font-family:var(--mono);font-size:11px;color:var(--green);letter-spacing:.14em;margin-bottom:12px;display:block;}
.steps h4{font-size:17px;margin-bottom:8px;}
.steps p{font-size:13px;color:var(--ink-2);line-height:1.65;margin:0;}

/* ---------- banner ---------- */
.band{
  background:var(--forest);color:#f2eee1;padding:64px 0;
  position:relative;overflow:hidden;
}
.band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(195,211,162,.18);
  box-shadow:0 0 0 40px rgba(195,211,162,.05),0 0 0 80px rgba(195,211,162,.03);
}
.band .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.band h2{font-size:clamp(24px,2.8vw,34px);line-height:1.28;max-width:600px;}
.band p{color:#b4bda2;margin:10px 0 0;font-size:14.5px;}

/* ---------- footer ---------- */
footer{background:#151d11;color:#9aa48c;padding:64px 0 28px;font-size:13.5px;}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
footer h5{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:#7f8a70;margin:0 0 16px;font-weight:400;
}
footer a{color:#c5ccb7;display:block;margin-bottom:9px;font-size:13px;}
footer a:hover{color:#fff;}
footer .addr{line-height:1.75;font-size:13px;color:#a5af97;margin-bottom:14px;}
.f-bottom{
  border-top:1px solid #263019;margin-top:48px;padding-top:22px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:11.5px;color:#6e7a60;font-family:var(--mono);letter-spacing:.04em;
}

/* ---------- three sites ---------- */
.loc{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.loc.two{grid-template-columns:repeat(2,1fr);}
.loc > div{padding:26px 28px 26px 0;border-right:1px solid var(--line-2);}
.loc > div:last-child{border-right:none;padding-right:0;}
.loc > div + div{padding-left:28px;}
.loc b{
  display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--green);margin-bottom:9px;font-weight:500;
}
.loc span{font-size:13.5px;color:var(--ink-2);line-height:1.65;display:block;}

/* ---------- market bars ---------- */
.mk{
  display:grid;grid-template-columns:150px 1fr 44px;gap:14px;align-items:center;
  padding:9px 0;border-bottom:1px solid var(--line-2);font-size:13px;color:var(--ink-2);
}
.mk:last-child{border-bottom:none;}
.mk span{white-space:nowrap;}
.mk i{
  display:block;height:8px;background:var(--sand-3);position:relative;
}
.mk i::after{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:calc(var(--v) * 1%);background:linear-gradient(90deg,var(--green),var(--green-2));
}
.mk b{font-family:var(--mono);font-size:11.5px;color:var(--ink);text-align:right;}

/* ---------- contact list + wechat ---------- */
.clist{display:grid;gap:9px;margin-top:26px;}
.clist>div{display:flex;gap:14px;align-items:baseline;}
.clist span{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  color:var(--ink-3);flex:0 0 74px;
}
.clist a,.clist b{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--ink);
  font-weight:400;border-bottom:1px solid transparent;
}
.clist a:hover{color:var(--green);border-bottom-color:var(--green);}
.hours{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;
  color:var(--ink-3);margin:14px 0 0;
}

.wx{
  display:flex;gap:16px;align-items:flex-start;
  border:1px solid var(--line);background:var(--sand);
  padding:14px;margin-top:26px;max-width:430px;
}
.wx-qr{
  width:84px;height:84px;flex:0 0 84px;
  background:#fff;border:1px solid var(--line);padding:6px;
}
.wx-qr svg,.wx-qr img{display:block;width:100%;height:100%;object-fit:cover;}
.wx-txt b{
  display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-3);font-weight:400;margin-bottom:4px;
}
.wx-txt strong{
  display:block;font-family:var(--mono);font-size:13px;letter-spacing:.05em;
  color:var(--ink);font-weight:400;margin-bottom:7px;
}
.wx-txt p{font-size:12.5px;line-height:1.62;color:var(--ink-2);margin:0;}
footer .wx-line{font-size:13px;color:#a5af97;}
footer .wx-line b{font-weight:400;color:#c5ccb7;}

/* ---------- form ---------- */
.fld-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px;}
.fld-grid label,.lbl{
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  color:var(--ink-3);display:block;margin-bottom:7px;
}
.fld-grid input{
  width:100%;border:none;border-bottom:1px solid var(--line);
  background:transparent;padding:6px 0 8px;font-size:14px;color:var(--ink);
  font-family:var(--sans);outline:none;transition:border-color .2s;
}
.fld-grid input::placeholder{color:#b3b8a6;}
.fld-grid input:focus{border-bottom-color:var(--green);}

/* ============ compliance page ============ */.page-head{
  background:var(--forest);color:#f4f0e3;padding:80px 0 72px;position:relative;overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 420px at 82% 0%, rgba(125,146,87,.22), transparent 62%);
}
.page-head .wrap{position:relative;}
.page-head h1{font-size:clamp(32px,4.4vw,52px);line-height:1.14;max-width:860px;margin-bottom:20px;}
.page-head p{color:#c1c9b0;max-width:640px;font-size:16.5px;line-height:1.72;}
.crumbs{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#8b9774;margin-bottom:24px;text-transform:uppercase;}
.crumbs a{color:#8b9774;}

.anchor{
  position:sticky;top:70px;z-index:40;background:rgba(255,253,248,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line-2);
}
.anchor-in{
  max-width:var(--w);margin:0 auto;padding:0 var(--pad);
  display:flex;gap:26px;overflow-x:auto;font-size:12.5px;color:var(--ink-3);
  height:52px;align-items:center;white-space:nowrap;
}
.anchor-in a:hover{color:var(--green);}

.c-sec{padding:72px 0;border-bottom:1px solid var(--line-2);}
.c-sec:last-of-type{border-bottom:none;}
.c-grid{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start;}
.c-grid h2{font-size:28px;line-height:1.25;margin-bottom:14px;}
.c-grid .side p{font-size:13px;color:var(--ink-3);line-height:1.7;}
.c-body p{font-size:15.5px;color:var(--ink-2);line-height:1.78;max-width:700px;}
.c-body h3{font-family:var(--sans);font-size:15px;font-weight:600;margin:30px 0 10px;}

.rule{
  border-left:2px solid var(--green-2);padding:4px 0 4px 22px;margin:26px 0;
  font-family:var(--display);font-size:20px;line-height:1.55;color:var(--ink);
}
.data{width:100%;border-collapse:collapse;font-size:13.5px;margin:22px 0;}
.data th{
  text-align:left;font-weight:600;font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  font-family:var(--mono);color:var(--ink-3);padding:0 14px 10px;border-bottom:1px solid var(--line);
}
.data td{padding:15px 14px;border-bottom:1px solid var(--line-2);vertical-align:top;color:var(--ink-2);line-height:1.6;}
.data td:first-child{color:var(--ink);font-weight:500;}
.ok{color:var(--green);font-weight:600;font-family:var(--mono);font-size:12px;letter-spacing:.04em;}
.warn{color:var(--clay);font-weight:600;font-family:var(--mono);font-size:12px;letter-spacing:.04em;}
.tbc{
  display:inline-block;color:#8a5a12;background:#fdf0d8;border:1px dotted #dcae62;
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:1px 7px;
}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px;}
.chips span{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;
  border:1px solid var(--line);padding:5px 11px;color:var(--ink-2);background:var(--sand);
}
/* 表单芯片：原生 checkbox/radio + label，无 JS 也能选 */
.chip{position:relative;cursor:pointer;}
.chip input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none;}
.chip input:checked + span{
  background:var(--green);border-color:var(--green);color:#f2eee1;
}
.chip input:focus-visible + span{outline:2px solid var(--green);outline-offset:2px;}
.chip:hover span{border-color:var(--green);}
#inq textarea{
  width:100%;border:1px solid var(--line);background:transparent;
  padding:9px 11px;font-size:14px;color:var(--ink);font-family:var(--sans);
  outline:none;resize:vertical;line-height:1.6;transition:border-color .2s;
}
#inq textarea::placeholder{color:#b3b8a6;}
#inq textarea:focus{border-color:var(--green);}
#inq .lbl span{color:#a9ae9c;}
.inq-hp{position:absolute !important;left:-9999px !important;width:1px;height:1px;opacity:0;}
.inq-msg{font-size:12.5px;margin:10px 0 0;min-height:1em;color:var(--ink-2);}
.inq-msg.err{color:#a05a45;}
.note{
  background:var(--sand);border:1px solid var(--line);padding:22px 24px;margin:26px 0;
  font-size:14px;color:var(--ink-2);line-height:1.75;
}
.note b{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--green);margin-bottom:9px;font-weight:500;}

.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:26px 0;}
.timeline div{background:var(--paper);padding:24px 20px;}
.timeline b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--clay);margin-bottom:10px;}
.timeline strong{display:block;font-size:14px;margin-bottom:6px;font-weight:600;}
.timeline span{font-size:12.5px;color:var(--ink-3);line-height:1.6;}

/* ============ products ============ */
.ph-note{
  font-family:var(--mono);font-size:11px;letter-spacing:.03em;color:#8b9774;
  margin:18px 0 0;line-height:1.65;max-width:620px;
}
.p-cat{padding:72px 0;border-bottom:1px solid var(--line-2);scroll-margin-top:122px;}
.p-cat-in{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start;}
.p-cat-art{
  position:relative;aspect-ratio:1/1;overflow:hidden;
  border:1px solid var(--line);background:#e9e4d2;
}
.p-cat-art img{width:100%;height:100%;object-fit:cover;}
.mtag{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 9px;border-radius:2px;background:var(--forest);color:#e6ecd8;
}
.p-cat-art .mtag{position:absolute;left:14px;bottom:14px;}
.mtag.bamboo{background:var(--forest);color:#e6ecd8;}
.mtag.mixed{background:var(--clay);color:#fff;}
.mtag.wood{background:#6b4a2f;color:#f3e9dc;}

.p-cat-body h2{font-size:clamp(26px,3vw,36px);line-height:1.18;margin-bottom:8px;}
.p-tag{font-family:var(--display);font-style:italic;font-size:17px;color:var(--ink-3);margin:0 0 16px;}
.p-intro{font-size:15.5px;line-height:1.78;color:var(--ink-2);max-width:620px;}
.p-facts{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line-2);border:1px solid var(--line-2);margin:26px 0 22px;
}
.p-facts > div{background:var(--paper);padding:13px 16px;}
.p-facts dt{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:4px;
}
.p-facts dd{margin:0;font-size:13.5px;color:var(--ink);line-height:1.5;}
.p-facts > div:last-child:nth-child(odd){grid-column:1 / -1;}
.p-more{display:flex;gap:10px;flex-wrap:wrap;margin:0;}

.sku-title{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green);margin:46px 0 16px;display:flex;align-items:center;gap:10px;font-weight:400;
}
.sku-title span{
  background:var(--green-pale);border:1px solid #ccd7b8;color:var(--green);
  padding:1px 7px;font-size:10.5px;
}
.sku-title::after{content:"";flex:1;height:1px;background:var(--line-2);}
.sku-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-2);border:1px solid var(--line-2);}
.sku{background:var(--paper);padding:22px 24px;}
.sku-h{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:8px;}
.sku-h h4{font-family:var(--sans);font-size:14.5px;font-weight:600;letter-spacing:0;line-height:1.35;margin:0;}
.sku-h .mtag{flex:0 0 auto;font-size:9px;padding:3px 7px;background:var(--green-pale);color:var(--green);border:1px solid #ccd7b8;}
.sku-h .mtag.mixed{background:#f7ece2;color:#8a5326;border-color:#e6cbb4;}
.sku p{font-size:13px;line-height:1.68;color:var(--ink-2);margin:0 0 14px;}
.sku-meta{display:flex;gap:26px;border-top:1px solid var(--line-2);padding-top:10px;}
.sku-meta span{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;color:var(--ink-3);
  display:flex;flex-direction:column;gap:3px;
}
.sku-meta b{font-weight:400;font-size:12px;color:var(--ink);letter-spacing:.02em;}

.mat-rows{border-top:1px solid var(--line);}
.mat-row{
  display:grid;grid-template-columns:58px 1fr 210px;gap:24px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--line-2);
}
.mat-k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--clay);padding-top:2px;}
.mat-row h4{font-family:var(--sans);font-size:15px;font-weight:600;margin:0 0 6px;}
.mat-row p{font-size:13.5px;line-height:1.7;color:var(--ink-2);margin:0;max-width:620px;}
.mat-scope{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--green);text-align:right;padding-top:3px;}
.sec-foot{margin-top:22px;font-size:13.5px;}
.sec-foot a{color:var(--green);border-bottom:1px solid var(--green-2);}

.oem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.oem-card{background:var(--paper);padding:26px 22px;}
.oem-card .k{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--green-2);margin-bottom:12px;}
.oem-card h4{font-size:16px;margin-bottom:8px;}
.oem-card p{font-size:13px;line-height:1.66;color:var(--ink-2);margin:0;}

/* ============ brand logo (可选) ============ */
.brand-logo{display:block;height:30px;width:auto;max-width:210px;object-fit:contain;}

/* ============ factory gallery ============ */
.gal-wrap{margin-top:56px;}
.gal-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:30px;
  flex-wrap:wrap;margin-bottom:22px;
}
.gal-head .eyebrow{margin:0;}
.gal-note{
  font-size:13px;color:#a8b294;line-height:1.65;margin:0;max-width:560px;
  font-family:var(--mono);letter-spacing:.02em;
}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.gal figure{margin:0;position:relative;overflow:hidden;background:#28331f;border:1px solid #3a4630;}
.gal figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.gal figure:hover img{transform:scale(1.03);}
.gal figcaption{
  display:flex;flex-direction:column;gap:3px;
  padding:11px 13px 13px;border-top:1px solid #3a4630;
}
.gal figcaption b{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  color:#c3d3a2;font-weight:400;
}
.gal figcaption span{font-size:12px;color:#a8b294;line-height:1.55;}
.gal-empty{
  border:1px dashed #46543a;background:rgba(255,255,255,.025);
  padding:34px 30px;display:flex;flex-direction:column;gap:8px;align-items:flex-start;
}
.gal-empty span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:#c3d3a2;
}
.gal-empty p{font-size:13px;color:#94a084;line-height:1.7;margin:0;max-width:640px;}

/* ============ certificates table ============ */
.cert-table td:nth-child(1){min-width:168px;}
.cert-table td:nth-child(3){white-space:nowrap;}
.cert-table td:nth-child(4){white-space:normal;}
.cert-table .tbc,
.cert-table .warn,
.cert-table .ok{font-size:11.5px;}
.cert-table .tbc{
  display:inline-block;color:#8a5a12;background:#fdf0d8;border:1px dotted #dcae62;
  padding:1px 7px;
}
.cert-table .warn{color:var(--clay);}
.cert-table .ok{color:var(--green);}
.cert-dl{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;
  border:1px solid var(--line);padding:1px 6px;margin-left:6px;
  color:var(--green);white-space:nowrap;
}
.cert-dl:hover{border-color:var(--green);background:var(--green-pale);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .gal{grid-template-columns:1fr 1fr;}
  .gal-wrap{margin-top:40px;}
  .p-cat-in{grid-template-columns:1fr;gap:30px;}
  .p-cat-art{aspect-ratio:16/10;}
  .sku-grid{grid-template-columns:1fr;}
  .oem-grid{grid-template-columns:1fr 1fr;}
  .mat-row{grid-template-columns:40px 1fr;gap:14px;}
  .mat-scope{grid-column:2;text-align:left;padding-top:0;}
  :root{--pad:28px;}
  .hero .wrap{grid-template-columns:1fr;}
  .hero-art{height:220px;order:-1;}
  .cats{grid-template-columns:repeat(2,1fr);}
  .adv{grid-template-columns:1fr;}
  .strip-in{grid-template-columns:repeat(3,1fr);}
  .strip-in div:nth-child(3){border-right:none;}
  .split{grid-template-columns:1fr;gap:36px;}
  .steps,.timeline{grid-template-columns:repeat(2,1fr);}
  .c-grid{grid-template-columns:1fr;gap:24px;}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav ul{display:none;}
  .sec{padding:64px 0;}
}
@media (max-width:640px){
  :root{--pad:20px;}
  .p-cat{padding:46px 0;}
  .p-cat-art{aspect-ratio:4/3;}
  .p-facts{grid-template-columns:1fr;}
  .oem-grid{grid-template-columns:1fr;}
  .sku{padding:18px;}
  .sku-h{flex-direction:column;gap:6px;}
  .sku-meta{gap:18px;}
  .cert-table th:nth-child(2),
  .cert-table td:nth-child(2){display:none;}
  .cert-table td:nth-child(1){min-width:0;}
  .hero{padding:64px 0 56px;}
  .hero h1{font-size:34px;}
  .strip-in{grid-template-columns:1fr 1fr;}
  .strip-in div{border-right:none;border-bottom:1px solid var(--line);padding:14px 0;}
  .cats{grid-template-columns:1fr 1fr;}
  .steps,.timeline{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .f-grid{grid-template-columns:1fr;}
  .page-head{padding:52px 0 44px;}
  .c-sec{padding:48px 0;}
  .data th,.data td{padding-left:0;padding-right:0;}
  .clist span{flex:0 0 64px;font-size:9.5px;letter-spacing:.1em;}
  .clist a,.clist b{font-size:12px;}
  .wx{padding:12px;gap:12px;}
  .wx-qr{width:66px;height:66px;flex:0 0 66px;padding:5px;}
  .wx-txt p{font-size:12px;}
}