/* ==========================================================================
   JOEFOX — 九尾狐手表 · 品牌站点样式
   视觉基因取自 2026 产品画册：深藏蓝 / 金 / 米白，型号大字与规格条
   ========================================================================== */

:root{
  --ink:#0E1620;
  --navy:#15212D;
  --navy-2:#1D2C3A;
  --navy-3:#24384A;
  --gold:#9C723D;
  --gold-l:#C6A16B;
  --gold-pale:#F0E6D6;
  --paper:#F7F5F1;
  --paper-2:#EFEBE3;
  --line:#E2DCD2;
  --line-dark:rgba(255,255,255,.14);
  --gray:#8A857D;
  --white:#fff;
  --shadow:0 18px 50px -24px rgba(14,22,32,.28);
  --shadow-lg:0 40px 90px -40px rgba(14,22,32,.45);
  --ff-sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Segoe UI",Arial,sans-serif;
  --ff-display:"Microsoft YaHei","Segoe UI",Arial,sans-serif;
  --ff-narrow:"Arial Narrow","Helvetica Neue Condensed",Impact,Arial,sans-serif;
  --ff-num:Bahnschrift,"DIN Alternate","Arial Narrow",Arial,sans-serif;
  --w:1280px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--ff-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:var(--ff-display);font-weight:800;line-height:1.15;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:var(--ff-narrow);font-size:12px;letter-spacing:.32em;
  text-transform:uppercase;color:var(--gold);font-weight:700;
}
.eyebrow--light{color:var(--gold-l);}
.rule{width:44px;height:2px;background:var(--gold);border:0;margin:18px 0;}
.rule--center{margin:20px auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border:1px solid var(--ink);background:var(--ink);color:#fff;
  font-size:13.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  transition:.35s cubic-bezier(.2,.7,.3,1);
}
.btn:hover{background:var(--gold);border-color:var(--gold);transform:translateY(-2px);}
.btn--ghost{background:transparent;color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn--light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn--light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn--gold{background:var(--gold);border-color:var(--gold);}
.btn--gold:hover{background:var(--gold-l);border-color:var(--gold-l);}
.link-arrow{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gold);
}
.link-arrow::after{content:"";width:26px;height:1px;background:currentColor;transition:.3s;}
.link-arrow:hover::after{width:40px;}

/* ---------- 顶部 ---------- */
.topbar{
  background:var(--navy);color:rgba(255,255,255,.72);
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar span{display:inline-flex;align-items:center;gap:8px;}
.topbar b{color:var(--gold-l);font-weight:700;}

header.site{
  position:sticky;top:0;z-index:60;background:rgba(247,245,241,.94);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
header.site.scrolled{box-shadow:0 10px 30px -22px rgba(14,22,32,.5);}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px;gap:24px;}
.brand{display:flex;align-items:center;gap:14px;}
.brand-mark{
  width:40px;height:40px;border:1px solid var(--gold);display:grid;place-items:center;
  font-family:var(--ff-num);font-size:15px;font-weight:700;color:var(--gold);letter-spacing:.02em;
}
.brand-name{display:flex;flex-direction:column;line-height:1;}
.brand-name b{font-size:22px;letter-spacing:.26em;font-weight:800;}
.brand-name small{font-size:10px;letter-spacing:.3em;color:var(--gray);margin-top:5px;}
.menu{display:flex;align-items:center;gap:34px;}
.menu a{
  position:relative;font-size:13.5px;font-weight:600;letter-spacing:.06em;padding:6px 0;color:#2B3239;
}
.menu a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);
  transition:right .35s cubic-bezier(.2,.7,.3,1);
}
.menu a:hover::after,.menu a.active::after{right:0;}
.menu a.active{color:var(--gold);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-cta .btn{padding:11px 22px;font-size:12px;}
.lang{
  font-family:var(--ff-num);font-size:12px;letter-spacing:.12em;color:#5A6068;
  text-transform:uppercase;padding:5px 0;border-bottom:1px solid transparent;
  transition:color .25s,border-color .25s;
}
.lang:hover{color:var(--gold);border-color:var(--gold);}
.drawer .lang{margin-top:8px;font-size:13px;color:var(--gold);}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:none;position:relative;}
.burger i,.burger i::before,.burger i::after{
  position:absolute;left:11px;width:20px;height:1.5px;background:var(--ink);content:"";
}
.burger i{top:20px;}
.burger i::before{top:-6px;left:0;}
.burger i::after{top:6px;left:0;}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--paper);}
.hero .grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);min-height:640px;}
.hero-copy{padding:96px 0 88px;display:flex;flex-direction:column;justify-content:center;}
.hero-copy h1{
  font-size:clamp(38px,4.9vw,66px);letter-spacing:.04em;margin:22px 0 0;font-weight:800;line-height:1.2;
}
.hero-copy h1 em{font-style:normal;color:var(--gold);display:block;white-space:nowrap;}
.hero-sub{
  margin-top:26px;max-width:430px;font-size:15.5px;color:#4C545C;line-height:1.95;
}
.hero-sub b{color:var(--ink);font-weight:700;}
.hero-actions{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:0;margin-top:64px;border-top:1px solid var(--line);padding-top:26px;}
.hero-stats div{padding-right:28px;margin-right:28px;border-right:1px solid var(--line);}
.hero-stats div:last-child{border:0;margin:0;padding:0;}
.hero-stats b{display:block;font-family:var(--ff-num);font-size:30px;line-height:1;letter-spacing:.02em;}
.hero-stats span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);white-space:nowrap;}
.hero-visual{position:relative;background:var(--navy);overflow:hidden;min-height:660px;}
.hero-visual .hero-photo{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 42%;
  transform:scale(1.02);animation:heroZoom 18s ease-out forwards;
}
@keyframes heroZoom{from{transform:scale(1.09)}to{transform:scale(1.02)}}
.hero-visual .veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,22,32,.72) 0%,rgba(14,22,32,.18) 42%,rgba(14,22,32,0) 70%);
}
.hero-visual::after{
  content:"";position:absolute;inset:26px;border:1px solid rgba(255,255,255,.16);pointer-events:none;
}
.hero-tag{
  position:absolute;left:46px;bottom:46px;background:rgba(14,22,32,.55);
  backdrop-filter:blur(6px);border-left:2px solid var(--gold);padding:14px 20px;color:#fff;
}
.hero-tag b{display:block;font-family:var(--ff-num);font-size:24px;letter-spacing:.04em;}
.hero-tag span{font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.6);}
.hero-year{
  position:absolute;top:40px;right:44px;font-family:var(--ff-narrow);color:rgba(255,255,255,.5);
  font-size:12px;letter-spacing:.34em;
}

/* ---------- 通用区块 ---------- */
section.band{padding:104px 0;}
section.band--tight{padding:76px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:52px;}
.sec-head h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:.02em;}
.sec-head p{max-width:440px;color:#555D65;font-size:14.5px;}
.sec-head--center{display:block;text-align:center;margin-bottom:56px;}
.sec-head--center p{margin:16px auto 0;}

/* ---------- 产品卡 ---------- */
.grid-products{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.card{
  background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;
  transition:transform .4s cubic-bezier(.2,.7,.3,1),box-shadow .4s,border-color .4s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#D6CEC0;}
.card-fig{
  position:relative;background:var(--paper-2);aspect-ratio:1/1.06;display:grid;place-items:center;
  overflow:hidden;padding:20px;
}
.card-fig img{width:100%;height:100%;object-fit:contain;transition:transform .6s cubic-bezier(.2,.7,.3,1);}
.card:hover .card-fig img{transform:scale(1.06);}
.card-badge{
  position:absolute;top:14px;left:14px;font-family:var(--ff-num);font-size:11px;
  letter-spacing:.16em;background:var(--navy);color:#fff;padding:5px 10px;
}
.card-colors{
  position:absolute;top:14px;right:14px;font-size:10.5px;letter-spacing:.14em;
  color:var(--gold);background:rgba(255,255,255,.9);padding:5px 9px;border:1px solid var(--gold-pale);
}
.card-body{padding:20px 22px 0;}
.card-model{font-family:var(--ff-num);font-size:11.5px;letter-spacing:.22em;color:var(--gray);}
.card-body h3{
  font-size:19px;margin-top:7px;color:var(--gold);letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.card-body .sub{font-size:12.5px;color:var(--gray);margin-top:5px;}
.specbar{
  margin-top:18px;background:var(--navy);display:grid;grid-auto-flow:column;grid-auto-columns:1fr;
}
.specbar span{
  padding:9px 4px;text-align:center;color:rgba(255,255,255,.86);font-size:10.5px;
  letter-spacing:.06em;border-left:1px solid var(--line-dark);
}
.specbar span:first-child{border-left:0;}

/* ---------- 能力卡 ---------- */
.caps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.cap{background:var(--paper);padding:38px 30px;transition:background .35s;}
.cap:hover{background:#fff;}
.cap .n{font-family:var(--ff-num);font-size:12px;letter-spacing:.2em;color:var(--gold);}
.cap h3{font-size:18px;margin:16px 0 10px;}
.cap p{font-size:13.5px;color:#5A626A;line-height:1.85;}

/* ---------- 深色区 ---------- */
.dark{background:var(--navy);color:#fff;}
.dark h2,.dark h3{color:#fff;}
.dark p{color:rgba(255,255,255,.72);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
.split-visual{position:relative;background:var(--navy-2);padding:46px;border:1px solid var(--line-dark);}
.split-visual img{width:100%;height:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.5));}
.split-copy h2{font-size:clamp(26px,3.2vw,40px);margin-top:18px;}
.split-copy p{margin-top:20px;font-size:14.5px;line-height:2;}
.checklist{margin-top:30px;display:grid;gap:14px;}
.checklist li{display:flex;gap:14px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.86);}
.checklist li::before{
  content:"";width:6px;height:6px;background:var(--gold);margin-top:10px;flex:0 0 6px;transform:rotate(45deg);
}

/* ---------- 分类入口 ---------- */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cat{
  position:relative;background:#fff;border:1px solid var(--line);padding:34px 30px 30px;
  display:flex;flex-direction:column;justify-content:space-between;min-height:210px;
  transition:.4s;overflow:hidden;
}
.cat::after{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.7,.3,1);
}
.cat:hover::after{transform:scaleX(1);}
.cat:hover{box-shadow:var(--shadow);}
.cat .k{font-family:var(--ff-narrow);font-size:11px;letter-spacing:.26em;color:var(--gray);text-transform:uppercase;}
.cat h3{font-size:21px;margin-top:12px;}
.cat p{font-size:13px;color:#6B7278;margin-top:8px;}
.cat .cnt{font-family:var(--ff-num);font-size:13px;color:var(--gold);letter-spacing:.1em;margin-top:22px;}

/* ---------- 产品线 ---------- */
.lines{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.line-card{
  display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1fr);background:#fff;
  border:1px solid var(--line);overflow:hidden;transition:.45s cubic-bezier(.2,.7,.3,1);
}
.line-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#D6CEC0;}
.line-fig{background:var(--navy);overflow:hidden;min-height:290px;}
.line-fig img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.3,1);}
.line-card:hover .line-fig img{transform:scale(1.05);}
.line-body{padding:34px 30px;display:flex;flex-direction:column;justify-content:center;}
.line-body .k{font-family:var(--ff-narrow);font-size:11px;letter-spacing:.22em;color:var(--gray);text-transform:uppercase;}
.line-body h3{font-size:24px;margin-top:12px;}
.line-body p{font-size:13.5px;color:#6B7278;margin-top:12px;line-height:1.9;}
.line-body .link-arrow{margin-top:22px;}

/* ---------- 页头 ---------- */
.page-head{background:var(--navy);color:#fff;padding:74px 0 66px;position:relative;overflow:hidden;}
.page-head::after{
  content:"";position:absolute;right:-90px;top:-90px;width:380px;height:380px;
  border:1px solid rgba(198,161,107,.22);border-radius:50%;
}
.page-head h1{font-size:clamp(30px,4vw,48px);margin-top:16px;letter-spacing:.02em;}
.page-head p{color:rgba(255,255,255,.68);max-width:600px;margin-top:18px;font-size:14.5px;}
.crumb{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5);}
.crumb a:hover{color:var(--gold-l);}

/* ---------- 产品列表筛选 ---------- */
.filterbar{
  position:sticky;top:82px;z-index:40;background:rgba(247,245,241,.97);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:16px 0;
}
.filterbar .wrap{display:flex;flex-direction:column;gap:12px;}
.frow{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.frow--chips{gap:12px 26px;}
.search{
  flex:1 1 240px;max-width:420px;display:flex;align-items:center;gap:10px;background:#fff;
  border:1px solid var(--line);padding:0 14px;height:44px;
}
.search input{border:0;outline:0;flex:1;font-size:14px;font-family:inherit;background:none;color:var(--ink);}
.search svg{flex:0 0 16px;opacity:.45;}
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  border:1px solid var(--line);background:#fff;padding:9px 16px;font-size:12.5px;
  letter-spacing:.05em;color:#4C545C;transition:.25s;
}
.chip:hover{border-color:var(--gold);color:var(--gold);}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff;}
.fgroup{display:flex;align-items:center;gap:10px;}
.flabel{font-family:var(--ff-narrow);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gray);white-space:nowrap;}
.filterbar .res-count{margin-left:auto;}
.res-count{font-size:12px;color:var(--gray);letter-spacing:.1em;font-family:var(--ff-num);}
.empty{grid-column:1/-1;padding:80px 0;text-align:center;color:var(--gray);font-size:14px;}

/* ---------- 产品详情 ---------- */
.pd{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:64px;align-items:start;padding:60px 0 96px;}
.pd-fig{position:sticky;top:150px;background:#fff;border:1px solid var(--line);padding:40px;position:relative;}
.pd-fig img{width:100%;height:auto;}
.pd-no{font-family:var(--ff-num);font-size:clamp(52px,7vw,86px);line-height:.9;letter-spacing:-.01em;}
.pd-title{font-size:clamp(24px,3vw,34px);color:var(--gold);margin-top:14px;}
.pd-sub{color:var(--gray);font-size:13.5px;letter-spacing:.14em;text-transform:uppercase;margin-top:10px;}
.pd-feats{margin:30px 0 0;display:grid;gap:12px;}
.pd-feats li{display:flex;gap:14px;font-size:14px;align-items:center;}
.pd-feats li::before{content:"";width:18px;height:1px;background:var(--gold);flex:0 0 18px;}
.pd-specs{margin-top:34px;border-top:1px solid var(--line);}
.pd-specs div{display:flex;justify-content:space-between;gap:24px;padding:13px 0;border-bottom:1px solid var(--line);font-size:13.5px;}
.pd-specs dt,.pd-specs .k{color:var(--gray);letter-spacing:.04em;}
.pd-specs .v{font-weight:600;text-align:right;}
.pd-cta{margin-top:36px;display:flex;gap:12px;flex-wrap:wrap;}
.pd-note{
  margin-top:24px;background:var(--paper-2);border-left:2px solid var(--gold);
  padding:16px 18px;font-size:12.5px;color:#5A6262;line-height:1.9;
}
.pd-strip{margin-top:36px;background:var(--navy);display:grid;grid-auto-flow:column;grid-auto-columns:1fr;}
.pd-strip div{padding:16px 10px;text-align:center;border-left:1px solid var(--line-dark);}
.pd-strip div:first-child{border-left:0;}
.pd-strip b{display:block;font-family:var(--ff-num);font-size:18px;color:#fff;letter-spacing:.03em;}
.pd-strip span{font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.55);}

/* ---------- 关于 ---------- */
.prose{max-width:760px;}
.prose h2{font-size:clamp(24px,2.8vw,34px);margin-top:0;}
.prose p{margin-top:20px;color:#4C545C;font-size:15px;line-height:2.05;}
.prose p b{color:var(--ink);}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
.value{background:#fff;border:1px solid var(--line);padding:32px 28px;}
.value .n{font-family:var(--ff-num);font-size:11px;letter-spacing:.2em;color:var(--gold);}
.value h3{font-size:18px;margin:14px 0 10px;}
.value p{font-size:13.5px;color:#5A626A;line-height:1.9;}
.timeline{margin-top:20px;border-top:1px solid var(--line-dark);}
.timeline li{display:grid;grid-template-columns:120px 1fr;gap:30px;padding:24px 0;border-bottom:1px solid var(--line-dark);}
.timeline b{font-family:var(--ff-num);letter-spacing:.14em;color:var(--gold-l);font-size:13px;}
.timeline div{font-size:14px;color:rgba(255,255,255,.78);}
.timeline div strong{color:#fff;display:block;margin-bottom:4px;font-size:15px;}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;padding:80px 0 96px;align-items:start;}
.info-block{border-top:1px solid var(--line);padding-top:24px;margin-top:26px;}
.info-block .k{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);}
.info-block .v{font-size:16px;margin-top:8px;font-weight:600;line-height:1.9;}
.info-block .v small{display:block;font-size:12.5px;color:var(--gray);font-weight:400;letter-spacing:.04em;}
form.inquiry{background:#fff;border:1px solid var(--line);padding:40px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);margin-bottom:8px;}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line);background:var(--paper);padding:12px 14px;
  font-size:14px;font-family:inherit;color:var(--ink);outline:0;transition:.25s;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--gold);background:#fff;}
.field textarea{min-height:120px;resize:vertical;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-ok{display:none;background:var(--gold-pale);border-left:2px solid var(--gold);padding:14px 16px;font-size:13px;color:#6B5228;margin-bottom:18px;}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--navy);color:#fff;text-align:center;padding:88px 0;position:relative;overflow:hidden;}
.cta-band h2{font-size:clamp(26px,3.6vw,44px);letter-spacing:.02em;}
.cta-band p{color:rgba(255,255,255,.66);margin-top:16px;font-size:14.5px;}
.cta-band .btn{margin-top:34px;}

/* ---------- 页脚 ---------- */
footer.site{background:#0B1118;color:rgba(255,255,255,.62);padding:70px 0 0;font-size:13.5px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:48px;padding-bottom:56px;}
footer.site h4{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:#fff;margin-bottom:20px;font-weight:700;}
footer.site a:hover{color:var(--gold-l);}
.foot-links li{margin-bottom:11px;}
.foot-brand b{font-size:26px;letter-spacing:.26em;color:#fff;font-weight:800;display:block;}
.foot-brand small{display:block;font-size:10.5px;letter-spacing:.3em;color:rgba(255,255,255,.42);margin-top:8px;}
.foot-brand p{margin-top:20px;line-height:1.95;max-width:330px;color:rgba(255,255,255,.55);}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:rgba(255,255,255,.42);flex-wrap:wrap;}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1);}
.js .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none;}}

/* ---------- 响应 ---------- */
@media (max-width:1180px){
  .grid-products{grid-template-columns:repeat(3,1fr);}
  .caps{grid-template-columns:repeat(2,1fr);}
  .cats{grid-template-columns:repeat(2,1fr);}
  .lines{grid-template-columns:1fr;}
  .hero .grid{grid-template-columns:1fr;}
  .hero-visual{margin:0;padding:0;}
  .hero-visual .frame{padding:56px 0 64px;}
  .hero-tag{left:32px;}
}
@media (max-width:900px){
  .wrap{padding:0 22px;}
  .menu{display:none;}
  .burger{display:block;}
  .grid-products{grid-template-columns:repeat(2,1fr);gap:18px;}
  .pd{grid-template-columns:1fr;gap:36px;padding:40px 0 70px;}
  .pd-fig{position:static;}
  .split{grid-template-columns:1fr;gap:44px;}
  .contact{grid-template-columns:1fr;gap:40px;padding:56px 0 70px;}
  .values{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;}
  section.band{padding:72px 0;}
  .hero-stats{flex-wrap:wrap;gap:18px;}
  .hero-stats div{border:0;padding:0;margin:0;min-width:110px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .line-card{grid-template-columns:1fr;}
  .line-fig{min-height:0;aspect-ratio:16/10;}
  .line-body{padding:26px 24px 30px;}
  .filterbar{position:static;}
}
@media (max-width:600px){
  .grid-products{grid-template-columns:1fr;}
  .caps,.cats{grid-template-columns:1fr;}
  .nav{height:68px;}
  .nav-cta .btn{display:none;}
  form.inquiry{padding:26px 20px;}
  .field-row{grid-template-columns:1fr;}
  .pd-strip{grid-auto-flow:row;grid-auto-columns:auto;}
  .pd-strip div{border-left:0;border-top:1px solid var(--line-dark);}
  .timeline li{grid-template-columns:1fr;gap:6px;}
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;background:rgba(11,17,24,.5);opacity:0;pointer-events:none;
  transition:.3s;z-index:90;
}
.drawer.open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(320px,84vw);background:var(--paper);
  padding:26px;transform:translateX(100%);transition:transform .38s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:2px;
}
.drawer.open .drawer-panel{transform:none;}
.drawer-panel a{padding:15px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;}
.drawer-close{align-self:flex-end;background:none;border:0;font-size:26px;line-height:1;color:var(--ink);margin-bottom:14px;}

/* ---------- 首页补充：纸色区块 / 三列 / 规格网格 ---------- */
.band--paper{background:#FFFDFA;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.grid-3{grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-3 .card-fig{aspect-ratio:1/1.16;}
.spec-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.spec-grid>div{padding:36px 32px 40px;border-left:1px solid var(--line);}
.spec-grid>div:first-child{border-left:0;}
.spec-grid b{font-family:var(--ff-num);font-size:40px;display:block;line-height:1;letter-spacing:.01em;}
.spec-grid span{font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);display:block;margin-top:12px;font-weight:700;}
.spec-grid p{font-size:13px;color:#5A626A;margin-top:14px;line-height:1.85;}

/* ---------- 产品详情补充 ---------- */
.pd-wrap{background:var(--paper);}
.pd-wrap .crumb{color:#9A948B;padding-top:34px;}
.pd-wrap .crumb a:hover{color:var(--gold);}
.pd-note b{color:var(--gold);font-weight:700;}
.pd-info .eyebrow{margin-bottom:14px;}
.card-fig img{background:#EFEBE3;}

@media (max-width:1180px){
  .grid-3{grid-template-columns:repeat(3,1fr);}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .spec-grid>div:nth-child(3){border-left:0;}
  .spec-grid>div:nth-child(n+3){border-top:1px solid var(--line);}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-visual{min-height:440px;}
  .hero-visual::after{inset:16px;}
  .hero-tag{left:24px;bottom:24px;}
}
@media (max-width:600px){
  .grid-3{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .spec-grid>div{border-left:0;border-top:1px solid var(--line);}
  .spec-grid>div:first-child{border-top:0;}
}

/* ---------- 移动端防溢出与收紧 ---------- */
html,body{overflow-x:hidden;}
@media (max-width:900px){
  .topbar .wrap{height:auto;padding:9px 22px;gap:6px;flex-wrap:wrap;font-size:10px;letter-spacing:.08em;}
  .topbar .wrap span:last-child{display:none;}
  .hero-copy{padding:58px 0 52px;}
  .hero-copy h1 em{white-space:normal;}
  .hero-sub{max-width:100%;font-size:14.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{padding:12px 22px;font-size:12.5px;}
  .hero-stats{margin-top:38px;padding-top:20px;}
  .hero-stats b{font-size:24px;}
  .sec-head h2{font-size:26px;}
  .page-head{padding:54px 0 46px;}
  .filterbar{top:68px;}
  .pd-no{font-size:56px;}
  .pd-fig{padding:18px;}
  footer.site{padding-top:52px;}
  .foot-grid{gap:28px;}
}
@media (max-width:600px){
  .wrap{padding:0 18px;}
  .brand-name b{font-size:19px;letter-spacing:.2em;}
  .brand-name small{font-size:9px;}
  .hero-visual{min-height:380px;}
  .chip{padding:8px 13px;font-size:12px;}
  .search{flex:1 1 100%;}
  form.inquiry{padding:24px 18px;}
  .cta-band{padding:64px 0;}
}