/* ==========================================================================
   Jupintan Apparel — Design System "Structural"
   首页 / 工厂 / 关于 / 联系 = C 工业信任
   产品页 = A 暗色运动冲击(同一配色,更强版式)
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --navy:      #0d1720;
  --navy-2:    #111f2a;
  --navy-3:    #0a141c;
  --ink:       #080d12;

  --amber:     #e8a33d;
  --amber-2:   #f5b757;

  --paper:     #eef2f4;
  --steel:     #9db0bc;
  --mute:      #6d8290;
  --dim:       #43596a;

  --line:      rgba(255,255,255,.12);
  --line-2:    rgba(255,255,255,.20);

  --num:  "Bahnschrift","Arial Narrow",Arial,"Segoe UI",sans-serif;
  --sans: "Segoe UI","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;

  --wide: 1600px;
  --pad:  46px;
  --t:    .35s cubic-bezier(.2,.8,.2,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--navy);color:var(--paper);font-family:var(--sans);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
::selection{background:var(--amber);color:#0b141b}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* ---------- 3. Layout ---------- */
.wrap{max-width:var(--wide);margin:0 auto;padding:0 var(--pad)}
.wrap--narrow{max-width:1120px;margin:0 auto;padding:0 var(--pad)}
.section{padding:96px 0}
.section--tight{padding:56px 0}
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.tex{position:relative}
.tex::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:88px 88px;
}
.tex > *{position:relative;z-index:1}

/* ---------- 4. Type ---------- */
h1,h2,h3,h4{font-family:var(--num);font-weight:600;letter-spacing:-.01em;line-height:1}
h1{font-size:clamp(2.9rem,5.6vw,5.4rem);text-transform:uppercase}
h2{font-size:clamp(1.7rem,3vw,2.5rem);text-transform:uppercase;line-height:1.06}
h3{font-size:1.05rem;font-weight:600;letter-spacing:.01em;line-height:1.35}
p{color:var(--steel)}
.lead{font-size:1.02rem;line-height:1.75;color:var(--steel);max-width:52ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-size:.68rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--amber);
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--amber)}
.tag{
  display:inline-block;border:1px solid var(--line);padding:8px 14px;font-size:.66rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--steel);
}
.mono{font-family:var(--num);letter-spacing:.02em}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:16px 32px;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  font-family:var(--sans);cursor:pointer;border:1px solid transparent;transition:all var(--t);
}
.btn--amber{background:var(--amber);color:#0b141b}
.btn--amber:hover{background:var(--amber-2)}
.btn--ghost{border-color:var(--line-2);color:var(--paper)}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn--block{width:100%;justify-content:center}

/* ---------- 6. Top bar + Nav ---------- */
.topbar{background:var(--ink);border-bottom:1px solid var(--line);
        font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.topbar .in{max-width:var(--wide);margin:0 auto;padding:11px var(--pad);
            display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.topbar a{color:var(--steel)}
.topbar a:hover{color:var(--paper)}

.nav{border-bottom:1px solid var(--line);background:rgba(13,23,32,.92);
     position:sticky;top:0;z-index:60;backdrop-filter:blur(10px)}
.nav .in{max-width:var(--wide);margin:0 auto;padding:18px var(--pad);
         display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:13px}
.brand .mark-img{width:42px;height:42px;border-radius:11px;display:block;flex-shrink:0;object-fit:cover}
.brand b{display:block;font-family:var(--num);font-size:1.02rem;letter-spacing:.06em;font-weight:600;line-height:1.1}
.brand small{display:block;font-size:.6rem;letter-spacing:.22em;color:var(--mute);text-transform:uppercase;margin-top:3px}
.nav-links{display:flex;gap:30px}
.nav-links a{color:var(--steel);font-size:.77rem;letter-spacing:.14em;text-transform:uppercase;transition:color var(--t)}
.nav-links a:hover{color:var(--paper)}
.nav-links a[aria-current="page"]{color:var(--amber)}
.nav-cta{background:var(--amber);color:#0b141b;padding:12px 22px;font-size:.74rem;
         letter-spacing:.14em;text-transform:uppercase;font-weight:700;transition:background var(--t)}
.nav-cta:hover{background:var(--amber-2)}

.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:none;
            cursor:pointer;place-items:center}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--paper);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--paper)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 7. Hero (C) ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 620px at 78% 8%, rgba(232,163,61,.13), transparent 62%);
}
.hero .in{
  position:relative;z-index:2;max-width:var(--wide);margin:0 auto;padding:84px var(--pad) 0;
  display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:start;
}
.hero-copy h1{margin:22px 0 0}
.hero-copy h1 span{color:inherit}
.hero-copy h1 .hl{color:var(--amber)}
.hero-copy .lead{margin-top:30px}
.hero-actions{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}

.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.data-cell{background:var(--navy-2);padding:32px 28px 28px;position:relative;min-height:158px}
.data-cell b{display:block;font-family:var(--num);font-weight:600;font-size:clamp(2.2rem,3.6vw,3.4rem);
             line-height:1;letter-spacing:-.02em}
.data-cell b i{font-style:normal;color:var(--amber);font-size:.5em;vertical-align:super}
.data-cell span{display:block;margin-top:11px;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute)}
.data-cell small{position:absolute;right:16px;top:14px;font-size:.58rem;letter-spacing:.14em;color:#3a4d5a}

.hero-visual{grid-column:1/-1;margin-top:52px;height:320px;position:relative;
             border:1px solid var(--line);border-bottom:0;overflow:hidden}
.ph{position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(13,23,32,.94) 0%, rgba(13,23,32,.35) 45%, rgba(13,23,32,.1) 100%),
    radial-gradient(80% 120% at 72% 30%, rgba(232,163,61,.22), transparent 60%),
    linear-gradient(180deg,#243645 0%, #16232d 60%, #0d1720 100%);
}
.ph::after{content:attr(data-label);position:absolute;left:18px;bottom:16px;
  font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.45)}
.hero-visual > img{width:100%;height:100%;object-fit:cover}

/* ---------- 8. Cert strip ---------- */
.certs{background:var(--navy-3);border-bottom:1px solid var(--line)}
.certs .in{max-width:var(--wide);margin:0 auto;padding:20px var(--pad);
           display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.certs .lbl{font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);margin-right:8px}
.chip{border:1px solid var(--line);padding:7px 14px;font-size:.68rem;letter-spacing:.16em;
      color:var(--steel);text-transform:uppercase}

/* ---------- 9. Section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;
          margin-bottom:52px;flex-wrap:wrap}
.sec-head h2{max-width:24ch}
.sec-head p{max-width:38ch;font-size:.94rem;line-height:1.75}

/* ---------- 10. Tiles / cards ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tile{position:relative;aspect-ratio:3/4;overflow:hidden;display:flex;align-items:flex-end;
      padding:22px;border:1px solid var(--line)}
.tile .bg{position:absolute;inset:0;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.tile:hover .bg{transform:scale(1.06)}
.tile > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
            transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.tile:hover > img{transform:scale(1.06)}
.tile .txt{position:relative;z-index:2}
.tile h3{font-family:var(--num);text-transform:uppercase;font-size:1rem;letter-spacing:.04em}
.tile small{display:block;font-size:.68rem;letter-spacing:.16em;color:var(--steel);
            text-transform:uppercase;margin-top:6px}

.card{background:var(--navy-2);border:1px solid var(--line);padding:30px 26px;transition:border-color var(--t)}
.card:hover{border-color:var(--line-2)}
.card h3{margin-bottom:8px}
.card p{font-size:.9rem;line-height:1.7}

/* ---------- 11. Process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.step{border-right:1px solid var(--line);padding:30px 26px 34px 0}
.step:last-child{border-right:0;padding-right:0}
.step .n{font-family:var(--num);color:var(--amber);font-size:.8rem;letter-spacing:.2em}
.step h3{margin:16px 0 10px}
.step p{font-size:.88rem;line-height:1.7}

/* ---------- 12. Split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split__media{position:relative;aspect-ratio:5/4;border:1px solid var(--line);overflow:hidden}
.split__media > img{width:100%;height:100%;object-fit:cover}
.checklist{margin-top:24px;display:grid;gap:12px}
.checklist li{position:relative;padding-left:26px;font-size:.94rem;color:var(--steel);line-height:1.7}
.checklist li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;
  border:1px solid var(--amber);transform:rotate(45deg)}

/* ---------- 13. Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:.9rem}
thead th{text-align:left;padding:15px 18px;font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
         color:var(--mute);border-bottom:1px solid var(--line);white-space:nowrap;background:var(--navy-3)}
tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--steel)}
tbody tr:last-child td{border-bottom:0}
tbody td strong{color:var(--paper);font-weight:600}
tbody tr:hover td{background:rgba(255,255,255,.02)}

/* ---------- 14. Form ---------- */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
.field label .req{color:var(--amber)}
.field input,.field select,.field textarea{
  background:var(--navy-3);border:1px solid var(--line-2);color:var(--paper);
  padding:14px 15px;font-family:var(--sans);font-size:.94rem;transition:border-color var(--t);border-radius:0;
}
.field textarea{resize:vertical;min-height:140px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber)}
.form-note{font-size:.76rem;color:var(--dim);line-height:1.7}

/* ---------- 15. CTA ---------- */
.cta{background:var(--navy-2);border:1px solid var(--line);padding:56px 52px;
     display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(232,163,61,.16),transparent 70%)}
.cta h2{max-width:20ch}
.cta .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 16. Footer ---------- */
.footer{background:var(--ink);border-top:1px solid var(--line);padding:64px 0 30px}
.footer .in{max-width:var(--wide);margin:0 auto;padding:0 var(--pad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;
             padding-bottom:40px;border-bottom:1px solid var(--line)}
.footer h4{font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--mute);
           margin-bottom:16px;font-family:var(--sans);font-weight:600}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:.88rem;color:var(--steel)}
.footer-links a:hover{color:var(--amber)}
.footer p{font-size:.86rem;color:var(--mute);line-height:1.8}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
               padding-top:24px;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}

/* ---------- 17. Products page (A 增强) ---------- */
body.page-products{background:var(--ink)}
.page-products .nav{background:rgba(8,13,18,.94)}

.phero{position:relative;min-height:78vh;display:grid;grid-template-columns:1.15fr .85fr;
       align-items:end;overflow:hidden;border-bottom:1px solid var(--line)}
.phero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(800px 600px at 82% 20%, rgba(232,163,61,.16), transparent 62%),
    radial-gradient(900px 700px at 15% 85%, rgba(255,255,255,.06), transparent 65%),
    linear-gradient(160deg,#121417 0%, #08090b 58%, #060708 100%);
}
.phero-copy{position:relative;z-index:2;padding:120px 0 72px}
.phero h1{font-size:clamp(3.4rem,7.6vw,7.2rem);line-height:.9;letter-spacing:-.028em;margin-top:26px}
.phero h1 em{font-style:normal;color:var(--amber)}
.phero .lead{margin-top:30px;font-size:1.06rem;max-width:46ch;color:rgba(255,255,255,.66)}
.phero-actions{display:flex;gap:14px;margin-top:42px;flex-wrap:wrap}
.phero-visual{position:relative;height:74vh;align-self:end;overflow:hidden}
.phero-visual .ph{background:
    radial-gradient(70% 55% at 62% 22%, rgba(232,163,61,.24), transparent 60%),
    radial-gradient(60% 70% at 30% 78%, rgba(120,140,255,.14), transparent 65%),
    linear-gradient(200deg,#3a3f45 0%, #191b1e 46%, #0d0e10 100%);}
.phero-visual > img{width:100%;height:100%;object-fit:cover}

.pstat{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-bottom:1px solid var(--line)}
.pstat > div{background:var(--ink);padding:28px 26px}
.pstat b{display:block;font-family:var(--num);font-size:clamp(1.8rem,2.6vw,2.6rem);line-height:1;letter-spacing:-.02em}
.pstat b i{font-style:normal;color:var(--amber)}
.pstat span{display:block;margin-top:9px;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute)}

.pcat{padding:110px 0;border-bottom:1px solid var(--line)}
.pcat:nth-of-type(even){background:var(--navy-2)}
.pcat-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:48px;flex-wrap:wrap}
.pcat-head .idx{font-family:var(--num);color:var(--amber);font-size:.8rem;letter-spacing:.2em}
.pcat-head h2{margin-top:14px;max-width:22ch}
.pcat-head p{max-width:40ch;font-size:.94rem;line-height:1.75}
.pcat-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pcat-tiles .tile{aspect-ratio:4/5}

/* ---------- 18. Page head ---------- */
.page-head{padding:72px 0 56px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 400px at 85% 0%, rgba(232,163,61,.10), transparent 60%)}
.page-head .in{position:relative;z-index:2;max-width:var(--wide);margin:0 auto;padding:0 var(--pad)}
.page-head h1{margin:18px 0 0}
.page-head .lead{margin-top:22px}
.crumb{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
.crumb a{color:var(--mute)}
.crumb a:hover{color:var(--amber)}
.crumb span{margin:0 8px;opacity:.5}

/* ---------- 19. Notice ---------- */
.notice{border:1px solid var(--line);background:var(--navy-3);padding:18px 22px;font-size:.9rem;color:var(--steel)}
.notice--amber{border-color:rgba(232,163,61,.4);background:rgba(232,163,61,.07);color:#f3d9a8}

/* ---------- 20. Form status ---------- */
.form-status{display:none;padding:14px 18px;font-size:.9rem;margin-bottom:18px;border:1px solid}
.form-status.is-visible{display:block}
.form-status--ok{border-color:rgba(232,163,61,.45);background:rgba(232,163,61,.08);color:#f3d9a8}

/* ---------- 21. Responsive ---------- */
@media(max-width:1180px){
  .tiles{grid-template-columns:repeat(2,1fr)}
  .pcat-tiles{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:1000px){
  :root{--pad:26px}
  .hero .in{grid-template-columns:1fr;padding-top:56px;gap:40px}
  .hero-visual{height:260px;margin-top:36px}
  .split{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:1fr 1fr}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:24px 0}
  .phero{grid-template-columns:1fr;min-height:auto}
  .phero-copy{padding:80px 0 40px}
  .phero-visual{height:44vh}
  .pstat{grid-template-columns:1fr 1fr}
  .cta{grid-template-columns:1fr;padding:40px 28px}
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .nav.is-open .nav-links{
    display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;
    background:var(--navy);border-bottom:1px solid var(--line);padding:8px var(--pad) 16px;
  }
  .nav.is-open .nav-links a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .in{position:relative}
}
@media(max-width:680px){
  .tiles,.pcat-tiles,.form-row{grid-template-columns:1fr}
  .pstat{grid-template-columns:1fr}
  .section{padding:64px 0}
  h1{font-size:clamp(2.4rem,9vw,3.4rem)}
  .hero-copy h1{font-size:clamp(2.2rem,8.5vw,3.2rem)}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn,.phero-actions .btn{width:100%;justify-content:center}
}

@media(prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---------- 22. 圆角系统(倒角观感) ---------- */
.tile{border-radius:16px}
.tile .bg{border-radius:16px}
.tile > img{border-radius:16px}
.hero-visual{border-radius:20px 20px 0 0}
.split__media{border-radius:20px}
.split__media > img{border-radius:20px}
.phero-visual{border-radius:20px 0 0 20px}
.phero-visual > img{border-radius:20px 0 0 20px}
.pcat-tiles .tile{border-radius:16px}
.card{border-radius:16px}
.data-grid{border-radius:16px;overflow:hidden}
.data-cell{border-radius:0}
.table-wrap{border-radius:14px}
.cta{border-radius:20px}
.notice{border-radius:14px}
.chip{border-radius:999px}
.certs .chip{border-radius:999px}
.topbar{border-radius:0}
.field input,.field select,.field textarea{border-radius:10px}
.btn{border-radius:9px}
.nav-cta{border-radius:8px}
.tag{border-radius:8px}

@media(max-width:1000px){
  .phero-visual{border-radius:20px}
  .hero-visual{border-radius:20px 20px 0 0}
}
/* ---------- 23. 产品库(筛选 + SKU 卡片) ---------- */
.shop{padding:76px 0 96px;border-bottom:1px solid var(--line)}
.shop-bar{position:sticky;top:82px;z-index:40;display:flex;align-items:center;gap:14px;
  justify-content:space-between;flex-wrap:wrap;padding:14px 16px;margin-bottom:32px;
  background:rgba(10,16,22,.94);border:1px solid var(--line);border-radius:16px;
  backdrop-filter:blur(12px);box-shadow:0 10px 30px -18px #000}
.shop-bar__g{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.shop-bar label{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute)}
.sel-wrap{position:relative;display:inline-block}
.sel-wrap::after{content:"";position:absolute;right:16px;top:50%;width:7px;height:7px;
  border-right:1.5px solid var(--steel);border-bottom:1.5px solid var(--steel);
  transform:translateY(-70%) rotate(45deg);pointer-events:none}
.sel-wrap select{appearance:none;background:var(--navy-3);border:1px solid var(--line-2);color:var(--paper);
  padding:12px 42px 12px 15px;font-family:var(--sans);font-size:.86rem;border-radius:11px;
  min-width:250px;cursor:pointer;transition:border-color var(--t)}
.sel-wrap select:focus{outline:none;border-color:var(--amber)}
.shop-search{position:relative}
.shop-search input{background:var(--navy-3);border:1px solid var(--line-2);color:var(--paper);
  padding:12px 15px 12px 38px;font-family:var(--sans);font-size:.86rem;border-radius:11px;
  width:240px;transition:border-color var(--t)}
.shop-search input:focus{outline:none;border-color:var(--amber)}
.shop-search::before{content:"";position:absolute;left:14px;top:50%;width:11px;height:11px;
  border:1.5px solid var(--mute);border-radius:50%;transform:translateY(-60%);pointer-events:none}
.shop-search::after{content:"";position:absolute;left:24px;top:calc(50% + 4px);width:5px;height:1.5px;
  background:var(--mute);transform:rotate(45deg);pointer-events:none}
.shop-count{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);white-space:nowrap}
.shop-count b{color:var(--amber);font-family:var(--num);font-size:.95rem}

.shop-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sku{background:var(--navy-2);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,box-shadow .4s;
  animation:skuIn .45s cubic-bezier(.2,.8,.2,1) both}
@keyframes skuIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.sku:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 22px 44px -28px #000}
.sku__img{position:relative;aspect-ratio:4/5;overflow:hidden;background-image:radial-gradient(120% 85% at 72% -5%,rgba(255,255,255,.13),transparent 58%),radial-gradient(90% 70% at 10% 105%,rgba(232,163,61,.10),transparent 60%)}
.sku__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.sku:hover .sku__img img{transform:scale(1.05)}
.sku__img::after{content:attr(data-label);position:absolute;left:14px;bottom:12px;
  font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.35)}
.sku__no{position:absolute;right:12px;top:12px;background:rgba(10,16,22,.72);border:1px solid var(--line);
  color:var(--steel);font-family:var(--num);font-size:.68rem;letter-spacing:.1em;padding:5px 10px;border-radius:999px}
.sku__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.sku__cat{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber)}
.sku h3{font-family:var(--sans);font-size:1rem;font-weight:650;line-height:1.35;letter-spacing:0;text-transform:none}
.sku__desc{font-size:.84rem;line-height:1.6;color:var(--mute)}
.sku__mat{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:.7rem;letter-spacing:.06em;color:var(--dim);text-transform:uppercase}
.sku__mat span{display:block;margin-top:4px;color:var(--steel);text-transform:none;letter-spacing:0;font-size:.8rem}
.shop-empty{display:none;padding:80px 20px;text-align:center;border:1px dashed var(--line);border-radius:18px}
.shop-empty.is-on{display:block}
.shop-empty h3{margin-bottom:8px;font-size:1.1rem}
.shop-empty p{font-size:.9rem;color:var(--mute)}

@media(max-width:1180px){ .shop-grid{grid-template-columns:repeat(3,1fr)} }
@media(max-width:900px){
  .shop-grid{grid-template-columns:repeat(2,1fr)}
  .shop-bar{top:auto;position:static}
  .sel-wrap select{min-width:0;width:100%}
  .shop-search input{width:100%}
  .shop-bar__g{width:100%}
  .shop-search{flex:1}
}
@media(max-width:560px){ .shop-grid{grid-template-columns:1fr} }
/* 产品页首屏压缩:让产品库尽快出现 */
.phero{min-height:auto}
.phero-copy{padding:80px 0 48px}
.phero-visual{height:52vh;min-height:360px}
@media(max-width:1000px){
  .phero-copy{padding:56px 0 32px}
  .phero-visual{height:38vh;min-height:260px}
}
/* 产品页首屏再压缩 */
.phero-copy{padding:64px 0 40px}
.phero h1{font-size:clamp(3rem,6.2vw,5.6rem)}
.phero-visual{height:46vh;min-height:320px}
/* ---------- 24. 产品库:左侧分类栏 ---------- */
.shop{padding:56px 0 96px;border-bottom:1px solid var(--line)}
.shop-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:34px;align-items:start}

.shop-side{position:sticky;top:96px;border:1px solid var(--line);border-radius:18px;
  background:var(--navy-2);padding:20px 16px 18px}
.shop-side__head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:14px}
.shop-side__title{font-family:var(--num);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber)}
.shop-side .sel-wrap{display:block;margin-bottom:14px}
.shop-side .sel-wrap select{width:100%;min-width:0}
.shop-side__rule{height:1px;background:var(--line);margin:0 0 12px}

.cat-list{display:grid;gap:3px}
.cat-list button{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;
  padding:10px 12px;border:1px solid transparent;border-radius:10px;background:none;color:var(--steel);
  font-family:var(--sans);font-size:.86rem;line-height:1.25;text-align:left;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t)}
.cat-list button:hover{background:rgba(255,255,255,.05);color:var(--paper)}
.cat-list button.is-active{background:var(--amber);border-color:var(--amber);color:#0b141b;font-weight:650}
.cat-list button b{font-family:var(--num);font-size:.72rem;font-weight:600;opacity:.7}
.cat-list button.is-active b{opacity:.85}

.shop-main{min-width:0}
.shop-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.shop-tools .shop-search input{width:290px}
.shop-side__note{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  font-size:.72rem;line-height:1.6;color:var(--dim)}

@media(max-width:1000px){
  .shop-layout{grid-template-columns:1fr;gap:22px}
  .shop-side{position:static;padding:16px 14px}
  .shop-side .cat-list{grid-template-columns:1fr 1fr;gap:6px}
  .cat-list button{font-size:.8rem;padding:9px 10px}
  .shop-tools .shop-search input{width:100%}
  .shop-tools .shop-search{flex:1}
}
@media(max-width:560px){
  .shop-side .cat-list{grid-template-columns:1fr}
}

/* ---------- 25. 导航下拉菜单 ---------- */
.nav-links > li{position:relative}
.nav-links > li.has-sub > a{display:inline-flex;align-items:center;gap:6px}
.nav-links > li.has-sub > a::after{content:"";width:5px;height:5px;border-right:1.4px solid currentColor;
  border-bottom:1.4px solid currentColor;transform:rotate(45deg) translateY(-1px);opacity:.6}
.nav-sub{position:absolute;left:-14px;top:100%;padding-top:13px;display:none;z-index:80}
.nav-sub__in{min-width:246px;background:#0d1720;border:1px solid var(--line);border-radius:16px;
  padding:9px;box-shadow:0 26px 60px -26px #000}
.nav-sub__in a{display:block;padding:9px 12px;border-radius:9px;font-size:.82rem;letter-spacing:.03em;
  text-transform:none;color:var(--steel)}
.nav-sub__in a:hover{background:rgba(255,255,255,.06);color:var(--amber)}
.nav-links > li.has-sub:hover .nav-sub,
.nav-links > li.has-sub:focus-within .nav-sub{display:block}

@media(max-width:1000px){
  .nav-sub{position:static;padding-top:0;display:block}
  .nav-sub__in{min-width:0;background:none;border:0;border-radius:0;padding:0 0 6px 14px;box-shadow:none}
  .nav-sub__in a{padding:10px 0;border-bottom:1px solid var(--line);font-size:.8rem;color:var(--mute)}
  .nav-links > li.has-sub > a::after{display:none}
}
.shop-main .shop-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:1180px){ .shop-main .shop-grid{grid-template-columns:repeat(2,1fr)} }
@media(max-width:560px){ .shop-main .shop-grid{grid-template-columns:1fr} }
/* ---------- 26. 数据条居中 + 琥珀胶囊步骤卡 + 视频位 ---------- */
.pstat > div{text-align:center}
.pstat b{justify-content:center}
.pstat span{text-align:center}

.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  border-top:0;padding-top:0;margin-top:8px;
}
.step{
  border:1px solid rgba(232,163,61,.42);
  border-radius:24px;
  background:rgba(232,163,61,.045);
  padding:30px 22px;text-align:center;border-right:0;
  transition:border-color .35s,background .35s,transform .35s;
}
.step:hover{
  border-color:rgba(232,163,61,.8);
  background:rgba(232,163,61,.075);
  transform:translateY(-3px);
}
.step .n{
  display:inline-grid;place-items:center;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--amber);color:var(--amber);
  background:rgba(232,163,61,.10);
  font-family:var(--num);font-size:.84rem;letter-spacing:.04em;
  margin:0 auto 16px;
}
.step h3{margin:0 0 10px;font-size:1.03rem;letter-spacing:0;text-transform:none}
.step p{margin:0;font-size:.86rem;line-height:1.68;color:var(--mute)}

@media(max-width:1000px){
  .steps{grid-template-columns:1fr 1fr;gap:14px}
  .step{padding:24px 16px;text-align:center}
}
@media(max-width:560px){
  .steps{grid-template-columns:1fr}
}

/* 视频容器 */
.split__media video,.phero-visual video,.hero-visual video,.pcat-media video{
  width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit;background:#000;
}
.split__media.is-video{border-radius:20px}
/* ---------- 27. 产品详情页 ---------- */
.sku{text-decoration:none;color:inherit;display:flex;flex-direction:column}
.sku:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

.pdp{padding:26px 0 96px}
.pdp-crumb{margin-bottom:26px}
.pdp-grid{display:grid;grid-template-columns:minmax(0,45%) minmax(0,1fr);gap:56px;align-items:start}
.pdp-media{position:sticky;top:96px;aspect-ratio:3/4;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(160deg,#22323f,#101a22)}
.pdp-media img{width:100%;height:100%;object-fit:cover;display:block}
.pdp-media .ph::after{content:attr(data-label);left:18px;bottom:16px}

.pdp-info h1{font-family:var(--sans);font-weight:650;font-size:clamp(1.7rem,3vw,2.6rem);
  line-height:1.15;text-transform:none;letter-spacing:-.01em;margin:14px 0 0}
.pdp-spec{margin-top:26px;border-top:1px solid var(--line)}
.pdp-spec .row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:15px 0;
  border-bottom:1px solid var(--line);font-size:.92rem}
.pdp-spec .k{color:var(--mute);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;padding-top:4px}
.pdp-spec .v{color:var(--paper);line-height:1.6}
.pdp-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.pdp-note{margin-top:20px;font-size:.8rem;color:var(--dim);line-height:1.7;max-width:46ch}
.pdp-related{margin-top:80px;padding-top:44px;border-top:1px solid var(--line)}

@media(max-width:900px){
  .pdp-grid{grid-template-columns:1fr;gap:26px}
  .pdp-media{position:static;aspect-ratio:4/5}
  .pdp-spec .row{grid-template-columns:120px 1fr}
  .pdp-actions .btn{width:100%;justify-content:center}
}
/* ---------- 28. 首页类目轮播 ---------- */
.rail{position:relative;margin-top:6px}
.rail__track{
  display:flex;gap:18px;overflow-x:auto;scroll-behavior:smooth;
  scroll-snap-type:x proximity;padding:6px 2px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail__track::-webkit-scrollbar{display:none}

.cat-card{
  flex:0 0 auto;width:min(322px,78vw);scroll-snap-align:start;
  border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:var(--navy-2);display:flex;flex-direction:column;
  text-decoration:none;color:inherit;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,box-shadow .4s;
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 24px 46px -30px #000}
.cat-card__img{
  aspect-ratio:4/5;background-size:cover;background-position:center top;position:relative;
  transition:transform .6s cubic-bezier(.2,.8,.2,1);
}
.cat-card:hover .cat-card__img{transform:scale(1.04)}
.cat-card__img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,13,18,0) 45%,rgba(8,13,18,.55) 78%,rgba(8,13,18,.95) 100%);
}
.cat-card__body{padding:16px 20px 22px;position:relative;z-index:2;margin-top:-6px}
.cat-card__n{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber)}
.cat-card h3{
  margin:7px 0 12px;font-family:var(--num);font-size:1.02rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.03em;line-height:1.2;
}
.cat-card__cta{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);
  transition:color .3s}
.cat-card:hover .cat-card__cta{color:var(--amber)}

.rail__btn{
  position:absolute;top:42%;z-index:6;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line-2);background:rgba(10,16,22,.88);color:var(--paper);
  display:grid;place-items:center;cursor:pointer;font-size:1.25rem;line-height:1;
  backdrop-filter:blur(8px);transition:background .3s,border-color .3s,color .3s,opacity .3s;
}
.rail__btn:hover{background:var(--amber);border-color:var(--amber);color:#0b141b}
.rail__btn--prev{left:-10px}
.rail__btn--next{right:-10px}
.rail__btn[disabled]{opacity:.25;cursor:default;pointer-events:none}

@media(max-width:1000px){
  .rail__btn{display:none}
  .cat-card{width:min(280px,80vw)}
}
/* ---------- 29. 语言切换 ---------- */
.lang{position:relative;margin-left:6px}
.lang select{
  appearance:none;-webkit-appearance:none;
  background:transparent;border:1px solid var(--line-2);color:var(--steel);
  font-family:var(--sans);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;
  padding:9px 28px 9px 12px;border-radius:9px;cursor:pointer;
  transition:border-color .3s,color .3s;
}
.lang select:hover,.lang select:focus{border-color:var(--amber);color:var(--amber);outline:none}
.lang::after{
  content:"";position:absolute;right:12px;top:50%;width:5px;height:5px;
  border-right:1.4px solid currentColor;border-bottom:1.4px solid currentColor;
  transform:translateY(-70%) rotate(45deg);pointer-events:none;color:var(--steel);
}
.lang option{background:#0d1720;color:#eef2f4}
@media(max-width:1000px){
  .lang{margin:10px 0 0}
  .lang select{width:100%;padding:12px 28px 12px 12px}
}
/* ---------- 30. RTL(阿拉伯语等从右到左) ---------- */
[dir="rtl"] body{text-align:right}
[dir="rtl"] .nav .in,[dir="rtl"] .topbar .in,[dir="rtl"] .footer-bottom{flex-direction:row-reverse}
[dir="rtl"] .nav-links,[dir="rtl"] .footer-links{direction:rtl}
[dir="rtl"] .brand{flex-direction:row-reverse}
[dir="rtl"] .eyebrow{flex-direction:row-reverse}
[dir="rtl"] .eyebrow::before{margin-left:12px;margin-right:0}
[dir="rtl"] .hero .in,[dir="rtl"] .pdp-grid,[dir="rtl"] .shop-layout,[dir="rtl"] .split,
[dir="rtl"] .footer-grid,[dir="rtl"] .cta,[dir="rtl"] .pcat-head{ direction:rtl }
[dir="rtl"] .pdp-spec .row,[dir="rtl"] .data-cell,[dir="rtl"] .step,
[dir="rtl"] .card,[dir="rtl"] .notice,[dir="rtl"] .sku__body{text-align:right}
[dir="rtl"] .checklist li{padding-left:0;padding-right:26px}
[dir="rtl"] .checklist li::before{left:auto;right:0}
[dir="rtl"] .field label,[dir="rtl"] .pdp-spec .k{text-align:right}
[dir="rtl"] .btn,[dir="rtl"] .nav-cta,[dir="rtl"] .tag,[dir="rtl"] .chip{direction:rtl}
[dir="rtl"] .rail__btn--prev{left:auto;right:-10px}
[dir="rtl"] .rail__btn--next{right:auto;left:-10px}
[dir="rtl"] .hero-copy,[dir="rtl"] .phero-copy{text-align:right}
[dir="rtl"] .sec-head{flex-direction:row-reverse;text-align:right}
/* ---------- 31. 长单词语言的字号适配(德/俄/葡等) ---------- */
[data-lang="de"] .hero-copy h1,
[data-lang="ru"] .hero-copy h1,
[data-lang="pt"] .hero-copy h1{font-size:clamp(2.1rem,3.9vw,4rem)}
[data-lang="fr"] .hero-copy h1,
[data-lang="es"] .hero-copy h1{font-size:clamp(2.3rem,4.4vw,4.4rem)}
[data-lang="de"] .phero h1,
[data-lang="ru"] .phero h1{font-size:clamp(2.6rem,5.4vw,5rem)}
/* ---------- 32. 流程卡片图片位 ---------- */
.step{overflow:hidden;position:relative}
.step__media{
  margin:-30px -22px 20px;aspect-ratio:3/2;overflow:hidden;position:relative;
  border-radius:22px 22px 0 0;background:linear-gradient(160deg,#22323f,#111a22);
}
.step__media img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.step:hover .step__media img{transform:scale(1.05)}
.step__media .ph::after{left:14px;bottom:10px;font-size:.55rem}
@media(max-width:1000px){
  .step__media{margin:-24px -16px 16px}
}
/* ---------- 33. News / 文章 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:var(--navy-2);text-decoration:none;color:inherit;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,box-shadow .4s;animation:skuIn .5s both}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 24px 46px -30px #000}
.news-card__img{aspect-ratio:16/10;background:#1a2430 center/cover no-repeat;position:relative}
.news-card__img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,13,18,0) 55%,rgba(8,13,18,.45) 100%)}
.news-card__cat{position:absolute;left:14px;top:14px;z-index:2;background:rgba(10,16,22,.85);
  border:1px solid var(--line);color:var(--amber);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;
  padding:5px 10px;border-radius:999px}
.news-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-card__date{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
.news-card h3{font-family:var(--num);font-size:1.02rem;line-height:1.32;text-transform:none;letter-spacing:0;color:var(--paper)}
.news-card p{font-size:.86rem;line-height:1.62;color:var(--mute)}
.news-card__more{margin-top:auto;padding-top:12px;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);
  transition:color .3s}
.news-card:hover .news-card__more{color:var(--amber)}

.article{padding:28px 0 96px}
.article-head{margin:26px 0 30px}
.article-head h1{font-family:var(--num);font-size:clamp(1.9rem,3.6vw,3rem);line-height:1.15;
  text-transform:none;letter-spacing:-.01em;margin:14px 0}
.article-meta{display:flex;gap:10px;align-items:center;font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mute)}
.article-meta .dot{opacity:.5}
.article-cover{margin:0 0 34px;aspect-ratio:16/8;border-radius:20px;border:1px solid var(--line);
  background:#1a2430 center/cover no-repeat;overflow:hidden}
.article-body{font-size:1.02rem;line-height:1.85;color:var(--steel);max-width:70ch}
.article-body h2{font-family:var(--num);font-size:1.45rem;text-transform:none;letter-spacing:0;color:var(--paper);margin:38px 0 14px}
.article-body h3{font-family:var(--num);font-size:1.12rem;color:var(--paper);margin:28px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul{margin:0 0 20px;padding-left:20px;list-style:disc}
.article-body li{margin-bottom:8px}
.article-body strong{color:var(--paper)}
.article-body a{color:var(--amber);border-bottom:1px solid rgba(232,163,61,.45)}
.article-body blockquote{margin:0 0 22px;padding:16px 20px;border-left:2px solid var(--amber);
  background:rgba(232,163,61,.06);border-radius:0 12px 12px 0;color:var(--paper);font-style:italic}
.article-foot{display:flex;gap:12px;margin:48px 0 0;padding-top:28px;border-top:1px solid var(--line);flex-wrap:wrap}
.article-more{margin-top:64px;padding-top:36px;border-top:1px solid var(--line)}
.article-more h2{font-size:1.15rem;margin-bottom:22px;text-transform:none;letter-spacing:0}
@media(max-width:1180px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.news-grid{grid-template-columns:1fr}}
/* ---------- 34. 背景视频位(首屏 / 工厂) ---------- */
.is-bgvideo{position:relative;overflow:hidden}
.is-bgvideo video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;display:block;border-radius:inherit;
}
.is-bgvideo .ph{z-index:1}
.hero-visual.is-bgvideo{min-height:320px}
.split__media.is-bgvideo{min-height:320px}
@media(max-width:1000px){
  .split__media.is-bgvideo{min-height:260px}
}