/* ============================================================
   ZHICHENG BIO — design system v2
   Navy #0b3a5c family + electric cyan #22d3ee
   Sans display + mono data accents. Zero external requests.
   ============================================================ */
:root{
  --navy:#0b3a5c;
  --navy-deep:#072a44;
  --ink-abyss:#03121f;
  --navy-ink:#04182a;
  --steel:#31577a;
  --steel-soft:#5d7c98;
  --cyan:#22d3ee;
  --cyan-soft:#7ce7f6;
  --cyan-deep:#0891b2;
  --cyan-ink:#0e7490;
  --ink:#0e1620;
  --gray:#55636f;
  --gray-2:#7d8a96;
  --line:#dce3ea;
  --line-soft:#e8edf2;
  --paper:#ffffff;
  --soft:#f4f7f9;
  --soft-2:#eef2f6;
  --ok:#15803d;
  --ok-bg:#e7f6ec;
  --warn:#b45309;
  --warn-bg:#fdf2df;
  --late:#875a12;
  --late-bg:#f7ecd7;

  --sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --d1:clamp(2.6rem,5.6vw,4.6rem);          /* hero display */
  --d2:clamp(1.9rem,3.4vw,3rem);            /* section display */
  --d3:clamp(1.25rem,1.8vw,1.5rem);         /* card heading */

  --r-sm:8px; --r-md:12px; --r-lg:16px;
  --shadow-1:0 1px 2px rgba(7,42,68,.05),0 6px 18px rgba(7,42,68,.06);
  --shadow-2:0 2px 6px rgba(7,42,68,.06),0 20px 44px rgba(7,42,68,.13);
  --sec-pad:clamp(80px,9vw,128px);
  --header-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:rgba(34,211,238,.28)}
:focus-visible{outline:2.5px solid var(--cyan-deep);outline-offset:3px;border-radius:3px}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,32px)}
.mono{font-family:var(--mono)}
.num-mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
section{padding:var(--sec-pad) 0}

/* ---- section header pattern: mono index + kicker + display title ---- */
.kicker{display:inline-flex;align-items:baseline;gap:14px;font-family:var(--mono);font-size:.78rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan-ink)}
.kicker .idx{color:var(--gray-2);letter-spacing:.08em}
.kicker::after{content:"";align-self:center;width:44px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.sec-title{margin-top:18px;font-size:var(--d2);font-weight:800;letter-spacing:-.025em;line-height:1.1;max-width:20ch}
.sec-title .thin{font-weight:350;color:var(--steel-soft)}
.sec-sub{margin-top:20px;max-width:640px;color:var(--gray);font-size:1.06rem;line-height:1.7}
.on-dark .kicker{color:var(--cyan)}
.on-dark .kicker .idx{color:rgba(255,255,255,.4)}
.on-dark .sec-title{color:#fff}
.on-dark .sec-title .thin{color:#8fa9be}
.on-dark .sec-sub{color:#a9bfd0}

/* ============ Header ============ */
header{position:sticky;top:0;z-index:200;background:rgba(4,24,42,.92);backdrop-filter:blur(12px) saturate(1.4);-webkit-backdrop-filter:blur(12px) saturate(1.4);border-bottom:1px solid rgba(255,255,255,.08)}
.hd{display:flex;align-items:center;gap:28px;height:var(--header-h);max-width:1360px;margin:0 auto;padding:0 clamp(20px,3vw,32px)}
.logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:1.16rem;letter-spacing:.045em;white-space:nowrap}
.logo em{font-style:normal;color:var(--cyan)}
.logo img{width:36px;height:36px;flex:0 0 auto}
nav.main{display:flex;gap:4px;margin-left:auto;align-items:center}
nav.main a{position:relative;color:#bacfdf;font-weight:600;font-size:.9rem;letter-spacing:.03em;padding:8px 13px;border-radius:7px;transition:color .18s,background .18s}
nav.main a:hover{color:#fff;background:rgba(255,255,255,.07)}
nav.main a::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
nav.main a:hover::after{transform:scaleX(1)}
.cta-quote-btn{display:inline-flex;align-items:center;gap:9px;background:var(--cyan);color:var(--navy-ink);font-weight:800;font-size:.88rem;letter-spacing:.04em;padding:11px 22px;border-radius:9px;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.cta-quote-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(34,211,238,.38);background:#53dff2}
.hd>.cta-quote-btn{margin-left:8px}
nav.main .cta-quote-btn{display:none}
.nav-toggle{display:none;position:relative;width:44px;height:44px;margin-left:auto;border-radius:9px}
.nav-toggle span{position:absolute;left:11px;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .28s cubic-bezier(.4,0,.2,1),opacity .2s,top .28s}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}
@media(max-width:1020px){
  nav.main{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--navy-ink);flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 24px;border-bottom:1px solid rgba(255,255,255,.1);box-shadow:0 30px 50px rgba(0,0,0,.4)}
  nav.main.open{display:flex;animation:navDrop .25s ease}
  @keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
  nav.main a{padding:15px 6px;font-size:1.02rem;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0}
  nav.main a::after{display:none}
  .nav-toggle{display:block}
  .hd>.cta-quote-btn{display:none}
  nav.main a.cta-quote-btn{display:inline-flex;justify-content:center;margin-top:18px;color:var(--navy-ink);border-bottom:none}
  nav.main a.cta-quote-btn:hover{background:#53dff2}
}

/* ============ Hero ============ */
.hero{position:relative;background:linear-gradient(158deg,var(--ink-abyss) 0%,var(--navy-ink) 38%,var(--navy-deep) 72%,#0d3f63 100%);color:#fff;overflow:hidden}
.hero-inner{position:relative;z-index:3;padding:clamp(84px,10vw,140px) 0 clamp(64px,7vw,96px)}
.hero-grid-bg{position:absolute;inset:0;z-index:1;background-image:linear-gradient(rgba(255,255,255,.038) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.038) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 100% 90% at 62% 8%,#000 25%,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 100% 90% at 62% 8%,#000 25%,transparent 78%)}
.hero-glow{position:absolute;z-index:1;right:-14%;top:-28%;width:820px;height:820px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.14),rgba(34,211,238,.04) 45%,transparent 65%)}
.hero-mol{position:absolute;z-index:2;right:clamp(-260px,-8vw,-40px);top:44%;transform:translateY(-50%);width:min(58vw,760px);height:auto;pointer-events:none}
.mol-drift{animation:molDrift 14s ease-in-out infinite alternate}
@keyframes molDrift{from{transform:translateY(-52%) rotate(-.6deg)}to{transform:translateY(-48%) rotate(.6deg)}}
.hero-tag{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(34,211,238,.42);background:rgba(34,211,238,.06);color:var(--cyan-soft);font-family:var(--mono);font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;padding:8px 18px;border-radius:999px}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{margin-top:30px;font-size:var(--d1);font-weight:800;line-height:1.04;letter-spacing:-.03em;max-width:830px}
.hero h1 .hl{color:var(--cyan)}
.hero h1 .sub-line{display:block;font-weight:350;color:#9db6c9;letter-spacing:-.02em;font-size:.62em;margin-top:16px;line-height:1.3}
.hero .lead{margin-top:26px;font-size:clamp(1rem,1.4vw,1.16rem);color:#b6c9d8;max-width:620px;line-height:1.75}
.hero .lead b{color:#e6f0f7;font-weight:700}
.hero-actions{margin-top:40px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:1rem;padding:16px 32px;border-radius:10px;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s}
.btn svg{width:17px;height:17px;transition:transform .2s}
.btn.primary{background:var(--cyan);color:var(--navy-ink);box-shadow:0 6px 22px rgba(34,211,238,.28)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(34,211,238,.42);background:#53dff2}
.btn.primary:hover svg{transform:translateX(3px)}
.btn.ghost{border:1.5px solid rgba(255,255,255,.32);color:#fff}
.btn.ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.hero-note{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;color:#7d99ad;text-transform:uppercase}

/* stat band with animated counters */
.stat-band{position:relative;z-index:3;border-top:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.045);backdrop-filter:blur(6px)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,32px)}
.stat{padding:34px 26px 32px;border-left:1px solid rgba(255,255,255,.1)}
.stat:first-child{border-left:none;padding-left:0}
.stat .num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(1.7rem,2.6vw,2.4rem);font-weight:800;color:var(--cyan);letter-spacing:-.03em;line-height:1}
.stat .num .unit{font-size:.55em;font-weight:700;color:var(--cyan-soft);margin-left:2px;letter-spacing:0}
.stat .lab{margin-top:10px;font-size:.85rem;font-weight:600;color:#9fb6c8;letter-spacing:.02em;line-height:1.45}
@media(max-width:820px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat{padding:22px 18px;border-left:none;border-top:1px solid rgba(255,255,255,.1)}
  .stat:first-child{padding-left:18px}
  .hero-mol{opacity:.4;right:-40vw;width:110vw}
}

/* availability ticker */
.ticker-strip{position:relative;z-index:3;background:var(--ink-abyss);border-top:1px solid rgba(255,255,255,.07);overflow:hidden}
.ticker-strip::before,.ticker-strip::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none}
.ticker-strip::before{left:0;background:linear-gradient(90deg,var(--ink-abyss),transparent)}
.ticker-strip::after{right:0;background:linear-gradient(-90deg,var(--ink-abyss),transparent)}
.ticker{display:flex;width:max-content;animation:tick 60s linear infinite}
.ticker-strip:hover .ticker{animation-play-state:paused}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker ul{display:flex;list-style:none;padding:13px 0}
.ticker li{display:flex;align-items:center;gap:9px;padding:0 26px;font-family:var(--mono);font-size:.78rem;font-weight:600;letter-spacing:.05em;color:#8ba6ba;white-space:nowrap;border-right:1px solid rgba(255,255,255,.07)}
.ticker li .st{width:7px;height:7px;border-radius:50%;flex:none}
.ticker li .st.ok{background:#34d399;box-shadow:0 0 8px rgba(52,211,153,.7)}
.ticker li .st.w{background:#f0b35c}
.ticker li b{color:#d6e4ee;font-weight:700}

/* ============ Products ============ */
.prod-sec{background:var(--soft)}
.prod-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}
.prod-toolbar{position:sticky;top:var(--header-h);z-index:90;margin-top:40px;background:var(--soft);padding:14px 0 12px;transition:box-shadow .25s}
.prod-toolbar.stuck{box-shadow:0 14px 22px -16px rgba(7,42,68,.22)}
.prod-toolbar-inner{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.filter-tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:2px;flex:1 1 auto;min-width:0}
.filter-tabs::-webkit-scrollbar{display:none}
.filter-tabs button{flex:none;font-size:.84rem;font-weight:700;letter-spacing:.02em;color:#41505d;background:#fff;border:1px solid var(--line);padding:9px 17px;border-radius:999px;transition:background .18s,color .18s,border-color .18s,box-shadow .18s}
.filter-tabs button:hover{border-color:var(--steel-soft);color:var(--navy)}
.filter-tabs button.active{background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:0 4px 12px rgba(11,58,92,.28)}
.filter-tabs button .n{font-family:var(--mono);font-size:.72rem;opacity:.55;margin-left:5px}
.prod-search{position:relative;flex:0 1 260px;min-width:190px}
.prod-search input{width:100%;font-size:.9rem;padding:10px 14px 10px 38px;border:1px solid var(--line);border-radius:999px;outline:none;background:#fff;transition:border-color .2s,box-shadow .2s;font-family:inherit;color:var(--ink)}
.prod-search input:focus{border-color:var(--cyan-deep);box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.prod-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:#8795a2;pointer-events:none}
.view-toggle{display:flex;flex:none;background:#fff;border:1px solid var(--line);border-radius:9px;padding:3px;gap:2px}
.view-toggle button{display:flex;align-items:center;gap:7px;font-size:.8rem;font-weight:700;color:#5d6b78;padding:7px 13px;border-radius:6px;transition:background .18s,color .18s}
.view-toggle button svg{width:14px;height:14px}
.view-toggle button.active{background:var(--navy);color:#fff}
.view-toggle button:not(.active):hover{background:var(--soft-2)}
.prod-count{margin-top:18px;font-family:var(--mono);font-size:.76rem;color:var(--gray-2);letter-spacing:.09em;text-transform:uppercase}

/* card view */
.prod-grid{margin-top:14px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.pcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 24px 20px;display:flex;flex-direction:column;transition:transform .22s cubic-bezier(.2,.6,.3,1),box-shadow .22s,border-color .22s;overflow:hidden}
.pcard::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--navy));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#c6d5e1}
.pcard:hover::after{transform:scaleX(1)}
.pcard-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.pcard .cat{font-family:var(--mono);font-size:.64rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);background:var(--soft-2);padding:5px 10px;border-radius:5px;white-space:nowrap}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:.72rem;font-weight:800;letter-spacing:.05em;padding:5px 12px;border-radius:999px;white-space:nowrap;font-family:var(--mono)}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.ok{color:var(--ok);background:var(--ok-bg)}
.badge.ok::before{box-shadow:0 0 6px rgba(21,128,61,.6);animation:pulse 2.6s ease-in-out infinite}
.badge.w1{color:var(--warn);background:var(--warn-bg)}
.badge.w2{color:var(--late);background:var(--late-bg)}
.pcard h3{margin-top:16px;font-size:var(--d3);font-weight:800;line-height:1.25;letter-spacing:-.015em}
.pcard .spec{margin-top:6px;font-family:var(--mono);font-size:.8rem;color:var(--gray);min-height:1.3em}
.price-row{margin-top:13px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price-row .pr{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:1.06rem;font-weight:800;color:var(--navy);letter-spacing:-.02em}
.price-row .pr em{font-style:normal;font-size:.72em;font-weight:700;color:var(--steel-soft)}
.price-row .pr-lab{font-size:.7rem;font-weight:600;color:var(--gray-2);border-bottom:1px dotted var(--gray-2);cursor:help;letter-spacing:.02em}
.prod-table td.price{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:.84rem;font-weight:800;color:var(--navy);white-space:nowrap}
.prod-table td.price .vol{display:block;font-weight:600;font-size:.66rem;color:var(--gray-2);letter-spacing:.02em}
.ship-goods{margin-top:14px;font-size:.82rem;color:var(--gray);background:var(--soft);border:1px solid var(--line-soft);border-radius:9px;padding:11px 14px}
.ship-goods b{color:var(--navy);font-family:var(--mono);font-weight:800}
.pcard .meta{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:6px;font-size:.8rem;color:var(--gray-2)}
.pcard .meta div{display:flex;align-items:center;gap:8px}
.pcard .meta svg{width:13px;height:13px;stroke:#9aa8b4;flex:none}
.pcard-actions{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.pcard .rfq{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;font-weight:800;color:var(--navy);transition:gap .2s,color .2s}
.pcard .rfq svg{width:15px;height:15px}
.pcard .rfq:hover{color:var(--cyan-deep);gap:13px}
.ship-link{display:inline-flex;align-items:center;gap:7px;font-size:.76rem;font-weight:700;font-family:var(--mono);letter-spacing:.03em;color:var(--steel);background:var(--soft-2);border:1px solid transparent;padding:7px 12px;border-radius:999px;transition:background .18s,color .18s,border-color .18s}
.ship-link svg{width:14px;height:14px;stroke:currentColor}
.ship-link:hover{background:rgba(34,211,238,.14);color:var(--cyan-ink);border-color:rgba(34,211,238,.4)}

/* table view */
.prod-table-wrap{margin-top:14px;display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:auto;box-shadow:var(--shadow-1)}
.prod-table{width:100%;border-collapse:collapse;min-width:900px;font-size:.9rem}
.prod-table thead th{position:sticky;top:0;background:var(--navy-ink);color:#bfd3e2;font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;text-align:left;padding:14px 18px;white-space:nowrap}
.prod-table thead th.sortable{cursor:pointer;user-select:none}
.prod-table thead th.sortable:hover{color:#fff}
.prod-table thead th .arr{display:inline-block;margin-left:6px;opacity:.45;font-size:.85em}
.prod-table thead th[aria-sort="ascending"] .arr::after{content:"↑";opacity:1;color:var(--cyan)}
.prod-table thead th[aria-sort="descending"] .arr::after{content:"↓";opacity:1;color:var(--cyan)}
.prod-table thead th:not([aria-sort]) .arr::after,.prod-table thead th[aria-sort="none"] .arr::after{content:"↕"}
.prod-table tbody td{padding:13px 18px;border-top:1px solid var(--line-soft);vertical-align:middle}
.prod-table tbody tr{transition:background .15s}
.prod-table tbody tr:hover{background:#f6fafc}
.prod-table td.name{font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.prod-table td.spec{font-family:var(--mono);font-size:.78rem;color:var(--gray)}
.prod-table td.cat{font-size:.8rem;color:var(--gray)}
.prod-table td .rfq{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:800;color:var(--navy);white-space:nowrap}
.prod-table td .rfq svg{width:13px;height:13px}
.prod-table td .rfq:hover{color:var(--cyan-deep)}
.catalog.table-mode .prod-grid{display:none}
.catalog.table-mode .prod-table-wrap{display:block}
.prod-empty{margin-top:24px;padding:48px 28px;text-align:center;color:var(--gray);border:1.5px dashed var(--line);border-radius:var(--r-md);font-size:.98rem;display:none;background:#fff}
.prod-empty a{color:var(--cyan-deep);font-weight:700}
.prod-foot{margin-top:34px;display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:var(--r-sm);padding:18px 22px;font-size:.92rem;color:var(--gray)}
.prod-foot svg{width:20px;height:20px;stroke:var(--cyan-deep);flex:none}
.prod-foot b{color:var(--ink)}

/* ============ Process (How we work) ============ */
.proc-grid{margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.proc-grid::before{content:"";position:absolute;top:27px;left:calc(12.5% + 26px);right:calc(12.5% + 26px);height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 18px)}
.step{position:relative;padding:0 26px}
.step .n{position:relative;z-index:2;width:54px;height:54px;border-radius:50%;background:#fff;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.95rem;font-weight:800;color:var(--steel);transition:border-color .25s,background .25s,color .25s,box-shadow .25s}
.step:hover .n{border-color:var(--cyan);color:var(--navy);box-shadow:0 0 0 6px rgba(34,211,238,.14)}
.step h3{margin-top:22px;font-size:1.12rem;font-weight:800;letter-spacing:-.01em}
.step p{margin-top:9px;font-size:.9rem;color:var(--gray);line-height:1.65}
.step .tt{margin-top:12px;display:inline-block;font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-ink);background:rgba(34,211,238,.1);padding:4px 10px;border-radius:5px}
@media(max-width:900px){
  .proc-grid{grid-template-columns:1fr 1fr;gap:40px 0}
  .proc-grid::before{display:none}
}
@media(max-width:540px){.proc-grid{grid-template-columns:1fr}}

/* ============ Supply pillars (why us) ============ */
.pillar-sec{background:var(--soft)}
.pillar-grid{margin-top:52px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pillar{display:flex;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 32px 30px;transition:transform .22s,box-shadow .22s,border-color .22s}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6d5e1}
.pillar .ico{flex:none;width:54px;height:54px;border-radius:13px;background:linear-gradient(140deg,var(--navy),var(--steel));display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(11,58,92,.24)}
.pillar .ico svg{width:26px;height:26px;stroke:var(--cyan)}
.pillar h3{font-size:1.18rem;font-weight:800;letter-spacing:-.015em}
.pillar p{margin-top:8px;font-size:.92rem;color:var(--gray);line-height:1.7}
.pillar p b{color:var(--ink)}
@media(max-width:820px){.pillar-grid{grid-template-columns:1fr}}
@media(max-width:480px){.pillar{flex-direction:column;gap:18px}}

/* ============ Quality & Documentation ============ */
.quality-sec{background:linear-gradient(160deg,var(--ink-abyss),var(--navy-ink) 55%,var(--navy-deep));color:#fff;position:relative;overflow:hidden}
.quality-sec .bg-glow{position:absolute;left:-160px;bottom:-260px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.1),transparent 62%)}
.quality-sec .wrap{position:relative;z-index:2}
.q-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,6vw,84px);align-items:start;margin-top:8px}
.q-points{margin-top:38px;display:grid;gap:6px}
.q-point{display:flex;gap:18px;align-items:flex-start;padding:16px 18px;border-radius:var(--r-md);transition:background .2s}
.q-point:hover{background:rgba(255,255,255,.05)}
.q-point .tick{flex:none;width:28px;height:28px;border-radius:50%;background:rgba(34,211,238,.13);border:1px solid rgba(34,211,238,.5);display:flex;align-items:center;justify-content:center;margin-top:2px}
.q-point .tick svg{width:13px;height:13px;stroke:var(--cyan);stroke-width:3}
.q-point h4{font-size:1.02rem;font-weight:800;letter-spacing:-.01em}
.q-point p{margin-top:4px;font-size:.9rem;color:#a3bacc;line-height:1.65}
/* document-style cards */
.doc-stack{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.doc-paper{position:relative;background:#fdfefe;color:var(--ink);border-radius:10px;padding:24px 22px 20px;box-shadow:0 18px 40px rgba(0,0,0,.35);transition:transform .25s,box-shadow .25s;overflow:hidden}
.doc-paper::before{content:"";position:absolute;top:0;right:0;border-style:solid;border-width:0 26px 26px 0;border-color:transparent var(--navy-ink) transparent transparent;filter:drop-shadow(-2px 2px 3px rgba(0,0,0,.18))}
.doc-paper::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan)}
.doc-paper:hover{transform:translateY(-5px) rotate(-.4deg);box-shadow:0 28px 54px rgba(0,0,0,.45)}
.doc-paper .tag{font-family:var(--mono);font-size:.64rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-ink)}
.doc-paper h3{margin-top:8px;font-size:1.02rem;font-weight:800;letter-spacing:-.01em;line-height:1.3}
.doc-paper .lines{margin-top:14px;display:grid;gap:7px}
.doc-paper .lines i{display:block;height:5px;border-radius:3px;background:var(--soft-2)}
.doc-paper .lines i:nth-child(1){width:92%}
.doc-paper .lines i:nth-child(2){width:78%}
.doc-paper .lines i:nth-child(3){width:85%}
.doc-paper p{margin-top:14px;font-size:.78rem;color:var(--gray);line-height:1.55}
.doc-note{grid-column:1/-1;font-size:.82rem;color:#8fa8ba;line-height:1.65;padding:0 4px}
@media(max-width:960px){.q-grid{grid-template-columns:1fr}}
@media(max-width:520px){.doc-stack{grid-template-columns:1fr}}

/* ============ Logistics ============ */
.log-grid{margin-top:56px;display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(36px,5vw,72px);align-items:start}
.lead-tiers{display:grid;gap:14px}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;transition:transform .2s,box-shadow .2s}
.tier:hover{transform:translateX(4px);box-shadow:var(--shadow-1)}
.tier .row{display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.tier h4{font-size:1rem;font-weight:800;letter-spacing:-.01em}
.tier .time{font-family:var(--mono);font-size:.8rem;font-weight:800;letter-spacing:.04em}
.tier .bar{margin-top:12px;height:8px;border-radius:5px;background:var(--soft-2);overflow:hidden}
.tier .bar i{display:block;height:100%;border-radius:5px;width:0;transition:width 1.1s cubic-bezier(.25,.7,.3,1)}
.tier.t-ok .bar i{background:linear-gradient(90deg,#16a34a,#4ade80)}
.tier.t-w1 .bar i{background:linear-gradient(90deg,#d97706,#fbbf24)}
.tier.t-w2 .bar i{background:linear-gradient(90deg,#a16207,#d9a94a)}
.tier.t-ok .time{color:var(--ok)}
.tier.t-w1 .time{color:var(--warn)}
.tier.t-w2 .time{color:var(--late)}
.tier p{margin-top:10px;font-size:.85rem;color:var(--gray)}
.in-view .tier.t-ok .bar i{width:16%}
.in-view .tier.t-w1 .bar i{width:52%}
.in-view .tier.t-w2 .bar i{width:88%}
.route-card{background:var(--navy-ink);color:#fff;border-radius:var(--r-lg);padding:34px 34px 30px;box-shadow:var(--shadow-2);position:relative;overflow:hidden}
.route-card::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px}
.route-card>*{position:relative}
.route-card h3{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan)}
.route-line{margin-top:26px;display:flex;align-items:center;gap:12px}
.route-pt{text-align:center;flex:none}
.route-pt .c{width:13px;height:13px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.8);margin:0 auto}
.route-pt .c.hollow{background:transparent;border:2.5px solid var(--cyan);box-shadow:none}
.route-pt .l{margin-top:10px;font-size:.8rem;font-weight:700;color:#cfe0ec;white-space:nowrap}
.route-pt .s{font-family:var(--mono);font-size:.64rem;color:#7d99ad;letter-spacing:.08em;text-transform:uppercase;margin-top:2px}
.route-dash{flex:1;height:2px;background:repeating-linear-gradient(90deg,rgba(34,211,238,.65) 0 8px,transparent 8px 15px);position:relative;overflow:hidden}
.route-dash::after{content:"";position:absolute;top:-3px;left:-10%;width:26px;height:8px;border-radius:5px;background:linear-gradient(90deg,transparent,var(--cyan));animation:ship 3.2s linear infinite}
@keyframes ship{from{left:-12%}to{left:104%}}
.route-meta{margin-top:28px;display:grid;gap:11px;font-size:.88rem;color:#b6c9d8}
.route-meta div{display:flex;gap:11px;align-items:flex-start}
.route-meta svg{width:16px;height:16px;stroke:var(--cyan);flex:none;margin-top:3px}
.route-meta b{color:#fff}
.terms-chips{margin-top:24px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;gap:9px;flex-wrap:wrap}
.terms-chips span{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--cyan-soft);border:1px solid rgba(34,211,238,.4);padding:6px 13px;border-radius:999px}
@media(max-width:900px){.log-grid{grid-template-columns:1fr}}

/* ============ Shipping estimates ============ */
.ship-sec{background:var(--soft)}
.ship-stamp{margin-top:14px;display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--warn);background:var(--warn-bg);border:1px dashed rgba(180,83,9,.4);border-radius:7px;padding:7px 13px}
.ship-stamp svg{width:14px;height:14px;stroke:currentColor;flex:none}
.ship-table-wrap{margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:auto;box-shadow:var(--shadow-1)}
.ship-table{width:100%;border-collapse:collapse;min-width:820px;font-size:.9rem}
.ship-table thead th{background:var(--navy-ink);color:#bfd3e2;font-family:var(--mono);font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;text-align:left;padding:13px 18px;white-space:nowrap}
.ship-table thead th.mode-air{color:var(--cyan-soft)}
.ship-table tbody td{padding:14px 18px;border-top:1px solid var(--line-soft);vertical-align:top}
.ship-table tbody tr:hover{background:#f6fafc}
.ship-table td.rg{font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.ship-table td .rate{font-family:var(--mono);font-size:.82rem;font-weight:700;color:var(--ink);white-space:nowrap}
.ship-table td .days{display:block;margin-top:3px;font-size:.76rem;color:var(--gray-2)}
.ship-table td.note-cell{font-size:.8rem;color:var(--gray);min-width:220px}
.ship-foot{margin-top:16px;font-size:.8rem;color:var(--gray-2);line-height:1.6}

/* ============ Shipping modal ============ */
.ship-overlay{position:fixed;inset:0;z-index:400;background:rgba(3,18,31,.68);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);display:none;align-items:flex-start;justify-content:center;padding:24px;overflow-y:auto}
.ship-overlay.open{display:flex;animation:shipFade .22s ease}
@keyframes shipFade{from{opacity:0}to{opacity:1}}
.ship-modal{background:#fff;color:var(--ink);border-radius:var(--r-lg);max-width:660px;width:100%;margin:auto 0;box-shadow:0 40px 90px rgba(0,0,0,.5);animation:shipUp .28s cubic-bezier(.2,.7,.3,1)}
@keyframes shipUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.ship-m-head{display:flex;align-items:flex-start;gap:16px;padding:26px 28px 20px;border-bottom:1px solid var(--line-soft)}
.ship-m-head .tt{font-family:var(--mono);font-size:.66rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-ink)}
.ship-m-head h3{margin-top:6px;font-size:1.3rem;font-weight:800;letter-spacing:-.02em;line-height:1.25}
.ship-m-head .lead-line{margin-top:9px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.82rem;color:var(--gray)}
.ship-close{margin-left:auto;flex:none;width:38px;height:38px;border-radius:10px;background:var(--soft-2);display:flex;align-items:center;justify-content:center;transition:background .18s,transform .18s}
.ship-close:hover{background:#dfe7ee;transform:rotate(90deg)}
.ship-close svg{width:16px;height:16px;stroke:var(--steel);stroke-width:2.4}
.ship-m-body{padding:22px 28px 28px}
.ship-controls{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}
.ship-controls label{font-weight:700;font-size:.78rem;color:#2b3947;letter-spacing:.02em}
.ship-controls select,.ship-controls input{width:100%;margin-top:7px;padding:11px 13px;font-size:.9rem;border:1.5px solid var(--line);background:#fafbfc;border-radius:9px;outline:none;font-family:inherit;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.ship-controls select:focus,.ship-controls input:focus{border-color:var(--cyan-deep);background:#fff;box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.ship-compare{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mode-card{border:1px solid var(--line);border-radius:var(--r-md);padding:20px;transition:border-color .2s,box-shadow .2s}
.mode-card:hover{border-color:#b9cdda;box-shadow:var(--shadow-1)}
.mode-card .mh{display:flex;align-items:center;gap:10px;font-weight:800;font-size:.95rem}
.mode-card .mh svg{width:19px;height:19px;stroke:var(--cyan-deep);flex:none}
.mode-card .mh .ml{font-family:var(--mono);font-size:.62rem;font-weight:700;letter-spacing:.1em;color:var(--gray-2);margin-left:auto;text-transform:uppercase}
.mode-card dl{margin-top:16px;display:grid;gap:11px}
.mode-card dt{font-family:var(--mono);font-size:.62rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gray-2)}
.mode-card dd{margin-top:2px;font-weight:800;font-size:.98rem;letter-spacing:-.01em}
.mode-card dd.big{font-size:1.15rem;color:var(--navy)}
.mode-card dd .sm{font-weight:600;font-size:.72rem;color:var(--gray-2)}
.ship-m-note{margin-top:18px;display:flex;gap:10px;align-items:flex-start;font-size:.76rem;color:var(--warn);background:var(--warn-bg);border:1px dashed rgba(180,83,9,.35);border-radius:9px;padding:12px 14px;line-height:1.55}
.ship-m-note svg{width:15px;height:15px;stroke:currentColor;flex:none;margin-top:1px}
.ship-m-cta{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.ship-m-cta .q-btn{display:inline-flex;align-items:center;gap:9px;background:var(--navy);color:#fff;font-weight:800;font-size:.9rem;padding:13px 24px;border-radius:9px;transition:background .2s,transform .2s}
.ship-m-cta .q-btn:hover{background:var(--navy-deep);transform:translateY(-2px)}
.ship-m-cta .q-btn svg{width:15px;height:15px}
.ship-m-cta .upd{font-family:var(--mono);font-size:.68rem;color:var(--gray-2);letter-spacing:.04em}
@media(max-width:560px){.ship-controls,.ship-compare{grid-template-columns:1fr}.ship-m-head,.ship-m-body{padding-left:20px;padding-right:20px}}
.acts-cell{display:flex;align-items:center;gap:12px;white-space:nowrap}

/* ============ About ============ */
.about-sec{background:#fff}
.faq-sec{background:var(--soft)}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(40px,6vw,80px);align-items:start;margin-top:8px}
.about-copy p{margin-top:20px;font-size:1.02rem;color:#38434e;line-height:1.85}
.about-copy p:first-of-type{margin-top:28px}
.about-copy .pull{margin-top:28px;padding:22px 26px;border-left:3px solid var(--cyan);background:#fff;border-radius:0 var(--r-md) var(--r-md) 0;font-size:1.05rem;font-weight:600;color:var(--navy);line-height:1.7;box-shadow:var(--shadow-1)}
.serve-card{background:var(--navy-ink);color:#fff;border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-2)}
.serve-card h3{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan)}
.serve-list{margin-top:22px;display:grid;gap:4px}
.serve-list>div{display:flex;align-items:center;gap:15px;font-weight:700;font-size:.98rem;padding:13px 12px;border-radius:9px;transition:background .2s}
.serve-list>div:hover{background:rgba(255,255,255,.06)}
.serve-list svg{width:21px;height:21px;stroke:var(--cyan);flex:none}
.serve-meta{margin-top:26px;padding-top:24px;border-top:1px solid rgba(255,255,255,.13);display:grid;gap:10px;font-size:.88rem;color:#a3bacc}
.serve-meta b{color:#fff;font-weight:700}
@media(max-width:900px){.about-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-list{margin-top:48px;max-width:820px;display:grid;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq[open]{border-color:#b9cdda;box-shadow:var(--shadow-1)}
.faq summary{display:flex;align-items:center;gap:16px;list-style:none;cursor:pointer;padding:20px 24px;font-weight:800;font-size:1.02rem;letter-spacing:-.01em;user-select:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary .qn{font-family:var(--mono);font-size:.74rem;font-weight:800;color:var(--cyan-ink);flex:none;width:30px}
.faq summary .chev{margin-left:auto;flex:none;width:26px;height:26px;border-radius:50%;background:var(--soft-2);display:flex;align-items:center;justify-content:center;transition:transform .28s,background .2s}
.faq summary .chev svg{width:13px;height:13px;stroke:var(--steel);stroke-width:2.6}
.faq[open] summary .chev{transform:rotate(180deg);background:rgba(34,211,238,.16)}
.faq .a{padding:0 24px 22px 70px;font-size:.94rem;color:var(--gray);line-height:1.75}
.faq .a b{color:var(--ink)}
@media(max-width:560px){.faq .a{padding-left:24px}}

/* ============ Contact / RFQ ============ */
.contact-sec{background:linear-gradient(160deg,var(--ink-abyss),var(--navy-ink) 50%,var(--navy-deep));color:#fff;position:relative;overflow:hidden}
.contact-sec .bg-glow{position:absolute;right:-200px;top:-200px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.1),transparent 62%)}
.contact-sec .wrap{position:relative;z-index:2}
.contact-grid{margin-top:52px;display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(30px,4vw,54px);align-items:start}
.c-block{display:grid;gap:14px}
.c-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:20px 24px;display:flex;gap:17px;align-items:flex-start;transition:border-color .2s,background .2s,transform .2s}
.c-item:hover{border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.06);transform:translateY(-2px)}
.c-item .ic{flex:none;width:44px;height:44px;border-radius:11px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.35);display:flex;align-items:center;justify-content:center}
.c-item .ic svg{width:20px;height:20px;stroke:var(--cyan)}
.c-item h4{font-size:.94rem;font-weight:800}
.c-item p{margin-top:4px;font-size:.9rem;color:#a9bfd0;line-height:1.6;word-break:break-word}
.c-item a{color:var(--cyan);font-weight:700}
.c-item a:hover{text-decoration:underline}
.ph-flag{display:inline-block;font-family:var(--mono);font-size:.64rem;font-weight:700;color:#f3c98a;background:rgba(217,119,6,.16);border:1px dashed rgba(240,179,92,.55);border-radius:5px;padding:2px 8px;margin-left:7px;vertical-align:1px;letter-spacing:.05em}
.rfq-card{background:#fff;color:var(--ink);border-radius:var(--r-lg);padding:clamp(26px,3.4vw,42px);box-shadow:0 30px 70px rgba(0,0,0,.4)}
.rfq-card h3{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}
.rfq-card .hint{margin-top:7px;font-size:.88rem;color:var(--gray)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.rfq-card label{display:block;margin-top:20px;font-weight:700;font-size:.83rem;color:#2b3947;letter-spacing:.02em}
.rfq-card label .req{color:#dc2626}
.rfq-card input,.rfq-card select,.rfq-card textarea{width:100%;margin-top:8px;padding:12px 15px;font-size:.92rem;border:1.5px solid var(--line);background:#fafbfc;border-radius:9px;outline:none;font-family:inherit;color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
.rfq-card input:focus,.rfq-card select:focus,.rfq-card textarea:focus{border-color:var(--cyan-deep);background:#fff;box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.rfq-card textarea{resize:vertical;min-height:100px}
.rfq-card .send{width:100%;margin-top:28px;background:var(--navy);color:#fff;font-size:1rem;font-weight:800;letter-spacing:.03em;padding:16px;border-radius:10px;display:flex;align-items:center;justify-content:center;gap:11px;transition:background .2s,transform .2s,box-shadow .2s}
.rfq-card .send:hover{background:var(--navy-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(4,24,42,.45)}
.rfq-card .send svg{width:17px;height:17px}
.rfq-card .note{margin-top:14px;color:#8795a2;font-size:.76rem;line-height:1.6}
@media(max-width:920px){.contact-grid{grid-template-columns:1fr}.f-row{grid-template-columns:1fr}}

/* ============ Footer ============ */
footer{background:var(--ink-abyss);color:#bacfdf;padding:72px 0 0;border-top:1px solid rgba(255,255,255,.06)}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:48px}
.ft-brand .logo{font-size:1.1rem}
.ft-brand p{margin-top:18px;font-size:.88rem;color:#7d99ad;line-height:1.75;max-width:340px}
.ft-grid h4{font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:#5f7d93;margin-bottom:22px}
.ft-grid ul{list-style:none;display:grid;gap:13px;font-size:.9rem}
.ft-grid ul a{transition:color .2s,padding-left .2s}
.ft-grid ul a:hover{color:var(--cyan);padding-left:4px}
.ft-contact p{margin-bottom:13px;font-size:.9rem;line-height:1.7;color:#a3bacc}
.ft-contact a{color:var(--cyan)}
.ft-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.08);padding:24px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8rem;color:#5f7d93}
@media(max-width:840px){.ft-grid{grid-template-columns:1fr;gap:38px}}

/* ============ Reveal + motion ============ */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.6,.3,1),transform .7s cubic-bezier(.2,.6,.3,1)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.08s}
.rv[data-d="2"]{transition-delay:.16s}
.rv[data-d="3"]{transition-delay:.24s}
.rv[data-d="4"]{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv,.rv[data-d]{opacity:1;transform:none;transition:none}
  .ticker{animation:none;overflow-x:auto}
  .ticker-strip{overflow-x:auto}
  .mol-drift{animation:none}
  .hero-tag .dot,.badge.ok::before{animation:none}
  .route-dash::after{animation:none;display:none}
  .tier .bar i{transition:none}
  .in-view .tier .bar i{transition:none}
  .ship-overlay.open{animation:none}
  .ship-modal{animation:none}
  *{scroll-behavior:auto!important}
}

/* ============================================================
   Multi-page additions: lang switch, page hero, breadcrumbs,
   product detail, category tiles, CTA band, R&D cards
   ============================================================ */
.lang-switch{display:inline-flex;align-items:center;gap:2px;font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.08em;border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:3px;white-space:nowrap;flex:none}
.lang-switch a,.lang-switch b{padding:5px 11px;border-radius:999px;color:#9db6c9;font-weight:700}
.lang-switch b{background:rgba(34,211,238,.16);color:var(--cyan)}
.lang-switch a{transition:color .18s,background .18s}
.lang-switch a:hover{color:#fff;background:rgba(255,255,255,.08)}
.logo .zh{font-size:.8rem;font-weight:600;color:#8fa9be;letter-spacing:.2em;margin-left:11px;padding-left:12px;border-left:1px solid rgba(255,255,255,.22)}
@media(max-width:480px){.logo .zh{display:none}}
nav.main a.active{color:#fff}
nav.main a.active::after{transform:scaleX(1)}
@media(max-width:1020px){.hd .lang-switch{margin-left:auto;margin-right:2px;order:2}.hd .nav-toggle{order:3;margin-left:0}}
.net-grid{margin-top:48px;grid-template-columns:repeat(3,1fr)}
.net-grid .pillar{flex-direction:column;gap:18px}
@media(max-width:900px){.net-grid{grid-template-columns:1fr}}

.page-hero{position:relative;background:linear-gradient(158deg,var(--ink-abyss) 0%,var(--navy-ink) 55%,var(--navy-deep) 100%);color:#fff;padding:clamp(48px,6vw,76px) 0 clamp(44px,5vw,64px);overflow:hidden}
.page-hero .hero-grid-bg{mask-image:radial-gradient(ellipse 120% 120% at 60% 0%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 120% 120% at 60% 0%,#000 30%,transparent 80%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .kicker{color:var(--cyan)}
.page-hero .kicker .idx{color:rgba(255,255,255,.4)}
.page-hero h1{margin-top:18px;font-size:var(--d2);font-weight:800;letter-spacing:-.025em;line-height:1.12;max-width:26ch}
.page-hero h1 .thin{font-weight:350;color:#8fa9be}
.page-hero .sub{margin-top:16px;max-width:660px;color:#a9bfd0;font-size:1.02rem;line-height:1.7}
.crumbs{position:relative;z-index:2;display:flex;gap:9px;flex-wrap:wrap;font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;color:#7d99ad;margin-bottom:20px}
.crumbs a{color:#9db6c9;transition:color .18s}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:#d6e4ee}

.detail-sec{background:var(--soft)}
.detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3.5vw,48px);align-items:start}
.d-card,.est-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,3vw,40px);box-shadow:var(--shadow-1)}
.d-top{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.d-title{margin-top:16px;font-size:var(--d2);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.d-spec{margin-top:10px;font-family:var(--mono);font-size:.9rem;color:var(--gray)}
.d-price{margin-top:22px;padding:18px 22px;background:var(--soft);border:1px solid var(--line-soft);border-radius:var(--r-md);display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.d-price .pr{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(1.2rem,2vw,1.55rem);font-weight:800;color:var(--navy);letter-spacing:-.02em}
.d-price .pr em{font-style:normal;font-size:.58em;font-weight:700;color:var(--steel-soft)}
.d-price .lab{font-size:.78rem;color:var(--gray-2);font-weight:600}
.d-note{margin-top:12px;font-size:.8rem;color:var(--gray-2);line-height:1.65}
.d-meta{margin-top:22px;display:grid;gap:9px;font-size:.92rem;color:var(--gray)}
.d-meta b{color:var(--ink)}
.d-docs{margin-top:24px;padding-top:20px;border-top:1px dashed var(--line)}
.d-docs h3{font-size:.95rem;font-weight:800}
.d-docs .chips{margin-top:12px;display:flex;gap:9px;flex-wrap:wrap}
.d-docs .chips span{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--steel);background:var(--soft-2);padding:6px 12px;border-radius:999px}
.d-docs p{margin-top:12px;font-size:.82rem;color:var(--gray);line-height:1.65}
.d-cta{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn.navy{background:var(--navy);color:#fff;box-shadow:0 6px 20px rgba(11,58,92,.25)}
.btn.navy:hover{background:var(--navy-deep);transform:translateY(-2px)}
.btn.line{border:1.5px solid var(--line);color:var(--navy)}
.btn.line:hover{border-color:var(--cyan-deep);color:var(--cyan-deep);transform:translateY(-2px)}
.est-card .tt{font-family:var(--mono);font-size:.66rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-ink)}
.est-card h2{margin-top:6px;font-size:1.15rem;font-weight:800;letter-spacing:-.01em}
.est-card .lead-line{margin-top:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.82rem;color:var(--gray)}
.est-card .ship-controls{margin-top:18px}
@media(max-width:920px){.detail-grid{grid-template-columns:1fr}}
.rel-sec{background:#fff}

.cat-tiles{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cat-tile{position:relative;display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 26px 22px;transition:transform .22s,box-shadow .22s,border-color .22s;overflow:hidden}
.cat-tile::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--navy));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.cat-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6d5e1}
.cat-tile:hover::after{transform:scaleX(1)}
.cat-tile .n{font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.1em;color:var(--cyan-ink);text-transform:uppercase}
.cat-tile h3{margin-top:8px;font-size:1.08rem;font-weight:800;letter-spacing:-.01em}
.cat-tile p{margin-top:8px;font-size:.85rem;color:var(--gray);line-height:1.6}
.cat-tile .go{margin-top:16px;display:inline-flex;align-items:center;gap:7px;font-size:.84rem;font-weight:800;color:var(--navy)}
.cat-tile .go svg{width:14px;height:14px}
.cat-tile:hover .go{color:var(--cyan-deep)}
@media(max-width:900px){.cat-tiles{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cat-tiles{grid-template-columns:1fr}}

.cta-band{position:relative;background:linear-gradient(140deg,var(--navy-ink),var(--navy-deep) 70%,#0d3f63);color:#fff;border-radius:var(--r-lg);padding:clamp(34px,5vw,54px);display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;overflow:hidden;box-shadow:var(--shadow-2)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px}
.cta-band>*{position:relative}
.cta-band h2{font-size:clamp(1.35rem,2.6vw,1.9rem);font-weight:800;letter-spacing:-.02em;line-height:1.25;max-width:24ch}
.cta-band p{margin-top:10px;color:#a9bfd0;font-size:.95rem;max-width:52ch}

.rnd-grid{margin-top:44px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.rnd-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;display:flex;gap:22px;align-items:flex-start;transition:transform .22s,box-shadow .22s,border-color .22s}
.rnd-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6d5e1}
.rnd-card .avatar{flex:none;width:84px;height:84px;border-radius:50%;overflow:hidden;border:2px solid var(--line);background:var(--soft)}
.rnd-card .avatar svg{width:100%;height:100%;display:block}
.rnd-card h3{font-size:1.08rem;font-weight:800;letter-spacing:-.01em}
.rnd-card .role{margin-top:4px;font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--cyan-ink)}
.rnd-card ul{margin-top:12px;padding-left:18px;font-size:.85rem;color:var(--gray);display:grid;gap:5px;line-height:1.6}
.rnd-card .duty{margin-top:12px;font-size:.86rem;color:#38434e;line-height:1.65}
.rnd-note{margin-top:16px;font-size:.8rem;color:var(--gray-2);line-height:1.6}
@media(max-width:860px){.rnd-grid{grid-template-columns:1fr}}
@media(max-width:480px){.rnd-card{flex-direction:column}}

/* footer social icons */
.ft-social{margin-top:20px;display:flex;gap:10px}
.ft-social a{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);transition:border-color .2s,background .2s,transform .2s}
.ft-social a:hover{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.1);transform:translateY(-2px)}
.ft-social svg{width:17px;height:17px;fill:#9db6c9;transition:fill .2s}
.ft-social a:hover svg{fill:var(--cyan)}

/* ============================================================
   v3 additions — data-sheet detail pages, cert strip, RFQ band
   ============================================================ */

/* ---- product detail: sticky anchor nav ---- */
.d-anchors{position:sticky;top:var(--header-h);z-index:150;background:rgba(255,255,255,.92);backdrop-filter:blur(10px) saturate(1.3);-webkit-backdrop-filter:blur(10px) saturate(1.3);border-bottom:1px solid var(--line)}
.d-anchors .wrap{display:flex;align-items:center;gap:16px;height:58px}
.d-anchor-links{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0}
.d-anchor-links::-webkit-scrollbar{display:none}
.d-anchor-links a{position:relative;flex:0 0 auto;padding:8px 13px;font-size:.85rem;font-weight:700;color:var(--gray);border-radius:7px;transition:color .18s,background .18s;white-space:nowrap}
.d-anchor-links a:hover{color:var(--navy);background:var(--soft-2)}
.d-anchor-links a.active{color:var(--cyan-ink)}
.d-anchor-links a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:-1px;height:2.5px;border-radius:2px;background:var(--cyan)}
.d-anchor-cta{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;background:var(--navy);color:#fff;font-size:.83rem;font-weight:800;letter-spacing:.02em;padding:9px 17px;border-radius:999px;transition:background .2s,transform .2s}
.d-anchor-cta:hover{background:var(--navy-deep);transform:translateY(-1px)}
.d-anchor-cta svg{width:14px;height:14px}
@media(max-width:720px){.d-anchor-cta{display:none}}

/* ---- detail: CAS line + key points ---- */
.d-ids{margin-top:10px;font-size:.82rem;font-weight:600;letter-spacing:.04em;color:var(--cyan-ink)}
.d-kp{margin-top:26px;background:#f2fafc;border:1px solid rgba(34,211,238,.35);border-radius:var(--r-md);padding:20px 22px}
.d-kp h3{font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-ink)}
.d-kp ul{list-style:none;margin-top:12px;display:grid;gap:9px}
.d-kp li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:#2b3947;line-height:1.55}
.d-kp li svg{flex:0 0 auto;width:16px;height:16px;margin-top:2px;stroke:var(--cyan-deep);stroke-width:3}

/* ---- detail: differentiator row ---- */
.diff-grid{margin-top:clamp(32px,4vw,48px);display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.diff{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-1)}
.diff .ico{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:11px;background:var(--soft);color:var(--navy)}
.diff .ico svg{width:21px;height:21px;stroke:currentColor}
.diff h3{font-size:.95rem;font-weight:800;letter-spacing:-.01em}
.diff p{margin-top:5px;font-size:.83rem;color:var(--gray);line-height:1.6}
@media(max-width:1080px){.diff-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.diff-grid{grid-template-columns:1fr}}

/* ---- detail: spec / pack tables ---- */
.spec-table-wrap{margin-top:36px;overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1)}
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem}
.spec-table tr+tr{border-top:1px solid var(--line-soft)}
.spec-table th{width:230px;text-align:left;padding:14px 22px;font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);background:var(--soft);vertical-align:top}
.spec-table td{padding:14px 22px;color:#2b3947}
@media(max-width:640px){.spec-table th{width:130px;padding:12px 14px}.spec-table td{padding:12px 14px}}
.spec-note{margin-top:18px;display:flex;gap:10px;align-items:flex-start;font-size:.83rem;color:var(--gray);line-height:1.6;max-width:640px}
.spec-note svg{flex:0 0 auto;width:17px;height:17px;margin-top:1px;stroke:var(--cyan-deep)}

/* ---- detail: application tiles ---- */
.app-grid{margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.app-tile{display:flex;gap:11px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;font-size:.92rem;font-weight:700;color:#2b3947;box-shadow:var(--shadow-1)}
.app-tile svg{flex:0 0 auto;width:17px;height:17px;stroke:var(--cyan-deep);stroke-width:3}
@media(max-width:1080px){.app-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.app-grid{grid-template-columns:1fr}}

/* ---- detail: product FAQ accordion ---- */
.pfaq-list{margin-top:36px;max-width:860px;display:grid;gap:12px}
details.pfaq{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);overflow:hidden}
details.pfaq summary{display:flex;align-items:center;gap:16px;padding:18px 22px;cursor:pointer;list-style:none;font-weight:700;font-size:.97rem;color:var(--ink);transition:background .18s}
details.pfaq summary::-webkit-details-marker{display:none}
details.pfaq summary:hover{background:var(--soft)}
details.pfaq summary .n{flex:0 0 auto;font-size:.78rem;font-weight:700;color:var(--cyan-ink)}
details.pfaq summary .q{flex:1;min-width:0}
details.pfaq summary .pm{flex:0 0 auto;position:relative;width:18px;height:18px}
details.pfaq summary .pm::before,details.pfaq summary .pm::after{content:"";position:absolute;left:50%;top:50%;background:var(--steel);border-radius:2px;transition:transform .25s}
details.pfaq summary .pm::before{width:14px;height:2.5px;transform:translate(-50%,-50%)}
details.pfaq summary .pm::after{width:2.5px;height:14px;transform:translate(-50%,-50%)}
details.pfaq[open] summary .pm::after{transform:translate(-50%,-50%) rotate(90deg)}
details.pfaq[open] summary{border-bottom:1px solid var(--line-soft)}
details.pfaq .a{padding:16px 22px 20px 56px;font-size:.9rem;color:#3d4a56;line-height:1.75}
@media(max-width:560px){details.pfaq .a{padding-left:22px}}

/* ---- detail: floating RFQ pill ---- */
.float-rfq{position:fixed;right:clamp(14px,2vw,28px);bottom:clamp(18px,3vw,34px);z-index:180;display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--cyan-deep),var(--navy));color:#fff;font-size:.88rem;font-weight:800;letter-spacing:.02em;padding:13px 21px;border-radius:999px;box-shadow:0 10px 30px rgba(8,145,178,.42);transition:transform .2s,box-shadow .2s}
.float-rfq:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(8,145,178,.5)}
.float-rfq svg{width:17px;height:17px;stroke:#fff}
@media(max-width:560px){.float-rfq span{display:none}.float-rfq{padding:14px}}

/* ---- home: certifications strip ---- */
/* [PLACEHOLDER-CERT] 徽章内容待真实证书替换 */
.cert-sec{background:var(--soft)}
.cert-grid{margin-top:44px;display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 18px;text-align:center;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s}
.cert:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(34,211,238,.5)}
.cert .ab{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:1.02rem;font-weight:800;letter-spacing:.04em;color:var(--navy)}
.cert .ab svg{width:26px;height:26px;stroke:var(--cyan-deep)}
.cert p{margin-top:8px;font-size:.76rem;color:var(--gray);line-height:1.5}
.cert-note{margin-top:22px;font-size:.8rem;color:var(--gray-2)}
@media(max-width:1080px){.cert-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.cert-grid{grid-template-columns:1fr 1fr}}

/* ---- home: quick RFQ band ---- */
.rfq-band{position:relative;background:linear-gradient(160deg,var(--navy-ink),var(--navy-deep));overflow:hidden}
.rfq-band-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(36px,5vw,72px);align-items:center}
.rfq-band-copy .sec-sub{color:#a9bfd0}
.rfq-direct{margin-top:26px;display:flex;align-items:center;gap:10px;font-size:.95rem;font-weight:700}
.rfq-direct svg{width:18px;height:18px;stroke:var(--cyan)}
.rfq-direct a{color:var(--cyan-soft);transition:color .2s}
.rfq-direct a:hover{color:#fff}
.rfq-quick{background:#fff;color:var(--ink);border-radius:var(--r-lg);padding:clamp(26px,3.2vw,40px);box-shadow:0 30px 70px rgba(0,0,0,.4)}
.rfq-quick label{display:block;margin-top:18px;font-weight:700;font-size:.83rem;color:#2b3947;letter-spacing:.02em}
.rfq-quick label:first-of-type{margin-top:0}
.rfq-quick label .req{color:#dc2626}
.rfq-quick input{width:100%;margin-top:8px;padding:12px 15px;font-size:.92rem;border:1.5px solid var(--line);background:#fafbfc;border-radius:9px;outline:none;font-family:inherit;color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
.rfq-quick input:focus{border-color:var(--cyan-deep);background:#fff;box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.rfq-quick .send{width:100%;margin-top:24px;background:var(--navy);color:#fff;font-size:1rem;font-weight:800;letter-spacing:.03em;padding:15px;border-radius:10px;display:flex;align-items:center;justify-content:center;gap:11px;transition:background .2s,transform .2s,box-shadow .2s}
.rfq-quick .send:hover{background:var(--navy-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(4,24,42,.45)}
.rfq-quick .send:disabled{opacity:.6;cursor:wait;transform:none}
.rfq-quick .send svg{width:17px;height:17px}
.rfq-quick .note{margin-top:13px;color:#8795a2;font-size:.76rem;line-height:1.6}
@media(max-width:920px){.rfq-band-grid{grid-template-columns:1fr}}

/* ---- shared form status message ---- */
.form-msg{margin-top:16px;padding:13px 16px;border-radius:9px;font-size:.9rem;font-weight:600;line-height:1.55}
.form-msg.ok{background:var(--ok-bg);color:var(--ok);border:1px solid rgba(21,128,61,.25)}
.form-msg.err{background:#fdeaea;color:#b91c1c;border:1px solid rgba(185,28,28,.25)}
.form-msg.err a{color:#b91c1c;text-decoration:underline}

/* ---- v3.1: real cert logos + facility grid + about photos ---- */
.cert img{width:76px;height:76px;object-fit:contain;margin:0 auto 12px;display:block}
.cert .ab{font-size:.95rem}

.fac-sec .wrap{margin-bottom:38px}
.fac-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:1360px;margin:0 auto;padding:0 clamp(16px,2.5vw,28px)}
.fac{margin:0;overflow:hidden;border-radius:var(--r-md);aspect-ratio:4/3;background:var(--soft-2)}
.fac img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.fac:hover img{transform:scale(1.06)}
@media(max-width:860px){.fac-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.fac-grid{grid-template-columns:1fr}}

.about-photos{margin-top:clamp(36px,5vw,56px);display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px}
.about-photos figure{margin:0;overflow:hidden;border-radius:var(--r-md);aspect-ratio:16/10;background:var(--soft-2)}
.about-photos img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.about-photos figure:hover img{transform:scale(1.05)}
@media(max-width:860px){.about-photos{grid-template-columns:1fr}.about-photos figure{aspect-ratio:16/9}}

/* ============================================================
   v3.2 — category color system + motion pack
   ============================================================ */

/* ---- category accent variables ---- */
[data-cat="amino"]{--cat:#0891b2;--cat-bg:#e0f5fb}
[data-cat="bcaa"]{--cat:#2563eb;--cat-bg:#e6edfd}
[data-cat="sports"]{--cat:#ea580c;--cat-bg:#fdeee2}
[data-cat="creatine"]{--cat:#7c3aed;--cat-bg:#f0e9fd}
[data-cat="carnitine"]{--cat:#16a34a;--cat-bg:#e4f6eb}
[data-cat="cognitive"]{--cat:#db2777;--cat-bg:#fce8f1}

/* category color hooks: home tiles */
.cat-tile[data-cat]{border-top:3px solid var(--cat)}
.cat-tile[data-cat] .n{color:var(--cat)}
.cat-tile[data-cat]::after{background:var(--cat)}
.cat-tile[data-cat]:hover .go{color:var(--cat)}

/* product cards (static + dynamic) */
.pcard[data-cat]::after{background:var(--cat)}
.pcard[data-cat] .pcard-top .cat{background:var(--cat-bg);color:var(--cat)}
.pcard[data-cat] .rfq:hover{color:var(--cat)}

/* catalog filter tabs */
.filter-tabs button[data-cat]::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cat);margin-right:8px;vertical-align:1px;transition:transform .2s}
.filter-tabs button[data-cat]:hover::before{transform:scale(1.35)}
.filter-tabs button[data-cat].active{background:var(--cat);border-color:var(--cat);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--cat) 35%,transparent)}
.filter-tabs button[data-cat].active::before{background:#fff}

/* table view category chip */
.cat-chip{display:inline-block;font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:5px;background:var(--cat-bg,var(--soft-2));color:var(--cat,var(--steel))}

/* detail page accents */
.d-card[data-cat]{border-top:3px solid var(--cat)}
.d-kp{border-left:3px solid var(--cyan)}

/* ---- motion pack ---- */
@media(prefers-reduced-motion:no-preference){
  /* hero entrance stagger (home) */
  .hero .hero-tag,.hero h1,.hero .lead,.hero-actions{opacity:0;transform:translateY(26px);animation:riseIn .85s cubic-bezier(.2,.6,.3,1) forwards}
  .hero h1{animation-delay:.12s}
  .hero .lead{animation-delay:.26s}
  .hero-actions{animation-delay:.4s}
  /* inner page hero stagger */
  .page-hero .kicker,.page-hero h1,.page-hero .sub,.page-hero .crumbs{opacity:0;transform:translateY(18px);animation:riseIn .7s cubic-bezier(.2,.6,.3,1) forwards}
  .page-hero .kicker{animation-delay:.05s}
  .page-hero h1{animation-delay:.14s}
  .page-hero .sub{animation-delay:.24s}
  /* stat band + ticker ease in after hero */
  .stat-band{opacity:0;animation:fadeIn .9s ease .5s forwards}
  .ticker-strip{opacity:0;animation:fadeIn .9s ease .65s forwards}
}
@keyframes riseIn{to{opacity:1;transform:none}}
@keyframes fadeIn{to{opacity:1}}

/* arrow micro-interaction (bonerge/aidu signature) */
.btn svg,.rfq svg,.cat-tile .go svg,.d-anchor-cta svg,.q-btn svg{transition:transform .25s cubic-bezier(.2,.6,.3,1)}
.btn:hover svg,.rfq:hover svg,.cat-tile:hover .go svg,.d-anchor-cta:hover svg,.q-btn:hover svg{transform:translateX(4px)}

/* unified hover lift for trust/diff/app tiles */
.diff,.app-tile{transition:transform .22s,box-shadow .22s,border-color .22s}
.diff:hover,.app-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c6d5e1}

/* header scroll state */
header{transition:box-shadow .25s,background .25s}
header.scrolled{box-shadow:0 8px 28px rgba(3,18,31,.45);background:rgba(4,24,42,.97)}

/* stat numbers pop on reveal */
.stat .num{transition:transform .3s cubic-bezier(.34,1.56,.64,1)}
.stat:hover .num{transform:scale(1.06)}

@media(prefers-reduced-motion:reduce){
  .hero .hero-tag,.hero h1,.hero .lead,.hero-actions,.page-hero .kicker,.page-hero h1,.page-hero .sub,.page-hero .crumbs,.stat-band,.ticker-strip{opacity:1;transform:none;animation:none}
}

/* ---- v3.3: image-card layout (图文卡) ---- */
.ct-img{display:block;margin:-26px -26px 18px;border-radius:var(--r-md) var(--r-md) 0 0;overflow:hidden;aspect-ratio:16/7;background:var(--soft-2)}
.ct-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat-tile:hover .ct-img img{transform:scale(1.05)}
.cat-tile[data-cat]{border-top:none}
.cat-tile[data-cat] .ct-img{border-top:3px solid var(--cat)}

.pc-img{display:block;margin:-24px -24px 16px;border-radius:var(--r-md) var(--r-md) 0 0;overflow:hidden;aspect-ratio:16/7;background:var(--soft-2)}
.pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.pcard:hover .pc-img img{transform:scale(1.05)}

/* ---- v3.4: team photo + university collaboration strip ---- */
.rnd-card .avatar img{width:100%;height:100%;object-fit:cover;display:block}

.uni-grid{margin-top:44px;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.uni{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 16px 18px;text-align:center;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s}
.uni:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.uni img{height:72px;width:auto;max-width:80%;object-fit:contain;margin:0 auto;display:block}
.uni-txt{display:flex;align-items:center;justify-content:center;height:72px;font-weight:800;font-size:1rem;color:var(--navy);line-height:1.3;padding:0 6px}
.uni p{margin-top:14px;font-size:.8rem;color:var(--gray);font-weight:600}
@media(max-width:960px){.uni-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.uni-grid{grid-template-columns:1fr 1fr}}

/* ============================================================
   enriched product content: multi-column spec tables, formulation
   notes, reference lists, prose blocks, flagship RFQ price slot
   (generated by _build/build.mjs — see cb:{} in the i18n dict)
   ============================================================ */
.spec-table.cols{font-size:.9rem}
.spec-table.cols thead th{width:auto;white-space:nowrap;text-align:left;padding:13px 20px;font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--steel);background:var(--soft-2);border-bottom:1px solid var(--line)}
.spec-table.cols tbody th{width:34%;font-family:var(--sans);font-size:.9rem;font-weight:700;letter-spacing:0;text-transform:none;color:var(--ink);background:#fff;padding:14px 20px;vertical-align:top}
.spec-table.cols tbody td{padding:14px 20px;color:#3d4a56;vertical-align:top;line-height:1.6}
.spec-table.cols tbody td:last-child{font-family:var(--mono);font-size:.79rem;color:var(--steel);white-space:normal}
.spec-table.cols tbody td.na{color:var(--gray-2);font-family:var(--mono)}
.spec-table.cols tbody tr:nth-child(even) th,.spec-table.cols tbody tr:nth-child(even) td{background:#fbfdfe}
@media(max-width:720px){.spec-table.cols{min-width:640px}.spec-table.cols tbody th{width:30%}}
h3.sub-h{margin-top:44px;font-size:1.05rem;font-weight:800;color:var(--navy);letter-spacing:-.01em}
h3.sub-h+.spec-table-wrap{margin-top:18px}

/* formulation & handling notes — highest-value unique copy, given weight */
.fnote-list{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fnote{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s}
.fnote:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.fnote .n{flex:0 0 auto;font-size:.78rem;font-weight:700;color:var(--cyan-ink);padding-top:2px}
.fnote p{font-size:.92rem;line-height:1.7;color:#2b3947}
@media(max-width:900px){.fnote-list{grid-template-columns:1fr}}

/* selected research */
.ref-note{margin-top:32px;display:flex;gap:11px;align-items:flex-start;max-width:820px;background:var(--warn-bg);border:1px solid rgba(180,83,9,.22);border-radius:var(--r-md);padding:16px 18px;font-size:.85rem;line-height:1.65;color:#6b4410}
.ref-note svg{flex:0 0 auto;width:18px;height:18px;margin-top:2px;stroke:var(--warn)}
.ref-list{margin-top:26px;padding-left:0;list-style:none;counter-reset:ref;display:grid;gap:14px;max-width:920px}
.ref-list li{counter-increment:ref;position:relative;padding:18px 22px 18px 56px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1)}
.ref-list li::before{content:counter(ref);position:absolute;left:20px;top:18px;font-family:var(--mono);font-size:.78rem;font-weight:700;color:var(--cyan-ink)}
.ref-list .f{display:block;font-size:.92rem;line-height:1.65;color:#2b3947;font-weight:600}
.ref-list .c{display:block;margin-top:7px;font-size:.85rem;line-height:1.6;color:var(--gray)}
.ref-list .lk{display:flex;flex-wrap:wrap;gap:8px;margin-top:11px}
.ref-list .lk a{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.04em;color:var(--cyan-ink);background:#f2fafc;border:1px solid rgba(34,211,238,.4);border-radius:5px;padding:4px 9px;transition:background .18s,color .18s}
.ref-list .lk a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
@media(max-width:560px){.ref-list li{padding:16px 16px 16px 44px}.ref-list li::before{left:14px;top:16px}}

/* long-form prose blocks on flagship pages */
.about-copy.prose p+p{margin-top:18px}
.about-copy.prose b{color:var(--navy)}

/* flagship SKUs: RFQ where a price range would otherwise sit */
.d-price.rfq-price .pr{font-size:1.5rem}
.flag-grid{grid-template-columns:1fr 1fr}
@media(max-width:900px){.flag-grid{grid-template-columns:1fr}}

/* ---- v4: programmatic SEO pages ---- */
.seo-alt{background:var(--soft)}
.seo-body{margin-top:32px}
.seo-body p{max-width:74ch;color:#38434e;font-size:1rem;line-height:1.78;margin-bottom:16px}
.seo-body p b{color:var(--ink);font-weight:700}
.seo-body .spec-table-wrap{margin-top:28px}
.spec-table.col-table th[scope="col"]{width:auto;background:var(--navy);color:#fff;font-size:.7rem}
.spec-table.col-table th[scope="row"]{width:auto;min-width:140px}
.pr-note{display:block;margin-top:3px;font-size:.72rem;color:var(--gray-2);font-weight:400}
.seo-inline-cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.seo-links{margin-top:32px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.seo-link{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;font-size:.92rem;font-weight:700;color:var(--navy);box-shadow:var(--shadow-1);transition:transform .2s,box-shadow .2s,border-color .2s}
.seo-link:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--cat,#c6d5e1)}
.seo-link .t{flex:1;min-width:0}
.seo-link .n{font-family:var(--mono);font-size:.68rem;font-weight:600;color:var(--gray-2);letter-spacing:.06em}
.seo-link svg{flex:0 0 auto;width:15px;height:15px;stroke:var(--cyan-deep);transition:transform .25s}
.seo-link:hover svg{transform:translateX(4px)}
.seo-alt .seo-link{background:#fff}
.seo-cta{padding:clamp(48px,6vw,72px) 0}
.seo-disclaimer{margin-top:26px;font-size:.78rem;color:var(--gray-2);text-align:center}
.sub-h{margin-top:34px;font-size:1.05rem;font-weight:800;color:var(--ink)}
@media(max-width:960px){.seo-links{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.seo-links{grid-template-columns:1fr}}

/* ============================================================
   Answer block ("At a glance")
   放在 hero 之下、正文之上。给人看是速览，给检索器看是本页第一个
   自包含语义块——所以视觉上要收得住，不能喧宾夺主抢走 hero。
   ============================================================ */
.answer-block{padding:clamp(30px,3.6vw,44px) 0 0}
.ab-card{position:relative;background:linear-gradient(180deg,#f7fbfd 0%,#fff 62%);border:1px solid var(--line);border-left:3px solid var(--cyan-deep);border-radius:var(--r-lg);padding:clamp(22px,2.6vw,32px) clamp(20px,2.8vw,36px);box-shadow:var(--shadow-1)}
.ab-kicker{display:inline-block;font-family:var(--mono);font-size:.64rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-ink);background:#e4f7fb;padding:5px 10px;border-radius:5px}
.ab-card h2{margin-top:14px;font-size:clamp(1.14rem,1.7vw,1.42rem);font-weight:800;letter-spacing:-.01em;color:var(--navy-ink);line-height:1.35}
.ab-lede{margin-top:12px;font-size:.98rem;line-height:1.78;color:#33404c;max-width:78ch}
.ab-lede strong{color:var(--navy-ink);font-weight:800}
.ab-facts{margin-top:22px;border-top:1px solid var(--line-soft);display:grid;gap:0}
.af-row{display:grid;grid-template-columns:minmax(140px,24%) 1fr;gap:14px 22px;padding:11px 0;border-bottom:1px solid var(--line-soft)}
.af-row dt{font-size:.8rem;font-weight:700;color:var(--steel);letter-spacing:.01em;line-height:1.55}
.af-row dd{font-size:.9rem;line-height:1.7;color:#3b4753}
.af-row dd a{color:var(--cyan-ink);border-bottom:1px solid #b9e6f0}
.af-row dd a:hover{border-bottom-color:var(--cyan-deep)}
@media(max-width:640px){
  .af-row{grid-template-columns:1fr;gap:3px;padding:12px 0}
  .af-row dt{font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;color:var(--gray-2)}
}