/* Additive product design system: Physchem-lab */
:root{--ds-brand:#22c55e;--ds-brand-2:#06b6d4;--ds-surface:#101c27;--ds-text:#eaf5f0;--ds-muted:#9bb2aa;--ds-radius:18px;--ds-shadow:0 18px 48px rgba(15,23,42,.12);--ds-border:rgba(148,163,184,.22);--ds-focus:0 0 0 3px color-mix(in srgb,var(--ds-brand) 28%,transparent)}
html{scroll-behavior:smooth;scroll-padding-top:88px}body{font-family:Inter,"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}:where(button,input,select,textarea,a,[tabindex]):focus-visible{outline:0;box-shadow:var(--ds-focus);border-color:var(--ds-brand)!important}:where(button:not(:disabled)):active{transform:translateY(1px)}:where(button:disabled){cursor:not-allowed;opacity:.55}
:where(input,select,textarea){border-radius:10px;transition:border-color .16s ease,box-shadow .16s ease}:where(input,select,textarea):focus{outline:0;border-color:var(--ds-brand);box-shadow:var(--ds-focus)}
:where(.sidebar,.sb){border-right:1px solid var(--ds-border);box-shadow:8px 0 32px rgba(15,23,42,.05);scrollbar-width:thin}
:where(.brand-logo,.lg){background:linear-gradient(135deg,var(--ds-brand),var(--ds-brand-2));box-shadow:0 8px 24px color-mix(in srgb,var(--ds-brand) 25%,transparent)}
:where(.topbar,.tb){backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--ds-border)}
:where(.nav-item,.nav button,.tabbar button,.fl button){border-radius:10px;transition:background .16s ease,color .16s ease,transform .16s ease}
:where(.nav-item.active,.nav button.active,.tabbar button.active,.fl button.on){background:color-mix(in srgb,var(--ds-brand) 13%,transparent);color:var(--ds-brand);font-weight:650}
:where(.card,.panel,.glass,.stat-card,.metric-card,.module-card,.experiment-card,.login-card){border-radius:var(--ds-radius);border:1px solid var(--ds-border);box-shadow:var(--ds-shadow)}
:where(.card,.panel,.stat-card,.metric-card,.module-card,.experiment-card){transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease}
@media(hover:hover){:where(.card,.panel,.stat-card,.metric-card,.module-card,.experiment-card):hover{border-color:color-mix(in srgb,var(--ds-brand) 38%,var(--ds-border));box-shadow:0 22px 52px rgba(15,23,42,.14)}}
:where(.btn,.button,.bt,.primary-btn,.action-btn){border-radius:10px;font-weight:600}:where(.btn-primary,.primary-btn,.action-primary){background:linear-gradient(135deg,var(--ds-brand),var(--ds-brand-2));border-color:transparent}
:where(.empty-state,.empty,.no-data){border:1px dashed var(--ds-border);border-radius:var(--ds-radius);padding:24px}
img,svg,canvas{max-width:100%}:where(.main,.mn,.view){min-width:0}
@media(max-width:760px){:where(.main,.mn){min-width:0;width:100%}:where(.topbar,.tb){position:sticky;top:0;z-index:20}:where(.card,.panel,.stat-card,.metric-card){border-radius:14px}:where(button,.btn,.bt){min-height:38px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
@media print{:where(.sidebar,.sb,.topbar,.tb,.tabbar,button){display:none!important}body{background:#fff!important;color:#111!important}:where(.card,.panel,.stat-card,.metric-card){box-shadow:none!important;break-inside:avoid}}


/* V2 application-specific visual layer */
body .sb{background:linear-gradient(180deg,#0d1b2c,#08111d);border-right-color:rgba(34,197,94,.17);box-shadow:10px 0 32px rgba(0,0,0,.22)}
body .mn{min-width:0;background:radial-gradient(ellipse at 90% 0%,rgba(6,182,212,.055),transparent 45%)}
body .tb{background:rgba(8,17,29,.88);border-bottom-color:rgba(34,197,94,.15);backdrop-filter:blur(18px)}
body .it{border-radius:11px;border-color:transparent;transition:background .16s,border-color .16s,transform .16s}
body .it.on{border-color:rgba(34,211,238,.38);box-shadow:inset 3px 0 #22d3ee,0 8px 22px rgba(0,0,0,.16)}
body .bt{border-radius:10px;transition:transform .16s,background .16s,border-color .16s}
body .card{border-radius:18px;border-color:rgba(148,163,184,.16);box-shadow:0 14px 38px rgba(0,0,0,.2)}


/* V3 · PhysChem Lab interactive engineering workspace */
:root{
  --pc-bg:#edf4f7;
  --pc-ink:#19374a;
  --pc-muted:#688293;
  --pc-line:#d8e6ec;
  --pc-teal:#127e85;
  --pc-cyan:#2aa8b4;
  --pc-green:#22866d;
  --pc-purple:#7966ac;
  --pc-card:#fff;
}
html{scroll-behavior:smooth}
body{
  width:100%;height:100vh;overflow:hidden;
  background:#edf4f7!important;color:var(--pc-ink);
  font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
.sb{
  width:292px;
  background:linear-gradient(180deg,#15384c 0%,#102d40 58%,#0d2537 100%);
  border-right:1px solid #2b5264;
  box-shadow:9px 0 28px rgba(15,47,65,.09);
}
.br{
  min-height:74px;padding:17px 17px;
  background:rgba(255,255,255,.025);
  border-bottom-color:rgba(219,241,246,.14);
}
.lg{
  width:43px;height:43px;border-radius:14px;
  color:#f1ffff;background:linear-gradient(145deg,#167e9d,#43aaa1);
  box-shadow:0 8px 22px rgba(37,156,161,.2);
}
.br h1{font-size:15px;letter-spacing:.2px;color:#f2fbff}
.br p{font-size:10px;color:#9ab6c3;letter-spacing:.25px}
.sc{padding:14px 15px 9px}
.sc input{
  min-height:39px;background:#0f2a3b;
  border:1px solid rgba(166,204,216,.2);border-radius:10px;
  color:#e9f7fa;padding:10px 12px;font-size:12px;
}
.sc input:focus{border-color:#5cb4bc;box-shadow:0 0 0 3px rgba(68,168,174,.14)}
.sc input::placeholder{color:#86a4b2}
.fl{padding:0 15px 10px;gap:7px}
.fl button{
  min-height:33px;border:1px solid rgba(166,204,216,.2);
  background:#102b3d;color:#a9c1cb;border-radius:9px;font-size:10.5px;
}
.fl button.on{
  color:#ecffff;background:rgba(51,159,166,.22);
  border-color:rgba(100,205,199,.45);
}
.cnt{padding:0 16px 10px;color:#91aab6;font-size:10px}
.cnt b{color:#78d1cb}
.lst{padding:3px 10px 14px}
.it{
  padding:10px 11px;margin-bottom:6px;
  border:1px solid transparent;border-radius:11px;background:rgba(255,255,255,.035);
  transition:background .16s,border-color .16s,transform .16s;
}
.it:hover{border-color:rgba(114,197,205,.27);background:rgba(255,255,255,.07);transform:translateX(2px)}
.it.on{
  background:linear-gradient(100deg,rgba(42,153,163,.26),rgba(48,117,151,.09));
  border-color:rgba(104,204,207,.4);
  box-shadow:inset 3px 0 #66c9c4,0 6px 15px rgba(0,0,0,.08);
}
.it .t{font-size:11.5px;color:#f0f8fb}
.it .d{font-size:9.5px;color:#a3bbc6;line-height:1.55}
.tg{font-size:8px;background:#234154;border-color:#35596c;color:#bad0da}
.tg.p{background:#123d50;border-color:#286c81;color:#80d6e9}
.tg.c{background:#342b4e;border-color:#62517e;color:#d4bfff}
.ft{
  padding:13px 15px 15px;
  background:rgba(0,0,0,.1);
  border-top-color:rgba(219,241,246,.13);
  color:#92acb9;font-size:9.5px;
}
.ft b{color:#a9e1df}
.ft .em{color:#b9b2e9}
.mn{
  position:fixed;left:292px;right:0;top:0;bottom:0;
  min-width:0;overflow-y:auto;overflow-x:hidden;
  background:
    radial-gradient(900px 500px at 100% -10%,rgba(40,160,168,.055),transparent 60%),
    #edf4f7;
}
.tb{
  position:sticky;left:auto;right:auto;top:0;z-index:25;
  height:auto;min-height:70px;
  padding:10px clamp(16px,2.2vw,30px);
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--pc-line);
  box-shadow:0 3px 14px rgba(22,65,82,.045);
  gap:14px;
}
.tbl{flex:1;min-width:0}
.tb h2{font-size:16px;color:#1d4355;font-weight:780;letter-spacing:-.15px}
.tb p{font-size:10.5px;color:#7b929e;line-height:1.5}
.ac{gap:7px;flex-shrink:0}
.bt{
  min-height:35px;padding:7px 11px;border-radius:9px;
  background:#f5fafb;border:1px solid #d8e7eb;
  color:#496a78;font-size:10.5px;
}
.bt:hover{border-color:#9fcbd0;color:#167d85;background:#edf8f7}
.bt.on{border-color:#e4c98a;background:#fff8e9;color:#9e721e}
.mobile-menu{
  display:none;
  width:36px;height:36px;min-width:36px;
  align-items:center;justify-content:center;
  padding:0;font-size:17px;
  background:#eff7f7;border-color:#d3e7e6;color:#287982;
}
.physchem-intro{
  margin:18px clamp(16px,2.2vw,30px) 16px;
  min-height:132px;padding:22px clamp(20px,2.7vw,35px);
  border:1px solid #d4e7e9;border-radius:18px;
  background:
    radial-gradient(circle at 88% 5%,rgba(48,167,164,.13),transparent 25%),
    linear-gradient(112deg,#fff 0%,#f0f8fa 58%,#eff8f5 100%);
  box-shadow:0 8px 24px rgba(24,79,94,.045);
}
.physchem-intro .eyebrow{font-size:9.5px;color:#147f87;letter-spacing:1.8px;font-weight:850}
.physchem-intro h2{font-size:clamp(20px,2vw,26px);font-weight:820;letter-spacing:-.5px;color:#193f52;margin:5px 0}
.physchem-intro p{max-width:780px;font-size:11.5px;line-height:1.8;color:#5d7987}
.physchem-intro .physchem-tags{gap:7px;margin-top:11px}
.physchem-intro .physchem-tags span{
  padding:5px 10px;border-radius:99px;
  border:1px solid #d4e7e8;background:#fff;color:#3c7278;font-size:9.5px;
}
.physchem-intro .atom{
  flex-basis:78px;width:78px;height:78px;border-radius:22px;
  color:#eaffff;background:linear-gradient(145deg,#176f82,#38a19d);
  border:1px solid rgba(255,255,255,.4);
  box-shadow:0 12px 26px rgba(24,130,140,.17);
}
.sw{
  position:relative;left:auto;right:auto;top:auto;bottom:auto;
  height:clamp(340px,45vh,560px);
  margin:0 clamp(16px,2.2vw,30px) 16px;
  border:1px solid #1a3d56;border-radius:17px;
  background:
    radial-gradient(circle at 50% 0%,rgba(31,102,131,.18),transparent 55%),
    linear-gradient(180deg,#0b1929,#07111e);
  box-shadow:0 12px 30px rgba(16,42,59,.13);
}
#cv{width:100%;height:100%;display:block}
.bt2{
  position:relative;left:auto;right:auto;bottom:auto;
  height:auto;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:13px;
  margin:0 clamp(16px,2.2vw,30px) 22px;
}
.bt2 .pnl,.bt2 .p1,.bt2 .p2,.bt2 .p3{
  position:relative;top:auto;bottom:auto;left:auto;right:auto;
  width:auto;height:260px;min-width:0;
  padding:15px 15px;
  border:1px solid #d9e7eb;border-radius:15px;
  background:linear-gradient(180deg,#fff,#f8fbfc);
  box-shadow:0 7px 21px rgba(21,66,83,.045);
  overflow-y:auto;
}
.pnl h3{font-size:11.5px;color:#246b78;margin-bottom:13px}
.bd{background:linear-gradient(135deg,#a89ae3,#77c9c6);color:#123944;border-radius:99px;padding:2px 7px}
.pm{margin-bottom:13px}
.pm .r{font-size:10.5px}
.pm .r>span:first-child{color:#526f7c}
.pm .v{
  color:#127e85;background:#edf8f7;border-color:#d1e9e6;
  font-size:10px;border-radius:7px;
}
input[type=range]{
  background:linear-gradient(90deg,#75c5c2 0%,#2f9ca5 45%,#e3edef 100%);
}
input[type=range]::-webkit-slider-thumb{
  background:linear-gradient(135deg,#fff,#2999a2);
  box-shadow:0 0 0 4px rgba(36,149,154,.13),0 2px 6px rgba(19,81,93,.18);
  border:2px solid #fff;
}
input[type=range]::-moz-range-thumb{background:linear-gradient(135deg,#fff,#2999a2);border:2px solid #fff}
.fi{
  white-space:normal;overflow-wrap:anywhere;
  background:#f0f5fa;border:1px solid #dfe9f0;border-left:3px solid #8f83c3;
  border-radius:8px;color:#64558f;padding:8px 9px;font-size:10px;
}
.ro{gap:7px}
.r{
  background:#f5fafb;border:1px solid #e2ecee;border-radius:9px;padding:9px;
}
.r .k{color:#708892;font-size:9px}
.r .v{color:#187d68;font-size:11px;overflow-wrap:anywhere}
.tt{font-size:10.5px;line-height:1.85;color:#4d6876;white-space:pre-wrap;word-break:break-word}
.dr{
  width:390px;max-width:94vw;
  background:linear-gradient(180deg,#fff,#f3f8fa);
  border-left:1px solid #d7e5e9;
  box-shadow:-15px 0 38px rgba(18,53,68,.16);
}
.dh{padding:17px 19px;border-bottom:1px solid #dce8eb}
.dh h3{color:#1b6572;font-size:13px}
.dc{color:#68838e;border-radius:8px}
.dc:hover{background:#edf6f6;color:#126e79}
.archive-tools{background:#f8fbfc;border-bottom-color:#e0eaed}
.archive-tools .bt,.archive-tools .archive-import{
  color:#2a6b75;background:#eff7f7;border-color:#cfe2e3;border-radius:9px;
}
.archive-recovery-status{color:#80601e;background:#fff8e9;border-color:#ead8ad}
.db{padding:14px}
.rc{background:#fff;border:1px solid #dce8eb;border-radius:11px;box-shadow:0 3px 9px rgba(25,65,80,.03)}
.rc .rn{color:#244b5b}
.rc .rt{color:#7b929c}
.rc .rp{color:#607986}
.ep{color:#788f99;text-align:center;line-height:1.8;padding:26px 10px}
.ts{
  bottom:calc(20px + env(safe-area-inset-bottom));
  background:rgba(20,54,68,.96);border-color:#53acae;color:#d8fbfa;
  box-shadow:0 10px 24px rgba(11,36,49,.2);
}
.eb{
  background:#fff8ea!important;color:#825d22!important;
  border:1px solid #ead8b3!important;border-radius:10px!important;
}
.sidebar-backdrop{display:none}
@media(max-width:1180px){
  .sb{width:270px}
  .mn{left:270px}
  .bt2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bt2 .p3{grid-column:1/-1}
}
@media(max-width:900px){
  body{height:auto;min-height:100vh;overflow:auto}
  .sb{
    position:fixed;left:0;top:0;bottom:0;
    width:min(86vw,320px);max-width:320px;
    z-index:31;transform:translateX(-105%);
    transition:transform .24s ease;
    box-shadow:16px 0 38px rgba(0,0,0,.22);
  }
  .sb.open{transform:translateX(0)}
  .sidebar-backdrop{
    display:block;position:fixed;inset:0;z-index:30;
    background:rgba(5,17,29,.4);backdrop-filter:blur(2px);
    opacity:0;pointer-events:none;transition:opacity .2s;
  }
  .sidebar-backdrop.show{opacity:1;pointer-events:auto}
  .mn{
    position:relative;left:auto;right:auto;top:auto;bottom:auto;
    min-height:100vh;overflow:visible;
    background:#edf4f7;
  }
  .tb{
    position:sticky;top:0;z-index:25;
    min-height:62px;padding:9px 12px;gap:9px;
    flex-wrap:wrap;
  }
  .mobile-menu{display:inline-flex;flex:0 0 36px}
  .tbl{flex:1;min-width:130px}
  .tb h2{font-size:14px}
  .tb p{font-size:9.5px}
  .ac{gap:5px}
  .ac .bt{padding:6px 8px;font-size:9.5px}
  .physchem-intro{margin:12px 13px 13px;padding:17px 16px;min-height:0}
  .physchem-intro .atom{display:none}
  .sw{height:clamp(310px,48vh,480px);margin:0 13px 13px;border-radius:14px}
  .bt2{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 13px 18px}
  .bt2 .pnl,.bt2 .p1,.bt2 .p2,.bt2 .p3{height:250px;padding:13px}
  .bt2 .p3{grid-column:1/-1;height:auto;min-height:190px}
  .dr{width:min(430px,94vw);max-width:94vw}
}
@media(max-width:560px){
  .tb{padding:8px 10px}
  .tbl{min-width:0}
  .tb h2{font-size:13px}
  .tb p{max-width:190px;white-space:normal}
  .ac{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;padding-left:45px}
  .ac .bt{min-width:0;justify-content:center}
  .sw{height:360px;margin:0 10px 11px}
  .physchem-intro{margin:10px 10px 12px;padding:15px}
  .physchem-intro h2{font-size:19px}
  .physchem-intro p{font-size:10.5px}
  .bt2{grid-template-columns:1fr;margin:0 10px 16px;gap:10px}
  .bt2 .pnl,.bt2 .p1,.bt2 .p2,.bt2 .p3{grid-column:auto;height:auto;max-height:none;min-height:210px;overflow:visible}
  .ro{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dr{width:100%;max-width:100%;height:100dvh}
  .ts{max-width:calc(100vw - 28px);white-space:normal;text-align:center}
}
@media(max-width:380px){
  .sw{height:320px}
  .ac{padding-left:40px}
  .ac .bt{font-size:8.5px;padding:6px 4px}
  .physchem-intro .physchem-tags span{font-size:8px;padding:4px 7px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
@media print{
  .sb,.tb,.mobile-menu,.sidebar-backdrop,.dr,.ts{display:none!important}
  body,.mn,.sw,.bt2{position:static!important;width:100%!important;height:auto!important;overflow:visible!important;background:#fff!important;color:#111!important}
  .sw{height:440px!important;border:1px solid #ccc!important}
  .bt2{display:grid!important;grid-template-columns:repeat(3,1fr)!important;margin:12px 0!important}
  .bt2 .pnl,.bt2 .p1,.bt2 .p2,.bt2 .p3{height:auto!important;color:#111!important;box-shadow:none!important;break-inside:avoid}
}


/* V4 · Interaction, readability and responsive finishing pass */
:where(button,[role="button"],a,input,select,textarea){-webkit-tap-highlight-color:transparent}
:where(button,a,[role="button"]){transition:background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease}
:where(button:not(:disabled),[role="button"],a):active{transform:translateY(1px)}
:where(button:disabled){cursor:not-allowed;opacity:.58}
:where(input,select,textarea){max-width:100%;min-width:0}
:where(button,input,select,textarea,a,[tabindex]):focus-visible{outline:3px solid color-mix(in srgb,var(--ds-brand,#168b9a) 42%,transparent);outline-offset:2px}
:where(.card,.kpi,.gcard,.lib-cat,.param-group,.experiment-card,.metric-card,.module-card,.pnl,.score-card,.quick,.mode){transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
@media(hover:hover){:where(.card,.kpi,.gcard,.experiment-card,.metric-card,.module-card,.quick,.mode):hover{transform:translateY(-2px)}}
:where(table){max-width:100%;font-variant-numeric:tabular-nums}
:where(th){text-align:left}
:where(td,th){overflow-wrap:anywhere}
:where(img,svg,canvas){max-width:100%}
@media(max-width:760px){
  :where(.content,.pages,.content-body,.view,.mn){min-width:0;max-width:100%}
  :where(.hyhub-intro,.health-intro,.erp-intro,.study-intro,.labos-intro,.physchem-intro){gap:14px;padding:18px 16px}
  :where(.hyhub-intro .mark,.health-intro .health-state,.erp-intro .erp-mark,.study-intro .orbit,.labos-intro .labos-stamp,.physchem-intro .atom){flex-shrink:0}
  :where(.lib-stats,.metrics-grid){grid-template-columns:repeat(2,minmax(0,1fr))}
  :where(.lib-categories-grid){grid-template-columns:minmax(0,1fr)}
  :where(.lib-cat.open){grid-column:auto}
  :where(.lib-cat.open .lib-cat-body){grid-template-columns:minmax(0,1fr)}
  :where(table){display:block;max-width:100%;overflow-x:auto;white-space:nowrap}
}
@media(max-width:420px){
  :where(.hyhub-intro .mark,.erp-intro .erp-mark,.study-intro .orbit,.labos-intro .labos-stamp,.physchem-intro .atom){display:none}
  :where(.lib-stats,.metrics-grid){grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){:where(button,a,[role="button"],.card,.kpi,.gcard,.experiment-card,.metric-card,.module-card,.quick,.mode){transition:none!important;transform:none!important}}


/* V5 · Core workspace actions */
.lab-commandbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 clamp(16px,2.2vw,30px) 15px;padding:13px 16px;border:1px solid #d1e5e6;border-radius:13px;background:linear-gradient(105deg,#fff 0%,#f2f9f8 100%);box-shadow:0 5px 17px rgba(24,77,88,.04)}.lab-command-copy{display:flex;flex-direction:column;gap:3px;min-width:0}.lab-command-copy .eyebrow{font-size:8.5px;letter-spacing:1.5px;color:#167f88;font-weight:850}.lab-command-copy strong{font-size:13px;color:#204a59}.lab-command-copy small{font-size:9.5px;color:#6d8792;line-height:1.55}.lab-command-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.lab-command-actions button{min-height:33px;padding:6px 10px;border:1px solid #d3e5e7;border-radius:8px;background:#fff;color:#2e6e78;font-size:9.5px;font-weight:700;cursor:pointer}.lab-command-actions button:hover{background:#eaf6f5;border-color:#a8d0d1;color:#176c74}@media(max-width:900px){.lab-commandbar{margin:0 13px 13px;align-items:flex-start;flex-direction:column}.lab-command-actions{width:100%;justify-content:flex-start}}@media(max-width:560px){.lab-commandbar{margin:0 10px 11px;padding:12px}.lab-command-actions{display:grid;grid-template-columns:1fr 1fr}.lab-command-actions button{min-width:0;padding:7px 5px}}

/* 2026-10-19 V6: high-visibility, domain-specific workflow layer */
.product-workflow{--workflow-accent:#22c55e;position:relative;isolation:isolate;overflow:hidden;margin:18px clamp(16px,2.2vw,30px) 22px;padding:clamp(18px,2.4vw,28px);border:1px solid color-mix(in srgb,var(--workflow-accent) 26%,#d7e2ed);border-radius:22px;background:radial-gradient(circle at 92% 0%,color-mix(in srgb,var(--workflow-accent) 16%,transparent),transparent 28%),linear-gradient(120deg,#fff 0%,#f7fbff 56%,color-mix(in srgb,var(--workflow-accent) 5%,#fff) 100%);box-shadow:0 18px 50px rgba(20,45,70,.075)}
.product-workflow:before{content:"";position:absolute;z-index:-1;right:-42px;bottom:-92px;width:240px;height:240px;border:1px solid color-mix(in srgb,var(--workflow-accent) 17%,transparent);border-radius:50%;box-shadow:0 0 0 24px color-mix(in srgb,var(--workflow-accent) 3%,transparent),0 0 0 48px color-mix(in srgb,var(--workflow-accent) 2%,transparent)}
.product-workflow__head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.product-workflow__head .eyebrow{display:block;margin-bottom:6px;color:var(--workflow-accent);font-size:10px;letter-spacing:.16em;font-weight:850}.product-workflow__head h3{margin:0;color:#172e45;font-size:clamp(19px,2vw,25px);font-weight:820;letter-spacing:-.04em}.product-workflow__head p{margin:6px 0 0;color:#63788e;font-size:12.5px;line-height:1.65}.product-workflow__mode{flex:0 0 auto;padding:7px 10px;border:1px solid color-mix(in srgb,var(--workflow-accent) 25%,#dce7ef);border-radius:999px;background:#fff;color:#61788d;font-size:9px;font-weight:800;letter-spacing:.08em}
.product-workflow__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.product-workflow__item{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;min-width:0;min-height:132px;padding:15px 15px 13px;border:1px solid #e1eaf2;border-radius:15px;background:rgba(255,255,255,.94);color:#19334b;text-align:left;cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.product-workflow__item:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--workflow-accent) 48%,#dce7ef);box-shadow:0 13px 30px rgba(28,58,86,.1)}.product-workflow__item i{font-style:normal;color:var(--workflow-accent);font-size:10px;font-weight:900;letter-spacing:.12em}.product-workflow__item b{font-size:14px;font-weight:800}.product-workflow__item small{color:#6b8094;font-size:11px;line-height:1.5}.product-workflow__item span{margin-top:auto;color:var(--workflow-accent);font-size:10px;font-weight:800}.product-workflow__foot{margin-top:14px;padding-top:11px;border-top:1px solid #e6edf3;color:#718397;font-size:10px;line-height:1.55}
@media(max-width:900px){.product-workflow__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.product-workflow{margin:12px 12px 18px;padding:16px;border-radius:17px}.product-workflow__head{display:block}.product-workflow__mode{display:inline-flex;margin-top:11px}.product-workflow__grid{gap:8px}.product-workflow__item{min-height:122px;padding:12px}.product-workflow__item b{font-size:13px}}@media(prefers-reduced-motion:reduce){.product-workflow__item{transition:none}.product-workflow__item:hover{transform:none}}


/* V4 · PhysChem Lab scientific exploration console */
.physchem-intro{
  position:relative;isolation:isolate;overflow:hidden;min-height:166px;
  padding:26px clamp(20px,3vw,38px);border-radius:20px;
  background:
    radial-gradient(circle at 84% 13%,rgba(53,171,165,.19),transparent 25%),
    radial-gradient(circle at 96% 100%,rgba(63,137,169,.12),transparent 34%),
    linear-gradient(112deg,#fff 0%,#eff8f9 58%,#eaf6f3 100%);
  box-shadow:0 12px 32px rgba(24,78,91,.07);
}
.physchem-intro:after{
  content:"PHYS · CHEM";position:absolute;z-index:-1;right:4%;top:17%;
  color:rgba(21,117,126,.055);font-size:clamp(44px,7vw,92px);
  font-weight:900;letter-spacing:-4px;line-height:1;
}
.physchem-intro h2{font-size:clamp(23px,2.5vw,32px);letter-spacing:-.7px}
.physchem-intro p{font-size:12px;max-width:790px}
.physchem-intro .atom{
  width:90px;height:90px;flex-basis:90px;border-radius:27px;
  color:#f1ffff;background:linear-gradient(145deg,#176f83,#3aa59c);
  border:1px solid #72b8b6;box-shadow:0 13px 29px rgba(25,121,128,.17);
  font-size:33px;
}
.lab-commandbar{
  margin:0 clamp(16px,2.2vw,30px) 14px;padding:15px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border:1px solid #d8e7ea;border-radius:15px;background:#fff;
  box-shadow:0 7px 21px rgba(22,69,83,.045);
}
.lab-command-copy{display:flex;flex-direction:column;gap:3px}
.lab-command-copy .eyebrow{font-size:9px;letter-spacing:1.7px;color:#17828a;font-weight:850}
.lab-command-copy strong{font-size:14px;color:#234b5c}
.lab-command-copy small{font-size:10px;color:#78909a}
.lab-command-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px}
.lab-command-actions button{
  min-height:34px;padding:7px 11px;border:1px solid #dce8eb;border-radius:9px;
  background:#f7fbfc;color:#4d707c;font-size:10px;font-weight:700;
}
.lab-command-actions button:hover{border-color:#a9d1d2;background:#eef8f7;color:#177e86}
.product-workflow{
  margin:0 clamp(16px,2.2vw,30px) 17px;padding:19px 20px;
  border:1px solid #d9e7e9;border-radius:17px;background:#fff;
  box-shadow:0 8px 22px rgba(22,69,83,.045);
}
.product-workflow__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:13px}
.product-workflow__head .eyebrow{font-size:9px;letter-spacing:1.8px;color:#16828a;font-weight:850}
.product-workflow__head h3{font-size:16px;color:#234b5c;margin:4px 0}
.product-workflow__head p{font-size:10.5px;color:#758b96}
.product-workflow__mode{white-space:nowrap;padding:6px 10px;border-radius:30px;background:#edf7f5;color:#3f7d76;font-size:9px;font-weight:800}
.product-workflow__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
.product-workflow__item{
  min-height:108px;display:flex;flex-direction:column;align-items:flex-start;gap:7px;
  padding:12px;border:1px solid #e0eaec;border-radius:12px;
  background:linear-gradient(145deg,#fff,#f6fbfb);text-align:left;
  transition:transform .18s,border-color .18s,box-shadow .18s;
}
.product-workflow__item:hover{transform:translateY(-3px);border-color:#a9d3d3;box-shadow:0 9px 21px rgba(23,112,117,.075)}
.product-workflow__item i{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:#eaf6f4;color:#16818a;font-size:10px;font-style:normal;font-weight:850}
.product-workflow__item b{font-size:11.5px;color:#294f5e}
.product-workflow__item small{font-size:9.5px;color:#7b909a}
.product-workflow__item span{margin-top:auto;color:#177f88;font-size:9.5px;font-weight:750}
.product-workflow__foot{margin-top:11px;padding-top:9px;border-top:1px solid #edf1f2;color:#899ca3;font-size:9px;line-height:1.6}
.sw{
  margin:0 clamp(16px,2.2vw,30px) 15px;border:1px solid #d5e5e9;border-radius:18px;
  background:radial-gradient(circle at 50% 40%,#17384b,#0c2436 70%);
  box-shadow:0 12px 30px rgba(14,48,67,.16);overflow:hidden;
}
.bt2{gap:13px;padding:0 clamp(16px,2.2vw,30px) 28px}
.bt2 .pnl{
  border:1px solid #dbe7eb;border-radius:15px;background:#fff;
  box-shadow:0 7px 22px rgba(22,69,83,.045);padding:17px;
}
.bt2 .pnl h3{color:#244b5d;font-size:13px}
.bt2 .pnl input:not([type=range]),.bt2 .pnl select{border-color:#d8e5e9;background:#fbfdfd}
.bt2 .pnl input:focus,.bt2 .pnl select:focus{border-color:#79b9b8;box-shadow:0 0 0 3px rgba(22,127,134,.1)}
.bt2 .pnl .bd{background:#edf7f5;color:#3f7d76;border:1px solid #d4e9e4;border-radius:20px;padding:3px 7px;font-size:8px}
@media(max-width:900px){
 .lab-commandbar{align-items:flex-start;flex-direction:column}
 .lab-command-actions{justify-content:flex-start}
 .product-workflow__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .product-workflow__head{flex-direction:column}
}
@media(max-width:560px){
 .physchem-intro{padding:20px 16px;border-radius:15px}
 .physchem-intro:after{font-size:38px;right:0}
 .physchem-intro .atom{width:60px;height:60px;flex-basis:60px;border-radius:18px;font-size:22px}
 .lab-commandbar{margin-left:12px;margin-right:12px;padding:13px}
 .lab-command-actions{display:grid;width:100%;grid-template-columns:1fr 1fr}
 .lab-command-actions button{width:100%;padding:7px 6px}
 .product-workflow{margin-left:12px;margin-right:12px;padding:14px 11px}
 .product-workflow__grid{gap:7px}
 .product-workflow__item{min-height:112px;padding:9px}
 .product-workflow__item small{font-size:8.5px}
 .bt2{padding-left:12px;padding-right:12px}
 .ac{flex-wrap:wrap;justify-content:flex-end}
}