/* =====================================================================
   HÓA SINH · GIAO DIỆN ĐIỆN ẢNH: hero 3D, showroom thiết bị, trang thiết bị
   ===================================================================== */
:root{
  --night:#040a1b; --night-2:#0a1634; --night-3:#10224a; --glow:#34f59a; --aqua:#2acdf6; --amber:#ffb547;
  --fg:#eaf2ff; --fg-2:#a9bbdb; --fg-3:#7186ad; --hair:rgba(160,200,255,.14);
  --ease:cubic-bezier(.2,.7,.1,1);
}
.cbtn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;border-radius:999px;font:700 14.5px/1 var(--font,'Be Vietnam Pro',sans-serif);text-decoration:none;cursor:pointer;border:0;transition:transform .35s var(--ease),box-shadow .35s,background .3s,color .3s;white-space:nowrap}
.cbtn svg{width:18px;height:18px;flex:none}
.cbtn-glow{color:#04241a;background:linear-gradient(100deg,#94e240,#34f59a 45%,#2acdf6);box-shadow:0 10px 40px -8px rgba(52,245,154,.55),inset 0 1px 0 rgba(255,255,255,.5)}
.cbtn-glow:hover{transform:translateY(-2px);box-shadow:0 18px 50px -8px rgba(52,245,154,.7),inset 0 1px 0 rgba(255,255,255,.5)}
.cbtn-glass{color:var(--fg);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.cbtn-glass:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.cbtn-sm{min-height:40px;padding:9px 16px;font-size:13.5px}

/* ============================ HERO ĐIỆN ẢNH ============================ */
#hero.cine{position:relative;height:820vh;height:820svh;background:var(--night);color:var(--fg)}
.m-flow #hero.cine{height:100vh!important;height:100svh!important}
.m-flow .cine-sticky{position:relative;top:auto}
.cine-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;isolation:isolate}
.cine-gl{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}
.cine-poster{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(60% 50% at 50% 62%,rgba(52,245,154,.18),transparent 60%),
  radial-gradient(80% 60% at 50% 110%,rgba(42,205,246,.22),transparent 60%),
  radial-gradient(120% 90% at 50% 0%,#0d1d44 0%,var(--night) 70%)}
.cine-poster::after{content:"";position:absolute;left:50%;bottom:18%;width:min(70vw,900px);aspect-ratio:3/1;transform:translateX(-50%);border-radius:50%;border:2px solid rgba(52,245,154,.35);box-shadow:0 0 60px rgba(52,245,154,.25),inset 0 0 60px rgba(42,205,246,.15)}
.cine.live3d .cine-poster{opacity:0;transition:opacity 1.6s}
.cine-vig{position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(120% 90% at 50% 50%,transparent 55%,rgba(2,6,16,.75) 100%)}
.cine-shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(3,8,22,.82) 0%,rgba(3,8,22,.45) 30%,transparent 58%)}
.cine-grain{position:absolute;inset:-50%;z-index:2;pointer-events:none;opacity:.075;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation:grain 1s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-4%,3%)}40%{transform:translate(3%,-5%)}60%{transform:translate(-2%,6%)}80%{transform:translate(5%,2%)}100%{transform:translate(0,0)}}
.cine-bar{position:absolute;left:0;right:0;height:9vh;background:#000;z-index:6;transition:height 1.6s var(--ease)}
.cine-bar.cb-t{top:0}.cine-bar.cb-b{bottom:0}
.cine.live3d .cine-bar{height:5.2vh}
.cine.past .cine-bar{height:0}
@media (max-width:820px){.cine-bar{height:5vh}.cine.live3d .cine-bar{height:0}}

/* HUD máy quay */
.cine-hud{position:absolute;z-index:7;left:var(--gut,24px);right:var(--gut,24px);top:calc(5.2vh + 92px);display:flex;justify-content:space-between;align-items:center;font:600 11px/1 ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;letter-spacing:.16em;text-transform:uppercase;color:rgba(220,236,255,.62);pointer-events:none}
.cine-hud b{color:#fff;font-weight:700}
.cine-hud .rec{display:inline-flex;align-items:center;gap:8px}
.cine-hud .rec i{width:8px;height:8px;border-radius:50%;background:#ff3b4e;box-shadow:0 0 12px #ff3b4e;animation:rec 1.2s steps(2) infinite}
@keyframes rec{50%{opacity:.15}}
.cine-hud .frame{position:fixed}
.cine-corners{position:absolute;inset:calc(5.2vh + 80px) var(--gut,24px) calc(5.2vh + 70px);z-index:3;pointer-events:none;opacity:.55}
.cine-corners i{position:absolute;width:26px;height:26px;border:solid rgba(160,230,255,.6);border-width:0}
.cine-corners i:nth-child(1){left:0;top:0;border-left-width:1.5px;border-top-width:1.5px}
.cine-corners i:nth-child(2){right:0;top:0;border-right-width:1.5px;border-top-width:1.5px}
.cine-corners i:nth-child(3){left:0;bottom:0;border-left-width:1.5px;border-bottom-width:1.5px}
.cine-corners i:nth-child(4){right:0;bottom:0;border-right-width:1.5px;border-bottom-width:1.5px}
@media (max-width:820px){.cine-hud{top:84px;font-size:10px}.cine-hud .rec span,.cine-hud .tcw{display:none}.cine-corners{display:none}}

/* chương (văn bản theo cảnh) */
.cine-chs{position:absolute;z-index:5;left:var(--gut,24px);top:50%;transform:translateY(-46%);width:min(560px,calc(100% - 2*var(--gut,24px)));pointer-events:none}
.cine-ch{position:absolute;left:0;top:50%;transform:translateY(-50%);width:100%;opacity:0;visibility:hidden;transition:opacity .6s,visibility 0s .6s}
.cine-ch.on{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .9s var(--ease) .1s,visibility 0s}
.cine-ch>*{transform:translateY(26px);opacity:0;filter:blur(8px);transition:transform 1s var(--ease),opacity 1s,filter 1s}
.cine-ch.on>*{transform:none;opacity:1;filter:none}
.cine-ch.on>*:nth-child(2){transition-delay:.08s}.cine-ch.on>*:nth-child(3){transition-delay:.16s}.cine-ch.on>*:nth-child(4){transition-delay:.24s}.cine-ch.on>*:nth-child(5){transition-delay:.32s}
.cine-ey{display:inline-flex;align-items:center;gap:12px;font:700 12px/1.2 var(--font);letter-spacing:.2em;text-transform:uppercase;color:var(--glow)}
.cine-ey::before{content:"";width:34px;height:1.5px;background:linear-gradient(90deg,var(--glow),transparent)}
.cine-ch h1,.cine-ch h2{margin:18px 0 0;font:800 clamp(38px,5.6vw,80px)/1.02 var(--font);letter-spacing:-.035em;color:#fff;text-wrap:balance;text-shadow:0 10px 50px rgba(0,0,0,.45)}
.cine-ch h2{font-size:clamp(34px,4.6vw,64px)}
.cine-ch h1 em,.cine-ch h2 em{font-style:normal;background:linear-gradient(100deg,#94e240 0%,#34f59a 40%,#2acdf6 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cine-ch h1 small{display:block;margin-bottom:14px;font:700 clamp(13px,1.2vw,16px)/1.3 var(--font);letter-spacing:.24em;text-transform:uppercase;color:var(--fg-2);-webkit-text-fill-color:var(--fg-2)}
.cine-ch p{margin:20px 0 0;max-width:480px;font-size:clamp(15px,1.3vw,17.5px);line-height:1.65;color:var(--fg-2)}
.cine-ch .row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cine-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.cine-chips span{padding:7px 12px;border-radius:999px;font:600 12.5px/1 var(--font);color:#dff;background:rgba(42,205,246,.1);border:1px solid rgba(42,205,246,.3)}
.cine-big{display:flex;gap:26px;margin-top:26px}
.cine-big div{display:flex;flex-direction:column;gap:6px}
.cine-big b{font:800 clamp(26px,2.6vw,38px)/1 var(--font);color:#fff;letter-spacing:-.02em}
.cine-big small{font:600 11.5px/1.2 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3)}

/* nhãn gắn thiết bị */
.cine-tags{position:absolute;inset:0;z-index:4;pointer-events:none}
.ctag{position:absolute;left:0;top:0;opacity:0;transition:opacity .5s;will-change:transform;pointer-events:none}
.ctag.on{opacity:1;pointer-events:auto}
.ctag a{position:absolute;left:0;bottom:0;transform:translate(-50%,-14px);display:flex;flex-direction:column;gap:3px;padding:10px 14px 11px;min-width:170px;border-radius:14px;text-decoration:none;color:#fff;background:rgba(6,14,36,.62);border:1px solid rgba(120,220,255,.35);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 10px 30px rgba(0,0,0,.35);transition:border-color .3s,background .3s}
.ctag a:hover{border-color:var(--glow);background:rgba(6,30,36,.8)}
.ctag a::after{content:"";position:absolute;left:50%;top:100%;width:1.5px;height:14px;background:linear-gradient(rgba(120,220,255,.7),transparent)}
.ctag b{font:700 13.5px/1.25 var(--font);white-space:nowrap}
.ctag small{font:600 11px/1.2 ui-monospace,Menlo,monospace;letter-spacing:.06em;color:var(--glow);white-space:nowrap}
.ctag i{position:absolute;left:0;top:0;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;background:var(--glow);box-shadow:0 0 0 4px rgba(52,245,154,.25),0 0 18px var(--glow);animation:pulseDot 2s infinite}
@keyframes pulseDot{50%{box-shadow:0 0 0 9px rgba(52,245,154,.05),0 0 18px var(--glow)}}
@media (max-width:820px){.ctag a{min-width:0;padding:8px 11px}.ctag small{display:none}}

/* thanh chương phía dưới */
.cine-nav{position:absolute;z-index:7;left:50%;bottom:calc(5.2vh + 22px);transform:translateX(-50%);display:flex;align-items:center;gap:4px;padding:6px;border-radius:999px;background:rgba(6,14,36,.55);border:1px solid var(--hair);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.cine-nav button{position:relative;display:flex;align-items:center;gap:8px;height:34px;padding:0 12px;border:0;border-radius:999px;background:transparent;color:var(--fg-3);font:700 11.5px/1 var(--font);letter-spacing:.06em;cursor:pointer;transition:color .3s,background .3s}
.cine-nav button span{display:none}
.cine-nav button.on{color:#04241a;background:var(--glow)}
.cine-nav button.on span{display:inline}
.cine-nav button:hover{color:#fff}.cine-nav button.on:hover{color:#04241a}
.cine-prog{position:absolute;z-index:7;left:0;right:0;bottom:5.2vh;height:2px;background:rgba(255,255,255,.08)}
.cine-prog i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#94e240,#34f59a,#2acdf6)}
.cine-hint{position:absolute;z-index:7;left:var(--gut,24px);bottom:calc(5.2vh + 30px);display:flex;align-items:center;gap:12px;font:600 11px/1 var(--font);letter-spacing:.2em;text-transform:uppercase;color:var(--fg-2);transition:opacity .5s}
.cine-hint span{position:relative;width:22px;height:36px;border:1.5px solid rgba(255,255,255,.4);border-radius:12px}
.cine-hint span::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:8px;margin-left:-1.5px;border-radius:2px;background:var(--glow);animation:wheel 1.6s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(-3px)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
@media (max-width:820px){
  .cine-nav{bottom:18px;left:16px;transform:none;max-width:calc(100% - 112px);overflow-x:auto;scrollbar-width:none}
  .cine-nav::-webkit-scrollbar{display:none}
  .cine-nav button{padding:0 10px;flex:none}
  .cine-prog{bottom:0}
  .cine-hint{display:none}
  .cine-chs{top:auto;bottom:86px;transform:none;height:56%}
  .cine-ch{top:auto;bottom:0;transform:none}
  .cine-shade{background:linear-gradient(0deg,rgba(3,8,22,.92) 0%,rgba(3,8,22,.55) 45%,transparent 70%)}
  .cine-ch h1{font-size:clamp(32px,9vw,44px)}.cine-ch h2{font-size:clamp(28px,8vw,38px)}
  .cine-ch p{font-size:14.5px;margin-top:12px}
  .cine-ch .row{margin-top:18px}
  .cine-big{gap:18px;margin-top:16px}
}
@media (prefers-reduced-motion:reduce){.cine-grain{animation:none}.cine-ch>*{transition:none}}

/* ============================ SHOWROOM 3D ============================ */
.showroom{position:relative;padding-block:clamp(80px,10vw,140px);background:
  radial-gradient(70% 50% at 25% 0%,rgba(52,245,154,.12),transparent 60%),
  radial-gradient(60% 50% at 100% 100%,rgba(42,205,246,.12),transparent 60%),
  linear-gradient(180deg,#071027 0%,var(--night) 100%);color:var(--fg);overflow:hidden;isolation:isolate}
.showroom::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.35;background-image:linear-gradient(rgba(120,190,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,255,.07) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(80% 70% at 50% 40%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(80% 70% at 50% 40%,#000 30%,transparent 80%)}
.sr-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sr-head h2{margin:14px 0 0;font:800 clamp(34px,4.4vw,58px)/1.04 var(--font);letter-spacing:-.03em;color:#fff}
.sr-head h2 em{font-style:normal;background:linear-gradient(100deg,#94e240,#34f59a 45%,#2acdf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sr-head p{margin:14px 0 0;max-width:520px;color:var(--fg-2);font-size:16px;line-height:1.65}
.sr-tabs{display:flex;flex-wrap:wrap;gap:8px}
.sr-tabs button{height:38px;padding:0 15px;border-radius:999px;border:1px solid var(--hair);background:rgba(255,255,255,.04);color:var(--fg-2);font:700 13px/1 var(--font);cursor:pointer;transition:all .3s}
.sr-tabs button small{margin-left:6px;opacity:.6;font-weight:600}
.sr-tabs button:hover{color:#fff;border-color:rgba(255,255,255,.3)}
.sr-tabs button.on{background:#fff;color:var(--night);border-color:#fff}
.srm{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,1fr);gap:22px;align-items:stretch}
.sr-stage{position:relative;min-height:560px;border-radius:28px;overflow:hidden;background:radial-gradient(80% 70% at 50% 75%,#11285a 0%,#081431 55%,#050c20 100%);border:1px solid var(--hair);box-shadow:0 40px 120px -30px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.06)}
.sr-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab}
.sr-stage canvas.grabbing{cursor:grabbing}
.sr-stage .sr-fallback{position:absolute;inset:8%;width:84%;height:84%;object-fit:contain;opacity:0;transition:opacity .4s}
.sr-stage.nogl .sr-fallback{opacity:1}
.sr-ov{position:absolute;inset:0;pointer-events:none;padding:22px 24px;display:flex;flex-direction:column;justify-content:space-between}
.sr-ov-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.sr-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(6,14,36,.6);border:1px solid var(--hair);font:700 11.5px/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--glow);backdrop-filter:blur(8px)}
.sr-badge i{width:7px;height:7px;border-radius:50%;background:var(--glow);box-shadow:0 0 10px var(--glow)}
.sr-idx{font:700 12px/1 ui-monospace,Menlo,monospace;letter-spacing:.14em;color:var(--fg-3)}
.sr-idx b{font-size:34px;color:#fff;letter-spacing:-.02em;font-family:var(--font)}
.sr-ov-bot{display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.sr-dim{font:600 11.5px/1.5 ui-monospace,Menlo,monospace;letter-spacing:.06em;color:var(--fg-2)}
.sr-dim b{display:block;color:#fff;font-size:13px}
.sr-ctrl{display:flex;gap:8px;pointer-events:auto}
.sr-ctrl button{width:44px;height:44px;border-radius:50%;border:1px solid var(--hair);background:rgba(6,14,36,.6);color:#fff;display:grid;place-items:center;cursor:pointer;transition:all .3s;backdrop-filter:blur(8px)}
.sr-ctrl button:hover{background:var(--glow);color:var(--night);border-color:var(--glow)}
.sr-ctrl svg{width:18px;height:18px}
.sr-drag{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;font:600 11.5px/1 var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--fg-2);pointer-events:none;transition:opacity .5s}
.sr-drag svg{width:18px;height:18px;animation:sway 2.4s ease-in-out infinite}
@keyframes sway{50%{transform:translateX(6px)}}
.sr-info{display:flex;flex-direction:column;padding:28px;border-radius:28px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--hair)}
.sr-info .grp{font:700 12px/1 var(--font);letter-spacing:.16em;text-transform:uppercase;color:var(--aqua)}
.sr-info h3{margin:12px 0 0;font:800 clamp(22px,2.2vw,28px)/1.18 var(--font);color:#fff;letter-spacing:-.015em}
.sr-info .mdl{margin-top:8px;font:600 12.5px/1.4 ui-monospace,Menlo,monospace;color:var(--fg-3)}
.sr-info p{margin:16px 0 0;color:var(--fg-2);font-size:15px;line-height:1.65}
.sr-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0 0}
.sr-stats div{padding:14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--hair)}
.sr-stats b{display:block;font:800 19px/1.1 var(--font);color:#fff;letter-spacing:-.01em}
.sr-stats small{display:block;margin-top:6px;font:600 11px/1.2 var(--font);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-3)}
.sr-info .row{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:24px}
.sr-list{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-top:22px}
.sr-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 10px 14px;border-radius:20px;border:1px solid var(--hair);background:rgba(255,255,255,.03);color:var(--fg-2);font:600 12.5px/1.3 var(--font);text-align:center;cursor:pointer;transition:transform .4s var(--ease),border-color .3s,background .3s,color .3s}
.sr-card img{width:100%;height:auto;aspect-ratio:1;object-fit:contain;filter:drop-shadow(0 10px 18px rgba(0,0,0,.45));transition:transform .5s var(--ease)}
.sr-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.3);color:#fff}
.sr-card:hover img{transform:scale(1.06) rotate(-2deg)}
.sr-card.on{border-color:var(--glow);background:rgba(52,245,154,.08);color:#fff;box-shadow:0 0 0 1px var(--glow),0 20px 40px -20px rgba(52,245,154,.6)}
.sr-card[hidden]{display:none}
@media (max-width:1020px){.srm{grid-template-columns:1fr}.sr-stage{min-height:440px}.sr-list{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:620px){.sr-drag{display:none}.sr-stage{min-height:380px;border-radius:22px}.sr-list{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:calc(-1 * var(--gut,20px));padding-inline:var(--gut,20px);scrollbar-width:none}.sr-list::-webkit-scrollbar{display:none}.sr-card{flex:0 0 132px;scroll-snap-align:start}.sr-info{padding:22px}.sr-ov{padding:16px}}

/* ============================ TRANG THIẾT BỊ ============================ */
body.eqp{background:#f4f8fb}
.eq-hero{position:relative;color:var(--fg);background:radial-gradient(70% 60% at 30% 60%,#12306a 0%,#081634 55%,var(--night) 100%);padding:120px 0 56px;overflow:hidden;isolation:isolate}
.eq-hero::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.4;background-image:linear-gradient(rgba(120,190,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,255,.07) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(70% 70% at 40% 50%,#000,transparent 80%);-webkit-mask-image:radial-gradient(70% 70% at 40% 50%,#000,transparent 80%)}
.eq-hero .crumbs{color:var(--fg-3);font-size:13px;margin-bottom:22px}
.eq-hero .crumbs a{color:var(--fg-2);text-decoration:none}.eq-hero .crumbs a:hover{color:#fff}
.eq-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:36px;align-items:center}
.eq-view{position:relative;aspect-ratio:1/1;max-height:640px;width:100%;border-radius:30px;overflow:hidden;background:radial-gradient(80% 70% at 50% 70%,#163a7c 0%,#0a1a3d 55%,#060f26 100%);border:1px solid var(--hair);box-shadow:0 50px 120px -40px rgba(0,0,0,.7)}
.eq-view canvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab;display:block}
.eq-view canvas.grabbing{cursor:grabbing}
.eq-view>img{position:absolute;inset:6%;width:88%;height:88%;object-fit:contain;transition:opacity .6s}
.eq-view.is-3d>img{opacity:0}
.eq-tools{position:absolute;right:16px;bottom:16px;display:flex;gap:8px}
.eq-tools button{width:42px;height:42px;border-radius:50%;border:1px solid var(--hair);background:rgba(6,14,36,.6);color:#fff;display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(8px);transition:all .3s}
.eq-tools button:hover,.eq-tools button[aria-pressed="true"]{background:var(--glow);color:var(--night);border-color:var(--glow)}
.eq-tools svg{width:18px;height:18px}
.eq-tip{position:absolute;left:18px;bottom:22px;font:600 11px/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-2)}
.eq-txt .eyebrow{color:var(--glow)}
.eq-txt h1{margin:14px 0 0;font:800 clamp(30px,3.6vw,48px)/1.08 var(--font);letter-spacing:-.025em;color:#fff;text-wrap:balance}
.eq-txt .mdl{margin-top:12px;font:600 13px/1.4 ui-monospace,Menlo,monospace;color:var(--aqua)}
.eq-txt .lead{margin:18px 0 0;color:var(--fg-2);font-size:16.5px;line-height:1.7}
.eq-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
.eq-stats div{padding:16px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid var(--hair)}
.eq-stats b{display:block;font:800 22px/1.1 var(--font);color:#fff}
.eq-stats small{display:block;margin-top:6px;font:600 11px/1.2 var(--font);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-3)}
.eq-txt .row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.eq-body{padding-block:56px 20px}
.eq-sec{margin-top:44px}
.eq-sec:first-child{margin-top:0}
.eq-sec h2{margin:0 0 18px;font:800 clamp(24px,2.4vw,32px)/1.2 var(--font);letter-spacing:-.02em;color:var(--ink,#14244d)}
.eq-spec{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:20px;overflow:hidden;border:1px solid rgba(30,58,123,.1);font-size:15px}
.eq-spec th,.eq-spec td{padding:14px 18px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(30,58,123,.08)}
.eq-spec tr:last-child th,.eq-spec tr:last-child td{border-bottom:0}
.eq-spec th{width:38%;color:#5a6a8c;font-weight:600;background:#f8fbfd}
.eq-spec td{color:#14244d;font-weight:600}
.eq-feat{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.eq-feat article{padding:22px;border-radius:20px;background:#fff;border:1px solid rgba(30,58,123,.1);transition:transform .4s var(--ease),box-shadow .4s}
.eq-feat article:hover{transform:translateY(-4px);box-shadow:0 20px 40px -20px rgba(30,58,123,.3)}
.eq-feat .n{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#213a7d,#059e5d);color:#fff;font:800 14px/1 var(--font)}
.eq-feat h3{margin:14px 0 0;font:700 16.5px/1.3 var(--font);color:#14244d}
.eq-feat p{margin:8px 0 0;color:#5a6a8c;font-size:14.5px;line-height:1.6}
.eq-uses{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.eq-uses li{position:relative;padding:14px 16px 14px 48px;border-radius:16px;background:#fff;border:1px solid rgba(30,58,123,.1);color:#14244d;line-height:1.55}
.eq-uses li::before{content:"";position:absolute;left:16px;top:16px;width:20px;height:20px;border-radius:50%;background:#e7f6ee url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23059e5d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M6 12l4 4 8-8'/></svg>") center/12px no-repeat}
.eq-chems{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.eq-chems a{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border-radius:18px;background:#fff;border:1px solid rgba(30,58,123,.1);text-decoration:none;color:#14244d;transition:all .3s}
.eq-chems a:hover{border-color:#059e5d;transform:translateY(-3px)}
.eq-chems span{font:700 13px/1 ui-monospace,Menlo,monospace;color:#059e5d}
.eq-chems b{font-size:15px}
.eq-chems em{font-style:normal;font-size:13px;color:#5a6a8c}
.eq-rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.eq-card{display:flex;flex-direction:column;border-radius:22px;overflow:hidden;text-decoration:none;color:var(--fg);background:radial-gradient(80% 70% at 50% 60%,#14336f,#081634);border:1px solid rgba(30,58,123,.2);transition:transform .45s var(--ease),box-shadow .45s}
.eq-card:hover{transform:translateY(-6px);box-shadow:0 30px 50px -25px rgba(8,22,52,.7)}
.eq-card img{width:100%;height:auto;aspect-ratio:1;object-fit:contain;padding:8px;transition:transform .6s var(--ease)}
.eq-card:hover img{transform:scale(1.07)}
.eq-card div{padding:0 16px 16px}
.eq-card small{display:block;font:700 10.5px/1 var(--font);letter-spacing:.14em;text-transform:uppercase;color:var(--aqua)}
.eq-card b{display:block;margin-top:7px;font:700 15px/1.3 var(--font);color:#fff}
.eq-card em{display:block;margin-top:6px;font:600 12px/1.3 ui-monospace,Menlo,monospace;font-style:normal;color:var(--glow)}
.eq-idx-group{margin-top:48px}
.eq-idx-group:first-child{margin-top:0}
.eq-idx-group>header{display:flex;align-items:baseline;gap:14px;margin-bottom:18px}
.eq-idx-group>header span{font:800 14px/1 ui-monospace,Menlo,monospace;color:#059e5d}
.eq-idx-group>header h2{margin:0;font:800 clamp(22px,2.2vw,28px)/1.2 var(--font);color:#14244d}
.eq-idx-group>header p{margin:0;color:#5a6a8c;font-size:14.5px}
@media (max-width:980px){.eq-grid{grid-template-columns:1fr}.eq-feat{grid-template-columns:1fr 1fr}.eq-hero{padding-top:100px}}
@media (max-width:560px){.eq-tip{display:none}.eq-feat{grid-template-columns:1fr}.eq-spec th{width:44%}.eq-spec th,.eq-spec td{padding:12px 14px;font-size:14px}.eq-view{border-radius:22px}}

/* liên kết thiết bị trong menu các trang con */
.links a.eq-link{color:#059e5d;font-weight:700}

/* trang danh mục thiết bị: cụm ảnh 3D bên phải */
.eq-collage{position:absolute;right:max(24px,calc(50% - 600px));top:50%;width:min(44vw,520px);aspect-ratio:1;transform:translateY(-46%);pointer-events:none}
.eq-collage img{position:absolute;width:62%;height:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.5));animation:floaty 7s ease-in-out infinite}
.eq-collage img:nth-child(1){left:0;top:4%;width:70%;animation-delay:-2s}
.eq-collage img:nth-child(2){right:0;top:0;width:48%;animation-delay:-4s}
.eq-collage img:nth-child(3){right:6%;bottom:0;width:52%}
@keyframes floaty{50%{transform:translateY(-14px) rotate(-1.5deg)}}
@media (max-width:980px){.eq-collage{display:none}}
@media (prefers-reduced-motion:reduce){.eq-collage img{animation:none}}

/* ============================ NÚT PHỤ ============================ */
.cbtn-dark{color:#fff;background:#0b1735;box-shadow:0 10px 30px -12px rgba(8,22,52,.6)}
.cbtn-dark:hover{transform:translateY(-2px);background:#14306a}
.cbtn-out{color:#0b1735;background:#fff;border:1.5px solid rgba(11,23,53,.18)}
.cbtn-out:hover{border-color:#059e5d;color:#059e5d}
.hs-tag{display:inline-block;margin-left:6px;padding:2px 7px;border-radius:999px;font:700 10px/1.4 var(--font);font-style:normal;letter-spacing:.04em;color:#04241a;background:linear-gradient(100deg,#94e240,#34f59a);vertical-align:1px}

/* ============================ BẢNG TUẦN HOÀN 3D ============================ */
.mlab{position:relative;padding-block:clamp(80px,9vw,130px);color:var(--fg);background:radial-gradient(60% 50% at 80% 10%,rgba(167,139,250,.14),transparent 60%),radial-gradient(60% 60% at 10% 90%,rgba(52,245,154,.1),transparent 60%),#050c20;overflow:hidden;isolation:isolate;border-top:1px solid var(--hair)}
.mlab .sr-head h2{margin:14px 0 0;font:800 clamp(34px,4.4vw,58px)/1.04 var(--font);letter-spacing:-.03em;color:#fff}
.mlab .sr-head h2 em{font-style:normal;background:linear-gradient(100deg,#a78bfa,#34f59a 50%,#2acdf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ml-legend{display:flex;flex-wrap:wrap;gap:8px;max-width:560px}
.ml-legend button{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 13px;border-radius:999px;border:1px solid var(--hair);background:rgba(255,255,255,.04);color:var(--fg-2);font:700 12.5px/1 var(--font);cursor:pointer;transition:all .3s}
.ml-legend button i{width:9px;height:9px;border-radius:3px;background:var(--c,#fff);box-shadow:0 0 10px var(--c,#fff)}
.ml-legend button.on,.ml-legend button:hover{color:#fff;border-color:rgba(255,255,255,.35)}
.ml{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:22px;align-items:start}
.ml-stage{position:sticky;top:96px;aspect-ratio:1/1;max-height:640px;border-radius:28px;overflow:hidden;background:radial-gradient(70% 60% at 50% 45%,#13275a,#070f28 70%);border:1px solid var(--hair)}
.ml-stage canvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab}
.ml-hud{position:absolute;left:18px;right:18px;top:18px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.ml-f{font:800 20px/1 var(--font);color:#fff;text-shadow:0 0 20px rgba(52,245,154,.6)}
.ml-card{position:absolute;left:16px;right:16px;bottom:16px;padding:16px 18px;border-radius:20px;background:rgba(6,14,36,.72);border:1px solid var(--hair);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.ml-card b{display:block;font:800 18px/1.25 var(--font);color:#fff}
.ml-card small{display:block;margin-top:2px;color:var(--aqua);font-weight:600;font-size:12.5px}
.ml-card p{margin:8px 0 0;color:var(--fg-2);font-size:14px;line-height:1.55}
.ml-card dl{display:flex;flex-wrap:wrap;gap:6px 18px;margin:12px 0}
.ml-card dt{font:700 10.5px/1 var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--fg-3)}
.ml-card dd{margin:4px 0 0;font:700 13.5px/1.2 ui-monospace,Menlo,monospace;color:#fff}
.ml-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:10px}
.el{position:relative;display:flex;flex-direction:column;aspect-ratio:1/1.08;padding:10px 11px;border-radius:14px;text-decoration:none;color:#fff;background:linear-gradient(160deg,color-mix(in srgb,var(--c) 22%,#0a1430),#0a1430 70%);border:1px solid color-mix(in srgb,var(--c) 45%,transparent);transition:transform .35s var(--ease),box-shadow .35s,opacity .35s,border-color .3s}
.el::before{content:"";position:absolute;left:10px;right:10px;top:0;height:3px;border-radius:0 0 3px 3px;background:var(--c);box-shadow:0 0 14px var(--c)}
.el:hover{transform:translateY(-4px);box-shadow:0 18px 30px -18px var(--c)}
.el.on{border-color:var(--c);box-shadow:0 0 0 1px var(--c),0 0 30px -6px var(--c);transform:translateY(-3px)}
.el.dim{opacity:.22}
.el-n,.el-w{position:absolute;top:10px;font:700 10.5px/1 ui-monospace,Menlo,monospace;color:rgba(255,255,255,.55)}
.el-n{left:11px}.el-w{right:11px}
.el-s{margin-top:auto;font:800 30px/1 var(--font);letter-spacing:-.02em;color:#fff}
.el-f{margin-top:5px;font:600 11px/1.2 var(--font);color:color-mix(in srgb,var(--c) 70%,#fff);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.el-name{margin-top:3px;font:600 10.5px/1.25 var(--font);color:var(--fg-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ml-grid.light .el{color:#0b1735;background:linear-gradient(160deg,color-mix(in srgb,var(--c) 14%,#fff),#fff 75%);border-color:color-mix(in srgb,var(--c) 40%,#fff)}
.ml-grid.light .el-s{color:#0b1735}.ml-grid.light .el-n,.ml-grid.light .el-w{color:#7186ad}.ml-grid.light .el-name{color:#5a6a8c}.ml-grid.light .el-f{color:color-mix(in srgb,var(--c) 70%,#0b1735)}
@media (max-width:900px){.ml{grid-template-columns:1fr}.ml-stage{position:relative;top:0;aspect-ratio:1/1.05}.ml-grid{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}}

/* ============================ MÁY TÍNH MS ============================ */
.calc-sec,.pk-sec{background:#f4f8fb}
.calc-head{max-width:760px;margin-bottom:28px}
.calc-head p{color:#5a6a8c;line-height:1.65;margin-top:10px}
.calc{display:grid;grid-template-columns:300px minmax(0,1fr);gap:20px;align-items:start}
.calc-in{display:grid;gap:12px;padding:22px;border-radius:22px;background:#0b1735;color:#fff;position:sticky;top:96px}
.calc-in label{display:grid;gap:6px;font:700 12px/1.2 var(--font);letter-spacing:.06em;text-transform:uppercase;color:#a9bbdb}
.calc-in .u{display:flex;align-items:center;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)}
.calc-in input,.calc-in select{width:100%;min-width:0;height:44px;padding:0 12px;border:0;border-radius:12px;background:transparent;color:#fff;font:700 16px/1 var(--font)}
.calc-in select{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)}
.calc-in select option{color:#0b1735}
.calc-in em{padding:0 12px;font-style:normal;color:#34f59a;font-weight:700;text-transform:none;letter-spacing:0}
.calc-in input:focus,.calc-in select:focus{outline:2px solid #34f59a;outline-offset:1px}
.calc-res{padding:22px;border-radius:22px;background:#fff;border:1px solid rgba(30,58,123,.1)}
.calc-sum{margin:0 0 14px;color:#14244d;font-size:14.5px;line-height:1.6}
.calc-tbl{overflow-x:auto}
.calc-out{width:100%;border-collapse:collapse;font-size:14px}
.calc-out th,.calc-out td{padding:9px 10px;text-align:left;border-bottom:1px solid rgba(30,58,123,.08)}
.calc-out thead th{font:700 11px/1.2 var(--font);letter-spacing:.08em;text-transform:uppercase;color:#7186ad}
.calc-out .gh th{padding-top:16px;font:800 12px/1.2 var(--font);letter-spacing:.1em;text-transform:uppercase;color:#059e5d;border-bottom-color:rgba(5,158,93,.25)}
.calc-out td.f{color:#5a6a8c;white-space:nowrap}
.calc-out td.n{text-align:right;font-family:ui-monospace,Menlo,monospace;white-space:nowrap}
.calc-out td.b{font-weight:800;color:#0b1735}
.calc-out a{color:#14244d;font-weight:700;text-decoration:none}.calc-out a:hover{color:#059e5d}
.calc-act{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
@media (max-width:900px){.calc{grid-template-columns:1fr}.calc-in{position:static;grid-template-columns:1fr 1fr}.calc-in label:first-child{grid-column:1/-1}}
@media print{body *{visibility:hidden}.calc-res,.calc-res *{visibility:visible}.calc-res{position:absolute;inset:0}.calc-act{display:none}}

/* ============================ GÓI PHÒNG LAB ============================ */
.pk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.pk{position:relative;display:flex;flex-direction:column;padding:26px;border-radius:24px;background:#fff;border:1px solid rgba(30,58,123,.1)}
.pk-n{font:800 13px/1 ui-monospace,Menlo,monospace;color:#059e5d}
.pk h3{margin:10px 0 0;font:800 24px/1.2 var(--font);color:#0b1735}
.pk .pk-sub{margin:4px 0 0;color:#059e5d;font-weight:700;font-size:13.5px}
.pk p{color:#5a6a8c;line-height:1.6;font-size:14.5px}
.pk-eq{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}
.pk-eq li{display:flex;align-items:center;gap:10px;padding:4px 8px 4px 4px;border-radius:12px;background:#f4f8fb}
.pk-eq img{width:40px;height:40px;object-fit:contain;border-radius:10px;background:radial-gradient(#14336f,#081634)}
.pk-eq a{color:#14244d;font-weight:700;font-size:13.5px;text-decoration:none}.pk-eq a:hover{color:#059e5d}
.pk-ch{list-style:none;margin:14px 0 20px;padding:0;display:grid;gap:4px;font-size:13.5px;color:#14244d}
.pk-ch li::before{content:"✓ ";color:#059e5d;font-weight:800}
.pk .cbtn{margin-top:auto;align-self:flex-start}
.pk-hot{background:#0b1735;border-color:#0b1735;box-shadow:0 30px 60px -30px rgba(8,22,52,.7)}
.pk-hot h3,.pk-hot .pk-ch{color:#fff}.pk-hot p{color:#a9bbdb}.pk-hot .pk-sub,.pk-hot .pk-n{color:#34f59a}
.pk-hot .pk-eq li{background:rgba(255,255,255,.06)}.pk-hot .pk-eq a{color:#fff}
@media (max-width:980px){.pk-grid{grid-template-columns:1fr}}

/* ============================ LẮP RÁP 3D ============================ */
.asm{position:relative;padding-block:clamp(70px,8vw,110px);color:var(--fg);background:radial-gradient(70% 60% at 30% 40%,#10285e,#050c20 70%);overflow:hidden}
.asm .sr-head h2{margin:14px 0 0;font:800 clamp(28px,3.6vw,48px)/1.08 var(--font);letter-spacing:-.025em;color:#fff}
.asm .sr-head h2 em{font-style:normal;background:linear-gradient(100deg,#94e240,#34f59a 45%,#2acdf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.asm .sr-head p{color:var(--fg-2);max-width:620px;line-height:1.65}
.asm-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,1fr);gap:20px;align-items:stretch}
.asm-stage{position:relative;min-height:560px;border-radius:26px;overflow:hidden;background:radial-gradient(70% 70% at 50% 65%,#163a7c,#081634 60%,#040a1b);border:1px solid var(--hair)}
.asm-stage canvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab}
.asm-stage .cine-bar{height:22px;background:#000;z-index:2}
.asm-cap{position:absolute;z-index:3;left:22px;top:38px;display:flex;flex-direction:column;gap:4px;pointer-events:none}
.asm-cap small{font:700 11px/1 ui-monospace,Menlo,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--glow)}
.asm-cap b{font:800 clamp(20px,2.2vw,28px)/1.15 var(--font);color:#fff;text-shadow:0 6px 30px rgba(0,0,0,.6)}
.asm-ctl{position:absolute;z-index:3;left:18px;right:18px;bottom:36px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.asm-sl{display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:999px;background:rgba(6,14,36,.65);border:1px solid var(--hair);font:700 11.5px/1 var(--font);color:var(--fg-2);backdrop-filter:blur(8px)}
.asm-sl input{width:160px;accent-color:#34f59a}
.asm-list{list-style:none;margin:0;padding:8px;display:grid;gap:4px;align-content:start;border-radius:26px;background:rgba(255,255,255,.04);border:1px solid var(--hair);max-height:620px;overflow:auto}
.asm-list li{display:flex;gap:12px;padding:12px;border-radius:16px;cursor:pointer;transition:background .3s}
.asm-list li:hover{background:rgba(255,255,255,.06)}
.asm-n{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:10px;border:1px solid var(--hair);font:800 12px/1 ui-monospace,Menlo,monospace;color:var(--fg-3);transition:all .4s}
.asm-list b{display:block;color:#fff;font-size:14.5px}
.asm-list p{margin:3px 0 0;color:var(--fg-3);font-size:13px;line-height:1.5}
.asm-list li.on{background:rgba(52,245,154,.1)}
.asm-list li.on .asm-n{border-color:var(--glow);color:var(--glow);box-shadow:0 0 18px rgba(52,245,154,.5)}
.asm-list li.done .asm-n{background:var(--glow);border-color:var(--glow);color:#04241a}
@media (max-width:980px){.asm-grid{grid-template-columns:1fr}.asm-stage{min-height:420px}.asm-list{max-height:none}}

/* ============================ HỒ SƠ HÓA CHẤT ============================ */
.mol-view{background:radial-gradient(70% 60% at 50% 45%,color-mix(in srgb,var(--c) 30%,#0a1a3d),#060f26 70%)}
.mol-ph{position:absolute;inset:0;display:grid;place-content:center;text-align:center;transition:opacity .6s}
.mol-ph b{font:800 clamp(80px,12vw,150px)/1 var(--font);color:#fff;text-shadow:0 0 50px var(--c)}
.mol-ph span{margin-top:8px;font:700 18px/1 var(--font);color:var(--fg-2)}
.mol-view.is-3d .mol-ph{opacity:0}
.ch-role .big{font-size:clamp(17px,1.6vw,20px);line-height:1.75;color:#14244d;max-width:860px}
.ch-two{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.ch-card{padding:16px 18px;margin-bottom:10px;border-radius:16px;background:#fff;border:1px solid rgba(30,58,123,.1)}
.ch-card span{font:700 11px/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:#059e5d}
.ch-card p{margin:6px 0 0;color:#14244d;line-height:1.6}
@media (max-width:900px){.ch-two{grid-template-columns:1fr}}

/* ============================ HƯỚNG DẪN PHA ============================ */
.gd-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.gd-steps li{display:flex;gap:14px;padding:18px;border-radius:20px;background:#fff;border:1px solid rgba(30,58,123,.1)}
.gd-n{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#213a7d,#059e5d);color:#fff;font:800 14px/1 var(--font)}
.gd-steps h3{margin:2px 0 0;font:700 16.5px/1.3 var(--font);color:#14244d}
.gd-steps p{margin:6px 0 0;color:#5a6a8c;font-size:14.5px;line-height:1.6}
.gd-eq{display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:4px 12px 4px 4px;border-radius:999px;background:#f4f8fb;color:#14244d;font-weight:700;font-size:13px;text-decoration:none}
.gd-eq img{width:30px;height:30px;border-radius:50%;background:#0b1735;object-fit:contain}
.gd-eq:hover{color:#059e5d}
.gd-stock td{font-weight:500}
@media (max-width:760px){.gd-steps{grid-template-columns:1fr}}
.calc>*{min-width:0}.calc-in .u,.calc-in label{min-width:0}
@media (max-width:900px){
  .ml-stage{aspect-ratio:auto;padding-top:min(92vw,420px)}
  .ml-stage canvas{height:min(92vw,420px);bottom:auto}
  .ml-card{position:relative;left:auto;right:auto;bottom:auto;margin:0 12px 12px}
}
@media (max-width:560px){.calc-in{grid-template-columns:1fr}.calc-res{padding:16px}.calc-out th,.calc-out td{padding:8px 6px;font-size:13px}.calc-out td.f{display:none}.calc-out thead th:nth-child(2){display:none}}

/* ============================ CHÂN TRANG CÂN ĐỐI ============================ */
.fgrid.fg5{grid-template-columns:minmax(0,1.45fr) repeat(3,minmax(0,1fr)) minmax(0,1.25fr);gap:28px 32px}
.fgrid.fg4{grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:28px 32px}
.fgrid.fg5 ul,.fgrid.fg4 ul{gap:9px}
.fgrid.fg5 a,.fgrid.fg4 a{overflow-wrap:anywhere}
@media (max-width:1020px){.fgrid.fg5,.fgrid.fg4{grid-template-columns:repeat(3,minmax(0,1fr))}.fgrid.fg5>:first-child,.fgrid.fg4>:first-child{grid-column:1/-1;max-width:560px}.fgrid.fg5>:last-child{grid-column:span 1}}
@media (max-width:640px){.fgrid.fg5,.fgrid.fg4{grid-template-columns:1fr 1fr}.fgrid.fg5>:last-child{grid-column:1/-1}}
/* chữ lớn chân trang: luôn vừa bề rộng */
.f-word{font-size:clamp(32px,10.2vw,144px)!important;letter-spacing:-.02em!important;line-height:1.28!important;padding:.06em 0 .02em;max-width:100%;overflow:visible!important}
@media (min-width:1200px){.f-word{font-size:142px!important}}

/* bảng kế hoạch dung dịch mẹ */
.gd-stock{table-layout:fixed}
.gd-stock th,.gd-stock td{width:auto!important;vertical-align:top}
.gd-stock thead th{background:#0b1735;color:#fff;font:700 12px/1.3 var(--font);letter-spacing:.06em;text-transform:uppercase}
.gd-stock tbody th{color:#14244d;font-weight:800}
.gd-stock td:nth-child(3){font-family:ui-monospace,Menlo,monospace;font-weight:800;color:#059e5d;white-space:nowrap}
@media (max-width:640px){.gd-stock{min-width:620px}}

/* ghi chú hình 3D mô phỏng */
.sim-note{display:inline-flex;align-items:center;gap:7px;font:600 11.5px/1.35 var(--font);color:var(--fg-2)}
.sim-note::before{content:"i";flex:none;display:grid;place-items:center;width:16px;height:16px;border-radius:50%;border:1px solid currentColor;font:700 10px/1 Georgia,serif;font-style:italic}
.sim-chip{position:absolute;z-index:4;right:14px;top:14px;max-width:min(320px,70%);padding:7px 11px;border-radius:12px;background:rgba(4,10,27,.62);border:1px solid var(--hair);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);pointer-events:none}
.sim-line{margin:14px 0 0;color:var(--fg-3)}
.sim-line.light{color:#5a6a8c}
.cine-sim{position:absolute;z-index:7;right:var(--gut,24px);top:calc(5.2vh + 116px);font-size:10.5px;color:rgba(220,236,255,.55);pointer-events:none}
@media (max-width:820px){.cine-sim{top:108px}}
.eq-view .sim-chip{top:auto;bottom:66px;right:16px}

/* ============================ BURET ĐIỀU HƯỚNG (ống chuẩn độ 0–60 mL) ============================ */
.bur{--f:0;--H:min(52vh,440px);position:fixed;z-index:60;right:16px;top:50%;transform:translateY(-56%);display:flex;flex-direction:column;align-items:center;padding:10px 7px 8px 26px;border-radius:18px;background:rgba(8,18,44,.74);border:1px solid rgba(170,215,255,.2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.bur-read{display:flex;align-items:baseline;gap:3px;margin:0 0 8px -18px;font:600 9px/1 ui-monospace,Menlo,monospace;color:#9fe8ff;white-space:nowrap}
.bur-read b{font:800 11.5px/1 ui-monospace,Menlo,monospace;color:#fff;min-width:28px;text-align:right}
.bur-body{position:relative;height:var(--H);width:10px}
.bur-tube{position:absolute;inset:0;border-radius:5px 5px 2px 2px;overflow:hidden;background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(225,242,255,.6)}
.bur-grad{position:absolute;inset:0;background:repeating-linear-gradient(180deg,rgba(255,255,255,.5) 0 1px,transparent 1px calc(var(--H) / 30));opacity:.55;mix-blend-mode:screen;pointer-events:none}
.bur-liq{position:absolute;left:1px;right:1px;bottom:0;top:calc(var(--f) * 100%);background:linear-gradient(180deg,#5af7ae,#26c6dc 55%,#2a86d6);transition:top .18s linear}
.bur-men{position:absolute;left:0;right:0;top:-2px;height:4px;border-radius:50%;background:#c9ffe6;box-shadow:0 0 8px #34f59a}
.bur-glare{position:absolute;left:2px;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.7)}
.bur-ticks{list-style:none;margin:0;padding:0;position:absolute;inset:0}
.bur-ticks li{position:absolute;left:0;right:0;top:calc(var(--t) * 100%);height:0}
.bur-ticks a{position:absolute;left:-26px;top:-9px;width:36px;height:18px;display:block;text-decoration:none}
.bur-ticks a::before{content:"";position:absolute;left:16px;top:8px;width:10px;height:1.5px;border-radius:1px;background:rgba(235,246,255,.85);transition:background .25s,width .25s,left .25s}
.bur-n{position:absolute;left:0;top:4px;width:14px;text-align:right;font:700 8px/1 ui-monospace,Menlo,monospace;color:rgba(235,246,255,.65);transition:color .25s}
.bur-lb{position:absolute;right:calc(100% + 6px);top:50%;transform:translate(6px,-50%);display:flex;align-items:center;gap:6px;padding:5px 9px;border-radius:9px;white-space:nowrap;background:rgba(9,20,48,.92);border:1px solid rgba(52,245,154,.35);font:600 11.5px/1 var(--font);color:#fff;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.bur-lb small{font:700 9.5px/1 ui-monospace,Menlo,monospace;color:#34f59a}
.bur-ticks a:hover .bur-lb,.bur-ticks a:focus-visible .bur-lb,.bur-ticks li.cur .bur-lb{opacity:1;transform:translate(0,-50%)}
.bur-ticks li.cur a::before{left:12px;width:14px;background:#34f59a;box-shadow:0 0 6px #34f59a}
.bur-ticks li.cur .bur-n,.bur-ticks li.past .bur-n{color:#34f59a}
.bur-cock{position:relative;margin-top:5px;width:22px;height:7px;border-radius:3px;background:linear-gradient(180deg,#eef3f9,#a3b0c2)}
.bur-cock i{position:absolute;left:50%;top:50%;width:4px;height:13px;margin:-6.5px 0 0 -2px;border-radius:2px;background:#213a7d;transition:transform .3s}
.bur.flow .bur-cock i{transform:rotate(90deg)}
.bur-tip{position:relative;width:3px;height:10px;border-radius:0 0 2px 2px;background:rgba(225,242,255,.7)}
.bur-drop{position:absolute;left:50%;top:9px;width:5px;height:6px;margin-left:-2.5px;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;background:#34f59a;opacity:0}
.bur.flow .bur-drop{animation:burD .5s ease-in infinite}
@keyframes burD{0%{opacity:1;transform:translateY(0) scale(.6)}100%{opacity:0;transform:translateY(16px) scale(1)}}
@media (max-width:820px){
  .bur{--H:min(22vh,170px);right:4px;padding:6px 4px 5px 9px;border-radius:10px;background:rgba(8,18,44,.5);border-color:rgba(170,215,255,.18);box-shadow:none;transform:translateY(-50%);opacity:.86}
  .bur-read,.bur-lb,.bur-n{display:none}
  .bur-body{width:6px}.bur-tube{border-radius:3px 3px 1px 1px}.bur-glare{display:none}
  .bur-men{height:3px;top:-1px;box-shadow:0 0 5px #34f59a}
  .bur-ticks a{left:-10px;top:-7px;width:16px;height:14px}
  .bur-ticks a::before{left:2px;top:6.5px;width:5px;height:1px}
  .bur-ticks li.cur a::before{left:0;width:8px;height:1.5px}
  .bur-cock{width:14px;height:5px;margin-top:3px}.bur-cock i{width:3px;height:9px;margin:-4.5px 0 0 -1.5px}
  .bur-tip{width:2px;height:6px}.bur-drop{width:4px;height:5px;margin-left:-2px;top:5px}
}
@media (prefers-reduced-motion:reduce){.bur.flow .bur-drop{animation:none}.bur-liq{transition:none}}
@media print{.bur{display:none}}
@media (min-width:821px){.cine-hud{right:84px}.cine-sim{right:84px}.cine-corners{right:84px}}