:root{--bg:#0d0f12;--bg2:#14171c;--bg3:#1b1f26;--line:#2a2f38;--tx:#e8eaed;--mut:#9aa3ad;--acc:#ff7a1a;--acc2:#ff9a4d;--ok:#3ccf8e;--bad:#ff6b5b;--disp:'Space Grotesk',system-ui,sans-serif;--sans:'IBM Plex Sans',system-ui,-apple-system,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;--mb:0px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}html.lock{overflow:hidden}
body{background:var(--bg);color:var(--tx);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:calc(var(--mb) + env(safe-area-inset-bottom))}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--disp);font-weight:600;line-height:1.08;letter-spacing:-.02em}h2{font-size:clamp(30px,4.2vw,50px)}.mono{font-family:var(--mono);font-size:.92em}
.tag-l{font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--acc)}.tag-l:before{content:'// '}
.head{text-align:center;margin-bottom:30px}.head h2{margin-top:10px}.sub{color:var(--mut);max-width:560px;margin:12px auto 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 26px;border-radius:6px;background:var(--acc);color:#111;font:600 15px var(--disp);white-space:nowrap;transition:background .2s,transform .12s}.btn:hover{background:var(--acc2)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5}.btn.ghost{background:transparent;color:var(--tx);box-shadow:inset 0 0 0 1.5px #4a515c}.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--tx)}.btn.sm{min-height:44px;padding:0 18px;font-size:14px}.btn.wide{width:100%}.btn small{font:400 12px var(--mono);opacity:.75}
.b-line,.b-rfq{min-height:44px;padding:0 14px;border-radius:6px;font:600 14px var(--disp);display:inline-flex;align-items:center;justify-content:center;transition:.2s}.b-line{box-shadow:inset 0 0 0 1.5px var(--line);color:var(--tx)}.b-line:hover{box-shadow:inset 0 0 0 1.5px var(--mut)}.b-line:disabled{opacity:.45;cursor:not-allowed}
.b-rfq{background:var(--bg3);color:var(--acc);box-shadow:inset 0 0 0 1.5px rgba(255,122,26,.45)}.b-rfq.in{background:rgba(60,207,142,.12);color:var(--ok);box-shadow:inset 0 0 0 1.5px rgba(60,207,142,.5)}.big{min-height:50px;padding:0 20px}
/* guide strip */
.guide{display:flex;align-items:center;gap:10px;padding:6px 5vw;background:#1d1610;border-bottom:1px solid #3a2a1c;font-family:'PingFang SC','Noto Sans SC','Microsoft YaHei',var(--sans)}
.g-tog{display:flex;align-items:center;gap:10px;flex:1;min-width:0;min-height:44px;text-align:left;cursor:default}.g-mark{width:28px;height:28px;flex:none;border-radius:7px;background:linear-gradient(135deg,#ffb27a,#ff7a1a);color:#111;font-weight:700;font-size:14px;display:grid;place-items:center}
.g-txt{display:flex;gap:8px;align-items:baseline;min-width:0;white-space:nowrap}.g-txt b{font-size:13px;color:#fff3e6}.g-txt span{font-size:12.5px;color:#ffb27a}.g-txt span:before{content:'· ';color:#7d6a58}
.g-act{display:flex;gap:6px}.g-act a{min-height:44px;display:flex;align-items:center;padding:0 14px;border-radius:8px;font-size:13px;font-weight:600;white-space:nowrap}.g-b1{box-shadow:inset 0 0 0 1px rgba(255,178,122,.45);color:#ffe7d2}.g-b2{background:#ffb27a;color:#1a120b}
.g-x{width:44px;height:44px;color:#b39b86;font-size:22px;flex:none}.g-pill{display:none;position:fixed;left:12px;bottom:calc(var(--mb) + 12px + env(safe-area-inset-bottom));z-index:70;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#ffb27a,#ff7a1a);color:#111;font-weight:700;box-shadow:0 8px 20px rgba(0,0,0,.45)}
body.g-min .guide{display:none}body.g-min .g-pill{display:block}
/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 5vw;background:rgba(13,15,18,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.3s}.nav.solid{border-color:var(--line)}
.logo{display:flex;align-items:center;gap:8px;font:700 17px var(--disp);letter-spacing:.08em;min-height:44px}.logo i{width:14px;height:14px;background:var(--acc);clip-path:polygon(0 0,100% 0,100% 100%,40% 100%,0 60%)}.logo span{color:var(--mut);font-weight:500}
.nav nav{display:flex;gap:28px;font:500 14px var(--disp)}.nav nav a{padding:12px 0;color:var(--mut)}.nav nav a:hover{color:var(--tx)}
.nav-r{display:flex;align-items:center;gap:8px}.rfq-btn{position:relative;display:flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border-radius:6px;box-shadow:inset 0 0 0 1.5px var(--line);font:600 14px var(--disp)}
.rfq-btn b,.mb-rfq b{min-width:20px;height:20px;border-radius:10px;background:var(--bg3);color:var(--mut);font:600 11px var(--mono);display:grid;place-items:center;padding:0 5px}.rfq-btn b.has,.mb-rfq b.has{background:var(--acc);color:#111}b.bump.has{animation:bump .45s}@keyframes bump{40%{transform:scale(1.45)}}
.burger{display:none;width:44px;height:44px;position:relative}.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--tx);transition:.3s}.burger span:first-child{top:17px}.burger span:last-child{top:25px}.menu-open .burger span:first-child{top:21px;transform:rotate(45deg)}.menu-open .burger span:last-child{top:21px;transform:rotate(-45deg)}
/* hero */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:flex-end;overflow:hidden}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(1.05);animation:zoom 14s ease-out both}@keyframes zoom{from{transform:scale(1.08)}}
.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,15,18,.95) 0,rgba(13,15,18,.7) 45%,rgba(13,15,18,.15) 100%),linear-gradient(0deg,var(--bg) 0,transparent 30%)}
.hero-in{position:relative;z-index:1;padding:80px 5vw 70px;max-width:820px}.hero h1{font-size:clamp(38px,5.6vw,72px);margin:16px 0}.hero h1 span{color:var(--acc)}.lede{color:#c4cad1;font-size:18px;max-width:600px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin-top:24px}.chips li{font:500 12.5px var(--mono);color:var(--mut);padding:7px 11px;border:1px solid var(--line);border-radius:4px;background:rgba(20,23,28,.7)}
/* products */
.products{padding:80px 5vw;max-width:1400px;margin:0 auto}.tabs{display:flex;gap:6px;justify-content:center;margin-bottom:28px;overflow-x:auto;scrollbar-width:none;padding:2px}.tabs::-webkit-scrollbar{display:none}.tabs button{flex:none;min-height:44px;padding:0 18px;border-radius:6px;box-shadow:inset 0 0 0 1.5px var(--line);font:500 14px var(--disp);color:var(--mut)}.tabs .on{background:var(--tx);color:var(--bg);box-shadow:none}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--bg2);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .25s,transform .25s}.card:hover{border-color:#3d4450;transform:translateY(-2px)}.card[hidden]{display:none}
.c-open{display:block;text-align:left;width:100%}.ph{position:relative;aspect-ratio:16/11;overflow:hidden;background:#000}.ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s}.card:hover .ph img{transform:scale(1.05)}.pid{position:absolute;left:10px;top:10px;font:500 11px var(--mono);background:rgba(13,15,18,.85);color:var(--acc);padding:4px 8px;border-radius:4px}
.c-txt{padding:16px 16px 6px}.c-cat{font:500 11.5px var(--mono);color:var(--mut);text-transform:uppercase;letter-spacing:.1em}.c-txt h3{font-size:21px;margin:4px 0 12px}
dl{display:flex;gap:20px}dt{font:400 11px var(--mono);color:var(--mut);text-transform:uppercase;letter-spacing:.08em}dd{font-size:14px;font-weight:500}
.c-act{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;padding:12px 16px 16px;margin-top:auto}
/* cap */
.cap{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:80px 5vw;max-width:1400px;margin:0 auto;align-items:center}.cap-img{display:grid;gap:12px}.cap-img img{border-radius:10px;width:100%;aspect-ratio:16/9.5;object-fit:cover}.cap-img img:last-child{width:78%;margin-left:auto;margin-top:-70px;border:6px solid var(--bg)}
.cap-copy h2{margin:10px 0 22px}.caps{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px 24px}.caps li{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column}.caps b{font:600 16px var(--disp)}.caps span{font-size:14px;color:var(--mut)}.note{font-size:13px;color:var(--mut);margin-top:18px}
.flow{padding:70px 5vw;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;max-width:1300px;margin:0 auto}.steps li{padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--bg);display:flex;flex-direction:column;gap:4px}.steps i{font:500 13px var(--mono);color:var(--acc);font-style:normal}.steps b{font:600 18px var(--disp)}.steps span{font-size:14px;color:var(--mut)}
.catalog{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center;padding:80px 5vw;max-width:1100px;margin:0 auto}.cat-cover img{width:100%;max-width:340px;margin:0 auto;border-radius:6px;box-shadow:0 30px 60px -20px rgba(0,0,0,.8),0 0 0 1px var(--line);transform:rotate(-3deg);transition:transform .4s}.cat-cover:hover img{transform:rotate(0)}.cat-copy h2{margin:10px 0 14px}.cat-copy p:not(.tag-l):not(.note){color:var(--mut);margin-bottom:22px}
/* quote */
.quote{padding:80px 5vw;background:linear-gradient(180deg,var(--bg) 0,var(--bg2) 100%);border-top:1px solid var(--line)}.q-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;max-width:1200px;margin:0 auto}.q-side h2{margin:10px 0 14px}.q-side p:not(.tag-l){color:var(--mut)}
.qform{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px}.qform[hidden],.qok[hidden]{display:none}.f{display:flex;flex-direction:column;gap:6px}.full{grid-column:1/-1}.f label{font:500 13px var(--disp)}.f label small{color:var(--mut);font-weight:400}
.f input,.f select,.f textarea{width:100%;min-height:50px;border-radius:6px;border:1.5px solid var(--line);background:var(--bg2);padding:12px 14px;font-size:16px;-webkit-appearance:none;appearance:none}.f select{background-image:linear-gradient(45deg,transparent 50%,var(--mut) 50%),linear-gradient(135deg,var(--mut) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 15px) 22px;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--acc)}.f textarea{resize:vertical}.f em{font-style:normal;font-size:12.5px;color:var(--bad);min-height:0}.f.bad input,.f.bad select{border-color:var(--bad)}
.chips-in{display:flex;flex-wrap:wrap;gap:6px}.chips-in:empty{display:none}.chip{display:inline-flex;align-items:center;gap:4px;font:500 13px var(--mono);background:rgba(255,122,26,.12);color:var(--acc2);border:1px solid rgba(255,122,26,.4);border-radius:4px;padding-left:10px}.chip button{width:36px;height:36px;font-size:18px;color:var(--acc2)}
.hint{font-size:12.5px;color:var(--mut);text-align:center}.hint.l{text-align:left}.hint.pad{padding:0 18px 8px}
.qok{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:36px 24px;text-align:center}.tick{width:62px;height:62px;border-radius:50%;margin:0 auto 14px;background:rgba(60,207,142,.15);color:var(--ok);font-size:28px;display:grid;place-items:center;box-shadow:inset 0 0 0 2px var(--ok);animation:pop .5s cubic-bezier(.2,1.6,.4,1)}@keyframes pop{from{transform:scale(.3);opacity:0}}.qok h3{font-size:26px}.qok p{color:var(--mut);margin:10px auto;max-width:520px}.qok p b{color:var(--tx)}.qok .btn{margin-top:10px}
footer{padding:56px 5vw 40px;border-top:1px solid var(--line)}.f-cols{display:flex;gap:64px;margin:22px 0}.f-cols h4{font:500 11.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin-bottom:4px}.f-cols a{display:flex;align-items:center;min-height:44px;font-size:15px;color:#c4cad1}.credits,.demo{font-size:12px;color:var(--mut);margin-top:8px}.credits a{text-decoration:underline}
.mbar{display:none}
/* sheets */
.sheet{position:fixed;inset:0;z-index:90;visibility:hidden;transition:visibility 0s .4s}.sheet.open{visibility:visible;transition:none}.backdrop{position:absolute;inset:0;background:rgba(0,0,0,.65);opacity:0;transition:opacity .35s}.open .backdrop{opacity:1}
.panel{position:absolute;top:0;right:0;bottom:0;width:min(480px,100%);background:var(--bg2);border-left:1px solid var(--line);overflow-y:auto;overscroll-behavior:contain;transform:translateX(100%);transition:transform .42s cubic-bezier(.2,.8,.2,1)}.panel.wide{width:min(860px,100%)}.sheet.open .panel{transform:none}
.grab{display:none}.x{position:absolute;top:10px;right:10px;z-index:3;width:44px;height:44px;border-radius:50%;background:rgba(13,15,18,.85);font-size:24px;box-shadow:0 0 0 1px var(--line)}.x.static{position:static}
.p-top{display:grid;grid-template-columns:1fr 1fr}.p-img img{width:100%;height:100%;min-height:300px;object-fit:cover}.p-head{padding:28px 24px}.p-head h3{font-size:30px;margin:6px 0 10px}.p-sum{color:var(--mut);font-size:15px;margin-bottom:16px}.p-kv{flex-wrap:wrap;gap:16px 24px}
.p-specs{padding:8px 24px 6px}.p-specs h4{font-size:18px;margin:16px 0 10px}.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
.spec{width:100%;border-collapse:collapse;font-size:14px}.spec th,.spec td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}.spec tbody th{font:500 12.5px var(--mono);color:var(--mut);width:38%;background:rgba(255,255,255,.02)}.spec tbody tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.p-specs .hint{margin:10px 0}.p-act{display:flex;flex-wrap:wrap;gap:10px;padding:14px 24px 28px}
.r-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px 10px}.r-head h3{font-size:24px}.r-empty{padding:30px 18px;text-align:center}.r-empty p{margin-bottom:10px}.r-empty .btn{margin-top:12px}
.r-list{list-style:none;padding:0 18px}.r-list li{display:grid;grid-template-columns:auto 64px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.r-list img{width:64px;height:64px;border-radius:6px;object-fit:cover}.r-i{display:flex;flex-direction:column;gap:4px;min-width:0}.r-i b{font:600 15px var(--disp)}.r-i span{color:var(--mut);font-size:12px}.r-qty{min-height:44px;border-radius:6px;border:1.5px solid var(--line);background:var(--bg);padding:0 10px;font-size:16px;width:100%}.r-qty:focus{outline:none;border-color:var(--acc)}
.cmp{position:relative;width:44px;height:44px;display:grid;place-items:center;cursor:pointer}.cmp input{position:absolute;opacity:0;inset:0;cursor:pointer}.cmp span{width:20px;height:20px;border-radius:4px;box-shadow:inset 0 0 0 1.5px var(--mut)}.cmp input:checked+span{background:var(--acc);box-shadow:none}.cmp input:checked+span:after{content:'✓';display:grid;place-items:center;color:#111;font-size:13px;font-weight:700;height:100%}.cmp input:focus-visible+span{outline:2px solid var(--acc);outline-offset:2px}
.rm{width:44px;height:44px;font-size:22px;color:var(--mut)}.r-foot{display:flex;gap:10px;padding:16px 18px calc(18px + env(safe-area-inset-bottom));position:sticky;bottom:0;background:var(--bg2);border-top:1px solid var(--line)}.r-foot .btn{flex:1}
#cBody .tbl-wrap{margin:0 18px;border-radius:8px}.cmpt{min-width:560px}.cmpt thead th{vertical-align:bottom;font-family:var(--sans);background:var(--bg3)}.cmpt thead img{width:100%;max-width:150px;aspect-ratio:4/3;object-fit:cover;border-radius:6px;margin-bottom:8px}.cmpt thead b{display:block;font:600 15px var(--disp)}.cmpt thead span{color:var(--acc);font-size:12px}.cmpt tbody th{width:150px}
.toast{position:fixed;left:50%;top:80px;transform:translate(-50%,-16px);background:var(--tx);color:var(--bg);padding:11px 18px;border-radius:6px;font:600 14px var(--disp);opacity:0;pointer-events:none;transition:.3s;z-index:99;max-width:92vw;text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media (max-width:1024px){.grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:repeat(3,1fr)}.cap,.q-wrap{grid-template-columns:1fr}}
@media (max-width:760px){
body{--mb:72px}html{scroll-padding-top:64px}
.guide{padding:4px 4px 4px 12px;gap:4px}.g-mark{display:none}.g-txt{flex-direction:column;gap:0;line-height:1.25}.g-txt b{font-size:12px}.g-txt span{font-size:11px}.g-txt span:before{content:''}.g-act a{padding:0 10px;font-size:12.5px}.g-x{width:40px}
.nav{height:60px;padding:0 6px 0 16px}.logo{font-size:15px}.lbl-d,.hide-m{display:none}.rfq-btn{padding:0 10px}.burger{display:block}
.nav nav{position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:4px 16px 14px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.25s;font-size:17px}.nav nav a{padding:14px 0;border-bottom:1px solid var(--line);color:var(--tx)}.menu-open nav{opacity:1;visibility:visible;transform:none}
.hero{min-height:0}.hero:after{background:linear-gradient(0deg,var(--bg) 8%,rgba(13,15,18,.82) 55%,rgba(13,15,18,.45) 100%)}.hero-in{padding:120px 16px 44px}.hero h1{font-size:36px}.lede{font-size:16px}.cta .btn{flex:1 1 100%}.chips li{font-size:11.5px}
.products,.cap,.catalog,.quote{padding:56px 16px}.flow{padding:52px 16px}.tabs{justify-content:flex-start;margin:0 -16px 20px;padding:2px 16px}
.grid{grid-template-columns:1fr;gap:14px}.c-txt h3{font-size:19px}
.cap{gap:28px}.caps{grid-template-columns:1fr}.cap-img img:last-child{margin-top:-40px}
.steps{grid-template-columns:1fr;gap:10px}.steps li{flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:4px 10px}.steps span{flex-basis:100%}
.catalog{grid-template-columns:1fr;gap:28px;text-align:center}.cat-cover img{max-width:220px}.cat-copy .btn{width:100%}
.qform{grid-template-columns:1fr;padding:16px}
.mbar{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(13,15,18,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}.mbar .btn{flex:1}.mb-rfq{display:flex;align-items:center;gap:8px;min-height:50px;padding:0 16px;border-radius:6px;box-shadow:inset 0 0 0 1.5px var(--line);font:600 15px var(--disp)}
.panel,.panel.wide{top:auto;left:0;width:100%;max-height:92svh;border-left:0;border-top:1px solid var(--line);border-radius:16px 16px 0 0;transform:translateY(100%)}.grab{display:block;position:sticky;top:0;z-index:4;height:20px;margin-bottom:-20px}.grab i{display:block;width:40px;height:4px;border-radius:2px;background:rgba(255,255,255,.35);margin:8px auto 0}
.p-top{grid-template-columns:1fr}.p-img img{min-height:0;aspect-ratio:16/10}.p-head{padding:18px 16px 4px}.p-head h3{font-size:26px}.p-specs{padding:4px 16px}.spec th,.spec td{padding:10px 12px}.p-act{padding:12px 16px calc(24px + env(safe-area-inset-bottom))}.p-act>*{flex:1 1 100%}
#rSheet .panel,#cSheet .panel{height:82svh}
}
.qform>.btn{grid-column:1/-1}
@media (max-width:760px){.sheet.open .panel{transform:none}}
@media (max-width:760px){body.g-min .g-pill{left:12px;bottom:calc(11px + env(safe-area-inset-bottom));z-index:61;width:50px;height:50px;border-radius:8px;box-shadow:none}body.g-min .mbar{padding-left:70px}}