:root{--page:#fcfcfb;--ink:#101216;--muted:#66707a;--line:#e6e8eb;--shell:min(1320px,calc(100vw - 96px));font-family:Inter,"HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}html{background:var(--page);scroll-behavior:smooth}body{min-width:320px;margin:0;color:var(--ink);background:var(--page);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.site-shell{width:var(--shell);margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;height:78px;border-bottom:1px solid transparent;transition:background .24s ease,border-color .24s ease,backdrop-filter .24s ease}.site-header.is-scrolled{border-color:rgba(16,18,22,.08);background:rgba(252,252,251,.86);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px)}.site-nav{display:flex;align-items:center;height:100%;gap:32px}.brand-lockup{display:inline-flex;align-items:center;gap:10px;min-width:max-content;font-size:17px;letter-spacing:-.045em}.brand-lockup img{width:30px;height:30px;object-fit:contain}.site-nav-links{display:flex;align-items:center;gap:28px;margin-left:auto;color:#363b41;font-size:14px}.site-nav-links>a,.product-menu summary{position:relative;cursor:pointer;list-style:none}.site-nav-links>a::after,.product-menu summary::after{position:absolute;right:0;bottom:-8px;left:0;height:1px;content:"";background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .18s ease}.site-nav-links>a:hover::after,.product-menu[open] summary::after{transform:scaleX(1);transform-origin:left}.product-menu{position:relative}.product-menu summary::-webkit-details-marker{display:none}.product-menu-panel{position:absolute;top:30px;left:-18px;width:242px;padding:8px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.97);box-shadow:0 18px 42px rgba(16,18,22,.1)}.product-menu-panel a{display:flex;flex-direction:column;gap:3px;padding:12px;border-radius:10px}.product-menu-panel a:hover{background:#f5f6f7}.product-menu-panel strong{font-size:13px}.product-menu-panel span{color:#78808a;font-size:11px}.menu-toggle,.mobile-nav{display:none}
.hero{min-height:calc(100svh - 78px);overflow:hidden;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:minmax(0,.91fr) minmax(510px,1.09fr);align-items:center;min-height:calc(100svh - 78px);gap:50px}.hero-copy{position:relative;z-index:2;animation:enter .72s cubic-bezier(.16,1,.3,1) both}.hero h1{max-width:690px;margin:0;font-size:clamp(59px,5.2vw,84px);font-weight:670;line-height:1.045;letter-spacing:-.078em}.hero-lead{max-width:530px;margin:27px 0 0;color:var(--muted);font-size:17px;line-height:1.75;letter-spacing:-.015em}.primary-link,.about-link{display:inline-flex;align-items:center;gap:16px;min-height:49px;padding:0 20px;color:#fff;border-radius:999px;background:#111318;font-size:14px;font-weight:700;transition:transform .18s ease,box-shadow .18s ease}.primary-link{margin-top:32px}.primary-link:hover,.about-link:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(16,18,22,.18)}.primary-link span,.product-enter span,.about-link span{font-size:18px;transition:transform .18s ease}.primary-link:hover span,.product-card:hover .product-enter span,.about-link:hover span{transform:translateX(3px)}.hero-art{position:relative;display:flex;align-self:stretch;align-items:center;justify-content:center;animation:art-in 1s .15s cubic-bezier(.16,1,.3,1) both}.hero-art::before{position:absolute;width:min(53vw,680px);aspect-ratio:1;content:"";border-radius:50%;background:radial-gradient(circle,rgba(105,153,255,.055),rgba(153,115,255,.025) 34%,transparent 68%);filter:blur(8px)}.particle-scene{position:relative;z-index:1;width:min(61vw,970px);height:min(58vw,760px);min-height:540px}.particle-scene canvas{display:block;width:100%;height:100%;touch-action:none}.spectrum-fallback{position:absolute;inset:50% auto auto 50%;display:none;width:59%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);background:conic-gradient(from 200deg,#6b52ff,#4dcbff,#75eb99,#ffe35d,#ff8d73,#d66cff,#6b52ff);-webkit-mask:radial-gradient(circle,transparent 57%,#000 58% 70%,transparent 71%);mask:radial-gradient(circle,transparent 57%,#000 58% 70%,transparent 71%);opacity:.85}.particle-scene.has-fallback .spectrum-fallback{display:block}
.brand-section{position:relative;display:flex;min-height:100svh;overflow:hidden;background:#111419;color:#fff}.brand-grid{position:relative;display:grid;grid-template-columns:1.15fr .72fr .55fr;align-items:center;gap:45px}.brand-section h2{margin:0;font-size:clamp(45px,5.1vw,76px);font-weight:640;line-height:1.05;letter-spacing:-.075em}.brand-copy{max-width:360px;color:#bac2cc;font-size:16px;line-height:1.75}.brand-copy p{margin:0 0 18px}.brand-copy p:last-child{margin:0}.brand-dust{width:100%;height:230px;align-self:center}.brand-dust canvas{display:block;width:100%;height:100%}
.product-section{display:flex;align-items:center;min-height:100svh;padding:108px 0;background:#f5f6f7}.section-bar{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:35px}.section-bar h2{margin:0;font-size:clamp(38px,3.8vw,56px);line-height:1.12;letter-spacing:-.065em}.section-bar>p{max-width:280px;margin:0;color:#737b84;font-size:14px;line-height:1.6}.product-grid{display:grid;grid-template-columns:1.82fr 1fr 1fr;gap:16px}.product-card{position:relative;display:flex;flex-direction:column;min-height:422px;padding:27px;overflow:hidden;border:1px solid #dfe2e6;border-radius:20px;background:#fff;box-shadow:0 6px 20px rgba(15,18,22,.025);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}.product-card:hover{z-index:1;border-color:#cfd5dc;box-shadow:0 20px 37px rgba(15,18,22,.09);transform:translateY(-5px)}.product-card-primary{background:linear-gradient(145deg,#fff 0%,#f8f6ff 100%)}.product-card-top{display:flex;align-items:center;justify-content:space-between;min-height:22px}.product-state{padding:5px 8px;border-radius:999px;color:#5a45c2;background:#eeeaff;font-size:11px;font-weight:720}.ohcraft-card-visual{position:absolute;top:40px;right:24px;display:grid;width:165px;height:165px;place-items:center;opacity:.95}.ohcraft-card-visual::before{position:absolute;inset:5%;content:"";border:1px solid rgba(111,89,222,.15);border-radius:50%;box-shadow:0 0 45px rgba(116,93,231,.1)}.ohcraft-card-visual img{position:relative;width:74px;height:74px;object-fit:contain}.product-card-primary h3{margin-top:100px}.product-card h3{margin:36px 0 0;font-size:27px;line-height:1.08;letter-spacing:-.065em}.product-card-primary strong{display:block;margin-top:10px;color:#6b617f;font-size:12px;letter-spacing:.02em}.product-card p{max-width:380px;margin:14px 0 0;color:var(--muted);font-size:14px;line-height:1.7}.product-enter{display:inline-flex;align-items:center;gap:9px;margin-top:auto;padding-top:26px;font-size:13px;font-weight:720}.product-symbol{display:flex;width:58px;height:58px;align-items:center;justify-content:center;margin-top:27px}.ohqc-symbol{position:relative;font-size:23px;font-weight:780;letter-spacing:-.08em}.ohqc-symbol::after{position:absolute;right:1px;bottom:5px;width:26px;height:4px;content:"";border-radius:5px;background:linear-gradient(90deg,#88e879,#44bdfa,#714be7)}.factory-symbol{width:39px;height:39px;margin:37px 0 9px;border:7px solid #ffbd29;border-right-color:#af55e8;border-bottom-color:#477ef3;border-left-color:#27cfc1}
.about-section{display:flex;align-items:center;min-height:100svh;padding:110px 0;background:#fcfcfb}.about-grid{display:grid;grid-template-columns:.82fr 1fr;align-items:center;gap:80px}.about-grid h2{max-width:510px;margin:0;font-size:clamp(42px,4.3vw,64px);line-height:1.1;letter-spacing:-.07em}.about-copy{max-width:570px}.about-copy>p:first-child{margin:0;color:var(--muted);font-size:16px;line-height:1.82}.about-statement{margin:29px 0;color:#1c2026;font-size:19px;font-weight:680;letter-spacing:-.045em}.about-link{margin-top:5px}.site-footer{padding:54px 0 34px;color:#aeb6c0;background:#11141a}.site-footer .brand-lockup{color:#fff}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,.75fr);gap:30px}.footer-intro{max-width:330px;margin:16px 0 0;color:#8f99a6;font-size:13px;line-height:1.7}.footer-title{margin:5px 0 15px;color:#fff;font-size:13px;font-weight:720}.footer-links{display:grid;gap:10px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);color:#77818d;font-size:12px}
@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes art-in{from{opacity:0;transform:scale(.965)}to{opacity:1;transform:scale(1)}}
@media(max-width:1100px){:root{--shell:min(100% - 80px,1320px)}.hero-grid{grid-template-columns:minmax(0,.94fr) minmax(420px,1.06fr);gap:15px}.particle-scene{width:min(60vw,820px);height:min(56vw,670px);min-height:460px}.product-card-primary h3{margin-top:104px}.ohcraft-card-visual{right:18px}.brand-grid{grid-template-columns:1fr .85fr}.brand-dust{display:none}.about-grid{gap:52px}.site-nav-links{gap:19px}}
@media(max-width:800px){:root{--shell:calc(100% - 40px)}.site-header{height:68px}.site-nav-links{display:none}.menu-toggle{display:block;margin-left:auto;padding:8px 0;border:0;background:transparent;color:var(--ink)}.mobile-nav{position:fixed;inset:68px 0 auto;z-index:19;display:grid;padding:12px 20px 20px;border-bottom:1px solid var(--line);background:rgba(252,252,251,.98);box-shadow:0 18px 30px rgba(15,18,22,.06);transform:translateY(-130%);transition:transform .22s ease}.mobile-nav.is-open{transform:translateY(0)}.mobile-nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr;min-height:auto;padding-top:53px}.hero-copy{padding-top:20px}.hero h1{font-size:clamp(47px,11.8vw,64px);line-height:1.07}.hero-lead{font-size:16px}.hero-art{order:2}.particle-scene{width:min(100%,660px);height:420px;min-height:0;margin-top:6px}.brand-section,.product-section,.about-section{min-height:auto}.brand-section{padding:100px 0}.brand-grid{grid-template-columns:1fr;gap:30px}.brand-section h2{font-size:clamp(44px,11.3vw,64px)}.product-section{padding:82px 0}.section-bar{flex-direction:column;align-items:start;gap:14px}.product-grid{grid-template-columns:1fr;gap:14px}.product-card{min-height:290px}.product-card-primary{min-height:350px}.about-section{padding:92px 0}.about-grid{grid-template-columns:1fr;gap:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:34px 20px}.footer-grid>:first-child{grid-column:1/-1}.footer-bottom{flex-wrap:wrap;margin-top:36px}}
@media(max-width:480px){:root{--shell:calc(100% - 32px)}.brand-lockup{font-size:16px}.hero h1{letter-spacing:-.085em}.hero-lead{line-height:1.7}.particle-scene{height:365px}.product-card{padding:24px}.ohcraft-card-visual{width:145px;height:145px}.about-grid h2{font-size:37px}.footer-grid{grid-template-columns:1fr}.footer-grid>:first-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:1ms!important;transition-duration:1ms!important}}

@media(min-width:801px){.site-header{height:72px}.site-nav{gap:28px}.brand-lockup{gap:8px;font-size:16px}.brand-lockup img{width:26px;height:26px}.site-nav-links{gap:24px}.hero,.hero-grid{min-height:calc(100svh - 72px)}}