:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#101517;--panel:#171e20;--line:#2b3537;--text:#eff2e9;--muted:#9ca9a6;--accent:#cfec91;font-synthesis:none;background:var(--bg);color:var(--text);scroll-behavior:smooth;scroll-padding-top:30px;font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-weight:400}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a,summary{touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:color .18s,background .18s}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}a:hover{color:var(--accent)}img,svg{display:block}p{line-height:1.85}h1,h2,h3,p{margin-top:0}h1,h2{letter-spacing:-.04em;text-wrap:balance}h2{margin-bottom:0;font-size:clamp(28px,3.1vw,40px);font-weight:650;line-height:1.5}h3{font-size:21px;font-weight:600}section[id]{scroll-margin-top:40px}.wrap{width:min(1200px,100% - 80px);margin-inline:auto}.skip-link{background:var(--accent);color:var(--bg);z-index:10;padding:15px;position:absolute;top:-90px;left:20px}.skip-link:focus{top:10px}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:30px;height:108px;display:flex}.brand{letter-spacing:.06em;align-items:center;gap:13px;font-size:28px;font-weight:800;display:flex}.brand-cn{color:var(--muted);letter-spacing:.08em;margin-left:13px;font-size:14px;font-weight:400}.site-header nav{color:#bcc6c2;gap:36px;font-size:14px;display:flex}.site-header nav a{padding-block:16px}.header-action{border:1px solid #46514d;border-radius:4px;align-items:center;gap:24px;padding:13px 17px;font-size:14px;display:flex}.hero{grid-template-columns:1.07fr 1fr;align-items:center;gap:44px;padding-block:78px 74px;display:grid}.eyebrow{letter-spacing:.18em;align-items:center;gap:10px;margin-bottom:26px;font-size:11px;font-weight:600;display:flex}.status-dot{background:var(--accent);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.hero h1{margin-bottom:27px;font-size:clamp(44px,5.1vw,68px);font-weight:680;line-height:1.23}.hero h1>span{color:var(--accent)}.hero-description{color:var(--muted);margin-bottom:34px;font-size:16px;line-height:1.95}.hero-actions{align-items:center;gap:28px;display:flex}.button{border-radius:4px;justify-content:center;align-items:center;gap:34px;min-height:50px;padding:15px 23px;font-size:14px;font-weight:650;display:inline-flex}.primary{background:var(--accent);color:var(--bg)}.primary:hover{color:var(--bg);background:#e0f5b4}.text-link{align-items:center;gap:19px;min-height:44px;font-size:14px;display:inline-flex}.platforms{color:#bdc6c3;flex-wrap:wrap;align-items:center;gap:20px;margin-top:40px;font-size:11px;display:flex}.platforms>span{align-items:center;gap:7px;display:flex}.platforms .platform-note{color:var(--muted);border-left:1px solid var(--line);padding-left:19px;font-size:11px}.hero-art{background:radial-gradient(at 50% 44%,#32413c 0,#1b2523 50%,#192120 100%);border:1px solid #35403d;border-radius:7px;min-height:490px;position:relative;overflow:hidden}.art-caption{letter-spacing:.16em;color:#a7b7ad;justify-content:space-between;padding:23px 24px;font-size:9px;display:flex}.art-board{perspective:700px;height:356px;position:relative;overflow:hidden}.board-grid{transform-origin:50% 85%;background-image:linear-gradient(#85998622 1px,#0000 1px),linear-gradient(90deg,#85998622 1px,#0000 1px);background-size:56px 56px;position:absolute;inset:-40px -100px;transform:rotateX(59deg)rotate(-31deg)scale(1.2)}.hero-rook{filter:drop-shadow(0 30px 22px #050e0b88);width:285px;height:342px;position:absolute;top:-8px;left:50%;transform:translate(-50%)}.coordinate{letter-spacing:2px;color:#84928a;font-size:10px;position:absolute}.coordinate.a{bottom:40px;left:32px}.coordinate.b{bottom:170px;right:32px}.art-note{background:#1d2822dd;border:1px solid #435349;border-radius:4px;align-items:center;gap:13px;margin:0 22px 22px;padding:17px 16px;display:flex;position:relative}.note-icon{color:var(--accent);background:#cfec9117;border:1px solid #75865b;place-items:center;width:38px;height:38px;font-size:22px;font-weight:800;display:grid}.art-note strong{margin-bottom:7px;font-size:14px;font-weight:500;display:block}.art-note div>span{color:#aabaaa;letter-spacing:.06em;font-size:10px}.note-star{color:var(--accent);margin-left:auto;font-size:23px}.principles{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:25px;padding-block:25px;font-size:12px;display:flex}.principles>div{color:#c8d1c9;gap:35px;display:flex}.principles>div>span:before{content:"+";color:var(--accent);margin-right:12px}.section{padding-block:96px}.muted{color:var(--muted)}.section-heading{justify-content:space-between;align-items:end;gap:30px;margin-bottom:44px;display:flex}.section-heading .eyebrow{margin-bottom:14px}.section-heading>p{color:var(--muted);margin-bottom:7px;font-size:13px}.feature-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.feature{border:1px solid var(--line);background:var(--panel);border-radius:5px;padding:32px 30px;position:relative}.feature-number{color:#8d9d95;font-family:monospace;font-size:10px;position:absolute;top:28px;right:25px}.feature>svg{width:40px;height:40px;stroke:var(--accent);fill:none;stroke-width:1.35px;margin-bottom:30px}.feature h3{margin-bottom:15px}.feature p{color:var(--muted);margin-bottom:30px;font-size:14px}.feature-tag{border-top:1px solid var(--line);color:#b5c4bb;padding-top:18px;font-size:11px;display:block}.getting-started{background:#202b24;border:1px solid #3a4839;border-radius:6px;grid-template-columns:1fr 1fr;align-items:center;gap:65px;padding:45px 48px;display:grid}.getting-started .eyebrow{color:#bbd198;margin-bottom:15px}.getting-started h2{font-size:34px;line-height:1.4}.getting-started>div>p:last-child{color:#afbdad;margin:20px 0 0;font-size:13px}.release-panel{border-left:1px solid #485542;padding-left:44px}.release-label{color:var(--accent);align-items:center;gap:8px;margin-bottom:20px;font-size:11px;display:flex}.release-panel h3{margin-bottom:12px;font-size:18px}.release-panel p{color:#b7c3b5;margin-bottom:16px;font-size:13px}.release-panel .text-link{color:var(--accent)}.release-footnote{color:#acbaaa;margin-top:15px;font-size:10px;line-height:1.8}.steps{grid-template-columns:repeat(4,1fr);gap:30px;margin:0;padding:0;list-style:none;display:grid}.steps>li{border-top:1px solid #45533b;padding-top:25px}.steps>li>span{color:var(--accent);margin-bottom:27px;font-family:monospace;font-size:12px;display:block}.steps h3{margin-bottom:12px;font-size:17px}.steps p{color:var(--muted);margin:0;font-size:13px}.faq-section{border-top:1px solid var(--line);grid-template-columns:1fr 1.45fr;gap:80px;padding-block:70px 90px;display:grid}.faq-section .eyebrow{margin-bottom:17px}.faq-section h2{margin-bottom:15px;font-size:32px}.faq-section>div>p:last-child{font-size:13px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;justify-content:space-between;align-items:center;gap:18px;min-height:69px;padding:22px 0;font-size:14px;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{color:var(--accent);font-size:22px;font-weight:300}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details p{color:var(--muted);margin:0 0 25px;padding-right:25px;font-size:13px}.closing{border-block:1px solid var(--line);align-items:center;gap:22px;padding-block:34px;display:flex}.closing>p{letter-spacing:.02em;margin:0;font-size:25px}.closing>a{color:var(--accent);margin-left:auto}.site-footer{flex-wrap:wrap;justify-content:space-between;align-items:start;gap:30px;padding-block:48px 28px;display:flex}.footer-brand{letter-spacing:.08em;font-size:20px;font-weight:800}.footer-brand>span{color:var(--muted);margin-left:10px;font-size:12px;font-weight:400}.site-footer>div>p{color:var(--muted);margin:13px 0 0;font-size:11px}.footer-links{gap:28px;padding-top:5px;font-size:12px;display:flex}.footer-links a{align-items:center;min-height:44px;display:flex}.copyright{width:100%;color:var(--muted);border-top:1px solid var(--line);margin:0;padding-top:22px;font-size:10px}.legal-main{max-width:760px;min-height:65vh;padding-block:70px 90px}.legal-main h1{margin:15px 0 20px;font-size:40px}.legal-main h2{letter-spacing:0;margin-top:35px;margin-bottom:14px;font-size:21px}.legal-main p,.legal-main li{color:#b9c5bf;font-size:15px;line-height:1.9}.legal-main .eyebrow{color:var(--accent)}@media (width>=1440px){.hero{padding-block:94px}}@media (width<=1000px){.wrap{width:calc(100% - 48px)}.hero{gap:26px}.hero h1{font-size:49px}.hero-art{min-height:450px}.art-board{height:322px}.hero-rook{width:265px;height:320px}.hero-actions{gap:17px}.platforms{gap:15px}.platforms .platform-note{border:0;width:100%;padding:0}.feature{padding:28px 22px}.getting-started{gap:35px;padding:35px}.release-panel{padding-left:30px}.faq-section{gap:40px}}@media (width<=740px){.wrap{width:calc(100% - 36px)}.site-header{gap:16px;height:85px}.brand{gap:9px;font-size:24px}.brand img{width:26px;height:31px}.brand-cn{display:none}.site-header nav{gap:15px;font-size:12px}.header-action{display:none}.hero{grid-template-columns:1fr;gap:38px;padding-block:50px 36px}.hero h1{font-size:clamp(42px,11vw,65px)}.hero-description{font-size:14px}.eyebrow{font-size:9px}.platforms{margin-top:29px}.platforms .platform-note{border-left:1px solid var(--line);width:auto;padding-left:15px}.hero-art{min-height:440px}.art-board{height:315px}.hero-rook{width:262px;height:315px}.principles{flex-direction:column;gap:18px;padding-block:22px;font-size:11px}.principles>div{justify-content:space-between;gap:22px}.principles>div>span:before{margin-right:7px}.section{padding-block:62px}.section-heading{margin-bottom:28px;display:block}.section-heading>p{margin-top:18px}.section-heading h2{font-size:29px}.feature-grid{grid-template-columns:1fr;gap:14px}.feature{padding:26px}.feature>svg{margin-bottom:22px}.feature p{margin-bottom:20px}.getting-started{grid-template-columns:1fr;gap:28px;padding:30px 25px}.getting-started h2{font-size:29px}.release-panel{border-top:1px solid #485542;border-left:0;padding:27px 0 0}.steps{grid-template-columns:1fr 1fr;gap:28px 23px}.steps>li>span{margin-bottom:18px}.faq-section{grid-template-columns:1fr;gap:15px;padding-block:49px}.faq-section h2{font-size:29px}.faq-list summary{font-size:13px}.closing{flex-wrap:wrap;gap:14px;padding-block:27px}.closing>p{font-size:21px}.closing img{width:28px;height:34px}.closing>a{gap:10px;font-size:12px}.site-footer{gap:22px;padding-block:35px 25px}.footer-links{gap:20px}.legal-main{padding-block:45px 60px}.legal-main h1{font-size:32px}}@media (width<=380px){.platforms .platform-note{border:0;width:100%;padding:0}.hero-actions{gap:14px}.button{gap:22px;padding-inline:18px}.hero-actions .text-link{gap:10px;font-size:12px}.principles>div{gap:9px}.closing>a{margin-left:42px}.site-header nav{gap:13px}}@media (prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,:before,:after{transition:none!important}}