*{box-sizing:border-box} :root{--paper:#faf7f2;--white:#fffefd;--ink:#292822;--muted:#79776e;--line:#e8e1d7;--clay:#b75d3d;--dark:#8e442d;--soft:#f9ede5;--green:#3f745c}
html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.7}body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(ellipse at 85% 15%,#edddcc70,transparent 50%)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #b75d3d66;outline-offset:4px}a{text-decoration:none;color:inherit}[hidden]{display:none!important}h1,h2,h3,p{margin:0}.shell{width:min(1100px,calc(100% - 48px));margin:0 auto}
.site-header{background:#fffefde8;backdrop-filter:blur(16px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{min-height:78px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px}.brand span{display:grid}.brand b{font-size:13px;letter-spacing:.14em}.brand i{font-style:normal;font-weight:450;color:var(--muted);margin-left:4px}.brand small{font-size:10px;color:var(--muted)}nav{display:flex;gap:26px;margin-left:auto}nav a{font-size:12px;color:#655c52}nav a:hover{color:var(--clay)}.language-button{background:var(--white);border:1px solid var(--line);border-radius:9px;padding:8px 12px;font-size:11px;font-weight:700}
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:90px;align-items:center;padding:60px 0 50px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:.16em;color:var(--clay)}.hero .eyebrow{display:flex;gap:9px;align-items:center}.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 4px #b75d3d12}.hero h1{margin:21px 0;font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(40px,4.5vw,59px);font-weight:500;letter-spacing:-.04em;line-height:1.2}.hero-copy>p{max-width:490px;font-size:14px;line-height:1.95;color:var(--muted)}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:23px;margin-top:29px}.primary-button,.download-button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:46px;padding:11px 21px;border-radius:10px;background:var(--clay);color:#fff;font-size:12px;font-weight:650;transition:background .15s,transform .15s}.primary-button:hover,.download-button:hover{background:var(--dark);transform:translateY(-1px)}.text-link{font-size:11px;color:#786b5c}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.hero-tags span{padding:3px 10px;border:1px solid var(--line);border-radius:6px;font-size:10px;color:#746a5e;background:#ffffff70}
.workflow-card{padding:27px 30px;border:1px solid #e3d5c4;border-radius:22px;background:linear-gradient(135deg,#fffdf8,#f2e8da);box-shadow:0 16px 50px #63462d07}.workflow-heading{display:flex;justify-content:space-between;align-items:center}.workflow-icon{color:var(--clay);font-size:36px;line-height:1}.workflow-card h2{margin:9px 0 5px;font-size:23px;letter-spacing:-.03em;font-weight:650}.workflow-card>p{color:var(--muted);font-size:11px}.workflow-card ol{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:18px}.workflow-card li{display:flex;align-items:center;gap:15px}.workflow-card li>b{display:grid;place-items:center;width:30px;height:30px;border:1px solid #e0cdb6;border-radius:8px;color:var(--clay);font-size:10px;background:#fffdfa}.workflow-card li>div{display:grid;gap:2px}.workflow-card strong{font-size:12px}.workflow-card li span{color:#867867;font-size:10px}
.download-section{margin-top:10px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:21px}.section-heading h2{font-size:25px;font-weight:650;letter-spacing:-.03em;margin-top:5px}.system-hint,.section-aside{font-size:11px;color:var(--muted)}.system-hint{display:flex;gap:8px;align-items:center}.system-hint::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);flex:0 0 6px}.download-panel{border:1px solid var(--line);border-radius:22px;background:var(--white);overflow:hidden;box-shadow:0 10px 36px #49331e06}.download-toolbar{padding:20px 27px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px}.platform-tabs{display:flex;gap:5px;padding:4px;border:1px solid var(--line);border-radius:11px;background:#f6f2eb}.platform-tabs button{border:0;min-width:120px;padding:8px 22px;border-radius:7px;background:none;font-size:12px;font-weight:650;color:var(--muted)}.platform-tabs button[aria-selected=true]{background:var(--white);color:var(--dark);box-shadow:0 2px 8px #4830170a}.source-badge{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--green)}.source-badge i{width:6px;height:6px;border-radius:50%;background:var(--green)}.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px;padding:25px 27px 20px}.download-card{padding:24px;border:1px solid var(--line);border-radius:15px;background:#fffefd;min-width:0}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.os-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:10px;background:var(--soft);color:var(--clay);font-size:23px}.architecture{font-size:10px;letter-spacing:.05em;color:#897b6a;border:1px solid var(--line);border-radius:6px;padding:3px 9px}.download-card h3{font-size:21px;letter-spacing:-.03em;margin-bottom:8px}.card-description{font-size:12px;color:var(--muted);min-height:43px;max-width:340px}.release-meta{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin:18px 0;color:#9c8d7a;font-size:10px}.release-version{font-family:"SFMono-Regular",Consolas,monospace;color:#776553}.release-type{padding:2px 7px;border-radius:4px;background:#f5f0e8}.download-button{width:100%;justify-content:space-between;min-height:46px}.download-button b{font-weight:500;font-size:19px}.platform-note{margin:0 27px 23px;display:flex;align-items:flex-start;gap:10px;padding:11px 14px;border-radius:9px;background:#f7f3ed;color:#8a7764;font-size:10px}.platform-note>span{width:17px;height:17px;display:grid;place-items:center;flex:0 0 17px;color:var(--clay);font-size:12px}.warning{background:#faf0e5;border:1px solid #ead7bf}.warning>span{border:1px solid #d9b997;border-radius:50%;font-weight:750;font-size:10px}.download-footer{display:flex;gap:16px;justify-content:space-between;align-items:center;padding:14px 27px;border-top:1px solid var(--line);font-size:10px;color:#a09282}.text-button{background:none;border:0;padding:3px 0;font-size:10px;font-weight:650;color:var(--dark);white-space:nowrap}.text-button:hover{text-decoration:underline}.activation-note{display:flex;align-items:baseline;gap:16px;margin:20px 2px;color:var(--muted);font-size:11px}.note-label{flex:0 0 auto;border:1px solid #dfd3c3;border-radius:5px;padding:3px 8px;color:#776554;font-size:10px}
.guide-section{padding:39px 0 24px}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.guide-grid article{padding:21px 22px;border:1px solid var(--line);border-radius:14px;background:#f6f0e7}.guide-grid article>span{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--clay)}.guide-grid h3{margin:13px 0 8px;font-size:14px}.guide-grid p{font-size:11px;color:#8a7e6c;line-height:1.9}.faq-section{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:27px;padding:26px 0 43px}.faq-section details{border-top:1px solid #e0d5c6;padding-top:15px}.faq-section summary{cursor:pointer;font-size:11px;font-weight:650;color:#716352}.faq-section p{font-size:11px;color:var(--muted);margin-top:13px;line-height:1.9}footer{border-top:1px solid var(--line);padding:23px 0 30px;display:flex;justify-content:space-between;gap:20px;color:#a29788;font-size:10px}footer>span{letter-spacing:.12em;font-weight:650}footer>a{white-space:nowrap}footer>a:hover{color:var(--clay)}
@media(max-width:900px){.hero{gap:38px}.hero h1{font-size:46px}.workflow-card{padding:24px}.download-card{padding:20px}.guide-grid,.faq-section{gap:16px}}
@media(max-width:700px){.shell{width:calc(100% - 32px)}.header-inner{gap:20px;min-height:72px}.brand b{font-size:11px}.brand small{font-size:9px}nav{gap:17px}nav a{font-size:11px}.hero{grid-template-columns:1fr;gap:29px;padding:38px 0}.hero h1{font-size:43px}.hero-copy>p{font-size:13px;max-width:550px}.workflow-card ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 15px}.workflow-card li{gap:10px;align-items:flex-start}.workflow-card li>b{flex:0 0 27px;width:27px;height:27px}.section-heading{align-items:flex-start;flex-direction:column;gap:10px}.section-heading h2{font-size:23px}.download-toolbar{padding:16px 19px}.download-grid{padding:19px;gap:14px}.download-card{padding:20px 18px}.platform-tabs button{min-width:98px;padding:8px 15px}.source-badge{font-size:9px}.platform-note{margin:0 19px 18px}.download-footer{padding:13px 19px}.guide-grid{grid-template-columns:1fr;gap:13px}.guide-grid article{padding:18px 21px}.guide-grid h3{display:inline-block;margin:0 0 7px 12px}.faq-section{grid-template-columns:1fr;gap:20px;padding-top:20px}.activation-note{gap:10px;align-items:flex-start}.note-label{margin-top:1px}footer{flex-wrap:wrap;gap:7px}footer>span{width:100%}}
@media(max-width:480px){.header-inner{gap:11px}.brand img{width:32px;height:32px}.brand{gap:8px}nav{gap:13px}.language-button{padding:7px 9px}.hero h1{font-size:40px}.hero-actions{gap:18px}.hero-tags{margin-top:20px}.workflow-card{padding:22px}.workflow-card h2{font-size:21px}.download-toolbar{flex-wrap:wrap;gap:12px}.platform-tabs{flex:1}.platform-tabs button{flex:1;min-width:0}.source-badge{width:100%;justify-content:flex-end}.download-grid{grid-template-columns:1fr}.download-card h3{font-size:21px}.card-description{min-height:0}.card-top{margin-bottom:15px}.release-meta{margin:15px 0}.download-panel{border-radius:17px}.download-footer{align-items:flex-start}.download-footer p{font-size:9px}.section-aside{font-size:10px}.activation-note p{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
/* Keep the language control on one line and give mobile navigation its own row. */
.language-button{flex-shrink:0;white-space:nowrap}
@media(max-width:480px){.header-inner{flex-wrap:wrap;gap:8px;padding:12px 0 10px}.language-button{margin-left:auto}.header-inner nav{order:3;width:100%;margin:0;justify-content:flex-start;gap:24px;padding-top:4px}.header-inner nav a{white-space:nowrap}}