:root{color-scheme:light dark;--bg:#f5f6f2;--surface:#fff;--ink:#122d3b;--muted:#61717a;--line:#dce4e3;--accent:#116469;--button:#124e58;--on-button:#fff;--pill:#e9f1ee;--shadow:0 18px 70px #1234440a}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}[hidden]{display:none!important}.page{max-width:1120px;margin:auto;padding:38px 48px 24px}.masthead{display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:23px;font-weight:700;letter-spacing:.06em}.brand img{border-radius:11px}.edition{color:var(--muted);font-size:13px;letter-spacing:.04em}main{display:grid;grid-template-columns:1fr 410px;align-items:center;gap:60px;padding:85px 0 84px;min-height:650px}.eyebrow{font-size:13px;color:var(--accent);letter-spacing:.15em;display:flex;gap:10px;align-items:center}.spark{font-size:23px}h1{font-family:"Songti SC","Noto Serif CJK SC","SimSun",serif;font-size:clamp(38px,4.1vw,54px);font-weight:600;letter-spacing:.025em;line-height:1.45;margin:22px 0 20px}.lead{font-size:16px;line-height:2;color:var(--muted);margin:0}.features{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 36px}.features span{font-size:12px;padding:7px 11px;border:1px solid var(--line);border-radius:6px;letter-spacing:.04em}.platform{font-size:12px;color:var(--muted);line-height:1.6}.platform span{padding:0 5px}.release{min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:22px;padding:28px;box-shadow:var(--shadow)}.card-top{display:flex;align-items:center;gap:14px}.card-top img{border-radius:17px;flex-shrink:0}.card-top h2{margin:0 0 5px;font-size:23px;letter-spacing:.03em}.card-top p{margin:0;font-size:12px;color:var(--muted);line-height:1.5}.official{font-size:10px;color:var(--accent);background:var(--pill);padding:5px 7px;border-radius:4px;margin-left:auto;align-self:flex-start;white-space:nowrap}.rule{height:1px;background:var(--line);margin:24px 0}.release h3{font-size:16px;line-height:1.6;margin:0 0 8px}.secondary{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 18px}.metadata{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:12px;margin:18px 0 26px}.metadata div{min-width:0}.metadata dt{font-size:11px;color:var(--muted);margin-bottom:7px}.metadata dd{margin:0;font-size:13px;line-height:1.5;overflow-wrap:anywhere}.release .notes-title{font-size:13px;font-weight:600;margin-top:0}.notes{list-style:none;padding:0;margin:10px 0 24px;font-size:13px;line-height:1.8;color:var(--muted)}.notes li{padding-left:14px;position:relative;overflow-wrap:anywhere;margin:5px 0}.notes li:before{content:"";width:4px;height:4px;position:absolute;left:1px;top:10px;background:var(--accent);border-radius:50%}.actions{display:grid;gap:10px}.primary,button{display:flex;gap:10px;align-items:center;justify-content:center;min-height:50px;border:0;border-radius:10px;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;transition:background .15s,transform .15s}.primary{background:var(--button);color:var(--on-button)}.primary:hover{filter:brightness(1.12)}.primary:active,button:active{transform:translateY(1px)}button{background:var(--pill);color:var(--accent)}button:disabled{cursor:wait;opacity:.6}.install-hint{font-size:11px;line-height:1.8;color:var(--muted);text-align:center;margin:12px 0 0}.download-feedback{font-size:12px;line-height:1.7;color:var(--accent);margin:10px 0 0}.download-feedback:empty{display:none}details{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}summary{font-size:11px;color:var(--muted);cursor:pointer;padding:4px 0}.verification{margin:13px 0 0;font-size:10px;line-height:1.7;color:var(--muted)}.verification dt{margin-top:9px}.verification dd{margin:3px 0 0;overflow-wrap:anywhere;font-family:monospace}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;padding-top:22px;color:var(--muted);font-size:11px;line-height:1.8}.footer-star{padding:0 6px;color:var(--accent)}.skip{position:absolute;top:-100px;left:20px;padding:12px;background:var(--surface);z-index:10}.skip:focus{top:10px}
@media(prefers-color-scheme:dark){:root{--bg:#071521;--surface:#0d2231;--ink:#edf5f8;--muted:#a6bac8;--line:#28404e;--accent:#81ded7;--button:#87dcd5;--on-button:#062c32;--pill:#153c44;--shadow:0 18px 70px #00000020}}
@media(max-width:860px){.page{padding:28px 28px 22px;max-width:580px}main{grid-template-columns:1fr;gap:32px;padding:46px 0 40px;min-height:auto}h1{font-size:40px;margin:18px 0}.lead{font-size:14px}.lead br{display:none}.features{margin:22px 0 16px;gap:8px}.platform{margin-bottom:0}.intro{padding:0 4px}.release{padding:26px}footer{flex-wrap:wrap}}
@media(max-width:360px){.page{padding:22px 18px 20px}.edition{font-size:11px}.brand{font-size:21px;gap:8px}.brand img{width:32px;height:32px}main{padding-top:36px;gap:25px}h1{font-size:33px}.eyebrow{font-size:11px}.release{padding:20px;border-radius:18px}.card-top{gap:10px}.card-top img{width:48px;height:48px}.card-top h2{font-size:21px}.card-top p{font-size:10px}.metadata{gap:8px}.metadata dd{font-size:11px}.features span{font-size:11px;padding:6px 8px}footer{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}