:root{color-scheme:dark;--bg:#080a0b;--surface:#111617;--line:#2c3535;--text:#eee7da;--muted:#a1aaa6;--mint:#69d8b5;font-family:"Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;min-width:320px;line-height:1.75;font-size:16px}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:5px}.shell{width:min(1180px,calc(100% - 56px));margin:auto}.download-header{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.download-brand{display:flex;align-items:center;gap:12px}.download-brand img{width:64px;height:48px;object-fit:contain}.download-brand span{font-family:"Noto Serif SC","Songti SC",serif;font-size:28px;font-weight:600;white-space:nowrap}.download-header nav,.download-footer nav{display:flex;gap:24px;align-items:center}.download-header nav a{display:flex;gap:7px;align-items:center;min-height:44px}.download-header [aria-current]{color:var(--mint)}.download-main{padding:46px 0 56px}.eyebrow{color:var(--mint);font-size:14px;letter-spacing:.12em;margin:0 0 10px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(28px,4vw,42px);line-height:1.35;margin-bottom:14px;font-family:"Noto Serif SC","Songti SC",serif}.download-intro>p:last-of-type{color:var(--muted);max-width:720px}.platform-jump{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.platform-jump a{display:flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid var(--line);border-radius:24px;min-height:44px}.platform-jump a:hover{border-color:var(--mint)}.download-platforms{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.platform-card{border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#151c1d,#0e1213);padding:28px;min-width:0}.android-card{border-top:3px solid var(--mint)}.ios-card{border-top:3px solid #8496dc}.platform-heading{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:26px}.platform-icon{width:58px;height:58px;display:grid;place-items:center;border:1px solid #36564b;border-radius:16px;color:var(--mint);background:#192b26}.ios-card .platform-icon{color:#b4c1f4;border-color:#3c4560;background:#202737}.platform-heading h2{font-size:23px;line-height:1.4;margin-bottom:3px}.platform-heading p{font-size:14px;color:var(--muted);margin:0}.platform-badge{margin-left:auto;padding:3px 10px;font-size:14px;border:1px solid #476256;border-radius:20px;color:var(--mint)}.download-button{min-height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:600;padding:10px 18px;text-align:center}.primary{background:var(--mint);color:#081710;border:1px solid var(--mint)}.secondary{background:#171d20;border:1px solid #526269;color:var(--text)}.download-button:hover{filter:brightness(1.12)}.release-meta{font-size:14px;color:var(--muted);text-align:center;margin:14px 0 24px}.platform-card h3{font-size:17px;margin-bottom:14px}.install-steps{list-style:none;counter-reset:install;padding:0;margin:0;display:grid;gap:18px}.install-steps li{counter-increment:install;position:relative;padding-left:36px}.install-steps li:before{content:counter(install);position:absolute;left:0;top:0;border:1px solid #40554e;border-radius:50%;width:25px;height:25px;display:grid;place-items:center;color:var(--mint);font-size:14px}.install-steps strong,.install-steps span{display:block}.install-steps span{font-size:14px;color:var(--muted);line-height:1.85;margin-top:3px}.platform-note{display:flex;align-items:flex-start;gap:8px;border-top:1px solid var(--line);padding-top:20px;margin:24px 0 0;color:var(--muted);font-size:14px}.platform-note svg{flex-shrink:0;margin-top:3px;color:var(--mint)}.help-link{display:inline-flex;align-items:center;gap:5px;color:#b4c1f4;font-size:14px;min-height:44px;margin-top:10px}.download-details{font-size:14px;margin-top:16px}.download-details p{color:var(--muted);margin:12px 0}.download-details code{display:block;overflow-wrap:anywhere;background:#080c0d;padding:10px;border-radius:8px;font-size:13px}summary{cursor:pointer;min-height:44px;padding:8px 0}.download-faq{margin-top:42px}.download-faq h2{font-size:24px}.download-faq>div{border-top:1px solid var(--line)}.download-faq details{border-bottom:1px solid var(--line);padding:7px 0}.download-faq p{color:var(--muted);margin:4px 0 14px;max-width:850px}.download-footer{padding:24px 0 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:14px}.download-footer a{display:inline-flex;align-items:center;min-height:44px}.availability{color:var(--muted)}
@media(max-width:760px){.shell{width:calc(100% - 32px)}.download-header{min-height:76px;gap:12px;flex-wrap:wrap;padding:12px 0}.download-brand span{font-size:23px}.download-brand img{width:46px;height:36px}.download-header nav{gap:16px;font-size:14px}.download-main{padding-top:30px}.download-platforms{grid-template-columns:1fr}.platform-card{padding:22px}.platform-heading h2{font-size:21px}.download-footer nav{gap:16px;flex-wrap:wrap}.download-footer{padding-bottom:calc(24px + env(safe-area-inset-bottom))}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}