:root{color-scheme:light;--bg:#fff;--text:#202124;--muted:#5f6368;--primary:#7437cf;--primary-hover:#6025b8;--soft:#f3edf9;--line:#e8e7ec;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-synthesis:none;color:var(--text);background:var(--bg);line-height:1.6;scrollbar-color:#cdc7d6 #fff}
*{box-sizing:border-box}body{margin:0;min-height:100svh;display:flex;flex-direction:column}button,select{font:inherit}a{color:inherit;text-decoration:none}a,button,select{-webkit-tap-highlight-color:transparent;touch-action:manipulation}::selection{background:#e1cff7;color:#32114f}:focus-visible{outline:3px solid var(--primary);outline-offset:5px}[hidden]{display:none!important}
.header{height:86px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding-inline:40px;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:600;letter-spacing:-.025em}.brand img{object-fit:contain;flex-shrink:0}.language-control{display:flex;align-items:center;gap:7px;color:var(--muted)}select{border:0;background:var(--bg);color:var(--muted);font-size:14px;padding:10px;min-height:44px;max-width:180px;cursor:pointer}
main{flex:1}.hero{max-width:1000px;padding:42px 28px 66px;margin-inline:auto;text-align:center}.hero-logo{display:block;width:128px;height:128px;object-fit:contain;margin:0 auto 18px}h1{font-size:clamp(44px,5.5vw,76px);line-height:1.14;letter-spacing:-.035em;font-weight:650;margin:0 auto 28px;max-width:900px;text-wrap:balance}h1 span{display:block}h1 .highlight{color:var(--primary)}.intro{font-size:18px;line-height:1.8;max-width:660px;margin:0 auto 30px;color:var(--muted);text-wrap:pretty}.downloads{display:flex;align-items:stretch;justify-content:center;gap:14px;flex-wrap:wrap;margin:0 auto 18px}.download-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:14px 28px;border:1px solid #d7d1df;border-radius:30px;font-size:16px;font-weight:600;line-height:1.45;color:var(--primary);background:#fff;min-width:218px;max-width:100%;transition:background-color .2s,color .2s,box-shadow .2s}.download-button svg{flex-shrink:0}.download-button.recommended{color:#fff;background:var(--primary);border-color:var(--primary)}.download-button:hover{background:var(--soft)}.download-button.recommended:hover{background:var(--primary-hover);box-shadow:0 3px 8px #4026631a}.download-button[aria-disabled=true]{color:#747078;background:#f6f5f7;border-color:#eceaef;cursor:not-allowed;box-shadow:none}
.features{width:min(1000px,calc(100% - 64px));margin:0 auto 44px;padding:30px 24px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:#f7f5fa;border-radius:24px;gap:20px}.features>div{display:flex;align-items:center;justify-content:center;gap:13px;color:var(--primary)}.features h2{font-size:17px;line-height:1.5;font-weight:550;letter-spacing:0;margin:0;color:#49424f;overflow-wrap:anywhere}.features svg{flex-shrink:0}footer{padding:24px 40px;background:#f8f9fa;color:#737078;font-size:13px}.language-gate{margin:auto;max-width:800px;padding:40px 24px;display:flex;flex-wrap:wrap;gap:12px}.language-gate button{padding:12px 18px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);cursor:pointer}
@media(min-width:1500px){.hero{padding-top:64px;padding-bottom:80px}}
@media(max-width:680px){.header{height:72px;padding-inline:20px;gap:10px}.brand{font-size:18px;gap:5px}.brand img{width:44px;height:44px}.language-control{gap:2px}.language-control select{font-size:13px;max-width:112px;padding-inline:5px}.hero{padding:30px 22px 40px}.hero-logo{width:105px;height:105px;margin-bottom:18px}h1{font-size:clamp(32px,9.3vw,46px);line-height:1.2;letter-spacing:-.03em;margin-bottom:20px}.intro{font-size:16px;line-height:1.8;margin-bottom:26px;max-width:440px}.downloads{gap:12px;max-width:360px;margin-bottom:10px}.download-button{min-width:0;width:100%;max-width:280px;font-size:15px;padding:14px 20px}.features{width:calc(100% - 40px);padding:24px 12px;margin-bottom:28px;gap:10px;border-radius:18px}.features>div{flex-direction:column;gap:10px;text-align:center}.features h2{font-size:13px}.features svg{width:24px;height:24px}footer{padding:20px;font-size:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}