:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#17375c;background:#fff;font-synthesis:none;scroll-behavior:smooth;font-size:16px}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #85b4ff;outline-offset:5px}h1,h2,h3,p{margin:0}.container{width:min(1280px,calc(100% - 96px));margin:auto}.site-header{border-bottom:1px solid #e3edfa}.header-inner{height:94px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:27px;font-weight:750;letter-spacing:.3px}nav{display:flex;gap:44px;height:100%;align-items:center}nav a{position:relative;font-size:16px;font-weight:550}nav .active{color:#276ae2}nav .active:after{content:"";position:absolute;bottom:-22px;left:0;right:0;height:2px;background:#276ae2}.hero{display:grid;grid-template-columns:1.04fr 1fr;gap:64px;padding:46px 0 60px;align-items:center;scroll-margin-top:22px}.hero-copy h1{font-size:clamp(42px,4.6vw,66px);line-height:1.55;font-weight:750;letter-spacing:-1.4px;white-space:nowrap}.hero-copy h1 span{color:#2c70e8}.intro{font-size:22px;line-height:1.8;color:#536984;margin-top:26px}.availability{font-size:15px;line-height:1.7;color:#7e8fa7;margin-top:24px;max-width:470px}.download-panel{border:1px solid #d4e3f8;border-radius:16px;padding:28px 32px 22px;box-shadow:0 3px 10px #eaf0fa22}.download-panel h2{font-size:24px;font-weight:650;margin-bottom:16px}.platform{display:grid;grid-template-columns:1fr auto;gap:20px 16px;padding:26px 0;border-bottom:1px solid #e5edf7;align-items:start}.platform-title{display:flex;gap:16px;align-items:center}.platform-title svg{width:38px;height:38px;flex-shrink:0;fill:none;stroke:#547aa7;stroke-width:1.7;stroke-linejoin:round}.platform h3{font-size:23px;font-weight:600;line-height:1.5}.platform p{font-size:14px;color:#73859d;line-height:1.7}.download-action{display:flex;flex-direction:column;align-items:center;gap:10px;padding-top:2px}.download-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:153px;padding:10px 16px;border-radius:8px;background:#276ee4;color:white;font-size:15px;font-weight:600}.download-button:hover:not([aria-disabled=true]){background:#1d58bd}.download-button[aria-disabled=true]{background:#e4edfa;color:#718cba;cursor:not-allowed}.release-version{font-size:12px;color:#8394aa}.notes-link{color:#2d6edb;background:none;border:0;padding:22px 0 0;font-size:14px}.notes-link span{margin-left:6px}.release-detail{grid-column:1/-1;font-size:13px}.release-detail summary{color:#667e9c;cursor:pointer}.release-detail code{display:block;word-break:break-all;font-size:11px;line-height:1.7;margin:6px 0;color:#526784}.copy-checksum{border:1px solid #d5e1f3;background:#f8faff;border-radius:6px;padding:5px 9px;color:#2d64ab;font-size:12px}.copy-status{margin-left:8px;font-size:12px}.install{border-top:1px solid #dfe9f6;padding:39px 0 35px;scroll-margin-top:25px}.install h2{font-size:32px;font-weight:650;letter-spacing:.3px}.steps{list-style:none;padding:30px 0 0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:55px}.step-number{color:#3072e5;font-size:26px;font-weight:550;letter-spacing:1px}.steps h3{font-size:19px;margin-top:10px;font-weight:600}.steps p{margin-top:10px;color:#74869d;font-size:15px;line-height:1.8}.install-help{margin-top:30px;color:#6c809b;font-size:13px}.install-help summary{cursor:pointer;width:fit-content}.install-help>div{max-width:900px;margin-top:16px;line-height:1.9}.install-help p+p{margin-top:8px}footer{border-top:1px solid #e2eaf6;display:flex;justify-content:space-between;gap:20px;padding:22px 0 26px;font-size:12px;color:#8a9bb0}dialog{border:1px solid #d4e3f8;border-radius:18px;color:inherit;padding:26px;width:min(580px,calc(100% - 32px));max-height:80vh;box-shadow:0 20px 80px #17375c26}dialog::backdrop{background:#17375c55}dialog header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}dialog h2{font-size:22px}dialog header button{border:0;background:#f0f5fc;color:#496c98;font-size:24px;border-radius:8px;width:34px;height:34px}#release-notes{white-space:pre-wrap;line-height:1.85;font-size:14px}#release-notes h3{font-size:16px;margin:14px 0 7px}.dialog-note{font-size:12px;color:#7b8ca4;line-height:1.8;margin-top:25px}[hidden]{display:none!important}
@media(min-width:1450px){.hero{padding-top:55px;padding-bottom:65px}.download-panel{padding:30px 34px 24px}.platform{padding:30px 0}.install{padding-top:42px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero{gap:32px;grid-template-columns:1fr 1.15fr}.hero-copy h1{font-size:43px}.intro{font-size:18px}.download-panel{padding:24px}.platform{gap:14px}.platform-title{gap:10px}.platform h3{font-size:20px}.download-button{min-width:136px;font-size:14px}.platform p{font-size:12px}.steps{gap:25px}}
@media(max-width:800px){.container{width:calc(100% - 40px)}.header-inner{height:78px}.brand{font-size:22px}nav{gap:20px}nav a{font-size:13px}nav .active:after{bottom:-22px}.hero{grid-template-columns:1fr;padding:36px 0 38px;gap:30px}.hero-copy h1{font-size:42px;line-height:1.5}.intro{margin-top:18px;font-size:18px}.desktop-break{display:none}.availability{margin-top:14px}.download-panel{max-width:580px;width:100%;padding:24px}.download-panel h2{font-size:22px}.platform h3{font-size:22px}.platform p{font-size:13px}.download-button{min-width:145px}.install{padding-top:28px}.install h2{font-size:25px}.steps{grid-template-columns:1fr;gap:25px;padding-top:27px}.steps li{display:grid;grid-template-columns:48px 1fr;column-gap:12px}.step-number{grid-row:1/3}.steps h3{margin:0}.steps p{margin-top:5px;font-size:14px}footer{font-size:11px;flex-wrap:wrap;gap:8px}}
@media(max-width:400px){.brand{font-size:20px}nav{gap:13px}nav a{font-size:12px}.hero-copy h1{font-size:36px}.download-panel{padding:20px}.platform-title svg{width:28px;height:28px}.platform h3{font-size:19px}.platform p{font-size:11px}.download-button{min-width:124px;font-size:12px;padding:10px}.platform{gap:10px}.install h2{font-size:23px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}