:root{color-scheme:light;--ink:#243440;--muted:#65727d;--blue:#467ea8;--pale:#f3f8fc;--line:#dfe6eb;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}img{display:block;max-width:100%}.wrap{max-width:1080px;margin:auto;padding:0 30px}.skip{position:absolute;left:20px;top:-100px;padding:10px;background:#fff;z-index:10}.skip:focus{top:10px}header{border-bottom:1px solid var(--line)}
.nav{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:9px;font-size:21px;letter-spacing:-.6px;font-weight:700}.brand img{width:32px;height:32px}.nav-right{display:flex;align-items:center;gap:24px}.nav-guide,.nav-download{font-size:13px}.nav-download{color:var(--blue);font-weight:600}.languages{display:flex;gap:2px;align-items:center;font-size:12px}.languages a{padding:5px 8px;color:var(--muted)}.languages a[aria-current]{color:var(--ink);font-weight:650;border-bottom:2px solid var(--blue)}
.hero{display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:82px;padding-top:76px;padding-bottom:76px}.eyebrow{font-size:13px;font-weight:600;color:var(--blue)}.hero h1{font-size:clamp(34px,4vw,48px);line-height:1.22;letter-spacing:-1.7px;font-weight:700;margin:18px 0 23px;text-wrap:balance}html[lang="zh-CN"] .hero h1{font-size:clamp(32px,3.5vw,44px);text-wrap:wrap}.hero p{font-size:16px;color:var(--muted);max-width:520px;margin:0 0 22px}.hero p.billing-note{font-size:12px;line-height:1.6;margin-top:-6px;margin-bottom:25px}.actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:8px;font-size:14px;font-weight:600;transition:background .16s ease;border:1px solid var(--line)}.button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.button:hover{background:var(--pale)}.button.primary:hover{background:#386b90}.platforms{display:flex;align-items:center;gap:9px;margin-top:21px;color:var(--muted);font-size:11px;flex-wrap:wrap}.platforms span{width:3px;height:3px;background:#a1b1bf;border-radius:50%}
.release-panel{border-left:1px solid var(--line);padding-left:38px}.release-brand{display:flex;gap:13px;align-items:center}.release-brand strong{font-size:21px;font-weight:650}.release-brand span{display:block;font-size:13px;color:var(--muted)}.release-panel ul{padding:0;list-style:none;margin:24px 0}.release-panel li{font-size:14px;padding:4px 0}.release-panel li::before{content:"✓";color:var(--blue);margin-right:10px}.hero .release-panel p{font-size:13px;margin:7px 0}.hero .release-panel .release-version{margin-top:28px;font-variant-numeric:tabular-nums}.signature{color:var(--blue)}.hero .release-panel .signature{color:var(--blue);font-size:12px}.hero .release-panel .companion{font-size:12px;margin-top:16px}
.section{padding-top:48px;padding-bottom:54px;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:32px;margin-bottom:22px}.section-head h2,.section-head h1{font-size:25px;letter-spacing:-.6px;line-height:1.3;margin:0;font-weight:650}.section-head p{font-size:14px;margin:0;color:var(--muted);max-width:440px}.features{display:grid;grid-template-columns:1fr 1fr;gap:0 60px}.feature{display:grid;grid-template-columns:26px 1fr;align-items:start;gap:12px;padding:23px 0;border-top:1px solid var(--line)}.icon{width:21px;height:21px;flex-shrink:0;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}.feature .icon{color:var(--blue);margin-top:3px}.feature h3{margin:0 0 6px;font-size:16px;font-weight:600}.feature p{font-size:14px;color:var(--muted);margin:0}.setup{background:#fafbfc}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.step-number{font-size:12px;font-variant-numeric:tabular-nums;color:var(--muted)}.step h3{font-size:17px;margin:8px 0;font-weight:600}.step p{font-size:14px;color:var(--muted);margin:0}.text-link{display:inline-block;color:var(--blue);font-size:14px;text-decoration:underline;text-underline-offset:4px}.setup .text-link{margin-top:26px}
.faq-list{max-width:850px}.faq-list details{border-top:1px solid var(--line);padding:17px 0}.faq-list summary{font-weight:600;font-size:15px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";font-weight:400;color:var(--muted)}.faq-list details[open] summary::after{content:"−"}.faq-list p{font-size:14px;color:var(--muted);margin:12px 32px 0 0}.guide-callout{padding:28px 0 46px;display:flex;justify-content:space-between;align-items:center;gap:28px}.guide-callout h2{font-size:20px;font-weight:600;margin:0 0 5px}.guide-callout p{margin:0;font-size:14px;color:var(--muted)}footer{border-top:1px solid var(--line)}.footer-inner{display:flex;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px;font-size:12px;color:var(--muted)}.footer-links{display:flex;gap:20px}.footer-links a:hover{text-decoration:underline}
.download-page{max-width:850px;padding-top:56px;padding-bottom:64px}.download-page h1{font-size:36px;letter-spacing:-1.2px;line-height:1.3;margin:15px 0 18px}.download-page .lead{font-size:17px;color:var(--muted)}.download-page p{font-size:14px;color:var(--muted)}.download-page p.signature{color:var(--blue)}.release-info{display:flex;gap:45px;padding:20px 0;margin:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.release-info dt{font-size:12px;color:var(--muted)}.release-info dd{margin:4px 0 0;font-size:15px;font-variant-numeric:tabular-nums}.download-page .companion{font-size:12px;margin-top:16px}.download-page h2{font-size:22px;font-weight:600;margin:38px 0 13px}.install-steps{padding-left:22px;font-size:14px}.install-steps li{padding:7px 0 7px 3px}.checksum{display:block;font-size:12px;overflow-wrap:anywhere;word-break:break-all;padding:15px;background:var(--pale);border:1px solid var(--line)}
@media(max-width:850px){.hero{gap:36px}.release-panel{padding-left:24px}.hero h1{font-size:38px}.nav-right{gap:16px}.features{gap:0 32px}.section-head{display:block}.section-head p{margin-top:10px}.steps{gap:24px}}
@media(max-width:640px){.wrap{padding-left:22px;padding-right:22px}.nav{min-height:72px;gap:12px}.brand{font-size:19px;gap:7px}.brand img{width:27px;height:27px}.nav-guide,.nav-download{display:none}.nav-right{gap:0}.languages{gap:0;font-size:11px}.languages a{padding:5px 6px}.hero{grid-template-columns:1fr;gap:35px;padding-top:42px;padding-bottom:42px}.hero h1{font-size:38px;letter-spacing:-1.3px}html[lang="zh-CN"] .hero h1{font-size:34px}.release-panel{border-left:0;border-top:1px solid var(--line);padding:26px 0 0}.hero .release-panel .release-version{margin-top:18px}.release-panel ul{margin:16px 0}.section{padding-top:36px;padding-bottom:36px}.section-head h2,.section-head h1{font-size:23px}.features{grid-template-columns:1fr}.steps{grid-template-columns:1fr;gap:23px}.step{display:grid;grid-template-columns:27px 1fr;gap:10px}.step-number{padding-top:3px}.step h3{margin-top:0}.guide-callout{display:block}.guide-callout .text-link{margin-top:16px}.footer-inner{flex-direction:column;gap:9px}.footer-links{gap:18px}.download-page{padding-top:38px}.download-page h1{font-size:30px}.release-info{gap:28px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.button{transition:none}}

.brand-name span{color:#2563eb}

.languages select{font:inherit;font-size:13px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:7px;min-width:110px;padding:7px 9px;cursor:pointer}.languages select:focus-visible{outline:3px solid var(--blue);outline-offset:3px}