:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#293e2c;background:#f7f9f3;--muted:#64715e;--line:#dfe7d8;--green:#355338;color-scheme:light;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0}a{color:inherit}a:focus-visible,summary:focus-visible{outline:3px solid #708b60;outline-offset:5px;border-radius:4px}.wrap{width:min(1120px,calc(100% - 80px));margin-inline:auto}.skip-link{position:fixed;top:10px;left:10px;transform:translateY(-200%);background:#fff;padding:12px;z-index:5}.skip-link:focus{transform:none}
.site-header{display:flex;align-items:center;justify-content:space-between;min-height:106px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:22px;letter-spacing:-.5px;font-weight:650}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:2.6px;color:var(--muted);margin-top:3px}.site-header nav{display:flex;gap:30px}.site-header nav a{font-size:13px;color:var(--muted);text-decoration:none;padding:12px 0}.site-header nav a:hover,.site-footer a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(350px,420px);align-items:center;gap:70px;padding:66px 0 70px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:2.5px;color:#65775a;margin:0 0 23px}.hero h1{font-size:clamp(36px,4.1vw,50px);font-weight:600;letter-spacing:-1.7px;line-height:1.4;margin:0 0 23px}.lead{font-size:16px;line-height:1.9;color:var(--muted);margin:0 0 30px}.features{list-style:none;margin:0;padding:0;display:grid;gap:15px;font-size:14px}.features li{display:flex;align-items:center;gap:12px}.features span{display:inline-flex;align-items:center;justify-content:center;width:21px;height:21px;border-radius:50%;background:#e6efdd;color:#50743e;font-size:12px;font-weight:700}.license-note{font-size:12px;line-height:1.8;color:var(--muted);margin:27px 0 0}
.download-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:31px;box-shadow:0 14px 45px #3f5b2910}.platform-icon{width:48px;height:48px;background:#edf3e7;border:1px solid #e3ebd9;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--green);margin-bottom:22px}.platform-icon svg{width:24px;height:24px}.release-label{display:flex;gap:9px;align-items:center;font-size:11px;color:var(--muted);margin-bottom:12px}.release-label span{background:#edf4e7;color:#49693d;border-radius:4px;padding:4px 7px;font-weight:600}.download-card h2{font-size:25px;letter-spacing:-.6px;font-weight:600;margin:0 0 11px}.platform-note{font-size:12px;color:var(--muted);margin:0 0 25px}.download-button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:49px;padding:13px 12px;background:var(--green);border:1px solid var(--green);color:#fff;text-decoration:none;border-radius:7px;font-size:14px;font-weight:600;transition:background .15s}.download-button:hover{background:#486a45;border-color:#486a45}.download-button svg{height:18px;width:18px}.download-hint{font-size:11px;text-align:center;color:var(--muted);margin:13px 0 24px;line-height:1.6}.release-details{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:0;padding:19px 0;border-block:1px solid #ebefe6}.release-details dt{font-size:11px;color:var(--muted);margin-bottom:7px}.release-details dd{font-size:13px;font-weight:550;margin:0}.release-update{padding:19px 0 0}.release-update strong{font-size:12px;font-weight:600}.release-update p{font-size:12px;line-height:1.9;color:var(--muted);margin:8px 0 0}.checksum{margin-top:18px;font-size:11px;color:var(--muted)}summary{cursor:pointer;line-height:1.6}.checksum p{line-height:1.8;margin:12px 0 9px}.checksum code{display:block;font-size:10px;overflow-wrap:anywhere;line-height:1.9;background:#f6f8f2;padding:10px;border-radius:5px}.checksum a{display:inline-block;margin-top:11px;text-underline-offset:3px}
.getting-started{border-top:1px solid var(--line);padding:43px 0 49px}.section-heading .eyebrow{margin-bottom:12px}.section-heading h2{font-size:24px;font-weight:550;letter-spacing:-.5px;margin:0}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:43px;list-style:none;padding:0;margin:30px 0 0}.step-number{font-size:12px;color:#7a8c6d;letter-spacing:1px;display:block;margin-bottom:12px}.steps h3{font-size:15px;font-weight:600;margin:0 0 10px}.steps p{font-size:12px;color:var(--muted);line-height:1.9;margin:0}.steps code{font-size:11px;overflow-wrap:anywhere}
.questions{border-top:1px solid var(--line);padding:42px 0 60px;display:grid;grid-template-columns:1fr 1.3fr;gap:70px}.questions .section-heading h2{font-size:22px;line-height:1.6}.question-list details{border-bottom:1px solid var(--line);padding:0 0 16px;margin-bottom:16px}.question-list summary{font-size:13px;font-weight:550}.question-list p{font-size:12px;line-height:1.9;color:var(--muted);margin:13px 0 0}.site-footer{display:flex;justify-content:space-between;gap:20px;padding:22px 0 30px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.site-footer a{text-decoration:none}
@media(max-width:950px){.wrap{width:calc(100% - 48px)}.hero{gap:30px;grid-template-columns:1fr 360px}.hero h1{font-size:38px}.download-card{padding:25px}.questions{gap:35px}.steps{gap:25px}.desktop-break{display:none}}
@media(max-width:720px){.wrap{width:calc(100% - 40px)}.site-header{min-height:86px}.brand{font-size:19px;gap:9px}.brand img{width:34px;height:34px}.site-header nav{gap:17px}.site-header nav a{font-size:11px}.hero{grid-template-columns:1fr;gap:28px;padding:35px 0 38px}.hero h1{font-size:36px;letter-spacing:-1px;margin-bottom:17px}.hero .eyebrow{margin-bottom:16px}.lead{font-size:14px;margin-bottom:21px}.features{font-size:13px;gap:12px}.license-note{margin-top:20px;font-size:11px}.download-card{padding:25px}.platform-icon{float:right;width:44px;height:44px;margin:0}.download-card h2{font-size:24px}.release-label{margin-top:2px}.platform-note{font-size:11px;margin-bottom:21px}.download-button{min-height:51px}.section-heading h2{font-size:23px}.getting-started{padding:32px 0 37px}.steps{grid-template-columns:1fr;gap:23px;margin-top:26px}.steps li{padding-left:42px;position:relative}.step-number{position:absolute;left:0;top:2px}.steps p{max-width:440px}.questions{grid-template-columns:1fr;gap:25px;padding:32px 0 30px}.question-list summary{font-size:13px}.site-footer{font-size:10px;padding-bottom:24px}}
@media(max-width:370px){.wrap{width:calc(100% - 32px)}.site-header nav{gap:10px}.brand{font-size:17px}.brand img{width:30px;height:30px}.hero h1{font-size:32px}.download-card{padding:21px}.download-button{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}