:root{--ink:#17352c;--muted:#61726a;--green:#85bd16;--green-dark:#27683f;--orange:#f27b35;--cream:#fbf8ef;--line:#dce4da}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--cream);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit}.topbar{width:min(1120px,calc(100% - 40px));min-height:78px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-size:18px}.brand img{width:48px;height:48px;border-radius:14px}.brand b{color:var(--green-dark);margin-right:4px}.support-link{color:var(--green-dark);font-size:13px;font-weight:800;text-decoration:none}.hero{padding:86px max(20px,calc((100vw - 1120px)/2));display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center;background:linear-gradient(135deg,#e9f1d3 0%,#fbf8ef 62%,#f4d9bb 100%)}.eyebrow{margin:0 0 14px;color:var(--green-dark);font-size:12px;font-weight:900;letter-spacing:.16em}h1{max-width:760px;margin:0;font:800 clamp(48px,5.5vw,76px)/1.08 Georgia,"Songti SC",serif;letter-spacing:-.045em}.lede{max-width:670px;margin:24px 0 0;color:#4e665c;font-size:18px;line-height:1.8}.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.badges span{padding:7px 11px;color:var(--green-dark);background:rgba(255,255,255,.72);border:1px solid #abc0ae;border-radius:999px;font-size:12px;font-weight:800}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.button{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;text-decoration:none;font-size:14px;font-weight:900}.primary{color:white;background:var(--green-dark)}.primary:before{content:"↓";margin-right:8px;font-size:18px}.secondary{color:var(--green-dark);border:1px solid #91a899}.software-card{position:relative;padding:26px;display:grid;grid-template-columns:76px 1fr auto;gap:18px;align-items:center;color:white;background:#224f3b;border-radius:24px 7px;box-shadow:16px 16px 0 #d4e6a7}.software-card:before{content:"";position:absolute;inset:10px;border:1px dashed rgba(255,255,255,.2);border-radius:16px 4px}.software-card>*{position:relative}.software-icon{width:76px;height:76px;padding:8px;background:white;border-radius:18px}.software-icon img{width:100%;height:100%;object-fit:cover;border-radius:10px}.software-card small,.software-card strong,.software-card span{display:block}.software-card small{color:#bcd0c3}.software-card strong{margin:7px 0;font:800 24px Georgia,serif}.software-card span{color:#d4e1d9;font-size:12px}.software-card>i{color:#e3f4ab;font:normal 700 32px Georgia,serif}.content{width:min(1120px,calc(100% - 40px));margin:auto;padding:76px 0 90px}.section-title h2,.panel h2{margin:0;font:800 clamp(30px,4vw,46px)/1.2 Georgia,"Songti SC",serif}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.steps article,.panel{padding:25px;background:white;border:1px solid var(--line);border-radius:16px}.steps span{color:var(--green-dark);font:800 12px monospace}.steps h3{margin:32px 0 8px}.steps p,.panel p,.panel li{color:var(--muted);line-height:1.75;font-size:13px}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.panel h2{margin-bottom:18px;font-size:26px}.panel dl{margin:0}.panel dl>div{display:grid;grid-template-columns:100px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}.panel dt{color:var(--muted);font-size:12px}.panel dd{margin:0;font-weight:800;overflow-wrap:anywhere}.panel ul{margin:0;padding-left:18px}.panel a{color:var(--green-dark);font-weight:800}.tip{margin-top:16px;padding:10px;color:#7b5638!important;background:#fff1e2;border-left:3px solid var(--orange)}.checksum{margin-top:18px;padding:22px 25px;display:flex;align-items:center;gap:24px;color:white;background:var(--ink);border-radius:14px}.checksum>div{min-width:0;flex:1}.checksum small,.checksum code{display:block}.checksum small{color:#b6cabf;margin-bottom:9px}.checksum code{color:#d9edb2;overflow-wrap:anywhere;font-size:12px;line-height:1.6}.checksum a{flex:0 0 auto;padding:10px 14px;color:var(--ink);background:#e7f1c7;border-radius:999px;text-decoration:none;font-size:12px;font-weight:900}footer{padding:36px max(20px,calc((100vw - 1120px)/2));display:flex;justify-content:space-between;gap:30px;color:white;background:#16382b}footer div{display:flex;flex-wrap:wrap;gap:10px 20px}footer span,footer a{color:#a9bdb1;font-size:11px;text-decoration:none}@media(max-width:760px){.hero{grid-template-columns:1fr;padding-top:58px;gap:48px}.software-card{grid-template-columns:62px 1fr auto}.software-icon{width:62px;height:62px}.steps,.info-grid{grid-template-columns:1fr}h1{font-size:44px}.content{padding-top:58px}.checksum,footer{align-items:flex-start;flex-direction:column}.actions .button{width:100%}.panel dl>div{grid-template-columns:1fr}.topbar{min-height:68px}.brand img{width:42px;height:42px}}