:root{--bg:#f5f7fb;--panel:#fff;--ink:#1f2430;--muted:#697386;--line:#dde4ee;--brand:#214d9a;--brand2:#0b7a75;--code:#202737;--soft:#eef4ff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.72 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Microsoft YaHei",sans-serif}a{text-decoration:none;color:inherit}a:hover{color:var(--brand)}.wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}
.devtop{background:var(--code);color:#dbe7ff;font-size:13px}.devtop .wrap{display:flex;justify-content:space-between;padding:8px 0}.hero{background:#fff;border-bottom:1px solid var(--line)}.hero-inner{display:grid;grid-template-columns:1fr 460px;gap:28px;align-items:center;padding:28px 0}.brand-title{font-size:32px;font-weight:800;color:var(--brand);display:block}.brand-sub{color:var(--muted)}.search{display:flex;border:1px solid var(--line);border-radius:7px;overflow:hidden}.search input{flex:1;border:0;min-width:0;padding:11px 12px;font:inherit}.search button{border:0;background:var(--brand);color:#fff;padding:0 18px}.nav{background:var(--brand);color:#fff}.nav ul{display:flex;flex-wrap:wrap;margin:0;padding:0;list-style:none}.nav a{display:block;padding:12px 15px;font-weight:600}.nav a:hover{background:rgba(255,255,255,.15);color:#fff}
.guide{display:grid;grid-template-columns:300px 1fr;gap:22px;padding:24px 0}.toolbox{background:var(--code);color:#fff;border-radius:10px;padding:20px}.toolbox h1{font-size:26px;line-height:1.35;margin:0 0 12px}.toolbox p{color:#cbd5e8;margin:0 0 18px}.steps{counter-reset:s;display:grid;gap:10px}.step{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:7px;padding:12px}.step:before{counter-increment:s;content:"0" counter(s);display:block;color:#80d8d1;font-weight:800}.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.entry{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;min-height:104px}.entry strong{display:block;color:var(--brand);margin-bottom:6px}.entry span{color:var(--muted);font-size:13px}.main{display:grid;grid-template-columns:minmax(0,1fr)300px;gap:22px;padding-bottom:34px}.feed,.side,.post{background:var(--panel);border:1px solid var(--line);border-radius:8px}.title{margin:0;padding:13px 16px;border-bottom:1px solid var(--line);font-size:18px}.tutorial{padding:16px;border-bottom:1px solid var(--line)}.tutorial:last-child{border-bottom:0}.tutorial h2{margin:0 0 8px;font-size:20px}.tutorial p{margin:0 0 8px;color:var(--muted)}.meta{font-size:13px;color:var(--muted)}.side{margin-bottom:16px}.side h3{margin:0;padding:12px 14px;border-bottom:1px solid var(--line);color:var(--brand)}.side ul{margin:0;padding:10px 14px 13px 28px}.post{padding:24px}.crumb{font-size:13px;color:var(--muted);margin-bottom:12px}.post h1{font-size:30px;line-height:1.35;margin:0 0 10px}.content{margin-top:22px}.content p{margin:0 0 16px}.content pre{background:var(--code);color:#f1f5ff;padding:14px;border-radius:7px;overflow:auto}.postnav,.related{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.pagebar{text-align:center;margin:18px}.foot{background:var(--code);color:#dbe7ff;padding:24px 0;font-size:14px}.foot a{color:#fff}
@media(max-width:900px){.hero-inner,.guide,.main{grid-template-columns:1fr}.entry-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.wrap{width:min(100% - 20px,1180px)}.entry-grid{grid-template-columns:1fr}.brand-title{font-size:25px}.post{padding:18px}.post h1{font-size:24px}}