*{box-sizing:border-box}body{margin:0;color:#182535;background:#fff;font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:#1459d9}a:focus-visible,button:focus-visible{outline:3px solid #87afff} .content-header{max-width:1200px;margin:auto;padding:24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e6ebf2}.content-header img{display:block;max-width:100%}nav{display:flex;gap:26px;flex-wrap:wrap}.reading,.content-index{max-width:1160px;margin:auto;padding:36px 24px 80px}.breadcrumb,.byline{font-size:13px;color:#6a7582}.reading-head{max-width:880px;padding:30px 0}.eyebrow{color:#2062b6;font-size:13px;letter-spacing:1px}h1{font-size:clamp(28px,4vw,44px);line-height:1.4;letter-spacing:-1px;margin:16px 0 24px}.summary{font-size:18px;color:#536273;max-width:880px}.article-cover{margin:0 0 36px;max-width:880px}.article-cover img{display:block;width:100%;height:auto;border-radius:8px}figcaption{font-size:12px;color:#7d8794;margin-top:8px}.reading-layout{display:grid;grid-template-columns:minmax(0,780px) 220px;gap:64px}article h2,article h3{margin:38px 0 14px;font-size:23px}article p{margin:16px 0}article li{margin:8px 0}aside{border-left:1px solid #dce3ec;padding-left:24px}aside a{display:block;margin:20px 0;font-size:14px;line-height:1.7}.article-end{border-top:1px solid #e1e6ed;padding-top:24px;font-size:13px;color:#6b7788;margin-top:40px}.article-end a{display:block;color:#205cb5}.content-footer{border-top:1px solid #e6ebf2;text-align:center;padding:32px 20px;color:#728093;font-size:13px}.category-nav{margin:36px 0 16px;border-bottom:1px solid #dce3ec;padding:16px 0}.category-nav a{font-size:14px}.content-row{display:grid;grid-template-columns:130px 1fr 24px;gap:24px;padding:28px 0;border-bottom:1px solid #e4e9ef}.row-meta{font-size:12px;color:#7a8696}.content-row h2{font-size:21px;line-height:1.5;margin:0 0 8px}.content-row p{color:#68778a;font-size:14px;margin:0}@media(max-width:700px){.content-header{align-items:flex-start;gap:20px;flex-direction:column;padding:20px}.content-header nav{gap:16px;font-size:13px}.reading-layout{display:block}aside{border-left:0;border-top:1px solid #ddd;padding:24px 0;margin-top:32px}.reading,.content-index{padding:24px 20px 48px}.content-row{grid-template-columns:1fr;gap:8px}.content-row>span{display:none}.row-meta br{display:none}.row-meta{display:flex;gap:10px}.summary{font-size:16px}}
.ima-section{background:#f0f6f3;padding:72px 0}.ima-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:72px;align-items:center}.ima-section h2{font-size:clamp(28px,3vw,40px);line-height:1.5;margin:12px 0 20px}.ima-desc{max-width:620px;color:#51645a;line-height:1.9}.ima-actions{display:flex;gap:24px;flex-wrap:wrap;align-items:center;margin:28px 0}.ima-button{display:inline-block;background:#175f45;color:#fff;padding:13px 22px;border-radius:5px}.ima-note{font-size:12px;line-height:1.8;color:#6f7d75;max-width:640px}.ima-code{margin:0;background:#fff;padding:16px;border-radius:10px;text-align:center}.ima-code img{width:100%;height:auto;display:block}.ima-code figcaption{font-size:12px;margin:12px 0 0;color:#607267}.knowledge-intro{margin:36px 0}.knowledge-steps{margin:40px 0;max-width:800px}.knowledge-steps h2{margin-top:30px}.ima-small{width:260px;max-width:100%}@media(max-width:750px){.ima-layout{grid-template-columns:1fr;gap:28px}.ima-section{padding:40px 0}.ima-code{max-width:300px}.ima-actions{gap:16px}}

.body-image{margin:28px 0}.body-image img{display:block;max-width:100%;height:auto;border-radius:5px}.body-image figcaption{font-size:12px;color:#788496;margin-top:9px}