:root{
  --text:#182230;--muted:#667085;--line:#e4e7ec;--paper:#fbfcfe;--wash:#f5f7fa;
  --accent:#2457d6;--accent-text:#fff;--display:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --body:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif
}
body{background:var(--paper);color:var(--text)}
.net-topline{display:flex;justify-content:space-between;padding:7px max(22px,calc((100vw - 1080px)/2));background:#f1f4f9;color:#667085;font-size:11px;letter-spacing:.06em}
.net-masthead{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:28px;max-width:1080px;margin:auto;padding:25px 22px 18px}
.net-wordmark{display:flex;align-items:baseline;gap:12px}.net-wordmark small{font-size:9px;letter-spacing:.16em;color:var(--accent)}.net-wordmark b{font-size:25px;line-height:1.2;letter-spacing:-.03em}
.net-edition{display:flex;gap:8px;font-size:11px;color:var(--muted)}.net-download{padding:9px 15px;border-radius:6px;background:var(--text);color:#fff;font-size:12px;font-weight:650}.net-masthead .menu-button{display:none}
.net-nav{display:flex;gap:30px;max-width:1080px;margin:auto;padding:13px 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px}
.net-nav a[aria-current=page]{color:var(--accent);font-weight:700}
.net-main{max-width:1080px;margin:auto;padding:0 22px 90px}
.net-cover{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(230px,.55fr);gap:70px;padding:82px 0 68px}
.net-cover-story{max-width:720px}.net-cover h1{max-width:690px;margin:0 0 25px;font-size:clamp(45px,5.5vw,66px);font-weight:720;line-height:1.08;letter-spacing:-.045em}.net-cover .lede{max-width:650px;font-size:18px;line-height:1.75}.net-cover .actions{margin-top:30px;align-items:center}.net-cover .button{border-radius:6px}.net-cover .text-link{margin-left:10px;font-size:13px;color:var(--accent)}
.net-reading-list{align-self:center;padding:24px;border:1px solid var(--line);border-radius:10px;background:#fff}.net-reading-list>p{margin-bottom:14px;font-size:11px;font-weight:750;color:var(--accent)}.net-reading-list ol{margin:0;padding-left:20px}.net-reading-list li{padding:8px 0;color:var(--muted);font-size:13px}.net-reading-list a:hover{color:var(--accent)}
.net-briefs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.net-briefs article{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:25px;border:1px solid var(--line);border-radius:10px;background:#fff}.net-briefs b{color:var(--accent);font-size:11px}.net-briefs h2{margin-bottom:9px;font-size:19px}.net-briefs p{margin:0;color:var(--muted);font-size:13px}
.net-feature{display:grid;grid-template-columns:1fr .75fr;gap:72px;margin-top:70px;padding:66px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.net-feature h2{font-size:clamp(34px,4vw,50px)}.net-feature>div>p:last-child{max-width:610px;color:var(--muted);font-size:17px}.net-feature blockquote{align-self:center;margin:0;padding:26px;border-left:3px solid var(--accent);background:var(--wash);color:#475467;font-size:17px;line-height:1.75}
.net-directory{max-width:850px;margin:58px auto 0}.net-directory a{display:grid;grid-template-columns:70px 1.15fr 1fr;gap:22px;align-items:center;padding:19px 4px;border-bottom:1px solid var(--line)}.net-directory a:hover strong{color:var(--accent)}.net-directory span{font-size:10px;color:var(--accent)}.net-directory strong{font-size:19px}.net-directory small{color:var(--muted)}
.net-article-head{max-width:860px;margin:auto;padding:80px 0 58px;border-bottom:1px solid var(--line)}.net-head-rule{display:none}.net-article-head h1{font-size:clamp(42px,5vw,62px)}.net-article-head .lede{font-size:18px}.net-main>.article-section,.net-main>.faq-list,.net-main>.notice-board,.net-main>.note,.net-main>.source-box{max-width:780px;margin-left:auto;margin-right:auto}.net-main>.article-section{padding:58px 0}.net-main>.article-section h2{font-size:31px}.net-main .feature-list{grid-template-columns:1fr;gap:12px}.net-main .feature-list article{padding:24px;border:1px solid var(--line);border-top:1px solid var(--line);border-radius:8px;background:#fff}.net-main .process-list li{grid-template-columns:52px 210px 1fr}.net-main>.note,.net-main>.source-box{padding:28px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;background:var(--wash)}.net-main>.link-grid{max-width:860px;margin-left:auto;margin-right:auto;background:var(--line)}
.net-footer{max-width:1080px;margin:auto;padding:38px 22px 25px;border-top:1px solid var(--line)}.net-footer-title{display:grid;grid-template-columns:1fr 1fr;gap:40px}.net-footer-title b{font-size:24px}.net-footer-title p{color:var(--muted)}.net-footer-index{display:flex;flex-wrap:wrap;gap:20px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px}.net-footer>p{margin:18px 0 0;color:var(--muted);font-size:11px}
@media(max-width:820px){.net-topline span:last-child,.net-edition,.net-download{display:none}.net-masthead{grid-template-columns:1fr auto}.net-wordmark{display:grid;gap:2px}.net-masthead .menu-button{display:block}.net-nav{display:none;margin:0 16px;border:1px solid var(--line);border-radius:8px}.net-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:0}.net-nav a{padding:10px}.net-cover{grid-template-columns:1fr;gap:35px;padding:58px 0}.net-reading-list{align-self:auto}.net-briefs{grid-template-columns:1fr}.net-feature{grid-template-columns:1fr;gap:28px}.net-directory a{grid-template-columns:55px 1fr}.net-directory small{grid-column:2}.net-footer-title{grid-template-columns:1fr}}
@media(max-width:520px){.net-main{padding:0 17px 65px}.net-masthead{padding-left:17px;padding-right:17px}.net-wordmark b{font-size:23px}.net-cover h1{font-size:42px}.net-feature{padding:50px 0}.net-directory a{grid-template-columns:1fr}.net-directory small{grid-column:1}.net-main .process-list li{grid-template-columns:36px 1fr}.net-footer{padding-left:17px;padding-right:17px}}