:root{--paper:#f7f6f0;--ink:#183e3b;--muted:#506762;--line:#cbd4cc;--sand:#ece1c9;--orange:#97431f;color-scheme:light}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif;font-size:17px;line-height:1.8}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--orange)}a:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}::selection{background:var(--sand)}.shell{max-width:1376px;margin:auto;padding:0 clamp(20px,5vw,72px)}header{border-bottom:1px solid var(--ink);justify-content:space-between;align-items:center;gap:24px;min-height:115px;display:flex}.brand{letter-spacing:-1.5px;font-family:Georgia,serif;font-size:35px;font-weight:700;line-height:1.2;text-decoration:none}.brand span{letter-spacing:1.5px;font:10px/2.4 Arial,sans-serif;display:block}nav{gap:25px;display:flex}nav a,.language{align-items:center;min-height:44px;font-size:14px;text-decoration:none;display:inline-flex}.language{border-bottom:1px solid var(--ink);white-space:nowrap}.skip{background:var(--ink);color:#fff;padding:10px;position:absolute;top:-80px}.skip:focus{z-index:10;top:0}h1,h2,h3{text-wrap:balance;font-family:Georgia,Songti SC,Noto Serif CJK SC,serif;font-weight:400;line-height:1.2}h1{letter-spacing:-1.5px;margin:18px 0 28px;font-size:clamp(40px,5.3vw,74px)}h2{margin:0 0 25px;font-size:clamp(28px,3vw,42px)}h3{margin:0 0 14px;font-size:25px}.eyebrow{letter-spacing:2px;text-transform:uppercase;color:var(--orange);font:12px/1.6 Arial,sans-serif}.hero{grid-template-columns:1.5fr 1fr;gap:8%;padding:65px 0 60px;display:grid}.hero .dek{max-width:36em;color:var(--muted);font-size:19px}.button{background:var(--ink);min-height:48px;color:var(--paper);align-items:center;margin-top:15px;padding:10px 21px;font-size:15px;text-decoration:none;display:inline-flex}.button:hover{background:var(--orange);color:#fff}.dispatch{background:var(--ink);color:var(--paper);align-self:center;padding:30px 32px;position:relative}.dispatch .eyebrow{color:#e7c990}.dispatch h2{font-size:32px}.dispatch ol{padding-left:22px}.dispatch li{border-bottom:1px solid #64807a;padding:12px 0}.dispatch a:hover{color:#e7c990}.dispatch small{color:#d8e3d9;margin-top:25px;line-height:1.7;display:block}.section-head{border-top:1px solid var(--ink);justify-content:space-between;align-items:baseline;gap:20px;padding-top:30px;display:flex}.guide-list{grid-template-columns:1fr 1fr;column-gap:55px;margin-bottom:60px;display:grid}.guide-card{border-bottom:1px solid var(--line);grid-template-columns:40px 1fr;gap:15px;padding:26px 0;display:grid}.guide-card .number{color:var(--orange);font-family:Georgia,serif;font-size:22px}.guide-card h3 a{text-decoration:none}.guide-card p{color:var(--muted);margin:0;font-size:15px}.guide-card .tag{letter-spacing:1px;color:var(--orange);margin-bottom:10px;font-size:11px}.editor-note{background:var(--sand);grid-template-columns:1fr 2fr;gap:50px;margin:45px 0 65px;padding:36px;display:grid}.editor-note p{margin:0}.page-head{max-width:940px;padding:45px 0 30px}.page-head .dek{color:var(--muted);font-size:20px}.crumb{color:var(--muted);font-size:13px}.article-layout{grid-template-columns:240px minmax(0,740px);align-items:start;gap:65px;margin:30px 0 70px;display:grid}.toc{border-top:1px solid var(--ink);padding-top:16px;font-size:14px;position:sticky;top:25px}.toc ol{padding-left:22px}.toc a{padding:7px 0;text-decoration:none;display:inline-block}.article{min-width:0}.article p{margin:0 0 23px;line-height:1.95}.article h2{margin:42px 0 22px;scroll-margin-top:25px;font-size:31px}.article h2:first-child{margin-top:0}.answer{background:var(--sand);margin-bottom:30px;padding:26px 30px;font-size:18px}.meta{letter-spacing:.3px;color:var(--muted);font-size:12px}.sources{border-top:1px solid var(--line);margin-top:40px;padding-top:10px;font-size:14px}.sources a{overflow-wrap:anywhere}.sources li{padding:9px 0}.checklist{background:#e7ece3;padding:25px 28px}.checklist li{margin:12px 0}.topic{border-bottom:1px solid var(--line);grid-template-columns:1fr 1.5fr;gap:50px;padding:30px 0 35px;display:grid}.topic a{padding:10px 0;display:block}.prose{max-width:780px;margin:0 auto 70px}.prose h2{margin-top:40px;font-size:30px}footer{border-top:1px solid var(--ink);color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:25px;padding:35px 0 45px;font-size:12px;display:flex}footer .brand{color:var(--ink)}footer p{line-height:1.8}footer a{align-items:center;min-height:44px;display:flex}.related{border-top:1px solid var(--line);margin-top:40px;padding-top:25px}.related a{padding:10px 0;display:block}.issue{color:var(--muted);font-size:13px}@media (width<=850px){header{flex-wrap:wrap;gap:16px;padding:20px 0}header nav{order:3;justify-content:space-between;gap:8px;width:100%}.hero{grid-template-columns:1fr;gap:30px;padding:38px 0}.dispatch{max-width:none}.hero h1{max-width:15em}.article-layout{grid-template-columns:1fr;gap:25px}.toc{position:static}.toc ol{columns:2}.editor-note{grid-template-columns:1fr;gap:20px}.guide-list{column-gap:25px}.topic{gap:25px}.page-head{padding-top:30px}}@media (width<=560px){body{font-size:16px}.guide-list{grid-template-columns:1fr}.hero h1,h1{font-size:42px}.brand{font-size:30px}.hero .dek{font-size:17px}nav a{font-size:12px}.section-head{flex-direction:column;align-items:start;gap:0}.section-head h2{margin-bottom:8px}.dispatch,.editor-note{padding:25px}.topic{grid-template-columns:1fr;gap:10px}.toc ol{columns:1}.answer{padding:22px}.article h2{font-size:27px}footer{flex-direction:column;align-items:start}}@media print{header,footer,.toc,.related,.skip{display:none}.article-layout{display:block}.shell{padding:0}.article p{line-height:1.7}body{color:#000;background:#fff}}