:root{--ink:#20363d;--muted:#5c727c;--line:#dce4e5;--accent:#196b85;--soft:#edf2f2}*{box-sizing:border-box}body{margin:0;background:#f7f9f7;color:var(--ink);font-family:Arial,'Microsoft YaHei',sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-underline-offset:5px}header,main,footer{max-width:1200px;margin:auto}header{padding:24px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:14px;text-decoration:none}.brand img{width:92px;height:62px;object-fit:contain}.brand span{font-size:12px;line-height:1.5;letter-spacing:1px}.back{font-size:14px}main{padding:0 30px}.intro{padding:65px 0 42px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--accent)}h1{font-size:52px;line-height:1.15;margin:20px 0}h2{font-size:30px;line-height:1.4;margin:0}h3{font-size:23px;line-height:1.5;margin:12px 0}.lead{font-size:21px}.intro>p:not(.eyebrow){max-width:740px}nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}nav a{padding:8px 16px;border:1px solid var(--line);border-radius:24px;text-decoration:none;font-size:14px}.section{padding:40px 0;border-top:1px solid var(--line);scroll-margin-top:20px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.category{font-size:13px;border:1px solid var(--line);padding:6px 12px;white-space:nowrap}.assessment{padding:32px;background:#fff;display:grid;grid-template-columns:1.2fr 1fr;gap:48px;border:1px solid var(--line)}.english{font-size:14px;color:var(--muted)}dl{margin:12px 0}dl>div{padding:13px 0;border-bottom:1px solid var(--line)}dt{font-size:12px;color:var(--muted)}dd{margin:4px 0 0;overflow-wrap:anywhere;font-size:15px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.primary,.secondary{display:inline-block;text-decoration:none;padding:11px 17px;font-size:14px;border:1px solid var(--accent)}.primary{background:var(--accent);color:#fff}.secondary{color:var(--accent)}.note{font-size:12px;color:var(--muted)}.document-card{display:grid;grid-template-columns:.85fr 1.15fr;background:#fff;border:1px solid var(--line)}.document-preview{padding:30px;background:var(--soft);display:flex;align-items:center;justify-content:center}.document-preview button{position:relative;display:block;border:0;padding:0;background:white;cursor:zoom-in;width:100%;max-width:320px}.document-preview img{display:block;width:100%;height:auto;box-shadow:0 10px 26px #20363d18}.document-preview span{position:absolute;bottom:12px;right:10px;background:white;padding:5px 10px;font-size:13px;color:var(--ink)}.document-info{padding:30px}.scope{padding:14px 18px;background:var(--soft);font-size:14px;line-height:1.8}.request{margin:30px 0 60px;padding:35px;background:#e7eff0;display:flex;gap:32px;align-items:center;justify-content:space-between}.request>div{max-width:740px}.request a{flex-shrink:0}footer{padding:25px 30px;border-top:1px solid var(--line);font-size:13px;display:flex;justify-content:space-between;gap:14px;color:var(--muted)}dialog{width:min(96vw,1200px);max-height:94vh;padding:16px;border:1px solid var(--line);color:var(--ink);background:#f7f9f7}dialog::backdrop{background:#15272cbd}.viewer-head{display:flex;gap:10px;align-items:center;margin-bottom:14px}.viewer-head h2{font-size:18px;flex:1}.viewer-head button{padding:9px;background:white;border:1px solid #a5bcc4;cursor:pointer;color:var(--ink)}.viewer-scroll{overflow:auto;max-height:70vh;text-align:center;background:#e5eaea}.viewer-scroll img{display:block;max-height:68vh;max-width:100%;height:auto;width:auto;margin:auto}.original .viewer-scroll img{max-height:none;max-width:none}.viewer-head~p{font-size:12px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media(max-width:700px){header{padding:16px 18px;flex-wrap:wrap}main{padding:0 18px}.intro{padding:35px 0 28px}h1{font-size:38px}h2{font-size:26px}.lead{font-size:18px}.section-head{align-items:flex-start;flex-direction:column;gap:8px}.assessment,.document-card{grid-template-columns:1fr}.assessment{gap:18px;padding:20px}.document-preview{padding:22px}.document-preview button{max-width:235px}.document-info{padding:20px}h3{font-size:21px}.request{flex-direction:column;align-items:flex-start;padding:23px}.request h2{font-size:26px}footer{padding:22px 18px;flex-direction:column}.viewer-head{flex-wrap:wrap}.viewer-head h2{flex-basis:100%;font-size:16px}.category{white-space:normal}}

.purchase-context{padding:12px 16px;border-left:3px solid var(--accent);background:var(--soft);font-size:14px;overflow-wrap:anywhere}