:root{--paper:#faf7f0;--ink:#292c2b;--muted:#66645c;--amber:#9b5712;--line:#d9d2c5;--note:#eee5d4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.85}a{color:var(--amber);text-decoration-thickness:1px;text-underline-offset:5px}a:hover{color:#653405}a:focus-visible,summary:focus-visible{outline:3px solid #9b5712;outline-offset:5px}.nd-skip{position:absolute;top:-90px;left:20px;padding:10px;background:#fff;z-index:9}.nd-skip:focus{top:8px}.nd-mast{max-width:1340px;padding:27px 48px;margin:auto;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.nd-logo{font-family:Georgia,serif;font-size:33px;font-weight:700;color:var(--ink);text-decoration:none;line-height:1.2;letter-spacing:-1px}.nd-logo span{display:block;font-family:sans-serif;font-size:10px;letter-spacing:3px;margin-top:9px;font-weight:400}.nd-mast nav{display:flex;gap:27px;font-size:13px}.nd-mast nav a{text-decoration:none;color:var(--ink)}[aria-current=page]{color:var(--amber)}.nd-reading{max-width:1244px;margin:auto;padding:0 48px 84px}.nd-cover{padding:65px 0 62px;display:grid;grid-template-columns:1.03fr 1fr;gap:45px;align-items:center}.nd-eyebrow{font-size:11px;letter-spacing:2.5px;color:var(--amber);font-weight:700;margin:0 0 18px}h1,h2,h3,p,figure{margin-top:0}h1{font-size:43px;letter-spacing:-1.3px;line-height:1.35;margin-bottom:23px}h1 em{font-style:normal;font-weight:400;color:var(--amber)}h2{font-size:29px;line-height:1.5;letter-spacing:-.7px}h3{font-size:19px;line-height:1.5}.nd-intro{font-size:17px;color:var(--muted);max-width:490px}.nd-answer{font-size:14px;font-weight:600}.nd-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;background:var(--ink);color:#fff9ee;text-decoration:none;font-size:14px}.nd-button:hover{background:#484b44;color:#fff}.nd-textlink{display:inline-block;margin:13px 0 0 20px;font-size:13px}.nd-cover figure{margin:0}.nd-cover img{display:block;width:100%;height:398px;object-fit:cover;object-position:68% 50%}.nd-cover figcaption{font-size:11px;color:var(--muted);padding-top:12px;line-height:1.7}.nd-edition{border-top:2px solid var(--ink);padding:43px 0 54px;display:grid;grid-template-columns:.85fr 1.2fr .8fr;gap:40px}.nd-edition header a{font-size:13px}.nd-column p{font-size:14px;color:var(--muted)}.nd-column h3:not(:first-child){margin-top:26px}.nd-note{background:var(--note);padding:24px;font-size:14px;align-self:start}.nd-note span{font-size:11px;letter-spacing:2px}.nd-note h2{font-size:20px}.nd-note h3{margin-top:16px}.nd-note ul{padding-left:20px}.nd-note li{margin-bottom:10px}.nd-terms{display:grid;grid-template-columns:.85fr 1.7fr;gap:65px;padding:43px 0;border-top:1px solid var(--line)}.nd-terms p{font-size:14px;color:var(--muted)}.nd-terms a{font-size:13px}table{border-collapse:collapse;width:100%;font-size:14px}caption{text-align:left;font-size:13px;margin-bottom:12px;color:var(--muted)}th,td{padding:16px 12px;text-align:left;border-bottom:1px solid var(--line)}thead{background:#e9e1d3}tbody th{white-space:nowrap;width:100px}.nd-feature{padding:45px 0;border-top:1px solid var(--line)}.nd-stories{display:grid;grid-template-columns:1fr 1fr;gap:42px}.nd-story{display:block;color:var(--ink);text-decoration:none;padding:25px 0;border-top:1px solid var(--ink)}.nd-story span{font-size:10px;letter-spacing:2px;color:var(--amber)}.nd-story h3{font-size:23px;margin:12px 0}.nd-story p{font-size:14px;color:var(--muted)}.nd-story b{font-weight:400;font-size:13px;color:var(--amber);border-bottom:1px solid}.nd-faq{padding:35px 0 0;border-top:1px solid var(--line);max-width:850px}.nd-faq h2{font-size:24px}details{border-bottom:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-size:15px;font-weight:600;min-height:32px}details p{margin:16px 0 8px;font-size:14px;color:var(--muted)}details a{display:inline-block;padding:8px 0;font-size:14px}.nd-footer{background:#e9e2d6;padding:35px max(24px,calc((100vw - 1148px)/2));display:grid;grid-template-columns:1fr auto;gap:15px;font-size:13px}.nd-footer p{margin:0}.nd-footer b{display:block;font-family:Georgia,serif;font-size:25px}.nd-footer span{display:block;color:var(--muted);margin-top:5px}.nd-footer nav{display:flex;gap:25px;align-self:center}.nd-footer small{grid-column:1/-1;color:var(--muted);font-size:11px;margin-top:15px}.nd-pagehead{padding:58px 0 40px;max-width:850px}.nd-pagehead h1{font-size:37px}.nd-deck{font-size:19px;color:var(--muted)}time{font-size:12px;color:var(--muted)}.nd-articlegrid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:65px;padding-top:25px;border-top:1px solid var(--line)}.nd-prose{font-size:16px;max-width:760px}.nd-prose h2{font-size:24px;margin:35px 0 14px}.nd-prose h2:first-child{margin-top:0}.nd-prose p{margin-bottom:22px}.nd-prose li{margin-bottom:13px}.nd-prose p a{display:inline-block;padding:2px 0}.nd-narrow{max-width:760px}.nd-crumb{display:flex;gap:18px;padding-top:24px;font-size:12px}.nd-triage{display:grid;grid-template-columns:1fr 1fr;gap:35px 55px;border-top:1px solid var(--line);padding-top:35px}.nd-triage article:last-child{grid-column:1/-1;max-width:760px}.nd-triage h2{font-size:24px}.nd-triage p{font-size:15px}.nd-report{background:var(--ink);color:var(--paper);padding:30px 35px;margin-top:30px}.nd-report h2{font-size:23px}.nd-report p{font-size:14px;margin:0}dt{font-weight:600;margin-top:14px}dd{margin:0;color:var(--muted)}
@media(max-width:760px){.nd-mast{padding:22px 22px 18px;display:block}.nd-logo{font-size:29px}.nd-logo span{font-size:9px;letter-spacing:2px}.nd-mast nav{gap:0;justify-content:space-between;margin-top:23px;font-size:12px}.nd-mast nav a,.nd-mast nav span{padding:7px 0}.nd-reading{padding:0 22px 55px}.nd-cover{display:flex;flex-direction:column;gap:28px;padding:34px 0 37px;align-items:stretch}h1{font-size:31px;letter-spacing:-.8px;line-height:1.4;margin-bottom:18px}.nd-eyebrow{font-size:10px;margin-bottom:13px}.nd-intro{font-size:15px;line-height:1.8;margin-bottom:15px}.nd-answer{font-size:13px;margin-bottom:17px}.nd-button{font-size:13px;padding:11px 15px}.nd-textlink{margin-left:15px;font-size:12px}.nd-cover img{height:240px;object-position:68% 50%}.nd-cover figcaption{font-size:10px}.nd-edition{grid-template-columns:1fr;gap:25px;padding:30px 0}.nd-edition h2 br{display:none}h2{font-size:25px}.nd-edition header h2{margin-bottom:12px}.nd-note{padding:22px}.nd-terms{grid-template-columns:1fr;gap:20px;padding:31px 0}table{font-size:12px}th,td{padding:13px 8px}tbody th{width:72px}.nd-feature{padding:32px 0}.nd-feature h2{font-size:24px}.nd-stories{grid-template-columns:1fr;gap:6px}.nd-story{padding:23px 0}.nd-story h3{font-size:21px}.nd-faq{padding-top:28px}.nd-footer{display:block;padding:29px 22px}.nd-footer nav{gap:23px;margin:20px 0}.nd-footer small{display:block;line-height:1.7}.nd-pagehead{padding:35px 0 28px}.nd-pagehead h1{font-size:29px}.nd-deck{font-size:17px}.nd-articlegrid{grid-template-columns:1fr;gap:25px;padding-top:26px}.nd-prose{font-size:15px}.nd-prose h2{font-size:23px;margin-top:31px}.nd-prose p{line-height:1.95}.nd-crumb{font-size:11px;gap:16px;padding-top:20px}.nd-triage{grid-template-columns:1fr;gap:22px;padding-top:25px}.nd-triage article:last-child{grid-column:auto}.nd-report{padding:24px}.nd-report h2{font-size:21px}summary{font-size:14px;line-height:1.7}.nd-note li{margin-bottom:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
