*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f8f8;color:#1c2c3b;font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.site{max-width:1180px;margin:auto;background:#fff;min-height:100vh;border-left:1px solid #e8edf0;border-right:1px solid #e8edf0}.mast{padding:26px 36px 22px;text-align:center}.topline{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;color:#7e8d9b}.brand{display:block;margin:22px auto 5px;border:0;background:none;font-family:Georgia,Songti SC,serif;font-weight:700;font-size:44px;letter-spacing:4px;color:#142b40}.mast p{margin:4px;color:#728292;font-size:13px}.nav{display:flex;gap:36px;padding:0 36px;border-top:2px solid #21394d;border-bottom:1px solid #dce3e9}.nav button{padding:17px 0;border:0;border-bottom:2px solid transparent;background:none;color:#4c6070}.nav button.active{border-bottom-color:#226c9f;color:#226c9f;font-weight:700}.main{padding:38px 36px;min-height:650px}.columns{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(270px,1fr);grid-gap:38px;gap:38px}.eyebrow{color:#7a8997;font-size:11px;letter-spacing:1.2px;font-weight:700}.main h1{font-family:Georgia,Songti SC,serif;font-size:36px;line-height:1.35;max-width:750px;margin:12px 0 16px}.intro{font-size:16px;line-height:1.9;color:#485d70;max-width:720px}.muted{color:#7b8b99;font-size:13px;line-height:1.7}.primary{border:0;background:#226c9f;color:white;border-radius:5px;padding:12px 18px;margin-top:14px}.textlink{border:0;background:none;color:#226c9f;padding:8px 0;text-align:left}.main h2{font-size:20px;border-bottom:1px solid #dfe6eb;padding-bottom:12px;margin:34px 0 6px}.paper{padding:22px;border:1px solid #e0e7ec;background:#fff;border-radius:6px;margin-bottom:18px}.paper h3{margin:0 0 12px}.metric-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.metric-grid button{border:0;background:none;border-bottom:1px solid #e4e9ed;padding:12px 3px;text-align:left}.metric-grid strong{display:block;font-size:24px;margin-top:7px}.notice{font-size:11px}.focus{margin-top:18px}.focus p:not(.eyebrow){border-bottom:1px solid #e8edf0;padding-bottom:10px;font-size:14px}.entry{display:block;width:100%;background:none;border:0;border-bottom:1px solid #e5ebef;padding:18px 0;text-align:left}.entry:last-child{border-bottom:0}.entry-title{font-family:Georgia,Songti SC,serif;font-size:20px;margin:8px 0}.entry .muted,.entry-title{display:block}.entry:hover .entry-title{color:#226c9f}.search{display:block;width:100%;padding:13px 15px;border:1px solid #d7e0e8;border-radius:6px;margin:24px 0 14px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.filters button{padding:9px 13px;background:white;border:1px solid #dce4e9;border-radius:5px}.filters button.chosen{background:#226c9f;color:white;border-color:#226c9f}.chart{width:100%;height:auto}.big-number{font-size:36px;font-weight:700;margin:5px 0}.article{max-width:800px;margin:auto}.article>p:not(.muted):not(.eyebrow){font-size:16px;line-height:2}.article .paper{margin-top:24px}.prose{line-height:2}table{border-collapse:collapse;width:100%;text-align:left;font-size:13px}td,th{padding:14px 8px;border-bottom:1px solid #e7edf0}footer{padding:22px 36px;border-top:1px solid #e2e8ed;font-size:12px;color:#83919f}.mobile-nav{display:none}@media(max-width:700px){.mast{padding:18px 15px}.topline{font-size:9px}.topline span:last-child{display:none}.brand{font-size:30px;letter-spacing:2px;margin:14px auto 5px}.nav{display:none}.main{padding:25px 17px 65px}.main h1{font-size:27px}.columns{grid-template-columns:1fr;gap:25px}.metric-grid strong{font-size:22px}.paper{padding:17px}.mobile-nav{display:flex;justify-content:space-around;position:-webkit-sticky;position:sticky;bottom:0;background:white;border-top:1px solid #e0e6eb;padding:10px 2px;z-index:5}.mobile-nav button{background:none;border:0;font-size:11px;color:#778999;padding:6px 3px}.mobile-nav button.active{color:#226c9f;font-weight:700}footer{padding:20px 17px}.entry-title{font-size:18px}}.cms-body{font-size:16px;line-height:1.9;overflow-wrap:anywhere}.cms-body p{margin:1em 0}.cms-body h2{margin:1.5em 0 .5em}.cms-body h3{margin:1.3em 0 .4em}.cms-body ol,.cms-body ul{padding-left:1.6em}.cms-body blockquote{border-left:3px solid #226c9f;padding-left:16px}.cms-body figure{margin:22px 0}.cms-body figcaption{font-size:12px}.membership-mobile-link,.membership-nav-link{display:inline-flex;align-items:center;padding:17px 0;text-decoration:none;color:#226c9f;font-size:14px;font-weight:600;margin-left:auto}.membership-mobile-link{margin:0;padding:6px 3px;font-size:11px}.nav>a:not(.membership-nav-link){padding:17px 0;text-decoration:none;color:#4c6070}.membership-nav-current{padding:17px 0;color:#226c9f;font-weight:700}.brand-link{text-decoration:none}.membership-main{max-width:980px;margin:auto}.membership-plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:20px;gap:20px;margin:30px 0}.membership-plan{border:1px solid #dfe6eb;padding:26px;border-radius:7px;display:flex;flex-direction:column;gap:10px;min-height:345px}.membership-plan h2{border:0;margin:0;padding:0}.membership-plan p{line-height:1.75;margin:0}.membership-plan ul{line-height:2;padding-left:20px;margin:10px 0}.membership-option{padding:12px 0;border-bottom:1px solid #e5ebef;display:flex;flex-direction:column;gap:7px}.membership-notice{background:#f2f6f9;border-left:3px solid #8aafc6;padding:12px;font-size:13px;line-height:1.7;color:#426078}.membership-faq{margin:32px 0}.membership-faq>div{padding:8px 0;border-bottom:1px solid #e8edf0}.membership-faq h3{font-size:15px}.membership-faq p{color:#607180;line-height:1.8}.action-link{display:inline-block;text-decoration:none;width:max-content;max-width:100%}.premium-gate{background:#f5f8fa;border:1px solid #dbe5ed;border-radius:8px;padding:24px;margin:28px 0}.premium-gate h2{border:0;margin:4px 0;padding:0}.premium-gate p{line-height:1.75}.premium-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.premium-actions .primary{margin-top:0}@media(max-width:700px){.membership-plans{grid-template-columns:1fr}.membership-plan{min-height:0;padding:20px}.membership-nav-link{display:none}}