.dt-topic .bt-page{--bt-ink:#173a47;--bt-muted:#637a80;--bt-line:#dce7e8;color:var(--bt-ink)}
.dt-topic .bt-page h1,.dt-topic .bt-page h2,.dt-topic .bt-page p{margin-top:0}
.dt-topic .bt-page figure{margin:0}.dt-topic .bt-page img{display:block;max-width:100%;height:auto}
.dt-topic .bt-breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;font-size:12px;color:#819096;margin-bottom:32px}
.dt-topic .bt-breadcrumb a{color:#516e77}
.dt-topic .bt-hero{display:grid;grid-template-columns:1fr 1.04fr;gap:45px;align-items:center;padding:8px 0 45px}
.dt-topic .bt-kicker{color:#578794;letter-spacing:2px;font-size:12px;font-weight:700}
.dt-topic .bt-hero h1{font-size:clamp(31px,3.8vw,47px);line-height:1.4;margin:14px 0 19px;letter-spacing:-.7px}
.dt-topic .bt-lead{font-size:17px;line-height:1.95;color:#526c74}
.dt-topic .bt-button{display:inline-flex;gap:26px;align-items:center;padding:11px 23px;border-radius:6px;background:#215c6a;color:#fff;text-decoration:none;font-size:14px;margin-top:18px}
.dt-topic .bt-button:hover{background:#174653}.dt-topic .bt-button:focus-visible{outline:3px solid #c39954;outline-offset:3px}
.dt-topic .bt-hero-note{font-size:12px;color:#8a999c;margin:14px 0 0}
.dt-topic .bt-hero figure{overflow:hidden;background:#f1f2ec;border-radius:76px 12px 12px 12px}
.dt-topic .bt-hero img{width:100%;aspect-ratio:1.3;object-fit:cover;object-position:58% center}
.dt-topic .bt-hero figcaption{font-size:11px;padding:10px 17px;background:#f4f3ed;color:#72858a}
.dt-topic .bt-toc{display:flex;justify-content:space-between;gap:11px;border-top:1px solid var(--bt-line);border-bottom:1px solid var(--bt-line);padding:16px 12px;position:sticky;top:0;z-index:5;background:#fffefaee;backdrop-filter:blur(10px)}
.dt-topic .bt-toc a{font-size:13px;text-decoration:none;white-space:nowrap}.dt-topic .bt-toc span{font:italic 16px Georgia,serif;color:#97adb0;margin-right:8px}
.dt-topic .bt-intro{max-width:930px;margin:44px auto 18px;padding:26px 32px;background:#f1f5f2;border-left:3px solid #b59a72;font-size:16px}
.dt-topic .bt-intro p{margin:0}.dt-topic .bt-evidence{max-width:930px;margin:0 auto 12px;padding:14px 18px;display:flex;gap:12px 20px;align-items:center;flex-wrap:wrap;border:1px solid var(--bt-line);font-size:12px;color:#698087}
.dt-topic .bt-evidence strong{color:#9b7852}.dt-topic .bt-evidence small{font-size:11px;margin-left:auto}
.dt-topic .bt-section{padding:52px 0;border-bottom:1px solid var(--bt-line);scroll-margin-top:95px;font-size:15px}
.dt-topic .bt-section-head{display:flex;align-items:baseline;gap:20px;margin-bottom:24px}.dt-topic .bt-section-head>span{font:italic 27px Georgia,serif;color:#8aaab0}
.dt-topic .bt-section h2{font-size:clamp(23px,2.6vw,30px);margin:0;line-height:1.5}.dt-topic .bt-section>p{max-width:990px}
.dt-topic .bt-section a[href^="#source-"]{font-size:11px;vertical-align:super;margin-left:2px;color:#437483}
.dt-topic .bt-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:22px 0 24px}
.dt-topic .bt-facts article{border:1px solid var(--bt-line);background:#fff;border-radius:9px;padding:22px 22px 18px}
.dt-topic .bt-facts b{display:block;font-size:17px;margin-bottom:12px}.dt-topic .bt-facts p{font-size:13px;color:var(--bt-muted);margin:0}
.dt-topic .bt-note{background:#f4f6f2;border-left:3px solid #b59a72;padding:21px 27px;margin:25px 0;max-width:920px}
.dt-topic .bt-note b{font-size:16px}.dt-topic .bt-note ol{margin:10px 0 0;padding-left:23px}.dt-topic .bt-note li{padding:2px 0;font-size:14px}
.dt-topic .bt-alert{padding:18px 22px;background:#fff4ec;border-left:4px solid #cb8754;border-radius:3px;max-width:980px}.dt-topic .bt-alert strong{color:#8c422e}
.dt-topic .bt-process{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:22px 0}.dt-topic .bt-process article{background:#edf3f3;border-radius:8px;padding:20px}
.dt-topic .bt-process b{color:#245c67}.dt-topic .bt-process p{font-size:13px;color:var(--bt-muted);margin:10px 0 0}
.dt-topic .bt-muted{color:#77878b;font-size:13px}.dt-topic .bt-cost{background:#faf9f4;padding-left:25px;padding-right:25px}
.dt-topic .bt-faq details{padding:20px 4px;border-top:1px solid var(--bt-line);border-bottom:0}.dt-topic .bt-faq summary{font-size:16px;font-weight:650;list-style:none;display:flex;justify-content:space-between;gap:14px}
.dt-topic .bt-faq summary:after{content:'+';font-size:21px;line-height:1}.dt-topic .bt-faq details[open] summary:after{content:'−'}
.dt-topic .bt-faq details p{max-width:900px;color:var(--bt-muted);font-size:14px;margin:14px 0 0;padding:0}
.dt-topic .bt-contact{margin-top:42px;padding:39px 43px;border-radius:13px;background:#194c5b;color:#e4eff0}
.dt-topic .bt-contact h2{color:#fff;font-size:27px;margin:6px 0 15px}.dt-topic .bt-contact p{max-width:860px}.dt-topic .bt-contact .bt-kicker{color:#c9dfe1}
.dt-topic .bt-contact .bt-button-light{background:#f4eddd;color:#23515b;margin:16px 0}.dt-topic .bt-contact .bt-hours{font-size:13px;color:#d1e0e2;margin:6px 0 0}
.dt-topic .bt-sources{font-size:13px;color:#6b8086;border:0;overflow-wrap:anywhere}.dt-topic .bt-sources h2{font-size:20px}
.dt-topic .bt-sources p[id]{border:1px solid var(--bt-line);padding:14px 17px;border-radius:7px;margin:10px 0;background:#fff;max-width:none}
.dt-topic .bt-sources p[id]:target{border-color:#b59a72;background:#faf6eb}.dt-topic .bt-sources p[id] span{color:#9d835e;font-family:Georgia,serif;margin-right:8px}
.dt-topic .bt-sources .bt-source-note{font-size:12px;margin-top:25px}
@media(max-width:850px){.dt-topic .bt-hero{gap:24px}.dt-topic .bt-facts{grid-template-columns:1fr 1fr}.dt-topic .bt-evidence small{width:100%;margin-left:0}.dt-topic .bt-toc span{display:none}}
@media(max-width:600px){.dt-topic .bt-breadcrumb{margin-bottom:18px}.dt-topic .bt-hero{grid-template-columns:1fr;gap:20px;padding-bottom:25px}.dt-topic .bt-hero h1{font-size:29px;letter-spacing:0}.dt-topic .bt-lead{font-size:15px}.dt-topic .bt-hero figure{border-radius:38px 8px 8px 8px}.dt-topic .bt-hero img{aspect-ratio:1.5}.dt-topic .bt-toc{overflow-x:auto;justify-content:flex-start;gap:20px;padding:12px 0}.dt-topic .bt-toc a{font-size:12px}.dt-topic .bt-intro{padding:20px;margin-top:25px;font-size:14px}.dt-topic .bt-evidence{padding:12px}.dt-topic .bt-section{padding:36px 0;font-size:14px}.dt-topic .bt-section-head{gap:11px}.dt-topic .bt-section h2{font-size:22px}.dt-topic .bt-facts,.dt-topic .bt-process{grid-template-columns:1fr;gap:11px}.dt-topic .bt-facts article,.dt-topic .bt-process article{padding:18px}.dt-topic .bt-facts b{margin-bottom:5px}.dt-topic .bt-facts p,.dt-topic .bt-process p{font-size:14px}.dt-topic .bt-note{padding:18px}.dt-topic .bt-cost{padding-left:17px;padding-right:17px}.dt-topic .bt-faq summary{font-size:15px}.dt-topic .bt-contact{padding:27px 24px;margin-top:28px}.dt-topic .bt-contact h2{font-size:23px}.dt-topic .bt-contact .bt-button{font-size:13px;padding:10px 14px;gap:12px}.dt-topic .bt-contact .bt-hours{line-height:1.9}.dt-topic .bt-sources{font-size:12px}}
@media(prefers-reduced-motion:reduce){.dt-topic .bt-page{scroll-behavior:auto}}