.dong-page{font-size:max(var(--minimum-text-size),18px);line-height:1.85;background:#fff}.dong-page .header-inner{max-width:1220px}.dong-page .header nav{gap:22px}.dong-page .area-menu a{white-space:nowrap}.dong-hero{background:#eff5fa;border-bottom:1px solid #e1e9f0}.dong-hero-inner{max-width:1160px;margin:auto;display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center;padding:48px 24px 54px}.breadcrumbs{display:flex;gap:12px;align-items:center;font-size:max(var(--minimum-text-size),13px);color:#687b8c;margin-bottom:23px}.breadcrumbs a{color:var(--navy);font-weight:700}.dong-eyebrow{font-size:max(var(--minimum-text-size),14px);color:var(--blue);font-weight:800;letter-spacing:.03em;margin-bottom:10px}.dong-hero h1{font-size:max(var(--minimum-text-size),clamp(30px,3vw,43px));letter-spacing:-1.8px;line-height:1.4;color:var(--navy);font-weight:900;margin-bottom:22px}.dong-lead{font-size:max(var(--minimum-text-size),17px);color:#526779;line-height:1.95;max-width:560px}.dong-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}.dong-actions .pill{font-size:max(var(--minimum-text-size),15px);padding:12px 21px;min-height:50px;display:inline-flex;gap:10px}.dong-tag{font-size:max(var(--minimum-text-size),13px);font-weight:700;color:#536c82;margin-top:17px}.dong-hero-photo{margin:0;border-radius:22px;overflow:hidden;box-shadow:0 12px 34px #12345013;background:#dce6ee}.dong-hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}.dong-article{max-width:840px;margin:auto;padding:36px 24px 76px}.dong-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:48px}.dong-steps li{background:#eff5f9;border-radius:12px;padding:20px}.dong-steps span{font-size:max(var(--minimum-text-size),13px);font-weight:900;color:#264e78;display:block;margin-bottom:8px}.dong-steps h2{font-size:max(var(--minimum-text-size),18px);color:var(--navy);letter-spacing:-.5px;margin-bottom:6px}.dong-steps p{font-size:max(var(--minimum-text-size),15px);line-height:1.8;color:#5f7180}.article-kicker{font-size:max(var(--minimum-text-size),13px);font-weight:800;color:var(--blue);letter-spacing:.05em;margin-bottom:12px}.dong-prose{padding:0;margin:0 0 46px}.dong-prose h2{border-left:4px solid #315b8d;padding-left:15px;font-size:max(var(--minimum-text-size),28px);line-height:1.5;color:var(--navy);letter-spacing:-.9px;margin-bottom:20px}.dong-prose p{font-size:max(var(--minimum-text-size),18px);color:#465969;margin-bottom:20px;line-height:1.95}.dong-prose blockquote{background:#f2f6fa;border-radius:0 14px 14px 0;border-left:3px solid #f3c717;margin:28px 0;padding:24px 28px}.dong-prose blockquote p{margin:0;color:var(--navy);font-size:max(var(--minimum-text-size),21px);line-height:1.8}.dong-prose blockquote strong{font-weight:900}.inspection-note{border:1px solid #dce6ee;border-radius:14px;padding:24px 26px;background:#fbfcfe;margin-top:26px}.inspection-note h3{font-size:max(var(--minimum-text-size),18px);color:var(--navy);line-height:1.6;margin-bottom:12px}.inspection-note p{font-size:max(var(--minimum-text-size),16px);margin:0}.dong-faq{border-top:1px solid #e0e8ef;padding-top:34px;margin-top:50px}.dong-faq>h2{font-size:max(var(--minimum-text-size),29px);color:var(--navy);margin:0 0 20px;letter-spacing:-.7px}.dong-faq details{border:1px solid #dce5ed;border-radius:12px;overflow:hidden;margin:12px 0}.dong-faq summary{padding:20px 24px;color:var(--navy);font-size:max(var(--minimum-text-size),17px);font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px;align-items:center}.dong-faq summary::-webkit-details-marker{display:none}.dong-faq summary:after{content:'+';font-size:max(var(--minimum-text-size),24px);line-height:1;flex-shrink:0;color:#4674a5}.dong-faq details[open] summary:after{content:'−'}.dong-faq details[open] summary{background:#f3f7fb}.dong-faq details>div{padding:18px 24px 22px;border-top:1px solid #e0e8ef;font-size:max(var(--minimum-text-size),16px);color:#526576;line-height:1.9}.back-main{font-size:max(var(--minimum-text-size),15px);color:#60788d;margin-top:30px}.back-main a{text-decoration:underline;text-underline-offset:4px;color:var(--blue);font-weight:700}.dong-siblings{border-top:1px solid #dce6ee;margin-top:44px;padding-top:28px}.dong-siblings h2{font-size:max(var(--minimum-text-size),18px);color:var(--navy);margin-bottom:15px}.dong-siblings>div{display:flex;flex-wrap:wrap;gap:10px}.dong-siblings a{display:flex;align-items:center;gap:26px;border:1px solid #dce5ed;border-radius:9px;padding:9px 15px;font-size:max(var(--minimum-text-size),15px);color:#3d5873}.dong-siblings a:hover,.dong-siblings a[aria-current]{background:#edf4fa;border-color:#97b2cf;color:#134f91}.dong-siblings span{font-size:max(var(--minimum-text-size),14px)}.dong-contact{background:#f0f5fa;border-top:1px solid #dce7f0;padding:66px 24px 80px}.dong-contact>div{max-width:1112px;margin:auto}.dong-contact h2{font-size:max(var(--minimum-text-size),clamp(28px,3.6vw,42px));line-height:1.5;color:var(--navy);letter-spacing:-1.4px;margin:12px 0 20px}.dong-contact>div>p:not(.dong-eyebrow){font-size:max(var(--minimum-text-size),17px);color:#50687c;line-height:1.9}.dong-contact .secondary-call{background:#fff;color:var(--navy);border:1px solid #c6d5e4}.dong-page footer{padding-top:60px}.dong-page .footer-grid{max-width:1160px;margin:auto}.dong-page .footer-bottom{max-width:1160px;margin:30px auto 0}.dong-page footer .brand{font-size:max(var(--minimum-text-size),38px)}.dong-page .floating-side a{font-size:max(var(--minimum-text-size),16px)}.dong-page footer p{font-size:max(var(--minimum-text-size),14px)}.dong-page .floating-call{font-size:max(var(--minimum-text-size),18px)}
@media(max-width:1100px){.dong-page .header-inner{padding:12px 22px}.dong-page .header nav{gap:13px;font-size:max(var(--minimum-text-size),14px)}.dong-hero-inner{gap:30px}.dong-hero h1{font-size:max(var(--minimum-text-size),34px)}}
@media(max-width:999px){.dong-page .header nav{font-size:max(var(--minimum-text-size),17px)}.dong-hero-inner{max-width:760px;grid-template-columns:1fr;gap:26px;padding:25px 22px 36px}.dong-hero-photo{grid-row:1;max-width:650px}.dong-hero h1{font-size:max(var(--minimum-text-size),32px);line-height:1.45;letter-spacing:-1.3px}.dong-hero-copy .breadcrumbs{margin-bottom:20px}.dong-lead{max-width:none}.dong-page .header-actions .yellow{font-size:max(var(--minimum-text-size),14px)}.dong-page .dong-actions{gap:9px}.dong-contact{text-align:left}.dong-article{padding-top:26px}}
@media(max-width:600px){.dong-page .header-inner{padding:11px 16px}.dong-hero h1{font-size:max(var(--minimum-text-size),29px);letter-spacing:-1.2px}.dong-eyebrow{font-size:max(var(--minimum-text-size),12px)}.dong-lead{font-size:max(var(--minimum-text-size),16px);line-height:1.9}.dong-hero-inner{padding:22px 20px 32px}.dong-hero-photo{border-radius:16px}.dong-actions .pill{padding:11px 16px;font-size:max(var(--minimum-text-size),14px);min-height:48px}.dong-tag{font-size:max(var(--minimum-text-size),12px)}.dong-steps{gap:9px;margin-bottom:34px;grid-template-columns:1fr}.dong-steps li{padding:16px 18px;display:grid;grid-template-columns:26px 1fr;column-gap:10px}.dong-steps span{grid-row:1/3;margin-top:2px}.dong-steps h2{font-size:max(var(--minimum-text-size),17px);margin:0 0 3px}.dong-steps p{font-size:max(var(--minimum-text-size),15px)}.dong-article{padding:24px 20px 48px}.dong-prose{margin-bottom:36px}.dong-prose h2{font-size:max(var(--minimum-text-size),23px);letter-spacing:-.8px;padding-left:12px}.dong-prose p{font-size:max(var(--minimum-text-size),16px);line-height:1.95}.dong-prose blockquote{padding:20px}.dong-prose blockquote p{font-size:max(var(--minimum-text-size),19px)}.inspection-note{padding:20px}.inspection-note h3{font-size:max(var(--minimum-text-size),17px)}.inspection-note p{font-size:max(var(--minimum-text-size),15px)}.dong-faq>h2{font-size:max(var(--minimum-text-size),25px)}.dong-faq summary{padding:17px 18px;font-size:max(var(--minimum-text-size),16px)}.dong-faq details>div{padding:16px 18px 20px;font-size:max(var(--minimum-text-size),15px)}.dong-contact{padding:44px 20px 56px}.dong-contact h2{font-size:max(var(--minimum-text-size),28px)}.dong-contact>div>p:not(.dong-eyebrow){font-size:max(var(--minimum-text-size),16px)}.dong-page .floating-call{font-size:max(var(--minimum-text-size),16px)}.dong-siblings a{padding:8px 12px;font-size:max(var(--minimum-text-size),14px);gap:18px}.dong-page footer .footer-grid{padding:0}.dong-page footer .brand{font-size:max(var(--minimum-text-size),34px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* The shared site navigation styles apply only to the header here. */
.dong-page .breadcrumbs{display:flex;position:static;inset:auto;background:transparent;box-shadow:none;padding:0;gap:12px;font-size:max(var(--minimum-text-size),13px)}
.dong-page .breadcrumbs>a{padding:0}
.dong-page .dong-siblings{display:block;position:static;inset:auto;background:transparent;box-shadow:none;padding:28px 0 0;font-size:max(var(--minimum-text-size),15px);font-weight:400}

/* Preserve readable article controls and sufficient header width. */
.dong-page .header-inner{max-width:1400px}.dong-siblings>div{align-items:stretch}.dong-page .dong-actions .pill{white-space:normal;text-align:center}.dong-page .dong-steps li{min-width:0}.dong-page .breadcrumbs{flex-wrap:wrap;row-gap:4px}.dong-page .dong-siblings a{min-width:0}