.sinsido{max-width:1120px;margin:auto;padding:24px;color:#17323b;font-size:17px;line-height:1.8}.sinsido h1{font-size:clamp(2.4rem,6vw,4.7rem);line-height:1.1;max-width:850px;margin:20px 0}.sinsido h2{font-size:1.8rem;line-height:1.3}.sinsido .lead{font-size:1.25rem;max-width:850px}.sinsido a{color:#086274;text-decoration:underline;text-underline-offset:3px}.sinsido section{padding:24px 0;border-bottom:1px solid #d4dfe2;scroll-margin-top:120px}.sinsido .notice{padding:24px;background:#fff4d9;border-left:5px solid #a45d08;margin:24px 0}.sinsido figure{margin:24px 0}.sinsido img{display:block;width:100%;height:auto;border-radius:10px}.sinsido figcaption{font-size:14px;margin-top:8px}.sinsido .photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.sinsido .toc{display:flex;gap:12px 24px;flex-wrap:wrap;padding:24px 0}.sinsido .facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;background:#e5f2f5;padding:24px;border-radius:10px}.sinsido .facts strong{display:block;font-size:1.25rem}.sinsido table{border-collapse:collapse;width:100%;min-width:480px}.sinsido th,.sinsido td{padding:16px;text-align:left;border-bottom:1px solid #bacdd3}.sinsido .table-scroll{overflow:auto}.sinsido iframe{width:100%;height:350px;border:0;border-radius:10px}.sinsido .crumb{font-size:14px}@media(max-width:700px){.sinsido{padding:18px}.sinsido .facts,.sinsido .photo-grid{grid-template-columns:1fr}.sinsido .facts{gap:0}.sinsido .facts p{margin:8px 0}}
/* Explicit surfaces prevent the shared dark theme from obscuring this guide. */
body.sinsido-page{background:#eef4f6;color:#172f39}
body.sinsido-page .sinsido{background:#fff;color:#172f39;min-height:100vh}
.sinsido :is(h1,h2,h3,p,li,th,td,strong,figcaption){color:#172f39}
.sinsido .eyebrow{color:#32606b;font-size:14px}
.sinsido :is(a,a:hover,a:focus-visible,a:visited){color:#07576a;background:transparent}
.sinsido nav.crumb,.sinsido nav.toc{display:flex;position:static;flex-wrap:wrap;flex-direction:row;width:100%;height:auto;max-height:none;background:#eef6f8;color:#172f39;gap:10px 18px;margin:0;padding:16px;border-radius:8px}
.sinsido nav a{font-size:16px;white-space:normal}
.sinsido nav.toc{margin:24px 0}
.sinsido .notice{background:#fff4d9;color:#3b2c12}
.sinsido .notice :is(p,strong){color:#3b2c12}
.sinsido .facts{background:#e5f2f5;color:#172f39}
.sinsido th{background:#edf4f6}
.sinsido td{background:#fff}
.sinsido figcaption{background:#f0f5f6;padding:12px 14px;font-size:15px;line-height:1.6;border-radius:0 0 8px 8px}
.sinsido figure>a{display:block}
.sinsido .photo-grid figure{margin:0}
.sinsido .photo-grid img{aspect-ratio:3/2;object-fit:contain;background:#edf3f5}
.sinsido a:focus-visible{outline:3px solid #07576a;outline-offset:4px}
@media(max-width:700px){.sinsido nav.crumb,.sinsido nav.toc{padding:12px;gap:8px 14px}.sinsido .photo-grid{gap:24px}.sinsido h1{font-size:2.5rem}.sinsido h2{font-size:1.65rem}}