.sci-ihd{background:radial-gradient(900px 420px at 88% 0%,#DCE7FF 0%,rgba(245,248,255,0) 70%),var(--sci-bg);padding:22px 0 26px}
.sci-ihd h1{margin:6px 0 10px;font-size:clamp(34px,4.8vw,58px);line-height:1;font-weight:900;letter-spacing:-.03em;text-wrap:balance}
.sci-ihd p{margin:0;color:var(--sci-mut);font-size:18px;max-width:44rem}
.sci-ibody{display:block;padding-top:10px}
.sci-ibody.has-toc{display:grid;grid-template-columns:230px minmax(0,1fr);gap:40px;align-items:start}
.sci-toc{position:sticky;top:100px;display:flex;flex-direction:column;gap:2px;background:var(--sci-card);border:1px solid var(--sci-line);border-radius:16px;padding:16px}
.sci-toc a{color:var(--sci-mut)!important;text-decoration:none;font-size:14px;padding:5px 0}.sci-toc a:hover{color:var(--sci-brand)!important}
.sci-iart{max-width:860px;font-size:17px;line-height:1.7;color:#22324F}
.sci-iart h2{font-size:28px;font-weight:900;letter-spacing:-.02em;color:var(--sci-ink);margin:40px 0 10px;line-height:1.15;scroll-margin-top:100px}
.sci-iart h3{font-size:20px;color:var(--sci-ink);margin:26px 0 6px}
.sci-iart>h2:first-child{margin-top:10px}
.sci-iart table{width:100%;border-collapse:collapse;font-size:15.5px;background:var(--sci-card);border-radius:14px;overflow:hidden;display:block;overflow-x:auto}
.sci-iart th,.sci-iart td{padding:10px 14px;border-bottom:1px solid var(--sci-line);text-align:left}
.sci-iart th{background:var(--sci-tint);font-family:var(--sci-m);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.sci-iart details{background:var(--sci-card);border:1px solid var(--sci-line);border-radius:14px;margin:0 0 10px}
.sci-iart summary{cursor:pointer;padding:16px 18px;font-weight:800;color:var(--sci-ink);list-style:none;display:flex;justify-content:space-between;gap:12px}
.sci-iart summary::-webkit-details-marker{display:none}
.sci-iart summary::after{content:"+";font-family:var(--sci-m);color:var(--sci-acc);font-size:20px;line-height:1}
.sci-iart details[open] summary::after{content:"−"}
.sci-iart details>*:not(summary){margin:0;padding:0 18px 16px}
.sci-iart .sci-callout{background:var(--sci-tint);border-radius:16px;padding:18px 20px;margin:18px 0}
.sci-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:18px 0}
.sci-facts div{display:grid;grid-template-columns:auto 1fr;column-gap:10px;background:var(--sci-card);border:1px solid var(--sci-line);border-radius:14px;padding:14px;line-height:1.35}
.sci-facts .sci-i{grid-row:span 2;color:var(--sci-brand)}.sci-facts span{font-size:13.5px;color:var(--sci-mut)}
.sci-track{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end;background:var(--sci-card);border:1px solid var(--sci-line);border-radius:18px;padding:18px}
.sci-track label{display:block;font-weight:700;font-size:14px;margin-bottom:6px;color:var(--sci-ink)}
.sci-track input{width:100%;min-height:48px;border-radius:12px;border:1px solid var(--sci-line);background:var(--sci-bg);padding:10px 14px;font:inherit}
.sci-alert{background:#FEE2E2;border-radius:12px;padding:12px 16px;margin-top:12px;color:#7F1D1D}
.sci-trackres{background:var(--sci-card);border:1px solid var(--sci-line);border-radius:18px;padding:20px;margin-top:14px}
.sci-trackres h2{margin:0 0 12px!important;font-size:22px!important}
.sci-tl{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.sci-tl li{display:flex;gap:8px;align-items:center;padding:10px 12px;border-radius:12px;background:var(--sci-tint);font-weight:700;font-size:14.5px;color:var(--sci-mut)}
.sci-tl li.on{background:var(--sci-goodbg);color:var(--sci-good)}
.sci-tl i{width:14px;height:14px;border-radius:50%;border:2px solid #9AAED6}
.sci-trackno b{font-family:var(--sci-m)}
.sci-contact{display:grid;grid-template-columns:1.3fr 1fr;gap:16px}
.sci-contact__card{background:var(--sci-card);border:1px solid var(--sci-line);border-radius:20px;padding:24px;display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.sci-contact__card--main{border:2px solid var(--sci-brand)}
.sci-contact__card .sci-i{color:var(--sci-brand)}
.sci-contact__card h2{margin:4px 0 0!important;font-size:24px!important}
.sci-contact__card p{margin:0 0 8px;color:var(--sci-mut);font-size:15.5px}
.sci-contact__form{background:var(--sci-card);border:1px solid var(--sci-line);border-radius:20px;padding:24px;margin-top:16px}
.sci-contact__form h2{margin:0!important}
.sci-contact__form input:not([type=submit]),.sci-contact__form textarea{width:100%;min-height:48px;border-radius:12px;border:1px solid var(--sci-line);background:var(--sci-bg);padding:10px 14px;font:inherit;margin-top:4px}
.sci-contact__form input[type=submit]{background:var(--sci-go);color:#fff;border:0;border-radius:12px;min-height:50px;padding:0 24px;font:800 16px var(--sci-d);cursor:pointer}
.sci-noreviews{background:var(--sci-card);border:1px dashed var(--sci-line);border-radius:14px;padding:18px;color:var(--sci-mut)}.sci-noreviews p{margin:0}
.sci-wall{columns:3 280px;column-gap:14px}
.sci-wall .sci-review{break-inside:avoid;margin:0 0 14px;background:var(--sci-card);border:1px solid var(--sci-line);border-radius:14px;padding:16px}
.sci-stars{color:#F59E0B;letter-spacing:2px}.sci-stars span{color:#D6DFF2}
.sci-learn__tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 30px}
.sci-learn__tools a{display:grid;grid-template-columns:auto 1fr;column-gap:12px;background:var(--sci-card);border:1px solid var(--sci-line);border-radius:16px;padding:16px;text-decoration:none;color:var(--sci-ink)!important;line-height:1.35}
.sci-learn__tools .sci-i{grid-row:span 2;color:var(--sci-brand)}.sci-learn__tools span{font-size:14px;color:var(--sci-mut)}
.sci-learn{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.sci-post{display:flex;flex-direction:column;gap:8px;background:var(--sci-card);border:1px solid var(--sci-line);border-radius:18px;padding:12px;text-decoration:none;color:var(--sci-ink)!important;line-height:1.35}
.sci-post img,.sci-post__ph{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;background:var(--sci-tint);display:grid;place-items:center;color:#9AAED6}
.sci-post span{font-size:14px;color:var(--sci-mut)}
.sci-iart--learn,.sci-iart--builder{max-width:none}
.sci-iart--builder>details,.sci-iart--builder>h2{max-width:860px}
@media (max-width:900px){.sci-ibody.has-toc{grid-template-columns:1fr}.sci-toc{position:static}.sci-facts{grid-template-columns:1fr 1fr}.sci-contact{grid-template-columns:1fr}.sci-track{grid-template-columns:1fr}.sci-tl{grid-template-columns:1fr 1fr}.sci-learn__tools{grid-template-columns:1fr}}