/* Taichu Island download surface; scoped additions, existing home design retained. */
.island-ecosystem{background:var(--paper,#fbfaf8)}
.island-download-card{display:grid;grid-template-columns:144px minmax(0,1fr) auto;align-items:center;gap:30px;padding:38px;background:#fff;border:1px solid var(--line,#e7e1da);border-radius:24px}
.island-app-icon{width:144px;height:144px;object-fit:contain}
.island-version{display:block;color:var(--brand-deep,#b95537);font:600 11px/1.6 var(--sans,sans-serif);letter-spacing:.04em}
.island-card-copy h3{font-size:30px;margin:8px 0 16px}
.island-card-copy p{font-size:14px;color:var(--muted,#68615b)}
.island-feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.island-feature-tags span{padding:5px 10px;background:#f6eee9;color:#83381f;border-radius:6px;font-size:11px}
.island-card-copy .island-download-caveat{font-size:12px;line-height:1.8;color:#68615b}
.island-card-actions{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.island-detail-link{font-size:12px;color:#83381f;text-decoration:underline;text-underline-offset:4px}
.island-page{background:#fbfaf8;color:#252321;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",sans-serif;font-size:15px;line-height:1.8;margin:0}
.island-page *{box-sizing:border-box}
.island-page a{color:#a4482c;text-underline-offset:4px}
.island-page .island-nav{max-width:1080px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:26px 28px;border-bottom:1px solid #e7e1da}
.island-page .island-nav a{font-size:14px;text-decoration:none}
.island-page main{max-width:1040px;padding:64px 28px 80px;margin:auto}
.island-page h1{font-size:clamp(36px,6vw,62px);line-height:1.2;margin:8px 0 18px;font-weight:650;letter-spacing:-.04em}
.island-page h2{font-size:23px;line-height:1.4;margin:0 0 20px}
.island-page h3{font-size:16px;margin:0 0 8px}
.island-page p{margin:0 0 14px}
.island-page .island-hero{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:50px;align-items:center;margin-bottom:52px}
.island-page .island-hero img{width:210px;height:210px}
.island-page .island-lead{font-size:18px;color:#68615b;max-width:38em}
.island-page .island-release-meta{font-size:12px;color:#68615b;margin:15px 0}
.island-page .island-download{display:inline-flex;gap:32px;align-items:center;background:#171513;color:#fff;text-decoration:none;padding:15px 23px;border-radius:10px;font-weight:600;margin:12px 0}
.island-page .island-warning{border-left:3px solid #d97757;background:#f3e9e2;padding:20px 24px;border-radius:0 10px 10px 0;font-size:13px;color:#5e473b;margin:24px 0 44px}
.island-page .island-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:52px}
.island-page .island-feature{padding:26px;background:#fff;border:1px solid #e7e1da;border-radius:14px}
.island-page .island-feature p{font-size:14px;color:#68615b;margin:0}
.island-page .island-section{padding:32px 0;border-top:1px solid #e7e1da}
.island-page ul,.island-page ol{padding-left:22px;margin:0}
.island-page li{padding:4px 0}
.island-page footer{border-top:1px solid #e7e1da;padding:24px 28px;text-align:center;color:#68615b;font-size:12px}
@media(max-width:1000px){.island-download-card{grid-template-columns:112px 1fr}.island-app-icon{width:112px;height:112px}.island-card-actions{grid-column:2;flex-direction:row;align-items:center;flex-wrap:wrap}}
@media(max-width:620px){.island-download-card{grid-template-columns:1fr;gap:18px;padding:24px}.island-card-actions{grid-column:auto;align-items:flex-start;flex-direction:column}.island-card-copy h3{font-size:27px}.island-page .island-hero{grid-template-columns:1fr;gap:24px}.island-page .island-hero img{grid-row:1;width:128px;height:128px}.island-page .island-grid{grid-template-columns:1fr}.island-page main{padding:38px 22px 60px}}