:root{--bg:#F3F6F9;--surface:#fff;--soft:#E8EEF5;--ink:#0B1220;--text:#1E293B;--muted:#475569;--subtle:#64748B;--blue:#2563EB;--blue2:#60A5FA;--blue3:#1D4ED8;--lime:#65A30D;--slate:#334155;--line:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--radius:18px;--shell:1180px;--headerH:136px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(calc(100% - 32px),var(--shell));margin:0 auto}.site-header{position:fixed;inset:0 0 auto;z-index:80}.status-bar{height:32px;background:var(--slate);color:#fff}.status-inner{height:32px;display:flex;align-items:center;justify-content:space-between;font-size:13px}.status-brand{font-weight:700;letter-spacing:.04em}.text-action{border:0;background:transparent;color:#fff;min-height:32px;padding:0 4px}.text-action:hover,.text-action:focus-visible{text-decoration:underline}.command-bar{height:60px;background:#fff;border-bottom:1px solid var(--line)}.command-inner{height:60px;display:grid;grid-template-columns:90px 1fr 110px;align-items:center}.square-menu{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center}.square-menu span{width:18px;height:2px;background:var(--ink);border-radius:2px}.command-logo{justify-self:center;display:flex;align-items:center;min-height:44px}.command-logo img{display:block;max-height:32px;max-width:180px;width:auto}.command-logo strong{font-size:22px;letter-spacing:.04em;color:var(--ink)}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:999px;background:linear-gradient(135deg,var(--blue2) 0%,var(--blue) 52%,var(--blue3) 100%);color:#fff;font-weight:700}.desktop-tabs{height:44px;background:#fff;border-bottom:1px solid var(--line)}.tabs-inner{height:44px;display:grid;grid-template-columns:repeat(6,1fr);align-items:stretch}.tabs-inner 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p{max-width:800px;margin:14px 0 22px}.button-row{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;font-weight:700}.btn-primary{background:linear-gradient(135deg,var(--blue2) 0%,var(--blue) 52%,var(--blue3) 100%);color:#fff}.btn-secondary{background:#fff;color:var(--blue);border:1px solid rgba(37,99,235,.35)}.btn:hover,.btn:focus-visible,.app-link:hover,.app-link:focus-visible{outline:3px solid rgba(37,99,235,.18);outline-offset:2px}.hero-media,.wide-media{padding:0 36px 36px}.hero-media img,.wide-media img,.card-media img,.feature-media img{display:block;width:100%;height:auto;max-height:340px;object-fit:contain;border-radius:16px}.media-placeholder{width:100%;height:260px;border-radius:16px;background:linear-gradient(135deg,#E8EEF5,#F8FAFC);border:1px dashed rgba(37,99,235,.24)}.small-placeholder{height:170px}.section{margin:34px 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.mosaic-menu{visibility:visible;opacity:1;pointer-events:auto;transform:none}.mosaic-head{min-height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.mosaic-brand{display:flex;align-items:center;gap:12px}.mosaic-brand img{max-height:32px;max-width:150px}.mosaic-brand strong{display:block;color:var(--ink)}.mosaic-brand small{display:block;color:var(--subtle)}.close-button{min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--blue);font-weight:700}.mosaic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:24px;padding-bottom:40px}.mosaic-group{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:8px}.mosaic-group h2{margin:0 0 4px;font-size:15px;color:var(--blue)}.mosaic-group a{display:block;padding:12px;border-radius:13px;background:var(--bg);min-height:72px}.mosaic-group a:hover,.mosaic-group a:focus-visible{outline:2px solid rgba(37,99,235,.22)}.mosaic-group strong{display:block;color:var(--ink)}.mosaic-group span{display:block;margin-top:2px;color:var(--muted);font-size:13px;line-height:1.55}.search-layer{position:fixed;top:136px;left:0;right:0;z-index:99;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.2s}.search-open .search-layer{visibility:visible;opacity:1;pointer-events:auto;transform:none}.search-card{width:min(calc(100% - 32px),900px);margin:16px auto;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 22px 70px rgba(11,18,32,.22);padding:24px}.search-card-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.search-card-head small{color:var(--blue);font-weight:800}.search-card-head h2{margin:2px 0 0;color:var(--ink);font-size:22px}.search-look{margin-top:20px;min-height:52px;border:1px solid var(--line);border-radius:14px;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:0 16px;color:var(--subtle)}.search-look b{color:var(--blue)}.preset-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.preset-links a{display:inline-flex;min-height:40px;align-items:center;padding:0 13px;border-radius:999px;background:var(--soft);color:var(--blue3);font-weight:700;font-size:14px}.layer-lock{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:900px){:root{--headerH:92px}.desktop-tabs{display:none}.site-main{padding-top:calc(var(--headerH) + 24px)}.cards-3,.maker-grid{grid-template-columns:1fr}.cards-2,.grid-4{grid-template-columns:repeat(2,1fr)}.feature-row{grid-template-columns:1fr}.mosaic-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.command-inner{grid-template-columns:72px 1fr 94px}.app-link{padding:0 12px;font-size:14px}.file-row{grid-template-columns:48px 1fr auto}.file-row>span{grid-column:2/4}.directory-row{grid-template-columns:48px 1fr auto}.directory-row p{grid-column:2/4}.topic-row{grid-template-columns:1fr auto}.topic-row p{grid-column:1/3}.search-layer{top:92px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--muted);font-size:13px;font-weight:700}.mobile-bottom a.active{color:var(--blue)}body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.site-footer{padding-bottom:36px}}
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