@import "https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,200;1,200&display=swap";:root{--bg:#fff;--text:#1b1b1f;--muted:#6f717a;--line:#e6e7ea;--topbar:#000;--topbarText:#ffffffe0;--topbarSubtle:#ffffffa6;--notice:#0b5ea8;--noticeText:#ffffffeb;--cardBg:#fff;--radius:10px;--max:1240px;--sans:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;--logo-font:"Montserrat", var(--sans);font:16px/1.5 var(--sans);color:var(--text);background:var(--bg);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0}.back-link{color:#0000009e;font-size:16px;font-weight:500;text-decoration:none}.back-link:hover{text-decoration:underline}.alert{border:1px solid var(--line);color:#000000c7;background:#fff;border-radius:10px;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;padding:10px 12px;font-size:14px;line-height:1.45;display:flex}.alert strong{font-weight:700}.alert.success{background:#16a34a0f;border-color:#16a34a3d}.alert.error{background:#ef44440f;border-color:#ef44443d}.alert-text{padding-top:1px}.alert-close{color:#0000008c;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:2px 6px;font-size:16px;line-height:1}.alert-close:hover{color:#000000bf;background:#0000000f}.alert-close:focus-visible{outline-offset:2px;outline:2px solid #00000038}.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:24px}.topbar{background:var(--topbar);color:var(--topbarText);padding-bottom:38px;position:relative}.topbar-inner{z-index:2;justify-content:space-between;align-items:center;padding:18px 0 14px;display:flex;position:relative}.brand{letter-spacing:.2px;color:var(--topbarText);align-items:baseline;gap:12px;text-decoration:none;display:flex}.brand:visited{color:var(--topbarText)}.brand:hover{text-decoration:none}.brand:focus-visible{outline-offset:4px;border-radius:10px;outline:2px solid #ffffff8c}.brand-name{font-family:var(--logo-font);letter-spacing:.1px;color:inherit;text-transform:uppercase;font-weight:100}.brand-sub{color:#ffffffad;font-weight:200}.topbar-nav{align-items:center;gap:22px;font-size:14px;display:flex}.topbar-link{color:var(--topbarText);white-space:nowrap;text-decoration:none}.topbar-link.subtle{color:var(--topbarSubtle)}.topbar-link:hover{text-decoration:underline}.hero{z-index:2;justify-content:center;padding:26px 0 8px;display:flex;position:relative}.hero-search{background:#fff;border-radius:999px;align-items:center;gap:12px;width:min(860px,100%);height:56px;padding:0 18px;display:flex;box-shadow:0 18px 45px #00000040}.search-ic{color:#0000008c;width:22px;height:22px;display:inline-flex}.search-ic svg{width:22px;height:22px}.search-input{border:0;outline:0;width:100%;font-size:16px}.search-input::placeholder{color:#00000073}.hero-bg{z-index:1;position:absolute;inset:0;overflow:hidden}.notice{background:var(--notice);color:var(--noticeText);border-top:1px solid #ffffff29;border-bottom:1px solid #0000000f}.notice-inner{text-align:center;padding:10px 0;font-size:13px}.notice-link{color:#fffffff2;text-decoration:underline}.cards{border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--cardBg);grid-template-columns:repeat(3,1fr);display:grid}.card{text-align:center;border-top:1px solid var(--line);border-right:1px solid var(--line);cursor:pointer;outline:none;padding:44px 26px 40px}.card:nth-child(3n){border-right:0}.card:hover{background:#fbfbfc}.card:focus-visible{box-shadow:inset 0 0 0 3px #0000001a}.card-ic{color:#000000b8;width:48px;height:48px;margin:0 auto 18px}.card-ic svg{width:48px;height:48px}.card-title{letter-spacing:.2px;margin:0 0 8px;font-size:16px}.card-sub{color:var(--muted);max-width:320px;margin:0 auto;font-size:13px}.promoted{border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fafafa;padding:26px 0 34px}.promoted-title{letter-spacing:.2px;color:#2a2a2f;margin:0;padding:16px 22px 12px;font-size:13px}.promoted-grid{grid-template-columns:repeat(3,1fr);gap:14px;padding:0 22px;display:grid}.promoted-col{color:var(--muted);margin:0;padding:0;font-size:13px;list-style:none}.promoted-col li{padding:8px 0}.promoted-link{color:#000000c7;text-decoration:none}.promoted-link:hover{text-decoration:underline}.promoted-link:before{content:"›";color:#00000073;padding-right:8px}.footer{border-left:1px solid var(--line);border-right:1px solid var(--line);background:#fff}.footer-inner{color:#000000a6;justify-content:space-between;align-items:center;gap:16px;padding:14px 22px;font-size:13px;display:flex}.footer-left{flex-direction:column;gap:4px;min-width:0;display:flex}.footer-brand{color:#000000b8}.footer-authors{color:#00000085;font-size:12px;line-height:1.35}.footer-right{flex-shrink:0;align-items:center;gap:12px;display:flex}.footer-github{color:#000000b8;background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;width:34px;height:34px;text-decoration:none;transition:background .15s,color .15s;display:inline-flex}.footer-github:hover{color:#000000e0;background:#0000000d}.footer-github:focus-visible{outline-offset:2px;outline:2px solid #00000038}.footer-github svg{display:block}.footer-mid{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.footer-link{color:#000000b8;text-decoration:none}.footer-link:hover{text-decoration:underline}.footer-lang{color:#000000b8;cursor:pointer;background:0 0;border:0;padding:0}.footer-dot{color:#00000059}.help-fab{color:#ffffffeb;cursor:pointer;background:#000000e0;border:0;border-radius:999px;padding:12px 16px;font-size:13px;position:fixed;bottom:18px;right:18px;box-shadow:0 16px 35px #00000047}.help-fab:hover{filter:brightness(1.05)}.help-dialog{border:0;border-radius:14px;width:min(520px,100% - 32px);padding:0;box-shadow:0 30px 80px #00000059}.help-dialog::backdrop{background:#00000073}.help-card{padding:14px 14px 12px}.help-head{justify-content:space-between;align-items:center;gap:10px;padding-bottom:10px;display:flex}.help-close{cursor:pointer;color:#000000a6;background:0 0;border:0;font-size:14px}.help-text{color:#000000a6;margin:0;font-size:14px}.help-input{border:1px solid var(--line);width:100%;min-height:120px;font:14px/1.5 var(--sans);border-radius:10px;outline:none;margin-top:10px;padding:10px}.help-input:focus{border-color:#0b5ea873;box-shadow:0 0 0 3px #0b5ea82e}.help-actions{justify-content:flex-end;gap:10px;margin-top:12px;display:flex}.help-primary,.help-secondary{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:999px;padding:10px 14px;font-size:13px}.help-primary{color:#ffffffeb;background:#000000e6;border-color:#000c}.help-primary:hover{filter:brightness(1.05)}@media (width<=980px){.cards{grid-template-columns:1fr 1fr}.card:nth-child(3n){border-right:1px solid var(--line)}.card:nth-child(2n){border-right:0}.promoted-grid{grid-template-columns:1fr}}@media (width<=560px){.wrap{padding-inline:12px}.topbar-nav{gap:12px}.brand-sub{display:none}.cards{grid-template-columns:1fr}.card{border-right:0}.footer-inner{flex-direction:column}}