:root{color-scheme:light;--background:#f5f5f7;--paper:#fff;--ink:#1d1d1f;--muted:#86868b;--line:#e5e5ea;--blue:#0071e3;--blue-soft:#edf5fe;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--background);color:var(--ink);font-size:14px;line-height:1.6;min-width:280px}a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.site-header{background:#ffffffed;border-bottom:1px solid #dedee3}.header-inner{max-width:1180px;height:72px;margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:9px;font-weight:650;font-size:17px;letter-spacing:-.3px}.brand img{object-fit:contain;mix-blend-mode:multiply}.header-inner nav{display:flex;gap:18px;align-items:center}.header-inner nav a{display:flex;align-items:center;gap:7px;font-size:12px;color:#6e6e73;padding:8px 12px;border-radius:9px}.header-inner nav a.nav-active{color:var(--blue);background:var(--blue-soft)}.header-inner nav svg{width:16px;height:16px}.site-shell{max-width:1100px;margin:auto;padding:32px 32px 0}.welcome-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;overflow:hidden}.hero-copy{text-align:center;padding:39px 24px 34px}.hero-brand{width:112px;height:112px;margin:0 auto 16px}.hero-logo{width:100%;height:100%;object-fit:contain}.eyebrow{font-size:11px;letter-spacing:1.9px;color:#6e6e73;margin:0 0 14px}.eyebrow span{padding:0 9px;color:#c3c3c9}h1{margin:0 0 16px;font-size:42px;line-height:1.3;letter-spacing:-1.2px;font-weight:680}h1 span{color:#6e6e73}.hero-description{white-space:pre-line;font-size:13px;line-height:1.9;color:var(--muted);margin:0}.category-section{padding:0 32px 22px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.section-heading h2{position:relative;font-weight:600;font-size:15px;letter-spacing:0;margin:0;padding-left:12px}.section-heading h2:before{content:"";position:absolute;left:0;top:5px;width:3px;height:15px;border-radius:3px;background:var(--blue)}.section-heading>span{font-size:11px;color:var(--muted)}.section-heading>span>span{font-size:15px;margin-left:5px}.category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.category-card{display:flex;align-items:center;flex-direction:column;text-align:center;position:relative;background:#fcfcfd;border:1px solid var(--line);border-radius:16px;padding:24px 10px 17px;min-width:0;transition:border-color .18s,transform .18s,box-shadow .18s,background .18s}.category-card:hover{background:#fff;border-color:#83b8ee;transform:translateY(-3px);box-shadow:0 7px 20px #0071e310}.category-image{display:flex;align-items:center;justify-content:center;width:58px;height:58px;margin-bottom:17px;border-radius:13px;overflow:hidden;background:#fff}.category-image img{display:block;width:100%;height:100%;object-fit:contain}.category-name{font-size:16px;font-weight:620;letter-spacing:-.3px;line-height:1.5}.category-description{font-size:10px;line-height:1.6;color:var(--muted);margin-top:4px;white-space:normal}.category-action{display:flex;align-items:center;gap:8px;font-size:11px;color:#6e6e73;margin-top:20px}.category-action span{display:grid;place-items:center;width:21px;height:21px;border:1px solid #dedee5;border-radius:50%;font-size:13px;transition:background .18s,color .18s}.category-card:hover .category-action{color:var(--blue)}.category-card:hover .category-action span{background:var(--blue);border-color:var(--blue);color:#fff}.category-caption{display:flex;align-items:center;justify-content:center;gap:6px;font-size:10px;color:#99999e;margin:22px 0 0}.category-caption svg{width:13px;height:13px}.utility-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}.utility-card{display:flex;align-items:center;gap:13px;border-radius:16px;background:var(--paper);border:1px solid var(--line);padding:20px 24px;transition:border-color .18s}.utility-card:hover{border-color:#a1bad4}.utility-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#f5f5f7;color:#6e6e73}.utility-icon svg{width:19px;height:19px}.utility-card strong{display:block;font-size:13px;font-weight:600}.utility-card small{display:block;font-size:11px;color:var(--muted);margin-top:2px}.utility-arrow{margin-left:auto;font-size:19px;color:#a0a0a6}.guide{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px 30px 29px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none;margin:26px 0 0;padding:0;gap:29px}.steps li{display:flex;align-items:flex-start;gap:12px}.step-number{font-size:11px;font-weight:600;color:#9b9ba1;background:#f5f5f7;border-radius:8px;display:grid;place-items:center;flex-shrink:0;width:29px;height:29px}.steps h3{font-size:12px;font-weight:600;margin:3px 0 7px}.steps p{font-size:11px;color:var(--muted);line-height:1.9;margin:0}footer{text-align:center;padding:28px 0 25px;color:#a1a1a6;font-size:10px}.footer-brand{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#6e6e73}.footer-brand img{mix-blend-mode:multiply}footer p{margin:8px 0}footer small{font-size:9px}.entry-status{padding:14px;border-radius:12px;background:var(--blue-soft);color:#396c9d;font-size:12px}.entry-status a{text-decoration:underline}.skip-link{position:fixed;top:-80px;left:12px;padding:10px;background:white;z-index:10}.skip-link:focus{top:12px}
@media(max-width:850px) and (min-width:601px){.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-card:nth-last-child(-n+2){grid-column:auto}.steps{gap:16px}.category-section{padding-inline:24px}.site-shell{padding-inline:24px}}
@media(max-width:600px){html{scroll-padding-top:20px}.header-inner{height:66px;padding:0 18px}.brand{font-size:15px;gap:5px}.brand img{width:29px;height:29px}.header-inner nav{gap:3px}.header-inner nav a{font-size:11px;padding:7px 8px}.header-inner nav .nav-active{display:none}.site-shell{padding:18px 16px 0}.welcome-card{border-radius:19px}.hero-copy{padding:27px 17px 29px}.hero-brand{width:88px;height:88px;margin-bottom:13px}.eyebrow{font-size:9px;letter-spacing:1.2px;margin-bottom:12px}.eyebrow span{padding:0 6px}h1{font-size:29px;letter-spacing:-.7px;margin-bottom:13px}.hero-description{font-size:11px;line-height:1.95}.category-section{padding:0 16px 19px}.section-heading{margin-bottom:15px}.section-heading h2{font-size:13px}.section-heading h2:before{height:13px;top:4px}.section-heading>span{font-size:10px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.category-card{padding:18px 9px 14px;border-radius:13px}.category-image{width:48px;height:48px;margin-bottom:11px;border-radius:10px}.category-name{font-size:15px}.category-description{font-size:10px;margin-top:3px}.category-action{font-size:10px;margin-top:13px;gap:7px}.category-action span{width:19px;height:19px}.category-card:last-child:nth-child(odd){grid-column:1/-1;display:grid;grid-template-columns:48px 1fr auto;grid-template-rows:auto auto;column-gap:13px;align-items:center;text-align:left;padding:16px}.category-card:last-child:nth-child(odd) .category-image{grid-row:1/3;margin:0}.category-card:last-child:nth-child(odd) .category-name{grid-column:2;align-self:end}.category-card:last-child:nth-child(odd) .category-description{grid-column:2;align-self:start}.category-card:last-child:nth-child(odd) .category-action{grid-column:3;grid-row:1/3;margin:0}.category-caption{font-size:9px;margin-top:17px;gap:4px}.utility-grid{gap:10px;margin:12px 0}.utility-card{padding:15px 12px;gap:8px;border-radius:13px}.utility-icon{width:28px;height:31px;border-radius:8px;flex-shrink:0}.utility-icon svg{width:17px;height:17px}.utility-card strong{font-size:11px}.utility-card small{font-size:9px;line-height:1.6}.utility-arrow{display:none}.guide{padding:21px 19px 23px;border-radius:16px}.guide>.section-heading>span{font-size:9px}.steps{grid-template-columns:1fr;gap:21px;margin-top:22px}.steps li{gap:12px}.steps h3{font-size:12px;margin-bottom:5px}.steps p{font-size:11px}.step-number{width:28px;height:28px}footer{padding-top:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(min-width:601px){.category-grid.many-categories{grid-template-columns:repeat(3,minmax(0,1fr))}}