:root{color:#1d2430;background:#f6f2ea;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(135deg,rgba(58,123,213,.08),transparent 32%),linear-gradient(315deg,rgba(31,111,84,.1),transparent 34%),#f6f2ea}button,input{font:inherit}.page-shell{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:34px 0 44px}.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;color:#3a6658;font-size:16px;font-weight:700}h1{margin:0;color:#17202c;font-size:54px;line-height:1;letter-spacing:0}.subtitle{max-width:620px;margin:16px 0 0;color:#5b6472;font-size:20px;line-height:1.55}.count-panel{display:grid;min-width:118px;min-height:96px;place-items:center;padding:14px 18px;border:1px solid rgba(29,36,48,.1);border-radius:8px;background:#ffffff9e;box-shadow:0 18px 48px #1f263414}.count-panel span{font-size:38px;font-weight:800;line-height:1}.count-panel small{color:#657080;font-size:15px;font-weight:700}.controls{position:sticky;top:0;z-index:3;display:grid;grid-template-columns:minmax(260px,410px) 1fr;gap:14px;align-items:center;padding:12px 0 18px;margin-bottom:8px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.search-box{display:flex;align-items:center;gap:12px;min-height:58px;padding:0 17px;border:1px solid rgba(29,36,48,.13);border-radius:8px;background:#ffffffc7;color:#657080;box-shadow:0 14px 36px #1f263412}.search-box input{width:100%;border:0;outline:0;background:transparent;color:#1d2430;font-size:18px}.search-box input::placeholder{color:#8992a0}.category-tabs{display:flex;gap:10px;overflow-x:auto;padding:2px}.category-tabs button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:54px;min-width:92px;flex:0 0 auto;padding:0 17px;border:1px solid rgba(29,36,48,.13);border-radius:8px;background:#ffffff9e;color:#445062;cursor:pointer;font-size:16px;font-weight:800}.category-tabs button.active{border-color:#1d2430;background:#1d2430;color:#fff}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(224px,1fr));gap:16px}.nav-card{position:relative;display:grid;min-height:192px;padding:22px;overflow:hidden;border:1px solid rgba(29,36,48,.11);border-radius:8px;background:#ffffffbd;color:inherit;text-decoration:none;box-shadow:0 18px 48px #1f263417;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.nav-card:hover,.nav-card:focus-visible{transform:translateY(-3px);border-color:#1d243040;box-shadow:0 24px 64px #1f263424;outline:0}.card-accent{position:absolute;inset:0 auto 0 0;width:7px}.icon-wrap{display:grid;width:58px;height:58px;place-items:center;border-radius:8px;background:#1d24300f}.card-main{align-self:end;display:grid;gap:8px;min-width:0}.card-main strong{color:#17202c;font-size:25px;line-height:1.15;letter-spacing:0;overflow-wrap:anywhere}.card-main span{color:#657080;font-size:16px;line-height:1.45}.card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;color:#516071;font-size:15px;font-weight:800}.empty-state{display:flex;align-items:center;justify-content:center;gap:10px;min-height:160px;color:#657080;font-size:18px;font-weight:700}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:820px){.page-shell{width:min(100% - 28px,720px);padding-top:24px}.hero{align-items:flex-start}h1{font-size:44px}.subtitle{font-size:18px}.controls{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nav-card{min-height:184px}}@media(max-width:560px){.page-shell{width:min(100% - 24px,480px)}.hero{display:grid}.count-panel{display:none}h1{font-size:38px}.grid{grid-template-columns:1fr}.nav-card{min-height:156px}}