:root{color-scheme:light;--bg:#f7f8fc;--paper:#fff;--ink:#202738;--muted:#657084;--line:#e2e6ef;--accent:#3e52d6;--blue:#3e52d6;--green:#14775e;--orange:#ab570e;--purple:#7c43b6;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a,span,p{overflow-wrap:anywhere}.skip-link{position:fixed;top:8px;left:12px;z-index:5;background:var(--ink);color:#fff;padding:12px 20px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}
.topbar{min-height:88px;max-width:1440px;margin:auto;padding:0 5%;display:flex;align-items:center;gap:36px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;font-size:29px;font-weight:800;letter-spacing:-1px}.brand-mark{display:grid;place-items:center;background:var(--ink);color:white;width:35px;height:35px;border-radius:10px;font-size:26px;line-height:1;padding-bottom:4px}.brand-dot{color:var(--accent)}.topbar-note{color:var(--muted);font-size:14px;border-left:1px solid var(--line);padding-left:28px;letter-spacing:1px}.topbar-link{margin-left:auto;font-size:14px;display:flex;gap:18px;align-items:center}.topbar-link span{font-size:21px;color:var(--accent)}
.layout{max-width:1440px;margin:auto;padding:48px 5% 0;display:grid;grid-template-columns:190px minmax(0,1fr);gap:58px}.sidebar{position:sticky;top:34px;align-self:start}.nav-label{margin:0 0 18px;font-size:14px;font-weight:650}.nav-label span{font-size:12px;color:var(--muted);font-weight:400;margin-left:8px;letter-spacing:1px}nav{display:grid;gap:6px}.nav-item{display:flex;align-items:center;padding:11px 12px;gap:10px;border-radius:8px;font-size:14px;transition:background .15s}.nav-item:hover{background:#e9ecf7;color:var(--accent)}.nav-number{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.nav-count{margin-left:auto;color:var(--muted);font-size:12px}.sidebar-note{margin-top:82px;padding-left:12px}.note-line{display:block;width:25px;height:3px;background:var(--accent);margin-bottom:19px}.sidebar-note p{font-size:18px;line-height:1.9;margin:0 0 17px;letter-spacing:1px}.sidebar-note>span:last-child{font-size:12px;letter-spacing:2px;color:var(--muted)}
main{min-width:0}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:0 0 38px;border-bottom:1px solid var(--line)}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent);font-weight:650;margin:0 0 14px}h1{font-size:clamp(30px,3vw,42px);line-height:1.45;letter-spacing:-1px;margin:0;font-weight:750}h1 span{color:var(--accent)}.intro-copy{font-size:16px;color:var(--muted);margin:15px 0 0}.collection-count{display:flex;flex-direction:column;align-items:flex-end;flex-shrink:0;padding-bottom:4px}.collection-count strong{font-size:70px;letter-spacing:-5px;line-height:1.1;font-weight:350;color:var(--accent);font-variant-numeric:tabular-nums}.collection-count span{font-size:12px;color:var(--muted);margin-top:10px}.category{padding-top:32px;scroll-margin-top:20px;--category-color:var(--blue)}.category.green{--category-color:var(--green)}.category.orange{--category-color:var(--orange)}.category.purple{--category-color:var(--purple)}.section-head{display:flex;align-items:baseline;gap:12px;margin-bottom:17px}.section-number{color:var(--category-color);font-size:13px;letter-spacing:1px}h2{margin:0;font-size:20px;letter-spacing:.3px}.section-head p{color:var(--muted);font-size:14px;margin:0 0 0 auto}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:23px 24px;min-width:0;transition:border-color .18s,transform .18s,box-shadow .18s}.card:hover{border-color:var(--category-color);transform:translateY(-3px);box-shadow:0 8px 22px #20273808}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px;gap:12px}.card-mark{min-width:40px;height:40px;padding:0 7px;border-radius:10px;background:#f0f2fd;color:var(--category-color);display:grid;place-items:center;font-weight:700;font-size:21px;letter-spacing:-1px}.green .card-mark{background:#edf6f2}.orange .card-mark{background:#fff4e9}.purple .card-mark{background:#f4eefd}.card-label{font-size:12px;letter-spacing:.5px;color:var(--muted)}.card h3{font-size:18px;font-weight:650;line-height:1.55;margin:0 0 9px;letter-spacing:-.25px}.card p{font-size:16px;line-height:1.8;color:var(--muted);margin:0 0 23px}.card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;color:var(--category-color);font-size:13px}.card-arrow{font-size:22px;line-height:1}.cards.single .card{max-width:none}.cards.single{grid-template-columns:1fr}.cards.single .card{display:grid;grid-template-columns:1fr auto;column-gap:24px}.cards.single .card-top{grid-column:1/-1}.cards.single .card p{max-width:620px;margin-bottom:0}.cards.single .card-bottom{grid-column:2;grid-row:2/4;align-self:center;gap:24px;margin:0}.cards.single .card h3{grid-column:1}.cards.single .card p{grid-column:1}
footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:48px;padding:26px 0 30px;color:var(--muted);font-size:12px;letter-spacing:.5px}footer>span:first-child{font-weight:650}footer>span:last-child>span{color:var(--accent);margin-left:7px}.error-page{max-width:660px;margin:15vh auto;padding:32px}.error-page h1{margin:20px 0}.error-page p{color:var(--muted)}.error-link{display:inline-block;margin-top:20px;background:var(--accent);color:white;padding:12px 24px;border-radius:8px}
@media(min-width:1500px){.layout{gap:72px}}
@media(max-width:1100px){.layout{grid-template-columns:165px minmax(0,1fr);gap:30px}.section-head{flex-wrap:wrap;row-gap:5px}.section-head p{width:100%;margin-left:29px}.collection-count strong{font-size:58px}.card{padding:21px}.collection-count span{max-width:80px;text-align:right}}
@media(max-width:800px){html{scroll-padding-top:20px}.topbar{min-height:76px;padding:0 6%;gap:20px}.topbar-note{display:none}.layout{display:block;padding:26px 6% 0}.sidebar{position:static;margin-bottom:32px}.nav-label,.sidebar-note{display:none}nav{display:flex;flex-wrap:wrap;gap:8px}.nav-item{background:var(--paper);border:1px solid var(--line);padding:8px 12px;gap:7px}.nav-count{display:none}.nav-number{font-size:12px}.intro{padding-bottom:28px}.intro-copy{font-size:14px}.collection-count strong{font-size:56px}.collection-count span{max-width:none}.category{padding-top:27px}.section-head p{margin-left:0}.cards{gap:13px}}
@media(max-width:560px){.brand{font-size:27px}.layout{padding:24px 6% 0}.nav-item{font-size:14px;padding:8px 10px}.nav-number{display:none}.sidebar{margin-bottom:29px}.intro{align-items:flex-start;gap:12px}h1{font-size:29px;letter-spacing:-.6px}.eyebrow{font-size:12px;letter-spacing:1.6px}.collection-count{padding-top:30px}.collection-count strong{font-size:45px;letter-spacing:-2px}.collection-count span{max-width:70px;font-size:12px}.intro-copy{max-width:220px;line-height:1.9}.cards{grid-template-columns:1fr}.card{padding:21px 23px}.card p{font-size:16px}.card-top{margin-bottom:13px}.section-head p{font-size:13px}.cards.single .card{display:flex}.cards.single .card p{margin-bottom:23px}.cards.single .card-bottom{align-self:stretch;margin-top:auto}footer{font-size:12px;gap:12px}.error-page h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card,.nav-item{transition:none}.card:hover{transform:none}}