:root{--paper:#f5f5ef;--card:#fffefa;--ink:#23352e;--muted:#72786f;--line:#dce0d4;--green:#315442;--soft:#e8ecdf;--accent:#b87945;--radius:15px;font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.65}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #a6be9b;outline-offset:4px}svg{display:block}img{max-width:100%;display:block}::selection{background:#cfddbd}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.3;letter-spacing:-.035em}h1{font-weight:600}h2{font-size:26px;font-weight:600}h3{font-size:18px;font-weight:600}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.site-header{background:rgba(245,245,239,.96);border-bottom:1px solid 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var(--line);border-radius:13px;padding:25px}.download-card h2{font-size:19px;margin:0 0 10px}.download-card p{font-size:13px;color:var(--muted);min-height:42px}.download-card footer{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#8a937f}.about-copy{max-width:740px;padding-bottom:45px}.about-copy p{font-size:15px;line-height:2;color:#68745f}.about-copy h2{margin-top:35px;font-size:24px}.about-copy a{color:var(--green);border-bottom:1px solid #bfcdb3}.collection-intro{display:flex;gap:25px;align-items:center;background:#e8ede0;border-radius:15px;padding:25px;margin-bottom:25px}.collection-intro p{margin:0;color:#6e7d62;font-size:13px}.collection-index-list{display:grid;gap:14px;margin-top:20px}.collection-note{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:19px}.collection-note .number{font:12px ui-monospace,monospace;color:#97a18b}.collection-note h3{font-size:15px;margin:0 0 5px}.collection-note p{font-size:12px;color:var(--muted);margin:0}.spacer{height:40px}[hidden]{display:none!important}
@media(min-width:1500px){.hero{padding-top:75px;padding-bottom:60px}}
@media(max-width:1000px){.wrap{width:calc(100% - 44px)}.header-row{gap:20px}.nav{margin-left:10px;gap:20px}.search-link kbd{display:none}.hero{gap:30px}.hero h1{font-size:42px}.resource-grid{grid-template-columns:repeat(2,1fr)}.topic-strip{grid-template-columns:repeat(4,1fr)}.topic-tile{padding:13px 10px;gap:7px}.topic-symbol{width:29px;height:29px}.collection-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:minmax(0,1fr) 180px;gap:35px}.note-art{height:120px}}
@media(max-width:700px){.wrap{width:calc(100% - 32px)}.header-row{min-height:112px;flex-wrap:wrap;gap:0;padding-top:17px}.brand{font-size:21px}.brand-mark{width:30px;height:30px}.header-actions{gap:11px}.search-link{padding:7px 9px;font-size:11px}.search-link svg{width:13px}.saved-link{font-size:11px}.nav{order:3;width:100%;margin:11px 0 0;justify-content:space-between;gap:15px}.nav a{padding:10px 0 15px;font-size:12px}.hero{grid-template-columns:1fr;gap:27px;padding-top:34px;padding-bottom:25px}.hero h1{font-size:39px}.hero .lead{font-size:13px;max-width:340px}.eyebrow{font-size:9px;margin-bottom:16px}.hero-actions{margin-top:21px}.hero-stats{gap:22px;margin-top:22px}.start-card{min-height:250px;padding:23px}.start-card h2{font-size:23px;margin-bottom:15px}.section{padding:25px 0}.section-head{margin-bottom:18px}.section-head h2{font-size:23px}.section-head p{font-size:11px}.section-head>a{font-size:10px}.topic-strip{grid-template-columns:repeat(2,1fr);gap:10px}.topic-tile{padding:14px 12px;gap:11px}.topic-tile h3{font-size:12px}.resource-grid,.note-grid,.all-topics,.download-grid{grid-template-columns:1fr}.resource-card{min-height:180px;padding:20px}.resource-top h3{font-size:15px}.resource-card .description{font-size:13px;margin:13px 0 16px}.note-art{height:175px}.note-card h3{font-size:18px}.note-card p{font-size:13px}.collection-grid{gap:10px}.collection{padding:18px}.collection .number{margin-bottom:17px}.collection h3{font-size:15px}.collection p{font-size:11px}.bottom-callout{align-items:flex-start;flex-direction:column;gap:18px;margin:30px 0 40px;padding:24px 0}.footer-row{align-items:flex-start;flex-direction:column;gap:17px}.footer-links{gap:18px;flex-wrap:wrap}.page-heading{padding:30px 0 18px}.page-heading h1{font-size:31px}.page-heading p{font-size:13px}.search-panel{padding:18px}.search-box input{font-size:14px}.filter-row{gap:6px}.filter-button{font-size:10px;padding:6px 9px}.result-row{font-size:10px}.article-layout{grid-template-columns:1fr;gap:0}.toc{display:none}.article{font-size:14px}.article h2{font-size:23px;margin-top:30px}.article-cover{height:190px}.collection-intro{padding:20px}.about-copy p{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}