:root{--ink:#213f43;--jade:#8eb5a8;--red:#ac493e;--paper:#f7f5ef;--line:#d8ded7;--muted:#5b706f}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:4px}button{cursor:pointer}button:disabled{cursor:default}.site-head,main,footer{width:min(1320px,100% - 80px);margin:auto}.site-head{min-height:98px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font-weight:650;text-decoration:none;display:flex;align-items:center;gap:12px;letter-spacing:2px}.brand-dot{display:block;width:14px;height:18px;background:var(--red);border-radius:46% 40% 44% 35%;transform:rotate(-8deg)}.brand-roman{font-size:11px;letter-spacing:2px;font-weight:500;margin-left:12px}.quiet-link{text-underline-offset:6px;font-size:14px}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;padding:78px 0 72px}.eyebrow{font-size:12px;font-weight:650;letter-spacing:2px;color:var(--muted);margin:0 0 20px}.hero h1{font-family:"Songti SC","Noto Serif SC",serif;font-size:clamp(42px,4.9vw,68px);font-weight:500;line-height:1.25;letter-spacing:1px;margin:0 0 28px}.intro{max-width:490px;color:var(--muted);margin:0 0 30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{padding:12px 20px;border:1px solid var(--ink);text-decoration:none;display:inline-flex;align-items:center;justify-content:space-between;gap:18px;font-size:14px;min-height:48px;border-radius:3px}.button.primary{background:var(--ink);color:white}.button:hover{background:#e4ece5}.button.primary:hover{background:#36595c}.subtle{font-size:12px;color:var(--muted)}.hero-mark{margin:0;position:relative}.hero-mark:before{content:"";position:absolute;inset:9px -12px -12px 9px;border:1px solid #ccd8cf;z-index:-1}.hero-mark img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain}.hero-mark figcaption{font-size:12px;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:16px 0 0}.hero-mark figcaption span{color:var(--muted)}.usage-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}.usage-strip b{font-size:14px}.usage-strip p{font-size:13px;color:var(--muted);margin:6px 0 0}.library{padding:64px 0 50px}.section-heading{display:flex;justify-content:space-between;align-items:end}.section-heading .eyebrow{margin-bottom:8px}h2{font-weight:500;font-size:32px;line-height:1.3;margin:0 0 28px}.section-heading>p{font-size:13px;color:var(--muted)}.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow:auto;white-space:nowrap}.tabs button{border:0;background:none;color:var(--muted);padding:15px 0;font-weight:600;position:relative}.tabs button[aria-pressed=true]{color:var(--ink)}.tabs button[aria-pressed=true]:after{content:"";height:3px;position:absolute;bottom:0;left:0;right:0;background:var(--red)}.tabs span{font-size:10px;margin-left:5px;font-weight:400}.filter-panel{display:grid;grid-template-columns:1.65fr 1fr 1.2fr 1fr auto;gap:14px;align-items:end}.filter-panel label{display:grid;gap:5px;font-size:12px;color:var(--muted)}input[type=search],select{border:1px solid #c7d0ca;background:#fffc;color:var(--ink);padding:11px 12px;border-radius:3px;min-width:0;width:100%;min-height:46px;font-size:14px}.reset{background:none;border:0;text-decoration:underline;text-underline-offset:4px;color:var(--muted);padding:11px 0;min-height:46px;white-space:nowrap;font-size:13px}.tab-note{font-size:13px;color:var(--muted);margin:18px 0 24px}.asset-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.asset-card{background:#fff;border:1px solid var(--line);min-width:0;transition:border-color .2s}.asset-card:hover{border-color:#8ca49c}.card-image{width:100%;height:265px;display:flex;align-items:center;justify-content:center;border:0;padding:18px;background:repeating-conic-gradient(#ecefea 0 25%,#fafbf8 0 50%) 0/18px 18px}.card-image img{display:block;width:100%;height:100%;object-fit:contain}.card-meta{padding:20px}.card-tags{font-size:11px;color:var(--muted);letter-spacing:.4px;margin:0 0 7px}.card-meta h3{font-weight:550;font-size:17px;line-height:1.5;margin:0 0 5px;overflow-wrap:anywhere}.card-size{font-size:12px;color:var(--muted);margin:0 0 16px}.card-links{display:flex;flex-wrap:wrap;gap:8px}.card-links a{border:1px solid var(--line);padding:7px 12px;text-decoration:none;border-radius:2px;font-size:12px;min-height:36px}.card-links a:hover{background:#e7f0eb}.empty{padding:70px 0;text-align:center;color:var(--muted)}.guide{display:grid;grid-template-columns:1fr 1.7fr;gap:90px;border-top:1px solid var(--line);padding:60px 0 80px}.guide h2{font-family:"Songti SC",serif;font-size:36px;line-height:1.5}.guide details{border-bottom:1px solid var(--line);padding:0 0 18px;margin:0 0 20px}.guide summary{cursor:pointer;font-size:15px}.guide details p{font-size:14px;color:var(--muted);max-width:680px}.guide .quiet-link{font-size:13px}footer{border-top:1px solid var(--line);padding:28px 0 40px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}footer b{font-weight:500}dialog{width:min(850px,calc(100% - 32px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid var(--line);padding:26px;background:var(--paper);color:var(--ink);border-radius:5px}dialog::backdrop{background:#142c30aa}.dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.dialog-head h2{font-size:23px;margin:0 0 20px}.icon-button{border:0;background:none;font-size:30px;line-height:1;min-width:42px;min-height:42px;color:var(--ink)}.preview-tools{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:15px;font-size:13px}.preview-tools label{display:flex;align-items:center;gap:10px}.preview-tools select{width:auto;min-height:36px;padding:5px}.large-preview{height:400px;display:flex;justify-content:center;align-items:center;background:repeating-conic-gradient(#e3e7e1 0 25%,#fff 0 50%) 0/20px 20px;padding:20px}.large-preview.light{background:#fff}.large-preview.dark{background:#213f43}.large-preview img{max-width:100%;max-height:100%;object-fit:contain}.large-preview img.crop{border-radius:50%}.dialog-downloads{display:flex;flex-wrap:wrap;gap:10px}.dialog-downloads a{font-size:13px;text-underline-offset:5px}[hidden]{display:none!important}@media(max-width:1000px){.hero{gap:40px}.brand-roman{display:none}.filter-panel{grid-template-columns:2fr 1fr 1fr}.search{grid-column:1/3}.asset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide{gap:40px}}@media(max-width:640px){.site-head,main,footer{width:calc(100% - 36px)}.site-head{min-height:76px}.brand{font-size:15px;letter-spacing:1px}.quiet-link{font-size:12px}.hero{grid-template-columns:1fr;padding:40px 0;gap:35px}.hero h1{font-size:40px;letter-spacing:0}.hero-mark{max-width:420px;width:100%;margin:auto}.hero-mark:before{display:none}.hero-actions .button{padding:12px 15px;font-size:13px}.usage-strip{grid-template-columns:1fr;gap:20px}.library{padding-top:40px}.section-heading{align-items:start;gap:10px}.section-heading h2{font-size:27px}.section-heading>p{font-size:11px}.tabs{gap:20px}.tabs button{font-size:13px}.filter-panel{grid-template-columns:1fr 1fr}.search{grid-column:1/-1}.filter-panel .reset{justify-self:start}.asset-grid{grid-template-columns:1fr;gap:18px}.card-image{height:290px}.card-meta{padding:18px}.guide{grid-template-columns:1fr;gap:12px;padding:40px 0}.guide h2 br{display:none}.guide h2{font-size:30px}footer{flex-direction:column;gap:8px}.large-preview{height:300px;padding:10px}.preview-tools{align-items:start;flex-direction:column}dialog{padding:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}