/* System Chinese serif fonts keep the atlas usable without external font requests. */
:root{--ink:#163946;--ink2:#41616b;--paper:#f7f8f6;--line:#dce3e1;--accent:#ac4933;--blue:#d4e1e5;--serif:'Noto Serif SC','Songti SC','SimSun',serif;--sans:system-ui,-apple-system,'Microsoft YaHei',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{border:0;background:none}::selection{background:#e2c2b5}.site-header{height:104px;padding:0 4.2%;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:50px;background:#fff}.brand{display:flex;align-items:center;gap:15px;font-family:var(--serif);font-size:26px;font-weight:600;letter-spacing:3px;white-space:nowrap}.brand small{font-family:var(--sans);display:block;font-size:12px;letter-spacing:3px;color:var(--ink2);font-weight:400;margin-top:1px}.seal{background:var(--accent);color:#fff;width:43px;height:49px;display:grid;place-items:center;font-size:29px;letter-spacing:0;border:3px double #ffffffa0}.site-header nav{display:flex;gap:32px;align-self:stretch;align-items:center;margin:auto}.site-header nav a{font-size:15px;position:relative;padding:36px 0}.site-header nav a.active:after{content:'';position:absolute;height:3px;width:24px;background:var(--accent);bottom:22px;left:calc(50% - 12px)}.edition{font-family:var(--serif);font-size:14px;letter-spacing:2px;color:var(--ink2)}.edition span{padding:0 8px}.atlas{display:grid;grid-template-columns:260px minmax(370px,1fr) 250px;min-height:690px;max-width:1700px;margin:auto;padding:42px 4.2% 26px;gap:26px}.eyebrow{font-size:12px;letter-spacing:3px;color:var(--accent);font-weight:600}.atlas-intro h1{font-family:var(--serif);font-weight:500;font-size:46px;line-height:1.55;letter-spacing:4px;margin:27px 0 23px}.atlas-intro p{color:var(--ink2);font-size:15px;line-height:1.9;max-width:230px}.small-rule{width:38px;height:1px;background:var(--accent);margin:28px 0}.statistics{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:34px}.statistics strong{display:block;font-family:var(--serif);font-size:33px;font-weight:500}.statistics small{font-size:13px;color:var(--ink2)}.map-panel{position:relative;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.map-wrap{width:100%;position:relative}.map-svg{width:100%;height:580px;overflow:visible}.map-region{fill:#ccdce1;stroke:#f7f8f6;stroke-width:2;vector-effect:non-scaling-stroke;cursor:pointer;transition:fill .18s}.map-region:nth-child(3n){fill:#bdd0d7}.map-region:nth-child(3n + 2){fill:#dce6e8}.map-region:hover,.map-region:focus,.map-region.highlight{fill:var(--accent);outline:none}.map-label{fill:#294d59;font-size:16px;font-family:var(--serif);pointer-events:none;text-anchor:middle;paint-order:stroke;stroke:#f7f8f6aa;stroke-width:3px}.map-label.small{font-size:12px}.map-north{position:absolute;right:10px;top:28px;font-size:12px;display:grid;text-align:center;line-height:1.8;color:#71858a}.map-north b{font-size:24px;font-weight:400}.map-caption{display:flex;gap:16px;justify-content:center;color:var(--ink2);font-size:12px;margin-top:5px}.map-caption i{background:var(--accent);display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px}.map-tooltip{position:absolute;pointer-events:none;top:15px;left:18px;border:1px solid var(--line);background:#ffffffed;padding:10px 16px;font-size:14px;box-shadow:0 5px 20px #1737440d;z-index:2}.city-list{padding-top:14px}.section-label{font-size:14px;display:flex;justify-content:space-between;align-items:center;margin:0 0 14px;font-weight:500}.section-label small{font-size:12px;color:#7d9196;font-weight:400}.city-link{display:flex;align-items:center;gap:12px;padding:12px 2px;border-bottom:1px solid var(--line);transition:color .2s}.city-link:hover{color:var(--accent)}.city-link .ordinal{font-family:var(--serif);font-size:12px;color:#8b9ea2;min-width:20px}.city-link .name{font-family:var(--serif);font-size:18px;letter-spacing:1px}.city-link .count{margin-left:auto;font-size:12px;color:#75898d}.city-link .arrow{color:var(--accent);font-size:16px}.list-note{font-size:12px;color:#75898d;margin-top:18px;line-height:1.8}.site-footer{border-top:1px solid var(--line);padding:22px 4.2%;display:flex;justify-content:space-between;gap:15px;color:#789095;font-size:12px}.site-footer>span:first-child{font-family:var(--serif);font-size:14px;letter-spacing:2px}.site-footer a{margin-left:22px}.loading{padding:130px;text-align:center}.skip-link{position:absolute;top:-100px;left:10px;background:#fff;padding:10px;z-index:50}.skip-link:focus{top:10px}.back-link{font-size:14px;color:var(--ink2);display:inline-block;margin:16px 0}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--ink2);margin-bottom:25px}.breadcrumbs a:hover{color:var(--accent)}.page-shell{max-width:1400px;margin:auto;padding:38px 4.2% 70px}.page-shell h1{font-family:var(--serif);font-weight:500;font-size:38px;letter-spacing:2px;margin:12px 0}.page-lead{color:var(--ink2);max-width:760px}.placeholder{padding:70px;min-height:450px}.pill{display:inline-block;border:1px solid var(--line);font-size:12px;padding:3px 9px;white-space:nowrap}.pill.red{border-color:#d9b4a9;color:var(--accent);background:#fbf2ed}.empty-state{padding:50px 20px;text-align:center;color:var(--ink2)}.error-box{max-width:700px;margin:90px auto;padding:35px;border:1px solid var(--line)}
@media(min-width:1500px){.atlas{grid-template-columns:290px minmax(480px,1fr) 270px;padding-top:56px;min-height:780px}.map-svg{height:650px}}@media(max-width:1100px){.atlas{grid-template-columns:210px minmax(300px,1fr) 190px;gap:15px}.atlas-intro h1{font-size:37px}.map-svg{height:550px}.site-header{gap:25px}.edition{display:none}}@media(max-width:800px){.site-header{height:88px;padding:0 5%;gap:20px}.brand{font-size:21px;gap:10px}.brand small{font-size:10px;letter-spacing:1px}.seal{width:34px;height:41px;font-size:25px}.site-header nav{gap:18px;margin-left:auto;margin-right:0}.site-header nav a{font-size:13px}.site-header nav a:last-child{display:none}.atlas{grid-template-columns:1fr;gap:10px;padding:25px 6%}.atlas-intro h1{font-size:31px;line-height:1.4;margin:12px 0;letter-spacing:2px}.atlas-intro h1 br{display:none}.atlas-intro p{max-width:100%;font-size:14px;margin:10px 0}.atlas-intro .small-rule{display:none}.statistics{display:flex;margin:15px 0;gap:35px}.statistics strong{font-size:25px;display:inline;margin-right:6px}.statistics small{font-size:12px}.map-svg{height:480px}.city-list{padding-top:25px}.city-links{display:grid;grid-template-columns:repeat(2,1fr);column-gap:24px}.map-caption{font-size:11px;flex-wrap:wrap;gap:5px}.city-link{padding:12px 0}.city-link .name{font-size:17px}.site-footer{flex-direction:column;gap:8px;padding:20px 6%}.site-footer a{margin-left:10px}.page-shell{padding:25px 6% 45px}.page-shell h1{font-size:30px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}