/* V2: common navigation, independent pages, user directory and geography. */
.hero .hero-grid{display:flex;flex-direction:column;min-height:0;max-width:1240px;gap:26px;padding:38px 34px 44px}
.hero-copy{width:100%;max-width:1172px;text-align:center}
.hero-copy>.eyebrow{font-size:11px;letter-spacing:1.4px;margin-bottom:13px}
.hero h1{font-size:clamp(34px,4vw,56px);line-height:1.25;letter-spacing:-1.8px;text-wrap:balance}
.hero h1 span{display:inline;color:var(--red)}
.hero-lead{margin:15px auto 22px;max-width:960px;line-height:1.8;font-size:16px}
.hero-toolbar{display:flex;align-items:center;justify-content:center;gap:28px;flex-wrap:wrap}
.hero-actions{justify-content:center;gap:12px}
.hero-highlights{display:flex;flex-wrap:wrap;gap:10px 18px;list-style:none;margin:0;padding:0;color:var(--muted2);font-size:12px}
.hero-highlights li{display:flex;align-items:center;gap:7px;white-space:nowrap}
.hero-highlights li:before{content:"";width:4px;height:4px;border-radius:50%;background:#cb5c61}
.hero-video{width:100%;max-width:1000px;margin:0;border:0;border-radius:12px;overflow:hidden;background:transparent;box-shadow:none}
.hero-video video{display:block;width:100%;height:auto;aspect-ratio:8/5;max-height:none;object-fit:contain;background:transparent;border:0}
.faq-list{max-width:1000px}.faq-list details{padding:24px 0}.faq-list details p{line-height:1.9;max-width:950px}.faq-list strong{color:#30363d}.faq-list .faq-emphasis{border-left:3px solid var(--red);padding:12px 18px;background:#fff7f7;border-radius:0 8px 8px 0}
.site-stats{max-width:1320px;margin:auto;padding:8px 34px 28px;display:flex;gap:24px;flex-wrap:wrap;color:#c3c9d1;font-size:12px}
.site-stats b{font-size:16px;color:white;font-variant-numeric:tabular-nums;margin:0 4px}.site-stats small{flex-basis:100%;font-size:11px;color:#abb3bd;line-height:1.6}
@media(max-width:700px){.hero .hero-grid{padding:28px 20px 30px;gap:22px}.hero h1{font-size:clamp(27px,8vw,34px);letter-spacing:-1px}.hero h1 span{display:block}.hero-copy{text-align:left}.hero-lead{font-size:14px;line-height:1.85;margin:13px 0 18px}.hero-lead-break{display:none}.hero-toolbar{flex-direction:column;align-items:flex-start;gap:16px}.hero-actions{justify-content:flex-start}.hero-highlights{gap:9px 14px;font-size:11px}.hero-video{border-radius:8px}.site-stats{padding:8px 20px 24px;gap:12px 20px}}
.nav-wrap{max-width:1600px;gap:24px;padding:0 28px}
.brand{min-width:174px}
nav{gap:17px;flex:1;justify-content:flex-end}
nav a{font-size:12px;white-space:nowrap}
nav a[aria-current="page"]{color:var(--red);box-shadow:0 2px 0 var(--red)}
.page-intro{max-width:1320px;margin:auto;padding:82px 34px 52px;border-bottom:1px solid var(--line)}
.page-intro h1{font-size:clamp(36px,4.4vw,62px);letter-spacing:-2px;line-height:1.2;margin:0 0 22px}
.page-intro p{max-width:780px;color:var(--muted2);font-size:18px;margin:0}
.compact{padding-top:48px;padding-bottom:80px}
.inline-link{display:inline-block;color:#bc252c;font-weight:700;font-size:14px;margin:12px 0}
.data-note{font-size:13px;color:var(--muted2);margin:24px 0;line-height:1.8}
.badge{display:inline-block;background:#fff0f1;color:#b7232b;border-radius:6px;padding:5px 10px;font-size:12px;font-weight:700;margin:0 8px 8px 0}
.case-banner{background:#f8f9fa;border:1px solid var(--line);border-radius:18px;padding:28px}
.case-banner p{max-width:860px;font-size:18px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.metrics div{border-bottom:2px solid var(--red);padding:24px 0}
.metrics strong{display:block;font-size:42px;letter-spacing:-1px}
.metrics span{color:var(--muted2);font-size:14px}
.article-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(230px,1fr);gap:60px;margin-top:50px;align-items:start}
.story h2{font-size:27px;margin:40px 0 16px}.story h2:first-child{margin-top:0}
.story p{color:#555d66;line-height:1.95}
figure{margin:28px 0}figure img{width:100%;display:block;border:1px solid var(--line);border-radius:12px}figcaption{font-size:12px;color:var(--muted2);margin-top:10px}
.story-aside{background:#f8f9fa;padding:24px;border-radius:14px;position:sticky;top:104px;font-size:14px;color:var(--muted2)}
.story-aside h3{color:var(--ink)}
.filter-bar{display:flex;gap:18px;background:#f8f9fa;padding:24px;border-radius:14px;flex-wrap:wrap}
.filter-bar label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:600;flex:1;min-width:160px}
.filter-bar label:first-child{flex:2}
input[type="search"],select{width:100%;border:1px solid #cdd2d7;border-radius:8px;background:white;padding:12px;font:inherit;color:var(--ink);min-height:46px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;text-align:left;font-size:14px;min-width:750px}
th{background:#f8f9fa;font-size:12px;color:var(--muted2)}
th,td{padding:20px;border-bottom:1px solid var(--line)}
tbody tr:last-child td{border-bottom:0}
button{font:inherit;cursor:pointer;border:1px solid #cdd2d7;background:white;color:var(--ink);border-radius:8px;padding:10px 16px}
button:disabled{cursor:default;opacity:.65}
.pagination{display:flex;align-items:center;justify-content:flex-end;gap:18px;margin-top:22px;font-size:13px}
.guide{margin-top:40px;padding:28px;border:1px solid var(--line);border-radius:14px;scroll-margin-top:100px}
.guide h2{margin-top:0}.guide li{margin:12px 0;color:#555d66}
.download-card{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px;background:#f8f9fa;border:1px solid var(--line);border-radius:20px;margin-bottom:32px}
.download-card h2{font-size:40px;margin:8px 0}.download-card p{color:var(--muted2)}
.map-tabs{display:flex;gap:10px;margin-bottom:24px}
.map-tabs button[aria-pressed="true"]{background:var(--dark);color:white;border-color:var(--dark)}
.map-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(240px,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.geo-map{background:#f4f7fa;position:relative;min-height:360px;display:grid;align-items:stretch}
.user-map-chart{width:100%;min-height:360px}
.user-map-error{padding:24px;font-size:14px;color:#667385}
.map-info{padding:26px;border-left:1px solid var(--line)}
.map-info h2{font-size:24px}.map-info p{font-size:14px;color:var(--muted2)}
.map-legend{display:flex;align-items:center;gap:8px;margin-top:32px;font-size:12px;color:var(--muted2)}
.map-dot{background:var(--red);width:9px;height:9px;border-radius:50%}
#mapEmpty{position:absolute;inset:0;background:rgba(247,249,251,.88);text-align:center;align-content:center;padding:24px}
#mapEmpty p{font-size:14px;color:var(--muted2)}
.map-point{cursor:pointer}.map-point-halo{fill:#d92f3622;transition:r .15s ease}.map-point-dot{fill:#d92f36;stroke:#fff;stroke-width:2;transition:r .15s ease}.map-point-label{font-size:13px;font-weight:650;fill:#952027;pointer-events:none}.map-point:hover .map-point-dot,.map-point:focus .map-point-dot,.map-point.is-active .map-point-dot{stroke:#111418;stroke-width:2.5}.map-point.is-active .map-point-halo{fill:#d92f3640}
[hidden]{display:none!important}
/* Shared footer: signature, visit counts and official ICP link on one row. */
.footer-bottom{display:block;padding:18px 34px 24px;color:#aeb7c3}
.footer-copyright{display:block;font-size:11px;margin-bottom:12px}
.footer-meta{display:flex;align-items:baseline;justify-content:space-between;gap:12px 20px;line-height:1.9;font-size:11px}
.footer-institution{flex:1;min-width:0;text-align:left;line-height:1.9}
.footer-meta .site-stats{display:inline-block;flex-shrink:0;white-space:nowrap;max-width:none;margin:0;padding:0;border:0;font-size:11px;color:#c3c9d1}
.footer-meta .site-stats b{font-size:12px;margin:0 2px}
.footer-icp{white-space:nowrap;flex-shrink:0;color:#c3c9d1}
.footer-icp:hover{text-decoration:underline;color:#fff}
@media(max-width:1100px){.footer-meta{flex-wrap:wrap}.footer-institution{flex-basis:100%}}
@media(max-width:700px){.footer-bottom{padding-left:20px;padding-right:20px}.footer-meta{gap:8px 16px}}
@media(max-width:1380px){nav{display:none}.menu-btn{display:block;margin-left:auto}.nav-toggle:checked ~ nav{position:absolute;left:0;right:0;top:76px;z-index:60;background:white;display:flex;flex-direction:column;align-items:stretch;padding:12px 28px 20px;border-bottom:1px solid var(--line);box-shadow:0 18px 40px #0f12121a;max-height:calc(100vh - 76px);overflow:auto}.nav-toggle:checked ~ nav a{font-size:16px;padding:10px 2px;box-shadow:none}}
@media(min-width:1150px) and (max-width:1380px){nav{display:flex;gap:10px}.menu-btn{display:none}.nav-wrap{gap:16px;padding:0 20px}.brand{min-width:160px}nav a{font-size:11px}}
@media(max-width:800px){.article-layout,.map-layout{grid-template-columns:1fr}.story-aside{position:static}.map-info{border-left:0;border-top:1px solid var(--line)}.metrics strong{font-size:30px}.download-card{align-items:start;flex-direction:column;padding:24px}.page-intro{padding:48px 20px 32px}.page-intro h1{letter-spacing:-1px}.metrics{gap:12px}.metrics span{font-size:12px}.pagination{justify-content:center}.geo-map{min-height:240px}.filter-bar{padding:18px}.nav-wrap{padding:0 18px}}
.faq-list .faq-citation-note{padding:14px 18px;background:#f0f6fb;border-left:3px solid #497897;border-radius:0 8px 8px 0;color:#435c70}.faq-list .faq-citation-note strong{color:#245a7b;font-weight:750}.faq-citation-note a{display:inline-block;margin-left:8px;color:#245a7b;font-weight:600;text-decoration:underline;text-underline-offset:3px}

.brand-logo{display:block;width:52px;height:52px;object-fit:contain;flex-shrink:0}@media(max-width:600px){.brand-logo{width:46px;height:46px}}