/* HAI JIAO: bright, editorial, legible, responsive. */
:root{--brand:#1677ee;--lightbrand:#3395ff;--darkbrand:#075fc6;--navy:#0a315e;--ink:#16243a;--text:#3c485a;--secondary:#6b7787;--fog:#f7faff;--ice:#edf5ff;--muted:#e5f1ff;--line:rgba(22,119,238,.12);--shadow:0 12px 34px rgba(30,72,120,.08);--width:1320px;--header-h:74px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;min-width:0;background:#fff;color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:clip}
body.panel-open{overflow:hidden;touch-action:none}
img{display:block;max-width:100%;height:auto;object-position:center}
a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ffbd42;outline-offset:3px}
button,input{font:inherit}button{cursor:pointer}p{margin:.6em 0 1em}h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);font-weight:760}h1{letter-spacing:-.045em}h2{letter-spacing:-.03em}h3{letter-spacing:-.01em}h2{font-size:clamp(24px,2.35vw,33px)}h3{font-size:clamp(17px,1.6vw,22px)}strong,b{color:inherit}small{font-size:13px}::selection{background:#d9ebff;color:#0a315e}
.container{width:min(var(--width),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:110;width:100%;min-width:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 28px rgba(22,64,110,.06)}
.topbar{min-height:var(--header-h);display:flex;align-items:center;gap:clamp(12px,1.8vw,30px)}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;flex-shrink:0;color:var(--navy);font-weight:800;font-size:20px;line-height:1.2}
.brand:hover{color:var(--brand)}.brand-logo{height:38px;max-width:126px;width:auto;object-fit:contain}.brand-crest{display:flex;width:32px;height:32px;align-items:center;justify-content:center;flex-shrink:0;border-radius:10px;background:linear-gradient(145deg,#379dff,#0a5cb3);color:white;font-size:16px;font-weight:800}.brand-logo + .brand-crest{display:none}
.primary-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0;white-space:nowrap}.primary-nav a{padding:10px clamp(7px,1vw,15px);font-size:14px;font-weight:630;color:#35465a;border-radius:8px;min-height:44px;display:flex;align-items:center}.primary-nav a:hover,.primary-nav a[aria-current=page]{background:#edf5ff;color:var(--brand)}
.header-tools{display:flex;align-items:center;gap:3px;margin-left:auto}.hot-link{font-size:14px;display:flex;align-items:center;justify-content:center;min-width:44px;height:44px;font-weight:650;color:#35465a}.hot-link:hover,.hot-link[aria-current=page]{color:var(--brand)}
.icon-btn{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;background:none;color:#243e5a;padding:8px;border-radius:9px;font-size:14px;font-weight:650}.icon-btn:hover{background:var(--ice);color:var(--brand)}.tool-word{white-space:nowrap}.app-link{min-height:44px;display:flex;align-items:center;justify-content:center;padding:0 13px;color:#fff;background:linear-gradient(135deg,#3998ff,#1677ee 55%,#075fc6);font-size:14px;font-weight:720;border-radius:9px}.app-link:hover{color:#fff;filter:brightness(1.08)}
.search-glyph{width:18px;height:18px;border:2.2px solid currentColor;border-radius:50%;display:inline-block;position:relative;transform:scale(.86)}.search-glyph::after{content:"";width:8px;height:2.2px;background:currentColor;position:absolute;right:-7px;bottom:-3px;transform:rotate(45deg);border-radius:3px}.hamburger{display:grid;gap:4px;width:19px}.hamburger i{width:19px;height:2px;border-radius:2px;background:currentColor;display:block}
.site-main{min-height:38vh}.page-section{padding:56px 0}.page-section.alt{background:var(--fog)}.page-section.tint{background:var(--ice)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.section-heading .label,.eyebrow{font-weight:800;letter-spacing:.17em;color:var(--brand);font-size:12px;text-transform:uppercase}.section-heading h2{margin-top:7px}.section-heading p{max-width:680px;margin:8px 0 0;color:var(--secondary)}.section-heading>a,.text-link{color:var(--brand);font-size:14px;font-weight:760;white-space:nowrap}.text-link::after{content:' →'}.section-heading>a:hover,.text-link:hover{text-decoration:underline}
.pill{display:inline-flex;align-items:center;padding:5px 12px;font-size:12px;font-weight:720;background:var(--ice);border-radius:999px;color:var(--darkbrand);letter-spacing:.02em}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-size:15px;line-height:1.2;font-weight:720;white-space:nowrap;transition:filter .18s,transform .18s}.btn:hover{transform:translateY(-2px)}.btn.primary{background:linear-gradient(135deg,#3998ff 0%,#1677ee 55%,#075fc6 100%);color:white;box-shadow:0 12px 22px rgba(22,119,238,.2)}.btn.primary:hover{color:#fff;filter:brightness(1.07)}.btn.secondary{color:var(--navy);background:white;border-color:rgba(22,119,238,.29)}.btn.secondary:hover{color:var(--brand);background:var(--ice)}.btn-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
/* Hero holds artwork without cropping the author's composition. The copy is separate. */
.hero-shell{background:linear-gradient(162deg,#f7fbff 0%,#edf5ff 62%,#fff 100%);padding-top:22px;padding-bottom:18px}
.hero-banner{width:100%;aspect-ratio:16/7;max-height:520px;border-radius:18px;overflow:hidden;position:relative;background:linear-gradient(125deg,#0e5da8 0%,#1677ee 38%,#a9dcff 87%,#f0f9ff 100%);box-shadow:0 14px 40px rgba(11,83,156,.13)}
.hero-banner:before,.media-slot:before{content:"";position:absolute;pointer-events:none;inset:auto auto -28% -6%;height:88%;width:40%;border-radius:50%;background:rgba(255,255,255,.10);transform:rotate(-20deg)}
.hero-banner:after{content:"";position:absolute;pointer-events:none;width:25%;aspect-ratio:1;top:-28%;right:12%;border-radius:50%;background:rgba(255,255,255,.16);filter:blur(3px)}
.hero-banner img{position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:contain;object-position:center}.hero-fallback{position:absolute;z-index:1;left:clamp(16px,4vw,60px);bottom:clamp(16px,4vw,55px);max-width:min(560px,calc(100% - 32px));padding:25px 30px;background:rgba(7,41,79,.87);border:1px solid rgba(255,255,255,.22);border-radius:13px;box-shadow:0 18px 45px rgba(0,31,77,.13);color:white}.hero-fallback>span{display:block;color:#dceeff;font-size:13px;letter-spacing:.13em;font-weight:800}.hero-fallback strong{display:block;margin:7px 0;font-size:clamp(26px,3vw,42px);line-height:1.22;color:white;letter-spacing:-.035em}.hero-fallback small{display:block;color:#e2f2ff;font-size:14px}
.hero-copy{padding:23px 2px 8px;display:flex;justify-content:space-between;gap:28px;align-items:center}.hero-copy .hero-text{max-width:870px}.hero-copy .eyebrow{display:block;margin-bottom:6px}.hero-copy h1{font-size:clamp(34px,4.1vw,54px)}.hero-copy p{font-size:16px;line-height:1.7;margin:8px 0 0;max-width:760px}.hero-copy .btn-row{flex-shrink:0}
.quick-navigation{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-top:20px}.quick-navigation a{min-height:125px;padding:23px 20px;position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.quick-navigation a:before{content:"";width:29px;height:3px;border-radius:3px;background:var(--brand);position:absolute;top:16px}.quick-navigation strong{display:block;margin-top:8px;font-size:19px;color:var(--ink)}.quick-navigation small{display:block;line-height:1.65;font-size:13px;color:var(--secondary);margin-top:6px}.quick-navigation a:hover{border-color:rgba(22,119,238,.38);transform:translateY(-2px)}
/* Editorial sections */
.editorial-feature{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}.editorial-lead{padding:30px;min-height:325px;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;color:#fff;background:linear-gradient(128deg,#0a315e,#176fb5);border-radius:15px;position:relative;overflow:hidden}.editorial-lead:after{content:"";width:220px;height:220px;border:1px solid rgba(255,255,255,.2);border-radius:50%;position:absolute;top:-120px;right:-60px;pointer-events:none}.editorial-lead h3{color:white;font-size:clamp(25px,2.4vw,34px);margin-top:13px}.editorial-lead p{font-size:15px;color:#e0efff;max-width:600px}.editorial-lead .pill{background:rgba(255,255,255,.15);color:white}.editorial-lead a{font-size:14px;font-weight:750;color:white;text-decoration:underline;text-underline-offset:5px}.editorial-side{display:grid;grid-template-rows:1fr 1fr;gap:17px}.editorial-side a{padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff;display:flex;flex-direction:column;justify-content:space-between}.editorial-side h3{font-size:22px}.editorial-side p{margin:8px 0;color:var(--secondary);font-size:14px}
.mini-story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:17px}.mini-story-grid a{padding:17px 20px;background:var(--fog);border-radius:10px;border:1px solid var(--line)}.mini-story-grid strong{display:block;color:var(--ink);font-size:16px}.mini-story-grid span{font-size:13px;color:var(--secondary)}
.feature-split{display:grid;grid-template-columns:55fr 45fr;align-items:stretch;gap:28px}.feature-split.reverse{grid-template-columns:45fr 55fr}.feature-split>*,.card-grid>*{min-width:0}.feature-copy{padding:12px 0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.feature-copy h2{font-size:clamp(26px,2.65vw,38px)}.feature-copy p{font-size:16px;line-height:1.8}.feature-copy .text-link{margin-top:8px}
.media-slot{position:relative;overflow:hidden;min-width:0;border-radius:14px;background:linear-gradient(143deg,#eaf5ff,#d2e9ff 54%,#f6fbff);border:1px solid var(--line);isolation:isolate}
.media-slot:after{content:"";position:absolute;pointer-events:none;top:12%;right:-6%;width:45%;aspect-ratio:1;border-radius:48% 52% 31% 69%;background:rgba(80,151,234,.15);transform:rotate(25deg)}.media-slot img{position:relative;z-index:2;width:100%;height:100%;object-fit:contain;object-position:center}.media-caption{position:absolute;z-index:3;bottom:16px;left:16px;right:16px;max-width:340px;background:rgba(255,255,255,.91);border-radius:9px;padding:9px 12px;color:var(--navy);font-size:13px;font-weight:700}.media-slot>img~.media-caption{display:none}.city-feature-image{min-height:340px;aspect-ratio:4/3}.app-preview-image{max-height:520px;min-height:330px;aspect-ratio:9/12}.media-slot.mini{min-height:140px}.media-slot.landscape{aspect-ratio:16/9}.media-slot.brand-visual{aspect-ratio:4/3}
.period-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.period-card{border:1px solid var(--line);border-radius:14px;padding:25px 21px;background:#fff;min-height:230px}.period-card .number{font-size:13px;color:var(--brand);letter-spacing:.18em;font-weight:800}.period-card h3{margin:12px 0;font-size:21px}.period-card p{font-size:14px;color:var(--secondary)}
.journey-line{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.journey-line a{padding:20px 12px;min-height:115px;border-radius:11px;background:#fff;border:1px solid var(--line)}.journey-line b{display:block;color:var(--brand);font-size:12px}.journey-line strong{display:block;font-size:17px;color:var(--ink);margin:10px 0 0}.journey-line small{color:var(--secondary);line-height:1.55;display:block}
.interest-wall{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.interest-wall a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 16px;display:flex;gap:9px;align-items:center;font-weight:740;color:var(--ink)}.interest-wall a:before{content:"";width:8px;height:8px;border-radius:3px;background:var(--brand);flex-shrink:0}.interest-wall a:hover{color:var(--brand);background:var(--ice)}
.qa-grid,.guide-grid,.culture-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.qa-card,.guide-card,.culture-card{padding:24px;border-radius:13px;border:1px solid var(--line);background:white}.qa-card h3,.guide-card h3,.culture-card h3{font-size:19px}.qa-card p,.guide-card p,.culture-card p{font-size:14px;line-height:1.7;color:var(--secondary)}
.story-panel{padding:36px;border-radius:16px;background:linear-gradient(105deg,#edf5ff,#fff);border:1px solid var(--line)}.story-panel p{line-height:1.95;max-width:860px}.story-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.story-strip a{padding:22px;border-radius:12px;background:#fff;border:1px solid var(--line)}.story-strip b{display:block;font-size:17px;color:var(--ink)}.story-strip span{color:var(--secondary);font-size:13px;display:block;margin-top:8px}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.topic-grid a{border:1px solid var(--line);padding:25px 22px;border-radius:13px;background:white}.topic-grid .topic-num{font-size:13px;font-weight:800;color:var(--brand)}.topic-grid strong{display:block;font-size:18px;color:var(--ink);margin-top:13px}.topic-grid p{font-size:14px;color:var(--secondary)}
.album-gallery{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:13px}.album-gallery .media-slot{min-height:140px;aspect-ratio:4/3}.album-gallery .wide{grid-column:span 6;min-height:280px;aspect-ratio:16/7}.album-gallery .medium{grid-column:span 3;min-height:240px}.album-gallery .small{grid-column:span 2;min-height:175px}.album-gallery .media-slot .media-caption{background:rgba(255,255,255,.93)}
.pulse-list{border-top:1px solid var(--line)}.pulse-item{display:grid;grid-template-columns:150px 1fr;gap:26px;padding:24px 0;border-bottom:1px solid var(--line)}.pulse-item b{color:var(--brand)}.pulse-item h3{font-size:19px}.pulse-item p{margin:6px 0 0;font-size:15px}
.privacy-banner,.dark-band{background:#0a315e;color:#dceeff;border-radius:16px;padding:38px 42px}.dark-band h2,.dark-band h3,.privacy-banner h2,.privacy-banner h3{color:#fff}.dark-band p,.privacy-banner p{color:#dceeff}.dark-band a{color:#fff}.privacy-banner .eyebrow,.dark-band .eyebrow{color:#90caff}
.site-footer{background:#071d37;color:#dceeff;position:relative;border-top:1px solid rgba(255,255,255,.12)}.footer-main{padding:51px 0 40px;display:grid;grid-template-columns:minmax(220px,1.05fr) 2.55fr;gap:65px}.footer-intro{max-width:320px}.footer-brand{display:flex;align-items:center;gap:11px;font-size:22px;color:#fff}.footer-brand:hover{color:#fff}.footer-brand img{max-height:37px;max-width:105px;object-fit:contain}.footer-english{font-size:12px;letter-spacing:.18em;color:#9bc3ea;margin:9px 0 16px;display:block}.footer-intro p{color:#bcd6ef;font-size:13px;line-height:1.9}.footer-nav-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px}.footer-nav-grid h2{color:white;font-size:16px;margin-bottom:14px}.footer-nav-grid a{display:block;color:#bfd7ee;font-size:13px;line-height:2.3}.footer-nav-grid a:hover,.footer-bottom a:hover{color:#fff;text-decoration:underline}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding:20px 0 26px;display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;font-size:12px;color:#b4cee8}.footer-bottom div{display:flex;gap:20px}.footer-bottom a{color:#b4cee8}
/* Overlay and panels hidden from hit testing unless active */
.modal-overlay{position:fixed;inset:0;z-index:115;background:rgba(7,29,55,.52);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s,visibility .22s}.modal-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.mega-panel,.search-panel{position:fixed;top:calc(var(--header-h) + 6px);z-index:130;box-shadow:0 24px 60px rgba(8,42,79,.22);border:1px solid var(--line);background:#fff;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-13px);transition:transform .22s,opacity .22s,visibility .22s;max-height:calc(100dvh - var(--header-h) - 18px);overflow:auto;overscroll-behavior:contain}
.mega-panel{left:50%;width:min(1320px,calc(100% - 40px));border-radius:0 0 18px 18px;transform:translate(-50%,-13px)}.mega-panel.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-panel{right:max(20px,calc((100% - var(--width))/2));width:min(680px,calc(100% - 40px));padding:29px;border-radius:0 0 16px 16px}.search-panel.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.mega-heading,.search-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 26px;border-bottom:1px solid var(--line)}.mega-title{display:flex;align-items:center;gap:13px}.mega-title img{width:auto;max-width:100px;max-height:36px;object-fit:contain}.mega-title div{display:flex;flex-direction:column}.mega-title b{font-size:21px;color:var(--ink)}.mega-title span{font-size:12px;color:var(--secondary)}.close-btn{min-height:44px;border:1px solid var(--line);background:#fff;border-radius:9px;color:var(--navy);padding:8px 14px;font-size:14px;font-weight:720;white-space:nowrap}.close-btn:hover{background:var(--ice)}.close-btn span{font-size:19px;margin-left:5px}.mega-groups{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;padding:22px 14px 30px}.mega-group{min-width:0;padding:0 14px;border-right:1px solid var(--line)}.mega-group:last-child{border-right:0}.mega-group h3{font-size:16px;padding:0 0 12px;margin-bottom:7px;border-bottom:2px solid var(--ice)}.mega-links{display:grid;gap:2px}.mega-links a{display:block;border-radius:8px;padding:9px 8px;color:var(--ink)}.mega-links a:hover{background:var(--ice)}.mega-links strong{display:block;font-size:14px}.mega-links small{font-size:12px;color:var(--secondary);line-height:1.55;display:block;margin-top:2px}.search-heading{padding:0 0 17px}.search-heading h2{font-size:23px;margin-top:5px}.search-form{margin-top:18px}.search-form label{font-size:14px;font-weight:700;color:var(--ink)}.search-field{display:flex;gap:8px;margin-top:7px}.search-field input{flex:1;min-width:0;border:1px solid #b8d6f8;border-radius:9px;padding:0 14px;min-height:49px;background:#fbfdff;color:var(--ink)}.search-field button{border:0;border-radius:9px;color:#fff;background:var(--brand);font-size:14px;font-weight:750;padding:0 18px;min-height:49px}.search-field button:hover{background:var(--darkbrand)}.search-suggestions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px}.search-suggestions>span{font-size:13px;color:var(--secondary);padding-right:5px}.search-suggestions a{font-size:13px;padding:7px 11px;border-radius:8px;background:var(--ice);color:var(--navy)}.search-suggestions a:hover{background:#cce4ff}
.mobile-bottom{display:none}
/* Inner pages: consistent typographic system, intentionally varied rhythms and modules. */
.inner-hero{background:linear-gradient(112deg,#edf5ff,#f7faff 60%,#fff);padding:44px 0 40px;border-bottom:1px solid var(--line)}.inner-hero .breadcrumbs{font-size:13px;color:var(--secondary);margin-bottom:18px}.breadcrumbs a{color:var(--brand)}.inner-hero h1{font-size:clamp(32px,3.3vw,46px)}.inner-hero .subtitle{font-size:19px;color:var(--navy);font-weight:650;margin-top:7px}.inner-lead{font-size:16px;max-width:900px;margin:14px 0 0;line-height:1.85}.inner-info{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:17px}.inner-body{padding:45px 0 72px}.inner-body .article-intro{font-size:17px;color:#34465b;max-width:880px}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:45px;align-items:start}.reading-layout .articles{min-width:0;max-width:900px}.reading-aside{position:sticky;top:calc(var(--header-h) + 20px);padding:22px;border-radius:12px;background:var(--fog);border:1px solid var(--line);font-size:13px}.reading-aside b{display:block;color:var(--ink);font-size:15px;margin-bottom:12px}.reading-aside a{display:block;padding:7px 0;color:var(--secondary);line-height:1.5}.reading-aside a:hover{color:var(--brand)}
.chapter{padding:25px 0;border-bottom:1px solid var(--line)}.chapter:first-child{padding-top:0}.chapter h2{font-size:clamp(22px,2vw,27px);margin-bottom:11px}.chapter p{font-size:16px;line-height:1.88;color:#405065;max-width:870px;margin:0}.chapter-label{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.1em;display:block;margin-bottom:8px}.chapter.variant{background:var(--fog);border-radius:14px;border:1px solid var(--line);padding:24px;margin:12px 0}.chapter.variant p{max-width:780px}.chapter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.chapter-grid .chapter{border:1px solid var(--line);padding:23px;border-radius:12px;background:#fff}.chapter-grid .chapter.variant{margin:0;background:var(--ice)}
.inner-timeline{border-left:2px solid #b4d7ff;margin-left:14px;padding-left:30px}.inner-timeline .chapter{position:relative}.inner-timeline .chapter:before{content:"";position:absolute;width:13px;height:13px;top:33px;left:-38px;background:#fff;border:3px solid var(--brand);border-radius:50%}
.inner-numbered .chapter{display:grid;grid-template-columns:75px 1fr;gap:18px}.big-num{color:var(--brand);font-size:31px;line-height:1.1;font-weight:840;letter-spacing:-.05em}
.inner-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.inner-wall .chapter{padding:23px;border-radius:14px;background:#fff;border:1px solid var(--line)}.inner-wall .chapter:nth-child(3n+2){background:var(--fog)}.inner-wall .chapter h2{font-size:21px}
.inner-segment{margin:28px 0 35px}.inner-segment .media-slot{min-height:340px}.inner-segment .album-gallery .media-slot{min-height:0}.inner-segment .media-slot.app-preview-image{max-width:460px;min-height:380px;margin-inline:auto}.inner-segment .media-slot.brand-visual{max-width:800px}
.inner-statement{padding:23px 27px;background:#edf5ff;border-radius:12px;border-left:4px solid var(--brand);font-size:16px;line-height:1.85;margin-top:26px;color:var(--navy)}
.related-links{margin-top:40px;padding:26px;border-radius:14px;background:var(--ice)}.related-links h2{font-size:23px;margin-bottom:13px}.related-links>div{display:flex;gap:11px;flex-wrap:wrap}.related-links a{display:inline-flex;align-items:center;min-height:44px;padding:7px 14px;background:#fff;border:1px solid var(--line);border-radius:8px;font-weight:690;color:var(--navy);font-size:14px}.related-links a:hover{color:var(--brand);border-color:#91c2ff}
.faq-list{max-width:950px;margin:auto}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:2px 22px}.faq-list details[open]{box-shadow:var(--shadow)}.faq-list summary{list-style:none;cursor:pointer;padding:20px 0;min-height:60px;display:flex;align-items:center;justify-content:space-between;color:var(--ink);font-size:17px;font-weight:750}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';font-size:22px;color:var(--brand)}.faq-list details[open] summary:after{content:'−'}.faq-list details p{font-size:15px;line-height:1.85;border-top:1px solid var(--line);margin:0;padding:17px 0 20px}
.search-results{background:#fff;padding:20px 0 24px}.search-results>h2{margin:0 0 16px;font-size:25px}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.result-item{padding:19px 21px;background:var(--fog);border:1px solid var(--line);border-radius:11px}.result-item strong{display:block;color:var(--ink);font-size:18px}.result-item p{font-size:13px;color:var(--secondary);line-height:1.65;margin:7px 0}.result-item a{font-size:14px;color:var(--brand);font-weight:700}
/* breakpoints */
@media(max-width:1230px){.topbar{gap:9px}.primary-nav a{padding:10px 8px}.brand{font-size:18px}.footer-main{gap:32px}.mega-group{padding:0 9px}}
@media(max-width:1080px){.primary-nav a:nth-child(n+6){display:none}.tool-word{display:none}.topbar{gap:10px}.mega-groups{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:26px}.mega-group:nth-child(3){border-right:0}.mega-group h3{font-size:16px}}
@media(max-width:820px){.primary-nav{display:none}.topbar{justify-content:space-between}.quick-navigation{grid-template-columns:repeat(2,1fr)}.interest-wall{grid-template-columns:repeat(3,1fr)}.period-grid{grid-template-columns:repeat(2,1fr)}.journey-line{grid-template-columns:repeat(3,1fr)}.footer-main{grid-template-columns:1fr}.footer-intro{max-width:640px}.footer-nav-grid{gap:16px}.reading-layout{grid-template-columns:1fr}.reading-aside{position:static;order:-1}.reading-aside a{display:inline-flex;margin-right:18px}.hero-copy{display:block}.hero-copy .btn-row{margin-top:18px}.feature-split,.feature-split.reverse{grid-template-columns:1fr}.feature-split.reverse .media-slot{order:-1}.city-feature-image{max-height:380px}.album-gallery .wide{min-height:240px}}
@media(max-width:767px){:root{--header-h:62px}.container{width:calc(100% - 32px)}.site-header{width:100%;max-width:100%;left:0;right:0}.topbar{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;width:100%;padding-inline:16px;min-height:62px;gap:5px}.brand{grid-column:2;grid-row:1;min-width:0;justify-self:center;max-width:100%;font-size:17px;gap:7px}.brand-name{overflow:hidden;text-overflow:ellipsis}.brand-logo{max-width:116px;height:32px}.brand-crest{width:29px;height:29px;font-size:15px}.header-tools{display:contents}.menu-trigger{grid-column:1;grid-row:1}.search-trigger{grid-column:3;grid-row:1}.hot-link,.app-link{display:none}.icon-btn{padding:7px;min-width:44px;width:44px}.site-main{min-height:40vh}.hero-shell{padding-top:12px}.hero-banner{aspect-ratio:16/10;border-radius:13px;max-height:none}.hero-fallback{left:12px;right:12px;bottom:12px;max-width:none;padding:12px 14px;border-radius:9px}.hero-fallback>span{font-size:10px}.hero-fallback strong{font-size:clamp(19px,6.2vw,25px);margin:4px 0}.hero-fallback small{font-size:11px;line-height:1.35}.hero-copy{padding:21px 0 2px}.hero-copy h1{font-size:clamp(30px,8vw,38px)}.hero-copy p{font-size:15px}.page-section{padding:32px 0}.section-heading{align-items:start}.section-heading h2{font-size:25px}.section-heading>a{white-space:normal;text-align:right;max-width:95px}.quick-navigation{gap:10px;margin-top:15px}.quick-navigation a{padding:19px 13px;min-height:118px}.quick-navigation strong{font-size:17px}.editorial-feature{grid-template-columns:1fr}.editorial-lead{min-height:285px;padding:24px}.editorial-lead h3{font-size:27px}.editorial-side{grid-template-rows:none;grid-template-columns:1fr 1fr;gap:10px}.editorial-side a{padding:18px;min-height:175px}.editorial-side h3{font-size:18px}.mini-story-grid{grid-template-columns:1fr;gap:9px}.topic-grid,.qa-grid,.guide-grid,.culture-grid{grid-template-columns:1fr}.feature-copy h2{font-size:28px}.feature-split{gap:18px}.feature-copy p{font-size:15px}.city-feature-image{min-height:0;max-width:100%}.period-grid{gap:10px}.period-card{padding:20px 16px;min-height:190px}.period-card h3{font-size:18px}.journey-line{gap:8px}.journey-line a{padding:16px 10px;min-height:100px}.journey-line strong{font-size:15px}.interest-wall{grid-template-columns:repeat(2,1fr);gap:9px}.interest-wall a{padding:16px 13px;font-size:14px}.story-panel{padding:24px}.story-strip{grid-template-columns:1fr 1fr;gap:10px}.story-strip a{padding:18px 14px}.album-gallery{gap:9px}.album-gallery .media-slot{min-height:0;max-width:100%}.album-gallery .wide{min-height:0;aspect-ratio:16/9}.album-gallery .medium{min-height:0}.album-gallery .small{min-height:0}.media-caption{font-size:12px;left:8px;bottom:8px;right:8px;padding:7px}.app-preview-image{min-height:250px;max-height:400px;width:min(100%,320px);margin-inline:auto}.footer-main{padding:38px 0 30px;gap:30px}.footer-nav-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px}.footer-bottom{padding-bottom:23px}.mobile-bottom{display:flex;position:fixed;left:0;bottom:0;right:0;width:100%;height:calc(58px + env(safe-area-inset-bottom));padding:3px 3px env(safe-area-inset-bottom);z-index:70;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 22px rgba(14,55,96,.06)}.mobile-bottom a{display:flex;flex:1;min-width:0;flex-direction:column;align-items:center;justify-content:center;gap:0;border-radius:8px;font-size:11px;line-height:1.3;color:var(--secondary);font-weight:650;min-height:48px}.mobile-bottom a .bottom-icon{font-size:19px;line-height:1.15}.mobile-bottom a[aria-current=page]{color:#fff;background:linear-gradient(135deg,#3998ff,#1677ee 55%,#075fc6)}.mobile-bottom a:hover:not([aria-current=page]){color:var(--brand);background:var(--ice)}body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.mega-panel{position:fixed;inset:var(--header-h) 0 0 0;top:var(--header-h);left:0;right:0;bottom:0;width:100%;max-height:calc(100dvh - var(--header-h));height:calc(100dvh - var(--header-h));border-radius:0;transform:translateY(-13px);border:0;overflow:auto;overscroll-behavior:contain}.mega-panel.is-open{transform:translateY(0)}.mega-heading{position:sticky;top:0;z-index:2;background:#fff;padding:15px 16px}.mega-groups{grid-template-columns:1fr 1fr;padding:17px 10px 50px;gap:18px 0}.mega-group{padding:0 8px;border-right:0}.mega-group h3{font-size:15px}.mega-links a{padding:9px 7px}.mega-links strong{font-size:14px}.mega-links small{font-size:12px}.search-panel{inset:var(--header-h) 0 0 0;top:var(--header-h);right:0;width:100%;height:calc(100dvh - var(--header-h));max-height:calc(100dvh - var(--header-h));border:0;border-radius:0;overflow:auto;padding:24px 16px 60px}.search-heading h2{font-size:22px}.search-field{flex-direction:column}.search-field button{width:100%}.inner-hero{padding:30px 0}.inner-hero h1{font-size:32px}.inner-hero .subtitle{font-size:18px}.inner-lead{font-size:15px}.inner-body{padding:30px 0 50px}.chapter{padding:22px 0}.chapter h2{font-size:22px}.chapter p{font-size:15px}.chapter-grid,.inner-wall{grid-template-columns:1fr}.inner-numbered .chapter{grid-template-columns:48px 1fr;gap:12px}.big-num{font-size:26px}.inner-segment .media-slot{min-height:0;max-width:100%}.reading-aside{padding:17px}.related-links{padding:19px}.related-links h2{font-size:20px}.faq-list summary{font-size:16px}.pulse-item{grid-template-columns:1fr;gap:4px;padding:19px 0}.dark-band,.privacy-banner{padding:25px 19px}.result-grid{grid-template-columns:1fr}}
@media(max-width:359px){.container{width:calc(100% - 32px)}.brand{font-size:16px}.brand-logo{max-width:95px}.quick-navigation strong{font-size:16px}.period-card{padding:17px 12px}.mega-groups{grid-template-columns:1fr 1fr}.mega-links small{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}