:root{--blue:#1478F2;--bright:#2F8CFF;--deep:#075DC9;--dark:#084A9C;--ink:#172033;--text:#3E4859;--muted:#6F7A89;--soft:#98A1AF;--line:rgba(20,120,242,.12);--grayline:rgba(30,50,70,.08);--bg:#fff;--sub:#F7FAFF;--pale:#EDF5FF;--gray:#F5F6F8;--shadow:0 14px 38px rgba(21,67,118,.08);--blue-shadow:0 16px 42px rgba(20,120,242,.15)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1280px,calc(100% - 36px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--grayline);backdrop-filter:blur(16px)}.desktop-nav{height:74px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand-logo{max-width:138px;max-height:42px;width:auto;height:auto}.brand-text{font-size:22px;font-weight:900;color:var(--blue)}.brand-tag{font-size:12px;color:var(--dark);background:var(--pale);padding:5px 9px;border-radius:999px}.primary-nav{display:flex;gap:6px;align-items:center;white-space:nowrap;flex:1;justify-content:center}.primary-nav a,.icon-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:0 12px;font-weight:700;color:#4e5a6b;border:0;background:transparent;cursor:pointer}.primary-nav a:hover,.primary-nav a.is-active,.icon-button:hover,.icon-button.is-active{color:var(--blue);background:var(--pale)}.nav-actions{display:flex;gap:4px}.mobile-top{display:none;height:62px;align-items:center;grid-template-columns:52px 1fr 52px}.mobile-icon{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--ink);font-weight:800;display:flex;align-items:center;justify-content:center}.mobile-brand{justify-self:center;min-width:0}.mobile-brand img{display:block;max-width:150px;max-height:38px;width:auto;height:auto}.mobile-brand span{font-weight:900;color:var(--blue);font-size:20px}.mobile-discover{font-size:14px}.site-main{min-height:62vh}.overlay{position:fixed;inset:74px 0 0;background:rgba(11,31,56,.28);z-index:88;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel,.search-panel{position:fixed;left:0;right:0;top:74px;z-index:90;background:#fff;box-shadow:var(--shadow);max-height:calc(100vh - 74px);overflow:auto;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);transition:.22s}.channel-panel.is-open,.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.panel-inner,.search-inner{padding:28px 0 32px}.panel-top{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:22px}.panel-top h2{margin:4px 0 0;color:var(--ink);font-size:26px}.panel-close{min-width:48px;min-height:44px;border:1px solid var(--line);background:var(--sub);border-radius:12px;color:var(--blue);font-weight:800;cursor:pointer}.channel-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.channel-columns>div{padding:18px;border:1px solid var(--grayline);border-radius:18px;background:var(--sub)}.channel-columns h3{margin:0 0 8px;color:var(--ink)}.channel-columns a{display:block;padding:10px;border-radius:12px}.channel-columns a:hover{background:#fff}.channel-columns b,.channel-columns 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38px;background:linear-gradient(180deg,var(--sub),#fff)}.page-hero .inner{max-width:920px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--blue);font-weight:900}.page-hero h1{font-size:clamp(34px,5vw,64px);line-height:1.1;margin:10px 0 18px;color:var(--ink);letter-spacing:-.02em}.page-hero p{font-size:18px;color:var(--muted);max-width:820px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:0 18px;border-radius:14px;font-weight:900}.btn-primary{color:#fff;background:linear-gradient(135deg,#3A96FF 0%,#1478F2 55%,#0863D3 100%);box-shadow:var(--blue-shadow)}.btn-soft{color:var(--blue);background:var(--pale)}.channel-strip{display:flex;gap:20px;padding:14px 0;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.channel-strip a{font-weight:800;color:var(--muted)}.channel-strip a:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--bright);margin-right:7px}.channel-strip a.is-active{color:var(--blue)}.section{width:min(1280px,calc(100% - 36px));margin:0 auto;padding:58px 0}.section-head{display:grid;grid-template-columns:minmax(240px,.8fr) 1.4fr;gap:28px;align-end;margin-bottom:24px}.section-head h2{margin:5px 0 0;font-size:clamp(28px,3.4vw,44px);color:var(--ink);line-height:1.15}.section-head p{margin:0;color:var(--muted);max-width:760px}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.content-grid.two{grid-template-columns:repeat(2,1fr)}.content-grid.four{grid-template-columns:repeat(4,1fr)}.content-card{padding:22px;border:1px solid var(--grayline);border-radius:18px;background:#fff;box-shadow:0 8px 24px rgba(21,67,118,.05)}.content-card h3{margin:0 0 10px;color:var(--ink);font-size:20px}.content-card p{margin:0;color:var(--text)}.text-link{display:inline-flex;margin-top:14px;color:var(--blue);font-weight:900}.text-link:after{content:" →"}.band{background:var(--sub)}.pale-band{background:var(--pale)}.editorial-hero{width:min(1280px,calc(100% - 36px));margin:auto;padding:34px 0 26px;display:grid;grid-template-columns:.85fr 1.5fr .9fr;gap:16px}.editorial-hero>*{border-radius:20px;border:1px solid var(--grayline);background:#fff;padding:24px;min-width:0}.editorial-main{background:linear-gradient(145deg,var(--pale),#fff)!important;display:flex;flex-direction:column;justify-content:space-between;min-height:420px}.editorial-main h1{font-size:clamp(36px,4.7vw,64px);line-height:1.05;color:var(--ink);margin:10px 0 16px}.editorial-main p{font-size:17px}.editorial-side h2,.quick-panel h2{margin-top:0;color:var(--ink)}.hero-visual{margin-top:22px;border-radius:16px;overflow:hidden;min-height:150px;background:radial-gradient(circle at 20% 20%,#fff 0 8%,transparent 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h3{font-size:30px;margin-top:0;color:#fff}.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.topic-list article{padding:18px;border-radius:16px;background:var(--sub)}.mosaic{columns:3 260px;column-gap:14px}.mosaic article{break-inside:avoid;margin:0 0 14px}.timeline{display:grid;gap:14px;counter-reset:step}.timeline article{position:relative;padding:20px 20px 20px 66px;border:1px solid var(--grayline);border-radius:18px;background:#fff}.timeline article:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--pale);color:var(--blue);font-weight:900}.tag-wall{display:flex;gap:12px;flex-wrap:wrap}.tag-wall article{flex:1 1 260px;padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--sub)}.qa-list{display:grid;gap:12px}.qa-item{padding:20px;border-bottom:1px solid var(--grayline)}.qa-item h3{margin:0 0 8px;color:var(--ink)}.story-list{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.story-feature,.story-stack article{padding:24px;border:1px solid var(--grayline);border-radius:18px}.story-feature{background:var(--sub)}.story-stack{display:grid;gap:12px}.notice-list,.guide-index{display:grid;gap:12px}.notice-row,.guide-row{display:grid;grid-template-columns:180px 1fr auto;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid var(--grayline)}.notice-row strong,.guide-row strong{color:var(--blue)}.app-showcase{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.app-visual{min-height:420px;border-radius:28px;background:linear-gradient(150deg,var(--pale),#fff);border:1px solid var(--line);display:grid;place-items:center;padding:26px}.app-visual img{max-width:100%;height:auto;max-height:520px}.phone-mock{width:min(260px,80%);aspect-ratio:9/18;border:10px solid var(--ink);border-radius:38px;background:linear-gradient(#fff,var(--pale));padding:24px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:900;text-align:center}.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.safety-box{padding:28px;border-radius:22px;background:var(--sub);border:1px solid var(--grayline)}.safety-box:nth-child(2){transform:translateY(24px);background:var(--pale)}details{border-bottom:1px solid var(--grayline);padding:14px 0}summary{cursor:pointer;font-weight:900;color:var(--ink);font-size:18px}details p{color:var(--text);margin:10px 0 0}.brand-declaration{padding:54px;border-radius:28px;background:linear-gradient(135deg,#0b5ec8,#1478F2 58%,#3A96FF);color:#fff}.brand-declaration h2{font-size:clamp(30px,4vw,52px);line-height:1.1;margin:0 0 18px}.brand-declaration p{max-width:980px;margin:0;color:#eef6ff}.site-footer{background:#0B1F38;color:#EAF3FF;padding:54px 0 24px;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,.75fr);gap:26px}.footer-grid h3{margin-top:0;color:#fff}.footer-grid a{display:block;color:#d5e5f8;margin:8px 0}.footer-brand-line{display:flex;gap:12px;align-items:center}.footer-logo{max-width:120px;max-height:40px;width:auto;height:auto}.footer-brand-line strong,.footer-brand-line span{display:block}.footer-brand-line strong{font-size:22px}.footer-brand-line span{font-size:11px;letter-spacing:.12em;color:#a9c6e5}.footer-brand p,.footer-note{color:#b9cce1}.footer-note{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:20px;font-size:13px}.mobile-bottom{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(20,120,242,.32);outline-offset:3px}
@media(max-width:1100px){.brand-tag{display:none}.primary-nav a{padding:0 8px;font-size:14px}.content-grid.four,.search-links{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.footer-brand{grid-row:span 2}}
@media(max-width:820px){.desktop-nav{display:none}.mobile-top{display:grid}.site-header{height:62px}.overlay{inset:62px 0 0}.channel-panel,.search-panel{top:62px;bottom:0;max-height:none}.channel-panel{left:auto;width:min(90vw,420px);transform:translateX(100%);opacity:1}.channel-panel.is-open{transform:none}.panel-inner,.search-inner{width:auto;margin:0;padding:22px 18px}.channel-columns{grid-template-columns:1fr}.channel-columns>div{padding:14px}.search-panel{height:calc(100vh - 62px)}.search-links{grid-template-columns:1fr}.section,.shell,.editorial-hero{width:min(100% - 30px,1280px)}.page-hero{padding-top:48px}.section{padding:42px 0}.section-head{grid-template-columns:1fr;gap:10px}.content-grid,.content-grid.two,.content-grid.four{grid-template-columns:1fr}.editorial-hero{grid-template-columns:1fr;padding-top:18px}.editorial-main{min-height:unset;order:-1}.overview-grid{grid-template-columns:1fr 1fr}.topic-lead,.story-list,.app-showcase,.safety-grid{grid-template-columns:1fr}.topic-list{grid-template-columns:1fr}.safety-box:nth-child(2){transform:none}.notice-row,.guide-row{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1;grid-row:auto}.site-footer{padding-bottom:92px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.98);border-top:1px solid var(--grayline)}.mobile-bottom a{min-height:54px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--muted)}.mobile-bottom a.is-active{color:var(--blue);background:var(--pale)}.site-main{padding-bottom:6px}.mosaic{columns:1}.brand-declaration{padding:30px 24px}}
@media(max-width:520px){.overview-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.editorial-side,.quick-panel,.editorial-main{padding:20px}.page-hero h1{font-size:38px}.section-head h2{font-size:30px}.brand-declaration{border-radius:20px}.shell,.section,.editorial-hero{width:calc(100% - 30px)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Page-specific editorial rhythms */
.page-plaza .page-hero .inner{display:grid;grid-template-columns:.7fr 1.3fr;column-gap:38px;align-items:end}.page-plaza .page-hero .eyebrow{grid-column:1/-1}.page-plaza .page-hero h1{margin-bottom:0}.page-plaza .content-grid.two{grid-template-columns:1.15fr .85fr}.page-plaza .content-card:nth-child(3n){grid-column:1/-1}
.page-city .page-hero{background:#fff;border-bottom:1px solid var(--grayline)}.page-city .content-grid.two{grid-template-columns:1fr}.page-city .content-grid.two .content-card{display:grid;grid-template-columns:minmax(180px,.35fr) 1fr;gap:24px;align-items:start}.page-city .content-card h2{margin:0}
.page-life .page-hero{background:linear-gradient(90deg,var(--sub),#fff)}.page-life .mosaic .content-card:nth-child(3n+1){padding:30px}.page-life .mosaic .content-card:nth-child(2n){background:var(--sub)}
.page-travel .page-hero{background:var(--pale)}.page-travel .timeline{max-width:980px;margin:auto}.page-travel .timeline .content-card{margin-bottom:14px}
.page-interest .page-hero{background:#fff}.page-interest .tag-wall .content-card{flex:1 1 260px}.page-interest .tag-wall .content-card:nth-child(4n+1){flex-basis:360px;background:var(--pale)}
.page-questions .page-hero{background:linear-gradient(180deg,#fff,var(--sub))}.page-questions .qa-list{max-width:980px;margin:auto}.page-questions .qa-item h2{font-size:22px}
.page-discover .mosaic .content-card:nth-child(odd){background:var(--sub)}.page-topics .content-grid.two .content-card:nth-child(1){grid-column:1/-1;background:var(--ink);color:#eef6ff}.page-topics .content-grid.two .content-card:nth-child(1) h2{color:#fff}
.page-community .content-grid.two{counter-reset:principle}.page-community .content-card{position:relative;padding-left:70px}.page-community .content-card:before{counter-increment:principle;content:counter(principle);position:absolute;left:22px;top:22px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--pale);color:var(--blue);font-weight:900}
.page-privacy .content-card{border-left:4px solid var(--blue)}.page-rules .content-grid.two{counter-reset:rule}.page-rules .content-card h2:before{counter-increment:rule;content:"0" counter(rule) " · ";color:var(--blue)}
.page-help .content-grid.two{grid-template-columns:repeat(4,1fr)}.page-help .content-card{padding:18px}.page-help .content-card h2{font-size:18px}.page-about .page-hero{background:linear-gradient(135deg,var(--pale),#fff 65%)}.page-about .content-grid.two .content-card:nth-child(4n+1),.page-about .content-grid.two .content-card:nth-child(4n+4){background:var(--sub)}
@media(max-width:820px){.page-plaza .page-hero .inner{display:block}.page-plaza .content-grid.two,.page-help .content-grid.two{grid-template-columns:1fr}.page-plaza .content-card:nth-child(3n){grid-column:auto}.page-city .content-grid.two .content-card{grid-template-columns:1fr;gap:6px}.page-community .content-card{padding-left:62px}}