:root{--bg:#fff;--soft:#f7faff;--blue-soft:#edf5ff;--gray:#f5f6f8;--title:#172033;--text:#3e4859;--muted:#6f7a89;--faint:#98a1af;--blue:#1478f2;--blue2:#2f8cff;--deep:#075dc9;--dark:#084a9c;--border:rgba(20,120,242,.12);--gray-border:rgba(30,50,70,.08);--shadow:0 14px 38px rgba(21,67,118,.08);--blue-shadow:0 16px 42px rgba(20,120,242,.15);--footer:#0b1f38;--footer-text:#eaf3ff;--radius:18px;--nav-h:74px;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.28);outline-offset:3px}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--title);color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}.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}
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--gray-border)}.nav-shell{height:var(--nav-h);max-width:var(--max);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:24px}.brand{min-width:250px;display:flex;align-items:center;gap:12px}.brand-logo{width:112px;max-height:38px;object-fit:contain}.brand-text{font-size:22px;font-weight:850;letter-spacing:.03em;color:var(--blue)}.brand-tag{padding:4px 9px;border-radius:999px;background:var(--blue-soft);color:var(--deep);font-size:12px;white-space:nowrap}.primary-nav{display:flex;align-items:center;justify-content:center;gap:5px;flex:1;min-width:0;white-space:nowrap}.primary-nav a,.nav-action-link,.icon-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:0 11px;font-size:14px;font-weight:700}.primary-nav a:hover,.nav-action-link:hover,.icon-button:hover{background:var(--soft);color:var(--blue)}.primary-nav a.is-current,.nav-action-link.is-current{background:var(--blue-soft);color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:4px;white-space:nowrap}.icon-button{border:0;background:transparent;cursor:pointer}.mobile-nav{display:none}.site-main{min-height:65vh}.page-shell{max-width:var(--max);margin:0 auto;padding:44px 24px 78px}.section{padding:64px 0}.section-soft{background:var(--soft)}.section-blue{background:var(--blue-soft)}.section-gray{background:var(--gray)}.section-shell{max-width:var(--max);margin:0 auto;padding:0 24px}.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:8px;height:8px;background:var(--blue);border-radius:50%;box-shadow:0 0 0 5px rgba(20,120,242,.09)}h1,h2,h3{color:var(--title);line-height:1.28;margin:0 0 14px}h1{font-size:clamp(34px,4.4vw,62px);letter-spacing:-.035em}h2{font-size:clamp(26px,3vw,40px);letter-spacing:-.025em}h3{font-size:20px}.lead{font-size:18px;color:var(--muted);max-width:830px}.muted{color:var(--muted)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-head p{max-width:700px;margin:0;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:5px;color:var(--blue);font-weight:750}.text-link:after{content:"→"}.text-link:hover{color:var(--deep)}.primary-button,.secondary-button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:13px;font-weight:800;white-space:nowrap}.primary-button{color:#fff;background:linear-gradient(135deg,#3a96ff 0%,#1478f2 55%,#0863d3 100%);box-shadow:var(--blue-shadow)}.primary-button:hover{transform:translateY(-1px);box-shadow:0 18px 46px rgba(20,120,242,.22)}.secondary-button{background:#fff;border:1px solid var(--border);color:var(--blue)}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.pill{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border-radius:999px;background:var(--blue-soft);color:var(--deep);font-size:12px;font-weight:800}.card{background:#fff;border:1px solid var(--gray-border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:24px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.content-list{display:grid;gap:14px}.content-list article,.content-list .list-item{padding:22px 0;border-bottom:1px solid var(--gray-border)}.content-list article:last-child,.content-list .list-item:last-child{border-bottom:0}.content-list p{margin:8px 0;color:var(--muted)}
/* Home */
.editorial-hero{padding:40px 0 22px;background:linear-gradient(180deg,#fff 0%,#f7faff 100%)}.hero-grid{max-width:var(--max);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:.86fr 1.42fr .8fr;gap:22px;align-items:stretch}.hero-intro,.hero-side,.hero-media{border-radius:22px}.hero-intro{padding:28px;background:#fff;border:1px solid var(--gray-border);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}.hero-intro h1{font-size:clamp(34px,3.8vw,54px)}.hero-intro p{color:var(--muted)}.today-note{margin-top:26px;padding:18px;border-radius:16px;background:var(--blue-soft)}.today-note strong{display:block;color:var(--dark);margin-bottom:6px}.hero-media{min-height:460px;background:linear-gradient(150deg,#0f70de,#3a96ff);overflow:hidden;position:relative}.hero-media img{width:100%;height:100%;object-fit:cover}.hero-fallback{height:100%;min-height:460px;display:flex;flex-direction:column;justify-content:flex-end;padding:38px;color:#fff;position:relative}.hero-fallback:before,.hero-fallback:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.11);pointer-events:none}.hero-fallback:before{width:240px;height:240px;right:-50px;top:-70px}.hero-fallback:after{width:110px;height:110px;left:28px;top:44px}.hero-fallback strong{font-size:clamp(28px,4vw,56px);line-height:1.1}.hero-fallback span{opacity:.9;margin-top:10px}.hero-side{padding:22px;background:#fff;border:1px solid var(--gray-border);display:grid;gap:10px}.mini-entry{padding:16px;border-radius:15px;background:var(--soft);border:1px solid transparent}.mini-entry:hover{border-color:var(--border);background:var(--blue-soft)}.mini-entry h3{font-size:17px;margin-bottom:5px}.mini-entry p{font-size:13px;line-height:1.6;margin:0 0 5px;color:var(--muted)}.channel-strip-wrap{border-bottom:1px solid var(--gray-border);background:#fff}.channel-strip{max-width:var(--max);margin:0 auto;padding:0 24px;display:flex;gap:10px;overflow-x:auto;scrollbar-width:thin}.channel-strip a{flex:0 0 auto;display:flex;align-items:center;gap:8px;min-height:58px;padding:0 14px;color:var(--muted);font-weight:750;white-space:nowrap}.channel-strip a:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue2)}.channel-strip a:hover,.channel-strip a.is-current{color:var(--blue)}.overview-grid{display:grid;grid-template-columns:1.35fr .92fr 1.08fr .8fr;gap:16px}.overview-card{padding:25px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.overview-card:nth-child(2),.overview-card:nth-child(4){background:var(--blue-soft)}.overview-card p{margin:8px 0 0;color:var(--muted)}.discussion-grid{display:grid;grid-template-columns:1.1fr 1.3fr;gap:24px}.discussion-feature{padding:30px;border-radius:22px;background:var(--title);color:#fff}.discussion-feature h2,.discussion-feature h3{color:#fff}.discussion-feature p{color:#dbe7f7}.discussion-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.discussion-list article{padding:20px;border-radius:17px;background:#fff;border:1px solid var(--gray-border)}.discussion-list p{font-size:14px;color:var(--muted)}.city-map-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;grid-auto-rows:minmax(180px,auto);gap:16px}.city-node{position:relative;padding:24px;border-radius:21px;background:#fff;border:1px solid var(--gray-border);overflow:hidden}.city-node:nth-child(1){grid-row:span 2;background:var(--blue-soft)}.city-node:nth-child(4){grid-column:span 2}.city-node:before{content:"";position:absolute;width:76px;height:76px;border:1px solid rgba(20,120,242,.15);border-radius:50%;right:-18px;bottom:-18px;pointer-events:none}.magazine-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px;align-items:start}.life-card{padding:24px;border-radius:21px;background:#fff;border:1px solid var(--gray-border)}.life-card:nth-child(1),.life-card:nth-child(5){min-height:300px;background:var(--soft)}.life-card p{color:var(--muted)}.route-board{display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x proximity}.route-note{min-width:300px;max-width:360px;scroll-snap-align:start;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.route-note .step{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:var(--blue);color:#fff;font-weight:900;margin-bottom:14px}.interest-cloud{display:flex;flex-wrap:wrap;gap:14px}.interest-bubble{flex:1 1 220px;max-width:360px;padding:19px 21px;border:1px solid var(--border);border-radius:20px;background:#fff}.interest-bubble:nth-child(3n+1){flex-basis:290px;background:var(--blue-soft)}.qa-index article{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:start;padding:22px 0;border-bottom:1px solid var(--gray-border)}.qa-mark{width:36px;height:36px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900}.story-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}.story-main{padding:30px;border-radius:22px;background:var(--blue-soft)}.story-side article{padding:0 0 20px;margin-bottom:20px;border-bottom:1px solid var(--gray-border)}.story-side article:last-child{border:0}.masonry-like{columns:3 260px;column-gap:18px}.discover-item{break-inside:avoid;margin:0 0 18px;padding:22px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.discover-item:nth-child(3n+2){background:var(--soft)}.guide-list{counter-reset:guide;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.guide-list article{counter-increment:guide;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.guide-list article:before{content:"0" counter(guide);font-weight:900;color:var(--blue);font-size:13px}.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.principle{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.app-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}.app-visual{border-radius:28px;overflow:hidden;background:linear-gradient(145deg,#0c65ca,#42a1ff);min-height:420px;display:flex;align-items:center;justify-content:center;padding:28px}.app-visual img{max-height:520px;object-fit:contain}.app-fallback{color:#fff;text-align:center}.app-fallback strong{font-size:38px;display:block}.service-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}.service-points div{padding:16px;border-radius:15px;background:var(--soft)}.safety-home{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.safety-block{padding:32px;border-radius:24px;background:var(--title);color:#dfeafa}.safety-block h2{color:#fff}.privacy-block{padding:32px;border-radius:24px;background:var(--blue-soft);margin-top:38px}.faq-home details,.faq-list details{border-bottom:1px solid var(--gray-border)}.faq-home summary,.faq-list summary{cursor:pointer;list-style:none;padding:19px 42px 19px 0;position:relative;font-weight:800;color:var(--title)}.faq-home summary::-webkit-details-marker,.faq-list summary::-webkit-details-marker{display:none}.faq-home summary:after,.faq-list summary:after{content:"+";position:absolute;right:4px;top:15px;color:var(--blue);font-size:24px}.faq-home details[open] summary:after,.faq-list details[open] summary:after{content:"−"}.faq-home details p,.faq-list details p{margin:0 0 20px;color:var(--muted)}.brand-statement{padding:44px;border-radius:28px;background:linear-gradient(145deg,#0c5dbd,#1478f2);color:#eaf3ff;position:relative;overflow:hidden}.brand-statement h2{color:#fff}.brand-statement p{max-width:980px}.brand-statement:after{content:"海角";position:absolute;right:-20px;bottom:-82px;font-weight:900;font-size:180px;opacity:.055;pointer-events:none}
/* Inner pages */
.inner-hero{padding:56px 0 30px;background:linear-gradient(180deg,var(--soft),#fff)}.inner-hero .section-shell{display:grid;grid-template-columns:1fr .34fr;gap:30px;align-items:end}.inner-hero p{max-width:860px;color:var(--muted);font-size:18px}.hero-index{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--gray-border);box-shadow:var(--shadow)}.hero-index a{display:block;padding:8px 0;color:var(--muted)}.hero-index a:hover{color:var(--blue)}.plaza-editor{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}.plaza-board{padding:30px;border-radius:22px;background:var(--blue-soft)}.topic-directory{display:grid;gap:13px}.topic-row{padding:18px 20px;border-radius:16px;background:#fff;border:1px solid var(--gray-border);display:grid;grid-template-columns:1fr auto;gap:18px}.city-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px}.city-line{padding:24px 0;border-bottom:1px solid var(--gray-border)}.city-line:nth-child(odd){padding-right:20px}.city-line p{color:var(--muted)}.life-zine{display:grid;grid-template-columns:1fr 1fr;gap:20px}.life-zine article{padding:26px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.life-zine article:nth-child(3n+1){grid-row:span 2;background:var(--soft)}.travel-steps{position:relative;display:grid;gap:18px}.travel-step{display:grid;grid-template-columns:70px 1fr;gap:22px}.travel-step .num{width:56px;height:56px;border-radius:18px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px}.travel-step .copy{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.interest-wall{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}.interest-wall a{padding:12px 16px;border-radius:999px;background:var(--blue-soft);color:var(--deep);font-weight:800}.interest-detail{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.interest-detail article{padding:24px;border-radius:20px;border:1px solid var(--gray-border);background:#fff}.question-directory{display:grid;gap:14px}.question-card{padding:24px;border-radius:19px;background:#fff;border:1px solid var(--gray-border)}.question-card h3{display:flex;gap:11px}.question-card h3:before{content:"问";flex:0 0 32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--blue-soft);color:var(--blue);font-size:13px}.long-read-list{display:grid;gap:0}.long-read{display:grid;grid-template-columns:190px 1fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--gray-border)}.long-read .meta{color:var(--blue);font-weight:800}.topic-feature{padding:34px;border-radius:24px;background:var(--title);color:#dbe6f6;margin-bottom:24px}.topic-feature h2{color:#fff}.topic-catalog article{padding:28px 0;border-bottom:1px solid var(--gray-border);display:grid;grid-template-columns:1fr 220px;gap:28px}.boundary{padding:14px 16px;border-radius:14px;background:var(--soft);font-size:13px;color:var(--muted)}.knowledge-index{display:grid;grid-template-columns:260px 1fr;gap:30px}.knowledge-nav{position:sticky;top:96px;align-self:start;padding:20px;border-radius:18px;background:var(--soft)}.knowledge-nav a{display:block;padding:9px 8px;color:var(--muted)}.knowledge-nav a:hover{color:var(--blue)}.knowledge-content article{padding:0 0 30px;margin-bottom:30px;border-bottom:1px solid var(--gray-border)}.community-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.flow-step{padding:22px;border-radius:18px;background:var(--blue-soft)}.notice-list article{display:grid;grid-template-columns:170px 1fr;gap:28px;padding:26px 0;border-bottom:1px solid var(--gray-border)}.notice-type{color:var(--blue);font-weight:850}.product-page{display:grid;grid-template-columns:.82fr 1.18fr;gap:36px;align-items:center}.install-checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.install-checklist article{padding:24px;border:1px solid var(--gray-border);border-radius:20px}.risk-matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.risk-item{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.risk-item strong{display:block;color:var(--title);font-size:19px}.privacy-categories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.privacy-cat{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--gray-border)}.rule-index article{display:grid;grid-template-columns:210px 1fr;gap:28px;padding:28px 0;border-bottom:1px solid var(--gray-border)}.help-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:34px}.help-nav a{padding:20px;border-radius:18px;background:var(--blue-soft);font-weight:800;color:var(--deep)}.help-content{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.help-content article{padding:24px;border:1px solid var(--gray-border);border-radius:18px}.process-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.process-steps div{padding:22px;border-radius:18px;background:var(--soft)}.about-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px}.about-aside{padding:28px;border-radius:22px;background:var(--blue-soft)}.values-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.values-grid article{padding:22px;border-radius:18px;background:#fff;border:1px solid var(--gray-border)}
/* Menu/search/footer */
.overlay{position:fixed;inset:0;background:rgba(4,20,38,.42);z-index:95;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-menu,.search-panel{position:fixed;z-index:100;top:var(--nav-h);left:0;right:0;background:#fff;box-shadow:0 28px 70px rgba(10,35,70,.2);visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;max-height:calc(100vh - var(--nav-h));overflow:auto}.channel-menu.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.channel-menu-inner,.search-inner{max-width:var(--max);margin:0 auto;padding:30px 24px 36px}.panel-heading{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:22px}.panel-heading h2{font-size:30px;margin-top:6px}.panel-close{min-width:58px;min-height:44px;border:1px solid var(--gray-border);border-radius:12px;background:#fff;cursor:pointer}.panel-close:hover{color:var(--blue);border-color:var(--border)}.menu-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.menu-column h3{font-size:14px;color:var(--blue);margin-bottom:8px}.menu-column a{display:block;padding:12px;border-radius:13px;margin-left:-12px}.menu-column a:hover{background:var(--soft)}.menu-column strong{display:block;color:var(--title);font-size:15px}.menu-column span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:3px}.search-box{display:block}.search-box input{width:100%;height:58px;border:1px solid var(--border);border-radius:16px;background:var(--soft);padding:0 18px;font-size:17px;color:var(--title)}.search-groups{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0}.search-groups h3{font-size:14px}.search-chip{min-height:38px;border:0;border-radius:999px;background:var(--blue-soft);color:var(--deep);padding:0 13px;margin:0 7px 7px 0;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.search-results a{padding:17px;border-radius:15px;border:1px solid var(--gray-border)}.search-results a:hover{border-color:var(--border);background:var(--soft)}.search-results strong{display:block;color:var(--title)}.search-results span{display:block;color:var(--muted);font-size:12px;margin-top:4px}.search-empty{padding:18px;border-radius:14px;background:var(--soft);color:var(--muted)}.site-footer{background:var(--footer);color:var(--footer-text)}.footer-shell{max-width:var(--max);margin:0 auto;padding:54px 24px 30px}.footer-brand{max-width:700px}.footer-brand-link{display:inline-flex;align-items:center;min-height:44px}.footer-logo{width:126px;max-height:42px;object-fit:contain;filter:brightness(0) invert(1)}.footer-brand strong{font-size:24px}.footer-en{font-size:12px;letter-spacing:.18em;color:#9fc7f7}.footer-brand p:last-child{color:#b9c8d9}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;padding:32px 0;border-top:1px solid rgba(255,255,255,.09);border-bottom:1px solid rgba(255,255,255,.09);margin-top:28px}.footer-grid h2{font-size:15px;color:#fff}.footer-grid a{display:block;color:#bdcde0;padding:5px 0;font-size:14px}.footer-grid a:hover{color:#fff}.footer-note{padding:24px 0;color:#9fb1c6;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:16px;color:#8095ad;font-size:12px}.footer-bottom a:hover{color:#fff}.mobile-bottom-nav{display:none}
@media (max-width:1120px){.brand{min-width:210px}.brand-tag{display:none}.primary-nav a,.nav-action-link,.icon-button{padding:0 8px;font-size:13px}.hero-grid{grid-template-columns:1fr 1.3fr}.hero-side{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.overview-grid{grid-template-columns:repeat(2,1fr)}.city-map-grid{grid-template-columns:repeat(2,1fr)}.city-node:nth-child(1){grid-row:auto}.city-node:nth-child(4){grid-column:auto}.principles,.privacy-categories,.values-grid{grid-template-columns:repeat(2,1fr)}.community-flow,.process-steps{grid-template-columns:repeat(2,1fr)}.help-nav{grid-template-columns:repeat(2,1fr)}}
@media (max-width:980px){:root{--nav-h:62px}.desktop-nav{display:none}.mobile-nav{display:grid;grid-template-columns:56px minmax(0,1fr) 56px;padding:0 15px;gap:10px}.mobile-nav-button{min-width:44px;min-height:44px;border:0;border-radius:12px;background:transparent;font-weight:800;font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:center}.mobile-brand{justify-self:center;align-self:center;min-width:0;display:flex;align-items:center;justify-content:center;max-width:180px}.mobile-brand img{max-width:142px;max-height:34px;object-fit:contain}.mobile-brand span{color:var(--blue);font-size:19px;font-weight:900;white-space:nowrap}.mobile-discover{color:var(--blue)}.page-shell{padding:30px 15px 92px}.section{padding:48px 0}.section-shell{padding:0 15px}.section-head{align-items:start;flex-direction:column;gap:10px}.hero-grid{padding:0 15px;grid-template-columns:1fr}.hero-intro{order:1}.hero-media{order:2;min-height:260px}.hero-side{order:3;grid-column:auto;grid-template-columns:1fr 1fr}.hero-fallback{min-height:260px}.editorial-hero{padding-top:20px}.channel-strip{padding:0 15px}.overview-grid,.grid-2,.grid-3,.grid-4,.discussion-grid,.magazine-grid,.app-feature,.safety-home,.inner-hero .section-shell,.plaza-editor,.life-zine,.interest-detail,.knowledge-index,.product-page,.about-story,.help-content{grid-template-columns:1fr}.discussion-list,.guide-list,.service-points,.install-checklist,.risk-matrix{grid-template-columns:1fr}.city-map-grid{grid-template-columns:1fr}.story-layout{grid-template-columns:1fr}.masonry-like{columns:2 240px}.principles,.privacy-categories,.values-grid{grid-template-columns:1fr 1fr}.qa-index article{grid-template-columns:42px 1fr}.qa-index article .text-link{grid-column:2}.inner-hero{padding:36px 0 18px}.hero-index{display:none}.topic-catalog article,.rule-index article,.notice-list article,.long-read{grid-template-columns:1fr;gap:8px}.knowledge-nav{position:static;display:flex;overflow-x:auto;gap:5px}.knowledge-nav a{white-space:nowrap}.help-nav{grid-template-columns:1fr 1fr}.channel-menu{top:0;bottom:0;left:auto;width:min(88vw,390px);max-height:none;transform:translateX(100%);box-shadow:-24px 0 60px rgba(10,35,70,.2)}.channel-menu.is-open{transform:none}.channel-menu-inner{padding:24px 18px 100px}.menu-columns{grid-template-columns:1fr}.menu-column{border-bottom:1px solid var(--gray-border);padding-bottom:10px}.menu-column:last-child{border-bottom:0}.search-panel{top:0;bottom:0;max-height:none;transform:translateY(10px)}.search-inner{padding:22px 15px 100px}.search-groups{grid-template-columns:1fr}.search-results{grid-template-columns:1fr}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:80;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--gray-border);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -10px 30px rgba(21,67,118,.08)}.mobile-bottom-nav a{min-height:54px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--muted)}.mobile-bottom-nav a.is-current{color:var(--blue)}.site-footer{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.route-note{min-width:82vw}.about-aside{order:2}}
@media (max-width:560px){h1{font-size:36px}h2{font-size:28px}.lead{font-size:16px}.hero-side{grid-template-columns:1fr}.overview-grid{grid-template-columns:1fr}.masonry-like{columns:1}.principles,.privacy-categories,.values-grid,.community-flow,.process-steps,.help-nav{grid-template-columns:1fr}.city-index{grid-template-columns:1fr}.travel-step{grid-template-columns:48px 1fr;gap:12px}.travel-step .num{width:44px;height:44px;border-radius:14px}.brand-statement{padding:30px 22px}.brand-statement:after{font-size:110px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px 14px}.footer-shell{padding-left:15px;padding-right:15px}.panel-heading h2{font-size:24px}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.primary-button:hover{transform:none}}