:root{
  --bg:#FFFFFF;
  --bg-soft:#F7FAFF;
  --bg-blue:#EDF5FF;
  --bg-gray:#F5F6F8;
  --title:#172033;
  --text:#3E4859;
  --muted:#6F7A89;
  --soft:#98A1AF;
  --blue:#1478F2;
  --blue-bright:#2F8CFF;
  --blue-deep:#075DC9;
  --blue-dark:#084A9C;
  --blue-pale:#D9EAFE;
  --white:#FFFFFF;
  --line:rgba(20,120,242,.12);
  --gray-line:rgba(30,50,70,.08);
  --shadow:0 14px 38px rgba(21,67,118,.08);
  --blue-shadow:0 16px 42px rgba(20,120,242,.15);
  --radius:18px;
  --nav-h:74px;
  --max:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
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{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.3);outline-offset:3px}
[hidden]{display:none!important}
.skip-link{position:fixed;left:16px;top:-80px;z-index:5000;background:var(--title);color:#fff;padding:10px 14px;border-radius:10px}
.skip-link:focus{top:10px}
.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:1200;height:var(--nav-h);background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(16px);border-bottom:1px solid var(--gray-line)}
.nav-shell{height:100%;max-width:var(--max);margin:0 auto;padding:0 22px;display:flex;align-items:center;gap:22px}
.desktop-brand{display:flex;align-items:center;gap:10px;min-width:255px}
.brand-link{display:flex;align-items:center;min-height:44px}
.brand-logo{max-width:150px;max-height:42px;object-fit:contain}
.brand-text{display:inline-flex;align-items:center;background:var(--blue);color:#fff;font-weight:800;letter-spacing:.04em;border-radius:10px;padding:8px 14px}
.brand-note{font-size:12px;color:var(--blue-dark);background:var(--bg-blue);padding:4px 8px;border-radius:999px;white-space:nowrap}
.desktop-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;min-width:0;white-space:nowrap}
.desktop-nav a{display:flex;align-items:center;min-height:44px;padding:0 11px;border-radius:10px;color:var(--muted);font-size:15px;font-weight:650}
.desktop-nav a:hover,.desktop-nav a.is-active{color:var(--blue);background:var(--bg-blue)}
.desktop-actions{display:flex;align-items:center;gap:5px;white-space:nowrap}
.icon-action,.menu-action,.mobile-icon-btn{min-height:44px;border:1px solid var(--gray-line);background:#fff;color:var(--title);border-radius:11px;padding:0 12px;font-weight:650}
a.icon-action{display:inline-flex;align-items:center}
.icon-action:hover,.menu-action:hover,.icon-action.is-active{border-color:var(--line);color:var(--blue);background:var(--bg-soft)}
.menu-action{background:var(--title);color:#fff;border-color:var(--title)}
.mobile-topbar{display:none;width:100%;align-items:center;justify-content:space-between}
.mobile-brand{font-weight:800;color:var(--blue);font-size:20px;max-width:55%;display:flex;justify-content:center}
.mobile-brand-logo{max-width:145px;max-height:38px;object-fit:contain}
.mobile-icon-btn{width:52px;padding:0;display:flex;align-items:center;justify-content:center}
.mobile-discover{font-size:14px}
.overlay{position:fixed;inset:var(--nav-h) 0 0;background:rgba(15,32,52,.34);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease;z-index:1090}
.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.channel-menu,.search-panel{position:fixed;left:0;right:0;top:var(--nav-h);z-index:1100;background:#fff;border-bottom:1px solid var(--gray-line);box-shadow:var(--shadow);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);transition:opacity .2s ease,transform .2s ease,visibility .2s}
.channel-menu.is-open,.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}
.channel-menu-inner,.search-panel-inner{max-width:var(--max);margin:0 auto;padding:28px 22px 34px;max-height:calc(100vh - var(--nav-h));overflow:auto}
.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}
.panel-heading h2{margin:2px 0 0;color:var(--title);font-size:25px}
.eyebrow{margin:0;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
.panel-close{min-width:54px;min-height:44px;border:0;border-radius:11px;background:var(--bg-gray);color:var(--title)}
.mobile-menu-search{display:none;width:100%;min-height:46px;margin:0 0 18px;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);color:var(--blue);font-weight:800;text-align:left;padding:0 14px}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.channel-grid section{min-width:0}
.channel-grid h3{margin:0 0 10px;color:var(--title);font-size:15px}
.channel-grid a{display:block;padding:10px 8px;border-radius:12px;margin:2px -8px}
.channel-grid a:hover{background:var(--bg-soft)}
.channel-grid strong{display:block;color:var(--title);font-size:14px}
.channel-grid 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(--line);border-radius:14px;padding:0 18px;background:var(--bg-soft);color:var(--title);font-size:16px}
.search-columns{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;margin-top:22px}
.search-columns h3{margin:0 0 12px;color:var(--title);font-size:15px}
.search-chip-list{display:flex;flex-wrap:wrap;gap:9px}
.search-chip-list button{min-height:44px;border:0;background:var(--bg-blue);color:var(--blue-dark);padding:8px 12px;border-radius:999px}
.search-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.search-links h3{grid-column:1/-1}
.search-links a{padding:11px 12px;border:1px solid var(--gray-line);border-radius:12px;color:var(--title)}
.search-links a:hover{border-color:var(--line);background:var(--bg-soft)}
.search-links span{display:block;color:var(--muted);font-size:12px}
.search-empty{color:var(--muted);margin:18px 0 0}
.site-main{min-height:65vh}
.shell{max-width:var(--max);margin:0 auto;padding-left:22px;padding-right:22px}
.page-head{padding:72px 0 42px;background:linear-gradient(180deg,var(--bg-soft),#fff)}
.page-head .shell{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:50px;align-items:end}
.kicker{display:inline-flex;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.page-head h1,.hero h1{color:var(--title);font-size:clamp(34px,4vw,58px);line-height:1.15;letter-spacing:-.035em;margin:0}
.page-head p{font-size:17px;color:var(--muted);margin:18px 0 0;max-width:760px}
.page-head-aside{background:var(--bg-blue);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.page-head-aside strong{display:block;color:var(--title);margin-bottom:5px}
.page-head-aside a{color:var(--blue);font-weight:700}
.section{padding:58px 0}
.section.soft{background:var(--bg-soft)}
.section.blue{background:var(--bg-blue)}
.section.gray{background:var(--bg-gray)}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}
.section-title h2{margin:0;color:var(--title);font-size:clamp(26px,3vw,38px);line-height:1.2}
.section-title p{margin:8px 0 0;color:var(--muted);max-width:720px}
.text-link{color:var(--blue);font-weight:750;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 19px;border-radius:12px;background:linear-gradient(135deg,#3A96FF 0%,#1478F2 55%,#0863D3 100%);color:#fff;font-weight:800;box-shadow:var(--blue-shadow)}
.btn:hover{transform:translateY(-1px)}
.btn-secondary{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);font-weight:800;padding:0 6px}
.hero{padding:38px 0 22px;background:linear-gradient(180deg,#fff,var(--bg-soft))}
.hero-editor{display:grid;grid-template-columns:.9fr 1.35fr .9fr;gap:18px;align-items:stretch}
.hero-intro,.hero-main,.hero-side{border-radius:22px;border:1px solid var(--gray-line);background:#fff;box-shadow:var(--shadow)}
.hero-intro{padding:28px;display:flex;flex-direction:column;justify-content:space-between}
.hero-intro p{color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:22px}
.hero-main{overflow:hidden;position:relative;min-height:455px;background:linear-gradient(145deg,#0e6de1,#32a1ff)}
.hero-main img{width:100%;height:100%;object-fit:contain;background:#fff}
.hero-fallback{height:100%;min-height:455px;padding:38px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;position:relative;overflow:hidden}
.hero-fallback:before,.hero-fallback:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none}
.hero-fallback:before{width:320px;height:320px;right:-80px;top:-60px}
.hero-fallback:after{width:210px;height:210px;left:-60px;bottom:50px}
.hero-fallback .brand-mark{font-weight:900;font-size:20px;letter-spacing:.1em;position:relative;z-index:1}
.hero-fallback strong{font-size:42px;line-height:1.15;max-width:600px;position:relative;z-index:1;margin-top:12px}
.hero-side{padding:22px;display:grid;gap:10px}
.hero-side h2{font-size:17px;margin:0 0 6px;color:var(--title)}
.mini-entry{padding:14px;border-radius:14px;background:var(--bg-soft)}
.mini-entry strong{display:block;color:var(--title)}
.mini-entry p{font-size:13px;color:var(--muted);line-height:1.6;margin:5px 0 3px}
.mini-entry a{font-size:13px;color:var(--blue);font-weight:750}
.channel-strip{max-width:var(--max);margin:0 auto;padding:8px 22px 24px;display:flex;gap:10px;overflow-x:auto;overscroll-behavior-x:contain}
.channel-strip a{white-space:nowrap;display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
.channel-strip i{width:7px;height:7px;border-radius:50%;background:var(--blue);display:block}
.overview-grid{display:grid;grid-template-columns:1.2fr .9fr 1.05fr .85fr;gap:16px}
.overview-card{padding:23px;border-radius:18px;border:1px solid var(--gray-line);background:#fff}
.overview-card:nth-child(2),.overview-card:nth-child(4){margin-top:26px}
.overview-card h3{margin:0 0 8px;color:var(--title)}
.overview-card p{margin:0;color:var(--muted)}
.discussion-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.discussion-main{padding:30px;border-radius:22px;background:var(--title);color:#eaf3ff}
.discussion-main h3{font-size:30px;color:#fff;margin:0 0 13px;line-height:1.25}
.discussion-main p{margin:0;color:#d5e6f8}
.discussion-main a{display:inline-flex;margin-top:20px;color:#fff;font-weight:800;border-bottom:1px solid rgba(255,255,255,.45)}
.discussion-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.discussion-item{padding:18px;border-radius:16px;border:1px solid var(--gray-line);background:#fff}
.discussion-item h3{font-size:16px;margin:0 0 7px;color:var(--title)}
.discussion-item p{font-size:13px;line-height:1.65;color:var(--muted);margin:0 0 8px}
.city-map{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(140px,auto);gap:14px;position:relative}
.city-node{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;position:relative;overflow:hidden}
.city-node:after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-30px;bottom:-35px;background:var(--bg-blue);pointer-events:none}
.city-node:nth-child(1){grid-column:span 5}.city-node:nth-child(2){grid-column:span 3}.city-node:nth-child(3){grid-column:span 4}
.city-node:nth-child(4){grid-column:span 4}.city-node:nth-child(5){grid-column:span 5}.city-node:nth-child(6){grid-column:span 3}
.city-node h3{margin:0 0 8px;color:var(--title)}
.city-node p{margin:0;color:var(--muted);font-size:14px}
.life-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.life-card{border-radius:18px;background:#fff;border:1px solid var(--gray-line);padding:22px;min-height:190px}
.life-card:nth-child(1),.life-card:nth-child(4){grid-column:span 5}.life-card:nth-child(2),.life-card:nth-child(3){grid-column:span 3}.life-card:nth-child(5){grid-column:span 4}.life-card:nth-child(6){grid-column:span 4}
.life-card h3{margin:0;color:var(--title)}
.life-card p{color:var(--muted);font-size:14px}
.tags{display:flex;gap:7px;flex-wrap:wrap}
.tag{display:inline-flex;background:var(--bg-blue);color:var(--blue-dark);font-size:12px;border-radius:999px;padding:4px 9px}
.route-list{display:grid;gap:13px}
.route-item{display:grid;grid-template-columns:66px 1fr auto;gap:18px;align-items:start;padding:20px;border:1px solid var(--gray-line);background:#fff;border-radius:16px}
.route-num{width:50px;height:50px;border-radius:15px;background:var(--bg-blue);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900}
.route-item h3{margin:0;color:var(--title)}
.route-item p{margin:5px 0 0;color:var(--muted)}
.route-note{font-size:12px;color:var(--blue-dark);background:var(--bg-blue);padding:6px 9px;border-radius:999px;white-space:nowrap}
.interest-wall{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}
.interest-chip{flex:1 1 220px;min-width:180px;padding:20px;border:1px solid var(--gray-line);border-radius:18px;background:#fff}
.interest-chip:nth-child(3n+1){flex-basis:290px}
.interest-chip h3{margin:0 0 7px;color:var(--title)}
.interest-chip p{margin:0 0 10px;color:var(--muted);font-size:14px}
.qa-list{border-top:1px solid var(--gray-line)}
.qa-item{display:grid;grid-template-columns:44px 1fr auto;gap:15px;padding:22px 0;border-bottom:1px solid var(--gray-line)}
.qa-mark{width:40px;height:40px;border-radius:13px;background:var(--bg-blue);display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:900}
.qa-item h3{margin:0 0 6px;color:var(--title);font-size:17px}
.qa-item p{margin:0;color:var(--muted);font-size:14px}
.story-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.story-main{padding:30px;border-radius:22px;background:var(--bg-blue);border:1px solid var(--line)}
.story-main h3{margin:0;color:var(--title);font-size:28px}
.story-main p{color:var(--text)}
.story-list{display:grid;gap:11px}
.story-short{padding:18px;border:1px solid var(--gray-line);border-radius:16px;background:#fff}
.story-short h3{font-size:16px;margin:0;color:var(--title)}
.story-short p{font-size:14px;color:var(--muted);margin:7px 0}
.masonry{columns:3 260px;column-gap:14px}
.masonry article{break-inside:avoid;margin:0 0 14px;padding:20px;border:1px solid var(--gray-line);background:#fff;border-radius:18px}
.masonry article:nth-child(4n+1){background:var(--bg-blue)}
.masonry h3{margin:0 0 7px;color:var(--title)}
.masonry p{font-size:14px;color:var(--muted);margin:0 0 9px}
.guide-grid,.principle-grid,.service-grid,.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.guide-card,.principle-card,.service-card,.contact-card{padding:22px;border:1px solid var(--gray-line);border-radius:18px;background:#fff}
.guide-card h3,.principle-card h3,.service-card h3,.contact-card h3{margin:0 0 8px;color:var(--title)}
.guide-card p,.principle-card p,.service-card p,.contact-card p{margin:0;color:var(--muted);font-size:14px}
.split-feature{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.feature-panel{padding:30px;border-radius:22px;border:1px solid var(--line);background:var(--bg-soft)}
.feature-panel.alt{background:var(--title);color:#eaf3ff;border-color:transparent}
.feature-panel h2{margin:0 0 12px;color:var(--title)}
.feature-panel.alt h2{color:#fff}
.feature-panel p{margin:0 0 18px}
.feature-panel.alt p{color:#d7e7f8}
.bullet-list{display:grid;gap:8px;padding:0;margin:15px 0 0;list-style:none}
.bullet-list li{position:relative;padding-left:20px}
.bullet-list li:before{content:"";position:absolute;width:7px;height:7px;border-radius:50%;left:0;top:.72em;background:var(--blue)}
.feature-panel.alt .bullet-list li:before{background:#fff}
.brand-declaration{padding:58px;border-radius:26px;background:linear-gradient(135deg,#0b5ec8,#1a86f6);color:#eaf3ff;position:relative;overflow:hidden}
.brand-declaration:after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;right:-100px;top:-120px;background:rgba(255,255,255,.09);pointer-events:none}
.brand-declaration h2{font-size:clamp(30px,4vw,48px);line-height:1.18;color:#fff;margin:0 0 18px;max-width:780px;position:relative;z-index:1}
.brand-declaration p{max-width:920px;margin:0;position:relative;z-index:1}
.content-index{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start}
.content-index nav{position:sticky;top:calc(var(--nav-h) + 20px);padding:16px;border:1px solid var(--gray-line);border-radius:16px;background:#fff}
.content-index nav a{display:block;padding:8px 10px;border-radius:9px;color:var(--muted);font-size:14px}
.content-index nav a:hover{background:var(--bg-soft);color:var(--blue)}
.article-stack{display:grid;gap:18px}
.article-block{padding:27px;border-bottom:1px solid var(--gray-line);background:#fff}
.article-block:first-child{border-top:1px solid var(--gray-line)}
.article-block h2{margin:0 0 10px;color:var(--title);font-size:25px}
.article-block h3{margin:20px 0 8px;color:var(--title)}
.article-block p{margin:0 0 12px}
.article-block ul{margin:10px 0 0;padding-left:22px}
.notice-list{display:grid;gap:0;border-top:1px solid var(--gray-line)}
.notice-item{display:grid;grid-template-columns:150px 1fr auto;gap:20px;padding:22px 0;border-bottom:1px solid var(--gray-line);align-items:start}
.notice-label{color:var(--blue);font-weight:800}
.notice-item h2{font-size:19px;margin:0 0 6px;color:var(--title)}
.notice-item p{margin:0;color:var(--muted);font-size:14px}
.app-hero{display:grid;grid-template-columns:1fr .92fr;gap:34px;align-items:center;padding:60px 0}
.app-copy h1{font-size:clamp(36px,4vw,60px);line-height:1.12;margin:0;color:var(--title)}
.app-copy p{font-size:17px;color:var(--muted);margin:20px 0}
.app-visual{min-height:470px;border-radius:28px;background:linear-gradient(150deg,#eaf4ff,#cfe5ff);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;padding:30px;position:relative;overflow:hidden}
.app-visual img{max-height:520px;object-fit:contain}
.phone-fallback{width:245px;height:450px;background:#fff;border:10px solid #172033;border-radius:42px;box-shadow:var(--blue-shadow);padding:42px 20px 20px;position:relative}
.phone-fallback:before{content:"";position:absolute;width:90px;height:18px;border-radius:0 0 12px 12px;background:#172033;top:-1px;left:50%;transform:translateX(-50%)}
.phone-fallback .phone-brand{font-size:21px;font-weight:900;color:var(--blue);margin-bottom:20px}
.phone-fallback .phone-line{height:54px;border-radius:14px;background:var(--bg-blue);margin-bottom:12px}
.steps{counter-reset:steps;display:grid;gap:14px}
.step{counter-increment:steps;display:grid;grid-template-columns:50px 1fr;gap:16px;padding:20px;border:1px solid var(--gray-line);border-radius:16px;background:#fff}
.step:before{content:counter(steps);width:42px;height:42px;border-radius:14px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.step h2,.step h3{margin:0 0 6px;color:var(--title)}
.step p{margin:0;color:var(--muted)}
.risk-grid,.privacy-grid,.rules-grid,.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.risk-card,.privacy-card,.rule-card,.help-card{padding:23px;border-radius:18px;border:1px solid var(--gray-line);background:#fff}
.risk-card h2,.privacy-card h2,.rule-card h2,.help-card h2{font-size:20px;margin:0 0 8px;color:var(--title)}
.risk-card p,.privacy-card p,.rule-card p,.help-card p{margin:0;color:var(--muted)}
.warning{padding:22px;border-left:4px solid var(--blue);background:var(--bg-blue);border-radius:0 16px 16px 0}
.warning strong{color:var(--title)}
.faq-list{display:grid;gap:10px}
.faq-list details{border:1px solid var(--gray-line);border-radius:14px;background:#fff;padding:0 18px}
.faq-list summary{cursor:pointer;min-height:58px;display:flex;align-items:center;color:var(--title);font-weight:800}
.faq-list details p{margin:0 0 18px;color:var(--muted)}
.feedback-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.flow-card{padding:20px;border-radius:16px;background:var(--bg-soft);border:1px solid var(--gray-line)}
.flow-card span{display:block;color:var(--blue);font-size:12px;font-weight:900;margin-bottom:8px}
.site-footer{background:#0B1F38;color:#EAF3FF;padding:56px 0 calc(34px + env(safe-area-inset-bottom))}
.footer-shell{max-width:var(--max);margin:0 auto;padding:0 22px}
.footer-brand{max-width:720px;margin-bottom:32px}
.footer-brand-link{display:inline-flex;align-items:center}
.footer-logo{max-width:155px;max-height:42px;object-fit:contain}
.footer-brand-name{display:inline-block;font-size:24px;font-weight:900;color:#fff}
.footer-en{font-size:12px;letter-spacing:.18em;color:#a9c8e8;margin:8px 0 12px}
.footer-brand>p:last-child{color:#c5d8eb}
.footer-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1)}
.footer-nav h2{font-size:14px;margin:0 0 11px;color:#fff}
.footer-nav a{display:block;color:#bcd0e5;font-size:13px;padding:3px 0}
.footer-nav a:hover{color:#fff}
.footer-reminder{padding:20px 0;color:#b9cde2;font-size:13px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#8faac5;font-size:12px}
.footer-bottom a{color:#bcd0e5}
.mobile-bottom-nav{display:none}
@media(max-width:1120px){
  .desktop-brand{min-width:205px}.brand-note{display:none}
  .desktop-nav a{padding:0 8px;font-size:14px}
}
@media(max-width:900px){
  :root{--nav-h:64px}
  .nav-shell{padding:0 15px}
  .desktop-brand,.desktop-nav,.desktop-actions{display:none}
  .mobile-topbar{display:flex}
  .channel-menu{left:auto;width:min(88vw,420px);bottom:0;top:var(--nav-h);transform:translateX(100%);border-left:1px solid var(--gray-line);border-bottom:0}
  .channel-menu.is-open{transform:none}
  .channel-menu-inner{padding:20px 16px 28px;height:100%;max-height:none}
  .mobile-menu-search{display:block}
  .channel-grid{grid-template-columns:1fr}
  .channel-grid section{padding-bottom:12px;border-bottom:1px solid var(--gray-line)}
  .overlay{top:var(--nav-h)}
  .search-panel{inset:var(--nav-h) 0 0;transform:translateY(12px);border-bottom:0}
  .search-panel-inner{height:100%;max-height:none;padding:22px 15px 30px}
  .search-columns{grid-template-columns:1fr}
  .search-links{grid-template-columns:1fr}
  .page-head{padding:46px 0 28px}
  .page-head .shell{grid-template-columns:1fr;gap:18px}
  .hero{padding-top:22px}
  .hero-editor{grid-template-columns:1fr}
  .hero-intro{order:1}.hero-main{order:2;min-height:310px}.hero-side{order:3}
  .hero-fallback{min-height:310px}.hero-fallback strong{font-size:34px}
  .overview-grid,.discussion-grid,.story-layout,.split-feature,.app-hero,.content-index{grid-template-columns:1fr}
  .overview-card:nth-child(n){margin-top:0}
  .discussion-list{grid-template-columns:1fr 1fr}
  .city-node:nth-child(n){grid-column:span 6}
  .life-card:nth-child(n){grid-column:span 6}
  .route-item{grid-template-columns:54px 1fr}.route-note{grid-column:2}
  .guide-grid,.principle-grid,.service-grid,.contact-grid{grid-template-columns:1fr 1fr}
  .content-index nav{position:static;display:flex;overflow-x:auto;gap:5px;padding:8px}
  .content-index nav a{white-space:nowrap}
  .notice-item{grid-template-columns:120px 1fr}.notice-item .text-link{grid-column:2}
  .app-hero{padding:40px 0}
  .risk-grid,.privacy-grid,.rules-grid,.help-grid{grid-template-columns:1fr 1fr}
  .feedback-flow{grid-template-columns:1fr 1fr}
  .footer-nav{grid-template-columns:1fr 1fr}
  .mobile-bottom-nav{position:fixed;z-index:1000;left:0;right:0;bottom:0;height:calc(62px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);border-top:1px solid var(--gray-line);display:grid;grid-template-columns:repeat(5,1fr);box-shadow:0 -8px 24px rgba(15,45,75,.06)}
  .mobile-bottom-nav a{display:flex;min-height:56px;align-items:center;justify-content:center;flex-direction:column;gap:1px;color:var(--muted);font-size:11px}
  .mobile-bottom-nav a span{font-size:18px;line-height:1}
  .mobile-bottom-nav a.is-active{color:var(--blue);font-weight:800}
  .site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
}
@media(max-width:640px){
  .shell{padding-left:15px;padding-right:15px}
  .section{padding:42px 0}
  .section-title{align-items:flex-start;flex-direction:column;gap:10px}
  .page-head h1,.hero h1{font-size:36px}
  .page-head p{font-size:15px}
  .channel-strip{padding-left:15px;padding-right:15px}
  .hero-intro{padding:22px}
  .hero-main{min-height:270px}
  .hero-fallback{min-height:270px;padding:26px}.hero-fallback strong{font-size:29px}
  .discussion-list{grid-template-columns:1fr}
  .discussion-main{padding:24px}.discussion-main h3{font-size:25px}
  .city-node:nth-child(n),.life-card:nth-child(n){grid-column:span 12}
  .city-map{grid-auto-rows:auto}
  .route-item{grid-template-columns:48px 1fr;padding:16px;gap:12px}
  .route-num{width:42px;height:42px}
  .guide-grid,.principle-grid,.service-grid,.contact-grid{grid-template-columns:1fr}
  .brand-declaration{padding:34px 24px}
  .article-block{padding:22px 2px}
  .notice-item{grid-template-columns:1fr;gap:7px}.notice-item .text-link{grid-column:auto}
  .app-visual{min-height:390px;padding:20px}.phone-fallback{transform:scale(.86)}
  .risk-grid,.privacy-grid,.rules-grid,.help-grid{grid-template-columns:1fr}
  .feedback-flow{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:1fr 1fr;gap:20px 12px}
  .footer-bottom{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}