:root{
  --bg:#FFFFFF;
  --bg-2:#F7FAFE;
  --bg-blue:#EDF5FF;
  --bg-blue-2:#E3F0FF;
  --bg-gray:#F4F6F9;
  --title:#17243A;
  --text:#3C495D;
  --muted:#6E7988;
  --hint:#99A2AF;
  --blue:#1478F2;
  --blue-bright:#348FFF;
  --blue-deep:#0765D4;
  --blue-dark:#094D9E;
  --blue-light:#DCEBFF;
  --white:#FFFFFF;
  --border:rgba(20,120,242,0.12);
  --border-neutral:rgba(20,40,70,0.08);
  --shadow:0 14px 38px rgba(35,72,118,0.08);
  --shadow-brand:0 16px 44px rgba(20,120,242,0.14);
  --gradient:linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%);
  --footer:#091E39;
  --footer-text:#E9F3FF;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
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:1.72;
  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}
a,button,input,summary{outline:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(20,120,242,.24);
  outline-offset:3px
}
.shell{width:min(1320px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border-neutral);
  backdrop-filter:saturate(150%) blur(14px)
}
.desktop-nav{
  height:72px;
  display:flex;
  align-items:center;
  gap:20px
}
.brand-link{
  display:flex;
  align-items:center;
  min-width:174px;
  max-width:220px;
  height:56px
}
.brand-logo{max-height:42px;max-width:100%;object-fit:contain}
.brand-fallback{
  display:flex;
  flex-direction:column;
  justify-content:center;
  line-height:1.05;
  background:var(--blue);
  color:#fff;
  border-radius:10px;
  padding:8px 11px
}
.brand-fallback strong{font-size:18px;letter-spacing:.08em}
.brand-fallback small{font-size:9px;margin-top:5px;letter-spacing:.08em}
.primary-nav{
  display:flex;
  align-items:center;
  gap:4px;
  white-space:nowrap;
  min-width:0
}
.primary-nav a,.text-nav{
  position:relative;
  min-height:44px;
  display:inline-flex;
  align-items:center;
  padding:0 11px;
  border-radius:10px;
  color:var(--text);
  font-size:15px;
  font-weight:650;
  white-space:nowrap
}
.primary-nav a:hover,.text-nav:hover{background:var(--bg-blue);color:var(--blue)}
.primary-nav a.is-current,.text-nav.is-current{color:var(--blue)}
.primary-nav a.is-current:after,.text-nav.is-current:after{
  content:"";
  position:absolute;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--blue);
  left:50%;bottom:2px;
  transform:translateX(-50%)
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:4px}
.icon-button,.grid-button,.panel-close{
  border:0;
  background:transparent;
  min-width:44px;
  height:44px;
  border-radius:12px;
  color:var(--title)
}
.icon-button:hover,.grid-button:hover,.panel-close:hover{background:var(--bg-blue)}
.search-glyph{
  display:inline-block;
  width:18px;height:18px;
  border:2px solid var(--blue);
  border-radius:50%;
  position:relative
}
.search-glyph:after{
  content:"";
  position:absolute;
  width:7px;height:2px;
  background:var(--blue);
  right:-5px;bottom:-2px;
  transform:rotate(45deg);
  border-radius:2px
}
.grid-button{
  display:grid;
  grid-template-columns:repeat(3,4px);
  grid-template-rows:repeat(3,4px);
  gap:4px;
  place-content:center
}
.grid-button span{display:block;width:4px;height:4px;background:var(--blue);border-radius:1px}
.mobile-nav{display:none;height:64px;align-items:center;justify-content:space-between}
.mobile-brand{display:flex;align-items:center;justify-content:center;max-width:190px;height:48px}
.brand-fallback.compact{padding:6px 9px}
.brand-fallback.compact strong{font-size:16px}
.brand-fallback.compact small{font-size:8px}
main{padding-top:72px}
.content-index{border-bottom:1px solid var(--border-neutral);background:#fff}
.content-index .shell{
  display:flex;align-items:center;gap:24px;min-height:52px;
  overflow-x:auto;
  scrollbar-width:none
}
.content-index .shell::-webkit-scrollbar{display:none}
.content-index a{font-size:14px;white-space:nowrap;color:var(--muted)}
.content-index a:hover,.content-index a.is-current{color:var(--blue)}
.content-index a.is-current:before{
  content:"";
  display:inline-block;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--blue);
  margin-right:7px;
  vertical-align:middle
}
.eyebrow{
  font-size:12px;
  letter-spacing:.12em;
  font-weight:800;
  color:var(--blue);
  margin:0 0 10px;
  text-transform:uppercase
}
.hero{
  padding:74px 0 64px;
  background:linear-gradient(180deg,var(--bg-2) 0%,#fff 100%);
  position:relative;
  overflow:hidden
}
.hero:before{
  content:"";
  position:absolute;
  width:460px;height:460px;
  border:1px solid rgba(20,120,242,.08);
  border-radius:50%;
  right:-140px;top:-170px;
  pointer-events:none
}
.hero h1,.page-head h1{
  color:var(--title);
  line-height:1.12;
  margin:0;
  font-size:clamp(38px,5vw,72px);
  letter-spacing:-.045em
}
.hero p.lead,.page-head .lead{font-size:18px;max-width:800px;color:var(--muted)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 22px;
  border-radius:12px;
  background:var(--gradient);
  color:#fff;
  font-weight:750;
  box-shadow:var(--shadow-brand);
  transition:transform .2s ease
}
.btn:hover{transform:translateY(-2px)}
.btn.secondary{background:#fff;color:var(--blue);border:1px solid rgba(20,120,242,.2);box-shadow:none}
.text-link{color:var(--blue);font-weight:750}
.text-link:hover{text-decoration:underline}
.section{padding:72px 0}
.section.alt{background:var(--bg-2)}
.section.blue-soft{background:var(--bg-blue)}
.section.dark{background:var(--footer);color:var(--footer-text)}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px
}
.section-head h2{
  font-size:clamp(28px,3.5vw,46px);
  color:var(--title);
  line-height:1.18;
  margin:0
}
.section-head p{margin:0;max-width:640px;color:var(--muted)}
.dark .section-head h2,.dark h2,.dark h3{color:#fff}
.dark .section-head p,.dark p{color:#C9D9ED}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{
  background:#fff;
  border:1px solid var(--border-neutral);
  border-radius:16px;
  padding:24px;
  box-shadow:0 14px 38px rgba(35,72,118,.05)
}
.card h3{margin:0 0 12px;color:var(--title);font-size:21px;line-height:1.35}
.card p{margin:0 0 14px}
.card .meta{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.07em}
.number-card{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:20px;
  padding:28px 0;
  border-top:1px solid rgba(20,40,70,.1)
}
.number-card .num{font-size:34px;line-height:1;color:var(--blue);font-weight:850}
.number-card h3{margin:0 0 10px;font-size:25px;color:var(--title)}
.number-card p{margin:0 0 10px}
.masonry{columns:3 280px;column-gap:20px}
.masonry .card{break-inside:avoid;margin:0 0 20px}
.tag-wall{display:flex;flex-wrap:wrap;gap:12px}
.tag-wall a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  border-radius:999px;
  padding:0 18px;
  background:#fff;
  border:1px solid rgba(20,120,242,.16);
  color:var(--blue);
  font-weight:700
}
.tag-wall a:nth-child(3n){font-size:18px;padding-inline:24px}
.tag-wall a:nth-child(4n){background:var(--bg-blue)}
.timeline{position:relative;margin-top:30px}
.timeline:before{
  content:"";
  position:absolute;
  left:28px;top:0;bottom:0;
  width:2px;
  background:var(--blue-light)
}
.timeline-item{position:relative;padding:0 0 34px 84px}
.timeline-item .node{
  position:absolute;left:0;top:0;
  width:58px;height:58px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--blue);
  color:#fff;
  font-weight:850;
  box-shadow:var(--shadow-brand);
  font-size:12px
}
.timeline-item h3{margin:0 0 8px;color:var(--title);font-size:23px}
.timeline-item p{margin:0}
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
.feature-visual{
  min-height:360px;
  border-radius:20px;
  background:linear-gradient(145deg,var(--blue),var(--blue-dark));
  position:relative;
  overflow:hidden;
  padding:34px;
  color:#fff
}
.feature-visual:before,.feature-visual:after{
  content:"";
  position:absolute;
  border:1px solid rgba(255,255,255,.28);
  border-radius:50%;
  pointer-events:none
}
.feature-visual:before{width:280px;height:280px;right:-70px;bottom:-100px}
.feature-visual:after{width:120px;height:120px;right:80px;top:40px}
.feature-visual h2,.feature-visual h3,.feature-visual p,.feature-visual a{position:relative;z-index:2}
.feature-visual h2,.feature-visual h3{color:#fff}
.feature-visual p{color:#E9F3FF}
.image-wrap{border-radius:20px;overflow:hidden;background:var(--bg-blue-2);border:1px solid var(--border)}
.image-wrap img{width:100%;height:auto;object-fit:contain}
.magazine-grid{
  display:grid;
  grid-template-columns:1.3fr .7fr .9fr;
  grid-auto-rows:minmax(190px,auto);
  gap:18px
}
.magazine-grid .card:first-child{grid-row:span 2}
.magazine-grid .wide{grid-column:span 2}
.plan-board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.plan-col{background:#fff;border-radius:16px;border:1px solid var(--border-neutral);overflow:hidden}
.plan-col h3{margin:0;padding:18px 20px;background:var(--bg-blue);color:var(--blue)}
.plan-col article{padding:18px 20px;border-top:1px solid rgba(20,40,70,.06)}
.plan-col article h4{margin:0 0 8px;color:var(--title)}
.plan-col article p{margin:0;font-size:14px}
.story-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:30px}
.story-main{font-size:17px}
.story-main h2{font-size:36px;color:var(--title);line-height:1.25}
.story-main p{margin:0 0 20px}
.quote{
  border-left:4px solid var(--blue);
  background:var(--bg-blue);
  padding:18px 22px;
  border-radius:0 14px 14px 0;
  color:var(--title)
}
.notice-board{border-top:3px solid var(--blue)}
.notice-row{
  display:grid;
  grid-template-columns:160px 1fr 130px;
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--border-neutral);
  align-items:start
}
.notice-row strong{color:var(--title)}
.status{
  font-size:12px;
  color:var(--blue);
  font-weight:800;
  background:var(--bg-blue);
  border-radius:999px;
  padding:6px 10px;
  display:inline-flex;
  justify-self:start
}
.article-list{display:grid;gap:20px}
.article-row{
  display:grid;
  grid-template-columns:90px 1fr auto;
  gap:22px;
  align-items:start;
  padding:24px 0;
  border-top:1px solid var(--border-neutral)
}
.article-row .index{font-size:30px;color:var(--blue);font-weight:850}
.article-row h3{margin:0 0 8px;color:var(--title)}
.article-row p{margin:0}
.collection-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.collection-item{grid-column:span 4}
.collection-item:nth-child(1),.collection-item:nth-child(5){grid-column:span 7}
.collection-item:nth-child(2),.collection-item:nth-child(6){grid-column:span 5}
.faq details{
  background:#fff;
  border:1px solid var(--border-neutral);
  border-radius:14px;
  padding:0 20px;
  margin-bottom:12px
}
.faq summary{
  cursor:pointer;
  min-height:62px;
  display:flex;
  align-items:center;
  color:var(--title);
  font-weight:750
}
.faq details p{padding:0 0 20px;margin:0;color:var(--text)}
.page-head{
  padding:70px 0 44px;
  background:var(--bg-2);
  border-bottom:1px solid rgba(20,40,70,.06)
}
.page-head .breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
.page-head .breadcrumbs a{color:var(--blue)}
.prose{max-width:900px}
.prose h2{color:var(--title);font-size:30px;margin:44px 0 14px}
.prose h3{color:var(--title);font-size:22px;margin:28px 0 10px}
.prose p{font-size:17px;margin:0 0 18px}
.prose ul{padding-left:20px}
.aside-note{
  background:var(--bg-blue);
  border-radius:14px;
  padding:22px;
  border-left:3px solid var(--blue)
}
.steps{counter-reset:step;display:grid;gap:14px}
.step{
  counter-increment:step;
  display:grid;
  grid-template-columns:52px 1fr;
  gap:16px;
  padding:20px;
  background:#fff;
  border:1px solid var(--border-neutral);
  border-radius:14px
}
.step:before{
  content:counter(step,decimal-leading-zero);
  display:grid;
  place-items:center;
  width:52px;height:52px;
  background:var(--blue);
  color:#fff;
  border-radius:50%;
  font-weight:850
}
.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.risk-card{
  padding:22px;
  border-radius:16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12)
}
.risk-card h3{margin-top:0}
.app-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}
.app-mock{
  min-height:440px;
  border-radius:30px;
  background:linear-gradient(180deg,var(--bg-blue-2),#fff);
  border:1px solid rgba(20,120,242,.16);
  display:grid;
  place-items:center;
  padding:24px
}
.app-mock .phone{
  width:240px;
  aspect-ratio:9/18;
  border-radius:36px;
  border:9px solid var(--title);
  background:#fff;
  padding:18px;
  box-shadow:0 22px 60px rgba(9,30,57,.14)
}
.app-mock .phone div{height:80px;border-radius:14px;background:var(--bg-blue);margin-bottom:14px}
.app-mock .phone div:first-child{height:120px;background:linear-gradient(145deg,var(--blue),var(--blue-bright))}
.overlay{
  position:fixed;
  inset:72px 0 0;
  background:rgba(9,30,57,.28);
  z-index:84;
  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease
}
.overlay.is-open{opacity:1;pointer-events:auto}
.overlay[hidden]{display:none}
.explore-panel,.search-panel{
  position:fixed;
  left:0;right:0;top:72px;
  z-index:85;
  background:#fff;
  max-height:85vh;
  overflow:auto;
  visibility:hidden;
  opacity:0;
  pointer-events:none;
  transform:translateY(-12px);
  transition:.18s ease;
  border-bottom:1px solid rgba(20,40,70,.1);
  box-shadow:0 20px 60px rgba(9,30,57,.14)
}
.explore-panel.is-open,.search-panel.is-open{
  visibility:visible;
  opacity:1;
  pointer-events:auto;
  transform:translateY(0)
}
.panel-shell,.search-shell{width:min(1320px,calc(100% - 40px));margin:0 auto;padding:28px 0 34px}
.panel-head,.search-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px
}
.panel-head h2,.search-head h2{margin:0;color:var(--title)}
.panel-brand{display:flex;align-items:center;max-width:180px}
.explore-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.explore-grid section{min-width:0}
.explore-grid h3{margin:0 0 12px;color:var(--title);font-size:16px}
.explore-grid a{display:block;padding:12px;border-radius:12px}
.explore-grid a:hover{background:var(--bg-blue)}
.explore-grid strong{display:block;color:var(--title)}
.explore-grid span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:4px}
.search-box{
  height:58px;
  border:1px solid rgba(20,120,242,.2);
  border-radius:16px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 18px;
  background:var(--bg-2)
}
.search-box input{border:0;background:transparent;width:100%;height:100%;font-size:17px;color:var(--title)}
.search-layout{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;margin-top:24px}
.search-layout h3{font-size:15px;color:var(--title)}
.keyword-list,.inline-links{display:flex;flex-wrap:wrap;gap:9px}
.keyword-list a,.inline-links a{
  padding:8px 12px;
  border-radius:999px;
  background:var(--bg-blue);
  color:var(--blue);
  font-size:13px
}
.keyword-list a[hidden]{display:none}
.search-note{color:var(--muted);font-size:13px}
.mobile-bottom-nav{display:none}
.site-footer{background:var(--footer);color:var(--footer-text);padding:58px 0 96px}
.footer-grid{display:grid;grid-template-columns:1.8fr repeat(4,1fr);gap:34px}
.footer-brand p{color:#BFD0E6;max-width:430px}
.footer-logo{max-width:180px;margin-bottom:18px}
.footer-fallback{display:inline-flex;margin-bottom:18px}
.site-footer h2,.site-footer h3{color:#fff}
.site-footer h2{margin:0}
.site-footer h3{font-size:15px;margin:0 0 14px}
.site-footer a{display:block;color:#C7D6E8;padding:4px 0}
.site-footer a:hover{color:#fff}
.footer-en{font-size:11px;letter-spacing:.12em}
.footer-note{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:36px;
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  gap:24px;
  color:#AFC2DA;
  font-size:13px
}
.footer-note p{margin:0;max-width:780px}
.hero-explorer{padding:34px 0 54px;background:var(--bg-2)}
.explorer-grid{display:grid;grid-template-columns:28fr 47fr 25fr;gap:20px;align-items:stretch}
.explorer-left,.explorer-right{
  background:#fff;
  border:1px solid var(--border-neutral);
  border-radius:18px;
  padding:28px
}
.explorer-left h1{
  font-size:clamp(34px,4vw,58px);
  line-height:1.08;
  color:var(--title);
  margin:8px 0 18px;
  letter-spacing:-.04em
}
.explorer-left p{color:var(--muted)}
.explorer-actions{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}
.mini-index{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
.mini-index a{
  padding:12px;
  border-radius:12px;
  background:var(--bg-2);
  color:var(--blue);
  font-size:13px;
  font-weight:750
}
.cover-center{
  border-radius:20px;
  overflow:hidden;
  min-height:520px;
  position:relative;
  background:linear-gradient(145deg,var(--blue),var(--blue-dark));
  display:flex;
  align-items:flex-end
}
.cover-center img{width:100%;height:100%;object-fit:contain;position:absolute;inset:0}
.cover-fallback{padding:38px;color:#fff;position:relative;z-index:2}
.cover-fallback h2{font-size:46px;margin:0 0 10px}
.cover-fallback p{max-width:500px;color:#DDEBFF}
.explorer-right h2{font-size:18px;color:var(--title);margin:0 0 18px}
.discover-item{padding:16px 0;border-top:1px solid var(--border-neutral)}
.discover-item:first-of-type{border-top:0}
.discover-item h3{font-size:17px;margin:0 0 6px;color:var(--title)}
.discover-item p{font-size:13px;margin:0 0 6px;color:var(--muted)}
.brand-declaration{
  background:linear-gradient(145deg,#fff 0%,var(--bg-blue) 100%);
  border:1px solid rgba(20,120,242,.14);
  border-radius:24px;
  padding:48px
}
.brand-declaration h2{
  font-size:clamp(34px,4vw,58px);
  color:var(--title);
  margin:0 0 20px;
  max-width:880px
}
.brand-declaration p{font-size:18px;max-width:980px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-weight:800}
.hero-kicker:before{content:"";width:26px;height:1px;background:var(--blue)}
.cols{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:42px}
.side-index{
  position:sticky;
  top:100px;
  align-self:start;
  background:var(--bg-2);
  border-radius:16px;
  padding:22px
}
.side-index h3{margin-top:0;color:var(--title)}
.side-index a{display:block;padding:8px 0;color:var(--blue)}
.muted{color:var(--muted)}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  border-radius:999px;
  background:var(--bg-blue);
  color:var(--blue);
  padding:0 10px;
  font-size:12px;
  font-weight:800
}
.big-number{
  font-size:clamp(60px,10vw,140px);
  font-weight:900;
  line-height:.8;
  color:var(--blue-light);
  letter-spacing:-.08em
}
.feature-number{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:24px;
  padding:36px 0;
  border-top:1px solid var(--border-neutral)
}
.feature-number .label{font-size:13px;letter-spacing:.13em;color:var(--blue);font-weight:850}
.feature-number h2{margin:8px 0 12px;color:var(--title);font-size:34px}
.feature-number p{margin:0 0 10px}
.principle{position:relative;padding-left:54px}
.principle:before{
  content:"";
  position:absolute;
  left:20px;top:28px;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--blue);
  box-shadow:inset 0 0 0 7px var(--blue-light)
}
.contact-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.contact-flow .step-card{border:1px solid var(--border-neutral);border-radius:14px;padding:18px}
.step-card span{color:var(--blue);font-weight:850}
.page-note{font-size:14px;color:var(--muted)}
.soft-callout{padding:26px;border-radius:16px;background:var(--bg-blue);border:1px solid var(--border)}
.soft-callout h3{margin-top:0;color:var(--title)}
.list-clean{list-style:none;padding:0;margin:0}
.list-clean li{padding:11px 0;border-bottom:1px solid var(--border-neutral)}
.list-clean li:last-child{border-bottom:0}

@media (max-width:1180px){
  .desktop-nav{gap:10px}
  .brand-link{min-width:145px}
  .primary-nav a,.text-nav{padding-inline:8px;font-size:14px}
  .explorer-grid{grid-template-columns:1fr 1.5fr}
  .explorer-right{grid-column:1/-1}
  .explore-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.6fr repeat(2,1fr)}
  .plan-board{grid-template-columns:repeat(2,1fr)}
  .search-layout{grid-template-columns:2fr 1fr 1fr}
  .search-layout section:last-child{grid-column:1/-1}
  .risk-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .desktop-nav{display:none}
  .mobile-nav{display:flex}
  .site-header{height:64px}
  main{padding-top:64px}
  .overlay{inset:64px 0 0}
  .explore-panel,.search-panel{top:64px;bottom:0;max-height:none}
  .explore-grid{grid-template-columns:1fr 1fr}
  .explorer-grid,.feature-grid,.story-layout,.app-layout,.cols{grid-template-columns:1fr}
  .cover-center{min-height:360px;order:2}
  .explorer-right{order:3}
  .explorer-left{order:1}
  .mini-index{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .magazine-grid{grid-template-columns:1fr 1fr}
  .magazine-grid .card:first-child{grid-row:auto}
  .collection-item,.collection-item:nth-child(1),.collection-item:nth-child(2),.collection-item:nth-child(5),.collection-item:nth-child(6){grid-column:span 6}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .feature-number{grid-template-columns:120px 1fr}
  .notice-row{grid-template-columns:120px 1fr}
  .notice-row .status{grid-column:2}
  .contact-flow{grid-template-columns:repeat(2,1fr)}
  .search-layout{grid-template-columns:1fr 1fr}
  .search-layout section:first-child,.search-layout section:last-child{grid-column:1/-1}
  .mobile-bottom-nav{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:82;
    display:grid;
    grid-template-columns:repeat(5,1fr);
    min-height:58px;
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,255,255,.97);
    border-top:1px solid var(--border-neutral);
    backdrop-filter:blur(12px)
  }
  .mobile-bottom-nav a{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:2px;
    min-height:58px;
    color:var(--muted);
    font-size:11px
  }
  .mobile-bottom-nav a span{font-size:18px;line-height:1}
  .mobile-bottom-nav a strong{font-weight:650}
  .mobile-bottom-nav a.is-current{color:var(--blue)}
  .site-footer{padding-bottom:150px}
}
@media (max-width:640px){
  .shell,.panel-shell,.search-shell{width:min(100% - 30px,1320px)}
  .hero,.section{padding:52px 0}
  .page-head{padding:52px 0 32px}
  .page-head h1,.hero h1{font-size:40px}
  .section-head{align-items:start;flex-direction:column}
  .grid-2,.grid-3,.grid-4,.explore-grid,.plan-board,.risk-grid,.search-layout{grid-template-columns:1fr}
  .search-layout section:first-child,.search-layout section:last-child{grid-column:auto}
  .explore-panel{top:0;z-index:90}
  .panel-shell{padding-top:18px}
  .panel-head{position:sticky;top:0;background:#fff;padding:10px 0 14px;z-index:2}
  .panel-title{display:none}
  .explorer-left,.explorer-right{padding:22px}
  .cover-center{min-height:300px}
  .cover-fallback h2{font-size:34px}
  .number-card{grid-template-columns:52px 1fr;gap:14px}
  .number-card .num{font-size:26px}
  .number-card h3{font-size:21px}
  .magazine-grid{grid-template-columns:1fr}
  .magazine-grid .wide{grid-column:auto}
  .collection-grid{display:grid;grid-template-columns:1fr}
  .collection-item,.collection-item:nth-child(n){grid-column:auto}
  .article-row{grid-template-columns:52px 1fr}
  .article-row .text-link{grid-column:2}
  .notice-row{grid-template-columns:1fr;gap:10px}
  .notice-row .status{grid-column:auto}
  .timeline:before{left:22px}
  .timeline-item{padding-left:66px}
  .timeline-item .node{width:46px;height:46px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1/-1}
  .footer-note{flex-direction:column}
  .brand-declaration{padding:30px 22px}
  .feature-number{grid-template-columns:1fr}
  .feature-number .big-number{font-size:72px}
  .contact-flow{grid-template-columns:1fr}
  .app-mock{min-height:360px}
  .masonry{columns:1}
  .side-index{position:static}
  .article-row{padding-block:18px}
  .content-index .shell{gap:18px}
  .hero-explorer{padding-top:22px}
  .mobile-brand .brand-logo{max-height:38px}
  .search-panel{top:0;z-index:90}
  .search-shell{padding-top:18px}
  .search-head{position:sticky;top:0;background:#fff;padding:10px 0 14px;z-index:2}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{transition:none!important;animation:none!important}
}