:root {
  --bg: #FFFFFF;
  --bg-soft: #F7FAFE;
  --bg-blue: #EDF5FF;
  --bg-blue-2: #E3F0FF;
  --bg-gray: #F4F6F9;
  --title: #17243A;
  --text: #3C495D;
  --muted: #6E7988;
  --faint: #99A2AF;
  --blue: #1478F2;
  --blue-bright: #348FFF;
  --blue-dark: #0765D4;
  --navy: #094D9E;
  --pale-blue: #DCEBFF;
  --white: #FFFFFF;
  --line: rgba(20,120,242,0.12);
  --line-neutral: rgba(20,40,70,0.08);
  --shadow: 0 14px 38px rgba(35,72,118,0.08);
  --shadow-blue: 0 16px 44px rgba(20,120,242,0.14);
  --gradient: linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%);
  --footer: #091E39;
  --footer-text: #E9F3FF;
  --header-h: 72px;
  --max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  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;
  text-rendering: optimizeLegibility;
}
body.panel-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
button, input { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
section, article, aside, header, footer, nav, main { min-width: 0; }
::selection { background: var(--pale-blue); color: var(--title); }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 9999;
  padding: 10px 14px;
  transform: translateY(-140%);
  background: var(--title);
  color: #fff;
  border-radius: 8px;
}
.skip-link:focus { transform: translateY(0); }
.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: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  height: var(--header-h);
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line-neutral);
  backdrop-filter: blur(14px);
}
.desktop-nav-wrap {
  width: min(calc(100% - 32px), var(--max));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}
.brand-link { flex: 0 0 auto; display: flex; align-items: center; min-width: 162px; height: 54px; }
.brand-logo { max-width: 156px; max-height: 44px; object-fit: contain; }
.brand-fallback { display: inline-flex; flex-direction: column; gap: 0; line-height: 1.08; }
.brand-fallback strong { color: var(--blue); font-size: 22px; letter-spacing: .08em; }
.brand-fallback small { color: var(--muted); font-size: 8px; letter-spacing: .13em; margin-top: 4px; }
.desktop-nav { flex: 1 1 auto; display: flex; align-items: center; gap: 2px; min-width: 0; }
.desktop-nav a, .nav-text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--title);
  font-size: 14px;
  transition: background .18s ease, color .18s ease;
}
.desktop-nav a:hover, .nav-text-link:hover { background: var(--bg-blue); color: var(--blue); }
.desktop-nav a.is-current, .nav-text-link.is-current { color: var(--blue); font-weight: 700; }
.desktop-nav a.is-current::after, .nav-text-link.is-current::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 5px;
  height: 5px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--blue);
  pointer-events: none;
}
.nav-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 3px; }
.icon-button, .panel-close, .search-keywords button {
  border: 0;
  background: transparent;
  cursor: pointer;
}
.icon-button {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 10px;
  color: var(--title);
}
.icon-button:hover { background: var(--bg-blue); color: var(--blue); }
.action-text { font-size: 13px; }
.grid-icon { width: 18px; height: 18px; display: grid; grid-template-columns: repeat(3, 4px); grid-template-rows: repeat(3, 4px); gap: 3px; }
.grid-icon i { width: 4px; height: 4px; background: currentColor; border-radius: 1px; }
.mobile-topbar { display: none; }

.site-main { padding-top: var(--header-h); }
.page-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.section-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.section-space { padding: 78px 0; }
.section-space.compact { padding: 54px 0; }
.section-soft { background: var(--bg-soft); }
.section-blue { background: var(--bg-blue); }
.section-gray { background: var(--bg-gray); }
.section-navy { background: #0B2E58; color: #EAF4FF; }
.section-navy h2, .section-navy h3, .section-navy strong { color: #fff; }
.section-navy a { color: #DDEEFF; }
.section-navy a:hover { color: #fff; }
.eyebrow { display: inline-block; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.kicker { color: var(--blue); font-weight: 700; font-size: 14px; }
h1, h2, h3, h4 { margin: 0; color: var(--title); line-height: 1.22; }
h1 { font-size: clamp(38px, 5.2vw, 72px); letter-spacing: -.035em; }
h2 { font-size: clamp(28px, 3vw, 44px); letter-spacing: -.025em; }
h3 { font-size: 20px; }
p { margin: 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.section-heading > div { max-width: 760px; }
.section-heading p { margin-top: 12px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--blue); font-weight: 700; gap: 8px; }
.text-link::after { content: "→"; transition: transform .18s ease; }
.text-link:hover::after { transform: translateX(3px); }
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  background: var(--gradient);
  color: #fff;
  font-weight: 800;
  box-shadow: var(--shadow-blue);
}
.primary-link:hover { color: #fff; transform: translateY(-1px); }
.secondary-link { display: inline-flex; min-height: 44px; align-items: center; color: var(--blue); font-weight: 700; }

/* Home explorer */
.home-hero { position: relative; overflow: hidden; background: linear-gradient(180deg,#fff 0%,#F7FBFF 100%); }
.home-hero::before, .home-hero::after, .magazine-hero::before {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
}
.home-hero::before { width: 360px; height: 360px; right: -120px; top: 40px; border: 1px solid var(--line); box-shadow: 0 0 0 70px rgba(20,120,242,.025), 0 0 0 140px rgba(20,120,242,.02); }
.home-hero::after { width: 8px; height: 8px; left: 6%; top: 24%; background: var(--blue); box-shadow: 56px 88px 0 #B5D8FF, 122px 12px 0 #D9EAFE, 230px 122px 0 #C6E1FF; }
.explorer-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 28fr 47fr 25fr; min-height: 610px; }
.explorer-intro, .explorer-cover, .explorer-discover { padding: 72px 34px 58px; }
.explorer-intro { display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line-neutral); }
.explorer-intro h1 { font-size: clamp(36px,4vw,58px); margin: 20px 0 24px; }
.explorer-intro p { color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 30px; }
.hero-mini-index { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 38px; }
.hero-mini-index a { min-height: 72px; padding: 14px; border: 1px solid var(--line); background: #fff; border-radius: 12px; }
.hero-mini-index strong { display: block; color: var(--title); }
.hero-mini-index span { display: block; color: var(--muted); font-size: 12px; margin-top: 5px; }
.explorer-cover { display: flex; align-items: stretch; }
.cover-visual { position: relative; width: 100%; min-height: 470px; border-radius: 18px; overflow: hidden; background: linear-gradient(145deg,#E7F3FF,#D4EAFF 55%,#F8FBFF); box-shadow: var(--shadow); }
.cover-visual img { width: 100%; height: 100%; object-fit: contain; background: #F3F8FF; }
.cover-fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 50px; background: radial-gradient(circle at 76% 20%,rgba(52,143,255,.34),transparent 28%), linear-gradient(135deg,#E9F5FF 0%,#F7FBFF 52%,#D8ECFF 100%); }
.cover-fallback::before { content: ""; position: absolute; inset: 10% 8%; border: 1px solid rgba(20,120,242,.18); border-radius: 47% 53% 44% 56% / 42% 36% 64% 58%; transform: rotate(-7deg); }
.cover-fallback div { position: relative; max-width: 420px; text-align: center; }
.cover-fallback strong { display: block; color: var(--blue); font-size: clamp(44px,7vw,86px); letter-spacing: .08em; line-height: 1; }
.cover-fallback span { display: block; margin-top: 16px; color: var(--title); letter-spacing: .25em; font-size: 12px; }
.explorer-discover { display: flex; flex-direction: column; justify-content: center; border-left: 1px solid var(--line-neutral); }
.explorer-discover > span { margin-bottom: 20px; }
.discovery-item { padding: 20px 0; border-top: 1px solid var(--line-neutral); }
.discovery-item:first-of-type { border-top: 0; }
.discovery-item h2 { font-size: 18px; margin-bottom: 8px; }
.discovery-item p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.discovery-item a { margin-top: 8px; color: var(--blue); font-size: 13px; font-weight: 700; }
.content-index { border-top: 1px solid var(--line-neutral); border-bottom: 1px solid var(--line-neutral); background: #fff; }
.content-index .section-shell { display: flex; align-items: center; overflow-x: auto; scrollbar-width: none; }
.content-index .section-shell::-webkit-scrollbar { display: none; }
.content-index a { flex: 0 0 auto; min-height: 54px; display: inline-flex; align-items: center; padding: 0 22px; color: var(--muted); font-size: 14px; }
.content-index a:hover { color: var(--blue); }
.content-index a::before { content: ""; width: 5px; height: 5px; margin-right: 9px; border-radius: 50%; background: #C7D0DC; }
.content-index a:hover::before, .content-index a.is-current::before { background: var(--blue); }

.editor-picks { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.pick-item { grid-column: span 4; position: relative; min-height: 240px; padding: 26px; border: 1px solid var(--line-neutral); background: #fff; border-radius: 12px; overflow: hidden; }
.pick-item:nth-child(2), .pick-item:nth-child(5) { grid-column: span 5; }
.pick-item:nth-child(3), .pick-item:nth-child(4) { grid-column: span 3; }
.pick-number { color: var(--blue); font-size: 40px; font-weight: 900; letter-spacing: -.05em; }
.pick-label { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.pick-item h3 { margin: 14px 0 12px; font-size: 24px; }
.pick-item p { color: var(--muted); }
.pick-item .text-link { margin-top: 16px; }

.map-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.map-card { grid-column: span 4; position: relative; min-height: 270px; padding: 28px; border-radius: 16px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(35,72,118,.04); overflow: hidden; }
.map-card.wide { grid-column: span 8; min-height: 330px; background: linear-gradient(125deg,#E6F2FF,#F9FCFF); }
.map-card.tall { min-height: 330px; }
.map-card::before { content: "+"; position: absolute; right: 22px; top: 18px; color: #A4CFFF; font-weight: 300; font-size: 30px; }
.map-card h3 { margin: 10px 0 12px; font-size: 25px; }
.map-card p { color: var(--muted); }
.map-coordinates { display: inline-flex; gap: 6px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }

.plan-board { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line-neutral); background: #fff; border-radius: 16px; overflow: hidden; }
.plan-column { padding: 26px; border-right: 1px solid var(--line-neutral); }
.plan-column:last-child { border-right: 0; }
.plan-column > span { color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .1em; }
.plan-entry { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line-neutral); }
.plan-entry h3 { font-size: 18px; margin-bottom: 8px; }
.plan-entry p { color: var(--muted); font-size: 14px; }

.longshort-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.longshort { grid-column: span 4; padding: 30px; background: #fff; border: 1px solid var(--line-neutral); border-radius: 14px; }
.longshort:nth-child(1), .longshort:nth-child(6) { grid-column: span 7; }
.longshort:nth-child(2), .longshort:nth-child(5) { grid-column: span 5; }
.longshort h3 { margin-bottom: 14px; font-size: 24px; }
.longshort p { color: var(--muted); }

.travel-line { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 28px; }
.travel-line::before { content: ""; position: absolute; left: 59px; top: 16px; bottom: 16px; width: 1px; background: var(--line); }
.travel-node { display: contents; }
.travel-marker { position: relative; z-index: 1; display: flex; align-items: start; justify-content: center; padding-top: 5px; color: var(--blue); font-weight: 900; letter-spacing: .12em; }
.travel-marker span { display: inline-grid; place-items: center; min-width: 54px; height: 54px; padding: 0 8px; border: 1px solid #B9D9FF; background: #fff; border-radius: 50%; font-size: 11px; }
.travel-copy { padding: 0 0 42px; max-width: 820px; }
.travel-copy h3 { margin-bottom: 10px; font-size: 25px; }
.travel-copy p { color: var(--muted); }

.tag-wall { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.tag-wall a { display: inline-flex; align-items: center; min-height: 52px; padding: 0 22px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--title); font-weight: 800; }
.tag-wall a:nth-child(3n+1) { font-size: 18px; min-height: 64px; padding: 0 30px; }
.tag-wall a:nth-child(4n+2) { background: var(--bg-blue); color: var(--blue); }
.tag-wall a:hover { border-color: rgba(20,120,242,.3); color: var(--blue); transform: translateY(-1px); }

.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.qa-card { padding: 28px; background: #fff; border: 1px solid var(--line-neutral); border-radius: 14px; }
.qa-card .question { display: flex; gap: 14px; align-items: start; }
.qa-card .question span { color: var(--blue); font-weight: 900; }
.qa-card h3 { font-size: 21px; }
.qa-card p { margin-top: 16px; color: var(--muted); }
.qa-card a { margin-top: 14px; }

.story-layout { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(280px,.75fr); gap: 28px; }
.main-story { padding: 42px; background: linear-gradient(145deg,#F1F7FF,#fff); border: 1px solid var(--line); border-radius: 16px; }
.main-story h3 { font-size: clamp(28px,3.2vw,44px); margin: 18px 0 20px; }
.main-story p { color: var(--text); font-size: 17px; }
.short-stories { display: grid; gap: 14px; }
.short-story { padding: 22px 0; border-bottom: 1px solid var(--line-neutral); }
.short-story:first-child { padding-top: 0; }
.short-story h3 { font-size: 18px; margin-bottom: 7px; }
.short-story p { color: var(--muted); font-size: 14px; }

.catalog-wall { columns: 3; column-gap: 18px; }
.catalog-item { break-inside: avoid; margin: 0 0 18px; padding: 26px; border: 1px solid var(--line-neutral); border-radius: 14px; background: #fff; }
.catalog-item:nth-child(3n+1) { padding-bottom: 44px; }
.catalog-item h3 { margin: 12px 0; font-size: 22px; }
.catalog-item p { color: var(--muted); }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feature-card { padding: 34px; min-height: 350px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.feature-card:nth-child(2), .feature-card:nth-child(3) { background: var(--bg-blue); }
.feature-number { color: var(--blue); font-size: 13px; font-weight: 900; letter-spacing: .18em; }
.feature-card h3 { font-size: 30px; margin: 20px 0 16px; }
.feature-card p { color: var(--muted); }
.feature-index { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.feature-index span { padding: 6px 10px; background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 999px; font-size: 12px; color: var(--muted); }

.article-list { border-top: 1px solid var(--line-neutral); }
.article-row { display: grid; grid-template-columns: 90px minmax(0,1fr) 140px; gap: 24px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--line-neutral); }
.article-row > span { color: var(--blue); font-weight: 900; font-size: 28px; }
.article-row h3 { font-size: 23px; margin-bottom: 10px; }
.article-row p { color: var(--muted); }
.article-row a { justify-self: end; }

.collection-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.collection-card { grid-column: span 4; padding: 28px; min-height: 280px; background: #fff; border: 1px solid var(--line-neutral); border-radius: 10px 10px 16px 16px; position: relative; }
.collection-card::before { content: ""; position: absolute; top: -1px; left: 18px; width: 72px; height: 8px; background: var(--blue); border-radius: 0 0 5px 5px; }
.collection-card:nth-child(1), .collection-card:nth-child(7) { grid-column: span 6; }
.collection-card h3 { margin: 18px 0 13px; font-size: 23px; }
.collection-card p { color: var(--muted); }
.collection-meta { margin-top: 18px; font-size: 12px; color: var(--faint); }

.bulletin-board { border: 1px solid var(--line-neutral); background: #fff; border-radius: 14px; overflow: hidden; }
.bulletin-row { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 24px; padding: 24px 28px; border-bottom: 1px solid var(--line-neutral); }
.bulletin-row:last-child { border-bottom: 0; }
.status-pill { width: fit-content; padding: 5px 10px; border-radius: 999px; background: var(--bg-blue); color: var(--blue); font-size: 12px; font-weight: 800; }
.bulletin-row h3 { margin-bottom: 8px; font-size: 19px; }
.bulletin-row p { color: var(--muted); }

.principle-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.principle-card { padding: 28px; min-height: 230px; background: #fff; border: 1px solid var(--line-neutral); border-radius: 14px; }
.principle-card span { color: var(--blue); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.principle-card h3 { margin: 18px 0 12px; font-size: 22px; }
.principle-card p { color: var(--muted); }

.app-panel { display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,.72fr); gap: 40px; align-items: center; }
.app-visual { min-height: 480px; display: grid; place-items: center; padding: 30px; border-radius: 22px; background: linear-gradient(145deg,#E7F2FF,#CFE6FF); overflow: hidden; }
.app-visual img { max-height: 520px; width: 100%; object-fit: contain; }
.app-fallback { width: min(320px,86%); aspect-ratio: .64; border: 10px solid #0E2E55; border-radius: 38px; background: linear-gradient(180deg,#fff,#EDF5FF); box-shadow: 0 24px 60px rgba(9,30,57,.2); padding: 34px 20px; }
.app-fallback .app-icon { width: 72px; height: 72px; display: grid; place-items: center; border-radius: 18px; background: var(--gradient); color: #fff; font-weight: 900; margin-bottom: 34px; }
.app-fallback strong { display: block; font-size: 26px; color: var(--title); }
.app-fallback p { margin-top: 12px; color: var(--muted); }
.app-copy h2 { margin: 14px 0 20px; }
.app-copy > p { color: var(--muted); font-size: 17px; }
.app-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 28px 0; }
.app-feature { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.app-feature strong { display: block; color: var(--title); }
.app-feature span { color: var(--muted); font-size: 13px; }

.safety-grid, .privacy-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 30px; }
.safety-grid article, .privacy-grid article { padding: 20px; border-radius: 12px; }
.safety-grid article { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.safety-grid article h3 { color: #fff; font-size: 18px; }
.safety-grid article p { margin-top: 8px; color: #C9DEF2; font-size: 14px; }
.privacy-panel { padding: 34px; border: 1px solid rgba(20,120,242,.22); border-radius: 16px; background: #fff; }
.privacy-panel > p { color: var(--muted); }
.privacy-grid article { background: var(--bg-blue); }
.privacy-grid article h3 { font-size: 17px; }
.privacy-grid article p { margin-top: 8px; color: var(--muted); font-size: 13px; }

.brand-manifesto { position: relative; overflow: hidden; background: linear-gradient(135deg,#F0F7FF 0%,#fff 44%,#D9ECFF 100%); }
.brand-manifesto::before { content: ""; position: absolute; width: 520px; height: 520px; right: -200px; bottom: -290px; border-radius: 50%; border: 1px solid rgba(20,120,242,.12); box-shadow: 0 0 0 70px rgba(20,120,242,.025),0 0 0 140px rgba(20,120,242,.02); pointer-events:none; }
.brand-manifesto .section-shell { position: relative; z-index: 1; }
.brand-manifesto h2 { max-width: 920px; font-size: clamp(38px,5vw,68px); }
.brand-manifesto p { max-width: 900px; margin-top: 28px; font-size: 18px; color: var(--text); }

/* Inner page editorial building blocks */
.magazine-hero { position: relative; overflow: hidden; padding: 82px 0 56px; background: linear-gradient(180deg,#F8FBFF,#fff); }
.magazine-hero::before { width: 300px; height: 300px; right: 8%; top: -120px; border: 1px solid var(--line); box-shadow: 0 0 0 50px rgba(20,120,242,.025); }
.magazine-hero .section-shell { position: relative; z-index: 1; }
.magazine-hero .hero-copy { max-width: 900px; }
.magazine-hero h1 { margin: 18px 0 22px; }
.magazine-hero p { max-width: 760px; color: var(--muted); font-size: 17px; }
.hero-rule { width: 90px; height: 3px; background: var(--blue); margin-top: 30px; }
.horizontal-index { border-top: 1px solid var(--line-neutral); border-bottom: 1px solid var(--line-neutral); background: #fff; }
.horizontal-index .section-shell { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.horizontal-index .section-shell::-webkit-scrollbar { display: none; }
.horizontal-index a { flex: 0 0 auto; min-height: 54px; display: inline-flex; align-items: center; padding: 0 18px; color: var(--muted); }
.horizontal-index a:hover { color: var(--blue); background: var(--bg-blue); }

.editorial-grid { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(260px,.6fr); gap: 34px; }
.prose { max-width: 820px; }
.prose h2 { margin: 0 0 18px; }
.prose h3 { margin: 30px 0 10px; }
.prose p + p { margin-top: 16px; }
.prose p { font-size: 16px; color: var(--text); }
.prose ul { padding-left: 20px; }
.prose li + li { margin-top: 8px; }
.side-notes { display: grid; align-content: start; gap: 14px; }
.side-note { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-soft); }
.side-note h3 { font-size: 17px; margin-bottom: 8px; }
.side-note p { color: var(--muted); font-size: 14px; }

.topic-masonry { columns: 2; column-gap: 18px; }
.topic-block { break-inside: avoid; margin-bottom: 18px; padding: 28px; border: 1px solid var(--line-neutral); border-radius: 14px; background: #fff; }
.topic-block h2 { font-size: 27px; margin-bottom: 12px; }
.topic-block p { color: var(--muted); }
.topic-block p + p { margin-top: 12px; }

.steps { counter-reset: step; display: grid; gap: 16px; }
.step { counter-increment: step; display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line-neutral); }
.step::before { content: counter(step, decimal-leading-zero); display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--bg-blue); color: var(--blue); font-weight: 900; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted); }

.rule-list { border-top: 1px solid var(--line-neutral); }
.rule-section { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 32px; padding: 34px 0; border-bottom: 1px solid var(--line-neutral); }
.rule-section h2 { font-size: 26px; }
.rule-section p { color: var(--text); }
.rule-section p + p { margin-top: 12px; }

.help-nav { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.help-nav a { min-height: 120px; padding: 20px; border-radius: 12px; border: 1px solid var(--line); background: #fff; }
.help-nav strong { display: block; color: var(--title); font-size: 18px; }
.help-nav span { display: block; color: var(--muted); margin-top: 6px; font-size: 13px; }

.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line-neutral); border-radius: 12px; background: #fff; overflow: hidden; }
summary { cursor: pointer; padding: 20px 56px 20px 22px; color: var(--title); font-weight: 800; position: relative; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); color: var(--blue); font-size: 22px; }
details[open] summary::after { content: "−"; }
details p { padding: 0 22px 22px; color: var(--muted); }

.feedback-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.feedback-card { padding: 26px; border: 1px solid var(--line-neutral); border-radius: 14px; background: #fff; }
.feedback-card h2 { font-size: 24px; margin-bottom: 10px; }
.feedback-card p { color: var(--muted); }
.feedback-card ul { padding-left: 18px; color: var(--text); }

.contact-lines { display: grid; gap: 0; border-top: 1px solid var(--line-neutral); }
.contact-line { display: grid; grid-template-columns: 220px 1fr; gap: 30px; padding: 26px 0; border-bottom: 1px solid var(--line-neutral); }
.contact-line h2 { font-size: 22px; }
.contact-line p { color: var(--muted); }

.about-values { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.about-value { padding: 24px; border-top: 3px solid var(--blue); background: var(--bg-soft); }
.about-value h3 { font-size: 19px; margin-bottom: 10px; }
.about-value p { color: var(--muted); font-size: 14px; }

/* Overlay and panels */
.site-overlay {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 940;
  background: rgba(9,30,57,.32);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s ease, visibility .2s ease;
}
.site-overlay.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
.explore-panel, .search-panel {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--header-h);
  z-index: 960;
  background: #fff;
  box-shadow: 0 24px 64px rgba(9,30,57,.16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.explore-panel.is-open, .search-panel.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.explore-panel { max-height: 85vh; overflow-y: auto; }
.panel-shell, .search-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; padding: 26px 0 30px; }
.panel-head, .search-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.panel-brand { display: flex; align-items: center; min-width: 150px; }
.panel-brand img { max-width: 150px; max-height: 42px; object-fit: contain; }
.panel-brand span { display: flex; flex-direction: column; line-height: 1; }
.panel-brand strong { color: var(--blue); font-size: 18px; }
.panel-brand small { margin-top: 5px; color: var(--muted); font-size: 7px; letter-spacing: .12em; }
.panel-title { color: var(--title); font-size: 18px; }
.panel-close { min-width: 52px; min-height: 44px; padding: 0 12px; border-radius: 10px; color: var(--muted); }
.panel-close:hover { background: var(--bg-blue); color: var(--blue); }
.explore-groups { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; margin-top: 24px; }
.explore-groups section { padding: 18px; border: 1px solid var(--line-neutral); border-radius: 14px; background: var(--bg-soft); }
.explore-groups h2 { margin-bottom: 10px; color: var(--blue); font-size: 15px; }
.explore-groups a { display: block; padding: 12px 0; border-top: 1px solid var(--line-neutral); }
.explore-groups a:first-of-type { border-top: 0; }
.explore-groups strong { display: block; color: var(--title); font-size: 14px; }
.explore-groups span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.search-panel { max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
.search-head h2 { margin-top: 4px; font-size: 28px; }
.search-box { display: block; margin: 24px 0 16px; }
.search-box input { width: 100%; height: 58px; padding: 0 18px; border: 1px solid rgba(20,120,242,.18); outline: none; border-radius: 13px; background: var(--bg-soft); color: var(--title); font-size: 17px; }
.search-box input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(20,120,242,.1); }
.search-keywords { display: flex; flex-wrap: wrap; gap: 8px; }
.search-keywords button { min-height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #fff; }
.search-keywords button:hover { color: var(--blue); background: var(--bg-blue); }
.search-columns { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 24px; }
.search-columns section { padding: 18px; background: var(--bg-soft); border-radius: 12px; }
.search-columns h3 { margin-bottom: 8px; font-size: 16px; }
.search-columns a { display: block; min-height: 54px; padding: 10px 0; border-top: 1px solid var(--line-neutral); color: var(--title); font-size: 14px; }
.search-columns a span { display: block; color: var(--muted); font-size: 11px; }
.search-columns a[hidden] { display: none; }
.search-empty { margin-top: 18px; padding: 15px; background: var(--bg-blue); color: var(--muted); border-radius: 10px; }
.search-empty[hidden] { display: none; }

/* Footer */
.site-footer { background: var(--footer); color: var(--footer-text); padding: 64px 0 32px; }
.footer-inner { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.footer-brand { display: grid; grid-template-columns: 260px minmax(0,680px); gap: 44px; align-items: start; padding-bottom: 40px; border-bottom: 1px solid rgba(233,243,255,.12); }
.footer-brand img { max-width: 220px; max-height: 54px; object-fit: contain; }
.footer-brand-mark { display: flex; flex-direction: column; line-height: 1; }
.footer-brand-mark strong { color: #fff; font-size: 28px; letter-spacing: .1em; }
.footer-brand-mark span { margin-top: 8px; font-size: 9px; letter-spacing: .18em; color: #A8C3DE; }
.footer-brand p { color: #BFD1E4; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; padding: 38px 0; }
.footer-links h2 { margin-bottom: 14px; color: #fff; font-size: 15px; }
.footer-links a { display: block; min-height: 34px; color: #BFD1E4; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-note { padding: 22px 0; border-top: 1px solid rgba(233,243,255,.12); border-bottom: 1px solid rgba(233,243,255,.12); color: #9FB6CE; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 26px; color: #8FA9C3; font-size: 12px; }
.footer-bottom a { color: #BFD1E4; }
.mobile-bottom-nav { display: none; }

/* Focus and motion */
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid rgba(20,120,242,.34); outline-offset: 3px; }
.primary-link, .tag-wall a { transition: transform .18s ease, box-shadow .18s ease; }

@media (max-width: 1160px) {
  .desktop-nav-wrap { gap: 8px; }
  .brand-link { min-width: 138px; }
  .brand-logo { max-width: 132px; }
  .desktop-nav a, .nav-text-link { padding: 0 8px; font-size: 13px; }
  .action-text { display: none; }
  .explorer-intro, .explorer-cover, .explorer-discover { padding-left: 24px; padding-right: 24px; }
  .explore-groups { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 920px) {
  :root { --header-h: 64px; }
  .desktop-nav-wrap { display: none; }
  .mobile-topbar { width: 100%; height: 100%; display: grid; grid-template-columns: 56px minmax(0,1fr) 56px; align-items: center; padding: 0 12px; }
  .mobile-brand { justify-self: center; max-width: min(210px,100%); min-width: 0; }
  .mobile-brand img { max-width: 190px; max-height: 42px; object-fit: contain; }
  .mobile-brand span { display: block; color: var(--blue); font-size: 21px; font-weight: 900; letter-spacing: .1em; white-space: nowrap; }
  .explorer-grid { grid-template-columns: 1fr; min-height: auto; }
  .explorer-intro, .explorer-cover, .explorer-discover { border: 0; padding: 48px 22px; }
  .explorer-cover { padding-top: 0; }
  .explorer-discover { padding-top: 10px; }
  .cover-visual { min-height: 390px; }
  .editor-picks { grid-template-columns: 1fr 1fr; }
  .pick-item, .pick-item:nth-child(2), .pick-item:nth-child(5), .pick-item:nth-child(3), .pick-item:nth-child(4) { grid-column: auto; }
  .map-card, .map-card.wide { grid-column: span 6; }
  .plan-board { grid-template-columns: 1fr 1fr; }
  .plan-column:nth-child(2) { border-right: 0; }
  .plan-column:nth-child(-n+2) { border-bottom: 1px solid var(--line-neutral); }
  .longshort, .longshort:nth-child(1), .longshort:nth-child(2), .longshort:nth-child(5), .longshort:nth-child(6) { grid-column: span 6; }
  .catalog-wall { columns: 2; }
  .collection-card, .collection-card:nth-child(1), .collection-card:nth-child(7) { grid-column: span 6; }
  .principle-grid { grid-template-columns: 1fr 1fr; }
  .app-panel { grid-template-columns: 1fr; }
  .app-copy { order: -1; }
  .safety-grid, .privacy-grid { grid-template-columns: 1fr 1fr; }
  .explore-panel, .search-panel { inset: 0; max-height: none; height: 100dvh; transform: none; overflow-y: auto; padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .site-overlay { inset: 0; }
  .panel-shell, .search-shell { padding-top: 18px; }
  .explore-groups { grid-template-columns: 1fr 1fr; }
  .search-columns { grid-template-columns: 1fr 1fr; }
  .mobile-bottom-nav {
    position: fixed;
    z-index: 980;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(5,1fr);
    min-height: calc(58px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(255,255,255,.97);
    border-top: 1px solid var(--line-neutral);
    box-shadow: 0 -8px 28px rgba(35,72,118,.08);
  }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 58px; color: var(--muted); font-size: 11px; line-height: 1.2; }
  .mobile-bottom-nav a span { display: block; margin-bottom: 3px; font-size: 18px; line-height: 1; }
  .mobile-bottom-nav a.is-current { color: var(--blue); font-weight: 800; }
  .site-footer { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
  .editorial-grid { grid-template-columns: 1fr; }
  .side-notes { grid-template-columns: 1fr 1fr; }
  .help-nav { grid-template-columns: 1fr 1fr; }
  .about-values { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .page-shell, .section-shell, .panel-shell, .search-shell, .footer-inner { width: min(calc(100% - 30px), var(--max)); }
  .section-space { padding: 56px 0; }
  .section-space.compact { padding: 42px 0; }
  h1 { font-size: clamp(36px,11vw,54px); }
  h2 { font-size: clamp(27px,8vw,38px); }
  .section-heading { align-items: start; flex-direction: column; margin-bottom: 26px; }
  .home-hero::before { opacity: .5; }
  .explorer-intro { padding: 46px 15px 34px; }
  .explorer-intro h1 { font-size: 41px; }
  .explorer-cover { padding: 0 15px 32px; }
  .explorer-discover { padding: 0 15px 42px; }
  .cover-visual { min-height: 300px; }
  .cover-fallback { padding: 30px; }
  .hero-mini-index { grid-template-columns: 1fr; }
  .content-index a { padding: 0 16px; }
  .editor-picks { grid-template-columns: 1fr; }
  .pick-item { min-height: auto; }
  .map-grid { grid-template-columns: 1fr; }
  .map-card, .map-card.wide, .map-card.tall { grid-column: auto; min-height: auto; }
  .plan-board { grid-template-columns: 1fr; }
  .plan-column { border-right: 0; border-bottom: 1px solid var(--line-neutral); }
  .plan-column:last-child { border-bottom: 0; }
  .longshort-grid { grid-template-columns: 1fr; }
  .longshort, .longshort:nth-child(1), .longshort:nth-child(2), .longshort:nth-child(5), .longshort:nth-child(6) { grid-column: auto; }
  .travel-line { grid-template-columns: 68px 1fr; gap: 16px; }
  .travel-line::before { left: 33px; }
  .travel-marker span { min-width: 46px; height: 46px; }
  .qa-grid { grid-template-columns: 1fr; }
  .story-layout { grid-template-columns: 1fr; }
  .main-story { padding: 28px; }
  .catalog-wall { columns: 1; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; padding: 28px; }
  .article-row { grid-template-columns: 52px 1fr; gap: 16px; }
  .article-row > span { font-size: 22px; }
  .article-row a { grid-column: 2; justify-self: start; }
  .collection-grid { grid-template-columns: 1fr; }
  .collection-card, .collection-card:nth-child(1), .collection-card:nth-child(7) { grid-column: auto; min-height: auto; }
  .bulletin-row { grid-template-columns: 1fr; gap: 12px; }
  .principle-grid { grid-template-columns: 1fr; }
  .app-feature-grid { grid-template-columns: 1fr; }
  .app-visual { min-height: 380px; padding: 18px; }
  .safety-grid, .privacy-grid { grid-template-columns: 1fr; }
  .privacy-panel { padding: 24px; }
  .magazine-hero { padding: 58px 0 40px; }
  .side-notes { grid-template-columns: 1fr; }
  .topic-masonry { columns: 1; }
  .step { grid-template-columns: 52px 1fr; gap: 14px; }
  .rule-section { grid-template-columns: 1fr; gap: 14px; }
  .help-nav { grid-template-columns: 1fr; }
  .feedback-grid { grid-template-columns: 1fr; }
  .contact-line { grid-template-columns: 1fr; gap: 10px; }
  .about-values { grid-template-columns: 1fr; }
  .explore-groups { grid-template-columns: 1fr; }
  .search-columns { grid-template-columns: 1fr; }
  .panel-head { position: sticky; top: 0; z-index: 2; padding: 6px 0 12px; background: #fff; }
  .panel-title { flex: 1; text-align: center; }
  .panel-brand { min-width: 110px; }
  .panel-brand img { max-width: 110px; }
  .footer-brand { grid-template-columns: 1fr; gap: 20px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}