:root {
    --bg: #FFFFFF;
    --bg-soft: #F7FAFE;
    --bg-blue: #EDF5FF;
    --bg-blue-2: #E3F0FF;
    --bg-gray: #F4F6F9;
    --ink: #17243A;
    --text: #3C495D;
    --muted: #6E7988;
    --faint: #99A2AF;
    --blue: #1478F2;
    --blue-light: #348FFF;
    --blue-deep: #0765D4;
    --blue-dark: #094D9E;
    --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-brand: 0 16px 44px rgba(20,120,242,0.14);
    --nav-h: 72px;
    --max: 1320px;
}
* { 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","Microsoft YaHei",Arial,sans-serif; line-height: 1.75; overflow-x: hidden; }
body.panel-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a, button, input, summary { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; height: auto; display: block; }
.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; }
:focus-visible { outline: 3px solid rgba(20,120,242,.35); outline-offset: 3px; border-radius: 8px; }
.site-header { position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 1200; background: rgba(255,255,255,.94); 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: 24px; }
.brand-lockup { min-width: 170px; height: 52px; display: flex; align-items: center; flex: 0 0 auto; }
.brand-logo { max-width: 170px; max-height: 48px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { color: #fff; background: var(--blue); padding: 7px 10px; border-radius: 8px 8px 4px 4px; font-size: 19px; letter-spacing: .02em; }
.brand-text small { color: var(--blue-dark); margin-top: 5px; font-size: 9px; letter-spacing: .13em; }
.desktop-main-nav { display: flex; align-items: center; gap: 4px; white-space: nowrap; flex: 1 1 auto; min-width: 0; }
.nav-link, .text-action { position: relative; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 12px; border-radius: 10px; color: var(--text); font-size: 14px; font-weight: 650; }
.nav-link:hover, .text-action:hover { background: var(--bg-blue); color: var(--blue); }
.nav-link.is-current, .text-action.is-current { color: var(--blue); }
.nav-link.is-current::after, .text-action.is-current::after { content: ""; position: absolute; left: 50%; bottom: 3px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); transform: translateX(-50%); }
.desktop-actions { display: flex; align-items: center; gap: 5px; flex: 0 0 auto; }
.icon-button { width: 44px; height: 44px; border: 0; border-radius: 12px; background: transparent; color: var(--ink); display: inline-flex; align-items: center; justify-content: center; font-size: 24px; }
.icon-button:hover { background: var(--bg-blue); color: var(--blue); }
.grid-icon { width: 19px; height: 19px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; }
.grid-icon i { width: 4px; height: 4px; border-radius: 2px; background: currentColor; display: block; }
.mobile-nav-wrap { display: none; }
.site-main { padding-top: var(--nav-h); min-height: 72vh; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.narrow { width: min(calc(100% - 32px), 940px); margin: 0 auto; }
.section { padding: 84px 0; position: relative; }
.section.soft { background: var(--bg-soft); }
.section.blue { background: var(--bg-blue); }
.section.gray { background: var(--bg-gray); }
.section.deep { background: #091E39; color: #E9F3FF; }
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: 12px; letter-spacing: .14em; font-weight: 800; text-transform: uppercase; }
.deep .eyebrow { color: #7DBAFF; }
h1,h2,h3,h4,p { margin-top: 0; }
h1,h2,h3,h4 { color: var(--ink); line-height: 1.25; }
.deep h1,.deep h2,.deep h3,.deep h4 { color: #fff; }
h1 { font-size: clamp(34px, 5.2vw, 72px); letter-spacing: -.04em; }
h2 { font-size: clamp(27px, 3vw, 44px); letter-spacing: -.025em; }
h3 { font-size: clamp(19px, 2vw, 25px); }
p { color: var(--text); }
.deep p { color: #BED1E8; }
.lead { font-size: clamp(17px, 2vw, 21px); color: var(--muted); line-height: 1.8; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: 13px; font-weight: 800; }
.kicker::before { content: ""; width: 28px; height: 2px; background: var(--blue); }
.text-link { color: var(--blue); font-weight: 750; display: inline-flex; gap: 7px; align-items: center; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.primary-link { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; border-radius: 12px; background: linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%); color: #fff; font-weight: 800; box-shadow: var(--shadow-brand); }
.primary-link:hover { filter: brightness(.98); transform: translateY(-1px); }
.secondary-link { min-height: 48px; display: inline-flex; align-items: center; padding: 0 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--blue); font-weight: 800; background: #fff; }
.link-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.tag { display: inline-flex; align-items: center; min-height: 32px; padding: 0 11px; border-radius: 999px; background: var(--bg-blue); color: var(--blue-dark); font-size: 13px; font-weight: 700; }
.content-index { border-bottom: 1px solid var(--line-neutral); background: #fff; }
.content-index .container { display: flex; overflow-x: auto; scrollbar-width: none; white-space: nowrap; }
.content-index .container::-webkit-scrollbar { display: none; }
.content-index a { position: relative; min-height: 52px; display: inline-flex; align-items: center; padding: 0 18px; color: var(--muted); font-size: 14px; font-weight: 700; flex: 0 0 auto; }
.content-index a:hover { color: var(--blue); }
.content-index a.is-current { color: var(--blue); }
.content-index a.is-current::before { content: ""; width: 5px; height: 5px; margin-right: 8px; background: var(--blue); border-radius: 50%; }

/* Home */
.explorer-hero { background: radial-gradient(circle at 62% 20%, #E7F3FF 0, transparent 31%), linear-gradient(180deg,#fff 0,#F7FAFE 100%); padding: 58px 0 50px; overflow: hidden; }
.explorer-grid { display: grid; grid-template-columns: minmax(0, .28fr) minmax(0, .47fr) minmax(0, .25fr); gap: 22px; align-items: stretch; }
.explorer-left, .explorer-right, .explorer-center { min-width: 0; }
.explorer-left { display: flex; flex-direction: column; justify-content: center; padding: 24px 8px 24px 0; }
.explorer-left h1 { font-size: clamp(36px,4.3vw,62px); margin-bottom: 20px; }
.explorer-left .lead { font-size: 16px; }
.mini-index { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-top: 26px; }
.mini-index a { border-top: 1px solid var(--line); padding: 13px 0; font-size: 13px; color: var(--muted); }
.explorer-center { min-height: 520px; border-radius: 22px; background: linear-gradient(145deg,#0B66D8 0%,#1E85F7 56%,#9FD0FF 100%); position: relative; overflow: hidden; box-shadow: var(--shadow-brand); }
.explorer-center::before, .explorer-center::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; }
.explorer-center::before { width: 420px; height: 420px; right: -120px; top: -90px; }
.explorer-center::after { width: 260px; height: 260px; left: -75px; bottom: -85px; }
.explorer-center img { width: 100%; height: 100%; object-fit: contain; }
.cover-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 38px; color: #fff; z-index: 1; }
.cover-fallback small { letter-spacing: .18em; font-weight: 800; opacity: .82; }
.cover-fallback strong { font-size: clamp(40px,6vw,82px); line-height: 1; margin: 12px 0; }
.cover-fallback span { max-width: 420px; opacity: .86; }
.coordinate { position: absolute; top: 26px; left: 28px; z-index: 2; color: #fff; font-size: 12px; letter-spacing: .13em; }
.explorer-right { display: flex; flex-direction: column; gap: 10px; }
.discovery-item { flex: 1 1 0; padding: 19px 18px; border-radius: 16px; background: #fff; border: 1px solid var(--line-neutral); box-shadow: 0 8px 25px rgba(35,72,118,.05); }
.discovery-item b { display: block; color: var(--ink); margin-bottom: 5px; }
.discovery-item p { font-size: 13px; color: var(--muted); line-height: 1.65; margin-bottom: 9px; }
.editorial-list { display: grid; gap: 0; border-top: 1px solid var(--line-neutral); }
.editorial-item { display: grid; grid-template-columns: 110px 180px 1fr auto; gap: 24px; padding: 34px 0; border-bottom: 1px solid var(--line-neutral); align-items: start; }
.editorial-no { font-size: 40px; color: var(--blue); font-weight: 850; line-height: 1; }
.editorial-topic { color: var(--muted); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.editorial-copy h3 { margin-bottom: 8px; }
.editorial-copy p { margin-bottom: 0; color: var(--muted); }
.map-magazine { display: grid; grid-template-columns: 1.5fr .8fr .8fr; grid-auto-rows: minmax(180px,auto); gap: 14px; }
.map-card { position: relative; padding: 28px; border-radius: 18px; background: #fff; border: 1px solid var(--line); overflow: hidden; }
.map-card::after { content: "⌖"; position: absolute; right: 16px; top: 12px; color: rgba(20,120,242,.22); font-size: 30px; }
.map-card.large { grid-row: span 2; min-height: 420px; background: linear-gradient(160deg,#DCEBFF,#fff 55%); }
.map-card.wide { grid-column: span 2; }
.map-card p { color: var(--muted); }
.weekend-board { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.daypart { border-top: 3px solid var(--blue); background: #fff; padding: 22px; border-radius: 0 0 16px 16px; box-shadow: var(--shadow); }
.daypart h3 { margin-bottom: 20px; }
.plan { padding: 14px 0; border-top: 1px dashed var(--line); }
.plan b { display: block; color: var(--ink); }
.plan p { font-size: 14px; color: var(--muted); margin-bottom: 0; }
.stagger-list { display: grid; grid-template-columns: repeat(12,1fr); gap: 14px; }
.stagger-card { padding: 24px; border: 1px solid var(--line-neutral); border-radius: 16px; background: #fff; }
.stagger-card:nth-child(1),.stagger-card:nth-child(4) { grid-column: span 7; }
.stagger-card:nth-child(2),.stagger-card:nth-child(3) { grid-column: span 5; }
.stagger-card:nth-child(5) { grid-column: span 4; }
.stagger-card:nth-child(6) { grid-column: span 8; }
.travel-ledger { display: grid; grid-template-columns: 100px 1fr; gap: 0 24px; }
.travel-node { font-weight: 900; color: var(--blue); font-size: 24px; padding-top: 22px; text-align: right; }
.travel-step { border-left: 1px solid var(--line); padding: 20px 0 28px 26px; position: relative; }
.travel-step::before { content: ""; position: absolute; left: -5px; top: 30px; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px #EDF5FF; }
.topic-cloud { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.topic-cloud a { border: 1px solid var(--line); background: #fff; border-radius: 999px; color: var(--blue-dark); font-weight: 800; padding: 11px 17px; }
.topic-cloud a:nth-child(3n) { font-size: 20px; padding: 14px 22px; }
.topic-cloud a:nth-child(4n) { font-size: 15px; background: var(--bg-blue); }
.qa-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.qa-card { padding: 26px; border-radius: 16px; background: #fff; border: 1px solid var(--line-neutral); }
.qa-card h3 { margin-bottom: 12px; }
.qa-card p { color: var(--muted); }
.story-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; }
.main-story { padding: 34px; background: #fff; border-radius: 18px; box-shadow: var(--shadow); }
.short-stories { display: grid; gap: 10px; }
.short-story { padding: 17px 18px; border-radius: 14px; background: var(--bg-blue); }
.short-story h3 { font-size: 18px; margin-bottom: 7px; }
.short-story p { margin: 0; font-size: 14px; color: var(--muted); }
.inspiration-wall { display: grid; grid-template-columns: repeat(12,1fr); gap: 12px; }
.inspiration-card { grid-column: span 3; padding: 22px; min-height: 200px; border: 1px solid var(--line-neutral); border-radius: 14px; background: #fff; }
.inspiration-card:nth-child(1),.inspiration-card:nth-child(6) { grid-column: span 5; }
.inspiration-card:nth-child(2),.inspiration-card:nth-child(7) { grid-column: span 4; }
.inspiration-card:nth-child(3),.inspiration-card:nth-child(8) { grid-column: span 3; }
.inspiration-card:nth-child(4),.inspiration-card:nth-child(5) { grid-column: span 6; }
.feature-list { display: grid; gap: 14px; }
.feature-item { display: grid; grid-template-columns: 155px 1fr auto; gap: 24px; align-items: center; padding: 30px; background: #fff; border-radius: 18px; border: 1px solid var(--line); }
.feature-no { color: var(--blue); font-size: 18px; font-weight: 900; letter-spacing: .08em; }
.handbook-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.handbook-card { border-top: 2px solid var(--blue); padding: 22px 20px; background: #fff; box-shadow: var(--shadow); }
.collection-folders { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.folder { position: relative; margin-top: 16px; padding: 28px 22px 22px; background: #fff; border: 1px solid var(--line); border-radius: 12px 12px 16px 16px; }
.folder::before { content: ""; position: absolute; left: 18px; top: -11px; width: 78px; height: 12px; background: var(--bg-blue-2); border: 1px solid var(--line); border-bottom: 0; border-radius: 8px 8px 0 0; }
.bulletin-board { display: grid; gap: 0; background: #fff; border: 1px solid var(--line-neutral); border-radius: 14px; overflow: hidden; }
.bulletin-row { display: grid; grid-template-columns: 120px 220px 1fr; gap: 20px; padding: 22px; border-bottom: 1px solid var(--line-neutral); }
.bulletin-row:last-child { border-bottom: 0; }
.principles-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.principle { padding: 24px; background: #fff; border-radius: 14px; border: 1px solid var(--line); }
.principle .num { color: var(--blue); font-weight: 900; }
.app-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
.app-visual { min-height: 440px; border-radius: 28px; background: linear-gradient(145deg,#EAF4FF,#BBDFFF); display: flex; align-items: center; justify-content: center; padding: 28px; }
.app-visual img { max-height: 500px; width: auto; object-fit: contain; }
.phone-fallback { width: min(270px,75%); aspect-ratio: .52; border: 10px solid #0E2D56; border-radius: 34px; background: #fff; padding: 28px 18px; box-shadow: var(--shadow-brand); }
.phone-fallback .app-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--blue); color: #fff; display: grid; place-items: center; font-weight: 900; margin-bottom: 18px; }
.app-points { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin: 22px 0; }
.app-points div { padding: 14px; border-radius: 12px; background: var(--bg-blue); }
.security-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin: 28px 0; }
.security-grid div { border: 1px solid rgba(255,255,255,.13); border-radius: 12px; padding: 16px; }
.privacy-box { border: 1px solid var(--blue); border-radius: 18px; padding: 32px; background: #fff; }
.privacy-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 22px 0; }
.privacy-list div { background: var(--bg-blue); padding: 15px; border-radius: 10px; }
.brand-declaration { background: linear-gradient(115deg,#F5FAFF,#E2F0FF 52%,#fff); overflow: hidden; }
.brand-declaration .container { position: relative; }
.brand-declaration .container::after { content:"HAI JIAO"; position:absolute; right: 0; bottom: -48px; font-size: clamp(70px,13vw,190px); font-weight: 900; color: rgba(20,120,242,.055); letter-spacing: -.06em; pointer-events:none; }

/* Interior page foundations */
.page-hero { padding: 72px 0 46px; background: linear-gradient(180deg,#F7FAFE,#fff); }
.page-hero .hero-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,.38fr); gap: 44px; align-items: end; }
.page-hero h1 { margin-bottom: 18px; }
.hero-note { border-left: 3px solid var(--blue); padding-left: 18px; color: var(--muted); }
.horizontal-topic-index { display: flex; overflow-x: auto; gap: 8px; padding: 18px 0; scrollbar-width: none; }
.horizontal-topic-index::-webkit-scrollbar { display:none; }
.horizontal-topic-index a { flex: 0 0 auto; min-height: 40px; display: inline-flex; align-items: center; padding: 0 13px; border-radius: 999px; background: var(--bg-blue); color: var(--blue-dark); font-weight: 700; font-size: 13px; }
.article-prose { font-size: 17px; }
.article-prose p { margin-bottom: 1.35em; }
.article-prose h2 { margin-top: 2.1em; margin-bottom: .65em; font-size: 30px; }
.article-prose h3 { margin-top: 1.7em; margin-bottom: .55em; }
.split-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.info-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.info-strip article { padding: 18px; background: #fff; border-radius: 12px; border: 1px solid var(--line-neutral); }
.info-strip p { font-size: 14px; color: var(--muted); margin-bottom: 0; }
.city-spread { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; align-items: start; }
.city-lead { min-height: 430px; padding: 34px; background: linear-gradient(160deg,#DCEBFF,#fff 60%); border-radius: 18px; }
.city-side { display: grid; gap: 12px; }
.city-side article { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.city-observations { columns: 2; column-gap: 28px; }
.city-observations article { break-inside: avoid; padding: 0 0 22px; margin-bottom: 22px; border-bottom: 1px solid var(--line-neutral); }
.full-weekend-board { display: grid; gap: 18px; }
.full-daypart { display: grid; grid-template-columns: 140px 1fr 1fr; gap: 18px; border-top: 1px solid var(--line); padding: 24px 0; }
.full-daypart > strong { font-size: 24px; color: var(--blue); }
.longform-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 46px; }
.longform-aside { position: sticky; top: 96px; align-self: start; padding: 18px; background: var(--bg-soft); border-radius: 14px; }
.longform-aside a { display: block; padding: 9px 0; border-bottom: 1px solid var(--line-neutral); color: var(--muted); font-size: 14px; }
.timeline { position: relative; }
.timeline::before { content:""; position:absolute; left: 60px; top: 0; bottom: 0; width: 1px; background: var(--line); }
.timeline-item { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 18px 0 34px; }
.timeline-label { color: var(--blue); font-weight: 900; font-size: 20px; text-align: center; position: relative; background: #fff; z-index:1; }
.timeline-content { padding: 22px; border-radius: 14px; background: var(--bg-soft); }
.hobby-map { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; }
.hobby-tile { min-height: 150px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 18px; display:flex; flex-direction:column; justify-content:space-between; }
.hobby-tile:nth-child(2n) { transform: translateY(16px); }
.hobby-guides { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.hobby-guide { padding:24px; border-left:3px solid var(--blue); background:var(--bg-soft); }
.exchange-list { display:grid; gap:14px; }
.exchange-item { display:grid; grid-template-columns: minmax(240px,.7fr) 1.3fr; gap:24px; padding:28px; background:#fff; border:1px solid var(--line-neutral); border-radius:16px; }
.exchange-item .answer { color:var(--muted); }
.magazine-story { display:grid; grid-template-columns: minmax(0,1fr) 300px; gap:38px; }
.story-aside { padding:22px; background:var(--bg-blue); border-radius:16px; }
.story-aside a { display:block; padding:12px 0; border-bottom:1px solid var(--line); }
.catalog-wall { display:grid; grid-template-columns:repeat(12,1fr); gap:12px; }
.catalog-item { grid-column:span 4; min-height:230px; padding:25px; border:1px solid var(--line-neutral); background:#fff; border-radius:14px; }
.catalog-item:nth-child(1),.catalog-item:nth-child(6) { grid-column:span 7; }
.catalog-item:nth-child(2),.catalog-item:nth-child(5) { grid-column:span 5; }
.spotlight-cover { padding:76px 0 54px; background:linear-gradient(130deg,#0A5FC6,#2088F4 58%,#86C1FF); color:#fff; }
.spotlight-cover h1,.spotlight-cover p { color:#fff; }
.chapter-list { display:grid; gap:16px; }
.chapter { display:grid; grid-template-columns:160px 1fr; gap:24px; padding:30px 0; border-bottom:1px solid var(--line-neutral); }
.chapter .feature-no { font-size:22px; }
.article-directory { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.directory-item { padding:24px; background:#fff; border:1px solid var(--line-neutral); border-radius:14px; }
.directory-item .index { font-size:13px; color:var(--blue); font-weight:900; }
.folder-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.folder-detail { position:relative; padding:30px 24px 24px; margin-top:16px; border:1px solid var(--line); border-radius:12px 12px 16px 16px; background:#fff; }
.folder-detail::before { content:""; position:absolute; top:-12px; left:18px; width:92px; height:13px; border:1px solid var(--line); border-bottom:0; background:var(--bg-blue-2); border-radius:8px 8px 0 0; }
.notice-list { background:#fff; border:1px solid var(--line-neutral); border-radius:16px; overflow:hidden; }
.notice { display:grid; grid-template-columns:130px 240px 1fr; gap:20px; padding:22px; border-bottom:1px solid var(--line-neutral); }
.notice:last-child { border-bottom:0; }
.values-layout { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.value-card { padding:28px; border-radius:16px; background:#fff; border:1px solid var(--line); }
.value-card .num { font-size:34px; color:var(--blue); font-weight:900; }
.install-steps { counter-reset:step; display:grid; gap:14px; }
.install-step { counter-increment:step; padding:24px 24px 24px 78px; position:relative; background:#fff; border:1px solid var(--line-neutral); border-radius:14px; }
.install-step::before { content:counter(step, decimal-leading-zero); position:absolute; left:22px; top:18px; color:var(--blue); font-size:24px; font-weight:900; }
.risk-table { display:grid; gap:12px; }
.risk-row { display:grid; grid-template-columns:200px 1fr; gap:22px; padding:22px; background:#fff; border-radius:14px; border:1px solid var(--line-neutral); }
.privacy-categories { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.privacy-category { padding:24px; border:1px solid var(--line); border-radius:14px; background:#fff; }
.guideline-sections { display:grid; gap:28px; }
.guideline-section { padding-bottom:28px; border-bottom:1px solid var(--line-neutral); }
.guideline-section .rule-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.guideline-section .rule-grid div { padding:16px; border-radius:12px; background:var(--bg-soft); }
.help-nav { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.help-nav a { padding:18px; border:1px solid var(--line); border-radius:12px; background:#fff; font-weight:800; color:var(--ink); }
.help-sections { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.help-card { padding:24px; background:var(--bg-soft); border-radius:14px; }
.faq-list { display:grid; gap:10px; }
.faq-list details { border:1px solid var(--line-neutral); border-radius:12px; background:#fff; padding:0 18px; }
.faq-list summary { min-height:60px; display:flex; align-items:center; color:var(--ink); font-weight:800; cursor:pointer; }
.faq-list details p { padding:0 0 18px; margin:0; color:var(--muted); }
.feedback-flow { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; counter-reset:feedback; }
.feedback-flow div { counter-increment:feedback; padding:20px; background:var(--bg-blue); border-radius:14px; }
.feedback-flow div::before { content:counter(feedback,decimal-leading-zero); display:block; color:var(--blue); font-weight:900; margin-bottom:8px; }
.contact-routes { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.contact-route { padding:24px; border:1px solid var(--line-neutral); border-radius:14px; background:#fff; }
.about-timeline { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.about-timeline article { padding:20px; border-top:3px solid var(--blue); background:#fff; }

.overlay { position:fixed; inset:var(--nav-h) 0 0 0; background:rgba(5,22,43,.36); opacity:0; visibility:hidden; pointer-events:none; transition:opacity .2s ease,visibility .2s ease; z-index:1250; }
.overlay.is-open { opacity:1; visibility:visible; pointer-events:auto; }
.panel { position:fixed; left:0; right:0; top:var(--nav-h); z-index:1300; background:#fff; max-height:85vh; overflow:auto; transform:translateY(-16px); opacity:0; visibility:hidden; pointer-events:none; transition:transform .24s ease,opacity .2s ease,visibility .2s ease; border-bottom:1px solid var(--line-neutral); box-shadow:0 24px 55px rgba(9,30,57,.17); }
.panel.is-open { transform:none; opacity:1; visibility:visible; pointer-events:auto; }
.panel-inner { width:min(calc(100% - 32px),var(--max)); margin:0 auto; padding:24px 0 34px; }
.panel-head { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:16px; margin-bottom:24px; }
.panel-head h2 { margin:0; text-align:center; font-size:28px; }
.panel-brand { justify-self:start; min-height:48px; display:flex; align-items:center; }
.panel-brand img { max-width:160px; max-height:44px; object-fit:contain; }
.panel-brand span { display:flex; flex-direction:column; line-height:1.05; }
.panel-brand strong { color:var(--blue); }
.panel-brand small { color:var(--muted); font-size:9px; letter-spacing:.12em; margin-top:4px; }
.panel-close { justify-self:end; min-width:58px; height:44px; border:1px solid var(--line); border-radius:10px; background:#fff; color:var(--blue); font-weight:800; }
.panel-close:hover { background:var(--bg-blue); }
.explore-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:18px; }
.explore-grid section { min-width:0; }
.explore-grid section > a { display:block; padding:12px 0; border-top:1px solid var(--line-neutral); }
.explore-grid strong { display:block; color:var(--ink); font-size:15px; margin-bottom:3px; }
.explore-grid span { display:block; font-size:12px; color:var(--muted); line-height:1.55; }
.search-inner { width:min(calc(100% - 32px),980px); }
.search-inner .panel-head { grid-template-columns:1fr auto; }
.search-inner .panel-head h2 { text-align:left; }
.search-box { display:block; }
.search-box input { width:100%; height:60px; border:1px solid var(--line); border-radius:14px; padding:0 18px; font-size:18px; color:var(--ink); background:var(--bg-soft); }
.search-chips { display:flex; gap:8px; flex-wrap:wrap; margin:14px 0 20px; }
.search-chips button { min-height:36px; border:0; border-radius:999px; background:var(--bg-blue); color:var(--blue-dark); padding:0 12px; font-size:13px; }
.search-index { display:grid; grid-template-columns:repeat(2,1fr); gap:8px; }
.search-index a { padding:14px 16px; border:1px solid var(--line-neutral); border-radius:12px; }
.search-index strong { display:block; color:var(--ink); }
.search-index span { display:block; color:var(--muted); font-size:13px; }
.search-index a[hidden] { display:none; }
.search-empty { padding:18px; background:var(--bg-soft); border-radius:12px; color:var(--muted); }
.mobile-bottom-nav { display:none; }
.site-footer { background:#091E39; color:#E9F3FF; }
.footer-inner { width:min(calc(100% - 32px),var(--max)); margin:0 auto; padding:62px 0 32px; }
.footer-brand { display:grid; grid-template-columns:260px minmax(0,1fr); gap:34px; align-items:start; padding-bottom:32px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand img { max-width:190px; max-height:70px; object-fit:contain; }
.footer-mark { display:flex; flex-direction:column; width:max-content; }
.footer-mark strong { padding:8px 12px; background:var(--blue); color:#fff; border-radius:8px 8px 4px 4px; font-size:20px; }
.footer-mark small { margin-top:6px; color:#9EC8F7; letter-spacing:.13em; font-size:9px; }
.footer-brand p { margin:0; color:#B8CCE4; max-width:780px; }
.footer-groups { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; padding:34px 0; }
.footer-groups h2 { color:#fff; font-size:15px; margin-bottom:12px; }
.footer-groups a { display:block; color:#B8CCE4; padding:5px 0; font-size:14px; }
.footer-groups a:hover { color:#fff; }
.footer-note { border-top:1px solid rgba(255,255,255,.1); padding-top:24px; }
.footer-note p { color:#91AAC7; font-size:13px; max-width:950px; }
.footer-meta { display:flex; justify-content:space-between; gap:20px; color:#7894B5; font-size:12px; }
.footer-meta a:hover { color:#fff; }

@media (max-width: 1120px) {
    .desktop-nav-wrap { gap:12px; }
    .brand-lockup { min-width:145px; }
    .brand-logo { max-width:145px; }
    .nav-link,.text-action { padding:0 8px; font-size:13px; }
    .explorer-grid { grid-template-columns:.34fr .46fr .2fr; gap:14px; }
    .discovery-item { padding:15px; }
    .explore-grid { grid-template-columns:repeat(3,1fr); }
    .handbook-grid,.principles-grid { grid-template-columns:repeat(2,1fr); }
    .collection-folders { grid-template-columns:repeat(2,1fr); }
    .hobby-map { grid-template-columns:repeat(3,1fr); }
    .about-timeline { grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 900px) {
    :root { --nav-h: 64px; }
    .desktop-nav-wrap { display:none; }
    .mobile-nav-wrap { height:100%; display:grid; grid-template-columns:52px minmax(0,1fr) 52px; align-items:center; width:min(calc(100% - 24px),760px); margin:0 auto; }
    .mobile-brand { justify-self:center; max-width:210px; min-width:0; display:flex; align-items:center; justify-content:center; font-weight:900; color:var(--blue); }
    .mobile-brand img { max-width:180px; max-height:42px; object-fit:contain; }
    .mobile-nav-wrap .icon-button:first-child { justify-self:start; }
    .mobile-nav-wrap .icon-button:last-child { justify-self:end; }
    .site-main { padding-bottom:66px; }
    .mobile-bottom-nav { position:fixed; z-index:1150; left:0; right:0; bottom:0; height:calc(58px + env(safe-area-inset-bottom)); padding-bottom:env(safe-area-inset-bottom); display:grid; grid-template-columns:repeat(5,1fr); background:rgba(255,255,255,.96); border-top:1px solid var(--line-neutral); backdrop-filter:blur(12px); }
    .mobile-bottom-nav a { min-height:58px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; color:var(--muted); font-size:11px; }
    .mobile-bottom-nav a span { font-size:18px; line-height:1; }
    .mobile-bottom-nav a strong { font-size:11px; }
    .mobile-bottom-nav a.is-current { color:var(--blue); }
    .panel { top:0; bottom:calc(58px + env(safe-area-inset-bottom)); max-height:none; transform:none; }
    .overlay { inset:0; }
    .panel-inner { width:min(calc(100% - 30px),760px); padding-top:16px; }
    .panel-head { grid-template-columns:auto 1fr auto; position:sticky; top:-16px; z-index:2; background:#fff; padding:10px 0 14px; }
    .panel-head h2 { font-size:23px; text-align:left; }
    .explore-grid { grid-template-columns:repeat(2,1fr); }
    .search-panel { bottom:0; }
    .search-inner .panel-head { grid-template-columns:1fr auto; }
    .explorer-hero { padding-top:36px; }
    .explorer-grid { grid-template-columns:1fr; }
    .explorer-left { order:1; padding-right:0; }
    .explorer-center { order:2; min-height:420px; }
    .explorer-right { order:3; display:grid; grid-template-columns:repeat(2,1fr); }
    .mini-index { display:none; }
    .editorial-item { grid-template-columns:75px 120px 1fr; }
    .editorial-item .text-link { grid-column:3; }
    .map-magazine { grid-template-columns:repeat(2,1fr); }
    .map-card.large { grid-row:auto; grid-column:span 2; min-height:320px; }
    .weekend-board { grid-template-columns:repeat(2,1fr); }
    .story-layout,.app-split,.city-spread,.longform-layout,.magazine-story { grid-template-columns:1fr; }
    .longform-aside { position:static; }
    .inspiration-card,.inspiration-card:nth-child(1),.inspiration-card:nth-child(6),.inspiration-card:nth-child(2),.inspiration-card:nth-child(7),.inspiration-card:nth-child(3),.inspiration-card:nth-child(8),.inspiration-card:nth-child(4),.inspiration-card:nth-child(5) { grid-column:span 6; }
    .feature-item { grid-template-columns:130px 1fr; }
    .feature-item .text-link { grid-column:2; }
    .bulletin-row,.notice { grid-template-columns:110px 1fr; }
    .bulletin-row p,.notice p { grid-column:2; }
    .page-hero .hero-row { grid-template-columns:1fr; gap:20px; }
    .hobby-map { grid-template-columns:repeat(2,1fr); }
    .hobby-tile:nth-child(2n) { transform:none; }
    .catalog-item,.catalog-item:nth-child(1),.catalog-item:nth-child(6),.catalog-item:nth-child(2),.catalog-item:nth-child(5) { grid-column:span 6; }
    .folder-grid { grid-template-columns:repeat(2,1fr); }
    .help-nav { grid-template-columns:repeat(2,1fr); }
    .footer-brand { grid-template-columns:1fr; }
    .footer-groups { grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 640px) {
    .container,.narrow { width:calc(100% - 30px); }
    .section { padding:58px 0; }
    h1 { font-size:38px; }
    h2 { font-size:30px; }
    .explorer-left h1 { font-size:40px; }
    .explorer-center { min-height:330px; border-radius:18px; }
    .cover-fallback { padding:24px; }
    .explorer-right { grid-template-columns:1fr; }
    .editorial-item { grid-template-columns:58px 1fr; gap:15px; padding:26px 0; }
    .editorial-no { font-size:30px; }
    .editorial-topic { grid-column:2; }
    .editorial-copy { grid-column:2; }
    .editorial-item .text-link { grid-column:2; }
    .map-magazine { grid-template-columns:1fr; }
    .map-card.large,.map-card.wide { grid-column:auto; min-height:auto; }
    .weekend-board,.qa-grid,.principles-grid,.handbook-grid,.split-columns,.info-strip,.hobby-guides,.article-directory,.privacy-categories,.help-sections,.contact-routes,.values-layout { grid-template-columns:1fr; }
    .stagger-list { display:block; }
    .stagger-card { margin-bottom:12px; }
    .travel-ledger { grid-template-columns:58px 1fr; gap:0 12px; }
    .travel-node { font-size:18px; }
    .story-layout { gap:12px; }
    .main-story { padding:24px; }
    .inspiration-card,.inspiration-card:nth-child(n) { grid-column:span 12; min-height:auto; }
    .feature-item { grid-template-columns:1fr; gap:10px; padding:22px; }
    .feature-item .text-link { grid-column:1; }
    .collection-folders,.folder-grid { grid-template-columns:1fr; }
    .bulletin-row,.notice { grid-template-columns:1fr; gap:8px; padding:18px; }
    .bulletin-row p,.notice p { grid-column:1; }
    .app-points,.privacy-list,.security-grid { grid-template-columns:1fr; }
    .app-visual { min-height:340px; }
    .page-hero { padding-top:48px; }
    .city-observations { columns:1; }
    .full-daypart { grid-template-columns:1fr; gap:8px; }
    .timeline::before { left:32px; }
    .timeline-item { grid-template-columns:64px 1fr; gap:10px; }
    .timeline-label { font-size:16px; }
    .timeline-content { padding:18px; }
    .hobby-map { grid-template-columns:1fr 1fr; }
    .hobby-tile { min-height:130px; padding:16px; }
    .exchange-item { grid-template-columns:1fr; gap:8px; padding:20px; }
    .catalog-item,.catalog-item:nth-child(n) { grid-column:span 12; min-height:auto; }
    .chapter { grid-template-columns:1fr; gap:8px; padding:22px 0; }
    .feedback-flow { grid-template-columns:1fr 1fr; }
    .about-timeline { grid-template-columns:1fr; }
    .risk-row { grid-template-columns:1fr; gap:8px; }
    .guideline-section .rule-grid { grid-template-columns:1fr; }
    .explore-grid { grid-template-columns:1fr; }
    .explore-grid section { border-bottom:1px solid var(--line-neutral); padding-bottom:12px; }
    .search-index { grid-template-columns:1fr; }
    .search-box input { height:54px; font-size:16px; }
    .footer-groups { grid-template-columns:1fr 1fr; gap:20px; }
    .footer-meta { flex-direction:column; }
}

@media (prefers-reduced-motion: reduce) {
    *,*::before,*::after { scroll-behavior:auto !important; transition:none !important; animation:none !important; }
}