:root {
  --blue: #1848b5;
  --blue-deep: #102f7b;
  --blue-soft: #e8efff;
  --coral: #f26f52;
  --coral-soft: #fff0eb;
  --pearl: #fbfaf7;
  --white: #ffffff;
  --charcoal: #252932;
  --muted: #69717e;
  --line: #d9dee7;
  --silver: #eef1f5;
  --radius: 14px;
  --shadow: 0 24px 70px rgba(24, 72, 181, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 116px; }
body {
  margin: 0;
  color: var(--charcoal);
  background: var(--pearl);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}

body, button { font: inherit; }
h1, h2, h3, p, dl, dd, figure { margin-top: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }

.shell { width: min(1340px, calc(100% - 56px)); margin-inline: auto; }
.section-label { margin-bottom: 13px; color: var(--coral); font-size: 11px; font-weight: 900; letter-spacing: .2em; }
.image-frame { position: relative; overflow: hidden; margin: 0; background: var(--silver); }
.image-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.site-header { position: sticky; top: 0; z-index: 40; background: rgba(251, 250, 247, .95); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.signal-line { color: #dfe7ff; background: var(--blue-deep); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.signal-inner { min-height: 31px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.signal-inner span:first-child { color: #ffb29f; }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: flex; align-items: center; gap: 13px; flex: 0 0 auto; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand strong { display: block; color: var(--blue-deep); font-size: 18px; line-height: 1.25; }
.brand span { display: block; margin-top: 3px; color: var(--muted); font-size: 8px; font-weight: 900; letter-spacing: .18em; }
.main-nav { display: flex; align-items: center; justify-content: flex-end; gap: 24px; font-size: 13px; font-weight: 800; }
.main-nav a { position: relative; padding: 30px 0 27px; text-decoration: none; white-space: nowrap; }
.main-nav a::before { content: ""; position: absolute; left: 0; right: 100%; bottom: 19px; height: 3px; background: var(--coral); transition: right .22s ease; }
.main-nav a:hover::before, .main-nav a:focus-visible::before, .main-nav a[aria-current="page"]::before { right: 0; }
.main-nav a:focus-visible, .menu-toggle:focus-visible, summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
.menu-toggle { display: none; align-items: center; gap: 11px; border: 0; color: var(--blue-deep); background: transparent; cursor: pointer; font-weight: 900; }
.menu-toggle i, .menu-toggle i::before, .menu-toggle i::after { display: block; width: 24px; height: 2px; background: currentColor; }
.menu-toggle i { position: relative; }
.menu-toggle i::before, .menu-toggle i::after { content: ""; position: absolute; left: 0; }
.menu-toggle i::before { top: -7px; }
.menu-toggle i::after { top: 7px; }

.hero { padding: 74px 0 0; background: var(--white); }
.hero-grid { min-height: 650px; display: grid; grid-template-columns: 1.08fr .58fr .92fr; gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero-copy { padding: 66px 56px 62px 0; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin-bottom: 24px; color: var(--blue); font-size: 11px; font-weight: 900; letter-spacing: .19em; }
h1 { max-width: 720px; margin-bottom: 28px; font: 800 clamp(42px, 5.4vw, 76px)/1.08 "Songti SC", Georgia, serif; letter-spacing: -.045em; }
.hero-slogan { max-width: 650px; margin-bottom: 17px; color: var(--coral); font-size: clamp(19px, 2vw, 25px); font-weight: 900; }
.hero-summary { max-width: 690px; margin-bottom: 0; color: var(--muted); font-size: 16px; }
.hero-index { padding: 44px 28px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line); background: var(--pearl); }
.hero-index > p { margin-bottom: 20px; color: var(--muted); font-size: 9px; font-weight: 900; letter-spacing: .18em; }
.hero-index article { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 19px 0; border-top: 1px solid var(--line); }
.hero-index article:last-child { border-bottom: 1px solid var(--line); }
.hero-index article > span { color: var(--coral); font: 700 18px/1 Georgia, serif; }
.hero-index h2 { margin: 0 0 5px; font-size: 16px; }
.hero-index article p { margin: 0; color: var(--muted); font-size: 12px; }
.hero-visual { position: relative; min-width: 0; padding: 34px 0 34px 34px; }
.hero-visual figure { position: relative; height: 100%; min-height: 580px; overflow: hidden; margin: 0; border-radius: 0 0 0 90px; background: var(--blue-soft); box-shadow: var(--shadow); }
.hero-visual figure img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.visual-stamp { position: absolute; left: 4px; bottom: 62px; width: 126px; padding: 16px 18px; color: var(--white); background: var(--blue); }
.visual-stamp span { display: block; color: #dce6ff; font-size: 9px; font-weight: 900; letter-spacing: .18em; }
.visual-stamp strong { display: block; margin-top: 4px; font: 700 36px/1 Georgia, serif; }
.service-band { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.service-band article { padding: 28px 28px 34px; border-right: 1px solid var(--line); }
.service-band article:first-child { padding-left: 0; }
.service-band article:last-child { border-right: 0; }
.service-band span { display: block; margin-bottom: 18px; color: var(--coral); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.service-band strong { display: block; margin-bottom: 7px; color: var(--blue-deep); font-size: 17px; }
.service-band p { margin: 0; color: var(--muted); font-size: 13px; }

.platform-scope { padding: 82px 0; color: var(--white); background: var(--blue); }
.scope-grid { display: grid; grid-template-columns: 130px .95fr 1.25fr; gap: 46px; align-items: start; }
.scope-number { color: rgba(255,255,255,.2); font: 700 88px/1 Georgia, serif; }
.platform-scope .section-label { color: #ffb8a5; }
.scope-grid h2 { margin-bottom: 0; font: 800 clamp(34px, 4vw, 54px)/1.15 "Songti SC", Georgia, serif; }
.scope-copy p { color: #e3eaff; }
.scope-copy p:last-child { margin-bottom: 0; }

.section-head { display: grid; grid-template-columns: 240px 1fr; gap: 46px; align-items: start; margin-bottom: 48px; }
.section-head > div:first-child > span { display: block; color: var(--muted); font-size: 12px; font-weight: 800; }
.section-head h2, .matrix-head h2, .verified-head h2, .visit-heading h2 { margin-bottom: 16px; font: 800 clamp(36px, 4.7vw, 62px)/1.12 "Songti SC", Georgia, serif; letter-spacing: -.03em; }
.section-head > div:last-child > p, .matrix-head > p:last-child, .verified-head > p:last-child, .visit-heading > p:last-child { max-width: 850px; color: var(--muted); }

.needs { padding: 110px 0; background: var(--pearl); }
.needs-rail { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.needs-rail article { min-height: 315px; padding: 28px; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.needs-rail b { color: var(--coral); font: 700 18px/1 Georgia, serif; }
.needs-rail h3 { margin: 46px 0 13px; color: var(--blue-deep); font-size: 20px; }
.needs-rail p { color: var(--muted); font-size: 14px; }
.needs-rail em { margin-top: auto; color: var(--blue); font-size: 9px; font-style: normal; font-weight: 900; letter-spacing: .16em; }
.needs-image { min-height: 560px; margin-top: 48px; border-radius: var(--radius); }
.needs-image img { object-position: center 45%; }

.leisure-matrix { padding: 110px 0; color: var(--white); background: var(--charcoal); }
.matrix-head { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: end; margin-bottom: 50px; }
.matrix-head .section-label { grid-column: 1 / -1; }
.matrix-head h2 { margin-bottom: 0; }
.matrix-head > p:last-child { margin-bottom: 0; color: #b9c0ca; }
.matrix-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #4d515a; border-left: 1px solid #4d515a; }
.matrix-grid article { min-height: 240px; padding: 27px; display: flex; flex-direction: column; border-right: 1px solid #4d515a; border-bottom: 1px solid #4d515a; }
.matrix-grid span { color: var(--coral); font: 700 16px/1 Georgia, serif; }
.matrix-grid h3 { margin: 44px 0 10px; font-size: 22px; }
.matrix-grid p { color: #b9c0ca; font-size: 13px; }
.matrix-grid small { margin-top: auto; color: #8aa8f7; font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.matrix-grid .matrix-note { grid-column: span 2; color: var(--charcoal); background: var(--coral-soft); }
.matrix-grid .matrix-note p { color: #6d564f; }
.matrix-grid .matrix-note small { color: var(--coral); }

.scene-guide { padding: 110px 0; background: var(--white); }
.scene-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: stretch; }
.scene-image { min-height: 760px; border-radius: 0 90px 0 0; }
.scene-copy { padding: 32px 0; }
.scene-copy > h2 { max-width: 760px; margin-bottom: 20px; font: 800 clamp(38px, 5vw, 66px)/1.1 "Songti SC", Georgia, serif; letter-spacing: -.035em; }
.scene-copy > p:not(.section-label) { max-width: 760px; color: var(--muted); }
.decision-list { margin-top: 42px; border-top: 1px solid var(--line); }
.decision-list article { display: grid; grid-template-columns: 38px 1fr 110px; gap: 20px; align-items: center; padding: 21px 0; border-bottom: 1px solid var(--line); }
.decision-list article > span { color: var(--coral); font: 700 18px/1 Georgia, serif; }
.decision-list h3 { margin: 0 0 5px; font-size: 18px; }
.decision-list p { margin: 0; color: var(--muted); font-size: 13px; }
.decision-list strong { color: var(--blue); font-size: 11px; text-align: right; }

.time-guide { padding: 110px 0; background: var(--blue-soft); }
.time-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 48px; align-items: stretch; }
.time-track { border-top: 2px solid var(--blue); }
.time-track article { display: grid; grid-template-columns: 170px 1fr; gap: 28px; padding: 25px 0; border-bottom: 1px solid #c8d3ee; }
.time-track time { color: var(--coral); font-weight: 900; }
.time-track h3 { margin: 0 0 7px; font-size: 21px; }
.time-track p { margin: 0; color: var(--muted); font-size: 14px; }
.time-image { min-height: 560px; border-radius: var(--radius); }

.weekend-feature { padding: 110px 0; background: var(--white); }
.weekend-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 58px; align-items: stretch; }
.weekend-copy { padding: 22px 0; }
.weekend-copy > h2 { margin-bottom: 18px; font: 800 clamp(38px, 5vw, 66px)/1.1 "Songti SC", Georgia, serif; }
.weekend-copy > p:not(.section-label) { color: var(--muted); }
.weekend-notes { margin-top: 38px; border-top: 1px solid var(--line); }
.weekend-notes article { display: grid; grid-template-columns: 44px 160px 1fr; gap: 14px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.weekend-notes span { color: var(--coral); font-weight: 900; }
.weekend-notes h3 { margin: 0; font-size: 17px; }
.weekend-notes p { margin: 0; color: var(--muted); font-size: 13px; }
.weekend-image { min-height: 590px; border-radius: 90px 0 0 0; }

.verified-places { padding: 110px 0; color: var(--white); background: var(--blue-deep); }
.verified-head { display: grid; grid-template-columns: .95fr 1.05fr; gap: 54px; align-items: end; margin-bottom: 50px; }
.verified-head .section-label { grid-column: 1 / -1; color: #ffb29f; }
.verified-head h2 { margin-bottom: 0; }
.verified-head > p:last-child { margin-bottom: 0; color: #c8d4f5; }
.records-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: 42px; align-items: stretch; }
.records-image { min-height: 650px; border-radius: var(--radius); }
.record-rules { border-top: 1px solid #536aa5; }
.record-rules article { padding: 25px 0; border-bottom: 1px solid #536aa5; }
.record-rules span { color: #ffb29f; font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.record-rules h3 { margin: 8px 0 7px; font-size: 21px; }
.record-rules p { margin: 0; color: #c8d4f5; font-size: 14px; }
.record-rules .record-warning { margin-top: 18px; padding: 24px; color: var(--charcoal); border: 0; background: var(--coral-soft); }
.record-rules .record-warning p { color: #685b57; }
.record-rules .record-warning span { color: var(--coral); }

.information-check { padding: 110px 0; background: var(--pearl); }
.verify-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.verify-grid article { min-height: 310px; padding: 28px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.verify-grid b { color: var(--blue); font: 700 32px/1 Georgia, serif; }
.verify-grid span { margin-top: 12px; color: var(--coral); font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.verify-grid h3 { margin: auto 0 10px; font-size: 20px; }
.verify-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.check-image { min-height: 560px; margin-top: 46px; border-radius: var(--radius); }

.visit-prep { padding: 110px 0; background: var(--white); }
.visit-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 58px; align-items: start; }
.visit-heading { position: sticky; top: 145px; }
.visit-heading p:last-child { color: var(--muted); }
.checklist { border-top: 2px solid var(--blue); }
.check-row { display: grid; grid-template-columns: 170px 1fr 170px; gap: 24px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.check-row-head { color: var(--muted); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.check-row strong { font-size: 15px; }
.check-row p { margin: 0; color: var(--muted); font-size: 13px; }
.check-row em { color: var(--blue); font-size: 11px; font-style: normal; font-weight: 900; text-align: right; }
.faq { display: grid; grid-template-columns: .72fr 1.28fr; gap: 58px; margin-top: 92px; padding-top: 54px; border-top: 1px solid var(--line); }
.faq-intro h2 { margin-bottom: 15px; font: 800 clamp(34px, 4.4vw, 54px)/1.13 "Songti SC", Georgia, serif; }
.faq-intro p:last-child { color: var(--muted); }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 22px 44px 22px 0; cursor: pointer; list-style: none; font-weight: 900; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 16px; color: var(--coral); font-size: 29px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 44px 23px 0; color: var(--muted); }

.platform-about { padding: 110px 0; color: var(--white); background: var(--charcoal); }
.about-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 58px; align-items: stretch; }
.about-copy { padding: 20px 0; }
.about-copy > h2 { margin-bottom: 19px; font: 800 clamp(38px, 5vw, 65px)/1.1 "Songti SC", Georgia, serif; }
.about-copy > p:not(.section-label) { color: #bdc3cc; }
.about-copy dl { margin: 36px 0 0; border-top: 1px solid #4d515a; }
.about-copy dl div { display: grid; grid-template-columns: 150px 1fr; gap: 22px; padding: 14px 0; border-bottom: 1px solid #4d515a; }
.about-copy dt { color: #949ba6; font-size: 11px; font-weight: 900; }
.about-copy dd { margin: 0; }
.about-image { min-height: 680px; border-radius: 0 90px 0 0; }

.site-footer { padding: 36px 0; color: #bfc5cf; background: #181b21; }
.footer-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 38px; align-items: end; font-size: 12px; }
.footer-grid strong { color: var(--white); font-size: 17px; }
.footer-grid p { margin: 4px 0 0; }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1180px) {
  .main-nav { max-width: 66vw; gap: 18px; overflow-x: auto; scrollbar-width: none; }
  .main-nav::-webkit-scrollbar { display: none; }
  .hero-grid { grid-template-columns: 1fr .55fr .88fr; }
  .hero-copy { padding-right: 34px; }
  .needs-rail { grid-template-columns: repeat(2, 1fr); }
  .matrix-grid { grid-template-columns: repeat(3, 1fr); }
  .matrix-grid .matrix-note { grid-column: span 2; }
  .verify-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 920px) {
  html { scroll-padding-top: 101px; }
  .signal-inner span:nth-child(n+2) { display: none; }
  .header-inner { min-height: 70px; }
  .menu-toggle { display: inline-flex; }
  .main-nav { position: fixed; left: 0; right: 0; top: 101px; max-width: none; padding: 17px 28px 25px; display: grid; gap: 0; overflow: visible; color: var(--white); background: var(--blue-deep); border-bottom: 4px solid var(--coral); transform: translateY(-135%); visibility: hidden; transition: transform .23s ease, visibility .23s ease; }
  .main-nav[data-open="true"] { transform: translateY(0); visibility: visible; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid #36519a; }
  .main-nav a::before { display: none; }
  .hero { padding-top: 44px; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .hero-copy { grid-column: 1 / -1; padding: 48px 0; }
  .hero-index { border-left: 0; }
  .hero-visual figure { min-height: 490px; }
  .service-band { grid-template-columns: repeat(2, 1fr); }
  .service-band article:nth-child(2) { border-right: 0; }
  .service-band article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .service-band article:nth-child(3) { padding-left: 0; }
  .scope-grid { grid-template-columns: 100px 1fr; }
  .scope-copy { grid-column: 2; }
  .scene-grid, .time-layout, .weekend-grid, .records-layout, .visit-grid, .about-grid { grid-template-columns: 1fr; }
  .scene-image { min-height: 540px; order: 2; }
  .scene-copy { order: 1; }
  .time-image, .weekend-image, .records-image, .about-image { min-height: 480px; }
  .visit-heading { position: static; }
  .faq { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, 1340px); }
  .brand img { width: 38px; height: 38px; }
  .brand strong { max-width: 200px; font-size: 15px; }
  .brand span { display: none; }
  .menu-toggle span { display: none; }
  h1 { font-size: clamp(38px, 12vw, 58px); }
  .hero-summary { font-size: 15px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy, .hero-index, .hero-visual { grid-column: auto; }
  .hero-index { border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .hero-visual { padding: 24px 0 30px; }
  .hero-visual figure { min-height: 410px; border-radius: 0 0 0 54px; }
  .visual-stamp { left: 0; bottom: 54px; }
  .service-band { grid-template-columns: 1fr; }
  .service-band article, .service-band article:first-child, .service-band article:nth-child(3) { padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .service-band article:last-child { border-bottom: 0; }
  .platform-scope, .needs, .leisure-matrix, .scene-guide, .time-guide, .weekend-feature, .verified-places, .information-check, .visit-prep, .platform-about { padding: 76px 0; }
  .scope-grid { grid-template-columns: 1fr; gap: 20px; }
  .scope-number { font-size: 62px; }
  .scope-copy { grid-column: auto; }
  .section-head, .matrix-head, .verified-head { grid-template-columns: 1fr; gap: 18px; margin-bottom: 34px; }
  .matrix-head .section-label, .verified-head .section-label { grid-column: auto; }
  .needs-rail, .matrix-grid, .verify-grid { grid-template-columns: 1fr; }
  .needs-rail article { min-height: 250px; }
  .matrix-grid .matrix-note { grid-column: auto; }
  .needs-image, .check-image { min-height: 390px; }
  .scene-image, .time-image, .weekend-image, .records-image, .about-image { min-height: 390px; border-radius: var(--radius); }
  .decision-list article { grid-template-columns: 32px 1fr; gap: 12px; }
  .decision-list strong { grid-column: 2; text-align: left; }
  .time-track article { grid-template-columns: 1fr; gap: 8px; }
  .weekend-notes article { grid-template-columns: 36px 1fr; }
  .weekend-notes p { grid-column: 2; }
  .check-row, .check-row-head { grid-template-columns: 1fr; gap: 4px; }
  .check-row-head span:not(:first-child) { display: none; }
  .check-row em { text-align: left; }
  .about-copy dl div { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}