@charset "UTF-8";
@layer reset, base, components, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 24px; }
  body, h1, h2, h3, p, figure { margin: 0; }
  img { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration: none; }
  button, input { font: inherit; }
  summary { cursor: pointer; }
  ::selection { background: #bd985b; color: #211a13; }
}

@layer base {
  :root {
    --paper: oklch(92.5% .033 80);
    --paper-light: oklch(96.5% .021 80);
    --paper-deep: oklch(87.5% .044 80);
    --ink: oklch(24% .029 65);
    --muted: oklch(44% .035 65);
    --gold: oklch(48% .106 73);
    --gold-light: oklch(69% .099 78);
    --red: oklch(39% .105 37);
    --blue: oklch(29% .035 232);
    --line: oklch(65% .055 78 / .48);
    --serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", "SimSun", serif;
    --sans: "PingFang SC", "Microsoft YaHei", sans-serif;
  }
  body { background: var(--paper); color: var(--ink); font: 16px/1.85 var(--sans); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
  body::before { content: ""; position: fixed; z-index: -1; inset: 0; pointer-events: none; opacity: .3; background: radial-gradient(ellipse at 10% 0%, #c2a16c3b, transparent 48%), radial-gradient(ellipse at 95% 65%, #ad895a30, transparent 48%); }
  .wrap { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
  .section { padding-block: clamp(76px, 8vw, 130px); }
  [id] { scroll-margin-top: 24px; }
  h1, h2, h3 { font-family: var(--serif); font-weight: 650; }
  h2 { font-size: clamp(32px, 4.5vw, 62px); line-height: 1.35; letter-spacing: -.045em; }
  h2 em, h1 em { color: var(--gold); font-style: normal; }
  h3 { font-size: 24px; line-height: 1.5; }
  p + p { margin-top: 22px; }
  a:focus-visible, summary:focus-visible { outline: 3px solid var(--red); outline-offset: 7px; border-radius: 2px; }
  .skip-link { position: fixed; inset: 12px auto auto 12px; transform: translateY(-160%); z-index: 10; padding: 8px 20px; background: var(--ink); color: var(--paper-light); }
  .skip-link:focus { transform: translateY(0); }
  .eyebrow { font: 12px/1.7 var(--sans); letter-spacing: .13em; }
  .lead { font-family: var(--serif); font-size: clamp(21px, 2.2vw, 29px); line-height: 1.85; }
  .section-label { display: flex; align-items: center; gap: 13px; margin-bottom: 32px; color: var(--gold); font: 11px/1.5 var(--sans); letter-spacing: .15em; }
  .chapter-number { display: inline-grid; place-items: center; width: 31px; height: 35px; border: 1px solid var(--gold); border-radius: 50% 50% 3px 3px; font: 17px/1 var(--serif); }
  .text-link { display: inline-flex; align-items: center; gap: 25px; font-size: 14px; line-height: 1.7; padding-block: 7px; border-bottom: 1px solid currentColor; }
  .text-link span, .button span, .nav-contact span { transition: transform 180ms ease-out; }
  .text-link:hover span, .button:hover span, .nav-contact:hover span { transform: translate(3px, -2px); }
}

@layer components {
  .site-header { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--line); }
  .wordmark { display: inline-flex; align-items: center; gap: 13px; flex-shrink: 0; font: 28px/1.2 var(--serif); font-weight: 700; letter-spacing: .14em; }
  .wordmark small { display: block; font: 8px/1.6 Georgia, serif; letter-spacing: .16em; padding-top: 5px; }
  .seal { display: inline-grid; place-items: center; width: 40px; height: 48px; background: var(--red); color: var(--paper-light); border-radius: 10px 8px 13px 7px; outline: 1px solid #ede4d36b; outline-offset: -5px; font: 27px/1 var(--serif); }
  .site-header nav { display: flex; align-items: center; flex-wrap: wrap; gap: clamp(20px, 3vw, 42px); font-size: 13px; }
  .site-header nav a { padding-block: 12px; border-bottom: 1px solid transparent; }
  .site-header nav a:hover { color: var(--red); border-bottom-color: var(--red); }
  .nav-contact { display: inline-flex; gap: 17px; }
  .hero { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: clamp(36px, 6vw, 100px); padding-top: 48px; padding-bottom: 48px; }
  .hero-copy { padding-block: 34px; }
  .hero-copy .eyebrow { display: flex; align-items: center; gap: 10px; color: var(--muted); }
  .status-dot { width: 6px; height: 6px; background: var(--red); border-radius: 50%; flex: 0 0 auto; }
  h1 { font-size: clamp(75px, 8.8vw, 125px); line-height: 1.2; letter-spacing: -.07em; margin-block: 24px 26px; }
  h1 em { display: inline-block; position: relative; }
  h1 em::after { content: ""; display: block; height: 3px; background: linear-gradient(90deg, var(--gold), transparent); margin-top: 3px; transform: rotate(-2deg); }
  .hero-subtitle { font: 25px/1.65 var(--serif); letter-spacing: .04em; }
  .hero-description { font-size: 14px; color: var(--muted); margin-top: 22px; line-height: 2; }
  .hero-actions { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; margin-top: 32px; }
  .button { display: inline-flex; justify-content: space-between; align-items: center; gap: 42px; padding: 15px 25px; font-size: 14px; border: 1px solid var(--ink); transition: background-color 180ms ease-out, color 180ms ease-out; }
  .button-ink { color: var(--paper-light); background: var(--ink); }
  .button-ink:hover { background: var(--red); border-color: var(--red); }
  .hero-notes { display: flex; flex-wrap: wrap; gap: 0; color: var(--muted); font-size: 11px; margin-top: 46px; }
  .hero-notes span + span { border-left: 1px solid var(--line); padding-left: 15px; margin-left: 15px; }
  .hero-art { position: relative; margin: 12px 6px 0; }
  .hero-art img { width: 100%; border: 1px solid #aa895452; box-shadow: 12px 14px 0 -1px var(--paper), 12px 14px 0 0 #aa895466; }
  .hero-art figcaption { display: flex; justify-content: space-between; gap: 12px; margin-top: 27px; font-size: 10px; color: var(--muted); letter-spacing: .02em; }
  .art-corner { position: absolute; width: 34px; height: 34px; pointer-events: none; z-index: 1; }
  .corner-top { top: -10px; left: -10px; border-top: 1px solid var(--gold); border-left: 1px solid var(--gold); }
  .corner-bottom { bottom: 28px; right: -23px; border-bottom: 1px solid var(--gold); border-right: 1px solid var(--gold); }
  .chapter-divider { display: flex; align-items: center; gap: 40px; font: 12px/1.5 var(--serif); color: var(--gold); white-space: nowrap; }
  .chapter-divider::before, .chapter-divider::after { content: ""; height: 1px; width: 100%; background: var(--line); }
  .divider-flower { font-size: 23px; }
  .about { display: grid; grid-template-columns: 1fr 1fr; column-gap: 110px; }
  .about > .section-label { grid-column: 1 / -1; }
  .about-heading { position: relative; }
  .vertical-note { position: absolute; right: 0; top: 12px; writing-mode: vertical-rl; color: var(--gold); font: 12px/1.5 var(--serif); letter-spacing: .3em; }
  .about-body { max-width: 480px; padding-top: 4px; }
  .about-body > p:not(.lead), .city-copy > p:not(.lead) { font-size: 14px; color: var(--muted); line-height: 2; }
  .about-body .lead { margin-bottom: 28px; }
  .create-section { background: var(--paper-light); border-block: 1px solid var(--line); }
  .create-inner { padding-block: 90px 68px; }
  .section-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 50px; }
  .section-intro > p { font-size: 14px; color: var(--muted); line-height: 2; flex-shrink: 0; }
  .direction { display: grid; grid-template-columns: 56px 1fr 1.5fr 1fr; align-items: center; gap: 28px; padding-block: 30px; border-top: 1px solid var(--line); }
  .direction:last-child { border-bottom: 1px solid var(--line); }
  .direction-index { color: var(--gold); font: italic 24px/1 Georgia, serif; }
  .direction h3 { font-size: 23px; }
  .direction p { color: var(--muted); font-size: 13px; line-height: 1.9; }
  .direction-tag { color: var(--gold); font: 13px/1.9 var(--serif); justify-self: end; }
  .section-note { margin-top: 24px; font-size: 11px; color: var(--muted); }
  .city-section { display: grid; grid-template-columns: .87fr 1fr; gap: clamp(60px, 10vw, 140px); align-items: center; }
  .city-art { width: 100%; position: relative; padding: 14px; border: 1px solid var(--line); }
  .city-art img { width: 100%; }
  .city-art figcaption { padding: 15px 2px 1px; color: var(--muted); font: 12px/1.5 var(--serif); text-align: center; letter-spacing: .2em; }
  .city-copy h2 { margin-bottom: 30px; }
  .city-copy .lead { margin-bottom: 23px; }
  .city-copy .text-link { margin-top: 28px; }
  .together-section { background: var(--blue); color: var(--paper-light); padding-block: 100px 75px; }
  .together-section .section-label, .together-section .eyebrow { color: var(--gold-light); }
  .together-section .chapter-number { border-color: var(--gold-light); }
  .together-section .section-intro > p { color: #d6cebf; }
  .partner-row { border-top: 1px solid #dac39066; display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding-block: 38px; }
  .partner-row:last-of-type { border-bottom: 1px solid #dac39066; }
  .partner-heading { display: flex; align-items: center; gap: 25px; }
  .partner-heading h3 { margin-top: 8px; font-size: clamp(22px, 2.6vw, 34px); }
  .partner-mark { display: inline-grid; place-items: center; flex: 0 0 62px; width: 62px; height: 70px; border: 1px solid var(--gold-light); border-radius: 45% 45% 3px 3px; font: 35px/1 var(--serif); color: var(--gold-light); }
  .partner-mark-blue { border-radius: 3px; }
  .partner-body { color: #e1dacd; font-size: 14px; }
  .partner-body .text-link { color: var(--gold-light); margin-top: 18px; }
  .team-note { display: flex; align-items: center; gap: 25px; margin-top: 38px; color: #d6cebf; font-size: 12px; }
  .seal-small { width: 31px; height: 37px; flex-shrink: 0; font-size: 22px; }
  .faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
  .faq-list { padding-top: 8px; }
  details { border-top: 1px solid var(--line); }
  details:last-child { border-bottom: 1px solid var(--line); }
  summary { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding-block: 22px; font-size: 15px; list-style: none; }
  summary::-webkit-details-marker { display: none; }
  summary span { flex-shrink: 0; font-size: 19px; color: var(--gold); transition: transform 160ms ease-out; }
  details[open] summary span { transform: rotate(45deg); }
  details p { font-size: 14px; color: var(--muted); line-height: 2; padding-bottom: 24px; padding-right: 28px; }
  .contact-section { background: var(--paper-deep); border-block: 1px solid var(--line); padding-block: 85px 65px; }
  .contact-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; }
  .contact-heading > p { font-size: 14px; line-height: 2; color: var(--muted); }
  .contact-channels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px; max-width: 900px; margin: 55px auto 30px; }
  .contact-channel { text-align: center; }
  .contact-channel h3 { font-size: 22px; }
  .contact-channel figcaption p { font-size: 12px; color: var(--muted); margin-top: 5px; }
  .qr-pending { width: 190px; max-width: 100%; aspect-ratio: 1; margin-inline: auto; margin-bottom: 22px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; background: #f8f1e47a; border: 1px solid var(--line); font-size: 11px; color: var(--muted); }
  .channel-symbol { font: 44px/1 var(--serif); color: var(--gold); }
  .qr-image { display: block; width: 190px; max-width: 100%; aspect-ratio: 1; object-fit: contain; margin: 0 auto 22px; background: #fff; padding: 9px; border: 1px solid var(--line); }
  .contact-note { text-align: center; font-size: 11px; color: var(--muted); margin-top: 42px; letter-spacing: .15em; }
  .site-footer { background: var(--ink); color: var(--paper); padding-block: 42px 22px; }
  .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
  .footer-brand { font-size: 23px; }
  .footer-inner > p { font: 16px/1.8 var(--serif); letter-spacing: .15em; color: #d5c19e; }
  .back-top { display: inline-flex; gap: 18px; align-items: center; font-size: 12px; }
  .footer-bottom { display: flex; justify-content: space-between; margin-top: 35px; border-top: 1px solid #e1cfaa30; padding-top: 20px; font-size: 10px; color: #b4a797; }
}

@layer responsive {
  @media (min-width: 1700px) { .hero { padding-block: 70px; } }
  @media (max-width: 1100px) {
    .wrap { width: calc(100% - 72px); }
    .hero { gap: 42px; }
    h1 { font-size: 85px; }
    .hero-subtitle { font-size: 23px; }
    .hero-actions { gap: 20px; }
    .about { column-gap: 65px; }
    .vertical-note { display: none; }
    .direction { grid-template-columns: 40px 1.1fr 1.5fr; gap: 20px; }
    .direction-tag { display: none; }
    .city-section { gap: 65px; }
    .partner-row { gap: 55px; }
    .partner-heading { gap: 18px; }
    .faq-section { gap: 65px; }
    .contact-heading { align-items: flex-start; }
    .contact-channels { gap: 25px; }
  }
  @media (max-width: 760px) {
    .wrap { width: calc(100% - 40px); }
    .site-header { min-height: 124px; flex-direction: column; justify-content: center; align-items: flex-start; gap: 13px; padding-block: 20px 12px; }
    .wordmark { font-size: 24px; gap: 10px; }
    .wordmark small { font-size: 7px; }
    .seal { width: 34px; height: 41px; font-size: 24px; }
    .site-header nav { width: 100%; justify-content: space-between; gap: 10px; font-size: 11px; }
    .site-header nav a { padding-block: 7px; }
    .nav-contact { gap: 6px; }
    .hero { grid-template-columns: 1fr; gap: 28px; padding-block: 27px 45px; }
    .hero-copy { padding-block: 8px 4px; }
    .hero-copy .eyebrow { font-size: 10px; }
    h1 { font-size: clamp(74px, 19vw, 122px); margin-block: 24px; }
    .hero-subtitle { font-size: 25px; }
    .hero-description { font-size: 13px; margin-top: 18px; }
    .hero-actions { margin-top: 25px; gap: 24px; }
    .button { padding: 13px 21px; gap: 36px; }
    .hero-notes { margin-top: 30px; font-size: 10px; }
    .hero-notes span + span { padding-left: 11px; margin-left: 11px; }
    .hero-art { width: min(100% - 18px, 470px); margin: 18px auto 0; }
    .hero-art figcaption { font-size: 9px; }
    .chapter-divider { gap: 14px; font-size: 10px; }
    .divider-flower { font-size: 17px; }
    .about { grid-template-columns: 1fr; gap: 0; }
    .section-label { margin-bottom: 25px; font-size: 9px; }
    .about-body { padding-top: 30px; }
    .about-body .lead { font-size: 24px; }
    .section-intro { display: block; margin-bottom: 36px; }
    .section-intro > p { margin-top: 24px; font-size: 13px; }
    .create-inner { padding-block: 65px 48px; }
    .direction { grid-template-columns: 35px 1fr; column-gap: 17px; row-gap: 9px; padding-block: 24px; }
    .direction-index { font-size: 21px; }
    .direction h3 { font-size: 24px; }
    .direction p { grid-column: 2; font-size: 13px; }
    .section-note { font-size: 10px; }
    .city-section { grid-template-columns: 1fr; gap: 42px; }
    .city-copy { grid-row: 1; }
    .city-art { max-width: 470px; margin-inline: auto; }
    .together-section { padding-block: 68px 45px; }
    .partner-row { grid-template-columns: 1fr; gap: 22px; padding-block: 30px; }
    .partner-heading h3 { font-size: 25px; }
    .partner-mark { flex-basis: 49px; width: 49px; height: 56px; font-size: 28px; }
    .partner-heading .eyebrow { font-size: 9px; }
    .partner-body { font-size: 13px; }
    .team-note { gap: 16px; font-size: 11px; }
    .team-note br { display: none; }
    .faq-section { grid-template-columns: 1fr; gap: 32px; }
    summary { font-size: 14px; padding-block: 19px; }
    details p { font-size: 13px; padding-right: 8px; }
    .contact-section { padding-block: 65px 42px; }
    .contact-heading { display: block; }
    .contact-heading > p { margin-top: 25px; font-size: 13px; }
    .contact-channels { grid-template-columns: 1fr; gap: 34px; margin-top: 38px; }
    .qr-pending, .qr-image { width: 200px; margin-bottom: 14px; }
    .qr-pending { font-size: 12px; gap: 16px; padding: 8px; text-align: center; }
    .channel-symbol { font-size: 30px; }
    .contact-channel h3 { font-size: 22px; }
    .contact-channel figcaption p { font-size: 12px; }
    .contact-note { font-size: 10px; margin-top: 32px; }
    .footer-inner { flex-wrap: wrap; gap: 26px; }
    .footer-inner > p { width: 100%; order: 3; font-size: 14px; }
    .back-top { margin-left: auto; font-size: 11px; }
    .footer-bottom { margin-top: 24px; font-size: 9px; }
  }
  @media (max-width: 360px) {
    .wrap { width: calc(100% - 32px); }
    .site-header nav { font-size: 10px; }
    .hero-actions { gap: 16px; }
    .hero-actions .text-link { font-size: 12px; gap: 14px; }
    .hero-notes { font-size: 9px; }
    .contact-channel h3 { font-size: 22px; }
  }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
  }
}