/* ==========================================================================
   美景天气 ChinaSpotWeather — 新中式水墨 (Neo-Chinese Ink)
   Design tokens & components per DESIGN.md
   ========================================================================== */

:root {
  /* palette */
  --paper: #f5f0e4;
  --paper-card: #fbf8f0;
  --paper-deep: #ece5d3;
  --ink-900: #26261f;
  --ink-700: #4c4a3e;
  --ink-500: #7d7968;
  --hairline: #ddd5bf;
  --vermillion: #b23a30;
  --vermillion-deep: #8f2d25;
  --dai-cyan: #37504f;
  --dai-deep: #26393a;
  --mist: #9db4b0;
  --gold: #b98a3c;

  /* type */
  --font-display: 'Cormorant Garamond', 'Noto Serif SC', Georgia, 'Songti SC', serif;
  --font-cjk: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-ui: 'Inter', 'Noto Serif SC', -apple-system, 'PingFang SC', sans-serif;

  /* rhythm */
  --gutter: 24px;
  --maxw: 1200px;
  --radius-card: 16px;
  --shadow-hover: rgba(38, 38, 31, 0.06) 0 2px 8px, rgba(38, 38, 31, 0.10) 0 12px 32px;
}

/* ---------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-cjk);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(178, 58, 48, 0.18); }

/* paper grain: faint fiber speckle over the whole canvas */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: radial-gradient(rgba(38, 38, 31, 0.028) 1px, transparent 1px);
  background-size: 26px 26px;
}
main, footer, header, .modal-scrim { position: relative; z-index: 1; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------------------------------------------------------------- type */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--vermillion);
  margin: 0 0 16px;
}
.eyebrow.eyebrow-ink { color: var(--ink-500); }
.section-title {
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1.15;
  font-weight: 500;
  margin: 0 0 14px;
}
.section-sub {
  color: var(--ink-700);
  max-width: 56ch;
  margin: 0 0 48px;
}

/* ------------------------------------------------------------- top nav */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 240, 228, 0.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 300ms ease, box-shadow 300ms ease;
}
.topnav.scrolled { border-bottom-color: var(--hairline); }
.nav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex: 0 0 auto;
}
.seal {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  transform: rotate(-2deg);
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-zh {
  font-family: var(--font-cjk);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.14em;
}
.brand-en {
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav-link {
  text-decoration: none;
  font-size: 15px;
  color: var(--ink-700);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 2px;
  position: relative;
}
.nav-link .nav-en {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--vermillion);
  transition: right 300ms ease;
}
.nav-link:hover { color: var(--ink-900); }
.nav-link:hover::after { right: 0; }

/* language pill */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  padding: 3px;
  background: var(--paper-card);
  flex: 0 0 auto;
}
.lang-btn {
  border: 0;
  background: transparent;
  border-radius: 9999px;
  padding: 6px 14px;
  min-height: 32px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  transition: background 200ms ease, color 200ms ease;
}
.lang-btn.active { background: var(--ink-900); color: var(--paper); }

/* ---------------------------------------------------------------- hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-art {
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: min(58vh, 560px);
  pointer-events: none;
}
.hero-art svg { width: 100%; height: 100%; }
.hero-art .parallax-layer { position: absolute; inset: 0; }
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 96px;
  padding-bottom: 30vh;
  max-width: 720px;
}
.hero .eyebrow { margin-bottom: 20px; }
.hero-title-zh {
  font-family: var(--font-cjk);
  font-size: clamp(44px, 7vw, 84px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0.06em;
  margin: 0 0 10px;
}
.hero-title-en {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 42px);
  font-style: italic;
  font-weight: 500;
  line-height: 1.2;
  color: var(--ink-700);
  margin: 0 0 28px;
}
.hero-sub {
  font-size: 16.5px;
  color: var(--ink-700);
  max-width: 46ch;
  margin: 0 0 40px;
}
.hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.hero-badge {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

/* vertical CJK accent, desktop only */
.hero-vertical {
  position: absolute;
  z-index: 2;
  right: calc(var(--gutter) + 8px);
  top: 50%;
  transform: translateY(-58%);
  writing-mode: vertical-rl;
  font-family: var(--font-cjk);
  font-size: 40px;
  letter-spacing: 0.3em;
  color: var(--ink-500);
  opacity: 0.75;
  user-select: none;
  pointer-events: none;
}

/* drifting clouds */
.cloud {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  opacity: 0.6;
}
.cloud-1 { top: 16%; left: -12%; animation: drift 60s linear infinite; }
.cloud-2 { top: 30%; left: -30%; animation: drift 84s linear infinite 12s; opacity: 0.45; }
.cloud-3 { top: 8%;  left: -46%; animation: drift 72s linear infinite 30s; opacity: 0.35; }
@keyframes drift {
  from { transform: translateX(0); }
  to   { transform: translateX(160vw); }
}

/* scroll hint */
.scroll-hint {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-500);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-hint::after {
  content: '';
  width: 1px; height: 34px;
  background: linear-gradient(var(--ink-500), transparent);
}

/* ------------------------------------------------------------- buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--vermillion);
  color: var(--paper);
  border: 0;
  border-radius: 8px;
  padding: 12px 24px;
  min-height: 48px;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 200ms ease, transform 200ms ease;
}
.btn-primary:hover { background: var(--vermillion-deep); transform: translateY(-1px); }
.btn-primary .btn-arrow { font-family: var(--font-ui); }

/* ---------------------------------------------------------- ornaments */
.ornament {
  display: flex;
  justify-content: center;
  padding: 64px 0 0;
  color: var(--gold);
  opacity: 0.85;
}
.ornament svg { width: 120px; height: 32px; }
.ornament.ornament-mist { color: var(--mist); }
.section { padding: 72px 0 24px; }
.section + .ornament { padding-top: 72px; }

/* ---------------------------------------------------------- city grid */
.city-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.city-card {
  background: var(--paper-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  cursor: pointer;
  transition: transform 250ms ease, box-shadow 250ms ease;
}
.city-card:hover, .city-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.city-card:focus-visible { outline: 2px solid var(--vermillion); outline-offset: 2px; }
.card-art {
  height: 190px;
  background: linear-gradient(var(--dai-cyan), var(--mist)); /* fallback before svg paints */
}
.card-art svg { width: 100%; height: 100%; }
.card-body { padding: 20px 22px 22px; }
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}
.card-name { font-size: 24px; font-weight: 600; letter-spacing: 0.04em; }
.card-name-en {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--ink-500);
  margin-top: 2px;
}
.card-wx {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-700);
  padding-top: 4px;
  white-space: nowrap;
}
.card-wx .wx-t {
  font-family: var(--font-ui);
  font-size: 26px;
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  color: var(--ink-900);
  line-height: 1;
}
.card-wx .wx-c { font-size: 13.5px; color: var(--ink-500); }
.wx-icon { flex: 0 0 auto; color: var(--ink-700); }
.wx-icon .wx-gold { stroke: var(--gold); }
.is-hidden { visibility: hidden; }
.card-province {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-500);
  margin: 2px 0 12px;
}
.card-intro {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-700);
  min-height: 3.4em;
  margin-bottom: 16px;
}
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  padding: 4px 12px;
  min-height: 28px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ink-700);
  background: transparent;
}
.chip-season { color: var(--vermillion); border-color: rgba(178, 58, 48, 0.35); }

/* --------------------------------------------------- dark scenic band */
.band-dark {
  background: var(--dai-deep);
  color: var(--paper);
  padding: 96px 0;
  margin-top: 72px;
  position: relative;
  overflow: hidden;
}
.band-dark .eyebrow { color: var(--gold); }
.band-dark .section-title { color: var(--paper); }
.band-dark .section-sub { color: rgba(245, 240, 228, 0.66); }
.hl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.hl-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid rgba(185, 138, 60, 0.28);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(245, 240, 228, 0.03);
}
.hl-art {
  min-height: 200px;
  border-bottom: 1px solid rgba(185, 138, 60, 0.22);
}
.hl-art svg { width: 100%; height: 100%; }
.hl-body { padding: 28px 28px 30px; }
.hl-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.hl-head h3 { font-size: 26px; font-weight: 600; letter-spacing: 0.05em; }
.hl-en {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-style: italic;
  color: var(--mist);
  margin-top: 3px;
  letter-spacing: 0.03em;
}
.hl-wx {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  border: 1px solid rgba(185, 138, 60, 0.4);
  border-radius: 9999px;
  padding: 6px 14px;
  white-space: nowrap;
}
.hl-wx .wx-icon { color: var(--mist); }
.hl-cond { font-family: var(--font-cjk); font-size: 12.5px; color: var(--mist); }
.hl-desc {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 240, 228, 0.82);
  margin-bottom: 18px;
}
.hl-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip-dark {
  border-color: rgba(245, 240, 228, 0.25);
  color: rgba(245, 240, 228, 0.75);
}

/* ---------------------------------------------------------------- about */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 860px;
}
.about-grid p { color: var(--ink-700); font-size: 16px; }
.about-credit {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--ink-500);
  max-width: 860px;
}
.about-credit a {
  color: var(--vermillion);
  text-decoration: none;
  border-bottom: 1px solid rgba(178, 58, 48, 0.35);
}
.about-credit a:hover { color: var(--vermillion-deep); }

/* --------------------------------------------------------------- footer */
.footer {
  background: var(--paper-deep);
  margin-top: 96px;
  padding: 56px 0 40px;
  border-top: 1px solid var(--hairline);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}
.footer .seal { width: 40px; height: 40px; }
.footer-tag-zh { font-size: 18px; letter-spacing: 0.22em; color: var(--ink-900); }
.footer-tag-en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-500);
}
.footer-meta {
  margin-top: 10px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  color: var(--ink-500);
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-meta a { color: var(--ink-700); text-decoration: none; border-bottom: 1px solid var(--hairline); }
.footer-meta a:hover { color: var(--vermillion); }
.footer-dot { color: var(--gold); }

/* ---------------------------------------------------------------- modal */
body.modal-open { overflow: hidden; }
.modal-scrim {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(38, 38, 31, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5vh 16px 4vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
  overflow-y: auto;
}
.modal-scrim.open { opacity: 1; visibility: visible; }
.modal {
  position: relative;
  background: var(--paper);
  border-radius: 20px;
  border: 1px solid var(--hairline);
  width: 100%;
  max-width: 860px;
  padding: 40px 40px 36px;
  transform: translateY(16px);
  transition: transform 350ms ease;
}
.modal-scrim.open .modal { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: var(--paper-card);
  color: var(--ink-700);
  font-size: 22px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 200ms ease, color 200ms ease;
}
.modal-close:hover { background: var(--ink-900); color: var(--paper); }
.m-head { margin-bottom: 28px; padding-right: 48px; }
.m-titles { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.m-city { font-size: 34px; font-weight: 600; letter-spacing: 0.05em; }
.m-city-en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  font-weight: 500;
  color: var(--ink-500);
  margin-left: 12px;
  letter-spacing: 0.02em;
}
.m-province {
  font-family: var(--font-ui);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
  margin-top: 6px;
}
.m-intro { margin-top: 12px; color: var(--ink-700); max-width: 60ch; }

.m-sec-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin: 32px 0 14px;
}
.m-sec-count {
  font-family: var(--font-cjk);
  text-transform: none;
  letter-spacing: 0.05em;
  font-weight: 400;
  color: var(--ink-500);
}

.m-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-500);
  font-size: 14.5px;
  padding: 32px 0;
}
.m-spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--hairline);
  border-top-color: var(--vermillion);
  animation: spin 900ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.m-sample-note {
  font-size: 13px;
  color: var(--ink-500);
  background: var(--paper-deep);
  border: 1px dashed var(--hairline);
  border-radius: 8px;
  padding: 8px 14px;
  margin-bottom: 16px;
}

.now-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  background: var(--paper-card);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 24px 28px;
}
.now-main { display: flex; align-items: center; gap: 20px; }
.now-icon { color: var(--ink-700); }
.now-temp {
  font-family: var(--font-ui);
  font-size: 52px;
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--ink-900);
}
.now-f {
  font-size: 16px;
  font-weight: 400;
  color: var(--ink-500);
  margin-left: 10px;
}
.now-cond { font-size: 17px; color: var(--ink-900); margin-top: 8px; }
.now-cond span { font-size: 13px; color: var(--ink-500); margin-left: 10px; font-style: italic; font-family: var(--font-display); }
.now-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px 20px;
}
.stat-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 4px;
}
.stat-label em {
  font-style: normal;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.02em;
  margin-left: 6px;
  opacity: 0.75;
}
.stat-value {
  font-family: var(--font-ui);
  font-size: 16.5px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-900);
}

.forecast-strip {
  display: flex;
  overflow-x: auto;
  background: var(--paper-deep);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  -webkit-overflow-scrolling: touch;
}
.fc-cell {
  flex: 1 0 72px;
  min-width: 76px;
  padding: 16px 8px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  border-right: 1px solid var(--hairline);
  position: relative;
}
.fc-cell:last-child { border-right: 0; }
.fc-cell.today::before {
  content: '';
  position: absolute;
  top: 0; left: 12px; right: 12px;
  height: 2px;
  background: var(--vermillion);
}
.fc-day {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-500);
}
.fc-cell.today .fc-day { color: var(--vermillion); font-weight: 600; }
.fc-temps { display: flex; gap: 8px; align-items: baseline; font-family: var(--font-ui); font-variant-numeric: tabular-nums; }
.fc-temps b { font-size: 15.5px; font-weight: 500; color: var(--ink-900); }
.fc-temps i { font-size: 13px; font-style: normal; color: var(--ink-500); }

.scenic-list { display: flex; flex-direction: column; }
.scenic-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--hairline);
}
.scenic-art {
  width: 72px; height: 72px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  flex: 0 0 auto;
}
.scenic-art svg { width: 100%; height: 100%; }
.scenic-body h4 { font-size: 18px; font-weight: 600; letter-spacing: 0.03em; }
.scenic-en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-500);
  margin-left: 10px;
}
.scenic-body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
  margin: 6px 0 10px;
}
.scenic-chips { display: flex; gap: 8px; flex-wrap: wrap; }

/* -------------------------------------------------------------- reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}
.reveal.in { opacity: 1; transform: none; }

/* ---------------------------------------------------------- responsive */
@media (min-width: 768px) {
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .now-row { grid-template-columns: auto 1fr; }
  .hl-item { grid-template-columns: 5fr 6fr; }
  .hl-art { border-bottom: 0; border-right: 1px solid rgba(185, 138, 60, 0.22); min-height: 260px; }
  .hl-item.hl-flip .hl-art { order: 2; border-right: 0; border-left: 1px solid rgba(185, 138, 60, 0.22); }
  .hl-item.hl-flip .hl-body { order: 1; }
}
@media (min-width: 1024px) {
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .hl-grid { grid-template-columns: repeat(2, 1fr); }
  .hl-item { grid-template-columns: 1fr; }
  .hl-item.hl-flip .hl-art { order: 0; border-left: 0; }
  .hl-art { border-right: 0; border-bottom: 1px solid rgba(185, 138, 60, 0.22); min-height: 210px; }
}
@media (max-width: 1023px) {
  .hero-vertical { display: none; }
}
@media (max-width: 767px) {
  .section-title { font-size: 30px; }
  .nav-links { gap: 16px; }
  .nav-link .nav-en { display: none; }
  .brand-en { display: none; }
  .hero-content { padding-top: 72px; padding-bottom: 36vh; }
  .hero-actions { gap: 14px; }
  .modal { padding: 28px 22px 28px; }
  .m-head { padding-right: 40px; }
  .now-temp { font-size: 44px; }
  .card-intro { min-height: 0; }
  .band-dark { padding: 72px 0; }
}
@media (max-width: 480px) {
  .nav-links { gap: 12px; }
  .nav-link { font-size: 14px; }
  .lang-btn { padding: 6px 10px; }
}

/* ---------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .cloud { animation: none; }
}


/* ==========================================================================
   小景 Xiaojing — AI travel-advisor chat widget
   ========================================================================== */
.chat-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 92;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid rgba(185, 138, 60, 0.65);
  background: var(--vermillion);
  color: var(--paper);
  font-family: var(--font-cjk);
  font-size: 23px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: rgba(38, 38, 31, 0.12) 0 4px 16px, rgba(38, 38, 31, 0.16) 0 12px 32px;
  transition: background 200ms ease, transform 200ms ease, opacity 250ms ease;
  animation: chat-breathe 4.5s ease-in-out infinite;
}
.chat-fab:hover { background: var(--vermillion-deep); transform: translateY(-2px); }
.chat-fab.hidden { opacity: 0; pointer-events: none; transform: scale(0.85); }
@keyframes chat-breathe {
  0%, 100% { box-shadow: rgba(38, 38, 31, 0.12) 0 4px 16px, 0 0 0 0 rgba(178, 58, 48, 0.25); }
  50%      { box-shadow: rgba(38, 38, 31, 0.14) 0 6px 20px, 0 0 0 10px rgba(178, 58, 48, 0); }
}

.chat-panel {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 95;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: min(560px, calc(100dvh - 48px));
  display: flex;
  flex-direction: column;
  background: var(--paper-card);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: rgba(38, 38, 31, 0.10) 0 4px 16px, rgba(38, 38, 31, 0.16) 0 20px 56px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 280ms ease, transform 280ms ease, visibility 280ms ease;
}
.chat-panel.open { opacity: 1; visibility: visible; transform: translateY(0); }

.chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
}
.chat-seal {
  width: 34px;
  height: 34px;
  border-radius: 4px;
  background: var(--vermillion);
  color: var(--paper);
  font-family: var(--font-cjk);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-2deg);
  box-shadow: inset 0 0 0 1px rgba(185, 138, 60, 0.5);
  flex: 0 0 auto;
}
.chat-head-text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.chat-title { font-family: var(--font-cjk); font-size: 16.5px; font-weight: 600; letter-spacing: 0.03em; }
.chat-sub {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-close {
  margin-left: auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink-700);
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 200ms ease, color 200ms ease;
  flex: 0 0 auto;
}
.chat-close:hover { background: var(--ink-900); color: var(--paper); }

.chat-msgs {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 18px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.chat-msg {
  font-size: 14.5px;
  line-height: 1.7;
  max-width: 88%;
  overflow-wrap: break-word;
}
.chat-msg.assistant {
  align-self: flex-start;
  color: var(--ink-900);
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--paper-deep);
  border: 1px solid var(--hairline);
  border-radius: 12px 12px 4px 12px;
  padding: 8px 14px;
  color: var(--ink-900);
}
.chat-msg.note {
  align-self: stretch;
  max-width: none;
  font-size: 13px;
  color: var(--ink-500);
  background: var(--paper-deep);
  border: 1px dashed var(--hairline);
  border-radius: 8px;
  padding: 10px 14px;
}
.chat-retry {
  border: 0;
  background: none;
  padding: 0 0 0 6px;
  color: var(--vermillion);
  font-size: 13px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.chat-retry:hover { color: var(--vermillion-deep); }

.chat-msg.typing { display: flex; align-items: center; gap: 8px; color: var(--ink-500); font-size: 13px; }
.chat-dots { display: inline-flex; gap: 4px; }
.chat-dots i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ink-500);
  animation: chat-dot 1.2s ease-in-out infinite;
}
.chat-dots i:nth-child(2) { animation-delay: 0.15s; }
.chat-dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes chat-dot {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.chat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 16px 12px;
}
.chat-chip {
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  background: transparent;
  padding: 6px 14px;
  font-family: var(--font-cjk);
  font-size: 13px;
  color: var(--ink-700);
  transition: border-color 200ms ease, color 200ms ease;
  text-align: left;
}
.chat-chip:hover { border-color: rgba(178, 58, 48, 0.5); color: var(--vermillion); }

.chat-form {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--hairline);
  background: var(--paper);
}
.chat-input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--paper-card);
  padding: 10px 14px;
  font-family: var(--font-cjk);
  font-size: 14.5px;
  color: var(--ink-900);
  outline: none;
  transition: border-color 200ms ease;
}
.chat-input:focus { border-color: var(--mist); }
.chat-send {
  flex: 0 0 auto;
  border: 0;
  border-radius: 8px;
  background: var(--vermillion);
  color: var(--paper);
  padding: 10px 20px;
  min-height: 44px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  transition: background 200ms ease;
}
.chat-send:hover { background: var(--vermillion-deep); }
.chat-send:disabled { opacity: 0.55; cursor: default; }

@media (max-width: 767px) {
  .chat-fab { right: 16px; bottom: 16px; }
  .chat-panel {
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: none;
    height: 100dvh;
    max-height: none;
    border-radius: 0;
    border: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-fab { animation: none; }
  .chat-panel { transition: none; }
  .chat-dots i { animation: none; opacity: 0.6; }
}