/* 首页专属布局：公共导航、页脚与基础变量由全局样式提供 */
.home-page {
  --home-ink: #14343d;
  --home-ink-soft: #24515d;
  --home-paper: #f7f3ec;
  --home-gold: #d2b47b;
  --home-line: rgba(20, 52, 61, .13);
  background: var(--home-paper);
}

.skip-link {
  position: absolute;
  top: -60px;
  left: var(--spacing-md);
  z-index: 1100;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--home-ink);
  color: var(--color-white);
}
.skip-link:focus { top: var(--spacing-md); color: var(--color-white); }

.hero {
  position: relative;
  min-height: min(860px, 92vh);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--color-white);
  background: var(--home-ink);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(255,255,255,.08) 50%, transparent calc(50% + 1px)),
    linear-gradient(rgba(255,255,255,.07), rgba(255,255,255,.07)) 0 72% / 100% 1px no-repeat;
}
.hero-backdrop {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(8, 28, 34, .9) 0%, rgba(8, 28, 34, .52) 50%, rgba(8, 28, 34, .18) 100%), url('../images/hero/hero-1.webp');
  background-size: cover;
  background-position: center;
  transform: scale(1.015);
  transition: opacity .35s ease, transform 6s ease;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: var(--page-content-width);
  margin: 0 auto;
  padding: 150px 0 175px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(40px, 8vw, 110px);
  align-items: end;
}
.home-eyebrow {
  margin: 0 0 12px;
  color: var(--color-primary-dark);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.hero .home-eyebrow { color: #e4c58c; }
.hero h1 {
  max-width: 780px;
  margin: 0 0 18px;
  color: var(--color-white);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: .06em;
  text-wrap: balance;
  text-shadow: 0 4px 24px rgba(0, 0, 0, .16);
}
.hero-copy > #heroSubtitle {
  max-width: 640px;
  margin: 0 0 32px;
  color: rgba(255,255,255,.84);
  font-size: clamp(16px, 1.8vw, 21px);
  letter-spacing: .08em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.home-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 10px 22px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 999px;
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.home-button:hover { color: var(--color-white); transform: translateY(-2px); }
.home-button-primary { border-color: var(--color-white); background: var(--color-white); color: var(--home-ink); }
.home-button-primary:hover { color: var(--home-ink); }
.home-button-secondary { background: rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.home-button-secondary:hover { background: rgba(255,255,255,.16); }
.hero-note {
  padding: 24px;
  border-top: 1px solid rgba(255,255,255,.5);
  border-bottom: 1px solid rgba(255,255,255,.18);
  background: rgba(11,39,46,.32);
  backdrop-filter: blur(14px);
}
.hero-note p { margin: 0 0 18px; color: #e4c58c; font-size: 12px; letter-spacing: .16em; }
.hero-note strong { display: block; margin-bottom: 10px; color: var(--color-white); font-family: var(--font-heading); font-size: 24px; line-height: 1.45; }
.hero-note > span { display: block; margin-bottom: 22px; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.8; }
.hero-note a { display: flex; justify-content: space-between; color: var(--color-white); font-size: 13px; font-weight: 700; }
.hero-note a:hover { color: #e4c58c; }
.hero-signatures {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  min-height: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0 var(--page-inset);
  border-top: 1px solid rgba(255,255,255,.15);
  background: rgba(8, 28, 34, .42);
  backdrop-filter: blur(12px);
}
.hero-signatures span { position: relative; display: flex; align-items: center; justify-content: center; gap: 12px; color: rgba(255,255,255,.82); font-size: 13px; letter-spacing: .08em; }
.hero-signatures span + span::before { content: ""; position: absolute; left: 0; top: 50%; height: 24px; border-left: 1px solid rgba(255,255,255,.18); transform: translateY(-50%); }
.hero-signatures b { color: #e4c58c; font-size: 10px; letter-spacing: .1em; }
.hero-controls {
  position: absolute;
  z-index: 3;
  right: var(--page-inset);
  bottom: 91px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.hero-controls button {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 50%;
  background: rgba(8,28,34,.28);
  color: var(--color-white);
  cursor: pointer;
}
.hero-controls button:hover { background: rgba(255,255,255,.16); }
.hero-controls #heroDots { display: flex; gap: 6px; }
.hero-dot { width: 18px !important; height: 4px !important; padding: 0; border: 0 !important; border-radius: 99px !important; background: rgba(255,255,255,.35) !important; }
.hero-dot.active { width: 34px !important; background: var(--color-white) !important; }

main > .section {
  padding: clamp(72px, 9vw, 118px) var(--page-inset);
}
main > .section-alt { background: #eee8de; }
.home-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, .6fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 42px;
}
.home-section-heading h2 {
  max-width: 760px;
  margin: 0;
  color: var(--home-ink);
  font-size: clamp(34px, 4.3vw, 52px);
  line-height: 1.25;
  letter-spacing: .03em;
  text-wrap: balance;
}
.home-section-heading > p { margin: 0 0 7px; color: var(--color-text-secondary); line-height: 1.9; }

.channel-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.channel-card {
  position: relative;
  min-height: 255px;
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  justify-content: end;
  overflow: hidden;
  padding: 28px;
  border-radius: 4px;
  isolation: isolate;
  color: var(--color-white);
  background-position: center;
  background-size: cover;
  box-shadow: 0 14px 36px rgba(20, 52, 61, .12);
  transition: transform .3s ease, box-shadow .3s ease;
}
.channel-card:nth-child(1) { grid-column: span 7; min-height: 340px; }
.channel-card:nth-child(2) { grid-column: span 5; min-height: 340px; }
.channel-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10,28,34,.02) 12%, rgba(10,28,34,.84) 100%); }
.channel-card::after { content: ""; position: absolute; inset: 12px; z-index: -1; border: 1px solid rgba(255,255,255,.22); opacity: 0; transition: opacity .3s ease; }
.channel-card-image { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.65,.3,1); }
.channel-card:hover { color: var(--color-white); transform: translateY(-5px); box-shadow: 0 22px 50px rgba(20, 52, 61, .2); }
.channel-card:hover::after { opacity: 1; }
.channel-card:hover .channel-card-image { transform: scale(1.045); }
.channel-card span, .card-tag { color: #efd39b; font-family: var(--font-body); font-size: 11px; font-style: normal; font-weight: 700; letter-spacing: .14em; }
.channel-card strong { margin: 8px 0 3px; color: var(--color-white); font-family: var(--font-heading); font-size: 27px; }
.channel-card small { max-width: 330px; color: rgba(255,255,255,.75); font-size: 13px; }
.channel-card i { position: absolute; top: 24px; right: 24px; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; font-style: normal; }
.featured-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 230px; gap: 14px; }
.featured-card { position: relative; grid-column: span 3; overflow: hidden; border-radius: 3px; color: var(--color-white); background: var(--home-ink); }
.featured-card:first-child { grid-column: span 6; grid-row: span 2; }
.featured-card:nth-child(4) { grid-column: span 6; }
.featured-card:nth-child(5), .featured-card:nth-child(6), .featured-card:nth-child(7), .featured-card:nth-child(8) { grid-column: span 3; }
.featured-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.65,.3,1); }
.featured-card:hover img { transform: scale(1.055); }
.featured-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: end; padding: 25px; background: linear-gradient(transparent 22%, rgba(7,24,29,.86)); }
.featured-overlay h3 { margin: 7px 0 3px; color: var(--color-white); font-size: 23px; }
.featured-overlay p { margin: 0; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.65; display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.featured-card:first-child .featured-overlay { padding: 34px; }
.featured-card:first-child .featured-overlay h3 { font-size: 34px; }

#seasonalSection { color: var(--color-white); background: var(--home-ink); }
#seasonalSection .home-eyebrow { color: #e4c58c; }
#seasonalSection .home-section-heading h2 { color: var(--color-white); }
#seasonalSection .home-section-heading > p { color: rgba(255,255,255,.65); }
.seasonal-layout { display: grid; grid-template-columns: 1.35fr .8fr; gap: 16px; }
.season-cover { position: relative; min-height: 470px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 38px; border-radius: 3px; background-size: cover; background-position: center; isolation: isolate; }
.season-cover::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(145deg, rgba(12,40,47,.82), rgba(12,40,47,.08) 62%, rgba(12,40,47,.48)); }
.season-cover::after { content: "当季"; position: absolute; right: 24px; top: -20px; z-index: -1; color: rgba(255,255,255,.09); font-family: var(--font-heading); font-size: 118px; font-weight: 900; writing-mode: vertical-rl; }
.season-cover h3 { max-width: 540px; margin: 8px 0 0; color: var(--color-white); font-size: clamp(34px, 4vw, 52px); }
.season-cover p { max-width: 650px; margin: 0; color: rgba(255,255,255,.82); }
.season-list { display: grid; grid-template-rows: repeat(3, 1fr); gap: 12px; }
.season-item { display: flex; flex-direction: column; justify-content: center; padding: 24px 26px; border: 1px solid rgba(255,255,255,.12); border-left: 3px solid #d9bb83; background: rgba(255,255,255,.045); transition: background .2s ease, transform .2s ease; }
.season-item:hover { color: var(--color-white); background: rgba(255,255,255,.09); transform: translateX(4px); }
.season-item:focus-visible { color: var(--color-white); outline: 3px solid #e4c58c; outline-offset: 3px; background: rgba(255,255,255,.09); }
.season-item h3 { margin: 7px 0 4px; color: var(--color-white); font-size: 19px; }
.season-item p { margin: 0; color: rgba(255,255,255,.58); font-size: 13px; }


.route-grid, .best-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.route-card { position: relative; min-height: 355px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--home-line); border-radius: 3px; background: rgba(255,255,255,.58); transition: transform .25s ease, background .25s ease, box-shadow .25s ease; }
.route-card::before { content: attr(data-route-index); position: absolute; top: 16px; right: 22px; color: rgba(20,52,61,.09); font-family: var(--font-heading); font-size: 68px; font-weight: 900; line-height: 1; }
.route-card:hover { transform: translateY(-5px); background: var(--color-white); box-shadow: 0 18px 45px rgba(20,52,61,.11); }
.route-card h3 { margin: 12px 0 7px; color: var(--home-ink); font-size: 25px; }
.route-card p { min-height: 56px; margin: 0; color: var(--color-text-secondary); font-size: 14px; }
.route-card ol { position: relative; display: grid; gap: 13px; margin: 24px 0; padding-left: 23px; color: var(--home-ink-soft); }
.route-card ol::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: var(--home-line); }
.route-card li { position: relative; }
.route-card li::before { content: ""; position: absolute; left: -22px; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary-dark); box-shadow: 0 0 0 4px var(--home-paper); }
.route-card li a { color: var(--home-ink-soft); }
.route-card > a { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--home-line); color: var(--home-ink); font-size: 13px; font-weight: 700; }

.best-card { position: relative; min-height: 230px; padding: 29px; overflow: hidden; border-top: 2px solid var(--color-primary-dark); background: rgba(255,255,255,.66); }
.best-card::after { content: "“"; position: absolute; right: 18px; bottom: -45px; color: rgba(74,142,168,.09); font-family: Georgia, serif; font-size: 150px; line-height: 1; }
.best-card h3 { margin: 14px 0 7px; color: var(--home-ink); font-size: 21px; }
.best-card strong { display: block; margin-bottom: 9px; color: var(--color-primary-dark); }
.best-card p { position: relative; z-index: 1; margin: 0; color: var(--color-text-secondary); font-size: 14px; }

.travel-notes { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 24px; border: 1px solid var(--home-line); background: rgba(255,255,255,.46); }
.travel-notes > * { min-height: 150px; display: flex; flex-direction: column; justify-content: center; padding: 22px; border-right: 1px solid var(--home-line); }
.travel-notes > *:last-child { border-right: 0; background: var(--home-ink); }
.travel-notes span { color: var(--color-text-light); font-size: 11px; letter-spacing: .12em; }
.travel-notes strong { margin: 6px 0; color: var(--home-ink); font-family: var(--font-heading); font-size: 21px; }
.travel-notes small { color: var(--color-text-secondary); line-height: 1.65; }
.travel-notes a span, .travel-notes a small { color: rgba(255,255,255,.65); }
.travel-notes a strong { color: var(--color-white); }
.travel-notes a:hover { color: var(--color-white); }
.city-layout { display: grid; grid-template-columns: 1.45fr 1fr; gap: 16px; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.stat-card { min-height: 150px; padding: 24px; border: 1px solid var(--home-line); background: rgba(255,255,255,.62); }
.stat-card strong { display: block; color: var(--color-primary-dark); font-family: var(--font-heading); font-size: 32px; line-height: 1.35; }
.stat-card span { display: block; margin: 5px 0; color: var(--home-ink); font-weight: 700; }
.stat-card small { color: var(--color-text-secondary); }
.transport-panel { padding: 28px; border: 0; border-radius: 3px; background: #dce9e9; }
.transport-panel h3 { margin: 0 0 10px; color: var(--home-ink); font-size: 24px; }
.transport-row { padding: 15px 0; border-bottom: 1px solid rgba(20,52,61,.12); }
.transport-row:last-child { border-bottom: 0; }
.transport-row strong { display: block; color: var(--home-ink); }
.transport-row span { color: var(--color-text-secondary); font-size: 13px; line-height: 1.7; }
.empty-state, .loading { grid-column: 1 / -1; padding: 25px; border: 1px dashed var(--home-line); color: var(--color-text-secondary); text-align: center; }

@media (max-width: 980px) {
  .hero { min-height: 780px; }
  .hero-content { grid-template-columns: 1fr; gap: 32px; padding: 130px 0 170px; }
  .hero-note { max-width: 460px; }
  .home-section-heading { grid-template-columns: 1fr; gap: 12px; }
  .channel-card:nth-child(n) { grid-column: span 6; min-height: 290px; }
  .channel-card:last-child { grid-column: span 12; }
  .featured-card, .featured-card:nth-child(n) { grid-column: span 6; }
  .featured-card:first-child { grid-row: span 2; }
  .seasonal-layout, .city-layout { grid-template-columns: 1fr; }
  .route-grid, .best-grid { grid-template-columns: 1fr; }
  .travel-notes { grid-template-columns: repeat(2, 1fr); }
  .travel-notes > *:nth-child(2) { border-right: 0; }
  .travel-notes > *:nth-child(-n+2) { border-bottom: 1px solid var(--home-line); }
}

@media (max-width: 620px) {
  .hero { min-height: 760px; }
  .hero::before { display: none; }
  .hero-backdrop { background-position: 58% center; }
  .hero-content { width: var(--page-content-width); padding: 112px 0 205px; gap: 24px; }
  .hero h1 { font-size: clamp(42px, 14vw, 58px); letter-spacing: .02em; }
  .hero-copy > #heroSubtitle { font-size: 15px; }
  .home-button { min-height: 44px; padding: 8px 17px; }
  .hero-note { padding: 18px; }
  .hero-note strong { font-size: 20px; }
  .hero-signatures { min-height: 104px; grid-template-columns: repeat(2, 1fr); padding: 12px var(--page-inset); }
  .hero-signatures span { font-size: 12px; }
  .hero-signatures span:nth-child(3)::before { display: none; }
  .hero-controls { right: 16px; bottom: 118px; }
  main > .section { padding: 72px var(--page-inset); }
  .home-section-heading { margin-bottom: 28px; }
  .home-section-heading h2 { font-size: 32px; }
  .home-section-heading > p { font-size: 14px; }
  .channel-card:nth-child(n) { grid-column: 1 / -1; min-height: 250px; padding: 22px; }
  .featured-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(4, 245px); grid-auto-rows: 180px; gap: 12px; }
  .featured-card, .featured-card:nth-child(n) { grid-column: 1 / -1; grid-row: auto; min-width: 0; min-height: 0; }
  .featured-card:first-child .featured-overlay { padding: 25px; }
  .featured-card:first-child .featured-overlay h3 { font-size: 27px; }
  .featured-card:nth-child(n + 5) { grid-column: span 1; }
  .featured-card:nth-child(n + 5) .featured-overlay { padding: 16px; }
  .featured-card:nth-child(n + 5) .featured-overlay h3 { margin-bottom: 0; font-size: 18px; line-height: 1.35; }
  .featured-card:nth-child(n + 5) .featured-overlay p { display: none; }
  .season-cover { min-height: 390px; padding: 26px; }
  .season-cover::after { font-size: 86px; }
  .season-list { grid-template-rows: none; }
  .travel-notes, .stats-grid { grid-template-columns: 1fr; }
  .travel-notes > * { min-height: 128px; border-right: 0; border-bottom: 1px solid var(--home-line); }
  .travel-notes > *:last-child { border-bottom: 0; }
}

/* 栏目标题在宽屏保持左右对照，小屏自然折行 */
.home-section-heading{display:flex;justify-content:space-between;gap:48px;align-items:flex-end}
.home-section-heading>div{min-width:0;flex:1}
.home-section-heading>p{flex:0 0 auto;white-space:nowrap}
@media(max-width:900px){.home-section-heading{flex-direction:column;align-items:flex-start;gap:12px}.home-section-heading>p{white-space:normal}}

@media (prefers-reduced-motion: reduce) {
  .hero-backdrop, .home-button, .channel-card, .channel-card-image, .featured-card img, .season-item, .route-card { transition: none; }
}

/* 首页新用户认知入口 */
.home-orientation { display:grid; width:var(--page-content-width); grid-template-columns:minmax(0,1fr) auto; align-items:center; gap:var(--spacing-lg) var(--spacing-xl); margin:var(--spacing-xl) auto 0; padding:var(--spacing-xl); border:1px solid var(--color-border); border-radius:var(--border-radius-lg); background:var(--color-white); box-shadow:var(--shadow-sm); }
.home-orientation>div>span { color:var(--color-accent); font-size:12px; font-weight:750; letter-spacing:.12em; }
.home-orientation h2 { margin:5px 0 6px; font-size:24px; }
.home-orientation p { margin:0; color:var(--color-text-secondary); font-size:14px; line-height:1.65; }
.home-orientation ul { display:flex; gap:8px; margin:0; padding:0; list-style:none; }
.home-orientation li { display:flex; min-width:82px; flex-direction:column; align-items:center; padding:10px 12px; border-radius:10px; background:var(--color-primary-bg); }
.home-orientation-icon { display:block; width:40px; height:40px; flex-shrink:0; margin-bottom:var(--spacing-xs); }
.home-orientation li span { color:var(--color-text-secondary); font-size:11px; white-space:nowrap; }
.home-orientation-actions { grid-column:1 / -1; display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:var(--spacing-sm); padding-top:var(--spacing-lg); border-top:1px solid var(--color-border); }
.home-orientation-actions .btn { justify-content:space-between; gap:var(--spacing-sm); padding-inline:var(--spacing-md); white-space:nowrap; font-weight:600; transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast); }
.home-orientation-actions .btn:active { transform:none; }
.home-orientation-actions .btn-primary { background:var(--color-surface-deep); }
.home-orientation-actions .btn-primary:hover { background:var(--color-primary-dark); }
.home-orientation-actions .btn-outline { border-color:var(--color-border); color:var(--color-surface-deep); }
.home-orientation-actions .btn-outline:hover { border-color:var(--color-primary-dark); background:var(--color-primary-bg); }
@media(max-width:1000px){.home-orientation{grid-template-columns:1fr}.home-orientation ul{justify-content:flex-start}.home-orientation-actions{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:767px){.home-orientation{gap:var(--spacing-lg);margin-top:var(--spacing-lg);padding:var(--spacing-lg)}.home-orientation-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.home-orientation-actions .btn{padding-inline:var(--spacing-sm);gap:var(--spacing-xs)}.home-orientation li{min-width:0;flex:1}}
@media(prefers-reduced-motion:reduce){.home-orientation-actions .btn{transition:none}}