:root {
  --ink: #152025;
  --muted: #5d6b70;
  --paper: #fbfaf6;
  --cream: #f4efe4;
  --teal: #006f79;
  --teal-dark: #004d56;
  --red: #c84636;
  --gold: #c59a42;
  --line: rgba(21, 32, 37, .14);
  --shadow: 0 22px 60px rgba(18, 34, 39, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: var(--paper); line-height: 1.6; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(251, 250, 246, .94); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; letter-spacing: 0; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand span { display: block; font-size: 13px; line-height: 1.2; max-width: 260px; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 700; }
.nav-links a { text-decoration: none; color: var(--ink); white-space: nowrap; }
.nav-links a:hover { color: var(--teal); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 12px 18px; border-radius: 6px; text-decoration: none; font-weight: 700; border: 1px solid transparent; }
.btn-primary { background: var(--teal); color: white; }
.btn-primary:hover { background: var(--teal-dark); }
.btn-outline { border-color: rgba(255,255,255,.72); color: white; background: rgba(255,255,255,.08); }
.btn-outline:hover { background: rgba(255,255,255,.18); }
.btn-light { border-color: var(--teal); color: var(--teal); background: white; }
.hero { min-height: calc(100vh - 74px); display: grid; align-items: end; position: relative; overflow: hidden; color: white; }
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,23,28,.84), rgba(5,23,28,.48) 54%, rgba(5,23,28,.18)); }
.hero-content { position: relative; z-index: 1; padding: 88px 0 72px; max-width: 780px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--gold); font-size: 13px; text-transform: uppercase; font-weight: 800; letter-spacing: 0; }
.eyebrow::before { content: ''; width: 10px; height: 10px; background: currentColor; }
h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(42px, 7vw, 78px); margin-top: 18px; max-width: 860px; }
.hero p { font-size: clamp(18px, 2vw, 22px); max-width: 700px; margin: 24px 0 0; color: rgba(255,255,255,.9); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
section { padding: 82px 0; }
.section-soft { background: var(--cream); }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head h2 { font-size: clamp(30px, 4vw, 48px); margin-top: 12px; }
.section-head p { color: var(--muted); font-size: 18px; margin: 18px 0 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: white; border: 1px solid var(--line); border-radius: 8px; padding: 26px; box-shadow: 0 12px 34px rgba(21,32,37,.06); }
.card h3 { font-size: 22px; margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; }
.feature-image { border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); min-height: 360px; }
.feature-image img { width: 100%; height: 100%; object-fit: cover; }
.list { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.list li { padding-left: 28px; position: relative; color: var(--muted); }
.list li::before { content: ''; width: 9px; height: 9px; background: var(--red); position: absolute; left: 0; top: .7em; }
.band { background: var(--teal); color: white; }
.band p { color: rgba(255,255,255,.84); }
.page-hero { padding: 90px 0 54px; background: linear-gradient(135deg, var(--teal-dark), var(--teal)); color: white; }
.page-hero h1 { font-size: clamp(38px, 6vw, 64px); }
.page-hero p { max-width: 760px; color: rgba(255,255,255,.88); font-size: 19px; }
.tile-link { display: block; text-decoration: none; overflow: hidden; padding: 0; }
.tile-link img { height: 220px; width: 100%; object-fit: cover; }
.tile-body { padding: 24px; }
.contact-box { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: stretch; }
.contact-panel { background: white; border-radius: 8px; padding: 30px; border: 1px solid var(--line); }
.contact-panel a { color: var(--teal); font-weight: 700; }
.footer { padding: 36px 0; background: #101a1e; color: rgba(255,255,255,.78); }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer a { color: white; text-decoration: none; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; }
.zh body, .zh { font-family: Arial, 'Microsoft YaHei', 'PingFang SC', sans-serif; }
@media (max-width: 860px) {
  .nav { align-items: flex-start; padding: 14px 0; flex-direction: column; }
  .nav-links { width: 100%; overflow-x: auto; gap: 16px; padding-bottom: 6px; }
  .hero { min-height: 700px; }
  .grid-2, .grid-3, .contact-box, .gallery-grid { grid-template-columns: 1fr; }
  section { padding: 58px 0; }
  .feature-image { min-height: 260px; }
}

.tour-hero { min-height: 680px; display: grid; align-items: end; position: relative; overflow: hidden; color: white; }
.tour-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tour-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,23,28,.86), rgba(5,23,28,.52) 56%, rgba(5,23,28,.18)); }
.tour-facts { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.tour-facts span { border: 1px solid rgba(255,255,255,.42); background: rgba(255,255,255,.12); color: white; border-radius: 999px; padding: 8px 12px; font-weight: 700; font-size: 14px; }
.tour-gallery { width: min(1120px, calc(100% - 40px)); margin: -64px auto 0; position: relative; z-index: 2; display: grid; grid-template-columns: 1.3fr .85fr .85fr; gap: 14px; }
.tour-gallery img { width: 100%; height: 280px; object-fit: cover; border-radius: 8px; box-shadow: var(--shadow); }
.tour-gallery img:first-child { height: 360px; }
.timeline { display: grid; gap: 16px; }
.timeline-item { display: grid; grid-template-columns: 120px 1fr; gap: 22px; padding: 24px; background: white; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 12px 34px rgba(21,32,37,.06); }
.timeline-day { color: var(--teal); font-weight: 800; text-transform: uppercase; letter-spacing: .02em; }
.timeline-item h3 { margin-bottom: 8px; }
.timeline-item p { margin: 0; color: var(--muted); }
@media (max-width: 860px) {
  .tour-hero { min-height: 720px; }
  .tour-gallery { grid-template-columns: 1fr; margin-top: 20px; }
  .tour-gallery img, .tour-gallery img:first-child { height: 240px; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
}

.card-facts { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 14px; }
.card-facts span { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 5px 9px; color: var(--teal); font-size: 12px; font-weight: 800; background: rgba(0,111,121,.06); }
.tour-card .tile-body, .event-card .tile-body { display: grid; align-content: start; gap: 0; }
.tour-card-featured { border-color: rgba(197,154,66,.55); box-shadow: 0 18px 50px rgba(197,154,66,.16); }
.tour-card-featured .tile-body { background: linear-gradient(180deg, #fff, #fbf5e8); }
.category-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.category-pills span { display: inline-flex; padding: 10px 14px; border-radius: 999px; background: white; border: 1px solid var(--line); color: var(--teal); font-weight: 800; box-shadow: 0 10px 28px rgba(21,32,37,.05); }

.newsletter-hero { min-height: 680px; display: grid; align-items: end; position: relative; overflow: hidden; color: white; }
.newsletter-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.newsletter-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,23,28,.88), rgba(5,23,28,.58) 56%, rgba(5,23,28,.2)); }
.newsletter-card-featured { border-color: rgba(0,111,121,.34); box-shadow: 0 18px 50px rgba(0,111,121,.16); }
.newsletter-card-featured .tile-body { background: linear-gradient(180deg, #fff, #edf7f6); }
.newsletter-feature { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; }
.newsletter-text { max-width: 820px; }
.newsletter-text h2, .newsletter-feature h2 { font-size: clamp(30px, 4vw, 48px); margin-top: 12px; }
.newsletter-text p { color: var(--muted); font-size: 18px; }
.newsletter-meta { margin-top: 20px; }
.newsletter-reverse .feature-image { order: -1; }
code { background: rgba(0,111,121,.08); color: var(--teal-dark); padding: 2px 5px; border-radius: 4px; }
@media (max-width: 860px) {
  .newsletter-hero { min-height: 720px; }
  .newsletter-feature { grid-template-columns: 1fr; }
  .newsletter-reverse .feature-image { order: 0; }
}