:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --line: rgba(255,255,255,.14);
  --primary: #22c55e;
  --primary-2: #16a34a;
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --radius: 18px;
  --container: 1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 700px at 20% -10%, rgba(34,197,94,.25), transparent 60%),
    radial-gradient(1200px 700px at 90% 0%, rgba(59,130,246,.18), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.92}

/* 页面主体尽量居中（不影响顶部导航） */
main, footer{
  text-align:center;
}

.nowrap{white-space:nowrap}

.container{
  width:min(var(--container), calc(100% - 48px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:saturate(160%) blur(10px);
  background: rgba(11, 18, 32, .68);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:16px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-weight:700;
  letter-spacing:.4px;
  white-space:nowrap;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding: 0 14px;
  min-width: 42px;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(34,197,94,.95), rgba(16,185,129,.65));
  color:#062412;
  box-shadow: 0 14px 40px rgba(34,197,94,.18);
  white-space: nowrap;
  font-size: 14px;
}
.brand-sub{color:var(--muted); font-weight:600}

.nav{
  display:flex;
  align-items:center;
  gap:18px;
  color: var(--muted);
  font-weight:600;
}
.nav a{padding:8px 10px; border-radius:12px}
.nav a:hover{background: rgba(255,255,255,.06); color: var(--text)}

.header-cta{display:none}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid var(--line);
  font-weight:700;
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  user-select:none;
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0)}
.btn-primary{
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: rgba(34,197,94,.45);
  color:#062412;
}
.btn-ghost{
  background: rgba(255,255,255,.06);
}
.btn-sm{padding:10px 12px; border-radius:12px; font-size:14px}
.btn-block{width:100%}

.hero{
  position:relative;
  min-height: 78vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom: 1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image: var(--hero-image, url("./assets/hero-zhangjiajie.jpg"));
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 520px at 30% 28%, rgba(11,18,32,.05), rgba(11,18,32,.72) 62%),
    linear-gradient(to bottom, rgba(11,18,32,.2), rgba(11,18,32,.92));
}
.hero-content{
  position:relative;
  padding: 56px 0 44px;
}
.hero-kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  padding:8px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.86);
  font-weight:700;
}
.hero-title{
  margin: 16px 0 8px;
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.12;
  letter-spacing: -.5px;
}
.hero-subtitle{
  margin: 0 0 18px;
  max-width: 58ch;
  color: rgba(255,255,255,.82);
  font-size: 16px;
}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin: 16px 0 24px}
.hero-actions{justify-content:center}
.hero-badges{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 920px;
}
.badge{
  border-radius: var(--radius);
  padding: 14px 14px 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
}
.badge-title{font-weight:800; margin-bottom: 4px}
.badge-desc{color: var(--muted); font-weight:600; font-size: 13px}

.section{padding: 64px 0}
.section-alt{
  background: linear-gradient(to bottom, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 8px;
  margin-bottom: 22px;
}
.section-head h2{
  margin:0;
  font-size: 28px;
  letter-spacing: -.2px;
}
.section-head p{
  margin:0;
  color: var(--muted);
  max-width: 56ch;
  font-weight:600;
}

.grid{display:grid; gap:16px}
.cards{grid-template-columns: repeat(2, minmax(0, 1fr))}
.features{grid-template-columns: repeat(4, minmax(0, 1fr))}

.card{
  border-radius: var(--radius);
  overflow:hidden;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  display:flex;
  flex-direction:column;
  min-height: 100%;
}
.card-media{
  aspect-ratio: 4 / 3;
  overflow:hidden;
}
.card-media--cover{aspect-ratio: 16 / 10}
.card-media img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
  transform: scale(1.02);
}
.card-body{padding: 16px 16px 14px}
.card-body h3{margin: 2px 0 10px; font-size: 18px}
.list{margin: 0 0 14px; padding-left: 18px; color: rgba(255,255,255,.82); font-weight:600}
.list li{margin: 6px 0}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  margin-top: auto;
  flex-wrap:wrap;
}
.price{
  font-weight: 900;
  letter-spacing: .2px;
}
.price::before{content:""; display:inline-block; width:8px; height:8px; border-radius:99px; background: var(--primary); margin-right:10px}

.feature{
  padding: 16px 16px 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.feature h3{margin: 2px 0 8px; font-size: 17px}
.feature p{margin:0; color: var(--muted); font-weight:600}

.itinerary{display:grid; gap: 12px; max-width: 820px; margin: 0 auto}
.day{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 14px 14px 12px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  justify-items:center;
  text-align:center;
}
.day-tag{
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(34,197,94,.16);
  border: 1px solid rgba(34,197,94,.24);
  font-weight: 900;
}
.day-body h3{margin: 2px 0 4px; font-size: 17px}
.day-body p{margin:0; color: var(--muted); font-weight:600}

.gallery{
  margin-top: 8px;
}
.gallery-grid{
  display:flex;
  flex-direction:column;
  gap: 12px;
}
.gallery-hero{
  display:flex;
  justify-content:center;
}
.gallery-row{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.gallery-item{
  border-radius: var(--radius);
  overflow:hidden;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
}
.gallery-item--hero{
  width: min(860px, 100%);
}
.gallery-item img{
  width:100%;
  height: 220px;
  object-fit: cover;
  display:block;
}
.gallery-item--hero img{
  height: 360px;
}
.gallery-item figcaption{
  padding: 10px 12px 12px;
  color: rgba(255,255,255,.82);
  font-weight: 800;
  font-size: 13px;
}

.cta{
  border-top: 1px solid var(--line);
  background:
    radial-gradient(900px 520px at 10% 10%, rgba(34,197,94,.16), transparent 55%),
    radial-gradient(900px 520px at 90% 10%, rgba(59,130,246,.14), transparent 55%);
}
.cta-inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items:start;
}
.cta-inner--single{
  grid-template-columns: 1fr;
  justify-items: center;
}
.cta-inner--single .cta-copy{
  max-width: 860px;
  margin: 0 auto;
}
.cta-copy h2{margin:0 0 10px; font-size: 28px}
.cta-copy p{margin:0 0 14px; color: rgba(255,255,255,.82); font-weight:600; max-width: 60ch}
.contact-badges{display:flex; gap:12px; flex-wrap:wrap; color: rgba(255,255,255,.86); font-weight:700; margin-bottom: 14px}
.contact-badges{justify-content:center}
.contact-info{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.contact-item--full{
  grid-column: 1 / -1;
}

.contact-methods{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.method-card{
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  padding: 12px;
}
.qr-box{
  border-radius: 16px;
  background: rgba(255,255,255,.06);
  border: 1px dashed rgba(255,255,255,.22);
  padding: 12px;
  aspect-ratio: 1 / 1;
  width: 100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 8px;
}

.qr-img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.qr-title{
  font-weight: 900;
  color: rgba(255,255,255,.86);
}
.qr-hint{
  font-weight: 700;
  color: rgba(255,255,255,.62);
  font-size: 12px;
}
.contact-item{
  padding: 12px 12px 10px;
  border-radius: 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}
.contact-label{color: var(--muted); font-weight:700; font-size: 13px}
.contact-value{font-weight:900; letter-spacing:.2px}

.form{
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  padding: 16px;
  box-shadow: var(--shadow);
}
.field{display:flex; flex-direction:column; gap:8px; margin-bottom: 12px}
.field span{font-weight:800; color: rgba(255,255,255,.86); font-size: 13px}
input, select, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(11,18,32,.55);
  color: var(--text);
  outline:none;
  text-align:center;
}
textarea{resize: vertical}
input:focus, select:focus, textarea:focus{
  border-color: rgba(34,197,94,.55);
  box-shadow: 0 0 0 4px rgba(34,197,94,.14);
}
.form-hint{margin: 10px 0 0; color: rgba(255,255,255,.62); font-weight:600; font-size: 12px}

.footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  color: rgba(255,255,255,.74);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 16px;
  flex-direction:column;
}
.footer-brand{font-weight:900; color: rgba(255,255,255,.86)}
.footer-note{font-weight:600}
.footer-right{display:flex; align-items:center; gap: 10px; font-weight:700}
.sep{opacity:.65}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom: 12px;
  color: rgba(255,255,255,.84);
  font-weight: 800;
  justify-content:center;
}
.breadcrumb a{
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}
.breadcrumb span{color: rgba(255,255,255,.70); font-weight:700}

@media (max-width: 980px){
  .nav{display:none}
  .header-cta{display:inline-flex}
  .hero-badges{grid-template-columns: 1fr}
  .cards{grid-template-columns: 1fr}
  .features{grid-template-columns: 1fr 1fr}
  .cta-inner{grid-template-columns: 1fr}
  .contact-info{grid-template-columns: 1fr}
  .contact-methods{grid-template-columns: 1fr}
  .gallery-row{grid-template-columns: 1fr}
  .gallery-item img{height: 220px}
  .gallery-item--hero img{height: 240px}
}

@media (max-width: 560px){
  .container{width:min(var(--container), calc(100% - 28px))}
  .section{padding: 54px 0}
  .hero-content{padding: 48px 0 38px}
  .day{grid-template-columns: 1fr}
}