/* === 张家界票网 全局样式 === */
:root {
  --primary: #1a6b3c;
  --primary-light: #28a745;
  --accent: #e8932e;
  --accent-light: #f5a623;
  --bg: #f7f7f2;
  --white: #ffffff;
  --dark: #1a1a2e;
  --gray: #6b7280;
  --gray-light: #e5e7eb;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-hover: 0 8px 40px rgba(0,0,0,.14);
  --radius: 16px;
  --radius-sm: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* === 导航栏 === */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: 0 24px;
}
.navbar .inner { display: flex; align-items: center; justify-content: space-between; height: 68px; max-width: 1240px; margin: 0 auto; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 700; color: var(--primary); }
.nav-logo svg { width: 38px; height: 38px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: .95rem; font-weight: 500; color: #374151; transition: var(--transition); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--primary); border-radius: 2px; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-phone { font-size: .9rem; color: var(--gray); white-space: nowrap; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 22px; border-radius: 50px; font-weight: 600; font-size: .92rem; transition: var(--transition); cursor: pointer; border: none; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #155a30; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,107,60,.35); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #d17e1a; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(232,147,46,.35); }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }

/* === Hero Banner === */
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #0f2027 0%, #203a43 40%, #2c5364 100%); color: #fff; padding: 100px 0 80px; }
.hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 600'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0%25' y1='0%25' x2='100%25' y2='100%25'%3E%3Cstop offset='0%25' style='stop-color:%231a6b3c;stop-opacity:0.3'/%3E%3Cstop offset='100%25' style='stop-color:%232c5364;stop-opacity:0.15'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect fill='url(%23g)' width='1200' height='600'/%3E%3Cpath d='M0 500 Q200 420 400 460 Q600 500 800 440 Q1000 380 1200 430 L1200 600 L0 600Z' fill='rgba(255,255,255,0.04)'/%3E%3Ccircle cx='150' cy='180' r='80' fill='rgba(255,255,255,0.03)'/%3E%3Ccircle cx='1050' cy='120' r='120' fill='rgba(255,255,255,0.03)'/%3E%3C/svg%3E") center/cover no-repeat; opacity: .6; }
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.3; margin-bottom: 16px; letter-spacing: -.02em; }
.hero .subtitle { font-size: 1.25rem; opacity: .85; margin-bottom: 36px; max-width: 600px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* === 搜索区 === */
.search-section { margin-top: -44px; position: relative; z-index: 10; }
.search-card { background: #fff; border-radius: var(--radius); padding: 28px 32px; box-shadow: var(--shadow-hover); }
.search-card h3 { font-size: 1.15rem; margin-bottom: 16px; color: var(--dark); }
.search-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.search-row input, .search-row select { padding: 12px 18px; border: 2px solid var(--gray-light); border-radius: 50px; font-size: .95rem; font-family: var(--font); outline: none; transition: var(--transition); min-width: 160px; }
.search-row input:focus, .search-row select:focus { border-color: var(--primary-light); }
.search-row input { flex: 1; min-width: 240px; }
.search-tags { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.tag { padding: 6px 16px; background: #f0fdf4; color: var(--primary); border-radius: 50px; font-size: .85rem; font-weight: 500; cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; }
.tag:hover { background: var(--primary); color: #fff; }

/* === 区块标题 === */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 2.2rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.section-header p { font-size: 1.1rem; color: var(--gray); max-width: 600px; margin: 0 auto; }

/* === 卡片网格 === */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-img { height: 200px; position: relative; overflow: hidden; }
.card-img svg { width: 100%; height: 100%; }
.card-tag { position: absolute; top: 14px; left: 14px; background: var(--accent); color: #fff; padding: 4px 12px; border-radius: 50px; font-size: .78rem; font-weight: 600; }
.card-body { padding: 20px 22px 24px; }
.card-body h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.card-body .desc { font-size: .9rem; color: var(--gray); margin-bottom: 16px; line-height: 1.6; }
.card-body .price { font-size: 1.4rem; font-weight: 700; color: var(--accent); margin-bottom: 16px; }
.card-body .price span { font-size: .85rem; font-weight: 400; color: var(--gray); }

/* === 信任区 === */
.trust-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.trust-item { text-align: center; padding: 32px 24px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); transition: var(--transition); }
.trust-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.trust-icon { width: 56px; height: 56px; margin: 0 auto 16px; background: #f0fdf4; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.trust-item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.trust-item p { font-size: .88rem; color: var(--gray); line-height: 1.6; }

/* === 攻略区 === */
.guide-section { background: linear-gradient(180deg, #f0f9f4 0%, #f7f7f2 100%); }

/* === 页脚 === */
.footer { background: #111827; color: #d1d5db; padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.footer h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.footer p, .footer a { font-size: .88rem; line-height: 2; }
.footer a:hover { color: var(--accent-light); }
.footer-brand h3 { font-size: 1.3rem; color: #fff; margin-bottom: 8px; }
.footer-brand p { margin-bottom: 4px; }
.footer-links { list-style: none; }
.footer-friends { margin-top: 36px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-friends h4 { color: #fff; font-size: .95rem; font-weight: 600; margin-bottom: 14px; }
.friends-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.friends-cloud a { display: inline-block; padding: 5px 14px; font-size: .8rem; color: #9ca3af; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 50px; transition: var(--transition); line-height: 1.5; white-space: nowrap; }
.friends-cloud a:hover { color: #fff; background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.25); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 28px; padding-top: 20px; text-align: center; font-size: .8rem; color: #6b7280; }

/* === 页面Banner === */
.page-hero { background: linear-gradient(135deg, #0f2027 0%, #203a43 40%, #2c5364 100%); color: #fff; padding: 80px 0 60px; text-align: center; }
.page-hero h1 { font-size: 2.6rem; font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 1.15rem; opacity: .85; max-width: 700px; margin: 0 auto; }
.breadcrumb { font-size: .85rem; opacity: .7; margin-bottom: 20px; }
.breadcrumb a { color: var(--accent-light); padding: 4px 0; display: inline-block; }

/* === 产品详情页 === */
.product-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 60px 0; }
.product-hero-img svg { width: 100%; height: auto; border-radius: var(--radius); }
.product-hero-text h2 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
.product-hero-text .tagline { font-size: 1.1rem; color: var(--gray); margin-bottom: 24px; }
.ticket-card { background: #fff; border-radius: var(--radius); padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.ticket-card h4 { font-size: 1.05rem; font-weight: 700; }
.ticket-card .includes { font-size: .85rem; color: var(--gray); }
.ticket-card .t-price { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.local-tips { background: #fef9f0; border-left: 4px solid var(--accent); padding: 24px 28px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 40px 0; }
.local-tips h3 { color: var(--accent); margin-bottom: 12px; font-size: 1.1rem; }
.local-tips .tip { margin-bottom: 16px; }
.local-tips .tip strong { display: block; font-size: .95rem; margin-bottom: 4px; }
.local-tips .tip p { font-size: .9rem; color: var(--gray); }

.qa-item { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-light); }
.qa-item .q { font-weight: 700; font-size: 1rem; margin-bottom: 6px; color: var(--dark); }
.qa-item .a { font-size: .92rem; color: var(--gray); }

/* === 关于我们 === */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 48px 0; }
.stat-item { text-align: center; padding: 28px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.stat-item .num { font-size: 2.6rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-item .label { font-size: .9rem; color: var(--gray); margin-top: 6px; }

/* === 联系我们 === */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-card { background: #fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.contact-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.contact-card .val { font-size: 1.1rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.contact-card .note { font-size: .88rem; color: var(--gray); line-height: 1.6; }
.faq-link { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; background: #f0fdf4; border-radius: 50px; font-size: .88rem; color: var(--primary); margin: 4px; transition: var(--transition); }
.faq-link:hover { background: var(--primary); color: #fff; }

/* === 攻略文章页 === */
.article { max-width: 800px; margin: 0 auto; padding: 60px 24px; }
.article h1,.article .article-h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; line-height: 1.4; }
.article .meta { font-size: .9rem; color: var(--gray); margin-bottom: 32px; }
.article h2 { font-size: 1.5rem; font-weight: 700; margin: 40px 0 16px; color: var(--primary); }
.article p { margin-bottom: 16px; font-size: 1.02rem; line-height: 1.85; }
.article ul, .article ol { margin: 12px 0 20px 24px; }
.article li { margin-bottom: 8px; font-size: .98rem; line-height: 1.7; }

/* === Hamburger 菜单按钮 === */
.nav-toggle { display: none; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; background: #f3f4f6; border: 1px solid #e5e7eb; border-radius: 8px; cursor: pointer; padding: 0; z-index: 1001; transition: background .2s; }
.nav-toggle:hover { background: #e5e7eb; }
.nav-toggle span { display: block; width: 20px; height: 2.5px; background: #374151; border-radius: 2px; transition: all .3s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* === 响应式 === */
@media (max-width: 900px) {
  .logo-domain { display: none; }
  .nav-toggle { display: flex; }
  .nav-links { display: none; }
  .nav-links a.active::after { display: none; }
  .navbar .inner { position: relative; }
  .hero h1 { font-size: 2rem; }
  .product-hero { grid-template-columns: 1fr; gap: 24px; }
  .product-hero-img svg { max-height: 220px; }
  .product-hero-text h2 { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .friends-cloud { gap: 6px; }
  .friends-cloud a { padding: 6px 12px; font-size: .82rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .card-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.6rem; }
  .page-hero h1 { font-size: 1.8rem; }
  .page-hero { padding: 60px 0 40px; }
  .page-hero p { font-size: 1rem; }
  .article { padding: 40px 20px; }
  .article h1, .article .article-h1 { font-size: 1.5rem; }
  .article h2 { font-size: 1.25rem; margin: 28px 0 12px; }
  .article p { font-size: .95rem; }
  .ticket-card { padding: 20px; }
  .ticket-card h4 { font-size: 1rem; }
  .ticket-card .t-price { font-size: 1.2rem; }
  .trust-grid { grid-template-columns: 1fr; gap: 16px; }
  .contact-card { padding: 24px; }
  .search-card { padding: 22px 20px; }
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  /* 移动端触摸优化 */
  .nav-phone { font-size: .9rem; padding: 8px 0; }
  .nav-toggle { width: 44px; height: 44px; }
  .nav-toggle span { width: 20px; height: 2.5px; }
  .tag { padding: 8px 16px; font-size: .88rem; min-height: 44px; display: inline-flex; align-items: center; }
  .faq-link { padding: 10px 18px; font-size: .9rem; min-height: 44px; display: inline-flex; align-items: center; }
  .btn { min-height: 44px; display: inline-flex; align-items: center; }
  /* footer 链接触摸优化 */
  .footer a { padding: 6px 0; display: inline-block; }
  .friends-cloud a { padding: 6px 14px; }
  .footer h4 { font-size: 1.05rem; }
  .footer p, .footer a { font-size: .92rem; }
}

@media (max-width: 600px) {
  .hero { padding: 50px 0 40px; }
  .hero h1 { font-size: 1.5rem; }
  .hero .subtitle { font-size: .95rem; }
  .search-row { flex-direction: column; }
  .search-row input, .search-row select { min-width: 0; width: 100%; height: 48px; font-size: 1rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-item { padding: 20px 12px; }
  .stat-item .num { font-size: 2rem; }
  .section { padding: 44px 0; }
  .section-header h2 { font-size: 1.35rem; }
  .section-header p { font-size: .92rem; }
  .page-hero h1 { font-size: 1.5rem; }
  .page-hero { padding: 50px 0 36px; }
  .page-hero p { font-size: .92rem; }
  .product-hero { padding: 32px 0; }
  .product-hero-text h2 { font-size: 1.35rem; }
  .product-hero-text .tagline { font-size: .95rem; }
  .ticket-card { flex-direction: column; align-items: flex-start; }
  .article { padding: 32px 16px; }
  .article h1, .article .article-h1 { font-size: 1.35rem; }
  .article h2 { font-size: 1.15rem; }
  .card-body { padding: 16px 18px 20px; }
  .footer { padding: 40px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .btn-lg { padding: 12px 24px; font-size: .95rem; }
  .nav-phone { font-size: .9rem; display: inline-flex; align-items: center; min-height: 44px; }
  .nav-logo { font-size: 1.05rem; display: inline-flex; align-items: center; }
  .nav-logo svg { width: 32px; height: 32px; }
  .navbar .inner { height: 58px; }
  /* 小屏触摸优化 */
  .btn { padding: 12px 22px; font-size: .92rem; min-height: 44px; display: inline-flex; align-items: center; }
  .search-card { padding: 20px 16px; }
  .search-card h3 { font-size: 1.05rem; }
  .tag { padding: 10px 16px; font-size: .9rem; min-height: 44px; display: inline-flex; align-items: center; }
  .card-body { padding: 18px 16px 22px; }
  .card-body h3 { font-size: 1.1rem; }
  .card-body .desc { font-size: .92rem; }
  .ticket-card { padding: 18px 16px; }
  .ticket-card h4 { font-size: 1rem; }
  .ticket-card .btn { padding: 10px 20px; font-size: .9rem; }
  .breadcrumb { font-size: .88rem; }
  .faq-link { padding: 10px 16px; font-size: .9rem; margin: 3px; min-height: 44px; display: inline-flex; align-items: center; }
  .local-tips { padding: 18px 20px; }
  .local-tips .tip p { font-size: .92rem; }
  .qa-item .a { font-size: .92rem; }
  /* 搜索框按钮优化 */
  .search-row .btn { width: 100%; justify-content: center; }
}