/* ============================================================
   Travel · Luminesca
   清爽旅行风格：天空蓝 + 沙金 + 品牌蓝锚色
   ============================================================ */
:root {
  --sky: #4aa8d8;
  --sky-deep: #185fa5;       /* 品牌锚色 */
  --sky-soft: #d6ecf6;
  --sand: #f5e6c8;
  --sand-deep: #d4a96a;
  --sun: #f0a500;
  --teal: #1ba89a;
  --coral: #e76f51;
  --ink: #1f2a37;
  --ink-soft: #4a5868;
  --ink-faint: #8995a3;
  --bg: #f6fafc;
  --bg-warm: #fcf8f1;
  --card: #ffffff;
  --line: #e1ecf2;
  --radius: 14px;
  --shadow: 0 4px 18px rgba(24, 95, 165, .10);
  --shadow-lg: 0 10px 30px rgba(24, 95, 165, .14);
  --font-title: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.72;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--sky-deep); text-decoration: none; transition: color .18s; }
a:hover { color: var(--teal); text-decoration: underline; }
em { font-style: normal; color: var(--sun); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: linear-gradient(95deg, var(--sky-deep) 0%, #1c4f87 60%, #143f6e 100%);
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
  color: #fff;
}
.nav-inner {
  display: flex; align-items: center; gap: 16px;
  max-width: 1240px; margin: 0 auto; padding: 0 20px; height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; font-size: 1.18rem; white-space: nowrap;
  letter-spacing: -.3px;
}
.brand .ball {
  width: 28px; height: 28px; border-radius: 50%;
  background: conic-gradient(from 200deg, #fff 0deg, #fff8e1 90deg, var(--sun) 180deg, var(--coral) 270deg, #fff 360deg);
  box-shadow: 0 0 12px rgba(255,255,255,.4);
  flex-shrink: 0;
}
.brand em { color: #ffd98a; }
.nav-toggle {
  display: none; background: none; border: 1px solid rgba(255,255,255,.5);
  color: #fff; border-radius: 8px; padding: 5px 11px; font-size: 1.1rem; cursor: pointer;
}
.nav-links { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; align-items: center; }
.nav-links > a {
  color: rgba(255,255,255,.88); padding: 6px 11px; border-radius: 8px;
  font-size: .84rem; font-weight: 500; transition: all .2s; white-space: nowrap;
}
.nav-links > a:hover { background: rgba(255,255,255,.13); text-decoration: none; color: #fff; }
.nav-links > a.active { background: rgba(255,255,255,.22); color: #fff; }
.hub-btn {
  color: #ffd98a !important; border: 1px solid #ffd98a; background: rgba(255,217,138,.1);
  padding: 5px 12px; border-radius: 16px; font-weight: 600; font-size: .78rem;
  margin-right: 4px;
}
.hub-btn:hover { background: #ffd98a; color: #143f6e !important; }

/* ---------- Dropdown (Destinations / Practical) ---------- */
.nav-dropdown { position: relative; }
.nav-dropdown > .nav-trigger {
  color: rgba(255,255,255,.88); padding: 6px 11px; border-radius: 8px;
  font-size: .84rem; font-weight: 500; cursor: pointer; user-select: none;
  display: inline-flex; align-items: center; gap: 5px; transition: all .2s; white-space: nowrap;
}
.nav-dropdown > .nav-trigger::after {
  content: "▾"; font-size: .68rem; opacity: .7; transition: transform .2s;
}
.nav-dropdown > .nav-trigger:hover,
.nav-dropdown.open > .nav-trigger {
  background: rgba(255,255,255,.13); color: #fff;
}
.nav-dropdown > .nav-trigger:hover::after,
.nav-dropdown.open > .nav-trigger::after { transform: rotate(180deg); }
.nav-dropdown .dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  background: linear-gradient(160deg, #1c4f87 0%, #143f6e 100%);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 10px; min-width: 180px;
  padding: 8px 0; margin: 0; list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s, transform .18s, visibility .18s;
  box-shadow: 0 10px 28px rgba(0,0,0,.28); z-index: 110;
}
.nav-dropdown:hover > .dropdown-menu,
.nav-dropdown.open > .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-dropdown .dropdown-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px; color: rgba(255,255,255,.88);
  font-size: .84rem; font-weight: 500; white-space: nowrap;
  border-radius: 0; transition: background .15s;
}
.nav-dropdown .dropdown-menu a::before {
  content: "→"; color: var(--sun); font-weight: 700; opacity: .8;
}
.nav-dropdown .dropdown-menu a:hover { background: rgba(255,255,138,.12); color: #fff; text-decoration: none; }
.nav-dropdown .dropdown-menu a.active { color: #ffd98a; background: rgba(255,217,138,.1); }

/* 移动端：dropdown 改为点击展开（js 控制 .open class） */
@media (max-width: 860px) {
  .nav-links { gap: 0; }
  .nav-dropdown .dropdown-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    background: rgba(0,0,0,.18); border: none; box-shadow: none; border-radius: 0;
    display: none; min-width: 0; padding: 0;
  }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .nav-dropdown .dropdown-menu a { padding: 6px 14px 6px 28px; font-size: .82rem; }
  .nav-dropdown > .nav-trigger::after { margin-left: auto; }
}

/* ---------- 容器 ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.breadcrumb { font-size: .8rem; color: var(--ink-faint); padding: 16px 0 0; }
.breadcrumb a { color: var(--sky-deep); }
.breadcrumb .sep { margin: 0 6px; color: var(--ink-faint); }

/* ---------- Hero ---------- */
.hero {
  text-align: center; padding: 64px 24px 52px; position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(255,217,138,.30) 0%, transparent 40%),
    radial-gradient(circle at 82% 80%, rgba(27,168,154,.18) 0%, transparent 45%),
    linear-gradient(160deg, #e9f5fb 0%, #fcf8f1 55%, #fff5e1 100%);
  border-radius: 0 0 28px 28px;
}
.hero h1 {
  font-size: 2.8rem; font-weight: 800;
  color: var(--ink); letter-spacing: -.8px; line-height: 1.15;
}
.hero h1 span {
  background: linear-gradient(90deg, var(--sky-deep) 0%, var(--teal) 60%, var(--sun) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .sub { color: var(--ink-soft); margin-top: 12px; font-size: 1.08rem; max-width: 720px; margin-left: auto; margin-right: auto; }
.hero .meta { margin-top: 18px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.badge {
  display: inline-block; background: #fff; border: 1px solid var(--line);
  border-radius: 20px; padding: 5px 15px; font-size: .8rem; color: var(--ink-soft); font-weight: 500;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.badge.hot { background: #fff3e0; border-color: #ffe0b2; color: #c87400; }
.badge.tip { background: #e6f7f4; border-color: #b6e6df; color: var(--teal); }
.badge.eco { background: #e7f0fa; border-color: #c4dcf0; color: var(--sky-deep); }

/* ---------- 章节标题 ---------- */
.section-title {
  font-size: 1.45rem; font-weight: 700; color: var(--ink);
  margin: 40px 0 6px; letter-spacing: -.3px;
  display: flex; align-items: center; gap: 10px;
}
.section-title .t-icon { font-size: 1.4rem; }
.section-sub { color: var(--ink-soft); font-size: .92rem; margin-bottom: 18px; max-width: 720px; }

/* ---------- 卡片网格 ---------- */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px; margin: 22px 0 30px;
}
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: all .25s; box-shadow: 0 2px 8px rgba(0,0,0,.04);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: #c4dcf0; }
.card .c-img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover; background: #e9eef3;
  transition: transform .4s ease;
}
.card:hover .c-img { transform: scale(1.04); }
.card .c-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.card .c-region {
  font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  color: var(--teal); margin-bottom: 6px;
}
.card .c-title { font-size: 1.08rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; line-height: 1.35; }
.card .c-desc { font-size: .88rem; color: var(--ink-soft); line-height: 1.55; flex: 1; }
.card .c-meta {
  margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line);
  display: flex; gap: 8px; flex-wrap: wrap; font-size: .74rem; color: var(--ink-faint);
}
.card .c-tag {
  background: var(--sky-soft); color: var(--sky-deep);
  border-radius: 10px; padding: 2px 8px; font-weight: 500;
}
.card .c-tag.alt { background: #fcf0db; color: #a37100; }
.card .c-tag.alt2 { background: #e6f7f4; color: var(--teal); }

/* ---------- 内容面板（提示/警示/数据） ---------- */
.panel {
  border-radius: var(--radius); padding: 22px 26px; margin: 26px 0;
  border: 1px solid var(--line);
}
.panel.blue { background: #eaf3fa; border-color: #c4dcf0; }
.panel.sand { background: #fcf6e9; border-color: #f0e0bd; }
.panel.teal { background: #e9f6f4; border-color: #b6e6df; }
.panel.coral { background: #fcebe6; border-color: #f4c8b9; }
.panel .p-title {
  font-weight: 700; color: var(--ink); margin-bottom: 8px; font-size: 1.02rem;
  display: flex; align-items: center; gap: 8px;
}
.panel p, .panel li { font-size: .94rem; color: var(--ink-soft); line-height: 1.7; }
.panel ul { padding-left: 20px; }
.panel li { margin-bottom: 4px; }

/* ---------- 子页 Hero（带图片） ---------- */
.page-hero {
  position: relative; min-height: 320px; display: flex; align-items: flex-end;
  background-size: cover; background-position: center; color: #fff;
  border-radius: 0 0 24px 24px; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.05) 0%, rgba(0,0,0,.65) 100%);
}
.page-hero .ph-inner {
  position: relative; z-index: 1; padding: 60px 24px 40px; max-width: 880px; margin: 0 auto; width: 100%;
}
.page-hero .ph-region {
  display: inline-block; background: rgba(255,217,138,.95); color: #143f6e;
  font-size: .72rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 12px; border-radius: 20px; margin-bottom: 12px;
}
.page-hero h1 {
  font-size: 2.4rem; font-weight: 800; line-height: 1.18;
  text-shadow: 0 2px 12px rgba(0,0,0,.4); margin-bottom: 10px;
}
.page-hero .ph-sub { font-size: 1.02rem; color: rgba(255,255,255,.92); max-width: 720px; text-shadow: 0 1px 6px rgba(0,0,0,.5); }
.page-hero .ph-meta { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.page-hero .ph-meta .badge { background: rgba(255,255,255,.92); }

/* ---------- 文章正文 ---------- */
.article {
  max-width: 760px; margin: 30px auto; padding: 0 4px;
}
.article h2 {
  font-size: 1.42rem; font-weight: 700; color: var(--ink);
  margin: 36px 0 12px; padding-top: 8px; letter-spacing: -.3px;
  display: flex; align-items: center; gap: 10px;
  border-top: 1px solid var(--line); padding-top: 22px;
}
.article h2:first-of-type { border-top: none; padding-top: 0; }
.article h2 .h-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--sky-deep); color: #fff; font-size: .82rem; font-weight: 700;
  flex-shrink: 0;
}
.article h3 { font-size: 1.1rem; font-weight: 700; color: var(--ink); margin: 20px 0 8px; }
.article p { margin-bottom: 14px; color: var(--ink); line-height: 1.78; }
.article ul, .article ol { margin: 10px 0 18px 22px; }
.article li { margin-bottom: 6px; line-height: 1.7; color: var(--ink); }
.article strong { color: var(--ink); font-weight: 700; }
.article blockquote {
  background: var(--bg-warm); border-left: 4px solid var(--sun);
  padding: 14px 18px; margin: 18px 0; border-radius: 0 8px 8px 0;
  color: var(--ink-soft); font-style: italic;
}

/* ---------- 信息表 ---------- */
.info-table {
  width: 100%; border-collapse: collapse; margin: 20px 0 26px;
  font-size: .9rem; background: var(--card); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.04);
  border: 1px solid var(--line);
}
.info-table th, .info-table td {
  text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--line);
}
.info-table th {
  background: #f1f7fb; color: var(--sky-deep); font-weight: 700;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .5px;
}
.info-table tr:last-child td { border-bottom: none; }
.info-table td:first-child { font-weight: 600; color: var(--ink); width: 32%; }
.info-table tr:hover td { background: #fafcfd; }

/* ---------- 相关链接卡 ---------- */
.related {
  background: var(--bg-warm); border: 1px solid #f0e0bd;
  border-radius: var(--radius); padding: 22px 26px; margin: 40px 0 20px;
}
.related h3 {
  font-size: 1.02rem; font-weight: 700; color: #a37100; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.related-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.related-list a {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; font-size: .88rem; font-weight: 500; color: var(--sky-deep);
  display: flex; align-items: center; gap: 8px;
  transition: all .2s;
}
.related-list a:hover { border-color: var(--sky); background: var(--sky-soft); text-decoration: none; }
.related-list a::before { content: "→"; color: var(--teal); font-weight: 700; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #143f6e; color: rgba(255,255,255,.85); margin-top: 60px;
  padding: 40px 0 24px;
}
.site-footer .container { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.site-footer .f-title { color: #fff; font-weight: 700; margin-bottom: 12px; font-size: .95rem; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 6px; font-size: .85rem; }
.site-footer a { color: rgba(255,255,255,.7) !important; }
.site-footer a:hover { color: #ffd98a !important; text-decoration: none; }
.site-footer .brand-line { font-size: .8rem; color: rgba(255,255,255,.6); line-height: 1.6; margin-top: 10px; }
.site-footer .copyright {
  border-top: 1px solid rgba(255,255,255,.15);
  margin-top: 26px; padding-top: 16px;
  font-size: .76rem; color: rgba(255,255,255,.55);
  grid-column: 1 / -1; text-align: center;
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: #143f6e; padding: 12px 16px; box-shadow: 0 8px 20px rgba(0,0,0,.2); }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 10px 12px; }
  .hero h1 { font-size: 2rem; }
  .page-hero h1 { font-size: 1.7rem; }
  .page-hero { min-height: 260px; }
  .site-footer .container { grid-template-columns: 1fr; }
  .info-table td:first-child { width: auto; }
  .article h2 { font-size: 1.22rem; }
}