/* ============================================
   style.css - 温州导游 雯婷
   "晨雾"轻暖风格 · 本地化零CDN
   ============================================ */

/* --- CSS Variables --- */
:root {
  --mist-rose:    #c49b95;
  --mist-rose-dark:#a97f78;
  --mist-green:   #7a9a7e;
  --tea-gold:     #b8945a;
  --rice-paper:   #fdfaf5;
  --warm-white:   #fefefb;
  --text-warm:    #4a3f3a;
  --text-soft:    #8a7f7a;
  --shadow-sm:    0 2px 8px rgba(74,63,58,0.06);
  --shadow-md:    0 4px 20px rgba(74,63,58,0.10);
  --shadow-lg:    0 8px 40px rgba(74,63,58,0.12);
  --radius-sm:    8px;
  --radius-md:    16px;
  --radius-lg:    24px;
  --max-width:    1200px;
  --header-h:     72px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--rice-paper);
  color: var(--text-warm);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif SC', 'STSong', 'SimSun', serif;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-warm);
}

a { color: var(--mist-rose); text-decoration: none; transition: color .3s; }
a:hover { color: var(--tea-gold); }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.section { padding: 80px 0; }

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.section-sub {
  text-align: center;
  color: var(--text-soft);
  margin-bottom: 48px;
  font-size: .98rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .3s;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--mist-rose), var(--mist-rose-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(196,155,149,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(196,155,149,0.5); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--mist-rose);
  border: 2px solid var(--mist-rose);
}
.btn-outline:hover { background: var(--mist-rose); color: #fff; }

.btn-green {
  background: linear-gradient(135deg, var(--mist-green), #5f7f64);
  color: #fff;
  box-shadow: 0 4px 14px rgba(122,154,126,0.35);
}
.btn-green:hover { transform: translateY(-2px); color: #fff; }

.btn-gold {
  background: linear-gradient(135deg, var(--tea-gold), #a37e44);
  color: #fff;
}
.btn-gold:hover { transform: translateY(-2px); color: #fff; }

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253,250,245,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(196,155,149,0.15);
  height: var(--header-h);
}

.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: 10px; font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 1.25rem; color: var(--text-warm); }
.brand i { color: var(--mist-rose); font-size: 1.4rem; }
.brand small { display: block; font-family: 'Noto Sans SC', sans-serif; font-size: .68rem; font-weight: 400; color: var(--text-soft); letter-spacing: 1px; }

.nav-list { display: flex; list-style: none; gap: 4px; }
.nav-list a {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: .92rem;
  color: var(--text-warm);
}
.nav-list a:hover { color: var(--mist-rose); background: rgba(196,155,149,0.08); }
.nav-list a.active { color: #fff; background: var(--mist-rose); }

.nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--text-warm); cursor: pointer; }

/* --- Hero --- */
.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(196,155,149,0.16), transparent 45%),
    radial-gradient(ellipse at 85% 80%, rgba(122,154,126,0.14), transparent 45%),
    var(--rice-paper);
}

.hero-wrap { display: grid; grid-template-columns: 420px 1fr; gap: 64px; align-items: center; }

.hero-img { position: relative; }
.hero-img .img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 6px solid var(--warm-white);
  transform: rotate(-1.5deg);
  transition: transform .4s;
}
.hero-img .img-frame:hover { transform: rotate(0deg) scale(1.01); }
.hero-img .img-frame img { width: 100%; height: 440px; object-fit: cover; }
.hero-img::after {
  content: "✦";
  position: absolute;
  top: -24px; right: -12px;
  font-size: 2.2rem;
  color: var(--tea-gold);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(196,155,149,0.12);
  color: var(--mist-rose-dark);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 { font-size: 2.6rem; margin-bottom: 10px; letter-spacing: 2px; }
.hero .slogan { font-size: 1.15rem; color: var(--mist-rose-dark); margin-bottom: 18px; font-family: 'Noto Serif SC', serif; }
.hero .desc { color: var(--text-soft); max-width: 560px; margin-bottom: 28px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.chip {
  background: var(--warm-white);
  border: 1px solid rgba(196,155,149,0.3);
  color: var(--text-warm);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: .85rem;
}
.chip i { color: var(--tea-gold); margin-right: 6px; font-size: .8rem; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* --- Stats (为什么选我) --- */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.stat-card {
  background: var(--warm-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(196,155,149,0.12);
  transition: transform .3s, box-shadow .3s;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card i { font-size: 2rem; color: var(--mist-rose); margin-bottom: 14px; }
.stat-card .num { font-family: 'Noto Serif SC', serif; font-size: 2.2rem; font-weight: 700; color: var(--text-warm); }
.stat-card .num span { font-size: 1rem; color: var(--text-soft); margin-left: 2px; }
.stat-card p { color: var(--text-soft); font-size: .92rem; margin-top: 6px; }

/* --- Cards (博客/路线通用) --- */
.card {
  background: var(--warm-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(196,155,149,0.12);
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.card-img { overflow: hidden; aspect-ratio: 16/10; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card-img img { transform: scale(1.06); }

.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: .8rem; color: var(--text-soft); margin-bottom: 10px; }
.card-meta .cat {
  background: rgba(196,155,149,0.12);
  color: var(--mist-rose-dark);
  padding: 2px 12px;
  border-radius: 999px;
  font-weight: 600;
}
.card h3 { font-size: 1.12rem; margin-bottom: 10px; line-height: 1.5; }
.card h3 a { color: var(--text-warm); }
.card h3 a:hover { color: var(--mist-rose); }
.card p { color: var(--text-soft); font-size: .9rem; flex: 1; }
.card .more { margin-top: 14px; font-size: .88rem; font-weight: 600; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* 路线卡片 */
.route-card .route-img { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.route-card .route-img img { width: 100%; height: 100%; object-fit: cover; }
.route-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(74,63,58,0.75);
  color: #fff;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: .78rem;
  backdrop-filter: blur(4px);
}
.route-price { color: var(--mist-rose-dark); font-weight: 700; font-size: 1.05rem; }
.route-price small { font-weight: 400; color: var(--text-soft); font-size: .8rem; }
.route-highlight {
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(184,148,90,0.08);
  border-left: 3px solid var(--tea-gold);
  border-radius: var(--radius-sm);
  font-size: .85rem;
  color: var(--text-warm);
}
.route-highlight i { color: var(--tea-gold); margin-right: 6px; }

/* --- CTA 区 --- */
.cta-banner {
  background: linear-gradient(135deg, var(--mist-rose), var(--mist-rose-dark));
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before, .cta-banner::after {
  content: "✦";
  position: absolute;
  font-size: 3rem;
  opacity: .2;
}
.cta-banner::before { top: 16px; left: 32px; }
.cta-banner::after { bottom: 16px; right: 32px; }
.cta-banner h2 { color: #fff; font-size: 1.8rem; margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.9); margin-bottom: 28px; }
.cta-banner .btn { background: #fff; color: var(--mist-rose-dark); }
.cta-banner .btn:hover { transform: translateY(-2px); }

/* --- Reviews --- */
.review-card {
  background: var(--warm-white);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(196,155,149,0.12);
  display: flex;
  flex-direction: column;
}
.review-stars { color: var(--tea-gold); font-size: .9rem; margin-bottom: 12px; letter-spacing: 2px; }
.review-card blockquote { color: var(--text-warm); font-size: .92rem; flex: 1; font-style: normal; }
.review-author { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.review-author .avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mist-rose), var(--tea-gold));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.review-author .name { font-weight: 600; font-size: .9rem; }
.review-author .date { font-size: .78rem; color: var(--text-soft); }

.rating-summary { text-align: center; margin-bottom: 48px; }
.rating-summary .big { font-family: 'Noto Serif SC', serif; font-size: 3.4rem; font-weight: 700; color: var(--text-warm); }
.rating-summary .big span { font-size: 1.2rem; color: var(--text-soft); }
.rating-summary .stars { color: var(--tea-gold); font-size: 1.3rem; margin: 8px 0 6px; letter-spacing: 4px; }
.rating-summary p { color: var(--text-soft); font-size: .9rem; }

/* --- Gallery 瀑布流 --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 180px;
  gap: 16px;
}
.gallery-item { position: relative; overflow: hidden; border-radius: var(--radius-md); cursor: pointer; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:nth-child(3n+1) { grid-row: span 2; }
.gallery-item:nth-child(5n+2) { grid-row: span 2; }
.gallery-item .g-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 14px 10px;
  background: linear-gradient(transparent, rgba(74,63,58,0.7));
  color: #fff;
  font-size: .82rem;
  opacity: 0;
  transition: opacity .3s;
}
.gallery-item:hover .g-cap { opacity: 1; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(30,24,22,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 40px;
}
.lightbox.show { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md); }
.lightbox .lb-close {
  position: absolute;
  top: 24px; right: 32px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
}
.lightbox .lb-cap { position: absolute; bottom: 24px; color: rgba(255,255,255,0.85); font-size: .9rem; }

/* --- Blog Detail --- */
.article { max-width: 800px; margin: 0 auto; }
.article-header { text-align: center; margin-bottom: 40px; }
.article-header h1 { font-size: 2rem; margin-bottom: 14px; }
.article-meta { display: flex; justify-content: center; gap: 18px; color: var(--text-soft); font-size: .88rem; flex-wrap: wrap; }
.article-cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 36px; box-shadow: var(--shadow-md); }
.article-body { font-size: 1rem; line-height: 2; }
.article-body h2 { font-size: 1.4rem; margin: 36px 0 16px; padding-left: 14px; border-left: 4px solid var(--mist-rose); }
.article-body h3 { font-size: 1.15rem; margin: 28px 0 12px; }
.article-body p { margin-bottom: 16px; }
.article-body ul { margin: 0 0 16px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--mist-rose-dark); }
.article-body blockquote {
  border-left: 4px solid var(--tea-gold);
  background: rgba(184,148,90,0.08);
  padding: 14px 20px;
  margin: 20px 0;
  border-radius: var(--radius-sm);
  color: var(--text-warm);
}
.article-body a { font-weight: 600; }

/* 作者卡片 */
.author-card {
  display: flex;
  gap: 20px;
  align-items: center;
  background: var(--warm-white);
  border: 1px solid rgba(196,155,149,0.18);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 40px 0;
}
.author-card .avatar { width: 72px; height: 72px; border-radius: 50%; overflow: hidden; flex-shrink: 0; border: 3px solid var(--mist-rose); }
.author-card .avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-card h4 { margin-bottom: 4px; }
.author-card p { font-size: .88rem; color: var(--text-soft); }

/* --- Route Detail --- */
.route-detail-hero { position: relative; height: 380px; border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 40px; }
.route-detail-hero img { width: 100%; height: 100%; object-fit: cover; }
.route-detail-hero .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(transparent 40%, rgba(74,63,58,0.8));
  display: flex; align-items: flex-end;
  padding: 40px;
}
.route-detail-hero h1 { color: #fff; font-size: 1.9rem; }
.route-detail-hero .sub { color: rgba(255,255,255,0.9); font-size: .92rem; margin-top: 6px; }

.route-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
.route-fact {
  background: var(--warm-white);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(196,155,149,0.12);
}
.route-fact i { color: var(--mist-rose); font-size: 1.3rem; margin-bottom: 8px; }
.route-fact .v { font-weight: 700; font-size: 1.05rem; }
.route-fact .l { font-size: .8rem; color: var(--text-soft); }

.route-body { max-width: 800px; margin: 0 auto; }
.route-body h2 { font-size: 1.4rem; margin: 36px 0 16px; padding-left: 14px; border-left: 4px solid var(--mist-rose); }
.route-body h3 { font-size: 1.1rem; margin: 22px 0 10px; color: var(--mist-green); }
.route-body p { margin-bottom: 14px; }
.route-body ul { margin: 0 0 14px 24px; }
.route-body li { margin-bottom: 6px; }
.route-body blockquote {
  border-left: 4px solid var(--tea-gold);
  background: rgba(184,148,90,0.08);
  padding: 14px 20px;
  margin: 20px 0;
  border-radius: var(--radius-sm);
}

/* --- Forms --- */
.form-card {
  background: var(--warm-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(196,155,149,0.12);
  max-width: 640px;
  margin: 0 auto;
}
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 8px; }
.form-group label .req { color: var(--mist-rose); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(196,155,149,0.3);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-family: inherit;
  background: var(--rice-paper);
  color: var(--text-warm);
  transition: border-color .3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--mist-rose);
}
.form-group textarea { min-height: 110px; resize: vertical; }

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info { background: var(--warm-white); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); border: 1px solid rgba(196,155,149,0.12); }
.contact-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed rgba(196,155,149,0.2); }
.contact-item:last-of-type { border-bottom: none; }
.contact-item .ico {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(196,155,149,0.12);
  color: var(--mist-rose);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item .t { font-weight: 600; font-size: .9rem; }
.contact-item .d { color: var(--text-soft); font-size: .92rem; word-break: break-all; }
.qr-box { text-align: center; margin-top: 24px; }
.qr-box img { width: 160px; height: 160px; border-radius: var(--radius-md); margin: 0 auto 10px; border: 1px solid rgba(196,155,149,0.2); }
.qr-box p { color: var(--text-soft); font-size: .85rem; }

/* --- FAQ --- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-list details {
  background: var(--warm-white);
  border: 1px solid rgba(196,155,149,0.15);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-list summary {
  padding: 18px 24px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--mist-rose); transition: transform .3s; font-size: .85rem; }
.faq-list details[open] summary::after { transform: rotate(180deg); }
.faq-list details p { padding: 0 24px 18px; color: var(--text-soft); font-size: .92rem; }

/* --- Submit --- */
.submit-box { text-align: center; padding: 80px 24px; max-width: 560px; margin: 0 auto; }
.submit-box .icon {
  width: 96px; height: 96px;
  margin: 0 auto 28px;
  border-radius: 50%;
  background: rgba(122,154,126,0.15);
  color: var(--mist-green);
  font-size: 2.6rem;
  display: flex; align-items: center; justify-content: center;
}
.submit-box h1 { margin-bottom: 14px; }
.submit-box p { color: var(--text-soft); margin-bottom: 32px; }

/* --- Breadcrumb --- */
.breadcrumb { padding: 20px 0 0; font-size: .85rem; color: var(--text-soft); }
.breadcrumb a { color: var(--text-soft); }
.breadcrumb a:hover { color: var(--mist-rose); }
.breadcrumb i { font-size: .7rem; margin: 0 8px; color: var(--text-soft); }
.breadcrumb .current { color: var(--mist-rose-dark); font-weight: 600; }

/* --- Page Hero (内页) --- */
.page-hero { padding: 64px 0 20px; text-align: center; }
.page-hero h1 { font-size: 2.2rem; letter-spacing: 3px; }
.page-hero p { color: var(--text-soft); margin-top: 10px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* --- 分类筛选 --- */
.filter-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  padding: 8px 22px;
  border-radius: 999px;
  border: 1.5px solid rgba(196,155,149,0.35);
  background: transparent;
  color: var(--text-warm);
  font-size: .88rem;
  cursor: pointer;
  font-family: inherit;
  transition: all .3s;
}
.filter-btn:hover { border-color: var(--mist-rose); color: var(--mist-rose); }
.filter-btn.active { background: var(--mist-rose); border-color: var(--mist-rose); color: #fff; }

/* --- 空状态 --- */
.empty-tip { text-align: center; color: var(--text-soft); padding: 60px 0; font-size: 1rem; }

/* --- Footer --- */
.site-footer { background: #3d3530; color: rgba(255,255,255,0.75); margin-top: 80px; }
.footer-main { padding: 56px 0 32px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-main h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-main p, .footer-main a { font-size: .88rem; color: rgba(255,255,255,0.7); }
.footer-main a:hover { color: #fff; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links i { color: var(--mist-rose); margin-right: 8px; font-size: .75rem; }
.footer-contact li { list-style: none; margin-bottom: 10px; font-size: .88rem; }
.footer-contact i { color: var(--mist-rose); width: 20px; margin-right: 6px; }
.footer-qr img { width: 96px; height: 96px; border-radius: var(--radius-sm); }
.footer-links-row {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
  text-align: center;
  font-size: .85rem;
}
.footer-links-row .fl-title { color: rgba(255,255,255,0.55); margin-right: 4px; }
.footer-links-row a { color: rgba(255,255,255,0.75); margin: 0 10px; transition: color .3s; }
.footer-links-row a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: .8rem; color: rgba(255,255,255,0.5); }

/* --- Back to top --- */
.back-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--mist-rose);
  color: #fff;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  z-index: 90;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--mist-rose-dark); }

/* --- Responsive --- */
@media (max-width: 992px) {
  .hero-wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-img { max-width: 360px; margin: 0 auto; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-list {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: var(--rice-paper);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    transform: translateY(-140%);
    transition: transform .3s;
    z-index: 99;
    border-bottom: 1px solid rgba(196,155,149,0.15);
  }
  .nav-list.open { transform: translateY(0); }
  .nav-list a { padding: 12px 16px; }

  .section { padding: 56px 0; }
  .hero { padding: 56px 0 64px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-wrap { text-align: center; }
  .hero .desc { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .chips { justify-content: center; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 140px; }
  .route-facts { grid-template-columns: 1fr 1fr; }
  .cta-banner { padding: 40px 24px; }
  .form-card { padding: 28px 20px; }
  .article-header h1 { font-size: 1.5rem; }
  .route-detail-hero { height: 280px; }
  .route-detail-hero .overlay { padding: 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .author-card { flex-direction: column; text-align: center; }
  .section-title { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 120px; }
  .route-facts { grid-template-columns: 1fr; }
  .hero-img .img-frame img { height: 320px; }
}