/* ============================================
   小赵·西藏导游 - 个人博客 全局样式
   "西湖晨雾"轻暖风格 · GEO 规范已适配
   ============================================ */

:root {
  --mist-rose:    #c49b95;
  --mist-green:   #7a9a7e;
  --tea-gold:     #b8945a;
  --rice-paper:   #fdfaf5;
  --warm-white:   #fefefb;
  --text-warm:    #4a3f3a;
  --text-soft:    #8a7f7a;
  --text-mist:    #b8ada8;
  --shadow-sm:    0 2px 10px rgba(74,63,58,0.06);
  --shadow-md:    0 4px 20px rgba(74,63,58,0.08);
  --shadow-lg:    0 8px 32px rgba(74,63,58,0.10);
  --radius:       12px;
  --radius-sm:    8px;
  --font-heading: 'Noto Serif SC', 'Songti SC', Georgia, serif;
  --font-body:    'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition:   all 0.3s ease;
  --max-width:    1100px;
  --nav-height:   68px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text-warm);
  background: var(--rice-paper);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--mist-green); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--tea-gold); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
::selection { background: rgba(196,155,149,0.25); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* === Typography === */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-warm);
}
h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 8px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-soft);
  font-size: 0.95rem;
  margin-bottom: 40px;
}
.section-divider {
  width: 50px;
  height: 2.5px;
  background: linear-gradient(90deg, var(--mist-rose), var(--mist-green));
  margin: 12px auto 10px;
  border-radius: 2px;
}

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(253,250,245,0.90);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(196,155,149,0.12);
  z-index: 1000;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-warm);
}
.nav-logo:hover { color: var(--mist-rose); }
.nav-logo i { color: var(--mist-rose); font-size: 1.3rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links a {
  padding: 6px 12px;
  color: var(--text-soft);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--mist-rose);
  background: rgba(196,155,149,0.08);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-warm);
  border-radius: 2px;
  transition: var(--transition);
}

/* === Hero === */
.hero {
  margin-top: var(--nav-height);
  padding: 80px 0 60px;
  background: linear-gradient(135deg, rgba(196,155,149,0.06), rgba(122,154,126,0.04));
}
.hero .container {
  display: flex;
  align-items: center;
  gap: 50px;
}
.hero-avatar {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--warm-white);
  box-shadow: var(--shadow-md);
}
.hero-avatar-placeholder {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mist-rose), var(--tea-gold));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--warm-white);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}
.hero-text h1 {
  margin-bottom: 8px;
}
.hero-text .slogan {
  font-size: 1.1rem;
  color: var(--text-soft);
  margin-bottom: 16px;
  font-style: italic;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.hero-cta {
  display: flex;
  gap: 12px;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 10px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
}
.btn-primary {
  background: var(--mist-rose);
  color: var(--warm-white);
}
.btn-primary:hover {
  background: #b2847d;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(196,155,149,0.3);
  color: var(--warm-white);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--mist-green);
  color: var(--mist-green);
}
.btn-outline:hover {
  background: var(--mist-green);
  color: var(--warm-white);
  transform: translateY(-2px);
}
.btn-gold {
  background: var(--tea-gold);
  color: var(--warm-white);
}
.btn-gold:hover {
  background: #a67d48;
  transform: translateY(-2px);
  color: var(--warm-white);
}

/* === Tag Chip === */
.tag-chip {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  background: rgba(196,155,149,0.10);
  color: var(--mist-rose);
  border: 1px solid rgba(196,155,149,0.20);
  font-weight: 500;
}

/* === Card === */
.card {
  background: var(--warm-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.card-body {
  padding: 20px;
}
.card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-warm);
}
.card-text {
  color: var(--text-soft);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* === Grid === */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* === Section === */
.section { padding: 64px 0; }
.section-alt { background: var(--warm-white); }
.section-alt2 { background: rgba(122,154,126,0.04); }

/* === Stats === */
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--mist-rose);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--text-soft);
  margin-top: 4px;
}

/* === Breadcrumb === */
.breadcrumb {
  padding: 14px 0;
  background: var(--warm-white);
  margin-top: var(--nav-height);
  border-bottom: 1px solid rgba(196,155,149,0.08);
}
.breadcrumb a { color: var(--text-soft); font-size: 0.82rem; }
.breadcrumb a:hover { color: var(--mist-rose); }
.breadcrumb span { color: var(--text-warm); font-size: 0.82rem; }
.breadcrumb .sep { margin: 0 8px; color: var(--text-soft); }
.breadcrumb h1 { font-size: 1.4rem; margin-top: 6px; }

/* === Blog Card === */
.blog-card .card-img { height: 190px; }
.blog-card .meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-mist);
  margin-bottom: 8px;
}
.blog-card .card-body { padding: 16px; }

/* === Route Card === */
.route-card .card-img { height: 180px; position: relative; }
.route-card .price-tag {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: var(--tea-gold);
  color: var(--warm-white);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* === Gallery === */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition);
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-item .gallery-label {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0,0,0,0.50);
  color: var(--warm-white);
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
}
.gallery-item:nth-child(2) img,
.gallery-item:nth-child(5) img {
  height: 280px;
}

/* === Lightbox === */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox.show { display: flex; }
.lightbox img {
  max-width: 85%;
  max-height: 85%;
  border-radius: var(--radius-sm);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: var(--warm-white);
  font-size: 2.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
}
.lightbox-close:hover { opacity: 1; }

/* === Review Card === */
.review-card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--warm-white);
  box-shadow: var(--shadow-sm);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mist-rose), var(--tea-gold));
  display: flex;
  align-items: center; justify-content: center;
  color: var(--warm-white);
  font-size: 1rem;
  font-weight: 700;
}
.review-meta h4 { font-size: 0.9rem; margin-bottom: 2px; font-family: var(--font-body); }
.review-meta .date { font-size: 0.78rem; color: var(--text-mist); }
.review-text { font-size: 0.88rem; line-height: 1.7; color: var(--text-warm); }
.stars { color: #f39c12; font-size: 0.82rem; margin-bottom: 2px; }

/* === Author Card === */
.author-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: rgba(196,155,149,0.06);
  border-radius: var(--radius);
}
.author-card img {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
}
.author-card .author-avatar-placeholder {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mist-rose), var(--tea-gold));
  display: flex;
  align-items: center; justify-content: center;
  color: var(--warm-white);
  font-size: 1.5rem;
  flex-shrink: 0;
}
.author-card h4 { margin-bottom: 2px; font-size: 1rem; }
.author-card p { font-size: 0.82rem; color: var(--text-soft); }

/* === Form === */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600;
  margin-bottom: 5px; color: var(--text-warm);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid rgba(196,155,149,0.20);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--warm-white);
  color: var(--text-warm);
  outline: none;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--mist-rose);
  box-shadow: 0 0 0 3px rgba(196,155,149,0.10);
}
.form-group textarea { min-height: 100px; resize: vertical; }

/* === Contact Card === */
.contact-card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--warm-white);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.contact-card i {
  font-size: 2rem;
  color: var(--mist-rose);
  margin-bottom: 12px;
}
.contact-card h4 { margin-bottom: 6px; }
.contact-card p { font-size: 0.88rem; color: var(--text-soft); }

/* === Blog Content === */
.blog-content {
  line-height: 2;
  font-size: 0.95rem;
}
.blog-content p { margin-bottom: 16px; }
.blog-content h2 {
  font-size: 1.4rem;
  margin: 28px 0 12px;
}
.blog-content h3 {
  font-size: 1.15rem;
  margin: 20px 0 10px;
}
.blog-content ul, .blog-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.blog-content li { margin-bottom: 6px; list-style: disc; }
.blog-content blockquote {
  border-left: 3px solid var(--mist-rose);
  padding: 12px 20px;
  margin: 16px 0;
  background: rgba(196,155,149,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-soft);
  font-style: italic;
}

/* === Modal === */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.40);
  z-index: 2000;
  align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-overlay.show { display: flex; }
.modal-content {
  background: var(--warm-white);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 460px;
  width: 90%;
  text-align: center;
  animation: modalIn 0.3s ease;
}
@keyframes modalIn { from { transform: scale(0.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-icon { font-size: 3rem; margin-bottom: 12px; }
.modal-title { font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 8px; }
.modal-text { color: var(--text-soft); font-size: 0.88rem; margin-bottom: 20px; }

/* === Footer === */
.footer {
  background: #3a3530;
  color: rgba(255,255,255,0.80);
  padding: 48px 0 28px;
}
.footer h4 {
  color: var(--warm-white);
  font-family: var(--font-heading);
  margin-bottom: 14px;
  font-size: 1rem;
}
.footer a {
  color: rgba(255,255,255,0.65);
  display: block;
  padding: 3px 0;
  font-size: 0.85rem;
}
.footer a:hover { color: var(--tea-gold); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 32px;
}
.footer-about p { font-size: 0.85rem; line-height: 1.8; margin-bottom: 12px; }
.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.85rem;
}
.footer-contact-item i { color: var(--tea-gold); width: 16px; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 32px;
  padding-top: 18px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.40);
}

/* === Filter === */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.filter-chip {
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  background: var(--warm-white);
  color: var(--text-soft);
  border: 1.5px solid rgba(196,155,149,0.15);
}
.filter-chip:hover { border-color: var(--mist-rose); color: var(--mist-rose); }
.filter-chip.active { background: var(--mist-rose); color: var(--warm-white); border-color: var(--mist-rose); }

/* === Star Input === */
.star-input { display: flex; gap: 3px; direction: rtl; }
.star-input i { font-size: 1.3rem; color: #ddd; cursor: pointer; transition: var(--transition); }
.star-input i:hover, .star-input i:hover ~ i, .star-input .selected, .star-input .selected ~ i { color: #f39c12; }

/* === Route Detail === */
.route-header {
  display: flex;
  gap: 32px;
  align-items: start;
}
.route-header img {
  width: 50%;
  border-radius: var(--radius);
}
.route-info { flex: 1; }
.route-info .meta { display: flex; gap: 16px; margin: 12px 0; }
.route-info .meta span { font-size: 0.88rem; color: var(--text-soft); }
.route-info .meta i { margin-right: 4px; color: var(--mist-rose); }
.route-highlight {
  background: rgba(196,155,149,0.06);
  border-left: 3px solid var(--mist-rose);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 16px 0;
  font-size: 0.9rem;
}

/* === Agenda === */
.agenda-day {
  border-left: 3px solid var(--mist-green);
  padding-left: 16px;
  margin-bottom: 20px;
}
.agenda-day h4 { color: var(--text-warm); margin-bottom: 6px; }
.agenda-day ul li {
  padding: 3px 0;
  font-size: 0.88rem;
}
.agenda-day ul li::before { content: '▸ '; color: var(--mist-green); }

/* === CTA Banner === */
.cta-banner {
  background: linear-gradient(135deg, var(--mist-rose), var(--mist-green));
  padding: 48px;
  border-radius: var(--radius);
  text-align: center;
  color: var(--warm-white);
}
.cta-banner h2 { color: var(--warm-white); }
.cta-banner p { opacity: 0.9; margin: 12px 0 20px; }

/* === Map Placeholder === */
.map-placeholder {
  width: 100%;
  height: 250px;
  background: var(--rice-paper);
  border-radius: var(--radius);
  display: flex;
  align-items: center; justify-content: center;
  color: var(--text-mist);
  font-size: 0.9rem;
}

/* === Float WhatsApp === */
.float-btn {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 999;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex;
  align-items: center; justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 16px rgba(37,211,102,0.25);
  transition: var(--transition);
  border: none; cursor: pointer;
}
.float-btn:hover { transform: scale(1.1); color: white; }

/* === Responsive === */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2,1fr); }
  .route-header { flex-direction: column; }
  .route-header img { width: 100%; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--rice-paper);
    flex-direction: column;
    padding: 12px;
    border-bottom: 1px solid rgba(196,155,149,0.12);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 14px; width: 100%; }
  .hero .container { flex-direction: column; text-align: center; gap: 24px; }
  .hero-avatar-placeholder, .hero-avatar { width: 140px; height: 140px; font-size: 3rem; }
  .hero-tags { justify-content: center; }
  .hero-cta { justify-content: center; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item img, .gallery-item:nth-child(2) img, .gallery-item:nth-child(5) img { height: 200px; }
  .float-btn { width: 46px; height: 46px; font-size: 1.3rem; bottom: 16px; right: 16px; }
}

@media (max-width: 375px) {
  .container { padding: 0 14px; }
  h1 { font-size: 1.6rem; }
  .hero { padding: 40px 0; }
}