/* ========== Travel Lab UI Beautify (appended 2026-05-16) ========== */

/* ---- HERO BEAUTIFY ---- */
.hero-beautify {
  position: relative;
  height: 70vh;
  min-height: 420px;
  background: url('../images/hero-banner.webp') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-beautify::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,186,181,0.82) 0%, rgba(0,0,0,0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 0 24px;
  max-width: 720px;
}
.hero-content .hero-region-tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 18px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(255,255,255,0.35);
}
.hero-content h1 {
  font-family: 'Noto Serif TC', serif;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
.hero-content p {
  font-size: 17px;
  line-height: 1.7;
  opacity: 0.92;
  margin: 0;
}

/* ---- ARTICLE CARD BEAUTIFY ---- */
.article-card-beautify {
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 18px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.article-card-beautify:hover {
  transform: translateY(-8px);
  box-shadow: 0 14px 36px rgba(10,186,181,0.16);
}
.article-card-beautify img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.article-card-beautify:hover img {
  transform: scale(1.05);
}
.article-card-body {
  padding: 20px 22px 22px;
}
.article-card-body .cat-tag {
  display: inline-block;
  background: var(--tiffany);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 3px;
  margin-bottom: 10px;
}
.article-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.article-card-body h3 a:hover { color: var(--tiffany); }
.article-card-body p {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.7;
  margin: 0;
}
.article-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 12px;
}

/* ---- STICKY TOC ---- */
.sticky-toc-wrap {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 20px 22px;
  background: var(--bg-light);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.sticky-toc-wrap h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-dark);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--tiffany-light);
}
.sticky-toc-wrap ul { list-style: none; padding: 0; margin: 0; }
.sticky-toc-wrap li { padding: 7px 0; border-bottom: 1px solid var(--border); }
.sticky-toc-wrap li:last-child { border-bottom: none; }
.sticky-toc-wrap a {
  font-size: 13px;
  color: #555;
  transition: color 0.2s;
  display: block;
  padding: 2px 0;
}
.sticky-toc-wrap a:hover { color: var(--tiffany); }
.sticky-toc-wrap a.active { color: var(--tiffany); font-weight: 600; }

/* ---- FAQ ACCORDION BEAUTIFY ---- */
.faq-accordion-beautify .faq-item-b {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.25s;
}
.faq-accordion-beautify .faq-item-b:hover {
  box-shadow: 0 4px 16px rgba(10,186,181,0.1);
}
.faq-q-b {
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 15px;
  background: var(--bg-light);
  transition: background 0.2s;
}
.faq-q-b:hover { background: var(--tiffany-light); }
.faq-q-b .arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--tiffany);
  color: #fff;
  font-size: 16px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item-b.open .faq-q-b .arrow {
  transform: rotate(180deg);
  background: var(--tiffany-dark);
}
.faq-a-b {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--text-gray);
  line-height: 1.85;
  font-size: 14px;
}
.faq-item-b.open .faq-a-b {
  padding: 16px 22px 22px;
  max-height: 600px;
}

/* ---- BACK TO TOP ---- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--tiffany);
  color: #fff;
  font-size: 22px;
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.2s;
  box-shadow: 0 4px 14px rgba(10,186,181,0.35);
  z-index: 10000;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--tiffany-dark); }

/* ---- BREADCRUMB ---- */
.breadcrumb-bar {
  max-width: 1140px;
  margin: 0 auto;
  padding: 14px 20px;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb-bar a { color: var(--tiffany); }
.breadcrumb-bar a:hover { text-decoration: underline; }
.breadcrumb-bar .sep { margin: 0 8px; color: var(--text-light); }

/* ---- RELATED ARTICLES BEAUTIFY ---- */
.related-section-beautify {
  margin-top: 60px;
  padding-top: 32px;
  border-top: 2px solid var(--tiffany-light);
}
.related-section-beautify h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-dark);
  position: relative;
  padding-left: 18px;
}
.related-section-beautify h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 5px;
  height: 22px;
  background: var(--tiffany);
  border-radius: 3px;
}
.related-grid-beautify {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

/* ---- PROGRESS BAR ---- */
.reading-progress {
  position: fixed;
  top: 52px;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--tiffany), var(--tiffany-accent));
  z-index: 10001;
  transition: width 0.15s ease;
}

/* ---- READING TIME BADGE ---- */
.reading-time-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--tiffany-light);
  color: var(--tiffany-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ---- CTA BOX BEAUTIFY ---- */
.cta-box-beautify {
  background: linear-gradient(135deg, var(--tiffany), var(--tiffany-dark));
  color: #fff;
  text-align: center;
  padding: 36px 30px;
  border-radius: 14px;
  margin: 44px 0;
  position: relative;
  overflow: hidden;
}
.cta-box-beautify::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.cta-box-beautify h3 { font-size: 22px; margin-bottom: 10px; position: relative; }
.cta-box-beautify p { font-size: 14px; opacity: 0.9; margin-bottom: 18px; position: relative; }
.cta-box-beautify .btn-white {
  display: inline-block;
  background: #fff;
  color: var(--tiffany-dark);
  padding: 10px 30px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  transition: background 0.2s, color 0.2s;
  position: relative;
}
.cta-box-beautify .btn-white:hover { background: var(--tiffany-light); }

/* ---- HIGHLIGHT BOX ---- */
.highlight-box-beautify {
  background: linear-gradient(135deg, var(--tiffany-light), #f0fffe);
  border-left: 4px solid var(--tiffany);
  border-radius: 0 10px 10px 0;
  padding: 20px 24px;
  margin: 24px 0;
}
.highlight-box-beautify .hb-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--tiffany-dark);
  margin-bottom: 8px;
}
.highlight-box-beautify p {
  font-size: 14px;
  color: var(--text-dark);
  line-height: 1.8;
  margin: 0;
}

/* ---- DAY CARD BEAUTIFY ---- */
.day-card-beautify {
  background: #fff;
  border-radius: 14px;
  padding: 26px 28px;
  margin-bottom: 22px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: box-shadow 0.25s;
}
.day-card-beautify:hover {
  box-shadow: 0 6px 24px rgba(10,186,181,0.12);
}
.day-card-beautify h3 {
  font-size: 18px;
  color: var(--tiffany-dark);
  margin: 0 0 12px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--tiffany-light);
}
.day-tag-beautify {
  display: inline-block;
  background: var(--tiffany);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
}

/* ---- RESPONSIVE TWEAKS ---- */
@media (max-width: 768px) {
  .hero-beautify { height: 50vh; min-height: 300px; }
  .hero-content h1 { font-size: 28px; }
  .hero-content p { font-size: 14px; }
  .sticky-toc-wrap { position: static; margin-bottom: 24px; }
  .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; font-size: 18px; }
}