:root {
  --cream: #f5fafb;
  --paper: #f8fdff;
  --light-gray: #e8f4f8;
  --border: #cce4ee;
  --primary: #4a7a8a;
  --primary2: #6a9aaa;
  --primary-light: #dff0f5;
  --primary-mid: #c8e4ee;
  --dark: #1e3040;
  --gray: #4a6878;
  --card-shadow: 0 2px 20px rgba(40,100,130,0.09);
  /* 鵝黃 */
  --yellow: #f0d060;
  --yellow-light: #fdf7d6;
  --yellow-mid: #e8c840;
  /* 海洋藍跳色 */
  --ocean: #7ab8d4;
  --ocean-light: #e8f4f9;
  --ocean-mid: #5a9ab8;
  --ocean-pale: #f0f8fc;
  --timeline-line: rgba(122,184,212,0.42);
  --timeline-line-strong: rgba(90,154,184,0.9);
  --timeline-glow: rgba(122,184,212,0.16);
}

* { margin:0; padding:0; box-sizing:border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: auto;
  text-size-adjust: auto;
}
body {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1rem;
  background: var(--cream);
  color: var(--dark);
  background-image:
    radial-gradient(ellipse at 15% 40%, rgba(122,184,212,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(90,154,184,0.05) 0%, transparent 50%);
}

/* === HERO 海島版 === */
.hero {
  height: 100vh; min-height: 600px;
  background: linear-gradient(155deg, #e8f4f9 0%, #c8e8f5 40%, #a8d8ee 70%, #d4e8ee 100%);
  position: relative; display: flex;
  align-items: center; justify-content: center; text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1920&q=80');
  background-size: cover; background-position: center;
  opacity: 0.18; mix-blend-mode: multiply;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom,
    rgba(232,244,249,0.2) 0%,
    rgba(168,216,238,0.25) 50%,
    rgba(212,232,238,0.55) 100%);
}
.hero::before {
  content: ''; position: absolute; inset: 2rem;
  border: 1px solid rgba(122,184,212,0.5);
  pointer-events: none; z-index: 1;
}
.hero::after {
  content: ''; position: absolute; inset: 2.4rem;
  border: 1px solid rgba(122,184,212,0.25);
  pointer-events: none; z-index: 1;
}
.hero-content { position: relative; z-index: 2; padding: 2rem; }
.hero-tag {
  display: inline-block;
  border: 1px solid var(--ocean);
  background: rgba(122,184,212,0.15);
  padding: 0.4rem 1.4rem;
  font-size: 0.68rem; letter-spacing: 0.35em;
  color: var(--primary); text-transform: uppercase;
  margin-bottom: 2rem; font-weight: 500;
}
.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(4rem, 12vw, 9rem);
  color: var(--dark); line-height: 0.95;
  letter-spacing: -0.02em;
}
.hero h1 em { color: var(--ocean-mid); font-style: italic; }
.hero-sub {
  margin-top: 1.5rem; font-size: 0.85rem;
  color: var(--gray); letter-spacing: 0.25em; font-weight: 300;
}
.hero-stats {
  display: flex; gap: 3rem; justify-content: center;
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid var(--ocean);
}
.hero-stat .num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem; color: var(--dark); font-weight: 300;
}
.hero-stat .lbl {
  font-size: 0.65rem; color: var(--ocean-mid);
  letter-spacing: 0.18em; text-transform: uppercase; margin-top: 0.2rem;
}
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  color: var(--ocean-mid); font-size: 0.65rem; letter-spacing: 0.3em;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem; z-index: 2;
  animation: bounce 2.5s ease-in-out infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(7px)} }

/* === DAY NAV === */
.day-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(40,100,130,0.07);
  display: flex; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.day-nav::-webkit-scrollbar { display: none; }
.day-btn {
  flex-shrink: 0;
  padding: 1.1rem 1.8rem; border: none; background: none;
  font-size: 0.82rem; font-family: 'Noto Sans TC', sans-serif;
  cursor: pointer; white-space: nowrap;
  border-bottom: 2px solid transparent;
  color: #9ab8c8; transition: all 0.25s; font-weight: 300;
  letter-spacing: 0.05em;
}
.day-btn:hover { color: var(--ocean-mid); }
.day-btn.active {
  border-bottom-color: var(--ocean-mid);
  color: var(--primary); font-weight: 500;
  background: var(--ocean-light);
}

/* === LAYOUT === */
.container { max-width: 1000px; margin: 0 auto; padding: 3.5rem 1.5rem; }
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 0.5rem; font-weight: 400; color: var(--dark);
}

/* === DAY CONTENT === */
.day-content { display: none; }
.day-content.active { display: block; animation: fadeUp 0.45s ease; }
@keyframes fadeUp { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:translateY(0); } }

.day-header {
  margin-bottom: 2.5rem; padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--ocean);
  display: flex; align-items: flex-end; gap: 2rem;
}
.day-header-left { flex: 1; }
.day-num { font-size: 0.68rem; color: var(--ocean-mid); letter-spacing: 0.3em; text-transform: uppercase; font-weight: 500; }
.day-theme { font-family: 'Cormorant Garamond', serif; font-size: 2.2rem; margin: 0.3rem 0; font-weight: 400; }
.day-date { font-size: 0.85rem; color: var(--gray); font-weight: 300; }
.day-header-deco {
  font-family: 'Cormorant Garamond', serif;
  font-size: 5rem; color: var(--primary-mid);
  font-style: italic; line-height: 1; font-weight: 300; user-select: none;
}

/* === TIMELINE === */
.timeline { position: relative; padding-left: 4rem; }
.timeline::before {
  display: none;
}
.tl-item {
  position: relative;
  padding-bottom: 2rem;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: '';
  position: absolute;
  left: -2.85rem;
  top: 1.55rem;
  bottom: -1.55rem;
  width: 2px;
  border-radius: 999px;
  background: var(--timeline-line-strong);
}
.tl-item:last-child::before { display: none; }
.tl-dot {
  position: absolute;
  left: -3.42rem;
  top: 0.95rem;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(233,246,252,0.98));
  border: 3px solid rgba(122,184,212,0.9);
  box-shadow: 0 6px 14px rgba(40,100,130,0.12);
  z-index: 2;
}
.tl-dot::after {
  content: '';
  position: absolute;
  inset: 0.2rem;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--ocean), var(--ocean-mid));
}

/* === SPOT CARD === */
.spot-card {
  position: relative;
  background: linear-gradient(180deg, rgba(248,253,255,0.98), rgba(240,248,252,0.92));
  border: 1px solid rgba(204,228,238,0.9);
  border-radius: 22px;
  box-shadow: 0 12px 34px rgba(40,100,130,0.1);
  overflow: hidden;
  display: flex;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.spot-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.24), transparent 34%, rgba(122,184,212,0.08) 100%);
  pointer-events: none;
}
.spot-card:hover {
  transform: translateY(-4px);
  border-color: rgba(122,184,212,0.5);
  box-shadow: 0 18px 42px rgba(40,100,130,0.16);
}
.spot-img-wrap {
  width: 260px;
  aspect-ratio: 16 / 9;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.spot-img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s; display:block; filter:sepia(8%) saturate(85%); }
.spot-img--lujiang { object-position: 70% center; }
.spot-img--minnan { object-position: 30% center; }
.spot-img--tianluokeng {object-position: 40% center ;}
.spot-card:hover .spot-img { transform:scale(1.04); filter:sepia(0%) saturate(100%); }
.spot-card:hover .spot-img--tianluokeng { transform: scale(1.16); }
.spot-type-badge {
  position: absolute; top: 0.7rem; left: 0.7rem;
  background: rgba(240,248,252,0.88); color: var(--primary);
  font-size: 0.62rem; padding: 0.2rem 0.6rem;
  border: 1px solid rgba(122,184,212,0.4); letter-spacing: 0.1em;
  backdrop-filter: blur(4px);
  border-radius: 999px;
}
.spot-info { padding: 1.4rem 1.6rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.spot-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.65rem;
  width: fit-content;
  padding: 0.36rem 0.8rem;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(122,184,212,0.12), rgba(122,184,212,0.05));
  border: 1px solid rgba(122,184,212,0.18);
}
.spot-time { font-size: 0.72rem; color: var(--ocean-mid); font-weight: 600; letter-spacing: 0.12em; }
.spot-duration { font-size: 0.72rem; color: #aac8d8; }
.spot-name { font-family:'Cormorant Garamond',serif; font-size: 1.5rem; font-weight: 600; margin-bottom: 0.55rem; }
.spot-desc { font-size: 0.87rem; color: var(--gray); line-height: 1.8; flex: 1; font-weight: 300; }
.spot-footer { margin-top: 1rem; display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.btn-map {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.35rem 1rem; background: var(--ocean-light);
  border: 1px solid var(--ocean); color: var(--dark);
  cursor: pointer; font-size: 0.75rem; font-weight: 500;
  text-decoration: none; transition: all 0.2s;
  font-family: 'Noto Sans TC', sans-serif; letter-spacing: 0.05em;
}
.btn-map:hover { background: var(--ocean); color: white; border-color: var(--ocean-mid); }

/* === AUDIO STORY BTN === */
.btn-audio {
  display: none !important;
  align-items: center; gap: 0.3rem;
  padding: 0.35rem 1rem;
  background: var(--ocean-light); border: 1px solid var(--ocean);
  color: var(--dark); cursor: pointer;
  font-size: 0.75rem; font-weight: 500;
  font-family: 'Noto Sans TC', sans-serif;
  letter-spacing: 0.05em; transition: all 0.2s;
}
.btn-audio:hover { background: var(--ocean); color: white; }
.btn-audio:disabled { opacity: 0.6; cursor: wait; }
.btn-audio[data-state="playing"] {
  background: var(--ocean); color: white;
  animation: audioPulse 1.5s ease-in-out infinite;
}
.btn-audio[data-state="paused"] { background: var(--primary-light); color: var(--primary); }
@keyframes audioPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(122,184,212,0.5); }
  50%       { box-shadow: 0 0 0 8px rgba(122,184,212,0); }
}

.spot-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag { font-size: 0.68rem; padding: 0.18rem 0.6rem; background: var(--light-gray); color: var(--gray); border: 1px solid var(--border); }

/* === MEAL STRIP === */
.meal-strip {
  display: flex; gap: 1rem; margin: 1.5rem 0 2.5rem;
  background: var(--ocean-light); border: 1px solid var(--ocean);
  padding: 1rem 1.3rem; align-items: center; flex-wrap: wrap;
}
.meal-label { font-size: 0.68rem; color: var(--ocean-mid); font-weight: 600; letter-spacing: 0.2em; margin-right: 0.5rem; text-transform: uppercase; }
.meal-item { font-size: 0.84rem; color: var(--gray); font-weight: 300; }

/* === BUDGET === */
.budget-section {
  background: var(--paper); border: 1px solid var(--border);
  border-radius: 4px; box-shadow: var(--card-shadow);
  padding: 2.5rem; margin-top: 5rem;
}
.budget-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-bottom: 1.5rem; }
.budget-item {
  text-align: center; padding: 1.3rem 1rem;
  background: var(--ocean-light); border: 1px solid var(--border); transition: all 0.2s;
}
.budget-item:hover { background: var(--ocean-light); border-color: var(--ocean); }
.budget-item .b-icon { font-size: 1.4rem; margin-bottom: 0.4rem; }
.budget-item .b-label { font-size: 0.76rem; color: var(--gray); margin-bottom: 0.5rem; font-weight: 300; }
.budget-item input {
  width: 100%; text-align: center; border: none; background: none;
  font-size: 1.15rem; font-weight: 600; color: var(--primary);
  font-family: 'Cormorant Garamond', serif;
}
.budget-item input:focus { outline: none; }
.budget-total-wrap { text-align: center; padding: 1.5rem; border-top: 1px dashed var(--ocean); margin-top: 0.5rem; }
.budget-total-label { font-size: 0.8rem; color: var(--gray); margin-bottom: 0.3rem; letter-spacing: 0.1em; font-weight: 300; }
.budget-total { font-family: 'Cormorant Garamond', serif; font-size: 3.2rem; color: var(--primary); font-weight: 300; }
.budget-note { font-size: 0.72rem; color: #a0c0d0; margin-top: 0.3rem; }

/* === TIPS === */
.tips-section { margin-top: 4rem; margin-bottom: 5rem; }
.tips-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1rem; margin-top: 1.5rem; }
.tip-card {
  background: var(--paper); border: 1px solid var(--border);
  border-left: 4px solid var(--ocean); padding: 1.3rem 1.5rem;
  box-shadow: var(--card-shadow);
}
.tip-card .tip-head { display: flex; align-items: center; gap: 0.5rem; font-weight: 500; margin-bottom: 0.5rem; font-size: 0.95rem; }
.tip-card p { font-size: 0.84rem; color: var(--gray); line-height: 1.75; font-weight: 300; }

footer {
  background: var(--dark); color: rgba(200,230,245,0.45);
  text-align: center; padding: 2rem;
  font-size: 0.75rem; letter-spacing: 0.2em; font-weight: 300;
}

@media (max-width: 640px) {
  .timeline { padding-left: 3rem; }
  .tl-item { padding-bottom: 1.5rem; }
  .tl-item::before {
    left: -2.18rem;
    top: 1.42rem;
    bottom: -1.42rem;
  }
  .tl-dot {
    left: -2.75rem;
    top: 0.86rem;
    width: 1rem;
    height: 1rem;
    border-width: 2px;
    box-shadow: 0 5px 12px rgba(40,100,130,0.1);
  }
  .spot-card { flex-direction: column; }
  .spot-img-wrap {
    width: 100%;
    aspect-ratio: 16 / 9;
  }
  .spot-info { padding: 1.15rem 1.2rem 1.25rem; }
  .spot-meta {
    width: fit-content;
    max-width: 100%;
    flex-wrap: wrap;
    border-radius: 14px;
  }
  .budget-grid { grid-template-columns: repeat(2,1fr); }
  .day-header-deco { display: none; }
}