/* 色碼設定區 */
:root {
  --taoyuan-primary: #3d5a7a;
  --taoyuan-light: #6b8cae;
  --taoyuan-pale: #c8d8e8;
  --taoyuan-bg: #eef3f8;
  --taoyuan-dark: #1e3248;
  --taoyuan-accent: #7bb3d4;

  --annan-primary: #2d7a6b;
  --annan-light: #4fa896;
  --annan-pale: #b8ddd7;
  --annan-bg: #ebf5f3;
  --annan-dark: #134d42;
  --annan-accent: #6ecfbf;

  --neutral: #f5f3ee;
  --text-dark: #1a1a2e;
  --text-mid: #4a4a6a;
  --divider: #ddd;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.14);
  --radius: 16px;
  --radius-sm: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans TC', sans-serif; background: var(--neutral); color: var(--text-dark); min-height: 100vh; overflow-x: hidden; }

/* 導覽列 */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(26,26,46,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: space-between; padding: 0 2rem; height: 64px; }
.nav-logo { font-family: 'Noto Serif TC', serif; font-weight: 900; font-size: 1.1rem; color: #fff; letter-spacing: 0.06em; display: flex; align-items: center; gap: 0.5rem; }
.nav-logo .logo-dot-t { color: var(--taoyuan-accent); }
.nav-logo .logo-dot-a { color: var(--annan-accent); }
.nav-links { display: flex; gap: 0.2rem; list-style: none; }
.nav-links li a {
  color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.85rem; font-weight: 500;
  padding: 0.45rem 0.9rem; border-radius: 6px; transition: all 0.2s; cursor: pointer; letter-spacing: 0.04em;
  display: flex; align-items: center; justify-content: center; gap: 6px; min-width: 95px;
}
.nav-links li a i { width: 16px; text-align: center; }
.nav-links li a:hover, .nav-links li a.active { background: rgba(255,255,255,0.12); color: #fff; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: 0.3s; }

/* 頁面通用 */
.page { padding-top: 64px; min-height: 100vh; }
.section-wrap { max-width: 1200px; margin: 0 auto; padding: 3rem 1.5rem; }
.section-title { font-family: 'Noto Serif TC', serif; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 900; text-align: center; margin-bottom: 0.5rem; color: var(--text-dark); display: flex; align-items: center; justify-content: center; gap: 0.5rem;}
.section-sub { text-align: center; color: var(--text-mid); font-size: 0.9rem; margin-bottom: 2.5rem; letter-spacing: 0.05em; }

/* 首頁 Hero 區塊 */
.hero { min-height: calc(100vh - 64px); display: grid; grid-template-columns: 1fr 1fr; position: relative; overflow: hidden; }
.hero-side { position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 4rem 3rem; min-height: 100%; overflow: hidden; }
.hero-side::before { content: ''; position: absolute; inset: 0; opacity: 0.07; background-size: 40px 40px; }
.hero-taoyuan { background: linear-gradient(145deg, var(--taoyuan-dark) 0%, var(--taoyuan-primary) 60%, #2a4a6b 100%); }
.hero-taoyuan::before { background-image: radial-gradient(circle, var(--taoyuan-accent) 1px, transparent 1px); }
.hero-annan { background: linear-gradient(145deg, var(--annan-dark) 0%, var(--annan-primary) 60%, #1a5c4e 100%); }
.hero-annan::before { background-image: radial-gradient(circle, var(--annan-accent) 1px, transparent 1px); }
.hero-divider { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 10; width: 72px; height: 72px; background: var(--neutral); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 900; color: var(--text-dark); box-shadow: 0 0 0 6px rgba(255,255,255,0.3), var(--shadow-lg); font-family: 'Playfair Display', serif; letter-spacing: -2px; }
.hero-tag { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.6; color: #fff; margin-bottom: 1rem; }
.hero-city { font-family: 'Noto Serif TC', serif; font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 900; color: #fff; line-height: 1.1; margin-bottom: 0.5rem; text-shadow: 0 2px 24px rgba(0,0,0,0.3); }
.hero-district { font-size: clamp(1rem, 2vw, 1.4rem); color: rgba(255,255,255,0.6); font-weight: 300; margin-bottom: 2rem; letter-spacing: 0.1em; }
.hero-badge { display: inline-flex; gap: 0.6rem; flex-wrap: wrap; justify-content: center; }
.badge { padding: 0.4rem 0.85rem; border-radius: 20px; font-size: 0.78rem; font-weight: 500; border: 1px solid rgba(255,255,255,0.25); color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.1); letter-spacing: 0.04em; display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-width: 115px; }
.hero-deco { position: absolute; border-radius: 50%; opacity: 0.08; pointer-events: none; }
.hero-scroll-hint { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); z-index: 10; color: rgba(255,255,255,0.5); font-size: 0.75rem; display: flex; flex-direction: column; align-items: center; gap: 0.4rem; letter-spacing: 0.1em; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* PK 版型與卡片 */
.pk-layout { display: grid; grid-template-columns: 1fr 64px 1fr; gap: 1rem; align-items: start; }
.pk-center-col { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 1.5rem; padding-top: 1.5rem; }
.pk-vs-badge { width: 52px; height: 52px; background: var(--text-dark); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 0.85rem; letter-spacing: 0.05em; flex-shrink: 0; box-shadow: var(--shadow); }
.pk-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #fff; transition: transform 0.2s, box-shadow 0.2s; }
.pk-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.pk-card-header { padding: 1.2rem 1.5rem; display: flex; align-items: center; gap: 0.8rem; }
.pk-card-header .city-icon { width: 42px; height: 42px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: #fff; }
.taoyuan-header { background: linear-gradient(135deg, var(--taoyuan-primary), var(--taoyuan-light)); }
.annan-header { background: linear-gradient(135deg, var(--annan-primary), var(--annan-light)); }
.pk-card-header h3 { font-family: 'Noto Serif TC', serif; font-size: 1.1rem; font-weight: 700; color: #fff; }
.pk-card-header p { font-size: 0.75rem; color: rgba(255,255,255,0.7); }
.pk-card-body { padding: 1.5rem; }

/* 真實圖片樣式 */
.landmark-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr; /* 切成兩排 */
  gap: 0.6rem; /* 圖片之間的間距 */
  margin-bottom: 1.2rem;
}

.landmark-gallery .main-img {
  grid-column: span 2; /* 佔滿兩格的寬度 */
  width: 100%;
  aspect-ratio: 16 / 9; /* 主圖用寬比例 */
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.landmark-gallery .sub-img {
  width: 100%;
  aspect-ratio: 4 / 3; /* 小圖用方比例 */
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
/* 卡片內資訊條目 */
.info-item { padding: 0.7rem 0; border-bottom: 1px solid #f0f0f0; display: flex; flex-direction: column; gap: 0.2rem; }
.info-item:last-child { border-bottom: none; }
.info-label { font-size: 0.75rem; color: var(--text-mid); letter-spacing: 0.05em; display:flex; align-items:center; gap:4px; }
.info-value { font-weight: 600; font-size: 0.95rem; color: var(--text-dark); }
.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.4rem; }
.tag { padding: 0.2rem 0.6rem; border-radius: 12px; font-size: 0.72rem; font-weight: 600; }
.tag.taoyuan { background: var(--taoyuan-pale); color: var(--taoyuan-dark); }
.tag.annan { background: var(--annan-pale); color: var(--annan-dark); }

/* 人口頁面 */
.pop-hero { background: linear-gradient(135deg, var(--text-dark) 0%, #2a3a5c 50%, #1a3d33 100%); padding: 4rem 1.5rem 3rem; text-align: center; }
.pop-hero h1 { font-family: 'Noto Serif TC', serif; font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 900; color: #fff; margin-bottom: 0.5rem; display:flex; align-items:center; justify-content:center; gap:0.5rem; }
.pop-hero p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.pop-stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 2rem 0; }
.stat-big-card { border-radius: var(--radius); padding: 2rem; text-align: center; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.stat-big-card.taoyuan-card { background: linear-gradient(135deg, var(--taoyuan-primary), var(--taoyuan-dark)); color: #fff; }
.stat-big-card.annan-card { background: linear-gradient(135deg, var(--annan-primary), var(--annan-dark)); color: #fff; }
.stat-big-card .stat-region { font-size: 0.8rem; opacity: 0.7; letter-spacing: 0.1em; margin-bottom: 0.5rem; }
.stat-big-card .stat-num { font-family: 'Playfair Display', serif; font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 700; line-height: 1; margin-bottom: 0.3rem; }
.stat-big-card .stat-unit { font-size: 0.8rem; opacity: 0.7; }
.chart-container { background: #fff; border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); margin-bottom: 1.5rem; }
.chart-title { font-family: 'Noto Serif TC', serif; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-dark); display: flex; align-items: center; gap: 0.5rem; }
.chart-wrap { position: relative; height: 260px; }

/* 地標與產業頁面 */
.page-banner { padding: 3.5rem 1.5rem 2.5rem; text-align: center; }
.page-banner.dual-banner { background: linear-gradient(135deg, var(--taoyuan-dark) 0%, #2a3850 50%, var(--annan-dark) 100%); }
.page-banner h1 { font-family: 'Noto Serif TC', serif; font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; color: #fff; margin-bottom: 0.4rem; display:flex; align-items:center; justify-content:center; gap:0.5rem;}
.page-banner p { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.map-container { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); margin-bottom: 1.5rem; }
.map-header { padding: 1rem 1.5rem; font-family: 'Noto Serif TC', serif; font-weight: 700; font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.map-header.t { background: var(--taoyuan-pale); color: var(--taoyuan-dark); }
.map-header.a { background: var(--annan-pale); color: var(--annan-dark); }
#map-taoyuan, #map-annan { height: 260px; }

.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; padding: 1rem 1.5rem; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); align-items: center; }
.filter-label { font-size: 0.8rem; font-weight: 600; color: var(--text-mid); margin-right: 0.3rem; }
.filter-btn { padding: 0.35rem 0.9rem; border-radius: 20px; border: 2px solid #ddd; background: #fff; font-size: 0.8rem; cursor: pointer; font-family: 'Noto Sans TC', sans-serif; transition: all 0.2s; font-weight: 500; }
.filter-btn:hover { border-color: #999; }
.filter-btn.active-t { border-color: var(--taoyuan-primary); background: var(--taoyuan-pale); color: var(--taoyuan-dark); }
.filter-btn.active-a { border-color: var(--annan-primary); background: var(--annan-pale); color: var(--annan-dark); }
.filter-btn.active-all { border-color: var(--text-dark); background: var(--text-dark); color: #fff; }
.industry-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.industry-card { background: #fff; border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow); border-left: 4px solid transparent; transition: all 0.25s; }
.industry-card[data-region="taoyuan"] { border-left-color: var(--taoyuan-primary); }
.industry-card[data-region="annan"] { border-left-color: var(--annan-primary); }
.industry-card.hidden { display: none; }
.industry-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.industry-card .ic-top { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 0.8rem; }
.ic-icon { font-size: 1.6rem; color:var(--text-dark); width: 32px; text-align:center;}
.ic-name { font-weight: 700; font-size: 0.95rem; }
.ic-region { font-size: 0.72rem; font-weight: 600; padding: 0.15rem 0.5rem; border-radius: 10px; }
.ic-region.t { background: var(--taoyuan-pale); color: var(--taoyuan-dark); }
.ic-region.a { background: var(--annan-pale); color: var(--annan-dark); }
.ic-desc { font-size: 0.8rem; color: var(--text-mid); line-height: 1.6; }

/* 交通頁面 */
.transport-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.transport-section-title { font-family: 'Noto Serif TC', serif; font-weight: 700; font-size: 1.05rem; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid; }
.transport-section-title.t { border-color: var(--taoyuan-light); color: var(--taoyuan-dark); }
.transport-section-title.a { border-color: var(--annan-light); color: var(--annan-dark); }
.route-list { display: flex; flex-direction: column; gap: 0.6rem; }
.route-item { display: flex; align-items: center; gap: 0.7rem; padding: 0.6rem 0.9rem; border-radius: var(--radius-sm); font-size: 0.83rem; }
.route-item.t { background: var(--taoyuan-bg); }
.route-item.a { background: var(--annan-bg); }
.route-num { font-weight: 700; font-size: 0.8rem; padding: 0.15rem 0.5rem; border-radius: 6px; min-width: 36px; text-align: center; }
.route-num.t { background: var(--taoyuan-primary); color: #fff; }
.route-num.a { background: var(--annan-primary); color: #fff; }

/* PK 頁面 */
.pk-score-hero { background: linear-gradient(135deg, #0f0f1e 0%, #1a2a40 50%, #0d2018 100%); padding: 4rem 1.5rem 3rem; text-align: center; position: relative; overflow: hidden; }
.pk-score-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(61,90,122,0.3), transparent 60%), radial-gradient(ellipse at 70% 50%, rgba(45,122,107,0.3), transparent 60%); }
.pk-score-hero h1 { font-family: 'Noto Serif TC', serif; font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; color: #fff; position: relative; margin-bottom: 0.5rem; display:flex; align-items:center; justify-content:center; gap:0.5rem;}
.pk-score-hero p { color: rgba(255,255,255,0.5); font-size: 0.9rem; position: relative; }
.pk-scoreboard { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: center; margin: 2rem 0; }
.score-team { text-align: center; padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.score-team.t-team { background: linear-gradient(145deg, var(--taoyuan-dark), var(--taoyuan-primary)); }
.score-team.a-team { background: linear-gradient(145deg, var(--annan-dark), var(--annan-primary)); }
.score-team .team-label { font-size: 0.75rem; letter-spacing: 0.15em; color: rgba(255,255,255,0.6); margin-bottom: 0.4rem; }
.score-team .team-name { font-family: 'Noto Serif TC', serif; font-size: 1.4rem; font-weight: 900; color: #fff; margin-bottom: 1rem; }
.score-team .team-score { font-family: 'Playfair Display', serif; font-size: 4.5rem; font-weight: 700; color: #fff; line-height: 1; text-shadow: 0 4px 20px rgba(0,0,0,0.4); }
.score-team .team-badge { margin-top: 0.8rem; display: inline-block; padding: 0.3rem 0.8rem; background: rgba(255,255,255,0.15); border-radius: 20px; font-size: 0.75rem; color: rgba(255,255,255,0.8); }
.vs-center { text-align: center; }
.vs-text { font-family: 'Playfair Display', serif; font-size: 2.5rem; font-weight: 700; color: var(--text-dark); line-height: 1; margin-bottom: 0.5rem; }
.winner-badge { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; color: var(--text-mid); text-transform: uppercase; }

.criteria-section { margin-top: 2rem; }
.criteria-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); margin-bottom: 1rem; }
.criteria-header { padding: 1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; background: #fafafa; border-bottom: 1px solid #f0f0f0; }
.criteria-name { font-weight: 700; font-size: 0.95rem; display: flex; align-items: center; gap: 0.5rem; }
.criteria-scores { display: flex; gap: 1rem; align-items: center; }
.criteria-score-item { text-align: center; }
.criteria-score-item .s-label { font-size: 0.7rem; color: var(--text-mid); }
.criteria-score-item .s-num { font-weight: 700; font-size: 1.1rem; }
.criteria-score-item .s-num.t { color: var(--taoyuan-primary); }
.criteria-score-item .s-num.a { color: var(--annan-primary); }
.criteria-bar-wrap { padding: 1rem 1.5rem; }
.criteria-bar { display: flex; height: 28px; border-radius: 8px; overflow: hidden; background: #eee; position: relative; }
.bar-t { background: linear-gradient(90deg, var(--taoyuan-primary), var(--taoyuan-light)); transition: width 1s cubic-bezier(0.34,1.56,0.64,1); display: flex; align-items: center; justify-content: flex-end; padding-right: 6px; font-size: 0.7rem; color: #fff; font-weight: 700; }
.bar-a { background: linear-gradient(90deg, var(--annan-light), var(--annan-primary)); transition: width 1s cubic-bezier(0.34,1.56,0.64,1); display: flex; align-items: center; justify-content: flex-start; padding-left: 6px; font-size: 0.7rem; color: #fff; font-weight: 700; }

.rating-section { background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); margin-top: 2rem; }
.rating-title { font-family: 'Noto Serif TC', serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 0.4rem; color: var(--text-dark); display:flex; align-items:center; gap:0.5rem;}
.rating-sub { font-size: 0.82rem; color: var(--text-mid); margin-bottom: 1.5rem; }
.slider-group { margin-bottom: 1.5rem; }
.slider-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.slider-name { font-weight: 600; font-size: 0.88rem; }
.slider-val { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 700; }
.slider-val.t { color: var(--taoyuan-primary); }
.slider-val.a { color: var(--annan-primary); }
.slider-track { display: flex; gap: 0.8rem; align-items: center; }
.slider-tag { font-size: 0.72rem; font-weight: 600; min-width: 36px; text-align: center; }
input[type="range"] { -webkit-appearance: none; width: 100%; height: 6px; border-radius: 3px; outline: none; cursor: pointer; }
input[type="range"].t-range { background: linear-gradient(to right, var(--taoyuan-primary) 0%, var(--taoyuan-primary) 50%, #ddd 50%); }
input[type="range"].a-range { background: linear-gradient(to right, var(--annan-primary) 0%, var(--annan-primary) 50%, #ddd 50%); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 2px solid; box-shadow: 0 2px 6px rgba(0,0,0,0.15); cursor: pointer; transition: transform 0.2s; }
input[type="range"].t-range::-webkit-slider-thumb { border-color: var(--taoyuan-primary); }
input[type="range"].a-range::-webkit-slider-thumb { border-color: var(--annan-primary); }
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }
.visitor-total { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid #eee; }
.vt-card { border-radius: var(--radius-sm); padding: 1.2rem; text-align: center; }
.vt-card.t { background: var(--taoyuan-bg); }
.vt-card.a { background: var(--annan-bg); }
.vt-label { font-size: 0.75rem; color: var(--text-mid); margin-bottom: 0.3rem; }
.vt-score { font-family: 'Playfair Display', serif; font-size: 2.5rem; font-weight: 700; }
.vt-score.t { color: var(--taoyuan-primary); }
.vt-score.a { color: var(--annan-primary); }
.auto-result { text-align: center; padding: 1rem; border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem; margin-top: 1rem; }

#back-to-top { position: fixed; bottom: 2rem; right: 2rem; z-index: 999; width: 48px; height: 48px; border-radius: 50%; background: var(--text-dark); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: var(--shadow-lg); opacity: 0; transform: translateY(20px); transition: all 0.3s; pointer-events: none; }
#back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
#back-to-top:hover { background: var(--taoyuan-primary); transform: translateY(-3px); }

footer { background: var(--text-dark); color: rgba(255,255,255,0.5); text-align: center; padding: 2rem 1rem; font-size: 0.78rem; line-height: 1.8; }
footer strong { color: rgba(255,255,255,0.8); }

@media (max-width: 900px) {
  .pk-layout { grid-template-columns: 1fr; }
  .pk-center-col { flex-direction: row; justify-content: center; padding-top: 0; }
  .pk-scoreboard { grid-template-columns: 1fr; gap: 1rem; }
  .vs-center { order: -1; }
  .pop-stats-row, .transport-row { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .hero { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  .hero-divider { top: 50%; }
  .nav-links { display: none; position: fixed; top: 64px; left: 0; right: 0; background: rgba(26,26,46,0.98); flex-direction: column; padding: 1rem; gap: 0.3rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav-links.open { display: flex; }
  .nav-links li a { font-size: 0.95rem; padding: 0.7rem 1rem; }
  .hamburger { display: flex; }
  .pk-layout { grid-template-columns: 1fr; }
  .visitor-total { grid-template-columns: 1fr; }
}

.fade-in { animation: fadeIn 0.6s ease both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.stagger > * { animation: fadeIn 0.5s ease both; }
.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.12s; }
.stagger > *:nth-child(3) { animation-delay: 0.19s; }
.stagger > *:nth-child(4) { animation-delay: 0.26s; }
.section-divider { border: none; height: 1px; background: linear-gradient(90deg, transparent, var(--divider), transparent); margin: 2rem 0; }
/* ===== 統一卡片圖片區塊高度 (解決左右不對齊) ===== */
.pk-image-box {
  display: flex;
  gap: 0.6rem;
  height: 220px; /* 固定高度，強制左右卡片的圖片區塊一樣高 */
  margin-bottom: 1.5rem;
}

.pk-image-box img {
  flex: 1;           /* 讓裡面的圖片自動平分寬度 */
  width: 100%;
  height: 100%;
  object-fit: cover; /* 圖片會自動填滿並裁切，絕對不會變形 */
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* ===== 圖片點擊與燈箱效果 (Lightbox) ===== */
/* 讓卡片內的圖片滑鼠移過去時有放大的互動感 */
.pk-card-body img {
  cursor: pointer;
  transition: transform 0.3s ease, filter 0.3s ease;
}
.pk-card-body img:hover {
  transform: scale(1.03); /* 微微放大 */
  filter: brightness(1.1); /* 微微變亮 */
}

/* 隱藏的燈箱背景容器 */
.lightbox-modal {
  display: none; /* 預設隱藏 */
  position: fixed;
  z-index: 99999; /* 確保在最上層，蓋過導覽列 */
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85); /* 半透明黑底 */
  backdrop-filter: blur(5px); /* 背景模糊效果 */
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* 燈箱內的大圖 */
.lightbox-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  transform: scale(0.8);
  transition: transform 0.3s ease;
  object-fit: contain;
}

/* 燈箱顯示時的動畫效果 */
.lightbox-modal.show {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 1;
}
.lightbox-modal.show .lightbox-content {
  transform: scale(1);
}

/* 圖片下方的說明文字 */
#lightbox-caption {
  margin-top: 15px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-align: center;
}

/* 關閉按鈕 (右上角 X) */
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
}
.lightbox-close:hover,
.lightbox-close:focus {
  color: var(--taoyuan-accent);
  text-decoration: none;
}



#nothing {
  /* 加上透明度只有 3% 的白色背景，製造出極不明顯的色塊 */
  background-color: rgba(255, 255, 255, 0.1); 
  
  /* 讓它有一點點不規則感（可選），或是保持跟其他按鈕一樣的圓角 */
  border-radius: 6px; 
  
  /* 讓這個假瑕疵不要太明顯 */
  box-shadow: none; 
}

/* 當教授真的因為好奇把滑鼠移過去時，再讓它亮起來 */
#nothing:hover {
  background-color: rgba(255, 255, 255, 0.15);
}