/* ===== Pet Blog Theme ===== */
:root {
  --primary: #e8734a;
  --primary-dark: #c95a32;
  --secondary: #4a9e7e;
  --accent: #f4c430;
  --bg: #faf8f5;
  --bg-card: #ffffff;
  --text: #2d2d2d;
  --text-light: #6b6b6b;
  --border: #e8e4df;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 16px;
  --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

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

/* ===== Header ===== */
.site-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-logo .paw { font-size: 1.8rem; }
.site-nav { display: flex; gap: 24px; }
.site-nav a {
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s;
}
.site-nav a:hover { color: white; transform: translateY(-1px); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #fff5ef 0%, #ffe8d9 100%);
  padding: 60px 24px;
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px;
}

/* ===== Category Filter ===== */
.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
  justify-content: center;
}
.cat-btn {
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 30px;
  background: white;
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.cat-btn:hover, .cat-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ===== Post Grid ===== */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.post-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  border: 3px solid transparent;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.post-card-thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.post-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-card-cat {
  display: inline-block;
  background: #fff0e8;
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 10px;
  align-self: flex-start;
}
.post-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.post-card-body::after {
  content: "閱讀更多 →";
  display: inline-block;
  margin-top: 12px;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 600;
  align-self: flex-start;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.post-card:hover .post-card-body::after {
  border-bottom-color: var(--primary);
  letter-spacing: 1px;
}
.post-card-meta {
  margin-top: 12px;
  font-size: 0.8rem;
  color: #aaa;
  display: flex;
  justify-content: space-between;
}

/* ===== Single Post ===== */
.post-header {
  text-align: center;
  margin-bottom: 36px;
}
.post-category {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.post-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--text);
}
.post-meta {
  color: var(--text-light);
  font-size: 0.9rem;
}
.post-meta span { margin: 0 8px; }

.post-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}
.post-gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}
.post-gallery img:hover { transform: scale(1.02); }

.post-content {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 2;
}
.post-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  color: var(--text);
}
.post-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--text);
}
.post-content p {
  margin-bottom: 18px;
  color: #3a3a3a;
}
.post-content ul, .post-content ol {
  margin: 16px 0 16px 24px;
}
.post-content li { margin-bottom: 8px; }
.post-content blockquote {
  border-left: 4px solid var(--accent);
  background: #fffbf0;
  padding: 16px 24px;
  margin: 24px 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-light);
}
.post-content .highlight-box {
  background: linear-gradient(135deg, #f0faf5 0%, #e8f5ef 100%);
  border: 1px solid #c8e6d4;
  border-radius: 12px;
  padding: 20px 24px;
  margin: 24px 0;
}
.post-content .highlight-box h4 {
  color: var(--secondary);
  margin-bottom: 8px;
}

/* ===== Post Navigation ===== */
.post-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  gap: 20px;
}
.post-nav a {
  flex: 1;
  padding: 16px 20px;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: all 0.2s;
}
.post-nav a:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.post-nav .nav-label { font-size: 0.8rem; color: var(--text-light); }
.post-nav .nav-title { font-weight: 600; color: var(--text); margin-top: 4px; }
.post-nav .next { text-align: right; }

/* ===== Related Posts ===== */
.related-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.related-section h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
}

/* ===== Footer ===== */
.site-footer {
  background: #2d2d2d;
  color: #aaa;
  padding: 40px 24px;
  text-align: center;
  margin-top: 60px;
}
.site-footer a { color: var(--accent); }
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.85rem; }

/* ===== Back to top ===== */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 99;
}
.back-top:hover { background: var(--primary-dark); transform: translateY(-2px); }
.back-top.show { display: flex; }

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.page-btn {
  width: 40px;
  height: 40px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: white;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover, .page-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .post-title { font-size: 1.6rem; }
  .post-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 14px; }
  .site-nav a { font-size: 0.85rem; }
  .post-nav { flex-direction: column; }
  .post-nav .next { text-align: left; }
  .header-inner { flex-direction: column; gap: 12px; }
}

.aio-answer{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-left:4px solid #4caf50;border-radius:8px;padding:16px 20px;margin-bottom:20px;}
.aio-answer p{margin:0;color:#2e7d32;font-weight:500;line-height:1.7;}
.post-gallery-large{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:24px;}
.post-gallery-large img{width:100%;height:180px;object-fit:cover;border-radius:10px;}
.related-reading{background:#f8f9fa;border-radius:10px;padding:16px 20px;margin:20px 0;border:1px solid #e9ecef;}
.related-reading h3{margin-top:0;color:#e67e22;}
.related-reading{background:#fff8f0;border-left:4px solid var(--primary);border-radius:0 12px 12px 0;padding:20px 24px;margin:28px 0;}
.related-reading h3{color:var(--primary);font-size:1.2rem;margin-bottom:12px;}
.related-reading ul{margin:0;padding-left:20px;}
.related-reading li{margin:8px 0;}
.related-reading a{color:var(--primary);text-decoration:none;font-weight:500;padding:4px 8px;border-radius:6px;transition:all 0.2s;display:inline-block;}
.related-reading a:hover{background:var(--primary);color:#fff;text-decoration:none;box-shadow:0 2px 8px rgba(232,115,74,0.3);}
.post-content strong{color:#c0392b;font-weight:600;}
.related-section{margin-top:48px;padding-top:32px;border-top:2px solid var(--border);}
.related-section h3{font-size:1.4rem;color:var(--text);margin-bottom:24px;padding-left:12px;border-left:4px solid var(--primary);}
.post-nav{display:flex;justify-content:space-between;gap:20px;margin:32px 0;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.post-nav a{flex:1;text-decoration:none;color:var(--text);padding:16px 20px;border-radius:12px;border:2px solid transparent;transition:all 0.2s;display:block;}
.post-nav a:hover{border-color:var(--primary);background:#fff8f0;}
.post-nav .nav-label{font-size:0.8rem;color:var(--primary);font-weight:600;margin-bottom:4px;}
.post-nav .nav-title{font-size:1rem;font-weight:600;color:var(--text);}
.post-nav .next{text-align:right;}
.cat-stats-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:32px;}
.cat-stat{background:#fff;border:1px solid #eee;border-radius:10px;padding:10px 18px;display:flex;flex-direction:column;align-items:center;min-width:100px;}
.cat-stat strong{color:#e67e22;font-size:14px;}
.cat-stat span{color:#999;font-size:12px;margin-top:2px;}

/* Dropdown Navigation */
.dropdown{position:relative;display:inline-block;}
.dropbtn{background:none;border:none;color:#333;font-size:15px;cursor:pointer;padding:8px 12px;font-family:inherit;display:flex;align-items:center;gap:4px;transition:color .2s;}
.dropbtn:hover{color:#e67e22;}
.dropbtn .arrow{font-size:10px;transition:transform .2s;}
.dropdown.open .dropbtn .arrow{transform:rotate(180deg);}
.dropdown-content{display:none;position:absolute;top:100%;left:0;background:#fff;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.15);padding:0;min-width:480px;z-index:1000;overflow:hidden;border:1px solid #f0f0f0;}
.dropdown.open .dropdown-content{display:block;animation:dropFade .2s ease;}
@keyframes dropFade{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.dropdown-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:linear-gradient(135deg,#fff5ef,#ffe8d9);border-bottom:1px solid #f0e0d0;}
.dropdown-header span{font-size:13px;color:#999;font-weight:500;}
.view-all{font-size:13px;color:#e67e22;text-decoration:none;font-weight:600;}
.view-all:hover{text-decoration:underline;}
.dropdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;max-height:400px;overflow-y:auto;}
.dropdown-item{display:flex;flex-direction:column;padding:10px 14px;text-decoration:none;border-bottom:1px solid #f8f8f8;transition:background .15s;}
.dropdown-item:hover{background:#fff8f0;}
.di-name{font-size:14px;font-weight:600;color:#333;}
.di-desc{font-size:11px;color:#999;margin-top:2px;}
@media(max-width:600px){.dropdown-content{min-width:300px;left:auto;right:0;}.dropdown-grid{grid-template-columns:1fr;}}