/* ===== CSS 變量 ===== */
:root {
  --color-primary: #2D5F4E;
  --color-primary-light: #4A8B73;
  --color-primary-dark: #1F4538;
  --color-bg: #FAF8F5;
  --color-bg-card: #FFFFFF;
  --color-bg-alt: #F3EFE9;
  --color-text: #2C2C2C;
  --color-text-light: #666;
  --color-text-muted: #999;
  --color-border: #E5E0D8;
  --color-link: #2D5F4E;
  --color-link-hover: #1F4538;
  --color-shadow: rgba(0,0,0,0.06);
  --color-shadow-hover: rgba(0,0,0,0.12);
  --color-mark: #FFF3CD;
  --color-ad-bg: #F5F5F0;
  --color-ad-border: #DDD;
  --font-ui: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Segoe UI", sans-serif;
  --font-serif: "Noto Serif TC", Georgia, "Songti TC", "SimSun", serif;
  --max-width: 1200px;
  --reading-width: 720px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
}

[data-theme="dark"] {
  --color-primary: #5DAE8C;
  --color-primary-light: #7BC4A6;
  --color-primary-dark: #3D8B6E;
  --color-bg: #1A1A2E;
  --color-bg-card: #252540;
  --color-bg-alt: #20203A;
  --color-text: #E0E0E8;
  --color-text-light: #A0A0B8;
  --color-text-muted: #707088;
  --color-border: #353560;
  --color-link: #5DAE8C;
  --color-link-hover: #7BC4A6;
  --color-shadow: rgba(0,0,0,0.3);
  --color-shadow-hover: rgba(0,0,0,0.5);
  --color-mark: #4A4A20;
  --color-ad-bg: #20203A;
  --color-ad-border: #353560;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  padding-bottom: 60px;
}
a { color: var(--color-link); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-link-hover); text-decoration: underline; }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }

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

/* ===== 閱讀進度條 ===== */
.reading-progress {
  position: fixed; top: 0; left: 0; width: 0; height: 3px; z-index: 9999;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transition: width 0.1s linear; opacity: 0;
}
.reading-progress.visible { opacity: 1; }

/* ===== 導航欄 ===== */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 3px var(--color-shadow);
}
.navbar-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-left { display: flex; align-items: center; gap: 12px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.25rem; color: var(--color-primary); text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--color-primary); color: #fff; font-size: 1.2rem; font-weight: 700;
}
.nav-menu { display: flex; align-items: center; gap: 4px; flex: 1; margin-left: 16px; }
.nav-menu a {
  padding: 6px 12px; border-radius: var(--radius-sm);
  font-size: 0.9rem; color: var(--color-text-light); white-space: nowrap;
  transition: all var(--transition);
}
.nav-menu a:hover { background: var(--color-bg-alt); color: var(--color-primary); text-decoration: none; }
.nav-menu a.active { background: var(--color-primary); color: #fff; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-search { display: flex; align-items: center; background: var(--color-bg-alt); border-radius: 20px; padding: 2px 8px; }
.nav-search input {
  border: none; background: transparent; outline: none;
  padding: 6px 8px; width: 140px; font-size: 0.85rem; color: var(--color-text);
}
.nav-search button { border: none; background: none; cursor: pointer; font-size: 0.9rem; padding: 4px; }
.theme-toggle {
  border: none; background: var(--color-bg-alt); border-radius: 50%;
  width: 36px; height: 36px; cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
[data-theme="dark"] .icon-light { display: none; }
[data-theme="light"] .icon-dark { display: none; }

/* 漢堡菜單 */
.hamburger {
  display: none; flex-direction: column; justify-content: space-between;
  width: 24px; height: 18px; background: none; border: none; cursor: pointer; padding: 0;
}
.hamburger span { display: block; width: 100%; height: 2px; background: var(--color-text); border-radius: 2px; transition: all var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== 麵包屑 ===== */
.breadcrumb { padding: 10px 0; font-size: 0.85rem; color: var(--color-text-muted); }
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb .sep { margin: 0 6px; color: var(--color-text-muted); }
.breadcrumb .current { color: var(--color-text); }

/* ===== 精選故事 ===== */
.featured-section { margin: 24px 0; }
.section-header { margin-bottom: 16px; }
.section-title { font-size: 1.5rem; font-weight: 700; color: var(--color-text); }
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.featured-card {
  display: flex; flex-direction: column; background: var(--color-bg-card);
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.featured-card:hover { box-shadow: 0 4px 16px var(--color-shadow-hover); transform: translateY(-2px); text-decoration: none; }
.featured-cover { height: 120px; display: flex; align-items: center; justify-content: center; }
.cover-char { font-size: 3rem; font-weight: 700; color: rgba(255,255,255,0.9); font-family: var(--font-serif); }
.cover-char-sm { font-size: 1.5rem; font-weight: 700; color: rgba(255,255,255,0.9); font-family: var(--font-serif); }
.cover-char-lg { font-size: 2.5rem; font-weight: 700; color: rgba(255,255,255,0.9); font-family: var(--font-serif); }
.featured-info { padding: 14px 16px; }
.featured-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.featured-desc { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.featured-meta { display: flex; gap: 8px; font-size: 0.8rem; color: var(--color-text-muted); }
.meta-cat { background: var(--color-bg-alt); padding: 2px 8px; border-radius: 4px; }

/* ===== 分類導航條 ===== */
.cat-nav-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.cat-nav-item {
  display: flex; align-items: center; gap: 4px;
  padding: 6px 14px; border-radius: 20px; background: var(--color-bg-card);
  border: 1px solid var(--color-border); font-size: 0.85rem; color: var(--color-text);
  transition: all var(--transition);
}
.cat-nav-item:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); text-decoration: none; }
.cat-nav-count { font-size: 0.75rem; opacity: 0.7; }

/* ===== 內容佈局 ===== */
.content-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; margin: 24px 0; }
.content-main { min-width: 0; }

/* ===== 故事卡片 ===== */
.story-list { display: flex; flex-direction: column; gap: 12px; }
.story-card {
  background: var(--color-bg-card); border-radius: var(--radius); border: 1px solid var(--color-border);
  overflow: hidden; transition: box-shadow var(--transition);
}
.story-card:hover { box-shadow: 0 4px 16px var(--color-shadow-hover); }
.story-card-link { display: flex; align-items: stretch; }
.story-card-cover { width: 80px; min-height: 100px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.story-card-body { padding: 14px 16px; flex: 1; min-width: 0; }
.story-card-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.story-card-desc { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.story-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.78rem; color: var(--color-text-muted); }
.meta-tag { background: var(--color-bg-alt); padding: 2px 8px; border-radius: 4px; color: var(--color-primary); }
.meta-tag:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.meta-text { color: var(--color-text-muted); }

/* ===== 側邊欄 ===== */
.sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-block { background: var(--color-bg-card); border-radius: var(--radius); border: 1px solid var(--color-border); padding: 16px; }
.sidebar-title { font-size: 1rem; font-weight: 600; margin-bottom: 12px; color: var(--color-text); border-bottom: 2px solid var(--color-primary); padding-bottom: 8px; }
.popular-list { counter-reset: pop; }
.popular-item { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.popular-item:last-child { border-bottom: none; }
.popular-rank { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--color-bg-alt); color: var(--color-text-light); font-size: 0.75rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.popular-item:nth-child(-n+3) .popular-rank { background: var(--color-primary); color: #fff; }
.popular-item a { display: flex; flex-direction: column; gap: 2px; }
.popular-title { font-size: 0.85rem; color: var(--color-text); line-height: 1.4; }
.popular-cat { font-size: 0.72rem; color: var(--color-text-muted); }
.sidebar-cats { display: flex; flex-direction: column; gap: 6px; }
.sidebar-cat-item { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; border-radius: var(--radius-sm); font-size: 0.85rem; color: var(--color-text); transition: background var(--transition); }
.sidebar-cat-item:hover { background: var(--color-bg-alt); color: var(--color-primary); text-decoration: none; }
.sidebar-cat-item.active { background: var(--color-primary); color: #fff; }
.cat-count { font-size: 0.75rem; opacity: 0.7; }

/* ===== 統計 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat-item { text-align: center; padding: 10px 4px; background: var(--color-bg-alt); border-radius: var(--radius-sm); }
.stat-num { display: block; font-size: 1.2rem; font-weight: 700; color: var(--color-primary); }
.stat-label { display: block; font-size: 0.72rem; color: var(--color-text-muted); margin-top: 2px; }

/* ===== 廣告位 ===== */
.ad-container { margin: 16px 0; }
.ad-slot {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  margin: 16px auto; text-align: center;
}
.ad-placeholder {
  border: 2px dashed var(--color-ad-border); border-radius: var(--radius-sm);
  background: var(--color-ad-bg); color: var(--color-text-muted);
  width: 100%; max-width: 728px; min-height: 90px;
}
.ad-label { font-size: 0.7rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px; }
.ad-name { font-size: 0.85rem; color: var(--color-text-light); }
.ad-dim { font-size: 0.75rem; color: var(--color-text-muted); }
.ad-infeed-wrap .ad-placeholder { min-height: 120px; }
.ad-inline-wrap { margin: 24px 0; }

/* ===== 分頁 ===== */
.pagination { margin: 24px 0; }
.pagination ul { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; list-style: none; }
.pagination li a, .pagination li span {
  display: flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-bg-card); color: var(--color-text);
  font-size: 0.85rem; transition: all var(--transition);
}
.pagination li a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); text-decoration: none; }
.pagination li.active span { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination li.ellipsis span { border: none; background: none; }

/* ===== 故事閱讀頁 ===== */
.story-article { max-width: var(--reading-width); margin: 0 auto; }
.article-header { margin-bottom: 24px; }
.article-title { font-size: 1.75rem; font-weight: 700; line-height: 1.3; color: var(--color-text); margin-bottom: 12px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: 0.85rem; color: var(--color-text-muted); }
.meta-item { color: var(--color-text-light); }
.meta-item a { color: var(--color-link); font-weight: 500; }
.meta-sep { color: var(--color-text-muted); margin: 0 2px; }

.article-toolbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; margin-bottom: 16px; border-bottom: 1px solid var(--color-border); }
.font-size-ctrl { display: flex; align-items: center; gap: 8px; }
.ctrl-label { font-size: 0.85rem; color: var(--color-text-muted); }
.font-btn { border: 1px solid var(--color-border); background: var(--color-bg-card); border-radius: var(--radius-sm); padding: 4px 12px; cursor: pointer; font-size: 0.85rem; color: var(--color-text); transition: all var(--transition); }
.font-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.bookmark-btn { display: flex; align-items: center; gap: 6px; border: 1px solid var(--color-border); background: var(--color-bg-card); border-radius: var(--radius-sm); padding: 4px 14px; cursor: pointer; font-size: 0.85rem; color: var(--color-text); transition: all var(--transition); }
.bookmark-btn:hover { background: var(--color-bg-alt); }
.bookmark-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.bookmark-icon { font-size: 1rem; }

/* 正文 */
.article-content {
  font-family: var(--font-serif); font-size: 18px; line-height: 1.9;
  color: var(--color-text); padding: 0;
}
.article-content p { margin-bottom: 1.2em; text-indent: 2em; }
.article-content p br { display: block; }

/* 字號調節 */
.article-content.font-sm { font-size: 16px; }
.article-content.font-md { font-size: 18px; }
.article-content.font-lg { font-size: 20px; }
.article-content.font-xl { font-size: 22px; }

/* 標籤 */
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; padding-top: 16px; border-top: 1px solid var(--color-border); }
.tag-link { padding: 4px 12px; border-radius: 16px; background: var(--color-bg-alt); font-size: 0.82rem; color: var(--color-text-light); transition: all var(--transition); }
.tag-link:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* 相關推薦 */
.related-section { margin: 32px 0; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.related-card { display: flex; align-items: center; gap: 12px; padding: 12px; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-sm); transition: box-shadow var(--transition); }
.related-card:hover { box-shadow: 0 2px 8px var(--color-shadow-hover); text-decoration: none; }
.related-cover { width: 48px; height: 48px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.related-info { min-width: 0; }
.related-title { font-size: 0.9rem; font-weight: 600; color: var(--color-text); line-height: 1.3; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-author { font-size: 0.75rem; color: var(--color-text-muted); }
.related-meta { font-size: 0.75rem; color: var(--color-text-muted); }

/* ===== 頁面標題區 ===== */
.page-header-block { padding: 24px 0; }
.page-title { font-size: 1.75rem; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.page-desc { font-size: 0.95rem; color: var(--color-text-light); margin-bottom: 8px; }
.page-count { font-size: 0.85rem; color: var(--color-text-muted); }
.author-dynasty { font-size: 1rem; color: var(--color-primary); margin-bottom: 8px; }

/* ===== 分類網格 ===== */
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 20px 0; }
.category-card { background: var(--color-bg-card); border-radius: var(--radius); border: 1px solid var(--color-border); overflow: hidden; transition: box-shadow var(--transition), transform var(--transition); }
.category-card:hover { box-shadow: 0 4px 16px var(--color-shadow-hover); transform: translateY(-2px); text-decoration: none; }
.category-card-cover { height: 80px; display: flex; align-items: center; justify-content: center; }
.category-card-body { padding: 12px 14px; }
.category-card-title { font-size: 1rem; font-weight: 600; margin-bottom: 4px; color: var(--color-text); }
.category-card-desc { font-size: 0.78rem; color: var(--color-text-light); margin-bottom: 6px; line-height: 1.4; }
.category-card-count { font-size: 0.78rem; color: var(--color-primary); font-weight: 500; }

/* ===== 標籤雲 ===== */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud-item { padding: 4px 12px; border-radius: 16px; background: var(--color-bg-alt); font-size: 0.82rem; color: var(--color-text-light); transition: all var(--transition); }
.tag-cloud-item:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.tag-cloud-item.active { background: var(--color-primary); color: #fff; }
.tag-cloud-page { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.tag-cloud-page .tag-cloud-item { font-size: 0.9rem; padding: 6px 16px; }
.tag-count { font-size: 0.72rem; opacity: 0.7; margin-left: 4px; }

/* ===== 搜索頁 ===== */
.search-page { }
.search-hero { text-align: center; padding: 32px 0; }
.search-form-large { display: flex; gap: 8px; max-width: 500px; margin: 16px auto 0; }
.search-input-large { flex: 1; padding: 12px 16px; border: 2px solid var(--color-border); border-radius: var(--radius); font-size: 1rem; color: var(--color-text); background: var(--color-bg-card); outline: none; transition: border var(--transition); }
.search-input-large:focus { border-color: var(--color-primary); }
.search-submit-large { padding: 12px 24px; border: none; border-radius: var(--radius); background: var(--color-primary); color: #fff; font-size: 0.95rem; cursor: pointer; transition: background var(--transition); }
.search-submit-large:hover { background: var(--color-primary-dark); }
.search-result-info { padding: 12px 0; font-size: 0.95rem; color: var(--color-text-light); }
.empty-state { text-align: center; padding: 48px 20px; }
.empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-text { font-size: 1rem; color: var(--color-text-muted); }
.search-suggest { margin: 24px 0; }
.search-suggest h3 { font-size: 1.1rem; margin-bottom: 12px; }
.search-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.search-tags a { padding: 6px 14px; border-radius: 16px; background: var(--color-bg-alt); font-size: 0.85rem; color: var(--color-text-light); }
.search-tags a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* 高亮 */
mark { background: var(--color-mark); color: inherit; border-radius: 2px; padding: 0 2px; }

/* ===== 關於頁 ===== */
.about-page { max-width: var(--reading-width); margin: 0 auto; }
.about-hero { text-align: center; padding: 32px 0; }
.about-tagline { font-size: 1.1rem; color: var(--color-primary); margin-top: 8px; }
.about-content { }
.about-section { margin-bottom: 32px; }
.about-section h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 12px; color: var(--color-text); padding-bottom: 8px; border-bottom: 1px solid var(--color-border); }
.about-section p { margin-bottom: 10px; line-height: 1.8; color: var(--color-text-light); }
.about-section ul { padding-left: 20px; list-style: disc; }
.about-section ul li { margin-bottom: 6px; line-height: 1.8; color: var(--color-text-light); }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.about-stat { text-align: center; padding: 16px 8px; background: var(--color-bg-alt); border-radius: var(--radius); }
.about-cats { display: flex; flex-wrap: wrap; gap: 10px; }
.about-cat-item { padding: 8px 16px; border-radius: 20px; background: var(--color-bg-alt); font-size: 0.88rem; color: var(--color-text); display: flex; align-items: center; gap: 6px; }
.about-cat-item:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* ===== 404 ===== */
.error-page { text-align: center; padding: 60px 20px; }
.error-code { font-size: 6rem; font-weight: 700; color: var(--color-primary); line-height: 1; }
.error-title { font-size: 1.5rem; font-weight: 600; margin: 16px 0 8px; color: var(--color-text); }
.error-desc { font-size: 1rem; color: var(--color-text-light); margin-bottom: 24px; }
.error-actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 32px; }
.btn-primary { padding: 10px 24px; border-radius: var(--radius); background: var(--color-primary); color: #fff; font-size: 0.9rem; transition: background var(--transition); }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; color: #fff; }
.btn-secondary { padding: 10px 24px; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-bg-card); color: var(--color-text); font-size: 0.9rem; transition: all var(--transition); }
.btn-secondary:hover { background: var(--color-bg-alt); text-decoration: none; }
.error-cats { }
.error-cats p { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 12px; }
.error-cat-list { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.error-cat-list a { padding: 6px 14px; border-radius: 16px; background: var(--color-bg-alt); font-size: 0.85rem; color: var(--color-text-light); }
.error-cat-list a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* ===== 頁腳 ===== */
.footer { background: var(--color-bg-card); border-top: 1px solid var(--color-border); padding: 40px 0 80px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; color: var(--color-primary); margin-bottom: 8px; }
.footer-desc { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.6; }
.footer-col h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 12px; color: var(--color-text); }
.footer-col ul { }
.footer-col ul li { margin-bottom: 6px; }
.footer-col ul li a { font-size: 0.85rem; color: var(--color-text-light); }
.footer-bottom { border-top: 1px solid var(--color-border); margin-top: 24px; padding-top: 16px; text-align: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 4px; }
.footer-disclaimer { font-size: 0.75rem !important; opacity: 0.7; }

/* ===== 移動端底部 Tab ===== */
.mobile-tab {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  display: none; justify-content: space-around; align-items: center;
  background: var(--color-bg-card); border-top: 1px solid var(--color-border);
  height: 56px; padding-bottom: env(safe-area-inset-bottom);
}
.tab-item { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 0.7rem; color: var(--color-text-muted); padding: 4px 12px; cursor: pointer; }
.tab-item.active { color: var(--color-primary); }
.tab-item:hover { text-decoration: none; }
.tab-icon { font-size: 1.2rem; }

/* ===== 收藏面板 ===== */
.bookmark-panel {
  position: fixed; top: 0; right: -320px; width: 320px; height: 100vh; z-index: 2000;
  background: var(--color-bg-card); box-shadow: -4px 0 16px var(--color-shadow);
  transition: right var(--transition); overflow-y: auto;
}
.bookmark-panel.open { right: 0; }
.bookmark-panel-header { display: flex; justify-content: space-between; align-items: center; padding: 16px; border-bottom: 1px solid var(--color-border); }
.bookmark-panel-header h3 { font-size: 1.1rem; font-weight: 600; }
.bookmark-close { border: none; background: none; cursor: pointer; font-size: 1.1rem; color: var(--color-text-muted); }
.bookmark-list { padding: 12px 16px; }
.bookmark-empty { text-align: center; color: var(--color-text-muted); padding: 24px; font-size: 0.9rem; }
.bookmark-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.bookmark-item-title { font-size: 0.88rem; color: var(--color-text); }
.bookmark-item-remove { border: none; background: none; cursor: pointer; color: var(--color-text-muted); font-size: 0.9rem; }
.bookmark-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.4); z-index: 1500; display: none; }
.bookmark-overlay.show { display: block; }

/* ===== 回到頂部 ===== */
.back-to-top {
  position: fixed; bottom: 80px; right: 20px; z-index: 900;
  width: 44px; height: 44px; border-radius: 50%; border: none;
  background: var(--color-primary); color: #fff; font-size: 1.2rem;
  cursor: pointer; opacity: 0; visibility: hidden; transition: all var(--transition);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* ===== 響應式 ===== */
@media (max-width: 1024px) {
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed; top: 60px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--color-bg-card); border-bottom: 1px solid var(--color-border);
    padding: 8px; transform: translateY(-200%); transition: transform var(--transition); z-index: 999;
    max-height: calc(100vh - 60px); overflow-y: auto;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu a { padding: 12px 16px; border-radius: 0; border-bottom: 1px solid var(--color-border); }
  .nav-menu a.active { border-radius: 0; }
  .nav-search { display: none; }
  .sidebar { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .mobile-tab { display: flex; }
  body { padding-bottom: 60px; }
  .footer { padding-bottom: 80px; }
  .article-title { font-size: 1.4rem; }
  .article-content { font-size: 16px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .navbar-inner { padding: 0 12px; gap: 8px; }
  .logo-text { display: none; }
}

@media (max-width: 480px) {
  .story-card-link { flex-direction: row; }
  .story-card-cover { width: 60px; min-height: 80px; }
  .cover-char { font-size: 2rem; }
  .article-title { font-size: 1.25rem; }
  .article-content { font-size: 16px; }
  .back-to-top { bottom: 70px; right: 12px; width: 40px; height: 40px; }
}

/* ===== 滾動條 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb { background: var(--color-text-muted); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-light); }

/* ===== 選中文字 ===== */
::selection { background: var(--color-primary); color: #fff; }