/* ═══════════ 冬季主题变量 ═══════════ */
:root {
  --primary: #1e6ba8;
  --primary-hover: #155a8f;
  --primary-light: #e8f4fc;
  --accent: #00bcd4;
  --accent-light: #e0f7fa;
  --ice: #b3e5fc;
  --frost: #f8fbff;
  --text: #1a2b3f;
  --text-secondary: #5a7085;
  --text-tertiary: #94a9bd;
  --bg: #eef5fb;
  --card-bg: #ffffff;
  --border: #d6e6f2;
  --border-hover: #a8cde6;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow-sm: 0 1px 3px rgba(30,107,168,0.06);
  --shadow-md: 0 4px 16px rgba(30,107,168,0.08);
  --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 10%, rgba(0,188,212,0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(30,107,168,0.04) 0%, transparent 45%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }

/* ═══════════ 雪花飘落 ═══════════ */
.snow-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.snowflake {
  position: absolute;
  top: -20px;
  color: #fff;
  text-shadow: 0 0 6px rgba(0,188,212,0.4);
  animation: snowfall linear infinite;
  user-select: none;
  opacity: 0.75;
}
@keyframes snowfall {
  0% { transform: translateY(-20px) rotate(0deg); opacity: 0; }
  10% { opacity: 0.75; }
  90% { opacity: 0.6; }
  100% { transform: translateY(105vh) rotate(360deg); opacity: 0; }
}

/* ═══════════ 顶部栏 ═══════════ */
.top-bar {
  position: relative;
  z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.top-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-left a, .top-right a { margin-right: 16px; color: var(--text-secondary); }
.top-right a { margin: 0 0 0 16px; }
.top-right { display: flex; align-items: center; gap: 6px; }
#clockDisplay { color: var(--text-tertiary); }

/* ═══════════ 头部 ═══════════ */
.site-header {
  position: relative;
  z-index: 10;
  background: linear-gradient(180deg, #ffffff 0%, #f0f8ff 100%);
  padding: 22px 0 18px;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.logo-area {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 0;
}
.logo {
  display: flex;
  align-items: baseline;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1;
  font-family: "Arial Black", "PingFang SC", sans-serif;
}
.logo-snow {
  font-size: 22px;
  margin-right: 6px;
  color: var(--accent);
  filter: drop-shadow(0 0 4px rgba(0,188,212,0.5));
  animation: spin 8s linear infinite;
  transform-origin: center;
}
@keyframes spin { to { transform: rotate(360deg); } }

.lg-1 { color: #1e6ba8; }
.lg-2 { color: #00bcd4; }
.lg-3 { color: #0288d1; }
.lg-4 { color: #00bcd4; }
.lg-5 { color: #1e6ba8; }

.logo-sub {
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 4px;
  margin-top: 5px;
  padding-left: 30px;
  font-weight: 400;
}

/* 搜索区 */
.search-area { flex: 1; min-width: 0; }
.search-tabs { display: flex; gap: 0; margin-bottom: -1px; }
.search-tab {
  padding: 5px 16px;
  font-size: 12px;
  border: 1px solid var(--border);
  border-bottom: none;
  background: #f0f5fa;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 5px 5px 0 0;
  margin-right: -1px;
  font-family: inherit;
  transition: var(--transition);
}
.search-tab.active {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  border-bottom: 1px solid #fff;
  position: relative;
  z-index: 1;
}
.search-box {
  display: flex;
  align-items: center;
  border: 2px solid var(--primary);
  border-radius: 0 6px 6px 6px;
  background: #fff;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.search-box:focus-within {
  box-shadow: 0 0 0 4px rgba(30,107,168,0.12);
}
.search-icon {
  padding: 0 12px;
  font-size: 14px;
  color: var(--accent);
}
.search-box input {
  flex: 1;
  padding: 10px 0;
  border: none;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: transparent;
}
.search-box button {
  padding: 10px 26px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 1px;
  transition: filter 0.2s;
}
.search-box button:hover { filter: brightness(1.1); }

.hot-words {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hot-words span { color: var(--accent); font-weight: 600; }
.hot-words a { color: var(--text-secondary); }
.hot-words a:hover { color: var(--primary); }

/* ═══════════ 主内容 ═══════════ */
.main-content {
  position: relative;
  z-index: 5;
  max-width: 1200px;
  margin: 16px auto;
  padding: 0 20px;
}

/* ═══════════ 区块通用 ═══════════ */
.block {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s;
}
.block:hover { box-shadow: var(--shadow-md); }
.block-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 4px solid var(--primary);
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 双栏布局（天气+万年历） */
.block-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.block-row .block { margin-bottom: 0; }
.block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.block-title-inline {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 4px;
}

@media (max-width: 900px) {
  .block-row { grid-template-columns: 1fr; }
}

/* ═══════════ ① 娱乐热搜 ═══════════ */
.ent-tabs {
  display: flex;
  gap: 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.ent-tab {
  padding: 3px 14px;
  font-size: 11.5px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f5f9fc;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}
.ent-tab:hover { border-color: var(--accent); color: var(--primary); }
.ent-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-color: var(--primary);
  font-weight: 700;
}
.ent-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}
.ent-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 12.5px;
  border-bottom: 1px dashed #eef5fb;
  overflow: hidden;
}
.ent-item:last-child { border-bottom: none; }
.ent-num {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--text-tertiary);
  font-style: italic;
}
.ent-item:nth-child(1) .ent-num { background: #e5484d; }
.ent-item:nth-child(2) .ent-num { background: #f76b15; }
.ent-item:nth-child(3) .ent-num { background: #fbbf24; }
.ent-item:nth-child(1) .ent-text,
.ent-item:nth-child(2) .ent-text,
.ent-item:nth-child(3) .ent-text { color: #c4501f; font-weight: 700; }
.ent-text {
  flex: 1; min-width: 0;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.15s;
}
.ent-text:hover { color: var(--primary); }
.ent-hot { flex-shrink: 0; font-size: 10.5px; color: var(--text-tertiary); }

/* ═══════════ ② 热门聚焦 ═══════════ */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.focus-card {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  height: 110px;
  border: 1px solid var(--border);
}
.focus-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}
.focus-bg {
  position: absolute;
  inset: 0;
  background-size: 200% 200%;
  transition: background-position 0.5s;
}
.focus-card:hover .focus-bg { background-position: 100% 100%; }
.focus-bg-1 { background: linear-gradient(135deg, #0c2d48 0%, #1e6ba8 50%, #00bcd4 100%); }
.focus-bg-2 { background: linear-gradient(135deg, #1a3a5c 0%, #2c7fb8 50%, #4dd0e1 100%); }
.focus-bg-3 { background: linear-gradient(135deg, #2c3e50 0%, #4a6572 50%, #7ab8d4 100%); }
.focus-bg-4 { background: linear-gradient(135deg, #0d3b66 0%, #1e6ba8 50%, #4fa8d8 100%); }
.focus-bg-5 { background: linear-gradient(135deg, #21415c 0%, #3a6b8c 50%, #78b8d8 100%); }
.focus-bg-6 { background: linear-gradient(135deg, #1e4d6b 0%, #2c7fb8 50%, #6cc5e0 100%); }
.focus-content {
  position: absolute;
  inset: 0;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.focus-tag {
  align-self: flex-start;
  font-size: 9px;
  padding: 2px 8px;
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 1px;
  backdrop-filter: blur(4px);
}
.focus-title {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 4px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.focus-meta {
  font-size: 10.5px;
  color: rgba(255,255,255,0.85);
}

/* ═══════════ ③ 天气 ═══════════ */
.city-search { display: flex; gap: 4px; }
.city-search input {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-size: 11px;
  font-family: inherit;
  outline: none;
  width: 90px;
}
.city-search input:focus { border-color: var(--primary); }
.city-search button {
  padding: 3px 10px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}
.city-search button:hover { background: var(--primary-hover); }

.weather-content {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 4px 0 10px;
}
.weather-icon { font-size: 28px; line-height: 1; }
.weather-temp {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--primary);
}
.weather-city-name { font-size: 12px; font-weight: 600; margin-bottom: 2px; }
.weather-desc { font-size: 11px; color: var(--text-secondary); }
.weather-extra {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}
.weather-loading { font-size: 12px; color: var(--text-tertiary); padding: 8px 0; }
.weather-forecast {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.forecast-day {
  text-align: center;
  padding: 6px 2px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.forecast-day:hover { background: var(--primary-light); }
.forecast-day .fd-name { font-size: 10px; color: var(--text-tertiary); margin-bottom: 3px; }
.forecast-day .fd-icon { font-size: 14px; }
.forecast-day .fd-temp { font-size: 10px; color: var(--text-secondary); margin-top: 2px; }

/* ═══════════ ④ 万年历 ═══════════ */
.calendar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}
.cal-btn {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  color: var(--text-tertiary);
  border-radius: 4px;
  font-family: inherit;
}
.cal-btn:hover { background: var(--primary-light); color: var(--primary); }
.calendar-lunar-today {
  font-size: 11px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 8px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  display: inline-block;
}
.calendar-grid { width: 100%; }
.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 10px;
  color: var(--text-tertiary);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.cal-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  margin-top: 4px;
}
.cal-day {
  text-align: center;
  padding: 4px 1px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text);
  cursor: default;
  min-height: 32px;
  transition: var(--transition);
}
.cal-day:hover { background: var(--primary-light); }
.cal-day.other-month { color: var(--text-tertiary); opacity: 0.45; }
.cal-day.today {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 600;
}
.cal-day .lunar-text {
  display: block;
  font-size: 9px;
  line-height: 1.1;
  color: var(--text-tertiary);
  margin-top: 1px;
  transform: scale(0.95);
}
.cal-day.today .lunar-text { color: rgba(255,255,255,0.85); }
.cal-day.festival .lunar-text { color: #e5484d; font-weight: 500; }
.cal-day.today.festival .lunar-text { color: #ffd5d6; }

/* ═══════════ ⑤ 名站导航 ═══════════ */
.famous-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 2px 8px;
}
.famous-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--text-secondary);
  transition: var(--transition);
  overflow: hidden;
}
.famous-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.famous-icon {
  width: 16px; height: 16px; flex-shrink: 0;
  border-radius: 3px;
  object-fit: contain;
  background: #fff;
  padding: 1px;
}
.famous-icon-fb {
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 700;
  color: #fff;
  border-radius: 3px;
  width: 16px; height: 16px;
  flex-shrink: 0;
}
.famous-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* ═══════════ ⑥ 分类导航 ═══════════ */
.category-table { display: flex; flex-direction: column; }
.category-row {
  display: grid;
  grid-template-columns: 76px 1fr 48px;
  gap: 14px;
  align-items: start;
  padding: 9px 0;
  border-bottom: 1px dashed #eef5fb;
}
.category-row:last-child { border-bottom: none; }
.category-name {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary);
  padding-top: 1px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.cat-icon { font-size: 13px; }
.category-sites {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 12px;
  font-size: 12.5px;
  line-height: 1.75;
}
.category-sites a {
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
}
.category-sites a:hover { color: var(--primary); }
.category-more {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: right;
  padding-top: 2px;
  white-space: nowrap;
}
.category-more:hover { color: var(--primary); }

/* ═══════════ ⑦ 实用工具 ═══════════ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
}
.tool-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
  background: #fafcfe;
  transition: var(--transition);
}
.tool-item:hover {
  background: var(--primary-light);
  border-color: var(--border-hover);
  color: var(--primary);
  transform: translateY(-1px);
}
.tool-icon { font-size: 16px; }

/* ═══════════ ⑧ 全站链接地图 ═══════════ */
.linkmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px 28px;
}
.lm-group-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  padding-bottom: 5px;
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 4px;
}
.lm-group-title::before { content: "❄"; color: var(--accent); font-size: 11px; }
.lm-group-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.lm-group-list a {
  font-size: 12px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.lm-group-list a:hover { color: var(--primary); padding-left: 3px; }

/* ═══════════ 页脚 ═══════════ */
.site-footer {
  position: relative;
  z-index: 5;
  background: linear-gradient(180deg, #f0f8ff 0%, #dceaf7 100%);
  border-top: 1px solid var(--border);
  padding: 22px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
}
.footer-brand {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.footer-links { margin-bottom: 8px; }
.footer-links a { color: var(--text-secondary); margin: 0 6px; }
.footer-links a:hover { color: var(--primary); }

/* ═══════════ 返回顶部 ═══════════ */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  font-size: 15px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  z-index: 99;
  transition: var(--transition);
}
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-color: transparent;
}

/* ═══════════ 响应式 ═══════════ */
@media (max-width: 900px) {
  .header-inner { flex-direction: column; gap: 14px; align-items: stretch; }
  .logo-area { align-items: center; }
  .logo-sub { padding-left: 0; }
  .linkmap-grid { grid-template-columns: repeat(2, 1fr); }
  .focus-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .main-content { padding: 0 12px; }
  .block { padding: 12px 14px; }
  .famous-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .ent-list { grid-template-columns: 1fr; }
  .focus-grid { grid-template-columns: 1fr; }
  .focus-card { height: 90px; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .linkmap-grid { grid-template-columns: 1fr; }
  .category-row { grid-template-columns: 64px 1fr; gap: 8px; }
  .category-more { display: none; }
  .weather-forecast { grid-template-columns: repeat(4, 1fr); }
}