/*
Theme Name: 爱郑州导航 (5izhengzhou Nav)
Theme URI: https://www.5izhengzhou.com
Author: 5izhengzhou
Author URI: https://www.5izhengzhou.com
Description: 仿「一为导航」风格的本地网址导航主题，为「我爱郑州」定制。内置网址收录类型（CPT）、分类侧栏锚点、多引擎搜索、暗黑模式、移动端抽屉菜单，首页每栏目展示 12 个站点（带更多按钮）、栏目页分页浏览、/go/ 站内跳转页与访问量统计，并预置郑州本地常用站点数据。
Version: 1.1.1
Requires at least: 5.9
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: 5zz-nav
*/

/* ========== 设计变量 ========== */
:root {
  --bg: #f4f6fb;
  --bg-soft: #eef1f7;
  --card: #ffffff;
  --text: #2c3345;
  --muted: #8a93a6;
  --border: #e8ecf3;
  --primary: #2f6bff;
  --primary-soft: rgba(47, 107, 255, 0.10);
  --accent: #ff7a45;
  --shadow: 0 4px 18px rgba(30, 42, 80, 0.06);
  --shadow-hover: 0 10px 26px rgba(30, 42, 80, 0.12);
  --radius: 12px;
  --sidebar-w: 232px;
  --header-h: 64px;
}
[data-theme="dark"] {
  --bg: #171b22;
  --bg-soft: #1d232d;
  --card: #232a35;
  --text: #d7dde8;
  --muted: #7c8698;
  --border: #2e3745;
  --primary: #4d84ff;
  --primary-soft: rgba(77, 132, 255, 0.14);
  --shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 10px 26px rgba(0, 0, 0, 0.4);
}

/* ========== 基础 ========== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
::selection { background: var(--primary); color: #fff; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== 顶部导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--card);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}
.logo .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), #7a5cff);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
}
.logo .logo-zheng { color: var(--accent); }
.main-nav { display: flex; gap: 6px; flex: 1; }
.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--muted);
  transition: all 0.2s;
}
.main-nav a:hover,
.main-nav .current-menu-item a {
  color: var(--primary);
  background: var(--primary-soft);
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  transition: all 0.2s;
}
.icon-btn:hover { border-color: var(--primary); color: var(--primary); }
#themeToggle .moon { display: none; }
[data-theme="dark"] #themeToggle .sun { display: none; }
[data-theme="dark"] #themeToggle .moon { display: inline; }
#menuToggle { display: none; }

/* ========== 搜索区 ========== */
.hero {
  padding: 48px 0 36px;
  text-align: center;
  background:
    radial-gradient(600px 200px at 20% 0%, var(--primary-soft), transparent),
    radial-gradient(600px 200px at 80% 0%, rgba(255, 122, 69, 0.10), transparent);
}
.hero h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: 1px;
}
.hero .hero-sub { color: var(--muted); font-size: 15px; margin-bottom: 24px; }
.hero .hero-sub b { color: var(--accent); font-weight: 600; }
.search-box {
  max-width: 640px;
  margin: 0 auto;
}
.engine-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 14px;
}
.engine-tab {
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}
.engine-tab.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.search-form-wrap {
  display: flex;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 999px;
  padding: 6px 6px 6px 22px;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}
.search-form-wrap:focus-within { border-color: var(--primary); }
.search-form-wrap input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 15px;
  color: var(--text);
  min-width: 0;
}
.search-form-wrap button {
  border: none;
  background: var(--primary);
  color: #fff;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.search-form-wrap button:hover { opacity: 0.88; }

/* ========== 布局：侧栏 + 内容 ========== */
.layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 10px 0 60px;
}
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-h) + 16px);
}
.cat-nav {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow);
}
.cat-nav .cat-nav-title {
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  letter-spacing: 2px;
}
.cat-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14px;
  color: var(--text);
  transition: all 0.15s;
}
.cat-nav a .cat-ico { font-size: 16px; width: 20px; text-align: center; }
.cat-nav a .count {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 0 8px;
}
.cat-nav a:hover { background: var(--bg-soft); color: var(--primary); }
.cat-nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.sidebar-notice {
  margin-top: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--muted);
  box-shadow: var(--shadow);
}
.sidebar-notice b { color: var(--accent); }

/* ========== 内容区 ========== */
.content { flex: 1; min-width: 0; }
.cat-section { margin-bottom: 34px; scroll-margin-top: calc(var(--header-h) + 20px); }
.cat-section .section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.cat-section .section-head .ico {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.cat-section h2 { margin: 0; font-size: 18px; }
.cat-section .section-head .num { color: var(--muted); font-size: 13px; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}
.site-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
  overflow: hidden;
}
.site-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}
.site-card .site-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  flex-shrink: 0;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  overflow: hidden;
}
.site-card .site-icon img { width: 28px; height: 28px; object-fit: contain; }
.site-card .site-info { min-width: 0; }
.site-card .site-name {
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-card .site-desc {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.empty-tip {
  padding: 40px 0;
  text-align: center;
  color: var(--muted);
}

/* ========== 内页 / 文章 ========== */
.page-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 34px;
  box-shadow: var(--shadow);
  margin: 24px 0 60px;
}
.page-wrap h1 { margin-top: 0; }
.single-site {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.single-site .big-icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
}
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 10px 26px;
  border-radius: 999px;
  font-size: 15px;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.88; }
.archive-head { margin: 24px 0 18px; }
.archive-head h1 { margin: 0 0 4px; font-size: 22px; }
.archive-head p { margin: 0; color: var(--muted); font-size: 14px; }

/* ========== 页脚 ========== */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--card);
  padding: 22px 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
.site-footer a:hover { color: var(--primary); }

/* ========== 回到顶部 ========== */
#backTop {
  position: fixed;
  right: 24px;
  bottom: 30px;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 17px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  z-index: 99;
}
#backTop.show { opacity: 1; pointer-events: auto; }
#backTop:hover { color: var(--primary); border-color: var(--primary); }

/* ========== 移动端 ========== */
@media (max-width: 900px) {
  #menuToggle { display: flex; }
  .main-nav { display: none; }
  .hero { padding: 30px 0 24px; }
  .hero h1 { font-size: 22px; }
  .layout { display: block; }
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    width: 264px;
    background: var(--card);
    z-index: 90;
    padding: 14px;
    overflow-y: auto;
    transform: translateX(-105%);
    transition: transform 0.28s ease;
    box-shadow: var(--shadow-hover);
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  .sidebar-mask {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    background: rgba(0, 0, 0, 0.4);
    z-index: 80;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
  }
  body.sidebar-open .sidebar-mask { opacity: 1; pointer-events: auto; }
  .page-wrap { padding: 22px 18px; }
}

/* ========== 栏目「更多」按钮 ========== */
.more-link {
  margin-left: auto;
  font-size: 13px;
  color: var(--muted);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  transition: all 0.2s;
  flex-shrink: 0;
}
.more-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-soft);
}

/* ========== 跳转页 ========== */
.goto-wrap {
  max-width: 520px;
  margin: 60px auto;
  text-align: center;
  padding: 46px 34px;
}
.goto-badge {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.goto-title { margin: 0 0 8px; font-size: 22px; }
.goto-meta { color: var(--muted); font-size: 14px; margin: 0 0 26px; }
.goto-meta b { color: var(--primary); font-weight: 600; }
.goto-countdown {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 26px;
}
.goto-countdown #gotoCount {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  margin-right: 4px;
}
.goto-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.btn-ghost {
  display: inline-block;
  padding: 10px 26px;
  border-radius: 999px;
  font-size: 15px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--card);
  transition: all 0.2s;
}
.btn-ghost:hover { color: var(--primary); border-color: var(--primary); }
.goto-warn { color: var(--muted); font-size: 12px; margin: 0; }