/* ============================================================
 * AI工具集导航模板 - 主样式
 * 主色 #5961f9 / 悬停粉 #ee9ae5 / 支持深色模式
 * ============================================================ */

:root {
  --primary: #5961f9;
  --primary-dark: #4a51e0;
  --pink: #ee9ae5;
  --bg: #f5f6fa;
  --card-bg: #ffffff;
  --text: #374146;
  --text-light: #7a8699;
  --border: #e8eaf1;
  --sidebar-bg: #ffffff;
  --hover-bg: #f2f3fb;
  --active-bg: #e4e5f1;
  --shadow: 0 2px 8px rgba(30, 35, 60, 0.06);
  --radius: 10px;
  --nav-h: 60px;
  --sidebar-w: 260px;
}

html.dark {
  --bg: #2c2e2f;
  --card-bg: #3a3d3e;
  --text: #d6d8d9;
  --text-light: #9aa0a3;
  --border: #4a4d4e;
  --sidebar-bg: #353839;
  --hover-bg: #44474a;
  --active-bg: #4f5255;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

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

img { max-width: 100%; }

.container { width: 100%; margin: 0 auto; padding: 0 24px; }

/* ============ 顶部导航 ============ */
.topbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.topbar-inner {
  width: 100%; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 28px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; color: var(--text); white-space: nowrap;
}
.logo:hover { color: var(--primary); }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 17px; font-weight: 800;
}
.nav-menu { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-menu a {
  color: var(--text); padding: 6px 14px; border-radius: 8px;
  font-size: 15px; white-space: nowrap;
}
.nav-menu a:hover { background: var(--hover-bg); color: var(--primary); }
.nav-menu a.active { color: var(--primary); font-weight: 600; background: var(--hover-bg); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--card-bg);
  color: var(--text); font-size: 17px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .3s;
}
.theme-toggle:hover { transform: rotate(30deg); border-color: var(--primary); }

/* ============ 搜索区 ============ */
.hero {
  padding: 44px 0 30px; text-align: center;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(89, 97, 249, .10), transparent 55%),
    radial-gradient(ellipse at 80% 10%, rgba(238, 154, 229, .10), transparent 55%);
}
.hero h1 { font-size: 26px; font-weight: 700; margin-bottom: 6px; letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: var(--primary); }
.hero p { color: var(--text-light); font-size: 14px; margin-bottom: 24px; }

.search-wrap { position: relative; max-width: 620px; margin: 0 auto; }
.search-box {
  display: flex; align-items: center;
  background: var(--card-bg); border: 2px solid var(--primary);
  border-radius: 40px; padding: 0 6px 0 0; height: 48px;
  box-shadow: 0 4px 18px rgba(89, 97, 249, .18);
  overflow: hidden;
}
.engine-btn {
  display: flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 12px; margin-left: 6px;
  border: none; background: var(--hover-bg); border-radius: 20px;
  color: var(--text); font-size: 13px; cursor: pointer; white-space: nowrap;
}
.engine-btn:hover { color: var(--primary); }
.search-box input {
  flex: 1; border: none; outline: none; background: transparent;
  font-size: 15px; color: var(--text); padding: 0 14px; min-width: 0;
}
.search-box input::placeholder { color: var(--text-light); }
.search-submit {
  height: 38px; padding: 0 22px; border: none; cursor: pointer;
  background: var(--primary); color: #fff; font-size: 14px; border-radius: 24px;
}
.search-submit:hover { background: var(--primary-dark); }

.engine-pop {
  position: absolute; top: 54px; left: 0; width: 240px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0,0,0,.12);
  padding: 8px; display: none; text-align: left; z-index: 50;
}
.engine-pop.show { display: block; }
.engine-pop .eg-title { font-size: 12px; color: var(--text-light); padding: 6px 10px 2px; }
.engine-pop button {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 8px 10px; border: none; background: transparent; border-radius: 8px;
  color: var(--text); font-size: 13px; cursor: pointer;
}
.engine-pop button:hover, .engine-pop button.on { background: var(--hover-bg); color: var(--primary); }

.hot-words { margin-top: 14px; font-size: 13px; color: var(--text-light); }
.hot-words a { color: var(--text-light); margin: 0 6px; }
.hot-words a:hover { color: var(--primary); }

/* ============ 布局：侧栏 + 主区 ============ */
.layout { display: flex; width: 100%; margin: 0 auto; padding: 20px 24px 40px; gap: 20px; }

.sidebar {
  width: var(--sidebar-w); flex: none;
  position: sticky; top: calc(var(--nav-h) + 20px);
  align-self: flex-start;
  background: var(--sidebar-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px; max-height: calc(100vh - var(--nav-h) - 40px);
  overflow-y: auto;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.side-title { font-size: 13px; color: var(--text-light); padding: 8px 12px; }
.sidebar a.side-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px; color: var(--text); font-size: 14px;
  white-space: nowrap;
}
.sidebar a.side-item:hover { background: var(--hover-bg); color: var(--primary); }
.sidebar a.side-item.active { background: var(--active-bg); color: var(--primary); font-weight: 600; }
.sidebar a.side-item .ic { width: 20px; text-align: center; flex: none; }

.main { flex: 1; min-width: 0; }

/* ============ 区块标题 ============ */
.section { margin-bottom: 34px; }
.section-head {
  display: flex; align-items: baseline; gap: 10px;
  border-bottom: 2px solid var(--border); padding-bottom: 10px; margin-bottom: 18px;
}
.section-head h2 { font-size: 19px; font-weight: 700; }
.section-head h2 .ic { margin-right: 6px; }
.section-head .sub { color: var(--text-light); font-size: 13px; }
.section-head .more { margin-left: auto; font-size: 13px; color: var(--text-light); }

.back-btn {
  display: inline-flex; align-items: center; gap: 4px;
  margin-left: 12px; padding: 3px 12px; border-radius: 16px;
  background: var(--hover-bg); color: var(--text-light); font-size: 12px;
  font-weight: 500; text-decoration: none; vertical-align: middle;
  transition: background .2s, color .2s;
}
.back-btn:hover { background: var(--active-bg); color: var(--primary); }
.section-head .more:hover { color: var(--primary); }

/* ============ 工具卡片 ============ */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 14px; }

.tool-card {
  display: block; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 14px; color: var(--text);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  position: relative;
}
.tool-card:hover {
  transform: translateY(-3px); box-shadow: 0 8px 22px rgba(89, 97, 249, .14);
  border-color: var(--primary); color: var(--text);
}
.tool-card .row1 { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.avatar {
  width: 42px; height: 42px; border-radius: 10px; flex: none;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 19px; font-weight: 700;
}
.tool-card .tname { font-size: 15px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool-card .tdesc {
  font-size: 12.5px; color: var(--text-light); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.badge {
  position: absolute; top: 10px; right: 10px; font-size: 11px;
  padding: 1px 7px; border-radius: 20px; font-weight: 500;
}
.badge.hot { background: #ffe9e9; color: #f56c6c; }
.badge.new { background: #e8f7ec; color: #4bb760; }
html.dark .badge.hot { background: #5a2f2f; color: #ff9d9d; }
html.dark .badge.new { background: #2f4a35; color: #8fe3a5; }

/* ============ Tab 切换 ============ */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tabs button {
  padding: 7px 20px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text-light); font-size: 14px; cursor: pointer;
}
.tabs button.on { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ============ 面包屑 ============ */
.crumb { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.crumb a { color: var(--text-light); }
.crumb a:hover { color: var(--primary); }
.crumb .sep { margin: 0 6px; }

/* ============ 详情页 ============ */
.detail-head {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; display: flex; gap: 20px; align-items: flex-start; margin-bottom: 20px;
}
.detail-head .avatar { width: 64px; height: 64px; font-size: 28px; border-radius: 14px; }
.detail-info { flex: 1; min-width: 0; }
.detail-info h1 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.detail-info .d-desc { color: var(--text-light); margin-bottom: 10px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.meta-chip {
  font-size: 12px; padding: 2px 10px; border-radius: 20px;
  background: var(--hover-bg); color: var(--text-light);
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary); color: #fff !important;
  padding: 9px 26px; border-radius: 24px; font-size: 14px;
}
.btn-primary:hover { background: var(--primary-dark); }
.detail-body {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px;
}
.detail-body h3 { font-size: 16px; margin-bottom: 12px; padding-left: 10px; border-left: 4px solid var(--primary); }
.detail-body p { color: var(--text); font-size: 14.5px; line-height: 1.9; margin-bottom: 8px; }

/* ============ 页脚 ============ */
.footer {
  border-top: 1px solid var(--border); background: var(--card-bg);
  padding: 26px 0; text-align: center; color: var(--text-light); font-size: 13px;
}
.footer a { color: var(--text-light); margin: 0 8px; }
.footer a:hover { color: var(--primary); }

/* ============ 移动端适配 ============ */
.menu-toggle { display: none; }
@media (max-width: 960px) {
  .layout { flex-direction: column; }
  .sidebar {
    position: static; width: 100%; max-height: none; order: 0;
  }
  .nav-menu {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--card-bg); flex-direction: column; align-items: stretch;
    padding: 10px; border-bottom: 1px solid var(--border); gap: 2px;
  }
  .nav-menu.open { display: flex; }
  .menu-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--card-bg); color: var(--text); font-size: 18px; cursor: pointer;
    margin-left: auto;
  }
  .topbar-actions { margin-left: auto; }
}

/* ======== 扩展：通用内容页样式 ======== */

/* 文章内容 */
.w1-article { line-height: 1.9; font-size: 15px; }
.w1-article h2 { font-size: 19px; margin: 26px 0 12px; padding-left: 10px; border-left: 4px solid var(--primary); }
.w1-article h3 { font-size: 17px; margin: 20px 0 10px; }
.w1-article p { margin: 10px 0; }
.w1-article ul, .w1-article ol { padding-left: 22px; margin: 10px 0; }
.w1-article li { margin: 6px 0; }
.w1-article img { max-width: 100%; border-radius: 8px; }
.w1-article table { border-collapse: collapse; width: 100%; margin: 12px 0; }
.w1-article td, .w1-article th { border: 1px solid var(--border); padding: 8px 10px; }
.w1-article blockquote { border-left: 4px solid var(--primary); background: var(--bg); margin: 12px 0; padding: 10px 14px; border-radius: 0 8px 8px 0; }

/* 文字列表行（新闻/标签） */
.w1-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 13px 16px; border-bottom: 1px solid var(--border); transition: background .2s; }
.w1-row:hover { background: var(--bg); }
.w1-row .w1-row-title { font-size: 15px; color: var(--text); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.w1-row .w1-row-title:hover { color: var(--primary); }
.w1-row .w1-row-date { font-size: 12px; color: var(--text-light); white-space: nowrap; }
.w1-badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 10px; margin-left: 6px; }
.w1-badge.top { background: #ffe9e9; color: #f56c6c; }
.w1-badge.rec { background: #fff5e6; color: #e6a23c; }
.w1-badge.head { background: #e8f0ff; color: #5b8def; }
html.dark .w1-badge.top { background: #5a2f2f; color: #ff9d9d; }
html.dark .w1-badge.rec { background: #5a4530; color: #ffcf8f; }
html.dark .w1-badge.head { background: #2f3a5a; color: #9db8ff; }

/* 分页 */
.w1-page { margin-top: 26px; text-align: center; font-size: 14px; }
.w1-page a, .w1-page span { display: inline-block; padding: 6px 14px; margin: 0 3px; border-radius: 8px; border: 1px solid var(--border); color: var(--text); text-decoration: none; }
.w1-page a:hover { border-color: var(--primary); color: var(--primary); }
.w1-page .cur { background: var(--primary); border-color: var(--primary); color: #fff; }
.w1-page .info { border: none; color: var(--text-light); }

/* 表单 */
.w1-form { max-width: 460px; margin: 0 auto; }
.w1-form .w1-field { margin-bottom: 16px; }
.w1-form label { display: block; font-size: 13px; color: var(--text-light); margin-bottom: 6px; }
.w1-form input[type=text], .w1-form input[type=password], .w1-form input[type=email], .w1-form textarea, .w1-form select {
  width: 100%; box-sizing: border-box; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; outline: none; transition: border-color .2s;
}
.w1-form input:focus, .w1-form textarea:focus, .w1-form select:focus { border-color: var(--primary); }
.w1-form textarea { min-height: 110px; resize: vertical; }
.w1-form .code-row { display: flex; gap: 10px; align-items: center; }
.w1-form .code-row input { flex: 1; }
.w1-form .code-row img { height: 40px; border-radius: 8px; cursor: pointer; }
.w1-btn { display: inline-block; padding: 10px 26px; background: var(--primary); color: #fff; border: none;
  border-radius: 8px; font-size: 14px; cursor: pointer; text-decoration: none; transition: opacity .2s; }
.w1-btn:hover { opacity: .88; color: #fff; }
.w1-btn.light { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.w1-form-tip { font-size: 13px; color: var(--text-light); margin-left: 12px; }
.w1-form-tip a { color: var(--primary); }
.w1-note { font-size: 12px; margin-top: 5px; }
.w1-note.err { color: #f56c6c; }
.w1-note.ok { color: #4bb760; }

/* 信息表格 */
.w1-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.w1-table th, .w1-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.w1-table th { color: var(--text-light); font-weight: 500; width: 130px; white-space: nowrap; }

/* 留言/评论块 */
.w1-msg { border-bottom: 1px solid var(--border); padding: 14px 0; }
.w1-msg .w1-msg-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.w1-msg .w1-msg-name { font-weight: 600; font-size: 14px; }
.w1-msg .w1-msg-meta { font-size: 12px; color: var(--text-light); }
.w1-msg .w1-msg-body { font-size: 14px; line-height: 1.7; }
.w1-msg .w1-msg-reply { margin-top: 10px; padding: 10px 12px; background: var(--bg); border-left: 3px solid var(--primary); border-radius: 0 8px 8px 0; font-size: 13px; }

/* 招聘卡片 */
.w1-job { border: 1px solid var(--border); border-radius: 12px; padding: 16px; transition: border-color .2s, box-shadow .2s; }
.w1-job:hover { border-color: var(--primary); box-shadow: 0 8px 22px rgba(89,97,249,.12); }
.w1-job h3 { font-size: 16px; margin: 0 0 8px; }
.w1-job h3 a { color: var(--text); text-decoration: none; }
.w1-job h3 a:hover { color: var(--primary); }
.w1-job p { font-size: 13px; color: var(--text-light); margin: 0 0 10px; line-height: 1.6; }
.w1-job .w1-job-date { font-size: 12px; color: var(--text-light); }

/* 页面标题 */
.w1-page-title { font-size: 24px; font-weight: 700; margin: 6px 0 14px; }
.w1-page-meta { font-size: 13px; color: var(--text-light); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.w1-prenext { font-size: 13px; color: var(--text-light); margin: 24px 0; line-height: 2; }
.w1-prenext a { color: var(--primary); }

/* member 布局 */
.w1-member-wrap { display: flex; gap: 24px; align-items: flex-start; }
.w1-member-side { width: 200px; flex-shrink: 0; }
.w1-member-side .side-title { font-size: 13px; color: var(--text-light); padding: 10px 14px; }
.w1-member-side a { display: block; padding: 11px 14px; font-size: 14px; color: var(--text); text-decoration: none; border-radius: 10px; margin-bottom: 2px; }
.w1-member-side a:hover { background: var(--bg); color: var(--primary); }
.w1-member-main { flex: 1; min-width: 0; }
@media (max-width: 800px) {
  .w1-member-wrap { flex-direction: column; }
  .w1-member-side { width: 100%; }
}

/* ======== 扩展：新闻列表卡片（一行2条带缩略图） ======== */
.w1-news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.w1-news-card {
  display: flex; gap: 14px; align-items: stretch;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; text-decoration: none; transition: border-color .2s, box-shadow .2s, transform .2s;
}
.w1-news-card:hover { border-color: var(--primary); box-shadow: 0 8px 22px rgba(89,97,249,.12); transform: translateY(-2px); }
.w1-news-thumb {
  width: 168px; height: 112px; flex-shrink: 0; border-radius: 8px; overflow: hidden;
  background: linear-gradient(135deg, #5961f9, #8b7df8);
  display: flex; align-items: center; justify-content: center; font-size: 34px;
}
.w1-news-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.w1-news-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.w1-news-title { font-size: 16px; font-weight: 600; color: var(--text); margin: 2px 0 8px; line-height: 1.5; }
.w1-news-card:hover .w1-news-title { color: var(--primary); }
.w1-news-desc { font-size: 13px; color: var(--text-light); line-height: 1.7; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.w1-news-meta { font-size: 12px; color: var(--text-light); margin-top: 8px; display: flex; align-items: center; gap: 8px; }
@media (max-width: 700px) {
  .w1-news-grid { grid-template-columns: 1fr; }
  .w1-news-thumb { width: 120px; height: 88px; }
}

/* ======== 扩展：留言页美化 ======== */
.w1-form-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 26px 26px 18px; box-shadow: var(--shadow); max-width: 560px; margin: 0 auto;
}
.w1-form-card .w1-form { max-width: none; }
.w1-form-title { font-size: 17px; font-weight: 700; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.w1-form-title::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: linear-gradient(180deg, var(--primary), var(--pink)); }
.w1-field-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .w1-field-2col { grid-template-columns: 1fr; } }
.w1-msg-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 22px; margin-bottom: 14px; box-shadow: var(--shadow);
}
.w1-msg-card .w1-msg { border-bottom: none; padding: 0; }

/* ======== 扩展：关于/联系页美化 ======== */
.w1-page-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #8b7df8 55%, var(--pink) 100%);
  border-radius: 16px; padding: 34px 30px; margin-bottom: 22px; color: #fff;
  position: relative; overflow: hidden;
}
.w1-page-banner::after {
  content: ""; position: absolute; right: -40px; top: -40px; width: 180px; height: 180px;
  border-radius: 50%; background: rgba(255,255,255,.12);
}
.w1-page-banner::before {
  content: ""; position: absolute; right: 40px; bottom: -60px; width: 140px; height: 140px;
  border-radius: 50%; background: rgba(255,255,255,.08);
}
.w1-page-banner h1 { font-size: 26px; font-weight: 700; margin: 0 0 8px; position: relative; z-index: 1; }
.w1-page-banner p { font-size: 14px; opacity: .92; margin: 0; position: relative; z-index: 1; }
.w1-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px 30px; box-shadow: var(--shadow);
}
.w1-contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.w1-contact-item {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 16px; text-align: center; transition: border-color .2s, transform .2s;
}
.w1-contact-item:hover { border-color: var(--primary); transform: translateY(-2px); }
.w1-contact-item .ci-ico { font-size: 26px; margin-bottom: 8px; }
.w1-contact-item .ci-label { font-size: 12px; color: var(--text-light); margin-bottom: 4px; }
.w1-contact-item .ci-value { font-size: 14px; font-weight: 600; color: var(--text); word-break: break-all; }
.w1-contact-item .ci-value a { color: var(--text); }
.w1-contact-item .ci-value a:hover { color: var(--primary); }
@media (max-width: 700px) { .w1-contact-grid { grid-template-columns: 1fr; } }

/* ======== 扩展：新闻详情页美化 ======== */
.w1-article-head {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 26px 28px 22px; margin-bottom: 20px; box-shadow: var(--shadow);
}
.w1-article-head h1 { font-size: 24px; font-weight: 700; line-height: 1.5; margin: 0 0 14px; color: var(--text); }
.w1-article-meta { display: flex; flex-wrap: wrap; gap: 16px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-light); }
.w1-article-meta .meta-item { display: flex; align-items: center; gap: 5px; }
.w1-article-body {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px 30px; box-shadow: var(--shadow);
}
.w1-prenext-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px;
}
.w1-prenext-item {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; text-decoration: none; transition: border-color .2s, transform .2s;
}
.w1-prenext-item:hover { border-color: var(--primary); transform: translateY(-2px); }
.w1-prenext-item .pe-label { font-size: 12px; color: var(--text-light); margin-bottom: 6px; display: block; }
.w1-prenext-item .pe-title { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.5; }
.w1-prenext-item:hover .pe-title { color: var(--primary); }
.w1-prenext-item.next { text-align: right; }
@media (max-width: 600px) { .w1-prenext-card { grid-template-columns: 1fr; } .w1-prenext-item.next { text-align: left; } }

/* 列表页小横幅 */
.w1-list-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #8b7df8 55%, var(--pink) 100%);
  border-radius: 16px; padding: 26px 28px; margin-bottom: 22px; color: #fff;
  position: relative; overflow: hidden;
}
.w1-list-banner::after {
  content: ""; position: absolute; right: -30px; top: -30px; width: 140px; height: 140px;
  border-radius: 50%; background: rgba(255,255,255,.12);
}
.w1-list-banner h1 { font-size: 22px; font-weight: 700; margin: 0 0 6px; position: relative; z-index: 1; }
.w1-list-banner p { font-size: 13px; opacity: .92; margin: 0; position: relative; z-index: 1; }

/* ======== 扩展：列表页子分类导航 ======== */
.w1-subcats { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 20px; }
.w1-subcat {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text); font-size: 13px; text-decoration: none;
  transition: border-color .2s, color .2s, background .2s;
}
.w1-subcat:hover { border-color: var(--primary); color: var(--primary); }
.w1-subcat.active {
  background: linear-gradient(135deg, var(--primary), #8b7df8);
  border-color: var(--primary); color: #fff;
}
.w1-subcat .sc-num { font-size: 11px; opacity: .75; }

/* 无子分类时隐藏导航（只有“全部”一个按钮时） */
.w1-subcats:not(:has(.w1-subcat:not(.active))) { display: none; }

/* ======== 扩展：侧栏分类增强（图标+数量+子级折叠） ======== */
.side-group { margin-bottom: 2px; }
.side-row { display: flex; align-items: center; }
.side-row .side-item { flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; }
.side-row .side-item .ic { flex-shrink: 0; }
.side-num {
  margin-left: auto; font-size: 11px; color: var(--text-light);
  background: var(--hover-bg); border-radius: 9px; padding: 1px 7px; flex-shrink: 0;
  min-width: 32px; text-align: center;
}
.side-item.active .side-num { background: rgba(255,255,255,.25); color: #fff; }
.side-toggle {
  flex-shrink: 0; width: 24px; height: 24px; margin-left: 2px; padding: 0;
  border: none; background: transparent; color: var(--text-light);
  cursor: pointer; border-radius: 6px; font-size: 12px; line-height: 1;
  transition: transform .2s, background .2s, color .2s; display: flex; align-items: center; justify-content: center;
}
.side-toggle:hover { background: var(--hover-bg); color: var(--primary); }
.side-toggle.open { transform: rotate(180deg); color: var(--primary); }
.side-toggle-placeholder { flex-shrink: 0; width: 24px; height: 24px; margin-left: 2px; }
.side-subs { display: none; padding-left: 18px; }
.side-subs.show { display: block; }
.side-sub-item {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 12px; margin: 1px 0; border-radius: 8px;
  font-size: 13px; color: var(--text-light); text-decoration: none;
  transition: background .15s, color .15s; white-space: nowrap;
}
.side-sub-item::before { content: "·"; font-weight: 700; }
.side-sub-item:hover { background: var(--hover-bg); color: var(--primary); }
.side-sub-item.active { background: var(--active-bg); color: var(--primary); font-weight: 600; }
.side-sub-item .side-num { margin-left: auto; }

/* side-sub-item 带图标时去掉圆点前缀 */
.side-sub-item .ic { flex-shrink: 0; }
.side-sub-item .ic + * { }