/* ============================================================
 * 准到内容中心 (ZDCMS) — 设计系统样式
 * 主色：微信绿 #07C160；文字：近黑 90%；灰阶沿用准到规范
 * ============================================================ */
:root {
  --zd-green: #07C160;
  --zd-green-dark: #06a050;
  --zd-ink: rgba(0, 0, 0, 0.9);
  --zd-ink-2: rgba(0, 0, 0, 0.6);
  --zd-ink-3: #7F7F7F;
  --zd-line: #EDEDED;
  --zd-bg: #F7F7F7;
  --zd-white: #ffffff;
  --zd-red: #FA5151;
  --zd-orange: #FA9D3B;
  --zd-radius: 10px;
  --zd-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --zd-maxw: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--zd-ink);
  background: var(--zd-bg);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--zd-green); text-decoration: none; }
a:hover { color: var(--zd-green-dark); }
img { max-width: 100%; display: block; }

/* ---------- 顶部导航 ---------- */
.zd-nav {
  background: var(--zd-white);
  border-bottom: 1px solid var(--zd-line);
  position: sticky; top: 0; z-index: 50;
}
.zd-nav-inner {
  max-width: var(--zd-maxw); margin: 0 auto; padding: 0 20px;
  height: 60px; display: flex; align-items: center; gap: 24px;
}
.zd-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--zd-ink); }
.zd-logo svg { width: 24px; height: 24px; }
.zd-nav-links { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
.zd-nav-links a { color: var(--zd-ink-2); font-size: 14px; }
.zd-nav-links a.active, .zd-nav-links a:hover { color: var(--zd-green); }
.zd-nav-actions a {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--zd-green); color: var(--zd-green);
  padding: 6px 14px; border-radius: 999px; font-size: 13px;
}

/* ---------- 布局容器 ---------- */
.zd-container { max-width: var(--zd-maxw); margin: 0 auto; padding: 24px 20px 60px; }
.zd-grid { display: grid; grid-template-columns: 240px 1fr; gap: 28px; align-items: start; }

/* 侧栏分类 */
.zd-side { background: var(--zd-white); border: 1px solid var(--zd-line); border-radius: var(--zd-radius); padding: 16px; position: sticky; top: 84px; }
.zd-side h3 { margin: 0 0 12px; font-size: 14px; color: var(--zd-ink-3); font-weight: 600; }
.zd-cat-list { list-style: none; margin: 0; padding: 0; }
.zd-cat-list li { margin: 2px 0; }
.zd-cat-list a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; border-radius: 8px; color: var(--zd-ink-2); font-size: 14px;
}
.zd-cat-list a:hover, .zd-cat-list a.active { background: rgba(7, 193, 96, 0.08); color: var(--zd-green); }
.zd-cat-count { font-size: 12px; color: var(--zd-ink-3); background: var(--zd-bg); border-radius: 999px; padding: 1px 8px; }

/* ---------- 搜索条 ---------- */
.zd-search { display: flex; gap: 10px; margin-bottom: 20px; }
.zd-search input {
  flex: 1; height: 42px; border: 1px solid var(--zd-line); border-radius: 999px;
  padding: 0 18px; font-size: 14px; outline: none; background: var(--zd-white);
}
.zd-search input:focus { border-color: var(--zd-green); }

/* ---------- 文章卡片 ---------- */
.zd-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.zd-card {
  background: var(--zd-white); border: 1px solid var(--zd-line); border-radius: var(--zd-radius);
  overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s;
}
.zd-card:hover { box-shadow: var(--zd-shadow); transform: translateY(-2px); }
.zd-card-cover { aspect-ratio: 16/9; background: var(--zd-bg) center/cover no-repeat; }
.zd-card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.zd-card-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--zd-ink-3); }
.zd-card-cat { color: var(--zd-green); font-weight: 600; }
.zd-card-title { font-size: 17px; font-weight: 700; line-height: 1.4; margin: 0; color: var(--zd-ink); }
.zd-card-summary { font-size: 13px; color: var(--zd-ink-2); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.zd-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.zd-tag { font-size: 12px; color: var(--zd-ink-3); background: var(--zd-bg); border-radius: 999px; padding: 2px 10px; }

/* ---------- 文章详情（公众号式排版） ---------- */
.zd-article { max-width: 760px; margin: 0 auto; background: var(--zd-white); border: 1px solid var(--zd-line); border-radius: var(--zd-radius); padding: 40px 48px; }
.zd-article-cover { width: 100%; border-radius: var(--zd-radius); margin-bottom: 24px; background: var(--zd-bg); display: block; }
.zd-article h1 { font-size: 24px; line-height: 1.4; margin: 0 0 14px; letter-spacing: .2px; }
.zd-article-meta { display: flex; gap: 12px; align-items: center; font-size: 13px; color: var(--zd-ink-3); margin-bottom: 24px; flex-wrap: wrap; }
.zd-article-meta .zd-meta-site { color: var(--zd-green); font-weight: 500; }
.zd-article-meta .zd-meta-author { color: var(--zd-ink-2); }
.zd-article-meta .zd-meta-badge { color: var(--zd-green); border: 1px solid var(--zd-green); border-radius: 3px; font-size: 11px; padding: 0 4px; line-height: 16px; }
.zd-article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.article-content { font-size: 17px; line-height: 1.8; color: rgba(0,0,0,.9); letter-spacing: .3px; text-align: justify; word-break: break-word; }
.article-content h2 { font-size: 20px; margin: 28px 0 12px; }
.article-content h3 { font-size: 18px; margin: 22px 0 10px; }
.article-content p { margin: 0 0 20px; }
.article-content ul, .article-content ol { padding-left: 22px; margin: 0 0 20px; }
.article-content img { max-width: 100%; height: auto !important; border-radius: 4px; margin: 16px auto; display: block; }
.article-content blockquote { margin: 16px 0 20px; padding: 12px 18px; border-left: 4px solid var(--zd-green); background: var(--zd-bg); color: var(--zd-ink-2); border-radius: 0 8px 8px 0; }
.article-content a { text-decoration: underline; }
.article-content table { max-width: 100%; border-collapse: collapse; margin: 16px 0; }
.article-content td, .article-content th { border: 1px solid var(--zd-line); padding: 6px 10px; font-size: 15px; }
/* 底部账号栏（参考公众号底栏：头像 + 账号名 + 阅读数） */
.zd-author-bar { display: flex; align-items: center; gap: 10px; margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--zd-line); }
.zd-author-avatar { flex: none; width: 40px; height: 40px; border-radius: 50%; overflow: hidden; background: var(--zd-green); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 600; }
.zd-author-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.zd-author-name { font-size: 15px; font-weight: 600; color: var(--zd-ink); }
.zd-author-sub { font-size: 12px; color: var(--zd-ink-3); margin-top: 2px; }
.zd-author-views { margin-left: auto; font-size: 13px; color: var(--zd-ink-3); }
/* 导航 LOGO 图（站点配置了 LOGO 时替换默认线条图标） */
.zd-logo img { width: 26px; height: 26px; border-radius: 6px; object-fit: cover; display: block; }

/* ---------- 按钮 ---------- */
.zd-btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  height: 40px; padding: 0 18px; border-radius: 8px; border: 1px solid transparent;
  font-size: 14px; cursor: pointer; background: var(--zd-green); color: #fff; font-weight: 500;
}
.zd-btn:hover { background: var(--zd-green-dark); }
.zd-btn.ghost { background: var(--zd-white); color: var(--zd-ink-2); border-color: var(--zd-line); }
.zd-btn.ghost:hover { color: var(--zd-green); border-color: var(--zd-green); }
.zd-btn.danger { background: var(--zd-white); color: var(--zd-red); border-color: var(--zd-red); }
.zd-btn.sm { height: 32px; padding: 0 12px; font-size: 13px; }

/* ---------- 分页 ---------- */
.zd-pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 28px; }
.zd-pager button { min-width: 36px; height: 36px; border: 1px solid var(--zd-line); background: var(--zd-white); border-radius: 8px; cursor: pointer; color: var(--zd-ink-2); }
.zd-pager button.active { background: var(--zd-green); color: #fff; border-color: var(--zd-green); }
.zd-pager button:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- 后台 ---------- */
.zd-admin-layout { display: grid; grid-template-columns: 200px 1fr; min-height: calc(100vh - 60px); }
.zd-admin-side { background: var(--zd-white); border-right: 1px solid var(--zd-line); padding: 18px 12px; }
.zd-admin-side .zd-admin-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; padding: 6px 8px 16px; }
.zd-admin-menu { list-style: none; margin: 0; padding: 0; }
.zd-admin-menu li { margin: 2px 0; }
.zd-admin-menu a { display: block; padding: 10px 12px; border-radius: 8px; color: var(--zd-ink-2); font-size: 14px; }
.zd-admin-menu a.active, .zd-admin-menu a:hover { background: rgba(7, 193, 96, 0.08); color: var(--zd-green); }
.zd-admin-main { padding: 24px 28px; }
.zd-admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.zd-admin-head h2 { margin: 0; font-size: 20px; }

/* 表单 */
.zd-form { background: var(--zd-white); border: 1px solid var(--zd-line); border-radius: var(--zd-radius); padding: 22px; }
.zd-field { margin-bottom: 16px; }
.zd-field label { display: block; font-size: 13px; color: var(--zd-ink-2); margin-bottom: 6px; font-weight: 500; }
.zd-field input[type=text], .zd-field input[type=url], .zd-field input[type=password], .zd-field textarea, .zd-field select {
  width: 100%; border: 1px solid var(--zd-line); border-radius: 8px; padding: 9px 12px; font-size: 14px; outline: none; background: var(--zd-white); color: var(--zd-ink);
}
.zd-field input:focus, .zd-field textarea:focus, .zd-field select:focus { border-color: var(--zd-green); }
.zd-field textarea { resize: vertical; min-height: 80px; }
.zd-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.zd-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* 富文本编辑器 */
.zd-editor-toolbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; border: 1px solid var(--zd-line); border-bottom: none; border-radius: 8px 8px 0 0; background: var(--zd-bg); }
.zd-editor-toolbar button { width: 32px; height: 32px; border: 1px solid transparent; background: transparent; border-radius: 6px; cursor: pointer; color: var(--zd-ink-2); font-size: 14px; }
.zd-editor-toolbar button:hover { background: var(--zd-white); color: var(--zd-green); border-color: var(--zd-line); }
.zd-editor { border: 1px solid var(--zd-line); border-radius: 0 0 8px 8px; min-height: 280px; padding: 14px; outline: none; font-size: 15px; line-height: 1.8; background: var(--zd-white); }
.zd-editor:empty:before { content: attr(data-placeholder); color: var(--zd-ink-3); }
/* wangEditor 5 容器（替换原 contenteditable 简易编辑器） */
.zd-wang-wrap { border: 1px solid var(--zd-line); border-radius: 8px; background: var(--zd-white); overflow: hidden; position: relative; z-index: 1; }
.zd-wang-toolbar { border-bottom: 1px solid var(--zd-line); background: var(--zd-bg); }
.zd-wang-editor { height: 480px; overflow-y: auto; font-size: 15px; }

/* 表格 */
.zd-table { width: 100%; border-collapse: collapse; background: var(--zd-white); border: 1px solid var(--zd-line); border-radius: var(--zd-radius); overflow: hidden; }
.zd-table th, .zd-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--zd-line); font-size: 14px; }
.zd-table th { background: var(--zd-bg); color: var(--zd-ink-3); font-weight: 600; font-size: 13px; }
.zd-table tr:last-child td { border-bottom: none; }
.zd-table .zd-actions { display: flex; gap: 8px; }
.zd-badge { display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 999px; }
.zd-badge.pub { background: rgba(7,193,96,.12); color: var(--zd-green); }
.zd-badge.draft { background: rgba(127,127,127,.14); color: var(--zd-ink-3); }

/* 标签输入 */
.zd-tags-input { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px; border: 1px solid var(--zd-line); border-radius: 8px; }
.zd-tags-input .chip { display: inline-flex; align-items: center; gap: 6px; background: rgba(7,193,96,.1); color: var(--zd-green); border-radius: 999px; padding: 3px 10px; font-size: 13px; }
.zd-tags-input .chip button { border: none; background: none; color: var(--zd-green); cursor: pointer; font-size: 14px; line-height: 1; }
.zd-tags-input input { border: none; outline: none; flex: 1; min-width: 120px; font-size: 14px; padding: 4px; }

/* 提示条 / 空态 */
.zd-toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%); background: var(--zd-ink); color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 14px; z-index: 9999; opacity: 0; transition: opacity .25s; pointer-events: none; }
.zd-toast.show { opacity: 1; }
.zd-empty { text-align: center; color: var(--zd-ink-3); padding: 60px 0; }

.zd-muted { color: var(--zd-ink-3); font-size: 13px; }
.zd-section-title { font-size: 15px; font-weight: 600; margin: 26px 0 12px; color: var(--zd-ink); }

/* 文档页 */
.zd-doc { max-width: 880px; margin: 0 auto; }
.zd-doc pre { background: #1f2328; color: #e6edf3; padding: 16px; border-radius: 8px; overflow: auto; font-size: 13px; line-height: 1.6; }
.zd-doc code { background: var(--zd-bg); padding: 2px 6px; border-radius: 4px; font-size: 13px; color: var(--zd-green-dark); }
.zd-doc table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.zd-doc th, .zd-doc td { border: 1px solid var(--zd-line); padding: 8px 12px; font-size: 14px; text-align: left; }
.zd-doc th { background: var(--zd-bg); }

/* 页脚 */
.zd-footer { border-top: 1px solid var(--zd-line); background: var(--zd-white); padding: 24px 20px; text-align: center; color: var(--zd-ink-3); font-size: 13px; }

/* 响应式 */
@media (max-width: 860px) {
  .zd-grid { grid-template-columns: 1fr; }
  .zd-side { position: static; }
  .zd-cards { grid-template-columns: 1fr; }
  .zd-admin-layout { grid-template-columns: 1fr; }
  .zd-admin-side { display: none; }
  .zd-row, .zd-row-3 { grid-template-columns: 1fr; }
  .zd-article { padding: 22px 18px; }
  .zd-article h1 { font-size: 21px; }
  .article-content { font-size: 16px; line-height: 1.75; }
}

/* 后台查询栏 */
.zd-query-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.zd-query-bar input[type=text] { flex: 1; min-width: 220px; height: 38px; border: 1px solid var(--zd-line); border-radius: 8px; padding: 0 14px; font-size: 14px; outline: none; background: var(--zd-white); color: var(--zd-ink); }
.zd-query-bar input[type=text]:focus { border-color: var(--zd-green); }
.zd-query-bar select { height: 38px; border: 1px solid var(--zd-line); border-radius: 8px; padding: 0 12px; font-size: 14px; outline: none; background: var(--zd-white); color: var(--zd-ink); }

/* 排序列 */
.zd-sort-num { display: inline-block; min-width: 22px; font-weight: 600; color: var(--zd-green); }
.zd-sort-btns { display: flex; gap: 4px; margin-top: 4px; }
.zd-btn.xs { height: 26px; min-width: 26px; padding: 0 7px; font-size: 13px; line-height: 1; }
.zd-tag-ext { display: inline-block; margin-left: 6px; font-size: 11px; background: rgba(250,157,59,.16); color: var(--zd-orange); border-radius: 999px; padding: 1px 8px; vertical-align: middle; }

/* 后台登录闸门 */
.zd-gate { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--zd-bg); padding: 24px; }
.zd-gate-card { width: 100%; max-width: 380px; background: var(--zd-white); border: 1px solid var(--zd-line); border-radius: var(--zd-radius); padding: 36px 32px 30px; }
.zd-gate-logo { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 8px; color: var(--zd-ink); font-size: 18px; font-weight: 600; }
.zd-gate-logo svg { width: 22px; height: 22px; flex: none; }
.zd-gate-sub { text-align: center; color: var(--zd-ink-3); font-size: 13px; margin: 0 0 24px; }
.zd-gate-err { display: none; margin-bottom: 14px; padding: 9px 12px; border-radius: 8px; background: rgba(250,81,81,.1); color: var(--zd-red); font-size: 13px; }
.zd-gate-err.show { display: block; }
.zd-gate-btn { width: 100%; height: 42px; margin-top: 6px; }
.zd-gate-btn[disabled] { opacity: .6; cursor: default; }
.zd-gate-foot { text-align: center; margin-top: 20px; font-size: 12px; color: var(--zd-ink-3); }
.zd-user-chip { display: inline-flex; align-items: center; gap: 10px; color: var(--zd-ink-2); font-size: 13px; }
.zd-user-chip button { background: none; border: none; padding: 0; color: var(--zd-ink-3); font-size: 13px; cursor: pointer; }
.zd-user-chip button:hover { color: var(--zd-green); }

/* 后台顶栏：系统名居左，辅助入口与账号信息居右 */
.zd-nav-inner.zd-full { max-width: none; }
.zd-nav-inner > .zd-nav-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.zd-nav-actions .zd-nav-link { border: none; padding: 0; border-radius: 0; color: var(--zd-ink-2); font-size: 14px; }
.zd-nav-actions .zd-nav-link:hover { color: var(--zd-green); }
.zd-user-name { color: var(--zd-ink); font-weight: 600; }
.zd-user-chip { padding-left: 18px; border-left: 1px solid var(--zd-line); }