/* ===== 后台通用 ===== */
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1f2d3d;
  background: #f4f6fb;
  line-height: 1.6;
}
.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
a { color: #2f6fed; text-decoration: none; }

.adm-top {
  background: #1f2d3d;
  color: #fff;
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.adm-logo { font-weight: 700; font-size: 16px; }
.adm-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.adm-nav a { color: #c4ccd8; font-size: 14px; }
.adm-nav a:hover { color: #fff; }
.adm-exit { color: #ff9c9c !important; }

.adm-main { padding: 28px 0 40px; }
.adm-h1 { font-size: 22px; margin: 0 0 6px; }
.adm-h2 { font-size: 16px; margin: 18px 0 10px; color: #34455c; }
.adm-welcome { color: #6b7686; margin: 0 0 18px; }
.adm-tip { color: #8a93a3; font-size: 13px; margin: 0 0 16px; }
.adm-ok { color: #1f9d55; font-size: 14px; }
.adm-err { color: #e23b3b; font-size: 14px; }

.adm-foot { text-align: center; color: #aab2c0; font-size: 12px; padding: 20px; }

/* 概览卡片 */
.adm-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.adm-card { background: #fff; border-radius: 12px; padding: 20px; box-shadow: 0 4px 16px rgba(31,45,61,.06); text-align: center; }
.adm-card-num { font-size: 30px; font-weight: 700; color: #2f6fed; }
.adm-card-label { color: #6b7686; font-size: 13px; margin: 4px 0 10px; }
.adm-card-link { font-size: 13px; }
.adm-quick { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* 按钮 */
.adm-btn {
  display: inline-block;
  background: #2f6fed; color: #fff; border: 0;
  border-radius: 8px; padding: 10px 20px; font-size: 14px; cursor: pointer;
}
.adm-btn:hover { background: #2257c4; }
.adm-btn.ghost { background: #fff; color: #2f6fed; border: 1px solid #cdd8ee; }
.adm-btn.ghost:hover { background: #eef3ff; }

/* 表单 */
.adm-form { background: #fff; border-radius: 12px; padding: 20px; box-shadow: 0 4px 16px rgba(31,45,61,.06); max-width: 520px; }
.adm-form label { display: block; font-size: 13px; color: #55607a; margin: 14px 0 6px; }
.adm-form input[type=text],
.adm-form input[type=url],
.adm-form input[type=number],
.adm-form textarea,
.adm-form select {
  width: 100%; border: 1px solid #dfe4ec; border-radius: 8px;
  padding: 10px 12px; font-size: 14px; font-family: inherit;
}
.adm-form textarea { min-height: 70px; resize: vertical; }
.adm-form input[type=file] { font-size: 13px; margin-top: 4px; }
.adm-prev { margin: 6px 0 10px; }
.adm-prev img { max-width: 160px; max-height: 120px; border-radius: 8px; display: block; }
.adm-check { font-size: 13px; color: #6b7686; display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; }
.adm-radios { display: flex; gap: 18px; flex-wrap: wrap; margin: 4px 0 4px; }
.adm-radio { font-size: 14px; color: #34455c; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }

/* 两栏布局 */
.adm-two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.adm-panel { background: #fff; border-radius: 12px; padding: 18px 20px; box-shadow: 0 4px 16px rgba(31,45,61,.06); }

/* 链接列表 */
.adm-link-list { list-style: none; margin: 0; padding: 0; }
.adm-link-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid #eef1f6; }
.adm-link-item:last-child { border-bottom: 0; }
.adm-link-thumb { width: 48px; height: 48px; border-radius: 10px; overflow: hidden; flex: 0 0 48px; background: #eef1f6; display: flex; align-items: center; justify-content: center; }
.adm-link-thumb img { width: 100%; height: 100%; object-fit: cover; }
.adm-link-ini { font-weight: 700; color: #2f6fed; font-size: 20px; }
.adm-link-info { flex: 1; min-width: 0; }
.adm-link-title { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.adm-link-url { font-size: 12px; color: #8a93a3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.adm-link-ops { display: flex; gap: 12px; font-size: 13px; }
.adm-link-btn { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; color: #2f6fed; }
.adm-link-btn:hover { text-decoration: underline; }
.adm-del { color: #e23b3b !important; }

/* 文章搜索条 */
.adm-search { display: flex; gap: 8px; align-items: center; margin: 6px 0 18px; flex-wrap: wrap; }
.adm-search input[type=text] { flex: 1; min-width: 200px; border: 1px solid #dfe4ec; border-radius: 8px; padding: 9px 12px; font-size: 14px; }

/* 分页 */
.adm-pager { display: flex; align-items: center; gap: 14px; justify-content: center; margin: 22px 0 6px; font-size: 13px; }
.adm-pager a { background: #fff; border: 1px solid #cdd8ee; border-radius: 8px; padding: 7px 14px; color: #2f6fed; }
.adm-pager a:hover { background: #eef3ff; }
.adm-pager-info { color: #8a93a3; }
.adm-badge { font-size: 11px; padding: 1px 8px; border-radius: 999px; font-weight: 500; }
.adm-badge.s0 { background: #f0f0f0; color: #999; }
.adm-badge.s1 { background: #e6f6ec; color: #1f9d55; }
.adm-badge.s2 { background: #fff4e0; color: #d98a00; }

/* 留言管理 */
.adm-gb-list { list-style: none; margin: 16px 0 0; padding: 0; }
.adm-gb-item { background: #fff; border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; box-shadow: 0 2px 10px rgba(31,45,61,.05); }
.adm-gb-head { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.adm-gb-nick { font-weight: 600; color: #2f6fed; }
.adm-gb-time { color: #9aa3b2; }
.adm-gb-head .adm-del { margin-left: auto; }
.adm-gb-content { margin: 6px 0 0; font-size: 14px; color: #2b3a4d; white-space: pre-wrap; word-break: break-word; }
.adm-gb-empty { color: #9aa3b2; }

/* 表格型列表（评论管理等） */
.adm-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(31,45,61,.06); }
.adm-table th { text-align: left; font-size: 12px; font-weight: 600; color: #8a93a3; padding: 12px 14px; background: #f7f9fc; border-bottom: 1px solid #eef1f6; }
.adm-table td { padding: 12px 14px; font-size: 14px; color: #2b3a4d; border-bottom: 1px solid #f1f3f7; vertical-align: top; }
.adm-table tr:last-child td { border-bottom: 0; }
.adm-table tbody tr:hover { background: #fafbfe; }
.adm-cell-content { color: #5b6675; line-height: 1.6; max-width: 360px; }
.adm-empty { color: #9aa3b2; padding: 24px 0; }
.adm-tip { font-size: 13px; color: #8a93a3; }

/* 登录页 */
.adm-login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.adm-login-box { background: #fff; padding: 32px 36px; border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.08); width: 340px; max-width: 92vw; }
.adm-login-box h1 { font-size: 20px; margin: 0 0 18px; }
.adm-login-box label { display: block; font-size: 13px; color: #55607a; margin: 12px 0 6px; }
.adm-login-box input { width: 100%; border: 1px solid #dfe4ec; border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.adm-login-box button { margin-top: 18px; width: 100%; background: #2f6fed; color: #fff; border: 0; border-radius: 8px; padding: 11px; font-size: 15px; cursor: pointer; }
.adm-login-box .adm-err { color: #e23b3b; font-size: 13px; margin-top: 10px; }
.adm-back { text-align: center; margin-top: 14px; font-size: 13px; }

/* 响应式 */
@media (max-width: 860px) {
  .adm-cards { grid-template-columns: 1fr; }
  .adm-two { grid-template-columns: 1fr; }
}