/* 中禾企业服务网 · 站点样式（明亮、清晰、手机适配） */

:root {
  --ink: #22301f;
  --ink2: #5c6b57;
  --brand: #2f6b3a;
  --brand-dark: #245230;
  --brand-bg: #eef5ec;
  --line: #e3e8df;
  --card: #ffffff;
  --page: #f7f9f5;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--page); color: var(--ink); line-height: 1.7; font-size: 16px;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

/* 头部 */
.site-head { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.head-in { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { font-size: 19px; font-weight: 600; color: var(--ink); }
.site-head nav { display: flex; align-items: center; gap: 18px; }
.site-head nav a { color: var(--ink2); font-size: 15px; }
.site-head nav a.on { color: var(--brand); font-weight: 600; }
.btn-head { background: var(--brand); color: #fff !important; padding: 7px 14px; border-radius: 8px; font-size: 14px !important; }
.btn-head:hover { background: var(--brand-dark); text-decoration: none; }

/* 首页 Hero */
.hero { text-align: center; padding: 56px 0 40px; }
.hero h1 { font-size: 34px; line-height: 1.35; font-weight: 700; }
.hero-sub { color: var(--ink2); margin-top: 14px; font-size: 16px; }
.hero-cta { margin-top: 26px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
  display: inline-block; padding: 11px 24px; border-radius: 10px; font-size: 16px; border: none; cursor: pointer;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
.btn-ghost:hover { background: var(--brand-bg); text-decoration: none; }

.sec-title { font-size: 22px; margin: 30px 0 16px; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; font-size: 14px; color: var(--ink2); }
.chip span { color: var(--brand); font-weight: 600; }
.chip:hover { border-color: var(--brand); text-decoration: none; }

/* 文章卡片 */
.cards { display: grid; grid-template-columns: 1fr; gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; }
.card:hover { border-color: var(--brand); }
.card-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 13px; color: #9aa596; }
.tag { background: var(--brand-bg); color: var(--brand); border-radius: 6px; padding: 2px 9px; font-size: 13px; }
.card h3 { font-size: 18px; line-height: 1.5; }
.card h3 a { color: var(--ink); }
.card p { color: var(--ink2); margin-top: 6px; font-size: 14.5px; }
.empty { color: #9aa596; padding: 18px 0; }

/* 文章页 */
.post { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 34px 38px; margin: 26px 0; }
.post h1 { font-size: 27px; line-height: 1.45; margin: 10px 0 22px; }
.post-body h2 { font-size: 21px; margin: 28px 0 10px; padding-left: 10px; border-left: 4px solid var(--brand); }
.post-body h3 { font-size: 17.5px; margin: 22px 0 8px; }
.post-body p { margin: 12px 0; }
.post-body ul, .post-body ol { padding-left: 24px; margin: 12px 0; }
.post-body li { margin: 5px 0; }
.post-body blockquote {
  border-left: 4px solid var(--brand); background: var(--brand-bg);
  padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 16px 0; color: var(--brand-dark);
}
.post-body table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px; }
.post-body th, .post-body td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.post-body th { background: var(--brand-bg); color: var(--brand-dark); }
.post-body code { background: #f0f2ec; border-radius: 4px; padding: 1px 6px; font-size: 90%; }
.post-body pre { background: #2c2c2a; color: #f2f2ee; border-radius: 8px; padding: 14px 16px; overflow-x: auto; margin: 14px 0; }
.post-body pre code { background: none; color: inherit; padding: 0; }
.post-body hr { border: none; border-top: 1px solid var(--line); margin: 24px 0; }

/* 文章底部 CTA 与相关推荐 */
.cta-box { background: var(--brand-bg); border: 1px solid #cfe0cb; border-radius: 12px; padding: 22px 24px; margin-top: 30px; }
.cta-t { font-weight: 700; font-size: 17px; color: var(--brand-dark); }
.cta-box p { margin: 8px 0 14px; color: var(--ink2); font-size: 14.5px; }
.rel { margin-top: 30px; }
.rel h2 { font-size: 18px; margin-bottom: 10px; }
.rel-item { display: block; background: var(--page); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; color: var(--ink); font-size: 15px; }
.rel-item:hover { border-color: var(--brand); text-decoration: none; }

/* 分类页 / 404 */
.page-title { font-size: 24px; margin: 26px 0 16px; }
.empty-page { text-align: center; padding: 80px 0; }
.empty-page h1 { font-size: 60px; color: #c4cdc0; }
.post-body { word-break: break-word; }

/* 页脚 */
.site-foot { border-top: 1px solid var(--line); margin-top: 50px; padding: 26px 0 34px; color: #9aa596; font-size: 13.5px; text-align: center; }
.site-foot a { color: #9aa596; }
.foot-links { margin-top: 6px; }

/* ---------- 后台 ---------- */
.admin-body { background: var(--page); }
.admin-wrap { max-width: 960px; margin: 30px auto; padding: 0 20px; }
.admin-wrap > h1 { margin-bottom: 16px; }
.admin-wrap form:not(.inline) { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.admin-wrap input, .admin-wrap textarea, .admin-wrap select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; font-family: inherit; margin-top: 5px; background: #fff; color: var(--ink);
}
.admin-wrap textarea { resize: vertical; line-height: 1.6; }
.admin-wrap label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--ink2); }
.admin-wrap .btn-primary { margin-top: 6px; }
.admin-login-box { max-width: 420px; margin: 60px auto; }
.admin-login-box form { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 26px; }
.admin-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.admin-top h1 { font-size: 22px; }
.admin-table { width: 100%; background: #fff; border: 1px solid var(--line); border-radius: 12px; border-collapse: separate; border-spacing: 0; overflow: hidden; font-size: 14.5px; }
.admin-table th { background: var(--brand-bg); color: var(--brand-dark); text-align: left; padding: 10px 12px; font-weight: 600; }
.admin-table td { padding: 10px 12px; border-top: 1px solid var(--line); vertical-align: middle; }
.st { color: #9aa596; }
.st.on { color: var(--brand); font-weight: 600; }
.acts { white-space: nowrap; }
.link { background: none; border: none; color: var(--brand); cursor: pointer; font-size: 14px; padding: 0; text-decoration: underline; }
.link.danger { color: #b3403a; }
.inline { display: inline; }
.form-msg { background: #fdf6e3; border: 1px solid #ecd9a0; color: #7a5d10; border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; font-size: 14px; }
.form-tip { color: var(--ink2); font-size: 14px; margin-bottom: 12px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.editor-acts { display: flex; gap: 12px; }

/* 手机适配 */
@media (max-width: 640px) {
  body { font-size: 15px; }
  .head-in { height: 52px; }
  .brand { font-size: 16px; }
  .site-head nav { gap: 10px; }
  .site-head nav a:not(.btn-head) { display: none; }
  .hero { padding: 36px 0 28px; }
  .hero h1 { font-size: 25px; }
  .hero-sub br { display: none; }
  .post { padding: 22px 18px; }
  .post h1 { font-size: 22px; }
  .post-body table { font-size: 13.5px; display: block; overflow-x: auto; }
  .row2 { grid-template-columns: 1fr; }
  .admin-table { display: block; overflow-x: auto; }
}