:root {
  --primary: #1763d6;
  --primary-dark: #0f4aa8;
  --primary-light: #e8f1ff;
  --accent: #00b8a9;
  --text: #1f2d3d;
  --muted: #6b7a8d;
  --bg: #ffffff;
  --bg-soft: #f5f8fd;
  --border: #e3e9f2;
  --shadow: 0 6px 24px rgba(23, 99, 214, 0.08);
  --radius: 14px;
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-soft { background: var(--bg-soft); }
.section-title { text-align: center; margin-bottom: 14px; font-size: 30px; font-weight: 800; letter-spacing: .5px; }
.section-sub { text-align: center; color: var(--muted); margin-bottom: 44px; font-size: 16px; }

/* 按钮 */
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 999px;
  font-weight: 600; font-size: 15px; cursor: pointer; border: none;
  transition: all .2s ease; text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-light { background: rgba(255,255,255,.15); color: #fff; border: 1.5px solid rgba(255,255,255,.5); }
.btn-light:hover { background: rgba(255,255,255,.28); }

/* 首屏双按钮：醒目配色（非白色） */
.btn-hero-primary {
  background: linear-gradient(135deg, #ffd34d 0%, #ff9f1c 100%);
  color: #3a2a00; font-weight: 800; border: none;
  box-shadow: 0 8px 24px rgba(255,159,28,.35);
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255,159,28,.5);
  filter: brightness(1.05);
}
.btn-hero-secondary {
  background: rgba(0,184,169,.16); color: #fff;
  border: 1.6px solid #2ee6d6; font-weight: 700;
}
.btn-hero-secondary:hover {
  background: rgba(0,184,169,.32); border-color: #5bf2e6;
  transform: translateY(-2px);
}

/* 顶部导航 */
.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--primary); }
.logo .mark {
  width: 36px; height: 36px; border-radius: 9px; background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 800;
}
.logo-img { height: 40px; width: auto; object-fit: contain; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  padding: 8px 15px; border-radius: 8px; font-size: 16px; color: var(--text); font-weight: 600; letter-spacing: .3px; transition: .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: var(--primary-light); }
.nav-cta { margin-left: 12px; }
.nav-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--primary); }

/* 导航下拉菜单 */
.has-dropdown { position: relative; padding-bottom: 8px; }
.caret { font-size: 10px; margin-left: 2px; opacity: .7; }
.dropdown {
  position: absolute; top: 100%; left: 0;
  min-width: 180px; background: #fff; border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 12px 30px rgba(20,40,80,.14); padding: 6px; list-style: none;
  opacity: 0; visibility: hidden; pointer-events: none; transition: .15s; z-index: 50;
}
.dropdown::before { content: ''; position: absolute; top: -8px; left: 20px; border: 7px solid transparent; border-bottom-color: #fff; }
.has-dropdown:hover > .dropdown { opacity: 1; visibility: visible; pointer-events: auto; }
.dropdown li a { display: block; padding: 9px 14px; border-radius: 8px; font-size: 14.5px; font-weight: 500; color: var(--text); white-space: nowrap; }
.dropdown li a:hover { background: var(--primary-light); color: var(--primary); }
.has-dropdown:hover > a { color: var(--primary); background: var(--primary-light); }

/* Hero */
.hero {
  position: relative; padding: 96px 0 86px; color: #fff; overflow: hidden;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(0,184,169,.45), transparent),
              linear-gradient(135deg, #0f4aa8 0%, #1763d6 55%, #2b7be0 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .5;
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; padding: 7px 16px; border-radius: 999px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3);
  font-size: 14px; margin-bottom: 22px;
}
.hero h1 { font-size: 40px; line-height: 1.3; font-weight: 800; max-width: 820px; margin-bottom: 18px; }
.hero p { font-size: 18px; max-width: 640px; opacity: .92; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
/* 首屏数据条 */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  margin-top: 40px;
  padding: 22px 28px;
  background: rgba(10,20,40,.55);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 14px;
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-size: 34px; font-weight: 900; line-height: 1.1; color: #ffd34d; letter-spacing: .5px; text-shadow: 0 2px 10px rgba(0,0,0,.5); }
.stat-label { font-size: 14px; color: #ffffff; font-weight: 600; }

/* 网格卡片 */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: .2s; height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card .ico {
  width: 50px; height: 50px; border-radius: 12px; background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 800; margin-bottom: 16px;
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }

/* 痛点 */
.pain-card {
  border-left: 4px solid var(--primary);
  padding-top: 32px;
  padding-bottom: 32px;
}
.pain-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.4;
}
.pain-card p {
  font-size: 15px;
  line-height: 1.7;
}

/* 护航计划 */
.plan-step { position: relative; display: flex; gap: 18px; padding: 22px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.plan-step .no {
  flex: 0 0 46px; width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.plan-step h3 { font-size: 17px; margin-bottom: 6px; }
.plan-step p { color: var(--muted); font-size: 14px; }
.plan-step .deliver { margin-top: 8px; font-size: 13px; color: var(--primary); font-weight: 600; }

/* 关于页正文高亮 */
.about-intro { font-size: 16px; line-height: 1.9; }
.hl-company { color: var(--primary); font-weight: 700; font-size: 17px; }
.hl-num { color: #e63946; font-weight: 800; }

/* 统计 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat .num { font-size: 38px; font-weight: 800; color: var(--primary); }
.stat .label { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* 关于 */
.about-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.about-text p { color: var(--muted); white-space: pre-line; margin-bottom: 12px; }
.about-highlights { list-style: none; }
.about-highlights li { padding: 10px 0 10px 30px; position: relative; border-bottom: 1px dashed var(--border); }
.about-highlights li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }

/* 案例 */
.case-card { display: flex; flex-direction: column; }
.case-card .tag { align-self: flex-start; background: var(--primary-light); color: var(--primary); font-size: 14px; font-weight: 700; padding: 5px 14px; border-radius: 999px; margin-bottom: 12px; }
.case-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.case-card .row { font-size: 14px; color: var(--muted); margin-top: 6px; }
.case-card .row b { color: var(--text); }

/* 文章列表 */
.article-card { display: flex; flex-direction: column; }
.article-card .meta { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.article-card h3 { font-size: 18px; margin-bottom: 8px; }
.article-card p { color: var(--muted); font-size: 14px; flex: 1; }
.article-card .more { color: var(--primary); font-weight: 600; font-size: 14px; margin-top: 14px; }
/* 文章封面图（列表卡片 / 相关阅读） */
.article-card { overflow: hidden; }
.article-cover {
  width: calc(100% + 56px); margin: -28px -28px 16px; aspect-ratio: 16 / 10;
  overflow: hidden; background: var(--primary-light); border-radius: var(--radius) var(--radius) 0 0;
}
.article-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.article-card:hover .article-cover img { transform: scale(1.06); }
/* 文章详情页大图 */
.article-cover-img {
  width: 100%; max-width: 820px; margin: 20px auto 28px; display: block;
  border-radius: 12px; box-shadow: var(--shadow);
}

/* 文章详情 */
.article-body { max-width: 820px; margin: 0 auto; }
.article-body h1 { font-size: 30px; margin-bottom: 10px; }
.article-body .meta { color: var(--muted); margin-bottom: 26px; font-size: 14px; }
.article-body h2 { font-size: 22px; margin: 28px 0 12px; }
.article-body h3 { font-size: 18px; margin: 22px 0 10px; }
.article-body p { margin-bottom: 14px; }
.article-body ul, .article-body ol { margin: 0 0 14px 22px; }
.article-body li { margin-bottom: 6px; }
.article-body code { background: var(--bg-soft); padding: 2px 6px; border-radius: 5px; font-size: 14px; }
.article-body pre { background: #0f1b2d; color: #e6edf3; padding: 16px; border-radius: 10px; overflow: auto; margin-bottom: 16px; }
.article-body blockquote { border-left: 4px solid var(--primary); padding: 6px 16px; color: var(--muted); background: var(--bg-soft); border-radius: 0 8px 8px 0; margin-bottom: 14px; }
/* 文章底部咨询引导 */
.article-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin: 36px 0 8px; padding: 22px 26px;
  background: linear-gradient(120deg, var(--primary-soft), #eef4ff);
  border: 1px solid rgba(37,99,235,.18);
  border-radius: 14px;
}
.ac-text { display: flex; flex-direction: column; gap: 4px; }
.ac-text strong { font-size: 17px; color: var(--text); }
.ac-text span { font-size: 14px; color: var(--muted); }
.article-cta .btn-primary { white-space: nowrap; padding: 12px 24px; font-size: 15px; font-weight: 700; }

/* CTA 条 */
.cta-bar { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; border-radius: 18px; padding: 44px; text-align: center; }
.cta-bar h2 { font-size: 26px; margin-bottom: 10px; }
.cta-bar p { opacity: .9; margin-bottom: 24px; }

/* 页脚 */
.footer { background: #0e1b2e; color: #c7d2e0; padding: 54px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr 1fr .9fr; gap: 30px; }
.footer h4 { color: #fff; margin-bottom: 16px; font-size: 16px; }

/* 公众号二维码 */
.footer-qrcode { text-align: center; }
.qr-list { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.qr-item { width: 120px; }
.qr-item img {
  width: 120px; height: 120px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,.15);
  padding: 6px;
  background: #fff;
}
.qr-item p {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.5;
  opacity: .75;
}
.footer a { color: #c7d2e0; display: block; padding: 5px 0; font-size: 14px; }
.footer a:hover { color: #fff; }
.footer .contact-line { font-size: 14px; padding: 5px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 34px; padding-top: 18px; text-align: center; font-size: 13px; color: #8a99ad; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info .line { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-info .line .k { color: var(--primary); font-weight: 700; width: 84px; flex: 0 0 84px; }
.form input, .form textarea, .form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; font-size: 15px;
  font-family: inherit; margin-bottom: 14px; background: #fff; color: var(--text);
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.form textarea { min-height: 130px; resize: vertical; }
.alert { background: #e7f7ee; color: #1c7a45; border: 1px solid #b6e6c9; padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; }

/* 面包屑 / 页头 */
.page-head { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: 56px 0 46px; }
.page-head h1 { font-size: 32px; font-weight: 800; }
.page-head p { opacity: .9; margin-top: 8px; }

/* 筛选 */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.chip { padding: 8px 20px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--border); font-size: 15px; font-weight: 600; color: var(--muted); }
.chip.active, .chip:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ============ 后台 ============ */
.admin-body { background: #f0f3f8; }
.admin-nav { background: #0e1b2e; color: #fff; padding: 0 0 0 0; }
.admin-nav .inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.admin-nav .brand { font-weight: 800; color: #fff; font-size: 17px; }
.admin-nav a { color: #c7d2e0; padding: 8px 12px; border-radius: 8px; font-size: 14px; }
.admin-nav a:hover, .admin-nav a.active { background: rgba(255,255,255,.12); color: #fff; }
.admin-nav .links { display: flex; gap: 4px; align-items: center; }
.admin-shell { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 60px); }
.admin-side { background: #fff; border-right: 1px solid var(--border); padding: 20px 14px; }
.admin-side a { display: block; padding: 11px 14px; border-radius: 9px; color: var(--text); font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.admin-side a:hover, .admin-side a.active { background: var(--primary-light); color: var(--primary); }
.admin-main { padding: 28px; overflow: auto; }
.admin-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px; margin-bottom: 22px; }
.admin-card h2 { font-size: 20px; margin-bottom: 6px; }
.admin-card .hint { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
.admin-table th { color: var(--muted); font-weight: 600; font-size: 13px; }
.badge-pub { background: #e7f7ee; color: #1c7a45; padding: 3px 10px; border-radius: 999px; font-size: 12px; }
.badge-draft { background: #fff2e6; color: #b8631a; padding: 3px 10px; border-radius: 999px; font-size: 12px; }
.row-actions { display: flex; gap: 8px; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-danger { background: #ffe9e9; color: #c0392b; }
.btn-danger:hover { background: #ffd6d6; }
.btn-edit { background: var(--primary-light); color: var(--primary); }
.btn-edit:hover { background: #d6e6ff; }
.stat-boxes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-box { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.stat-box .n { font-size: 30px; font-weight: 800; color: var(--primary); }
.stat-box .l { color: var(--muted); font-size: 13px; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 20px; }
.login-box { background: #fff; border-radius: 16px; padding: 40px; width: 100%; max-width: 380px; box-shadow: var(--shadow); }
.login-box h1 { font-size: 22px; text-align: center; margin-bottom: 6px; }
.login-box .sub { text-align: center; color: var(--muted); margin-bottom: 26px; font-size: 14px; }
.login-box .err { background: #ffe9e9; color: #c0392b; padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; text-align: center; }
.nav-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.nav-row input { flex: 1; min-width: 160px; }

/* 响应式 */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .about-wrap, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-boxes { grid-template-columns: repeat(2, 1fr); }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { display: flex; gap: 6px; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .admin-side a { white-space: nowrap; margin-bottom: 0; }
}
@media (max-width: 680px) {
  .section { padding: 52px 0; }
  .section-title { font-size: 24px; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 27px; }
  .hero p { font-size: 16px; }
  .hero-stats { gap: 16px 24px; margin-top: 28px; padding: 18px 20px; border-radius: 12px; }
  .stat-num { font-size: 26px; }
  .stat-label { font-size: 13px; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch;
    padding: 14px 20px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; width: 100%; padding: 14px 10px; text-align: right; font-size: 17px; font-weight: 600; }
  .nav-cta { margin: 8px 0 0; }
  .nav-toggle { display: block; }
  /* 移动端：隐藏下拉子菜单，点击父级直接跳转 */
  .has-dropdown { position: static; }
  .dropdown { display: none !important; }
  .has-dropdown .caret { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-bar { padding: 30px 20px; }
  .admin-table thead { display: none; }
  .admin-table tr { display: block; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; padding: 8px; }
  .admin-table td { display: flex; justify-content: space-between; border: none; padding: 8px 6px; }
  .admin-table td::before { content: attr(data-label); color: var(--muted); font-weight: 600; }
}

/* ===== 后台（与 EJS 标记对齐的样式） ===== */
.admin-nav {
  position: sticky; top: 0; z-index: 50;
  background: #0e1b2e; color: #fff;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; padding: 0 22px;
}
.admin-brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 16px; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); }
.admin-nav-right { display: flex; align-items: center; gap: 12px; }
.admin-user { color: #c7d2e0; font-size: 14px; }
.admin-nav-right .btn-ghost { padding: 6px 14px; font-size: 13px; }

.admin-shell { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 60px); }
.admin-side { background: #fff; border-right: 1px solid var(--border); padding: 20px 14px; }
.side-item { display: block; padding: 11px 14px; border-radius: 9px; color: var(--text); font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.side-item:hover { background: var(--primary-light); color: var(--primary); }
.side-item.active { background: var(--primary); color: #fff; }
.admin-main { padding: 28px; overflow: auto; }

.admin-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.admin-title { font-size: 24px; font-weight: 800; }
.admin-sub { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.admin-hr { border: none; border-top: 1px solid var(--border); margin: 34px 0 26px; }
.sec-title { font-size: 17px; font-weight: 700; margin: 26px 0 14px; }

.admin-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 26px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px; transition: .15s; }
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.stat-num { font-size: 32px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 15px; font-weight: 600; margin-top: 4px; }
.stat-sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
.admin-quick { display: flex; gap: 12px; flex-wrap: wrap; }

.admin-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.admin-table th, .admin-table td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--border); font-size: 14px; }
.admin-table th { background: var(--bg-soft); color: var(--muted); font-weight: 600; font-size: 13px; }
.admin-table tr:last-child td { border-bottom: none; }
.link-view { color: var(--primary); font-weight: 600; }
.link-view:hover { text-decoration: underline; }
.badge { padding: 3px 11px; border-radius: 999px; font-size: 12px; }
.badge.on { background: #e7f7ee; color: #1c7a45; }
.badge.off { background: #fff2e6; color: #b8631a; }
.row-actions { display: flex; gap: 8px; align-items: center; }
.btn-mini { padding: 6px 13px; font-size: 13px; border-radius: 8px; background: var(--primary-light); color: var(--primary); border: none; cursor: pointer; }
.btn-mini:hover { background: #d6e6ff; }
.btn-mini.danger { background: #ffe9e9; color: #c0392b; }
.btn-mini.danger:hover { background: #ffd6d6; }

.admin-form { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-col { display: flex; flex-direction: column; gap: 6px; }
.admin-form label { font-size: 13px; font-weight: 600; color: var(--text); margin-top: 10px; }
.admin-form input[type=text], .admin-form input[type=password], .admin-form textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
.admin-form select.cat-select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; font-size: 14px; font-family: inherit; background: #fff; color: var(--text); cursor: pointer;
}
.admin-form select.cat-select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.admin-form input:focus, .admin-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.seo-box { border: 1px dashed var(--primary); background: var(--primary-light); border-radius: 12px; padding: 16px 18px; margin: 14px 0 6px; }
.seo-box .seo-box-title { font-weight: 700; color: var(--primary); font-size: 14px; margin-bottom: 12px; }
.seo-box label { margin-top: 4px; }
.md-area { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 13px; line-height: 1.6; }
.check-line { display: flex; align-items: center; gap: 8px; font-weight: 500 !important; margin-top: 12px; }
.check-line input { width: auto !important; }
.form-actions { margin-top: 20px; display: flex; gap: 12px; }
.empty { text-align: center; color: var(--muted); padding: 26px 0 !important; }

.alert.ok { background: #e7f7ee; color: #1c7a45; border: 1px solid #b6e6c9; padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; }
.alert.err { background: #ffe9e9; color: #c0392b; border: 1px solid #f3c4c4; padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; }

@media (max-width: 980px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { display: flex; gap: 6px; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--border); padding: 12px; }
  .side-item { white-space: nowrap; margin-bottom: 0; }
  .admin-cards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .admin-main { padding: 18px; }
  .admin-table thead { display: none; }
  .admin-table, .admin-table tbody, .admin-table tr, .admin-table td { display: block; width: 100%; }
  .admin-table tr { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; padding: 6px; }
  .admin-table td { display: flex; justify-content: space-between; align-items: center; border: none; padding: 8px 6px; border-bottom: 1px dashed var(--border); }
  .admin-table td:last-child { border-bottom: none; }
  .admin-table td::before { content: attr(data-label); color: var(--muted); font-weight: 600; }
}

/* ═══════════════════ 联系页（重做版） ═══════════════════ */

.ct-banner {
  background: linear-gradient(135deg, #0f4aa8 0%, #1763d6 50%, #00b8a9 100%);
  color: #fff;
  padding: 64px 20px 56px;
  text-align: center;
}
.ct-banner h1 { font-size: 36px; margin-bottom: 12px; letter-spacing: 1px; }
.ct-banner p { font-size: 16px; opacity: .88; max-width: 560px; margin: 0 auto; line-height: 1.7; }

.ct-section { padding: 48px 20px 72px; }

.ct-alert {
  text-align: center; padding: 14px 24px; border-radius: 10px; font-size: 15px;
  margin-bottom: 32px; animation: fadeInUp .4s ease;
}
.ct-alert.ok { background: #e6f9ed; color: #1a7a3a; border: 1px solid #b8e8c8; }

.ct-body {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 36px;
  align-items: start;
}

/* ── 左侧信息卡片 ── */
.ct-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 14px; padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
}
.ct-card h3 {
  font-size: 18px; margin-bottom: 18px; color: var(--text);
  padding-bottom: 12px; border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.ct-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 13px 0; border-bottom: 1px solid #f2f4f8;
}
.ct-item:last-child { border-bottom: none; }
.ct-item-wide { align-items: center; }

.ct-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, #eaf2fe, #dbeafe);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ct-icon svg { width: 19px; height: 19px; stroke: var(--primary); }
.ct-item > div b { display: block; font-size: 13px; color: var(--muted); margin-bottom: 3px; }
.ct-item > div span { font-size: 15px; color: var(--text); word-break: break-all; }

.ct-time-card { margin-top: 24px; }
.ct-time-card p { font-size: 15px; color: #555; line-height: 1.65; }

/* ── 右侧表单卡片 ── */
.ct-form-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 14px; padding: 36px 32px;
  box-shadow: 0 4px 20px rgba(23,99,214,.07);
}
.ct-form-card h3 {
  font-size: 22px; margin-bottom: 6px; color: var(--text);
}
.ct-hint { color: var(--muted); font-size: 14px; margin-bottom: 26px; }

.ct-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.ct-field { margin-bottom: 18px; }
.ct-field label {
  display: block; font-size: 14px; font-weight: 600; color: var(--text);
  margin-bottom: 6px;
}
.ct-field input,
.ct-field textarea {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid #dde3eb; border-radius: 10px;
  font-size: 15px; font-family: inherit; color: var(--text);
  transition: border-color .25s, box-shadow .25s;
  outline: none; background: #fafbfd;
}
.ct-field input:focus,
.ct-field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23,99,214,.12);
  background: #fff;
}
.ct-field input::placeholder,
.ct-field textarea::placeholder { color: #bbb; }
.ct-field textarea { resize: vertical; min-height: 110px; line-height: 1.6; }

.ct-submit {
  width: 100%; padding: 15px 24px;
  background: linear-gradient(135deg, var(--primary), #0f82c4);
  color: #fff; border: none; border-radius: 11px;
  font-size: 17px; font-weight: 700; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: transform .15s, box-shadow .25s, opacity .25s;
  letter-spacing: .5px;
}
.ct-submit svg { width: 20px; height: 20px; stroke: currentColor; fill: none; }
.ct-submit:hover { transform: translateY(-1.5px); box-shadow: 0 8px 24px rgba(23,99,214,.35); }
.ct-submit:active { transform: translateY(0); }

@keyframes fadeInUp { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }

/* ── 移动端适配 ── */
@media (max-width: 980px) {
  .ct-banner h1 { font-size: 28px; }
  .ct-banner p br.hide-mob { display: none; }
  .ct-body { grid-template-columns: 1fr; }
  .ct-info-col { order: 2; }   /* 表单在上，信息在下 */
  .ct-form-col { order: 1; }
  .ct-form-card { padding: 28px 22px; }
  .ct-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .ct-banner { padding: 44px 16px 38px; }
  .ct-banner h1 { font-size: 24px; }
  .ct-section { padding: 32px 16px 52px; }
  .ct-form-card { padding: 22px 18px; }
}

/* ===== 服务卡片（首页） ===== */
a.service-card { display: block; text-decoration: none; color: inherit; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
a.service-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(23,99,214,.16); border-color: var(--primary); }
.service-card .card-more { display: inline-block; margin-top: 12px; color: var(--primary); font-weight: 600; font-size: 14px; transition: letter-spacing .2s ease; }
a.service-card:hover .card-more { letter-spacing: 1px; }

/* ===== 服务详情页 ===== */
.sv-hero { background: linear-gradient(135deg, var(--primary) 0%, #0f4bb0 60%, var(--accent) 140%); color: #fff; padding: 30px 0 44px; }
.sv-hero-inner { display: flex; align-items: center; gap: 22px; margin-top: 18px; }
.sv-ico { font-size: 52px; line-height: 1; width: 88px; height: 88px; flex: 0 0 88px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.14); border-radius: 22px; }
.sv-kicker { display: inline-block; font-size: 13px; letter-spacing: 2px; color: #cfe0ff; text-transform: uppercase; }
.sv-hero h1 { font-size: 30px; margin: 6px 0 10px; }
.sv-sub { font-size: 16px; opacity: .9; max-width: 720px; line-height: 1.7; }
.sv-card { padding: 30px; }
.sv-nav { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 34px; }
.sv-nav-item { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border: 1px solid var(--border); border-radius: 999px; font-size: 14px; color: var(--text); text-decoration: none; transition: all .2s ease; }
.sv-nav-item:hover { border-color: var(--primary); color: var(--primary); }
.sv-nav-item.active { background: var(--primary); border-color: var(--primary); color: #fff; }
@media (max-width: 680px) {
  .sv-hero-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .sv-hero h1 { font-size: 24px; }
  .sv-ico { width: 72px; height: 72px; font-size: 42px; flex-basis: 72px; }
}