/* SaaS Pick - 商务蓝灰色系 */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --green: #16a34a;
  --green-bg: #dcfce7;
  --orange: #ea580c;
  --orange-bg: #fff7ed;
  --red: #dc2626;
  --red-bg: #fef2f2;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --radius: 8px;
  --max-width: 1100px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container { display: flex; align-items: center; gap: 32px; }
.site-logo { font-size: 20px; font-weight: 700; color: var(--text); white-space: nowrap; }
.site-logo span { color: var(--primary); }
.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; }
.site-nav a { color: var(--text-secondary); font-size: 13px; padding: 6px 10px; border-radius: 6px; white-space: nowrap; transition: background 0.15s, color 0.15s; }
.site-nav a:hover { color: var(--primary); background: var(--primary-light); text-decoration: none; }
.nav-more { position: relative; }
.nav-more-btn { color: var(--text-secondary); font-size: 13px; padding: 6px 10px; border-radius: 6px; cursor: pointer; white-space: nowrap; border: 1px solid var(--border); background: none; transition: background 0.15s; }
.nav-more-btn:hover { color: var(--primary); background: var(--primary-light); }
.nav-dropdown { display: none; position: absolute; top: 100%; right: 0; margin-top: 6px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 8px; min-width: 160px; z-index: 200; }
.nav-more.open .nav-dropdown { display: block; }
.nav-dropdown a { display: block; padding: 8px 12px; color: var(--text-secondary); font-size: 13px; border-radius: 4px; white-space: nowrap; }
.nav-dropdown a:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; }

/* Breadcrumb */
.breadcrumb { padding: 12px 0; font-size: 13px; color: var(--text-light); }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb span { margin: 0 6px; }

/* Page Title */
h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
h2 { font-size: 22px; font-weight: 600; margin: 32px 0 16px; }
h3 { font-size: 18px; font-weight: 600; margin: 24px 0 12px; }
.page-desc { color: var(--text-secondary); font-size: 16px; margin-bottom: 32px; }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin: 20px 0; }

/* Tags */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
.tag-green { background: var(--green-bg); color: var(--green); }
.tag-orange { background: var(--orange-bg); color: var(--orange); }
.tag-red { background: var(--red-bg); color: var(--red); }
.tag-blue { background: var(--primary-light); color: var(--primary); }

/* Compare Table */
.compare-table-wrap { overflow-x: auto; margin: 20px 0; border-radius: var(--radius); border: 1px solid var(--border); }
.compare-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 600px; }
.compare-table th, .compare-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.compare-table th { background: #f1f5f9; font-weight: 600; white-space: nowrap; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .winner { background: #f0fdf4; }
.compare-table .mark-yes { color: var(--green); font-weight: 600; }
.compare-table .mark-no { color: var(--red); }
.compare-table .mark-partial { color: var(--orange); }

/* Pricing Table */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 20px 0; }
.pricing-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; }
.pricing-card.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.pricing-plan { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.pricing-price { font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.pricing-period { font-size: 13px; color: var(--text-secondary); margin-bottom: 16px; }
.pricing-features { list-style: none; text-align: left; font-size: 13px; }
.pricing-features li { padding: 4px 0; padding-left: 20px; position: relative; }
.pricing-features li::before { content: "✓"; position: absolute; left: 0; color: var(--green); }

/* Pros/Cons */
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 20px 0; }
.pros-list, .cons-list { list-style: none; }
.pros-list li, .cons-list li { padding: 6px 0 6px 24px; position: relative; font-size: 14px; }
.pros-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.cons-list li::before { content: "✗"; position: absolute; left: 0; color: var(--red); font-weight: 700; }

/* Migration Checklist */
.checklist { list-style: none; margin: 12px 0; }
.checklist li { padding: 8px 0 8px 32px; position: relative; font-size: 14px; border-bottom: 1px solid var(--border); }
.checklist li::before { content: "☐"; position: absolute; left: 4px; font-size: 16px; color: var(--text-secondary); }
.checklist li.critical::after { content: "必须"; position: absolute; right: 0; font-size: 11px; background: var(--red-bg); color: var(--red); padding: 1px 6px; border-radius: 4px; }
.phase-card { margin: 16px 0; padding: 20px; border-left: 3px solid var(--primary); background: var(--bg-card); border-radius: 0 var(--radius) var(--radius) 0; }
.phase-title { font-weight: 600; margin-bottom: 4px; }
.phase-duration { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }

/* Score Bar */
.score-bar { display: flex; align-items: center; gap: 8px; margin: 4px 0; }
.score-bar-fill { height: 6px; border-radius: 3px; background: var(--primary); }
.score-bar-track { flex: 1; height: 6px; border-radius: 3px; background: var(--border); }
.score-value { font-size: 13px; font-weight: 600; color: var(--primary); min-width: 32px; }

/* Team Size Badge */
.team-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 20px; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 500; }

/* Verdict Box */
.verdict { background: var(--primary-light); border-left: 4px solid var(--primary); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; margin: 20px 0; font-size: 15px; }

/* Tool Header */
.tool-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.tool-meta { flex: 1; }
.tool-name { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.tool-tagline { color: var(--text-secondary); font-size: 16px; }
.tool-badges { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

/* Section */
.section { margin: 40px 0; }
.section-title { font-size: 20px; font-weight: 600; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }

/* Footer */
.site-footer { background: var(--bg-card); border-top: 1px solid var(--border); padding: 32px 0; margin-top: 60px; }
.footer-links { display: flex; gap: 24px; justify-content: center; margin-bottom: 12px; }
.footer-links a { color: var(--text-secondary); font-size: 13px; }
.footer-copy { text-align: center; color: var(--text-light); font-size: 12px; }

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 24px; }
  .card-grid { grid-template-columns: 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 2px; }
  .site-nav a { font-size: 12px; padding: 5px 6px; }
  .nav-more-btn { font-size: 12px; padding: 5px 6px; }
  .compare-table-wrap { margin: 12px -20px; border-radius: 0; border-left: none; border-right: none; }
  .tool-header { flex-direction: column; }
}

@media print {
  .site-header, .site-footer, .site-nav { display: none; }
  .checklist li::before { content: "□"; }
  body { background: white; font-size: 12px; }
  .card { box-shadow: none; border: 1px solid #ddd; }
}