/* 蜂忙科技 - 全站样式 */
:root {
  --c-text: #1a1f2c;
  --c-text-2: #4a5267;
  --c-text-3: #8a92a6;
  --c-line: #ececf0;
  --c-line-2: #f4f4f7;
  --c-bg: #ffffff;
  --c-bg-2: #fafafa;
  --c-bg-3: #f6f7f9;
  --c-accent: #2d5bff;
  --c-accent-2: #1d3eb8;
  --c-accent-soft: #eef2ff;
  --c-success: #18b88a;
  --c-warn: #f59e0b;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-1: 0 1px 2px rgba(20, 24, 40, 0.04);
  --shadow-2: 0 6px 24px rgba(20, 24, 40, 0.06);
  --container: 1180px;
  --header-h: 64px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: 0.2px; font-size: 17px;
}
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, #2d5bff 0%, #4f80ff 100%);
  position: relative; overflow: hidden;
}
.brand-mark::before, .brand-mark::after {
  content: ""; position: absolute; background: rgba(255,255,255,0.85);
  border-radius: 2px;
}
.brand-mark::before { left: 6px; top: 6px; width: 10px; height: 3px; }
.brand-mark::after  { left: 6px; top: 12px; width: 16px; height: 3px; }
.brand-mark span {
  position: absolute; left: 6px; top: 18px; width: 13px; height: 3px;
  background: rgba(255,255,255,0.85); border-radius: 2px; display:block;
}
.nav-menu { display: flex; gap: 30px; }
.nav-menu a {
  color: var(--c-text-2);
  font-size: 14px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-menu a:hover, .nav-menu a.active {
  color: var(--c-text);
  border-bottom-color: var(--c-accent);
}
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; font-size: 14px; font-weight: 500;
  border-radius: 8px; border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--c-accent); color: #fff;
}
.btn-primary:hover { background: var(--c-accent-2); }
.btn-ghost {
  background: transparent; color: var(--c-text); border-color: var(--c-line);
}
.btn-ghost:hover { background: var(--c-bg-3); }
.btn-lg { padding: 13px 26px; font-size: 15px; }

/* ===== Hero ===== */
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(800px 320px at 80% 0%, rgba(45,91,255,0.06), rgba(45,91,255,0) 60%),
    radial-gradient(600px 280px at 0% 10%, rgba(24,184,138,0.05), rgba(24,184,138,0) 60%);
  border-bottom: 1px solid var(--c-line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border: 1px solid var(--c-line);
  border-radius: 999px; font-size: 12px; color: var(--c-text-2);
  background: #fff;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-success); }
.hero h1 {
  font-size: 44px; line-height: 1.18; margin: 18px 0 16px; letter-spacing: -0.5px;
}
.hero h1 em { font-style: normal; color: var(--c-accent); }
.hero p.lead { color: var(--c-text-2); font-size: 16px; max-width: 560px; }
.hero-actions { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 28px; display: flex; gap: 28px; flex-wrap: wrap;
  font-size: 13px; color: var(--c-text-3);
}
.hero-meta b { color: var(--c-text); font-size: 18px; display: block; margin-bottom: 2px; }

/* Hero illustration */
.hero-illu {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  padding: 22px;
  position: relative;
}
.hero-illu .row { display: flex; gap: 12px; }
.hero-illu .stat {
  flex: 1; padding: 14px;
  background: var(--c-bg-3); border-radius: var(--radius);
}
.hero-illu .stat .label { font-size: 12px; color: var(--c-text-3); }
.hero-illu .stat .value { font-size: 22px; font-weight: 600; margin-top: 4px; }
.hero-illu .chart { margin-top: 16px; height: 160px; position: relative; }
.hero-illu .chart svg { width: 100%; height: 100%; }
.hero-illu .legend {
  margin-top: 12px; display: flex; gap: 16px; font-size: 12px; color: var(--c-text-3);
}
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section.alt { background: var(--c-bg-2); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 {
  font-size: 32px; margin: 0 0 10px; letter-spacing: -0.3px;
}
.section-head p {
  color: var(--c-text-2); margin: 0; font-size: 15px;
}

/* ===== Feature cards ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 26px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover { border-color: #d6def8; box-shadow: var(--shadow-2); }
.card .icon {
  width: 38px; height: 38px; border-radius: 9px;
  background: var(--c-accent-soft); color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.card h3 { font-size: 17px; margin: 0 0 8px; }
.card p { color: var(--c-text-2); font-size: 14px; margin: 0; }

/* ===== Logos ===== */
.logos {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 16px; margin-top: 36px; align-items: center;
}
.logo-item {
  height: 48px; border: 1px solid var(--c-line); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text-3); font-weight: 600; font-size: 14px; letter-spacing: 0.5px;
  background: #fff;
}

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 24px; position: relative;
}
.step .num {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--c-accent-soft); color: var(--c-accent);
  font-weight: 700; font-size: 13px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.step h4 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--c-text-2); font-size: 13.5px; }

/* ===== Pricing ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.plan {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 28px;
  display: flex; flex-direction: column;
}
.plan.featured {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(45,91,255,0.08);
  position: relative;
}
.plan.featured::before {
  content: "推荐";
  position: absolute; top: -10px; right: 22px;
  background: var(--c-accent); color: #fff;
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
}
.plan h3 { margin: 0; font-size: 18px; }
.plan .desc { color: var(--c-text-3); font-size: 13px; margin: 4px 0 18px; }
.plan .price { font-size: 36px; font-weight: 700; }
.plan .price small { font-size: 14px; color: var(--c-text-3); font-weight: 500; }
.plan .unit { font-size: 13px; color: var(--c-text-3); margin-top: 4px; }
.plan ul { list-style: none; padding: 0; margin: 22px 0 24px; }
.plan ul li {
  font-size: 14px; color: var(--c-text-2);
  padding: 7px 0; display: flex; align-items: flex-start; gap: 8px;
}
.plan ul li::before {
  content: "✓"; width: 16px; height: 16px; flex: none; margin-top: 2px;
  color: var(--c-accent); font-size: 16px; line-height: 1; font-weight: 700;
}
.plan .btn { margin-top: auto; width: 100%; }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; border: 1px solid var(--c-line); border-radius: var(--radius-lg); background: #fff; }
.table {
  width: 100%; border-collapse: collapse; font-size: 14px;
}
.table th, .table td {
  padding: 14px 18px; text-align: left;
  border-bottom: 1px solid var(--c-line-2);
}
.table thead th {
  background: var(--c-bg-3); font-weight: 600; color: var(--c-text);
}
.table tbody tr:last-child td { border-bottom: none; }

/* ===== Generic page ===== */
.page-head {
  padding: 64px 0 36px;
  background: var(--c-bg-2);
  border-bottom: 1px solid var(--c-line);
}
.page-head h1 { font-size: 34px; margin: 0 0 8px; letter-spacing: -0.3px; }
.page-head p { margin: 0; color: var(--c-text-2); font-size: 15px; }
.crumb { font-size: 13px; color: var(--c-text-3); margin-bottom: 10px; }
.crumb a:hover { color: var(--c-accent); }

.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { font-size: 22px; margin: 36px 0 12px; }
.prose h3 { font-size: 17px; margin: 22px 0 8px; }
.prose p, .prose li { color: var(--c-text-2); }
.prose ul, .prose ol { padding-left: 22px; }

/* ===== Cases ===== */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 26px;
}
.case .tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: var(--c-accent-soft); color: var(--c-accent);
  font-size: 12px; font-weight: 500; margin-bottom: 12px;
}
.case h3 { margin: 0 0 8px; font-size: 18px; }
.case p { color: var(--c-text-2); font-size: 14px; margin: 0 0 14px; }
.case .metrics { display: flex; gap: 22px; padding-top: 14px; border-top: 1px dashed var(--c-line); }
.case .metrics div { font-size: 13px; color: var(--c-text-3); }
.case .metrics b { display: block; color: var(--c-text); font-size: 18px; font-weight: 600; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.contact-card {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 28px;
}
.contact-card h3 { margin: 0 0 14px; font-size: 18px; }
.contact-card .row {
  display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--c-line-2);
}
.contact-card .row:last-child { border-bottom: none; }
.contact-card .row .k { width: 84px; color: var(--c-text-3); flex: none; font-size: 14px; }
.contact-card .row .v { color: var(--c-text); font-size: 14px; }

.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-row label { font-size: 13px; color: var(--c-text-2); }
.form-row input, .form-row textarea, .form-row select {
  border: 1px solid var(--c-line); border-radius: 8px;
  padding: 10px 12px; font-size: 14px; font-family: inherit;
  background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(45,91,255,0.12);
}

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(135deg, #1d3eb8 0%, #2d5bff 100%);
  color: #fff; border-radius: var(--radius-lg);
  padding: 40px 44px;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
}
.cta-banner h3 { margin: 0 0 6px; font-size: 22px; }
.cta-banner p { margin: 0; color: rgba(255,255,255,0.85); font-size: 14px; }
.cta-banner .btn { background: #fff; color: var(--c-accent); border-color: #fff; }
.cta-banner .btn:hover { background: #f1f4ff; }

/* ===== Footer ===== */
.site-footer {
  background: #0e1220; color: #aab1c4; padding: 56px 0 26px; margin-top: 60px;
}
.foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px;
  padding-bottom: 36px; border-bottom: 1px solid #1c2238;
}
.foot-grid .brand { color: #fff; font-size: 18px; }
.foot-grid h5 {
  color: #fff; font-size: 14px; margin: 0 0 14px; font-weight: 600;
}
.foot-grid ul { list-style: none; padding: 0; margin: 0; }
.foot-grid ul li { padding: 4px 0; font-size: 13.5px; }
.foot-grid ul li a:hover { color: #fff; }
.foot-info p { font-size: 13px; margin: 6px 0; }
.foot-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 22px; font-size: 12.5px; color: #6f778f; flex-wrap: wrap; gap: 12px;
}
.foot-bottom a { color: #6f778f; }
.foot-bottom a:hover { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero { padding: 56px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 32px; }
  .cards, .steps, .pricing-grid, .case-grid, .contact-grid { grid-template-columns: 1fr; }
  .logos { grid-template-columns: repeat(3, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-menu { display: none; }
  .cta-banner { flex-direction: column; align-items: flex-start; padding: 28px; }
  .section { padding: 56px 0; }
}