/* Perqly 企业官网 · 共享样式（轻量、无构建、可直接部署） */
:root {
  --brand: #5b5bd6;
  --brand-deep: #4338ca;
  --brand-soft: #eef0fb;
  --ink: #1f2430;
  --ink-2: #5b6472;
  --ink-3: #8a93a3;
  --line: #e9ecf2;
  --bg: #ffffff;
  --bg-alt: #f7f8fc;
  --radius: 16px;
  --maxw: 1080px;
  --shadow: 0 8px 30px rgba(31, 36, 48, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.3; color: var(--ink); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.eyebrow { color: var(--brand); font-weight: 700; letter-spacing: .08em; font-size: 13px; text-transform: uppercase; margin: 0 0 10px; }
.section h2 { font-size: 30px; margin: 0 0 14px; letter-spacing: -.01em; }
.section .lead { color: var(--ink-2); font-size: 17px; max-width: 680px; margin: 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.logo {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--brand), #7c6cf0);
  color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 18px;
  box-shadow: 0 4px 12px rgba(91, 91, 214, .35);
}
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--ink-2); font-size: 15px; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--brand-deep); text-decoration: none; }

/* Hero */
.hero { padding: 96px 0 80px; background: radial-gradient(1200px 400px at 70% -10%, #eef0fb 0, #fff 60%); }
.hero h1 { font-size: 44px; letter-spacing: -.02em; margin: 0 0 18px; }
.hero h1 .grad { background: linear-gradient(120deg, var(--brand), #8b5cf6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 19px; color: var(--ink-2); max-width: 620px; margin: 0 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 12px; font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); text-decoration: none; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-deep); text-decoration: none; }

/* Feature cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin-top: 36px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card .ico { width: 42px; height: 42px; border-radius: 10px; background: var(--brand-soft); color: var(--brand-deep); display: grid; place-items: center; font-size: 22px; margin-bottom: 14px; }
.card h3 { font-size: 17px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* Info table */
.info { width: 100%; border-collapse: collapse; margin-top: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.info th, .info td { text-align: left; padding: 15px 20px; border-bottom: 1px solid var(--line); font-size: 15px; vertical-align: top; }
.info tr:last-child th, .info tr:last-child td { border-bottom: 0; }
.info th { width: 190px; color: var(--ink-2); font-weight: 600; background: var(--bg-alt); white-space: nowrap; }

/* Contact blocks */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 30px; }
.contact-grid .card .label { color: var(--ink-3); font-size: 13px; }
.contact-grid .card .val { font-size: 17px; font-weight: 600; margin-top: 4px; word-break: break-all; }

/* Prose (privacy/terms) */
.prose { max-width: 760px; }
.prose h2 { font-size: 22px; margin: 34px 0 10px; }
.prose p, .prose li { color: var(--ink-2); font-size: 15.5px; }
.prose ul { padding-left: 20px; }
.prose .muted { color: var(--ink-3); font-size: 13.5px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-alt); padding: 40px 0; margin-top: 0; }
.foot { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; justify-content: center; text-align: center; color: var(--ink-3); font-size: 13.5px; }
.foot a { color: var(--ink-3); }
.foot a:hover { color: var(--brand-deep); }
.foot .sep { color: var(--line); }
.foot .police { display: inline-flex; align-items: center; gap: 5px; }

@media (max-width: 720px) {
  .hero h1 { font-size: 33px; }
  .section { padding: 52px 0; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.active):nth-child(n+4) { display: none; }
  .info th { width: 130px; }
}