/* 候鸟灵工 - 企业官网样式 */
:root {
  --primary: #0a2540;
  --primary-soft: #10365e;
  --accent: #2f7bff;
  --accent-2: #14b8a6;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #1c2b3a;
  --muted: #5d6b7c;
  --border: #e3e9f1;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 37, 64, .08);
  --maxw: 1120px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-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-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--primary); }
.brand .logo {
  width: 38px; height: 38px; border-radius: 10px; display: block;
  box-shadow: 0 4px 12px rgba(10, 37, 64, .22);
}
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  padding: 8px 14px; border-radius: 8px; font-size: 15px; color: var(--muted);
  transition: all .2s;
}
.nav-links a:hover { color: var(--primary); background: #eef4ff; }
.nav-links a.active { color: var(--accent); font-weight: 600; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 10px; font-size: 15px; font-weight: 600;
  border: none; cursor: pointer; transition: all .2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #1f66e0; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: #eef4ff; color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--primary); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1000px 400px at 85% -10%, rgba(47, 123, 255, .18), transparent),
    radial-gradient(800px 400px at 10% 110%, rgba(20, 184, 166, .15), transparent),
    linear-gradient(180deg, #ffffff 0%, #f2f7ff 100%);
  padding: 96px 0 90px;
  text-align: center;
}
.hero .eyebrow {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  background: #e6efff; color: var(--accent); font-size: 14px; font-weight: 600;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: 46px; line-height: 1.25; color: var(--primary);
  letter-spacing: 1px; margin-bottom: 18px;
}
.hero h1 span { color: var(--accent); }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0 auto 34px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  margin-top: 60px;
}
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 36px; box-shadow: var(--shadow); min-width: 160px;
}
.stat b { display: block; font-size: 30px; color: var(--primary); }
.stat span { font-size: 14px; color: var(--muted); }

/* ---------- 通用 Section ---------- */
section.block { padding: 76px 0; }
section.block.alt { background: var(--surface); }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head h2 { font-size: 32px; color: var(--primary); margin-bottom: 10px; }
.section-head p { color: var(--muted); font-size: 16px; }
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px; transition: all .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe0ff; }
.card .icon {
  width: 52px; height: 52px; border-radius: 12px; font-size: 26px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: #eaf1ff; color: var(--accent);
}
.card h3 { font-size: 19px; color: var(--primary); margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--muted); }
.card ul { list-style: none; margin-top: 14px; }
.card ul li { font-size: 14px; color: var(--muted); padding: 5px 0 5px 24px; position: relative; }
.card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-2); font-weight: 700; }

/* 步骤 */
.steps { counter-reset: step; }
.step {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 26px 24px;
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 15px; font-weight: 700; color: var(--accent);
  display: inline-block; margin-bottom: 10px; letter-spacing: 2px;
}
.step h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }

/* CTA 横幅 */
.cta-band {
  background: linear-gradient(120deg, var(--primary), var(--primary-soft));
  border-radius: 20px; color: #fff; padding: 56px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 28px; margin-bottom: 8px; }
.cta-band p { color: #c9d8ee; }
.cta-band .btn-primary { background: #fff; color: var(--primary); }

/* ---------- 表单 ---------- */
.form-panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); max-width: 640px; margin: 0 auto;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: inherit; color: var(--text); background: #fbfcfe;
  transition: border-color .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent); background: #fff;
}
.field textarea { min-height: 120px; resize: vertical; }
.form-tip { font-size: 13px; color: var(--muted); margin-top: 10px; }
.msg-ok {
  display: none; background: #e8faf3; color: #0d8a5f; border: 1px solid #b9ecd7;
  padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 16px;
}
.msg-err {
  display: none; background: #fdeeee; color: #c0392b; border: 1px solid #f5c6c6;
  padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 16px;
}

/* ---------- 联系页 ---------- */
.contact-card { display: flex; gap: 18px; align-items: flex-start; }
.contact-card .icon { margin-bottom: 0; flex-shrink: 0; }
.contact-card h3 { margin-bottom: 4px; }
.contact-card a.val { color: var(--accent); font-weight: 600; }

/* ---------- 全站一键呼叫组件 ---------- */
.call-widget {
  position: fixed; right: 24px; bottom: 28px; z-index: 200;
  display: inline-flex; align-items: center; gap: 11px;
  padding: 11px 20px 11px 12px; border-radius: 999px;
  background: linear-gradient(135deg, #2f7bff, #14b8a6); color: #fff;
  text-decoration: none; box-shadow: 0 12px 30px rgba(47, 123, 255, .38);
  transition: transform .18s ease, box-shadow .18s ease;
}
.call-widget:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(47, 123, 255, .46); color: #fff; }
.call-widget:active { transform: translateY(0) scale(.98); }
.call-widget::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  animation: cw-ring 2.6s infinite; pointer-events: none;
}
@keyframes cw-ring {
  0% { box-shadow: 0 0 0 0 rgba(47, 123, 255, .4); }
  70% { box-shadow: 0 0 0 16px rgba(47, 123, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 123, 255, 0); }
}
.cw-icon {
  width: 36px; height: 36px; border-radius: 50%; flex: 0 0 auto;
  background: rgba(255, 255, 255, .18); display: grid; place-items: center; font-size: 17px;
}
.cw-body { display: flex; flex-direction: column; line-height: 1.25; }
.cw-body b { font-size: 14.5px; font-weight: 700; letter-spacing: .2px; }
.cw-num { font-size: 12.5px; letter-spacing: .6px; opacity: .88; }

/* ---------- 登录 ---------- */
.auth-wrap { min-height: calc(100vh - 68px); display: grid; place-items: center; padding: 50px 20px; }
.auth-card { width: 100%; max-width: 440px; }
.auth-tabs { display: flex; background: #eef2f8; border-radius: 12px; padding: 5px; margin-bottom: 26px; }
.auth-tabs button {
  flex: 1; padding: 10px; border: none; background: transparent; border-radius: 9px;
  font-size: 15px; font-weight: 600; color: var(--muted); cursor: pointer; transition: all .2s;
}
.auth-tabs button.on { background: #fff; color: var(--primary); box-shadow: 0 2px 8px rgba(0, 0, 0, .06); }
.user-badge { display: none; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--primary); color: #b9cbe4; padding: 56px 0 30px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-brand p { font-size: 14px; margin-top: 12px; max-width: 300px; }
.copyright { border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 22px; font-size: 13px; text-align: center; color: #7d97b8; }

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
  .hero { padding: 64px 0 60px; }
}
@media (max-width: 600px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 12px 20px 18px; border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 30px rgba(10, 37, 64, .1);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 10px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section.block { padding: 54px 0; }
  .cta-band { padding: 38px 26px; }

  /* 手机端：呼叫组件改为底部通栏，正文留出空间 */
  body { padding-bottom: 80px; }
  .call-widget {
    left: 14px; right: 14px; bottom: calc(14px + env(safe-area-inset-bottom));
    justify-content: center; gap: 10px; padding: 12px 16px; border-radius: 14px;
  }
  .cw-icon { width: 32px; height: 32px; font-size: 15px; }
  .cw-body { flex-direction: row; align-items: baseline; gap: 8px; }
  .cw-body b { font-size: 15px; }
  .cw-num { font-size: 13px; }
}

/* ---------- 服务案例 ---------- */
.metric-card { text-align: center; padding: 26px 18px; }
.metric-card b { display: block; font-size: 28px; color: var(--primary); letter-spacing: -.5px; }
.metric-card span { display: block; margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.case-tag {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .5px;
  padding: 4px 11px; border-radius: 999px; background: #eef4ff; color: var(--accent);
  margin-bottom: 14px;
}
.case-card h3 { font-size: 19px; margin-bottom: 10px; }
.case-card .case-meta { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.case-card .case-row { font-size: 14.5px; color: var(--text); margin-bottom: 8px; }
.case-card .case-row b { color: var(--primary); }
.case-metrics {
  display: flex; gap: 20px; margin-top: 16px; padding-top: 14px;
  border-top: 1px dashed var(--border);
}
.case-metrics div b { display: block; font-size: 20px; color: var(--accent); line-height: 1.2; }
.case-metrics div span { font-size: 12.5px; color: var(--muted); }
.quote-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 26px; position: relative;
}
.quote-card:before {
  content: "“"; position: absolute; top: 8px; left: 18px;
  font-size: 52px; line-height: 1; color: #d8e6ff; font-family: Georgia, serif;
}
.quote-card p { position: relative; font-size: 15.5px; line-height: 1.8; color: var(--text); margin-bottom: 16px; }
.quote-card cite { font-style: normal; font-size: 13.5px; color: var(--muted); }
.disclaimer { font-size: 12.5px; color: var(--muted); text-align: center; margin-top: 26px; }

/* ---------- 常见问题 ---------- */
.faq-nav {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px;
}
.faq-nav a {
  padding: 9px 18px; border-radius: 999px; font-size: 14.5px; font-weight: 500;
  background: var(--surface); border: 1px solid var(--border); color: var(--muted);
  transition: all .2s;
}
.faq-nav a:hover { color: var(--accent); border-color: #cfe0ff; background: #eef4ff; }
.faq-group { max-width: 880px; margin: 0 auto 34px; }
.faq-group > h3 {
  font-size: 19px; color: var(--primary); margin-bottom: 16px;
  padding-left: 12px; border-left: 4px solid var(--accent); line-height: 1.2;
}
.faq details {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 10px; overflow: hidden; transition: border-color .2s, box-shadow .2s;
}
.faq details[open] { border-color: #cfe0ff; box-shadow: 0 6px 20px rgba(10, 37, 64, .06); }
.faq summary {
  cursor: pointer; padding: 16px 20px; font-size: 15.5px; font-weight: 600; color: var(--primary);
  list-style: none; display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; font-size: 18px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details[open] summary { border-bottom: 1px solid var(--border); }
.faq .answer { padding: 16px 20px 18px; font-size: 14.8px; line-height: 1.85; color: var(--muted); }
.faq .answer b { color: var(--primary); }

/* ---------- 中等屏导航压缩（新增两个栏目后防挤压） ---------- */
@media (max-width: 1100px) and (min-width: 861px) {
  .nav-links a { padding: 8px 9px; font-size: 14px; }
  .brand { font-size: 18px; }
}