/* 询盘云 LeadsCloud — 官网样式表
   品牌色：橙 #FF6A13 / 深墨 #141821 / 辅助 #F5F7FA
   设计基调：B2B 营销科技，轻量化、高对比、移动优先 */

:root {
  --brand: #ff6a13;
  --brand-dark: #e2550a;
  --brand-soft: #fff3ec;
  --brand-100: #ffe8dc;
  --ink: #141821;
  --ink-2: #3c4453;
  --ink-3: #6b7484;
  --line: #e6e9ef;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --bg-deep: #141821;
  --ok: #12805c;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20, 24, 33, .06), 0 2px 8px rgba(20, 24, 33, .04);
  --shadow-md: 0 4px 12px rgba(20, 24, 33, .08), 0 12px 32px rgba(20, 24, 33, .06);
  --shadow-lg: 0 18px 48px rgba(20, 24, 33, .12);
  --maxw: 1200px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.35em; }

h1, h2, h3, h4 { line-height: 1.3; margin: 0 0 .6em; font-weight: 800; letter-spacing: -.01em; }
h1 { font-size: clamp(30px, 4.4vw, 50px); }
h2 { font-size: clamp(24px, 3vw, 36px); }
h3 { font-size: clamp(19px, 2vw, 24px); }
h4 { font-size: 17px; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 860px; }

/* ---------- 顶部 ---------- */
.topbar {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
  padding: 7px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar a { color: rgba(255, 255, 255, .9); }
.topbar strong { color: #fff; }

.header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; flex: none; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), #ff9a4d);
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 17px;
  box-shadow: 0 4px 12px rgba(255, 106, 19, .35);
}
.logo-text { font-size: 19px; font-weight: 900; color: var(--ink); letter-spacing: -.02em; line-height: 1.1; }
.logo-text small { display: block; font-size: 11px; font-weight: 600; color: var(--ink-3); letter-spacing: .12em; }

.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav > a, .nav .navlink {
  padding: 9px 13px; border-radius: 9px; font-size: 15px; font-weight: 600;
  color: var(--ink-2); white-space: nowrap;
}
.nav > a:hover, .nav .navlink:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.nav > a[aria-current="page"] { color: var(--brand-dark); background: var(--brand-soft); }

.has-sub { position: relative; }
.submenu {
  position: absolute; top: 100%; left: 0; min-width: 268px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-md); padding: 8px; display: none;
}
.has-sub:hover .submenu, .has-sub:focus-within .submenu { display: block; }
.submenu a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 14px; color: var(--ink-2); font-weight: 500; }
.submenu a:hover { background: var(--brand-soft); color: var(--brand-dark); text-decoration: none; }
.submenu a span { display: block; font-size: 12px; color: var(--ink-3); font-weight: 400; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 11px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: .18s ease;
  white-space: nowrap; text-decoration: none !important;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(255, 106, 19, .3); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 10px 26px rgba(255, 106, 19, .36); color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-dark); }
.btn-light { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn-light:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-block { width: 100%; }

.burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 9px; padding: 8px 11px; cursor: pointer; }
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px 0; border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 460px at 88% -8%, rgba(255, 154, 77, .22), transparent 62%),
    radial-gradient(700px 400px at 4% 108%, rgba(255, 106, 19, .12), transparent 60%),
    linear-gradient(180deg, #fffaf7 0%, #ffffff 58%);
  padding: 72px 0 60px;
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: start; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-soft); color: var(--brand-dark);
  border: 1px solid var(--brand-100);
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; margin-bottom: 18px;
}
.hero h1 { letter-spacing: -.025em; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero .lead { font-size: 18px; color: var(--ink-2); margin-bottom: 26px; max-width: 36em; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-facts { display: flex; gap: 30px; flex-wrap: wrap; padding-top: 22px; border-top: 1px dashed var(--line); }
.hero-facts div b { display: block; font-size: 26px; font-weight: 900; color: var(--ink); letter-spacing: -.02em; }
.hero-facts div span { font-size: 13px; color: var(--ink-3); }

/* ---------- 答案卡（GEO 关键：独立可引用块） ---------- */
.answerbox {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--brand);
  border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-sm);
  margin: 0 0 32px;
}
.answerbox h2 { font-size: 17px; margin-bottom: 8px; color: var(--brand-dark); }
.answerbox p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

/* ---------- 询盘表单卡 ---------- */
.leadcard {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-lg);
}
.leadcard h3 { margin-bottom: 4px; }
.leadcard .sub { color: var(--ink-3); font-size: 14px; margin-bottom: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; color: var(--ink-2); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 15px; color: var(--ink); background: #fff; transition: .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(255, 106, 19, .14);
}
.field textarea { min-height: 84px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.consent { font-size: 12.5px; color: var(--ink-3); margin: 10px 0 0; }
.form-note { margin-top: 12px; font-size: 13px; padding: 10px 12px; border-radius: 9px; display: none; }
.form-note.ok { display: block; background: #e8f7f0; color: var(--ok); }
.form-note.err { display: block; background: #fdecea; color: #b3261e; }

/* ---------- 区块 ---------- */
section { padding: 68px 0; }
section.tight { padding: 44px 0; }
.sec-soft { background: var(--bg-soft); }
.sec-deep { background: var(--bg-deep); color: #fff; }
.sec-deep h2, .sec-deep h3 { color: #fff; }
.sec-deep p { color: rgba(255, 255, 255, .74); }
.sec-head { max-width: 780px; margin-bottom: 40px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head p { font-size: 17px; color: var(--ink-2); margin-bottom: 0; }
.sec-deep .sec-head p { color: rgba(255, 255, 255, .74); }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; transition: .2s ease; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #ffd9c4; }
.card .ico {
  width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft);
  display: grid; place-items: center; font-size: 21px; margin-bottom: 14px;
}
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 15px; margin-bottom: 14px; }
.card ul { margin: 0 0 14px; padding-left: 1.1em; font-size: 14.5px; color: var(--ink-2); }
.card ul li { margin-bottom: 5px; }
.card .more { margin-top: auto; font-weight: 700; font-size: 14.5px; }

.numlist { counter-reset: n; }
.numcard { position: relative; padding-left: 46px; }
.numcard::before {
  counter-increment: n; content: counter(n);
  position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 9px;
  background: var(--brand); color: #fff; display: grid; place-items: center;
  font-weight: 900; font-size: 15px;
}

/* ---------- 对比表 ---------- */
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
table { border-collapse: collapse; width: 100%; min-width: 620px; font-size: 15px; }
th, td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--bg-soft); font-weight: 800; font-size: 14px; color: var(--ink); }
tbody th { font-weight: 700; width: 22%; color: var(--ink); }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: none; }
td.us { background: var(--brand-soft); color: var(--brand-dark); font-weight: 600; }
caption { caption-side: bottom; padding: 12px 18px; font-size: 12.5px; color: var(--ink-3); text-align: left; }

/* ---------- FAQ ---------- */
.faq { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: none; }
.faq summary {
  cursor: pointer; padding: 17px 22px; font-weight: 700; font-size: 16px; list-style: none;
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; font-weight: 400; flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details[open] summary { background: var(--brand-soft); }
.faq .body { padding: 0 22px 18px; color: var(--ink-2); font-size: 15px; }
.faq .body p:last-child { margin-bottom: 0; }

/* ---------- 引述 ---------- */
blockquote {
  margin: 0; padding: 18px 22px; background: var(--brand-soft);
  border-radius: var(--radius); font-size: 15.5px; color: var(--ink-2);
}
blockquote cite { display: block; margin-top: 8px; font-size: 13px; color: var(--ink-3); font-style: normal; }

/* ---------- 数据条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius); padding: 22px; }
.stat b { display: block; font-size: 34px; font-weight: 900; color: #ffb27a; letter-spacing: -.02em; line-height: 1.1; }
.stat span { font-size: 14px; color: rgba(255, 255, 255, .8); }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, #141821 0%, #2a1a10 55%, #3d2312 100%);
  color: #fff; border-radius: var(--radius-lg); padding: 46px; text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, .78); max-width: 640px; margin: 0 auto 26px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 面包屑 ---------- */
.crumbs { font-size: 13px; color: var(--ink-3); padding: 20px 0 0; }
.crumbs a { color: var(--ink-3); }
.crumbs span { margin: 0 7px; opacity: .5; }

/* ---------- 页脚 ---------- */
.footer { background: var(--bg-deep); color: rgba(255, 255, 255, .66); padding: 56px 0 26px; font-size: 14px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer a { color: rgba(255, 255, 255, .68); }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer .logo-text { color: #fff; }
.footer .logo-text small { color: rgba(255, 255, 255, .5); }
.footer-bottom { padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .5); }

/* ---------- 悬浮询盘条（移动） ---------- */
.mobilebar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; display: none;
  background: #fff; border-top: 1px solid var(--line); padding: 10px 14px;
  box-shadow: 0 -6px 20px rgba(20, 24, 33, .1);
}
.mobilebar .row { display: flex; gap: 10px; max-width: 560px; margin: 0 auto; }
.mobilebar .btn { flex: 1; }

/* ---------- 徽标行 ---------- */
.logos { display: flex; flex-wrap: wrap; gap: 10px 12px; }
.logos span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 15px; font-size: 13.5px; color: var(--ink-2); font-weight: 500;
}

.pill { display: inline-block; background: var(--brand-soft); color: var(--brand-dark); border-radius: 999px; padding: 4px 12px; font-size: 13px; font-weight: 700; }
.metaupd { font-size: 13px; color: var(--ink-3); margin-top: 6px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; padding: 10px 14px; z-index: 999; border-radius: 8px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1040px) {
  .nav { display: none; }
  .nav.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 68px; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); padding: 14px 20px 20px; gap: 2px;
    box-shadow: var(--shadow-md); max-height: 76vh; overflow-y: auto;
  }
  .nav.open > a, .nav.open .navlink { padding: 12px 8px; font-size: 16px; }
  .nav.open .btn { margin-top: 12px; }
  .burger { display: block; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .mobilebar { display: block; }
  body { padding-bottom: 66px; }
}
@media (max-width: 640px) {
  section { padding: 46px 0; }
  .hero { padding: 46px 0 40px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .cta-band { padding: 30px 20px; }
  .leadcard { padding: 22px 18px; }
  .hero-facts { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}