/* 寻车集官网 · 配色沿用小程序：深海军蓝 + 金 */
:root {
  --navy: #18364a;
  --navy-2: #0f2533;
  --gold: #c6a15b;
  --gold-2: #a8823c;
  --ink: #16181d;
  --ink-2: #4a4e57;
  --mute: #9096a0;
  --line: #e6eaee;
  --bg: #f6f7f8;
  --card: #ffffff;
  --r: 18px;
  --shadow: 0 10px 40px rgba(24, 54, 74, 0.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.wrap.narrow { width: min(780px, calc(100% - 40px)); }
.center { text-align: center; margin-top: 36px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 52px; padding: 0 28px; border-radius: 999px;
  font-weight: 700; font-size: 16px; white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  cursor: pointer; border: 0;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-gold { background: var(--gold); color: var(--navy-2); box-shadow: 0 8px 24px rgba(198, 161, 91, .35); }
.btn-gold:hover { background: #d3b06d; }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-line { background: #fff; color: var(--navy); border: 1.5px solid #cfdadd; }
.btn-line:hover { border-color: var(--navy); }

/* 导航 */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--navy); letter-spacing: 1px; }
.logo-img { height: 34px; width: auto; }
.logo.small { font-size: 18px; color: #fff; }
.logo.small .logo-img { height: 30px; background: #fff; border-radius: 8px; padding: 3px 5px; }
.menu-hot { color: var(--gold-2); font-weight: 700; }

/* 活动胶囊 + 活动版块 */
.promo-pill {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px;
  background: rgba(198,161,91,.14); border: 1px solid rgba(198,161,91,.5); color: #f3e3bf;
  border-radius: 999px; padding: 7px 14px 7px 7px; font-size: 14px; transition: .15s;
}
.promo-pill:hover { background: rgba(198,161,91,.24); }
.promo-pill b { background: var(--gold); color: var(--navy-2); border-radius: 999px; padding: 2px 10px; font-size: 12px; letter-spacing: 1px; }
.promo-pill span { opacity: .7; }
.promo { background: linear-gradient(180deg, #fbf6ea 0%, #fff 100%); border-bottom: 1px solid #f0e6d0; }
.promo-kicker { text-align: center; color: var(--gold-2); font-weight: 800; letter-spacing: 3px; font-size: 14px; margin-bottom: 10px; }
.promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.promo-card { background: #fff; border: 1.5px solid #ead9b3; border-radius: var(--r); padding: 30px 26px 26px; position: relative; display: flex; flex-direction: column; }
.promo-card:hover { box-shadow: 0 14px 40px rgba(198,161,91,.22); }
.promo-num { font-size: 13px; font-weight: 900; color: var(--gold-2); letter-spacing: 2px; margin-bottom: 12px; }
.promo-card h3 { font-size: 21px; color: var(--navy); margin-bottom: 12px; line-height: 1.3; }
.promo-card p { color: var(--ink-2); font-size: 15px; flex: 1; }
.promo-card p b { color: var(--ink); }
.promo-val { display: inline-block; margin-top: 18px; align-self: flex-start; background: var(--navy); color: var(--gold); font-weight: 700; font-size: 13px; padding: 5px 12px; border-radius: 999px; }
.promo-note { margin-top: 22px; text-align: center; color: var(--mute); font-size: 13px; }
.modal-logo { height: 44px; width: auto; margin: 0 auto 8px; }
.modal-promo { color: var(--gold-2); font-weight: 700; font-size: 14px; margin: -10px 0 16px; }
.menu { display: flex; gap: 28px; font-size: 15px; color: var(--ink-2); }
.menu a:hover { color: var(--navy); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.burger { display: none; width: 40px; height: 40px; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.burger span { display: block; height: 2px; background: var(--navy); margin: 6px 0; border-radius: 2px; transition: .2s; }

/* Hero */
.hero {
  background: radial-gradient(1200px 600px at 80% -10%, #244b63 0%, var(--navy) 45%, var(--navy-2) 100%);
  color: #fff; overflow: hidden; position: relative;
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 80px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.15));
}
.hero-in { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 40px; padding: 72px 0 96px; }
.eyebrow { color: var(--gold); font-weight: 700; letter-spacing: 2px; font-size: 14px; margin-bottom: 18px; }
h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.15; font-weight: 900; letter-spacing: 1px; }
h1 em { font-style: normal; color: var(--gold); }
.lead { margin-top: 22px; font-size: 18px; color: rgba(255,255,255,.82); max-width: 560px; }
.hero-btns { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-facts { display: flex; gap: 36px; margin-top: 44px; flex-wrap: wrap; }
.hero-facts li { display: flex; flex-direction: column; }
.hero-facts b { font-size: 28px; color: var(--gold); font-weight: 900; line-height: 1.1; font-variant-numeric: tabular-nums; }
.hero-facts span { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 6px; }

.hero-shot { position: relative; height: 560px; }
.phone {
  width: 270px; border-radius: 34px; padding: 10px; background: #0b1218;
  box-shadow: 0 30px 80px rgba(0,0,0,.45), inset 0 0 0 2px #2a3640;
  overflow: hidden;
}
.phone img { border-radius: 26px; width: 100%; height: auto; }
.hero-shot .phone { position: absolute; right: 60px; top: 0; }
.hero-shot .phone-back { right: 0; top: 90px; transform: rotate(6deg) scale(.86); opacity: .95; z-index: -1; }
.hero-shot .phone img { height: 540px; object-fit: cover; object-position: top; }
.phone.sm { width: 250px; }

/* 通用 section */
.sec { padding: 88px 0; }
.sec-alt { background: var(--bg); }
.h2 { text-align: center; font-size: clamp(26px, 3.2vw, 38px); font-weight: 900; color: var(--navy); letter-spacing: 1px; }
.sub { text-align: center; color: var(--ink-2); margin: 14px auto 0; max-width: 640px; font-size: 16px; }

/* 四大优势 */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 48px; }
.adv { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 28px 24px; transition: .2s; }
.adv:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.adv-ico { width: 52px; height: 52px; border-radius: 14px; background: #eef3f6; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.adv-ico svg { width: 26px; height: 26px; fill: none; stroke: var(--navy); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.adv h3 { font-size: 19px; color: var(--navy); margin-bottom: 10px; }
.adv p { color: var(--ink-2); font-size: 15px; }

/* 功能展示 */
.feat { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: center; margin-top: 64px; }
.feat.rev .feat-shot { order: 2; }
.feat-shot { display: flex; justify-content: center; }
.feat-shot .phone img { height: 520px; object-fit: cover; object-position: top; }
/* 双机并排（同行调剂：车源池 + 求购） */
.feat-shot.dual { gap: 18px; align-items: flex-start; }
.feat-shot.dual .phone { width: 210px; border-radius: 28px; padding: 8px; }
.feat-shot.dual .phone img { height: 430px; border-radius: 22px; }
.feat-shot.dual .phone:last-child { margin-top: 44px; }
.tag { display: inline-block; background: #eaf1f5; color: var(--navy); font-weight: 700; font-size: 13px; padding: 5px 12px; border-radius: 999px; letter-spacing: 1px; }
.feat-txt h3 { font-size: clamp(22px, 2.4vw, 28px); color: var(--ink); margin: 16px 0 14px; line-height: 1.3; }
.feat-txt p { color: var(--ink-2); font-size: 16px; }
.ticks { margin-top: 18px; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 26px; color: var(--ink-2); font-size: 15px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--gold-2); font-weight: 900; }

/* 三步 */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 30px 26px; position: relative; }
.step i {
  display: inline-flex; width: 40px; height: 40px; border-radius: 12px; background: var(--navy); color: var(--gold);
  align-items: center; justify-content: center; font-style: normal; font-weight: 900; font-size: 18px; margin-bottom: 16px;
}
.step h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: 15px; }

/* 价格 */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; align-items: stretch; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 28px 24px; display: flex; flex-direction: column; position: relative; }
.plan h3 { font-size: 20px; color: var(--navy); }
.price { display: flex; align-items: baseline; gap: 6px; margin-top: 10px; }
.price b { font-size: 40px; font-weight: 900; color: var(--ink); letter-spacing: -1px; }
.price span { color: var(--mute); font-size: 14px; }
.plan-for { color: var(--gold-2); font-size: 13px; font-weight: 700; margin-top: 8px; }
.plan li b { color: var(--ink); }
.plan ul { margin: 20px 0 24px; display: grid; gap: 9px; flex: 1; }
.plan li { position: relative; padding-left: 22px; font-size: 15px; color: var(--ink-2); }
.plan li::before { content: "•"; position: absolute; left: 4px; color: var(--gold); font-weight: 900; }
.plan.hot { border: 2px solid var(--gold); box-shadow: var(--shadow); transform: translateY(-6px); }
.ribbon {
  position: absolute; top: -14px; left: 24px; background: var(--gold); color: var(--navy-2);
  font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 999px; letter-spacing: 1px;
}
.addons { margin-top: 28px; text-align: center; color: var(--mute); font-size: 14px; max-width: 820px; margin-left: auto; margin-right: auto; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 4px 0; }
details:first-of-type { margin-top: 36px; border-top: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-weight: 700; font-size: 17px; color: var(--ink);
  position: relative;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 24px; color: var(--gold-2); font-weight: 400; transition: .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--ink-2); padding: 0 0 20px; font-size: 15.5px; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 72px 0; }
.cta-in { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.cta h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 900; }
.cta p { color: rgba(255,255,255,.75); margin-top: 12px; }
.qr-card { background: #fff; border-radius: 20px; padding: 18px; text-align: center; color: var(--ink-2); font-size: 13px; }
.qr-card img { width: 180px; height: 180px; border-radius: 12px; margin: 0 auto 8px; }

/* Footer */
.foot { background: #0b1a25; color: rgba(255,255,255,.72); padding: 44px 0 20px; font-size: 14px; }
.foot-in { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot-in p { margin-top: 8px; }
.foot a:hover { color: var(--gold); }
.foot-links { display: flex; gap: 22px; align-items: flex-start; }
.copy { border-top: 1px solid rgba(255,255,255,.1); margin-top: 32px; padding-top: 18px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: rgba(255,255,255,.45); font-size: 13px; }

/* 弹层 */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-bg { position: absolute; inset: 0; background: rgba(6, 16, 24, .72); }
.modal-box { position: relative; background: #fff; border-radius: 22px; padding: 36px 32px 28px; width: min(400px, calc(100% - 40px)); text-align: center; box-shadow: var(--shadow); }
.modal-box h3 { color: var(--navy); font-size: 20px; margin-bottom: 18px; }
.modal-box img { width: 240px; height: 240px; margin: 0 auto; border-radius: 14px; }
.modal-hint { margin-top: 16px; color: var(--ink-2); font-size: 14px; }
.modal-sub { margin-top: 8px; color: var(--mute); font-size: 13px; }
.modal-x { position: absolute; right: 12px; top: 8px; border: 0; background: transparent; font-size: 30px; color: var(--mute); cursor: pointer; line-height: 1; }


/* ====== 数据带 ====== */
.stats { background: #fff; border-bottom: 1px solid var(--line); }
.stats-in { display: grid; grid-template-columns: repeat(5, 1fr); padding: 28px 0; }
.stat { text-align: center; padding: 8px 0; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-size: clamp(24px, 2.6vw, 34px); font-weight: 900; color: var(--navy); letter-spacing: -.5px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat span { display: block; margin-top: 6px; font-size: 13px; color: var(--mute); letter-spacing: 1px; }

/* ====== 用户 / 车商 双栏 ====== */
.kicker { text-align: center; color: var(--navy); font-weight: 800; letter-spacing: 3px; font-size: 14px; margin-bottom: 10px; }
.kicker.gold { color: var(--gold); }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.duo-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 34px 30px 30px; display: flex; flex-direction: column; }
.duo-card h3 { font-size: clamp(21px, 2.2vw, 26px); color: var(--ink); margin: 16px 0 18px; line-height: 1.3; }
.duo-card .btn { align-self: flex-start; margin-top: 26px; }
.duo-card .tag { align-self: flex-start; }
.duo-card.sell { border: 2px solid var(--gold); box-shadow: var(--shadow); }
.tag-gold { background: var(--gold); color: var(--navy-2); }
.flow { margin: 0; padding: 0; list-style: none; display: grid; gap: 18px; flex: 1; }
.flow li { display: flex; gap: 14px; align-items: flex-start; }
.flow i {
  flex: 0 0 34px; height: 34px; border-radius: 10px; background: var(--navy); color: var(--gold);
  display: inline-flex; align-items: center; justify-content: center; font-style: normal; font-weight: 900; font-size: 16px;
}
.flow b { display: block; font-size: 17px; color: var(--navy); margin-bottom: 4px; }
.flow p { color: var(--ink-2); font-size: 15px; }
.ticks.big li { font-size: 15.5px; line-height: 1.6; }
.ticks.big li b { color: var(--ink); }
.duo-p { color: var(--ink-2); font-size: 15.5px; margin-bottom: 4px; }

/* 深色车商版块 */
.sec-dark { background: radial-gradient(900px 500px at 20% 0%, #244b63 0%, var(--navy) 50%, var(--navy-2) 100%); color: #fff; }
.h2.light { color: #fff; }
.sub.light { color: rgba(255,255,255,.78); }
.sub.light b { color: var(--gold); font-size: 1.15em; }
.duo-card.dark { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); backdrop-filter: blur(6px); }
.duo-card.dark h3 { color: #fff; }
.duo-card.dark .duo-p { color: rgba(255,255,255,.78); }
.ticks.light li { color: rgba(255,255,255,.78); }
.ticks.light li b { color: #fff; }
.ticks.light li::before { color: var(--gold); }
.eff { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; }
.eff-i { text-align: center; padding: 22px 12px; border-radius: 14px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); }
.eff-i b { display: block; font-size: clamp(26px, 2.8vw, 36px); font-weight: 900; color: var(--gold); line-height: 1.1; }
.eff-i span { display: block; margin-top: 8px; font-size: 13px; color: rgba(255,255,255,.7); }

/* 权益对比表 */
.cmp-wrap { margin-top: 40px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cmp { width: 100%; min-width: 640px; border-collapse: collapse; background: var(--card); border-radius: var(--r); overflow: hidden; box-shadow: 0 1px 0 var(--line); }
.cmp th, .cmp td { padding: 14px 16px; text-align: center; font-size: 15px; border-bottom: 1px solid var(--line); }
.cmp th { background: var(--navy); color: #fff; font-weight: 700; }
.cmp th:first-child, .cmp td:first-child { text-align: left; font-weight: 700; color: var(--navy); }
.cmp td { color: var(--ink-2); }
.cmp td.ok { color: var(--gold-2); font-weight: 800; }
.cmp tr:last-child td { border-bottom: 0; }

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .stats-in { grid-template-columns: repeat(3, 1fr); row-gap: 14px; }
  .stat { border-left: 0; }
  .eff { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: repeat(2, 1fr); }
  .promo-grid { grid-template-columns: 1fr 1fr; }
  .plan.hot { transform: none; }
  .hero-in { grid-template-columns: 1fr; padding: 56px 0 40px; }
  .hero-shot { height: auto; display: flex; justify-content: center; margin-top: 24px; }
  .hero-shot .phone { position: static; }
  .hero-shot .phone-back { display: none; }
}
@media (max-width: 760px) {
  .menu { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .menu a { padding: 16px 20px; border-top: 1px solid var(--line); }
  .menu.open { display: flex; }
  .burger { display: block; }
  .nav-cta .btn-sm { height: 36px; padding: 0 14px; font-size: 13px; }
  .lead { font-size: 16px; }
  .hero-facts { gap: 22px; }
  .hero-facts b { font-size: 24px; }
  .hero-shot .phone img { height: 480px; }
  .sec { padding: 60px 0; }
  .grid4, .steps, .plans, .promo-grid, .duo { grid-template-columns: 1fr; }
  .stats-in { grid-template-columns: repeat(2, 1fr); padding: 20px 0; }
  .duo-card { padding: 26px 22px; }
  .hero-facts li { flex: 1 1 40%; }
  /* 对比表：5 列压进一屏，尊享 / 旗舰两列才是卖点，不能被滚到屏外 */
  .cmp { min-width: 0; }
  .cmp th, .cmp td { padding: 10px 4px; font-size: 12px; }
  .cmp th:first-child, .cmp td:first-child { padding-left: 10px; font-size: 12.5px; }
  .promo-pill { font-size: 13px; }
  .feat, .feat.rev { grid-template-columns: 1fr; gap: 26px; margin-top: 52px; }
  .feat.rev .feat-shot { order: 0; }
  .feat-shot .phone img { height: 440px; }
  .feat-shot.dual { gap: 12px; }
  .feat-shot.dual .phone { width: calc(50% - 6px); max-width: 190px; }
  .feat-shot.dual .phone img { height: 380px; }
  .feat-shot.dual .phone:last-child { margin-top: 32px; }
  .cta-in { grid-template-columns: 1fr; text-align: center; }
  .cta .hero-btns { justify-content: center; }
  .qr-card { width: max-content; margin: 0 auto; }
  .foot-links { flex-wrap: wrap; gap: 14px; }
  .copy { justify-content: center; text-align: center; }
}