:root{
  --bg:#FFFFFF;
  --ink:#111111;
  --ink-2:#1F1F1F;
  --text:#333333;
  --text-mute:#6B6B6B;
  --text-light:#9A9A9A;
  --line:#EAEAEA;
  --line-2:#F5F5F5;
  --brand:#FF6B1A;
  --brand-soft:#FFF3EA;
  --success:#0A7C4D;
  --radius:8px;
  --radius-lg:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{scroll-behavior:smooth}
body{
  font-family:"Inter","PingFang SC","SF Pro Text","Helvetica Neue","Microsoft YaHei",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
::selection{background:var(--brand);color:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ NAV ============ */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--ink)}
.logo-mark{
  width:28px;height:28px;border-radius:6px;
  background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:800;
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;bottom:-3px;right:-3px;
  width:8px;height:8px;background:var(--brand);border-radius:50%;
  border:2px solid #fff;
}
nav.menu ul{display:flex;gap:32px;list-style:none}
nav.menu a{
  font-size:14px;color:var(--text-mute);font-weight:500;transition:.2s;
}
nav.menu a:hover{color:var(--ink)}
nav.menu a.active{color:var(--ink);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:6px;font-size:14px;font-weight:600;
  border:none;cursor:pointer;transition:.2s;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--brand)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:#e85a08;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.menu-toggle{display:none;background:none;border:none;font-size:20px;cursor:pointer}

/* ============ HERO ============ */
.hero{padding:88px 0 72px;border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;background:var(--brand-soft);color:var(--brand);
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.3px;
  margin-bottom:24px;
}
.hero-badge .pulse{
  width:6px;height:6px;background:var(--brand);border-radius:50%;
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(1.3)}
}
h1{
  font-size:60px;line-height:1.08;font-weight:800;letter-spacing:-2px;
  color:var(--ink);margin-bottom:20px;
}
h1 .brand-text{color:var(--brand)}
.hero-lead{
  font-size:18px;color:var(--text-mute);max-width:540px;margin-bottom:32px;
  line-height:1.65;
}
.hero-lead b{color:var(--ink);font-weight:600}
.hero-cta{display:flex;gap:12px;margin-bottom:32px;flex-wrap:wrap}
.hero-cta .btn{padding:12px 22px;font-size:14px}
.hero-mini{
  display:flex;gap:24px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-mute);
}
.hero-mini div strong{color:var(--ink);display:block;font-size:15px;margin-bottom:2px}

/* 数据面板 */
.stats-card{
  background:var(--ink);color:#fff;
  border-radius:var(--radius-lg);padding:32px;
  position:relative;overflow:hidden;
}
.stats-card::before{
  content:"";position:absolute;top:-40px;right:-40px;
  width:180px;height:180px;background:var(--brand);border-radius:50%;
  opacity:.18;filter:blur(20px);
}
.stats-card .label{
  font-size:12px;color:var(--text-light);letter-spacing:1.5px;
  text-transform:uppercase;margin-bottom:20px;font-weight:600;
}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;position:relative}
.stat-item{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.stat-item:nth-last-child(-n+2){border-bottom:none}
.stat-value{
  font-size:36px;font-weight:800;letter-spacing:-1px;color:#fff;
  display:flex;align-items:baseline;gap:4px;
}
.stat-value .unit{font-size:14px;font-weight:500;color:var(--brand);letter-spacing:0}
.stat-key{font-size:12px;color:var(--text-light);margin-top:4px}

/* ============ SECTION 通用 ============ */
section{padding:88px 0;border-bottom:1px solid var(--line)}
section.no-border{border-bottom:none}
.section-head{margin-bottom:56px;max-width:720px}
.section-head .eyebrow{
  font-size:12px;color:var(--brand);font-weight:700;letter-spacing:2px;
  text-transform:uppercase;margin-bottom:12px;
}
h2{
  font-size:40px;font-weight:800;letter-spacing:-1px;color:var(--ink);
  margin-bottom:16px;line-height:1.15;
}
.section-head p{font-size:17px;color:var(--text-mute);line-height:1.6}
h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
h4{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:6px}

/* ============ 服务矩阵 ============ */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.service-cell{
  padding:32px;background:#fff;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:.2s;position:relative;
}
.service-cell:nth-child(3n){border-right:none}
.service-cell:nth-last-child(-n+3){border-bottom:none}
.service-cell:hover{background:var(--line-2)}
.service-cell .num{
  font-size:11px;color:var(--text-light);font-weight:600;
  letter-spacing:1px;margin-bottom:12px;
}
.service-cell h3{margin-bottom:10px;font-size:17px}
.service-cell p{font-size:14px;color:var(--text-mute);line-height:1.65}
.service-cell .tag{
  display:inline-block;margin-top:14px;
  padding:2px 8px;background:var(--brand-soft);color:var(--brand);
  font-size:11px;font-weight:600;border-radius:4px;
}
.service-cell a{color:inherit}
.service-cell:hover a{color:var(--brand)}

/* ============ 车型规格表 ============ */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg)}
table.spec{
  width:100%;border-collapse:collapse;font-size:14px;
}
table.spec thead{background:var(--line-2)}
table.spec th{
  padding:16px 20px;text-align:left;
  font-weight:700;color:var(--ink);font-size:13px;
  letter-spacing:.3px;
}
table.spec td{
  padding:20px;border-top:1px solid var(--line);
  color:var(--text);vertical-align:top;
}
table.spec td.name{font-weight:700;color:var(--ink);font-size:15px}
table.spec td.name .sub{font-size:12px;color:var(--text-mute);font-weight:400;margin-top:3px}
table.spec td.price{color:var(--brand);font-weight:700;font-size:15px;white-space:nowrap}
table.spec tbody tr:hover{background:var(--line-2)}
table.spec .badge{
  display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;margin-right:4px;
}

/* ============ 线路 ============ */
.routes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.route-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;transition:.2s;background:#fff;
  display:flex;flex-direction:column;gap:16px;
}
.route-card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.route-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.route-head h3{margin-bottom:0;font-size:19px}
.route-price{
  background:var(--ink);color:#fff;font-weight:700;font-size:13px;
  padding:6px 12px;border-radius:6px;white-space:nowrap;
}
.route-price .u{color:var(--text-light);font-weight:400;font-size:11px;margin-left:2px}
.route-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-mute)}
.route-meta span{display:inline-flex;align-items:center;gap:4px}
.route-desc{font-size:14px;color:var(--text-mute);line-height:1.7}
.route-tags{display:flex;gap:6px;flex-wrap:wrap}
.route-tags span{
  font-size:11px;padding:3px 8px;
  background:var(--line-2);color:var(--text);border-radius:4px;font-weight:500;
}

/* ============ 关于 ============ */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.about-panel{
  background:var(--line-2);border-radius:var(--radius-lg);padding:32px;
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;
  margin-bottom:16px;
}
.about-panel .avatar{
  width:80px;height:80px;border-radius:50%;
  background:linear-gradient(135deg,var(--ink),#333);
  color:#fff;display:grid;place-items:center;
  font-size:32px;font-weight:800;
  position:relative;
}
.about-panel .avatar::after{
  content:"";position:absolute;bottom:2px;right:2px;
  width:16px;height:16px;background:var(--brand);border-radius:50%;
  border:3px solid var(--line-2);
}
.about-panel h3{margin-bottom:4px;font-size:20px}
.about-panel .role{font-size:13px;color:var(--text-mute);margin-bottom:10px}
.about-panel .status{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;color:var(--success);font-weight:600;
}
.about-panel .status::before{
  content:"";width:6px;height:6px;background:var(--success);border-radius:50%;
}
.cred-table{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.cred-row{
  display:grid;grid-template-columns:120px 1fr;
  padding:14px 20px;border-bottom:1px solid var(--line);
  font-size:14px;
}
.cred-row:last-child{border-bottom:none}
.cred-row .k{color:var(--text-mute)}
.cred-row .v{color:var(--ink);font-weight:600}
.about-text .lead{font-size:16px;color:var(--text);line-height:1.75;margin-bottom:16px}
.about-text ul{margin-top:16px;list-style:none}
.about-text li{
  padding:8px 0;padding-left:24px;position:relative;
  font-size:14.5px;color:var(--text);
}
.about-text li::before{
  content:"";position:absolute;left:0;top:16px;
  width:12px;height:2px;background:var(--brand);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px}
.faq-category{
  font-size:12px;color:var(--brand);font-weight:700;letter-spacing:2px;
  text-transform:uppercase;margin-bottom:8px;margin-top:40px;
}
.faq-category:first-child{margin-top:0}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:first-child{border-top:1px solid var(--line)}
details summary{
  list-style:none;cursor:pointer;
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  font-weight:700;font-size:16px;color:var(--ink);
}
details summary::-webkit-details-marker{display:none}
details summary::after{
  content:"+";width:24px;height:24px;flex-shrink:0;
  display:grid;place-items:center;font-size:20px;
  color:var(--text-mute);font-weight:400;transition:.2s;
}
details[open] summary::after{transform:rotate(45deg);color:var(--brand)}
details p{
  font-size:14.5px;color:var(--text-mute);
  margin-top:14px;line-height:1.75;max-width:720px;
}

/* ============ CONTACT / CTA ============ */
.cta-section{background:var(--line-2);border-bottom:none}
.contact-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.contact-info h2{margin-bottom:16px}
.contact-info p{font-size:16px;color:var(--text-mute);margin-bottom:28px}
.contact-list{list-style:none}
.contact-list li{
  display:flex;align-items:center;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;
}
.contact-list li:last-child{border-bottom:none}
.contact-list .k{
  width:36px;height:36px;background:var(--ink);color:#fff;
  border-radius:8px;display:grid;place-items:center;font-size:16px;flex-shrink:0;
}
.contact-list .v strong{color:var(--ink);font-weight:700;font-size:16px;display:block;margin-bottom:2px}
.contact-list .v small{color:var(--text-mute);font-size:12.5px}
.contact-list a{color:var(--ink)}
.contact-list a:hover{color:var(--brand)}
.contact-cta{
  background:#fff;border-radius:var(--radius-lg);padding:36px;
  border:1px solid var(--line);
}
.contact-cta h3{font-size:22px;margin-bottom:8px}
.contact-cta p{font-size:14px;color:var(--text-mute);margin-bottom:24px}
.contact-cta .big-tel{
  display:block;font-size:36px;font-weight:800;color:var(--ink);
  letter-spacing:-1px;margin-bottom:6px;
}
.contact-cta .big-tel:hover{color:var(--brand)}
.contact-cta .tel-sub{font-size:13px;color:var(--text-mute);margin-bottom:24px}
.contact-cta .actions{display:flex;gap:10px;flex-wrap:wrap}
.contact-cta .actions .btn{flex:1;justify-content:center}

/* ============ FOOTER ============ */
footer{background:var(--ink);color:var(--text-light);padding:60px 0 24px;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-grid h5{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;letter-spacing:.3px}
.foot-grid p{line-height:1.75;color:var(--text-light)}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:10px}
.foot-grid a:hover{color:var(--brand)}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .lm{
  width:32px;height:32px;background:#fff;color:var(--ink);
  border-radius:6px;display:grid;place-items:center;font-weight:800;
}
.foot-brand span{color:#fff;font-weight:700;font-size:16px}
.foot-bot{
  border-top:1px solid #2A2A2A;padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:12.5px;color:#666;
}
.foot-bot a{color:#666}
.foot-bot a:hover{color:var(--brand)}

/* ============ PAGE BANNER (子页面通用) ============ */
.page-banner{
  padding:64px 0 48px;
  border-bottom:1px solid var(--line);
  background:var(--line-2);
}
.page-banner .eyebrow{
  font-size:12px;color:var(--brand);font-weight:700;letter-spacing:2px;
  text-transform:uppercase;margin-bottom:12px;
}
.page-banner h1{
  font-size:42px;line-height:1.15;font-weight:800;letter-spacing:-1.5px;
  color:var(--ink);margin-bottom:16px;
}
.page-banner .lead{
  font-size:17px;color:var(--text-mute);max-width:640px;line-height:1.65;
}

/* ============ 面包屑 ============ */
.breadcrumb{
  font-size:13px;color:var(--text-mute);
  padding:16px 0 0;
}
.breadcrumb a{color:var(--text-mute)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{margin:0 8px;color:var(--text-light)}

/* ============ 流程步骤 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;background:#fff;text-align:center;
}
.step-card .step-num{
  width:40px;height:40px;border-radius:50%;
  background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  margin:0 auto 16px;
}
.step-card h4{margin-bottom:8px}
.step-card p{font-size:13px;color:var(--text-mute);line-height:1.6}

/* ============ 注意事项 ============ */
.notice-box{
  background:var(--brand-soft);border-radius:var(--radius-lg);
  padding:28px 32px;border-left:4px solid var(--brand);
}
.notice-box h4{color:var(--brand);margin-bottom:12px;font-size:15px}
.notice-box ul{list-style:none}
.notice-box li{
  padding:6px 0;padding-left:20px;position:relative;
  font-size:14px;color:var(--text);line-height:1.7;
}
.notice-box li::before{
  content:"";position:absolute;left:0;top:14px;
  width:8px;height:2px;background:var(--brand);
}

/* ============ 响应式 ============ */
@media (max-width:768px){
  .container{padding:0 18px}
  nav.menu ul{display:none}
  .menu-toggle{display:block}
  .nav-actions .btn-ghost{display:none}
  .hero{padding:56px 0 48px}
  h1{font-size:38px;letter-spacing:-1px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .page-banner h1{font-size:30px;letter-spacing:-1px}
  section{padding:56px 0}
  h2{font-size:28px}
  .services-grid{grid-template-columns:1fr}
  .service-cell{border-right:none !important}
  .routes-grid{grid-template-columns:1fr}
  .about-wrap{grid-template-columns:1fr;gap:32px}
  .contact-inner{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  table.spec th,table.spec td{padding:12px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-value{font-size:28px}
  .steps-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .steps-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}