*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#165DFF;
  --primary-dark:#0E42D2;
  --danger:#F53F3F;
  --text:#1D2129;
  --text-secondary:#4E5969;
  --muted:#86909C;
  --border:#E5E6EB;
  --bg:#F5F7FA;
  --white:#fff;
  --radius:12px;
  --shadow:0 8px 24px rgba(22,93,255,.08);
}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* Header */
.site-header{
  background:linear-gradient(135deg,#165DFF 0%,#0E42D2 100%);
  color:#fff;
  padding:0 24px;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 2px 12px rgba(14,66,210,.25);
}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:64px;
}
.logo{
  font-size:20px;
  font-weight:700;
  letter-spacing:.5px;
  display:flex;
  align-items:center;
  gap:8px;
}
.logo span{
  display:inline-block;
  width:10px;height:10px;
  background:#FFD666;
  border-radius:50%;
}
.nav{display:flex;align-items:center;gap:4px}
.nav a{
  color:rgba(255,255,255,.88);
  padding:8px 16px;
  border-radius:8px;
  font-size:15px;
  transition:background .2s,color .2s;
}
.nav a:hover,.nav a.active{
  background:rgba(255,255,255,.18);
  color:#fff;
}

/* Layout */
.container{
  max-width:1200px;
  margin:0 auto;
  padding:28px 20px 40px;
}
.page-hero{
  background:var(--white);
  border-radius:var(--radius);
  padding:28px 32px;
  margin-bottom:24px;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
}
.page-hero h1{
  font-size:26px;
  margin-bottom:8px;
}
.page-hero p{
  color:var(--text-secondary);
  font-size:15px;
  max-width:720px;
}
.section-title{
  font-size:20px;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:10px;
}
.section-title::before{
  content:"";
  width:4px;height:18px;
  background:var(--primary);
  border-radius:2px;
}

/* Cards */
.car-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.car-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .2s,box-shadow .2s;
}
.car-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow);
}
.car-item img{
  width:100%;
  height:180px;
  object-fit:cover;
  background:#e8eefc;
}
.info{padding:16px}
.info h4{
  font-size:16px;
  margin-bottom:8px;
}
.info .meta{
  color:var(--text-secondary);
  font-size:13px;
  margin-bottom:4px;
}
.price{
  color:var(--danger);
  font-weight:700;
  font-size:17px;
  margin-top:8px;
}
.tag{
  display:inline-block;
  font-size:12px;
  padding:2px 8px;
  border-radius:4px;
  background:#E8F3FF;
  color:var(--primary);
  margin-bottom:8px;
}
.btn{
  display:inline-block;
  padding:8px 18px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  font-size:14px;
  border:none;
  cursor:pointer;
  transition:background .2s;
}
.btn:hover{background:var(--primary-dark)}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn-outline:hover{
  background:#E8F3FF;
}
.btn-row{
  display:flex;
  gap:10px;
  margin-top:12px;
  flex-wrap:wrap;
}

/* Filters */
.filter-bar{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px 20px;
  margin-bottom:20px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
}
.filter-bar label{font-size:14px;color:var(--text-secondary)}
.filter-bar select,
.filter-bar input{
  padding:8px 12px;
  border:1px solid var(--border);
  border-radius:8px;
  font-size:14px;
  outline:none;
  min-width:140px;
}
.filter-bar select:focus,
.filter-bar input:focus{
  border-color:var(--primary);
}

/* Table */
.table-wrap{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:auto;
  box-shadow:var(--shadow);
}
table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
}
th,td{
  padding:14px 16px;
  text-align:left;
  border-bottom:1px solid var(--border);
}
th{
  background:#F2F3F5;
  font-weight:600;
  color:var(--text-secondary);
  white-space:nowrap;
}
tr:last-child td{border-bottom:none}
tr:hover td{background:#F7F8FA}
.price-cell{color:var(--danger);font-weight:700}
.highlight{background:#FFF7E8 !important}

/* Compare */
.compare-pick{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-bottom:24px;
}
.compare-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  text-align:center;
}
.compare-card img{
  width:100%;
  height:140px;
  object-fit:cover;
  border-radius:8px;
  margin-bottom:12px;
  background:#e8eefc;
}
.compare-card h4{margin-bottom:6px;font-size:15px}
.compare-card .price{font-size:16px;margin:8px 0}

/* About */
.about-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:24px;
}
.about-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
}
.about-card h2{
  font-size:20px;
  margin-bottom:14px;
}
.about-card p{
  color:var(--text-secondary);
  margin-bottom:12px;
  font-size:15px;
}
.contact-list{list-style:none;margin-top:8px}
.contact-list li{
  padding:12px 0;
  border-bottom:1px dashed var(--border);
  font-size:15px;
  color:var(--text-secondary);
}
.contact-list li:last-child{border-bottom:none}
.contact-list strong{
  color:var(--text);
  display:inline-block;
  min-width:72px;
}
.feature-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:8px;
}
.feature-item{
  background:var(--bg);
  border-radius:10px;
  padding:16px;
}
.feature-item h4{
  font-size:15px;
  margin-bottom:6px;
  color:var(--primary);
}
.feature-item p{
  font-size:13px;
  color:var(--text-secondary);
  margin:0;
}

/* Footer */
.site-footer{
  margin-top:40px;
  padding:28px 20px;
  text-align:center;
  background:#fff;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
}
.site-footer a{
  color:var(--muted);
}
.site-footer a:hover{color:var(--primary)}

@media (max-width:900px){
  .car-list,.compare-pick,.about-grid,.feature-list{
    grid-template-columns:1fr;
  }
  .header-inner{height:auto;padding:12px 0;flex-direction:column;gap:10px}
  .nav{flex-wrap:wrap;justify-content:center}
  .page-hero{padding:20px}
}