/* 湖北中特专用汽车 官网样式 v1 */
:root{
  --brand:#0b3c6b;        /* 主色：工业蓝 */
  --brand-dark:#082a4c;
  --accent:#e8590c;       /* 强调：工程橙 */
  --ink:#1c2733;
  --ink-2:#4a5764;
  --line:#e3e8ee;
  --bg:#ffffff;
  --bg-alt:#f5f7fa;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* 顶部条 */
.topbar{background:var(--brand-dark);color:#cfe0f0;font-size:13px;padding:8px 0}
.topbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.topbar b{color:#fff;font-size:14px}

/* 头部 */
.header{background:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(11,60,107,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  background:var(--brand);color:#fff;font-weight:700;font-size:20px;
  padding:8px 10px;border-radius:4px;letter-spacing:1px;
}
.logo-text{font-weight:700;font-size:19px;color:var(--brand);line-height:1.2}
.logo-text em{display:block;font-style:normal;font-size:10px;color:#8b98a5;letter-spacing:1px;font-weight:400}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:10px 16px;border-radius:4px;font-weight:500;color:var(--ink)}
.nav a:hover{background:var(--bg-alt);color:var(--brand)}
.nav a.active{color:var(--brand);font-weight:700}
.nav .nav-cta{background:var(--accent);color:#fff;margin-left:8px}
.nav .nav-cta:hover{background:#c94808;color:#fff}
.nav-toggle{display:none;font-size:24px;background:none;border:0;cursor:pointer;color:var(--brand)}

/* 主视觉 */
.hero{background:linear-gradient(135deg,#eaf1f8 0%,#f7fafc 60%,#fff 100%);padding:70px 0}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero-tag{
  display:inline-block;background:#fff;border:1px solid var(--brand);color:var(--brand);
  padding:5px 14px;border-radius:99px;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero h1{font-size:44px;line-height:1.25;color:var(--brand-dark);letter-spacing:-.5px}
.hero-sub{color:var(--ink-2);margin:20px 0 28px;font-size:17px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-points{list-style:none;margin-top:28px;display:flex;gap:22px;flex-wrap:wrap;color:var(--ink-2);font-size:15px}
.hero-media .ph{height:340px}

/* 按钮 */
.btn{display:inline-block;padding:13px 30px;border-radius:4px;font-weight:600;font-size:16px;transition:.2s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#c94808}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-white{background:#fff;color:var(--brand);font-weight:700}
.btn-white:hover{background:var(--accent);color:#fff}

/* 区块 */
.section{padding:70px 0}
.section-alt{background:var(--bg-alt)}
.title{text-align:center;font-size:32px;color:var(--brand-dark)}
.subtitle{text-align:center;color:var(--ink-2);margin:10px 0 40px}
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

/* 卡片 */
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 24px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(11,60,107,.1);border-color:var(--brand)}
.card-ico{
  width:52px;height:52px;background:var(--brand);color:#fff;border-radius:8px;
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:16px;
}
.card h3{font-size:19px;margin-bottom:10px;color:var(--brand-dark)}
.card p{color:var(--ink-2);font-size:15px}

/* 车型卡 */
.p-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.25s;display:block}
.p-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(11,60,107,.12)}
.p-card h3{padding:18px 20px 6px;font-size:19px;color:var(--brand-dark)}
.p-desc{padding:0 20px;color:var(--ink-2);font-size:15px}
.p-link{padding:14px 20px 20px;color:var(--accent);font-weight:600;display:block}
.more{text-align:center;margin-top:40px}

/* 数据 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.stat{text-align:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px 12px}
.stat b{display:block;font-size:42px;color:var(--accent);line-height:1.1}
.stat span{color:var(--ink-2);font-size:15px}
.note{text-align:center;color:#8b98a5;font-size:13px;margin-top:18px}

/* 口碑 */
.quote{background:#fff;border-left:4px solid var(--accent);border-radius:6px;padding:26px 24px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.quote p{color:var(--ink);font-size:15px}
.quote-by{margin-top:14px;color:var(--ink-2);font-size:14px}

/* CTA */
.cta-band{background:linear-gradient(120deg,var(--brand),var(--brand-dark));color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:28px;margin-bottom:6px}
.cta-inner p{color:#cfe0f0}

/* 内页头 */
.page-head{background:linear-gradient(135deg,#eaf1f8,#fff);padding:50px 0 40px}
.page-head h1{font-size:34px;color:var(--brand-dark)}
.page-head p{color:var(--ink-2);margin-top:8px}
.breadcrumb{font-size:14px;color:#8b98a5;margin-bottom:12px}
.breadcrumb a{color:var(--brand)}

/* 产品列表 */
.prod{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;display:grid;grid-template-columns:300px 1fr}
.prod-img{padding:20px;background:var(--bg-alt)}
.prod-body{padding:26px}
.prod-body h3{font-size:22px;color:var(--brand-dark);margin-bottom:6px}
.prod-tag{color:var(--accent);font-size:14px;font-weight:600;margin-bottom:12px}
.prod-body p{color:var(--ink-2);margin-bottom:14px}
.spec{width:100%;border-collapse:collapse;font-size:14px}
.spec td{border-top:1px solid var(--line);padding:9px 0}
.spec td:first-child{color:var(--ink-2);width:130px}

/* 关于 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.timeline{border-left:2px solid var(--brand);padding-left:24px}
.timeline li{list-style:none;position:relative;padding-bottom:26px}
.timeline li:before{content:"";position:absolute;left:-31px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent)}
.timeline b{color:var(--brand-dark);font-size:17px}
.timeline p{color:var(--ink-2);font-size:15px}

.badge-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.badge{background:#fff;border:1px solid var(--line);border-radius:6px;padding:18px;text-align:center;font-size:14px;color:var(--ink-2)}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.info-item{display:flex;gap:14px;margin-bottom:22px}
.info-ico{width:42px;height:42px;flex:0 0 42px;background:var(--brand);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center}
.info-item b{display:block;font-size:16px;margin-bottom:2px}
.info-item span{color:var(--ink-2);font-size:15px}
form{display:grid;gap:14px}
label{font-size:14px;color:var(--ink-2)}
input,textarea,select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:5px;font-size:15px;font-family:inherit;background:#fff}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand)}
textarea{min-height:120px;resize:vertical}
.form-tip{font-size:13px;color:#8b98a5}

/* 页脚 */
.footer{background:var(--brand-dark);color:#b9cde0;padding:50px 0 0}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:34px}
.footer h4{color:#fff;font-size:17px;margin-bottom:14px}
.footer p{font-size:14px;margin-bottom:8px}
.footer a:hover{color:#fff}
.footer-record{border-top:1px solid rgba(255,255,255,.12);padding:16px 20px 26px;font-size:13px;color:#8fb0cc}
.footer-record p{margin:0}
.record{margin-top:8px!important;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.record a{color:#8fb0cc}
.record a:hover{color:#fff}
.beian-icon{width:16px;height:16px;display:inline-block}
.sep{opacity:.4}

/* 占位图 */
.ph{
  background:repeating-linear-gradient(45deg,#e9eef4,#e9eef4 12px,#f4f7fa 12px,#f4f7fa 24px);
  border:1px dashed #c3cedb;border-radius:6px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;color:#8b98a5;font-size:14px;padding:16px;
}
.ph small{font-size:11px;opacity:.7;margin-top:6px}

/* 响应式 */
@media (max-width:960px){
  .grid-4,.grid-3,.grid-2,.stats{grid-template-columns:repeat(2,1fr)}
  .hero-inner,.about-grid,.contact-grid{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .prod{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .badge-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:10px 20px;box-shadow:0 8px 20px rgba(0,0,0,.08)}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .grid-4,.grid-3,.grid-2,.stats{grid-template-columns:1fr}
  .section{padding:50px 0}
  .hero h1{font-size:28px}
  .title{font-size:26px}
  .badge-list{grid-template-columns:1fr}
}

/* ===== 动态站增强样式 ===== */
.filter-bar{
  display:flex;gap:20px;align-items:flex-end;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 24px;margin-bottom:34px;
}
.filter-item{display:flex;flex-direction:column;gap:7px}
.filter-item label{font-size:13px;color:var(--ink-2);font-weight:500}
.filter-item select{min-width:150px}
.filter-tip{font-size:13px;color:var(--ink-2);padding-bottom:12px}
.empty-tip{text-align:center;color:var(--ink-2);padding:40px 0}
.empty-tip a{color:var(--accent);font-weight:600}

/* 折叠面板 */
.acc-item{padding:0;overflow:hidden;transition:.2s}
.acc-head{
  margin:0;padding:20px 24px;font-size:17px;color:var(--brand-dark);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;user-select:pointer;
}
.acc-head:hover{background:var(--bg-alt)}
.acc-arrow{
  width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
  transition:transform .25s;flex:0 0 26px;
}
.acc-item.open .acc-arrow{transform:rotate(45deg);background:var(--accent)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-item.open .acc-body{max-height:400px}
.acc-body p{padding:0 24px 22px;color:var(--ink-2)}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(10,20,32,.55);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:12px;max-width:520px;width:100%;padding:32px;position:relative}
.modal-box h3{font-size:21px;color:var(--brand-dark);margin-bottom:14px}
.modal-box p{color:var(--ink-2);margin-bottom:18px}
.modal-close{position:absolute;top:14px;right:16px;font-size:26px;color:#9aa5b1;cursor:pointer;line-height:1;background:none;border:0}
.modal-close:hover{color:var(--ink)}
.modal-box .btn{width:100%}

/* 提示气泡 */
.toast{
  position:fixed;left:50%;top:24px;transform:translateX(-50%) translateY(-80px);
  background:var(--brand-dark);color:#fff;padding:13px 24px;border-radius:8px;font-size:15px;
  z-index:300;transition:transform .3s;max-width:90%;text-align:center;
}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.err{background:#A32D2D}
.toast.ok{background:#0F6E56}

/* 选中态 */
.p-card.hidden{display:none}
.smart-badge{background:var(--accent);color:#fff;font-size:12px;padding:3px 10px;border-radius:99px;display:inline-block;margin-bottom:8px}

@media (max-width:640px){
  .filter-bar{flex-direction:column;align-items:stretch}
  .filter-item select{width:100%}
}