/* ===== 设计令牌（顺凯站通过文件末尾 theme-override 覆盖品牌色） ===== */
:root{
  --brand:#1d4ed8;
  --brand-dark:#1e3a8a;
  --brand-soft:#eff6ff;
  --accent:#ea580c;
  --accent-dark:#c2410c;
  --accent-soft:#fff7ed;
  --ink:#0f172a;
  --ink2:#334155;
  --ink3:#64748b;
  --line:#e7ecf3;
  --bg:#ffffff;
  --bg2:#f6f9fd;
  --ok:#047857;
  --ok-soft:#ecfdf5;
  --radius:16px;
  --radius-sm:11px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 6px 16px rgba(15,23,42,.05);
  --shadow:0 2px 6px rgba(15,23,42,.05),0 18px 42px rgba(15,23,42,.10);
  --max:1140px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .6em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.8vw,46px)}
h2{font-size:clamp(23px,3.3vw,33px)}
h3{font-size:clamp(17px,2.1vw,20px)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
li{margin:.3em 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ===== 顶栏 ===== */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease),background .25s var(--ease)}
.hdr.scrolled{box-shadow:0 8px 28px rgba(15,23,42,.08);background:rgba(255,255,255,.94)}
.hdr-in{display:flex;align-items:center;gap:16px;height:66px;max-width:var(--max);margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18.5px;color:var(--ink);text-decoration:none;white-space:nowrap;letter-spacing:-.01em}
.logo:hover{text-decoration:none}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;flex:none;box-shadow:0 6px 14px rgba(3,105,161,.32)}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{padding:9px 13px;border-radius:9px;color:var(--ink2);font-size:15px;font-weight:500;transition:.16s var(--ease)}
.nav a:hover{background:var(--bg2);color:var(--brand);text-decoration:none}
.nav a.on{color:var(--brand);background:var(--brand-soft);font-weight:600}
.nav-cta{background:linear-gradient(135deg,var(--brand),var(--brand-dark))!important;color:#fff!important;padding:9px 20px!important;font-weight:600!important;box-shadow:0 8px 18px rgba(3,105,161,.26)}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:11px;cursor:pointer;padding:0;align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--brand-soft) 0%,#fff 72%);border-bottom:1px solid var(--line);padding:82px 0 66px}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cpath fill='%230369a1' fill-opacity='.08' d='M44 -62C58 -52 70 -39 74 -24C78 -8 73 9 64 24C55 39 42 51 27 60C12 69 -5 75 -22 72C-39 69 -56 57 -66 41C-76 25 -79 5 -74 -13C-69 -31 -56 -47 -41 -58C-26 -69 -9 -75 8 -78C25 -81 35 -72 44 -62Z' transform='translate(100 100)'/%3E%3C/svg%3E") no-repeat 96% -10% / 360px,
    radial-gradient(640px 400px at 90% -10%,rgba(3,105,161,.16),transparent 60%),
    radial-gradient(540px 380px at 4% 116%,rgba(217,119,6,.12),transparent 62%);
}
.hero::after{content:"";position:absolute;inset:0;z-index:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(15,23,42,.05) 1px,transparent 1.5px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 82%);
  mask-image:linear-gradient(180deg,#000,transparent 82%);
}
.hero .wrap{position:relative;z-index:1}
.hero h1{margin-bottom:.42em}
.hero .lead{font-size:clamp(16px,2vw,19px);color:var(--ink2);max-width:45em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.9);border:1px solid var(--line);color:var(--brand);font-size:13px;font-weight:700;padding:7px 15px;border-radius:999px;margin-bottom:22px;box-shadow:var(--shadow-sm);letter-spacing:.01em}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:38px}
.stat{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff,#fcfdff);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.stat::after{content:"";position:absolute;right:-20px;top:-20px;width:72px;height:72px;border-radius:50%;background:radial-gradient(circle,var(--brand-soft),transparent 70%)}
.stat:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.stat b{display:block;font-size:clamp(20px,2.4vw,25px);color:var(--brand);line-height:1.2}
.stat b::after{content:"";display:block;width:32px;height:3px;border-radius:3px;background:var(--accent);margin-top:9px}
.stat span{font-size:13.5px;color:var(--ink3);position:relative;z-index:1}

/* ===== 通用区块 ===== */
section{padding:66px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:46em;margin-bottom:40px}
.sec-head h2{position:relative;padding-bottom:16px}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.sec-head p{color:var(--ink3);margin:0;font-size:15.5px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}

.card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--brand),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card h3{margin-bottom:.45em}
.card p:last-child{margin-bottom:0}
.card .tag{display:inline-block;background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:700;padding:4px 11px;border-radius:7px;margin-bottom:13px;letter-spacing:.02em}
.card .tag.orange{background:var(--accent-soft);color:var(--accent)}
.card .tag.green{background:var(--ok-soft);color:var(--ok)}
.card-num{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px;box-shadow:0 6px 14px rgba(3,105,161,.26)}

/* ===== 车型 / 证件 卡片 ===== */
.type-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.type-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.type-hd{position:relative;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;padding:20px 24px}
.type-hd::after{content:"";position:absolute;right:-26px;top:-26px;width:96px;height:96px;border-radius:50%;background:rgba(255,255,255,.10)}
.type-hd .code{font-size:32px;font-weight:800;line-height:1;letter-spacing:.02em}
.type-hd .name{font-size:14.5px;opacity:.92;margin-top:5px}
.type-bd{padding:22px 24px;flex:1}
.kv{display:grid;grid-template-columns:auto 1fr;gap:7px 14px;font-size:14.5px;margin:0}
.kv dt{color:var(--ink3);white-space:nowrap}
.kv dd{margin:0;color:var(--ink2)}

/* ===== 表格 ===== */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
table{border-collapse:collapse;width:100%;font-size:14.5px;min-width:560px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--bg2);font-weight:700;color:var(--ink);white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--brand-soft)}

/* ===== FAQ ===== */
.faq{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{cursor:pointer;padding:18px 58px 18px 22px;font-weight:600;font-size:16px;position:relative;list-style:none;color:var(--ink);transition:background .16s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;transform:translateY(-50%);transition:.25s var(--ease)}
.faq details[open] summary::after{content:"−";background:var(--brand);color:#fff;transform:translateY(-50%) rotate(180deg)}
.faq summary:hover{background:var(--bg2)}
.faq .ans{padding:0 22px 20px;color:var(--ink2);font-size:15px}
.faq .ans p:last-child,.faq .ans ul:last-child{margin-bottom:0}

/* ===== 流程条 ===== */
.steps{counter-reset:s;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px 20px;box-shadow:var(--shadow-sm);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.step:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-12px;left:20px;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;box-shadow:0 6px 14px rgba(217,119,6,.3)}
.step h4{margin:8px 0 6px;font-size:16px}
.step p{font-size:14px;color:var(--ink3);margin:0}

/* ===== 按钮 ===== */
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 27px;border-radius:11px;font-weight:600;font-size:15.5px;border:1px solid transparent;cursor:pointer;transition:.18s var(--ease);position:relative;overflow:hidden}
.btn:hover{text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;box-shadow:0 8px 20px rgba(3,105,161,.26)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(3,105,161,.34)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 8px 20px rgba(217,119,6,.24)}
.btn-accent:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--bg2)}

/* ===== 提示条 ===== */
.note{position:relative;border-left:4px solid var(--brand);background:var(--brand-soft);padding:17px 20px;border-radius:0 12px 12px 0;font-size:14.5px;color:var(--ink2);box-shadow:var(--shadow-sm)}
.note.warn{border-left-color:var(--accent);background:var(--accent-soft)}
.note.ok{border-left-color:var(--ok);background:var(--ok-soft)}
.note strong{color:var(--ink)}
.note p:last-child{margin-bottom:0}

/* ===== CTA 区 ===== */
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;text-align:center;padding:62px 0}
.cta::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(520px 320px at 12% 0%,rgba(255,255,255,.12),transparent 60%),radial-gradient(440px 300px at 96% 100%,rgba(217,119,6,.32),transparent 62%)}
.cta .wrap{position:relative;z-index:1}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.88);max-width:38em;margin:0 auto 8px}
.cta .btns{justify-content:center}
.cta .btn-ghost{background:#fff;color:var(--brand-dark);border-color:#fff}
.cta .btn-ghost:hover{background:rgba(255,255,255,.9);color:var(--brand-dark)}
.cta .phone{display:inline-block;font-size:clamp(26px,4.4vw,36px);font-weight:800;letter-spacing:.02em;color:#fff;margin:14px 0 4px;text-shadow:0 2px 12px rgba(0,0,0,.2)}
.cta .phone:hover{text-decoration:none;opacity:.92}

/* ===== 联系卡 ===== */
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.contact-card .big{font-size:clamp(22px,3.4vw,30px);font-weight:800;color:var(--brand);letter-spacing:.02em;display:inline-block;margin:2px 0 6px}
.qr-box{width:152px;height:152px;border:2px dashed var(--line);border-radius:14px;display:grid;place-items:center;color:var(--ink3);font-size:13px;text-align:center;background:var(--bg2);padding:10px}

/* ===== 表单 ===== */
.form{display:grid;gap:14px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink2)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font:inherit;font-size:15px;background:#fff;color:var(--ink);transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(3,105,161,.14)}
.field textarea{min-height:104px;resize:vertical}

/* ===== 页脚 ===== */
.ftr{position:relative;background:#0f172a;color:#94a3b8;padding:52px 0 26px;font-size:14.5px}
.ftr::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.ftr h4{color:#fff;font-size:15px;margin-bottom:14px}
.ftr a{color:#cbd5e1}
.ftr a:hover{color:#fff}
.ftr .grid{gap:32px}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin:.45em 0}
.ftr-btm{border-top:1px solid #1e293b;margin-top:34px;padding-top:20px;font-size:13.5px;color:#64748b;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

/* ===== 移动端底部快捷条 ===== */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:8px 12px;gap:10px;box-shadow:0 -6px 20px rgba(15,23,42,.10)}
.mobile-bar a{flex:1;text-align:center;padding:12px;border-radius:11px;font-weight:700;font-size:15px}
.mobile-bar .m-call{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff}
.mobile-bar .m-more{background:var(--bg2);color:var(--ink);border:1px solid var(--line)}

/* ===== 占位提示（填完信息可删） ===== */
.todo-bar{background:#fef3c7;border-bottom:1px solid #fcd34d;color:#78350f;font-size:13.5px;padding:9px 20px;text-align:center}
.todo-bar b{color:#7c2d12}

/* ===== 滚动渐入（无 JS 时 html 无 .js 类，内容直接可见） ===== */
html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1!important;transform:none!important;transition:none!important}
}

/* ===== 响应式 ===== */
@media (max-width:860px){
  .nav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px;gap:2px;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px 14px}
  .burger{display:flex}
  .hdr{position:relative}
  section{padding:48px 0}
  .hero{padding:48px 0 42px}
  .hero::before{background-size:240px}
  body{padding-bottom:70px}
  .mobile-bar{display:flex}
  .ftr{padding-bottom:86px}
}
@media print{.hdr,.mobile-bar,.cta,.todo-bar{display:none!important}}

/* ===== 顺凯站主题覆盖：安全蓝 + 警示橙 ===== */
:root{
  --brand:#0369a1;
  --brand-dark:#075985;
  --brand-soft:#f0f9ff;
  --accent:#d97706;
  --accent-dark:#b45309;
  --accent-soft:#fffbeb;
}
/* 官方外链（指向应急管理厅等权威公示系统） */
.ext-link{color:var(--brand);font-weight:600;text-decoration:none;border-bottom:1px dashed var(--brand);padding-bottom:1px;white-space:nowrap}
.ext-link:hover{color:var(--brand-dark);border-bottom-style:solid}