*{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#16324f;--blue:#2f6fed;--blue-d:#2456c4;--ink:#2a3340;--gray:#6b7684;
  --bg:#f4f7f9;--line:#e6ebf1;--card:#fff;
}
body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-d)}

.m-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 32px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.m-logo{display:flex;align-items:center;gap:12px;color:var(--navy)}
.m-logo .m-mark{width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px}
.m-logo span:last-child{font-weight:700;font-size:16px;display:flex;flex-direction:column;line-height:1.25}
.m-logo small{font-weight:400;color:var(--gray);font-size:12px}
.m-header nav{display:flex;gap:22px}
.m-header nav a{color:var(--ink);font-size:14px}
.m-header nav a:hover{color:var(--blue)}

.m-container{max-width:1180px;margin:0 auto;padding:24px 28px 60px}
.crumb{font-size:13px;color:var(--gray);margin-bottom:18px}
.crumb span{margin:0 7px;color:#b9c2cc}
.crumb b{color:var(--ink);font-weight:600}

.m-head{display:flex;justify-content:space-between;gap:28px;align-items:flex-start;background:linear-gradient(135deg,#fbfdff,#eef4ff);border:1px solid var(--line);border-radius:16px;padding:28px 30px;margin-bottom:24px}
.m-eyebrow{display:inline-block;font-size:12px;letter-spacing:1px;color:var(--blue);background:#e8f0ff;border-radius:20px;padding:4px 12px;margin-bottom:12px}
.m-head h1{font-size:28px;color:var(--navy);line-height:1.25}
.m-head .m-sub{font-size:18px;color:var(--gray);font-weight:500}
.m-summary{margin-top:10px;color:var(--gray);font-size:14px;max-width:640px}
.m-buy{flex:0 0 auto;text-align:center}
.m-buytag{display:inline-block;background:#e8f8ee;color:#1a9e54;border-radius:20px;padding:5px 14px;font-size:13px;margin-bottom:12px}
.m-btn{display:block;width:100%;min-width:180px;background:var(--blue);color:#fff;border-radius:10px;padding:11px 18px;font-size:15px;margin-bottom:10px;text-align:center}
.m-btn:hover{background:var(--blue-d);color:#fff}
.m-btn.ghost{background:#fff;color:var(--blue);border:1px solid #cdd9f2}
.m-btn.ghost:hover{background:#f2f6ff}

.m-grid{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.m-tablewrap,.m-aside-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.m-tablewrap h2{font-size:18px;color:var(--navy);margin-bottom:14px}
.m-table{width:100%;border-collapse:collapse;font-size:14px}
.m-table th,.m-table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.m-table th{width:130px;background:#f7fafc;color:var(--gray);font-weight:600}
.m-table tr:nth-child(even) td{background:#fbfdff}
.m-src{margin-top:14px;font-size:12px;color:#9aa4b0;line-height:1.6}

.m-aside{display:flex;flex-direction:column;gap:18px}
.m-aside-card h3{font-size:15px;color:var(--navy);margin-bottom:12px}
.m-links{display:flex;flex-wrap:wrap;gap:8px;max-height:260px;overflow:auto}
.m-links a{font-size:12px;background:#f2f6fc;border:1px solid #e2e9f4;border-radius:7px;padding:4px 9px;color:var(--ink)}
.m-links a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.m-more{font-size:12px;color:#9aa4b0;margin-top:12px}
.m-aside-card.cta{background:linear-gradient(135deg,#16324f,#2b5aa6);color:#fff}
.m-aside-card.cta h3{color:#fff}
.m-aside-card.cta p{font-size:13px;color:#d7e3f5;margin-bottom:14px}
.m-aside-card.cta .m-btn{background:#fff;color:var(--navy);margin-bottom:0}
.m-aside-card.cta .m-btn:hover{background:#eef4ff}

.m-footer{border-top:1px solid var(--line);background:#fff;padding:20px 32px;text-align:center;color:var(--gray);font-size:13px;display:flex;justify-content:center;gap:24px;flex-wrap:wrap}

@media (max-width:900px){
  .m-grid{grid-template-columns:1fr}
  .m-head{flex-direction:column}
  .m-header{padding:12px 16px}
  .m-header nav{gap:14px}
  .m-container{padding:18px 14px 40px}
}


/* ============ 询价转化补丁（仅追加，不覆盖既有规则） ============ */
.m-contact-card{background:var(--navy);color:#fff;border-radius:12px;padding:18px;margin-bottom:16px}
.m-contact-card h3{font-size:15px;margin-bottom:4px;color:#fff}
.m-contact-card .cc-sub{font-size:12px;color:#b9cbdd;margin-bottom:14px}
.m-contact-card .cc-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid #ffffff1f;font-size:13px}
.m-contact-card .cc-row:first-of-type{border-top:0}
.m-contact-card .cc-row b{font-weight:600;font-size:14px;letter-spacing:.02em}
.m-contact-card .cc-row span{color:#a9c0d6;font-size:11px;display:block}
.m-contact-card a{color:#fff}
.m-contact-card .cc-tel{display:block;background:#fff;color:var(--navy);text-align:center;font-weight:700;font-size:15px;padding:11px;border-radius:8px;margin-top:12px;letter-spacing:.04em}
.m-contact-card .cc-wx{display:flex;gap:12px;align-items:center;margin-top:12px}
.m-contact-card .cc-wx img{width:84px;height:84px;object-fit:cover;border-radius:6px;background:#fff;padding:3px}
.m-contact-card .cc-wx div{font-size:12px;color:#c8d8e6;line-height:1.7}
.m-contact-card .cc-wx b{color:#fff;font-size:13px;display:block}

.m-inquiry{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.m-inquiry h2{font-size:17px;color:var(--navy);margin-bottom:4px}
.m-inquiry .iq-sub{font-size:12.5px;color:var(--gray);margin-bottom:16px}
.m-inquiry .iq-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.m-inquiry label{display:block;font-size:12px;color:var(--gray);margin-bottom:4px}
.m-inquiry input,.m-inquiry textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:9px 11px;font-size:13.5px;font-family:inherit;color:var(--ink);background:#fbfcfd}
.m-inquiry input:focus,.m-inquiry textarea:focus{outline:none;border-color:var(--blue);background:#fff}
.m-inquiry .iq-full{grid-column:1/-1}
.m-inquiry .iq-model{background:#f1f5f9;color:var(--navy);font-weight:600}
.m-inquiry .iq-actions{display:flex;gap:10px;align-items:center;margin-top:14px;flex-wrap:wrap}
.m-inquiry .iq-submit{border:0;background:var(--blue);color:#fff;font-size:14px;font-weight:600;padding:11px 26px;border-radius:8px;cursor:pointer;font-family:inherit}
.m-inquiry .iq-submit:hover{background:var(--blue-d)}
.m-inquiry .iq-call{font-size:13px;color:var(--gray)}
.m-inquiry .iq-call a{font-weight:600}
.m-inquiry .iq-done{display:none;margin-top:12px;background:#eef6ff;border:1px solid #cfe2fb;border-radius:8px;padding:12px 14px;font-size:13px;color:#1c4a8a}
.m-inquiry .iq-done b{color:var(--navy)}
@media(max-width:640px){.m-inquiry .iq-grid{grid-template-columns:1fr}}

/* 移动端底部固定联系栏 */
.m-mobile-bar{display:none}
@media(max-width:820px){
  body{padding-bottom:70px}
  .m-mobile-bar{display:grid;grid-template-columns:1fr 1fr 1.25fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px #16324f1a}
  .m-mobile-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:10px 4px;font-size:11.5px;color:var(--navy);font-weight:600}
  .m-mobile-bar a i{font-style:normal;font-size:16px;line-height:1}
  .m-mobile-bar a.primary{background:var(--blue);color:#fff}
  .m-mobile-bar a.wx{border-left:1px solid var(--line);border-right:1px solid var(--line)}
}
/* 微信弹层 */
.m-wxmodal{position:fixed;inset:0;background:#0b1c2ecc;display:none;align-items:center;justify-content:center;z-index:80;padding:24px}
.m-wxmodal.open{display:flex}
.m-wxmodal .box{background:#fff;border-radius:14px;padding:22px;text-align:center;max-width:300px;width:100%}
.m-wxmodal .box img{width:100%;border-radius:8px}
.m-wxmodal .box p{font-size:13px;color:var(--gray);margin:10px 0 14px}
.m-wxmodal .box button{border:1px solid var(--line);background:#fff;padding:8px 20px;border-radius:6px;font-size:13px;font-family:inherit;cursor:pointer;color:var(--ink)}

/* ===== 型号页加厚增量样式（仅追加） ===== */
.m-table tr.cur td{background:#eaf3fb;font-weight:600}
.series-note{font-size:12px;color:#9aa4b0;margin-top:10px}
.know-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.know-item{background:#f7fafc;border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.know-item b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:5px}
.know-item p{font-size:12.5px;color:var(--gray);line-height:1.75;margin:0}
@media(max-width:760px){.know-grid{grid-template-columns:1fr}}
.faq-item{border:1px solid var(--line);border-radius:10px;padding:13px 16px;margin-top:10px;background:var(--card)}
.faq-item b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:5px}
.faq-item p{font-size:12.5px;color:var(--gray);line-height:1.8;margin:0}
.faq-item a{color:var(--blue)}