/* Mobot 二级页（分类 / 产品详情）样式 —— 与首页同一套设计变量 */
:root{
  --primary:#0d5cad;
  --primary-dark:#08447f;
  --accent:#f5a623;
  --bg:#fff;
  --bg-soft:#f4f8fc;
  --text:#1e2a36;
  --text-soft:#5b6b7c;
  --border:#e2eaf2;
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1160px;margin:0 auto;padding:0 24px;}
section{padding:72px 0;}
.bg-soft{background:var(--bg-soft);}

/* 顶部导航 */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-img{height:48px;width:auto;}
.nav-links{display:flex;align-items:center;gap:22px;font-size:.92rem;font-weight:600;flex-wrap:wrap;}
.nav-links a{color:var(--text-soft);transition:color .2s;}
.nav-links a:hover{color:var(--primary);}
.nav-cta{background:var(--primary);color:#fff !important;padding:9px 18px;border-radius:999px;}
.nav-cta:hover{background:var(--primary-dark);}
.nav-right{display:flex;align-items:center;gap:10px;}
.lang-sw{display:flex;gap:4px;font-size:.78rem;font-weight:700;}
.lang-sw button{border:1px solid var(--border);background:#fff;color:var(--text-soft);border-radius:6px;padding:3px 7px;cursor:pointer;font-family:inherit;font-size:.75rem;}
.lang-sw button.on{background:var(--primary);border-color:var(--primary);color:#fff;}

/* 面包屑 */
.crumb{background:var(--bg-soft);border-bottom:1px solid var(--border);padding:14px 0;font-size:.85rem;color:var(--text-soft);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{margin:0 8px;opacity:.5;}

/* 产品首屏 */
.pdp{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start;padding-top:56px;}
.gallery .main{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;}
.gallery .main img{width:100%;height:100%;object-fit:contain;cursor:zoom-in;}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px;}
.thumbs img{aspect-ratio:4/3;object-fit:cover;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:.2s;opacity:.85;}
.thumbs img:hover{opacity:1;}
.thumbs img.on{border-color:var(--primary);opacity:1;}
.pdp h1{font-size:1.9rem;color:var(--primary);line-height:1.35;}
.model-tag{display:inline-block;background:var(--primary);color:#fff;font-size:.78rem;font-weight:700;letter-spacing:1px;padding:3px 10px;border-radius:999px;margin-bottom:12px;}
.tagline{color:var(--text-soft);margin:10px 0 22px;font-size:1rem;}
.chips{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 26px;}
.chip{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:10px 14px;}
.chip b{display:block;font-size:1.02rem;color:var(--primary);}
.chip span{font-size:.76rem;color:var(--text-soft);text-transform:uppercase;letter-spacing:.5px;}
.pdp-cta{display:flex;gap:12px;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.22s;font-family:inherit;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-wa{background:#25d366;color:#fff;}
.btn-wa:hover{background:#1eb959;transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--primary);}
.btn-ghost:hover{border-color:var(--primary);}
.trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:.82rem;color:var(--text-soft);}
.trust b{color:var(--primary);}

/* 通用区块头 */
.sec-head{max-width:760px;margin:0 auto 40px;text-align:center;}
.sec-head .kicker{color:var(--accent);font-weight:700;font-size:.8rem;letter-spacing:2px;text-transform:uppercase;}
.sec-head h2{font-size:1.75rem;color:var(--primary);margin:8px 0 10px;}
.sec-head p{color:var(--text-soft);font-size:.95rem;}
h2.plain{font-size:1.6rem;color:var(--primary);margin-bottom:20px;}

/* 概况 + 优势 */
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
.overview p{color:var(--text-soft);margin-bottom:14px;}
.overview p:last-child{margin-bottom:0;}
.feats{display:grid;gap:14px;}
.feat{display:flex;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;}
.feat .n{flex:none;width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center;}
.feat p{font-size:.92rem;color:var(--text-soft);}
.feat p b{color:var(--text);display:block;font-size:.95rem;}

/* 参数表 */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.spec-table tr:nth-child(even){background:var(--bg-soft);}
.spec-table th,.spec-table td{padding:14px 18px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--border);}
.spec-table th{width:42%;color:var(--text-soft);font-weight:600;}
.spec-table td{color:var(--text);font-weight:600;}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0;}

/* 场景卡片 */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.app{border-radius:var(--radius);overflow:hidden;position:relative;aspect-ratio:4/3;background:#0a3a68;}
.app img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.app span{position:relative;z-index:1;display:block;padding:52px 14px 14px;background:linear-gradient(transparent,rgba(8,44,80,.9));color:#fff;font-size:.88rem;font-weight:600;height:100%;display:flex;align-items:flex-end;}

/* 型号列表 */
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.m-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column;}
.m-card:hover{transform:translateY(-5px);box-shadow:0 14px 32px rgba(13,92,173,.14);border-color:#bcd3e8;}
.m-card .pic{aspect-ratio:4/3;overflow:hidden;background:#fff;}
.m-card .pic img{width:100%;height:100%;object-fit:contain;}
.m-card .bd{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.m-card h3{font-size:1rem;color:var(--primary);}
.m-card .sub{font-size:.82rem;color:var(--text-soft);}
.m-card .mini{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 10px;}
.m-card .mini i{font-style:normal;font-size:.74rem;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:3px 9px;color:var(--text-soft);}
.m-card .more{margin-top:auto;font-size:.85rem;font-weight:700;color:var(--primary);}

/* 相关产品 */
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* 询盘 */
.inq{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start;}
.inq-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;}
.inq-card label{display:block;font-size:.82rem;font-weight:700;color:var(--text-soft);margin:12px 0 6px;}
.inq-card input,.inq-card select,.inq-card textarea{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:.92rem;color:var(--text);background:#fff;}
.inq-card input:focus,.inq-card select:focus,.inq-card textarea:focus{outline:2px solid rgba(13,92,173,.25);border-color:var(--primary);}
.inq-card textarea{min-height:110px;resize:vertical;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.inq-card .btn{width:100%;margin-top:18px;}
.note{font-size:.76rem;color:var(--text-soft);margin-top:10px;}
.status{margin-top:12px;font-size:.88rem;display:none;padding:12px 14px;border-radius:8px;}
.status.ok{display:block;background:#e8f6ee;color:#1a7f45;border:1px solid #bfe6cf;}
.status.err{display:block;background:#fdecec;color:#b02a2a;border:1px solid #f5c2c2;}
.faq{display:grid;gap:12px;}
.faq details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 16px;}
.faq summary{cursor:pointer;font-weight:700;color:var(--primary);font-size:.93rem;}
.faq p{margin-top:8px;font-size:.9rem;color:var(--text-soft);}

/* 页脚 */
footer{background:#0a2740;color:#cfe0f0;padding:54px 0 26px;font-size:.88rem;}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
footer h4{color:#fff;font-size:.95rem;margin-bottom:12px;}
footer a{color:#cfe0f0;display:block;padding:3px 0;}
footer a:hover{color:var(--accent);}
.f-logo{height:54px;margin-bottom:12px;}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;font-size:.78rem;color:#8fa9c1;text-align:center;}

/* 灯箱 */
.lb{position:fixed;inset:0;z-index:9999;background:rgba(6,20,35,.94);display:none;align-items:center;justify-content:center;}
.lb.open{display:flex;}
.lb img{max-width:92vw;max-height:84vh;object-fit:contain;border-radius:8px;}
.lb .x{position:absolute;top:18px;right:20px;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;font-size:18px;cursor:pointer;}

/* RTL */
html[dir="rtl"] .spec-table th,html[dir="rtl"] .spec-table td{text-align:right;}
html[dir="rtl"] .feat{flex-direction:row;}
html[dir="rtl"] .lb .x{right:auto;left:20px;}

@media (max-width:960px){
  .pdp,.two-col,.inq{grid-template-columns:1fr;gap:28px;}
  .models,.related,.rel,.apps{grid-template-columns:1fr 1fr;}
  .f-grid{grid-template-columns:1fr 1fr;}
  .nav{height:auto;padding:10px 0;flex-wrap:wrap;}
  .nav-links{font-size:.85rem;gap:14px;}
}
@media (max-width:600px){
  section{padding:48px 0;}
  .pdp h1{font-size:1.45rem;}
  .chips,.models,.rel,.apps,.f-grid,.row2{grid-template-columns:1fr;}
  .thumbs{grid-template-columns:repeat(3,1fr);}
  .logo-img{height:36px;}
}