/* ============================================================
 * industry.css —— 行业详情（6 页共用，hero 图不同）
 * 源：05-原型/industry-power.html + industry-rail.html + industry-automotive.html + industry-renewable.html + industry-telecom.html + industry-defense.html
 * 目标模板：single-zz_industry.php
 * 本文件 = 该族独有规则（公共外壳见 _base.css）
 * 自动生成，请勿手改
 * ============================================================ */

:root{--blue:#1565C0;--blue-dark:#0D47A1;--blue-darker:#0A3D8F;--red:#E0301E;--paper:#f5f6f8;--white:#fff;--line:#dde2e8;--text:#222;--muted:#555}
body{font-family:Georgia,'Times New Roman',serif;background:var(--paper);color:var(--text);line-height:1.75;font-size:16px}
.container{max-width:900px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:Arial,sans-serif;font-weight:700}
.nav-item.on>a{color:var(--blue);font-weight:700}
.dropdown .dd-cur{background:var(--paper);font-weight:700}
.ind-hero{height:220px;background:var(--paper) center/cover no-repeat;position:relative;display:flex;align-items:flex-end}
.ind-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,61,143,.25) 0%,rgba(10,61,143,.65) 100%)}
.ind-hero-content{position:relative;z-index:1;padding:0 0 20px}
.ind-hero-content h1{color:#fff;font-size:clamp(1.4rem,2.5vw,2rem)}
.ind-hero-content p{color:#c5cae9;font-size:14px;margin-top:4px;font-family:Arial,sans-serif}
.breadcrumb{padding:14px 0;font-size:12px;color:#888;font-family:Arial,sans-serif}
.breadcrumb a{color:#888;text-decoration:none}
.section{padding:52px 0}
.section-title{font-family:Arial,sans-serif;font-size:21px;color:var(--blue-darker);margin-bottom:18px;font-weight:700}
.section p{font-size:15px;line-height:1.75;margin-bottom:14px}
.pain-table{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0;font-family:Arial,sans-serif}
.pain-table th{background:var(--blue-darker);color:#fff;padding:10px 14px;text-align:left;font-size:12px;font-weight:700}
.pain-table td{padding:10px 14px;border-bottom:1px solid var(--line)}
.pain-table tr:nth-child(even) td{background:#f5f7ff}
.prod-list{list-style:none;margin-top:20px}
.prod-list li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline}
.prod-list li:last-child{border-bottom:none}
.prod-list a{color:var(--blue-darker);text-decoration:none;font-size:16px;font-weight:600;font-family:Arial,sans-serif}
.prod-list a:hover{color:var(--red)}
.prod-list span{font-size:12px;color:var(--muted);font-family:Arial,sans-serif}
.std-list{list-style:none}
.std-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.std-list li:last-child{border-bottom:none}
.std-list strong{color:var(--blue);font-family:Arial,sans-serif;font-size:15px;min-width:140px;display:inline-block}
.std-list span{font-size:13px;color:#444}
.faq-item{background:var(--white);border:1px solid var(--line);margin-bottom:8px;border-radius:4px;overflow:hidden}
.faq-item summary{padding:14px 16px;cursor:pointer;font-family:Arial,sans-serif;font-size:15px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--blue-darker)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:20px;color:var(--red);font-weight:300}
.faq-item[open] summary::after{content:'−'}
.faq-item .faq-body{padding:0 16px 14px;font-size:14px;color:#444;line-height:1.7}
.cta-band{background:#0A3D8F;padding:36px 0;text-align:center}
.cta-band p{color:#c5cae9;font-size:14px;margin:0 0 16px;font-family:Arial,sans-serif}
.cta-btn{display:inline-block;background:var(--red);color:#fff;font-family:Arial,sans-serif;font-weight:700;font-size:15px;padding:12px 32px;text-decoration:none;border-radius:4px}
.zz-footer{background:#0D47A1;border-top:3px solid var(--red);color:#b3d1f2;padding:48px 0 20px;font-family:Arial,sans-serif}
@media(max-width:768px){.hdr nav{display:none}.burger{display:block}.m-nav.open{display:block}.pain-table{font-size:12px}.foot-grid{grid-template-columns:1fr 1fr;gap:24px}.foot-brand{grid-column:1/-1}}
@media(max-width:768px){
.hdr nav{display:none}
.burger{display:block}
.m-nav.open{display:block}
.pain-table{font-size:12px}
.foot-grid{grid-template-columns:1fr 1fr;gap:24px}
.foot-brand{grid-column:1/-1}
}