/* ============================================================
 * faq.css —— FAQ
 * 源：05-原型/faq.html
 * 目标模板：page-faq.php（待建）
 * 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-darker:#0A3D8F;--red:#E0301E;--paper:#f5f6f8;--white:#fff;--line:#dde2e8;--text:#222;--muted:#555}
body{font-family:Georgia,serif;background:var(--paper);color:var(--text);line-height:1.7;font-size:16px}
.container{max-width:800px;margin:0 auto;padding:0 24px}
h1,h2{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}
@media(max-width:768px){.hdr nav{display:none}.burger{display:block}.m-nav.open{display:block}}
.hero{background:var(--blue-darker);padding:40px 0}
.hero h1{color:#fff;font-size:clamp(1.4rem,2.5vw,2rem)}
.breadcrumb{padding:14px 0;font-size:12px;color:#888;font-family:Arial,sans-serif}
.breadcrumb a{color:#888;text-decoration:none}
.section{padding:40px 0}
.group-title{font-family:Arial,sans-serif;font-size:19px;color:var(--blue-darker);margin:32px 0 16px}
.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{background:var(--paper);border-top:1px solid var(--line);padding:40px 0;text-align:center}
.cta p{font-size:15px;color:var(--muted)}
.cta a{display:inline-block;background:var(--red);color:#fff;font-family:Arial,sans-serif;font-weight:700;font-size:15px;padding:14px 32px;text-decoration:none;border-radius:4px;margin-top:16px}
.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:#E0301E;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;color:#b3d1f2;padding:48px 0 20px;font-family:Arial,sans-serif;border-top:3px solid #E0301E}
@media(max-width:768px){.foot-grid{grid-template-columns:1fr 1fr;gap:24px}.foot-brand{grid-column:1/-1}}