/**
 * 首屏关键样式（原 inc-header 内联）：先于 Bootstrap 同步加载，减轻 FOUC
 */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:14px;line-height:1.5;color:#333;background:#f5f5f5}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 15px}
.navbar{background:#212529!important;padding:.5rem 0}
.navbar-brand{display:inline-block;padding:0;margin-right:1rem;font-size:1.25rem}
.navbar-brand img,.navbar-brand picture img{height:40px;width:auto}
.content-box{background:#fff;padding:20px;margin-bottom:20px;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.section-title{font-size:18px;font-weight:600;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #007bff}
.navbar-collapse{opacity:1}
#mobileSearchBtn .fa{font-size:26px;margin-right:5px}
@font-face{font-family:'FontAwesome';font-style:normal;font-weight:normal;font-display:swap;src:url(https://cdn.bootcdn.net/ajax/libs/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0) format('woff2'),url(https://cdn.bootcdn.net/ajax/libs/font-awesome/4.7.0/fonts/fontawesome-webfont.woff?v=4.7.0) format('woff')}
@media(max-width:768px){.container{padding:0 10px}.content-box{padding:15px}}