/* Hero -> 背景图 */
.hero-background{position: absolute; width: 100%; height: 100vh;}
.hero-background img{position: absolute; width: 100%; height: 100%;}
/* 导航栏 -> logo */
.navbar-brand img{max-height: 3rem; border-radius: 0.5rem;}
/* 导航栏 -> 图标 */
.navbar-menu .icon{font-size: 1.25rem;}