* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

header {
    background-color: rgb(255, 255, 255);
}

header .navbar-nav a.nav-link {
    color: rgb(119, 119, 119);
}

header .navbar-nav a.nav-link:hover {
    color: rgb(82, 139, 255);
}

header .navbar-nav .active a.nav-link {
    color: rgb(68, 68, 68);
}

header .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(0, 0, 0, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

header.bg-dark .navbar-nav a.nav-link {
    color: rgb(220, 220, 220);
}

header.bg-dark .navbar-nav a.nav-link:hover {
    color: rgb(82, 139, 255);
}

header.bg-dark .navbar-nav .active a.nav-link {
    color: rgb(255, 255, 255);
}

header.bg-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#fff' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 8h24M4 16h24M4 24h24'/%3E%3C/svg%3E");
}

header + header {
    border-top-width: 1px;
    border-top-style: solid;
    border-top-color: rgb(238, 238, 238);
}

.c8906 {
    background-image: url(https://template-1253409072.cos.ap-guangzhou.myqcloud.com/html-template/assets/img/thumb/3.jpg);
}

.c9133 {
    background-image: url(https://template-1253409072.cos.ap-guangzhou.myqcloud.com/html-template/assets/img/thumb/11.jpg);
}