/* 主导航 */
.main-nav {
    background-color: #fff;
    border-bottom: 2px solid #0d6efd;
    padding: 0;
    position: relative;
}
.pl-08 {
    padding-left: 0.8rem !important;
}
.jc-left {
    justify-content: left !important;
}

.main-nav .navbar-toggler {
    border: 1px solid #0d6efd;
    padding: 4px 8px;
}

.main-nav .navbar-toggler:focus {
    box-shadow: none;
}

/* PC端导航布局 */
.main-nav .nav-row {
    width: 100%;
    margin: 0;
}

.nav-all-col {
    padding: 0;
}

.nav-all-item {
    background-color: #0d6efd;
    color: #fff !important;
    font-weight: bold;
    padding-left: 15px !important;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-menu-col {
    padding: 0;
}

.nav-menu-col .navbar-nav {
    width: 100%;
    height: 100%;
}

.nav-menu-col .nav-item {
    flex: 1;
    text-align: center;
    height: 100%;
}

.main-nav .nav-link {
    color: #333;
    padding: 10px 18px;
    border-radius: 0;
    transition: all 0.3s;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
    background-color: #0d6efd;
    color: #fff;
}
/* 响应式适配 */
@media (min-width: 768px) {
    .navbar-toggler {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .main-nav .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        z-index: 9999;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        border-bottom: 2px solid #0d6efd;
    }

    .nav-all-item {
        padding: 12px 15px !important;
    }

    .nav-menu-col .nav-item {
        text-align: left;
    }

    .nav-menu-col .nav-link {
        justify-content: flex-start;
        padding: 12px 15px;
    }
    .navbar-toggler {
        position: absolute;
        top: -5px;
        right: 0;
    }
    .navbar-toggler  span{
        font-size: 2rem !important;
    }
    .col-6 {
        width: 100% !important;
    }
    .header-search .input-group {
        max-width: 100%;
    }
    .nav-menu-col .nav-link {
        justify-content: center;
    }
    .nav-all-col {
        display: none;
    }
    .nav-item:nth-child(1) {
        background-color: #0d6efd;
        color: #fff;
    }
    .nav-item:nth-child(1) a {
        color: #fff;
    }
}