/* === Search Styles === */
.main-menu-search {
    background: var(--light-gray-color);
    border-radius: 25px;
    font-size: .875rem;
}
.main-menu-search input {
    background: var(--light-gray-color);
    border-radius: 25px;
    border: none;
    padding-left: 1rem;
    color: var(--dark-gray-color);
}
.main-menu-search input:focus {
    border: none;
    outline: none;
    box-shadow: none;
}
.main-menu-search .btn {
    border-top-right-radius: 25px;
    border-bottom-right-radius: 25px;
    color: var(--gray-blue-color);
    font-size: 1.2rem;
    border: none;
}
.main-menu-search .btn:focus {
    border: none;
    color: var(--dark-red-color);
}

/* === Social Icon Styles === */
.main-menu-social button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    margin-left: .5rem;
    border: none;
    color: var(--white-color);
    background: var(--gray-blue-color);
    transition: all 0.2s linear;
    z-index: 1;
}
.main-menu-social button:hover {
    background: var(--light-red-color);
    color: var(--white-color);
}
.popover {
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 0;
}
.popover-body {
    padding: .5rem;
}


/* === Navigation List Styles === */
.nav-list {
    background: var(--light-gray-color);
    padding: .5rem 0;
}
.nav-more {
    font-size: 1.6rem;
    line-height: 2.8rem;
    color: var(--gray-blue-color);
}
.nav-box {
    margin-left: 3rem;
}
.nav-box li.nav-item {
    margin-left: 1rem;
}
.nav-box li a.nav-link {
    padding: .5rem 1rem;
    font-weight: 500;
    color: var(--text-color);
}
.nav-box li a.active {
    color: var(--light-red-color);
}
.dropdown-menu {
    padding: 0;
    margin-top: 10px !important;
    border-radius: 0;
    border: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
}

.dropdown-item {
    line-height: 2.4rem;
    padding: .5rem 2rem;
}
.dropdown-item:hover {
    background: var(--light-red-color);
    color: var(--white-color);
}
.nav-login {
    line-height: 2.8rem;
    color: var(--text-color);
    margin-right: 1rem;
}
.nav-login:hover {
    color: var(--light-red-color);
}
.nav-register {
    background: var(--light-red-color);
    color: var(--white-color);
    padding: .5rem 1rem;
    border-radius: 3px;
    line-height: 2rem;
    white-space: nowrap;
}
.nav-register:hover {
    background: var(--dark-red-color);
    color: var(--white-color);
}
.sm-icon {
    background: var(--light-gray-color);
    border-radius: 50%;
    padding: .5rem .6rem;
    font-size: 1.1rem;
    color: var(--dark-blue-color);
    margin-left: .2rem;
}
/* === Responsive Styles === */
@media (min-width: 768px) and (max-width: 990.98px){
    .nav-box {
        margin-left: 2rem;
    }
    .nav-box li.nav-item {
        margin-left: 0;
    }
    .nav-box li a.nav-link {
        padding: .5rem;
    }

}
@media (min-width: 991px) and (max-width: 1080px){
    .nav-box li.nav-item {
        margin-left: 0;
    }
}
@media (max-width: 767.98px) {
    .navbar-brand img {
        max-height: 46px;
    }
    .nav-box {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        white-space: nowrap;
        -ms-overflow-style: none;  /* IE 隐藏滚动条 */
        scrollbar-width: none;     /* Firefox 隐藏滚动条 */
    }
    .nav-box::-webkit-scrollbar {
        display: none; /* Chrome/Safari 隐藏滚动条 */
    }
    .nav-item {
        scroll-snap-align: start;
        flex-shrink: 0;
    }
    .main-menu-search input {
        width: 5rem;
    }
    .sm-icon {
        padding: .4rem .7rem;
    }
}