/* 官网导航二级菜单：跨境进口 */
.nav-has-dropdown {
    position: relative;
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translate(-50%, 6px);
    min-width: 168px;
    background: #fff;
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1001;
}

.nav-has-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

/* 透明过渡区：鼠标从导航下移时不中断 hover */
.nav-dropdown::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -14px;
    height: 14px;
}

.nav-dropdown a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.92rem;
    white-space: nowrap;
}

.nav-dropdown a:hover {
    background: #F0F5FF;
    color: #165DFF;
}