.container-fluid{
    padding: 0;
    margin: 0;
}
.bg-index{
    background-image: url(../../img/index/bg9.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-position-y: -270px;
    background-size: auto;
}
@media (max-width: 767.98px) {
    .bg-index {
        background-position-y: -30px; /* 手机端调整 */
        background-image: url(../../img/index/bg9.png);
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-position-y: -270px;
        background-size: auto;
    }
}
.ptb20{
    padding:20px 0
}
.nav .nav-link {
    color: #fff !important;
    font-weight:bold
}
.bottomSolid1px{
    border-bottom: 1px solid #fff;
}

.nav-tabs .nav-link {
    color: #343a40 !important;
    border: none !important;
    padding: 10px 20px;
    border-bottom: 2px solid #343a40 !important;
}

.nav-tabs .nav-link:hover {
    background-color: #f8f9fa;
    color: #343a40 !important;
}

.nav-tabs .nav-link.active {
    color: #dc3545 !important;
    background-color: transparent;
    border-bottom: 2px solid #dc3545 !important;
}

.nav-tabs .nav-link.active i {
    color: #dc3545 !important;
}

.nav-tabs .nav-link:not(.active) i {
    color: #343a40 !important;
}

/* 移动端证书幻灯片样式 */
#copyrightCarousel {
    margin: 20px 0;
}

#copyrightCarousel .carousel-item {
    padding: 10px;
}

#copyrightCarousel .carousel-item img {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

#copyrightCarousel .carousel-item img:hover {
    transform: scale(1.05);
}

#copyrightCarousel .carousel-indicators {
    bottom: -40px;
}

#copyrightCarousel .carousel-indicators li {
    background-color: #dc3545;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 0 5px;
}

#copyrightCarousel .carousel-control-prev,
#copyrightCarousel .carousel-control-next {
    width: 40px;
    height: 40px;
    background-color: rgba(220, 53, 69, 0.8);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    margin: 0 10px;
}

#copyrightCarousel .carousel-control-prev-icon,
#copyrightCarousel .carousel-control-next-icon {
    width: 20px;
    height: 20px;
}