html,body{
    background-color: #181818;
}
.navimg {
    width: 24px;
    height: 24px;
}

.c86 {
    color: #868F96;
}

.navactive {
    color: #0d6efd;
}

.ft12{
    font-size: 10px;
}

/* 顶部导航栏 */
.topnav {
    width: 100%;
    position: sticky;
    top: 0px;
    left: 0px;
    padding: 15px;
    background-color: #171A1E;
    z-index: 100;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.Logo {
    width: 150px;
    height: 30px;
}

.topnav button {
    background-color: #424242;
    color: #FFFFFF;
    font-size: 14px;
    border: none;
    width: 80px;
    padding: 8px;
    border-radius: 6px;
}

.loginbtn {
    background-color: #0076D6 !important;
}

.fixed-bottom {
    background-color: #171A1E !important;
}


/* 轮播图 */
.swiper-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 0px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.swiper{
    z-index: 1;
}

.swiper-slide img {
    width: 100%;
    height: 107px;
    object-fit: cover;
    display: block;
}

.swiper-pagination {
    bottom: 10px;
}

.swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.5);
}

.swiper-pagination-bullet-active {
    background-color: #fff;
    transform: scale(1.2);
}

.swiper-button-next,
.swiper-button-prev {
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity 0.3s, background-color 0.3s;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.6);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
}