/* 内页大图 */
.Nybanner {
    position: relative;
    width: 100%;
    background: #000;
    display: flex;
    justify-content: center;
}

.Nybanner img {
    position: relative;
    width: 100%;
    min-height: 175px;
    opacity: 1;
    object-fit: cover;
}

.Nybanner .text {
    position: absolute;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.Nybanner .text h1 {
    color: #fff;
    font-size: 48px;
    letter-spacing: 10px;
    line-height: 1.5;
    margin: 0;
    text-align: left;
    animation: ShowTop 1s ease-in-out 0s 1 alternate forwards;
}

@media screen and (max-width: 1440px) {
    .Nybanner .text h1 {
        font-size: 28px;
        letter-spacing: 5px;
    }
}

@media screen and (max-width: 992px) {
    .Nybanner {
        margin-top: 60px;
    }
}

/* 框架结构 */
.NyBigBox {
    background: #fff;
    position: relative;
    padding-top: 90px;
    padding-bottom: 90px;
    z-index: 9;
    overflow: hidden;
}

@media (max-width: 640px) {
    .NyBigBox {
        padding-top: 60px;
        padding-bottom: 60px;
    }
}



/* 分类 */
.NyNav {
    border-bottom: 1px solid #F2F2F2;
}

.NyNav .container {
    display: flex;
}


.NyNav a {
    color: #333;
    line-height: 75px;
    margin: 0 15px;
    border-bottom: 2px solid #fff0;
    text-align: center;
    position: relative;
}

.NyNav a:hover,
.NyNav a.active {
    color: var(--color);
    border-bottom: 2px solid var(--color);
}

@media screen and (max-width: 640px) {
    .NyNav .container {
        display: flex;
        flex-wrap: wrap;
    }

    .NyNav .container a {
        width: 50%;
    line-height: 60px;
    margin: 0;
    font-size: 14px;
    }
}


/* 导航 */
.header {
    top: calc(26.5vw - 75px);
}

@media screen and (max-width: 992px) {
    .header {
        top: 0;
    }
}