.bot{ margin-top:0!important;}

/* banner */
.banner {
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: -1;
}

.banner img {
    width: 100%;
    height: 100%;
}

.banner h3 {
    position: absolute;
    top: 55%;
    left: 50%;
    font-size: 40px;
    transform: translate(-50%, -50%);
    letter-spacing: 2px;
    color: #fff;
    font-family: 'Times New Roman', Times, serif
}

.mktitle {
	width: 100%;
	background: url(/eportal/uiFramework/commonResource/image/2023091913404342093.png)no-repeat center top;
}
.mktitle p {
	font-size: 32px;
	font-weight: bold;
	padding-top: 20px;
	text-align: center;
	font-weight: 600;
	letter-spacing: 3px;
}
.mktitle p a {
	font-size: 32px;
	font-weight: 600;
	letter-spacing: 3px;
}
.mktitle p span {
	display: block;
	padding: 15px 0 50px 0;
}
.mktitle p span a {
	font-size: 16px;
	color: #606060;
	font-weight: lighter;
	letter-spacing: 0;
}
.mktitle p span a:hover {
	color: #e02020;
}

/* 品牌攻略 */
.strategy {
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
    background-image: url(/eportal/uiFramework/commonResource/image/2023101011005415856.jpg);
    background-size: 100% 100%;
    background-position: 100% 100%;
    background-repeat: no-repeat;
    padding-top: 5%;
    padding-bottom: 7%;
    text-align: center;
}

.title {
    letter-spacing: 2px;
    font-size: 36px;
    margin-bottom: 5%;
    font-weight:600;
}

.strategy p {
    width:70%;
    margin: 0 auto;
    line-height: 2;
    color: #4e4e4e;
    font-size: 16px;
    text-align:justify;
}

.more {
    display: inline-block;
    padding: 8px 15px;
    font-size: 14px;
    margin-top:5%;
    color: #fff;
    background-color: #de0010;
    border-radius:20px;
}

/* 品牌产品 */
.product {
    max-width: 1920px;
    width: 100%;
    padding-top: 5%;
    padding-bottom: 10%;
    background-color: #ebeef1;
    margin: 0 auto;
    text-align: center;
}

.product-content {
    width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.item {
    /* flex: 1; */
    width: 32%;
    text-align: center;
    position: relative;
}

.item img {
    width: 100%;
}

.item:nth-child(4) {
    margin-top: 5%;
}

.item:nth-child(5) {
    margin-top: 5%;
}

.item:nth-child(6) {
    margin-top: 5%;
}

.item .item-title {
    color: #333;
    font-size: 20px;
    padding-top: 3%;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

.mask {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    height:86%;
}

.item:hover .mask {
    display: block;
}

.mask a {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 4% 6%;
    background-color: #004498;
    color: #fff;
    font-size: 14px;
}

/* 视频 */
.video {
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
    margin-bottom: 50px;
    position: relative;
    text-align: center;    padding:60px 0;
}

.goMore {
    margin-bottom: 2%;
    display: block;
    font-size: 16px;
    /* color: #606060; */
    font-weight: lighter;
    letter-spacing: 0;
}

.goMore:hover {
    color: #de0010;
}

.video video {
    width: 100%;
    height: 100%;
    /* display: none; */
    object-fit: cover;


}

.newVideo {
    width: 80%;
    height: 100%;
    display: none;
    object-fit: cover;
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, 0);
}

.close {
    width: 50px;
    height: 50px;
    position: absolute;
    right: 2%;
    top: 3%;
    z-index: 9;
}

.video-bg {

    margin: 0 auto;
    width: 85%;
    height: 500px;
    background: url(/eportal/imageDir/sinotruk/2023/11/img_pc_site/2023113017475059727.jpg) no-repeat top center;
    background-size: contain;
    /* text-align: center; */
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-bg img {
    width: 80px;
    height: 80px;
    position:absolute;
    top:50%;
    left:0;
    right:0;
    margin:0 auto;
    cursor: pointer;
}





/* 媒体查询 */

/* 1600以上 */
@media only screen and (min-width:1600px) {}

/* 1440-1600 */
@media only screen and (min-width: 1440px)and (max-width: 1599px) {
    .banner h3 {
        font-size: 36px;
    }

    .title {
        font-size: 34px;
    }

    .item .item-title {
        font-size: 19px;
    }

    .mask a {
        font-size: 17px;
    }
}

/* 1280-1440 */
@media only screen and (min-width: 1280px)and (max-width: 1439px) {
    .banner h3 {
        font-size: 32px;    font-weight:600;
    }

    .title {
        font-size: 30px;
    }

    .item .item-title {
        font-size: 18px;
    }

    .mask a {
        font-size: 16px;
    }
}

/* 1024-1280  */
@media only screen and (min-width: 1024px)and (max-width: 1279px) {
    .banner h3 {
        font-size: 30px;    font-weight:600;
    }

    .title {
        font-size: 28px;    font-weight:600;
    }

    .item .item-title {
        font-size: 16px;
    }

    .mask a {
        font-size: 15px;
    }
}

/* pad 768-1024 */
@media only screen and (min-width: 768px)and (max-width: 1023px) {
    .banner h3 {
        font-size: 28px;
    }

    .title {
        font-size: 26px;
    }

    .item .item-title {
        font-size: 15px;
    }

    .mask a {
        font-size: 14px;
    }
}

/* 屏幕小于 412px 时的样式  */
@media only screen and (max-width: 768px) {
    .banner h3 {
        font-size: 26px;
    }

    .title {
        font-size: 24px;
    }

    .strategy p {
        width: 85%;
        font-size:14px;
    }

    .item .item-title {
        font-size: 13px;
        padding-top: 1%;
    }

    .mask a {
        font-size: 12px;
    }

    .item {
        /* flex: 1; */
        width: 48%;
    }

    .item:nth-child(3) {
        margin-top: 7%;
    }

    .item:nth-child(4) {
        margin-top: 7%;
    }

    .item:nth-child(5) {
        margin-top: 7%;
    }

    .item:nth-child(6) {
        margin-top: 7%;
    }
}