.tutorials-image-banner{ 
    
  background-color: rgba(0, 0, 0, 0.5);  
    
    
  justify-content: center;  
  align-items: center;  
    
    
    
  width: 100%;  
  height: 0;   
  padding-bottom: 66.67%;   
    
    
  border-radius: 20px;  
  position: relative;  
  overflow: hidden;  
  background-size: cover;   
    
  background-position: center;    
}  
  
.tutorials-image-banner h1 {  
  text-align: center;
  letter-spacing:0.5px; 
  font-size: 1.6rem;
  line-height: 1.6; 
  color:#fff;
  position: absolute;  
  z-index: 2;   
  top: 50%;   
  left: 50%;   
  transform: translate(-50%, -50%);   
}

.tutorials-image-banner::before {  
  content: "";  
  position: absolute;  
  top: 0;  
  left: 0;  
  right: 0;  
  bottom: 0;  
  background-color: rgba(0, 0, 0, 0.5);   
  z-index: 1;  
}  
  
  
@media (max-width: 768px) {  
  .tutorials-image-banner {  
    border-radius: 5px;  
  }  
  .tutorials-image-banner h1 { 
  	font-size: 2rem;
}
 
}

.tutorials-title {
    font-size: 1.6rem;
    margin: 5%  0% 2%;  
    line-height: 1.6; 
} 
.tutorials-image2-l{
	vertical-align: top;
	margin: 1% 0px 0px 0px;
	margin-right: 1%;
	box-sizing:border-box;
	display:inline-block;
	width:49.5%;
}  
.tutorials-image2-r{
	vertical-align: top;
	margin: 1% 0px 0px 0px;
	margin-right: 0%;
	box-sizing:border-box;
	display:inline-block;
	width:49.5%;
}
.tutorials-image{  
    display: flex;  
    margin: 0% 0%;  
    justify-content: top; 
    align-items: stretch; 
    gap: 1%;  
    width: 60%; 
}
.tutorials-image-banner{  
    margin: 0px; 
    border-radius: 20px; 
    width: 100%; 
}

.tutorials-description-imp {
	color:#84a7ff;
	text-decoration:underline;
	font-style: italic;
	font-size: 1.2rem;
	margin: 2% 0%; 
	line-height: 1.6; 
	letter-spacing:0.5px;
	word-wrap: 
	break-word; 
}  
.tutorials-description {
	text-decoration:underline;
	font-style: italic;
	font-size: 1.2rem;
	margin: 2% 0%; 
	line-height: 1.6; 
	letter-spacing:0.5px;
	word-wrap: 
	break-word; 
}

.tutorials-step {
	color: #ececec;
	background-color: rgba(255, 255, 255, 0.1);
	vertical-align: top;
	margin: 30px 0px;
	padding: 5%;
	box-sizing:border-box;
	display:inline-block;
	width:100%;
	border-radius:20px;
}
.tutorials-step-image {
	margin: 50px 0px;
	width:100%;
}

@media (max-width: 768px) {  
	.tutorials-title {
    font-size: 2rem;
	}  
	
	.tutorials-description, 
	.tutorials-description-imp{
	font-size: 1.5rem;
	}	
	
.tutorials-image-banner{  
    border-radius: 5px; 
}

	.tutorials-step {
	background-color: rgba(255, 255, 255, 0.3);
	border-radius:5px;
	}
	.tutorials-step-image {
	margin: 30px 0px;
	width:100%;
    }
}  

@media (min-width: 769px) and (max-width: 1024px) {  
	.tutorials-title {
    font-size: 1.8rem;
	}
	
.tutorials-image-banner{  
    border-radius: 5px; 
}
	.tutorials-description, 
	.tutorials-description-imp{
	font-size: 1.3rem;
	}
	
	.tutorials-step {
	background-color: rgba(255, 255, 255, 0.3);
	border-radius:5px;
	}
	.tutorials-step-image {
	margin: 30px 0px;
	width:100%;
    }	
}


@media (max-width: 768px) { 
	.tutorials-image{
    width: 100%; 
	}
}
.tutorials {
    width: 1200px;
    margin: 0 auto;
}
.tutorials-detail {
   padding: 10%;
    margin: 0 auto;
}

.m-tutorials-left {
    display: none;
}
 
.tutorials-bg {
    background: rgb(236 236 236);
} 

.down-mainInfor {
    border-bottom: 1px solid #dfd5d5;
    padding: 30px 0;
    font-weight: 600;
    font-size: 36px;
    color: #000;
}

.down_nav_list_fi:hover {
    background-color: black;
}

.down_nav_list_fi:hover p {
    color: #fff;
}

.down_nav_list_fi p:hover {
    color: #fff;
}

.tutorials-left {
    margin-bottom: 30px;
    float: left;
    /* border-radius: 10px;
    box-shadow: 0 0 5px rgb(0 0 0 / 10%); */
    margin-top: 30px;
    width: 25%;
    background: #fff;
}

.down_nav_list {
    padding-bottom: 60px;
    width: 100%;
    float: left;
}

.down_nav_list-a {
    float: left;
	color: #fff;
}

.down_nav_list-a_img {
    float: right;
    line-height: 32px;
    padding-top: 22px;
    padding-right: 50px;
}

.down_nav_list-a p {
    font-size: 16px;
    padding: 17px 20px;
}

.doownlist-con {
    /* border-radius: 10px;
    box-shadow: 0 0 5px rgb(0 0 0 / 10%); */
    float: left;
    width: 100%;
    padding-bottom: 50px;
    background-color: #fff;
    margin-bottom: 50px;
}

.doownlist-con-position {
    font-size: 16px;
    padding: 20px 20px;
}

.doownlist-con-list {    
    border-bottom: 1px solid #dfd5d5;    
    display: flex;     
    justify-content: center;     
    align-items: stretch;     
    padding: 20px;    
}  
  
.tutorials-con-fi, .tutorials-con-se {    
    display: flex;   
    flex-direction: column;   
    justify-content: center;   
    align-items: center;   
    box-sizing: border-box;   
}  
  
.tutorials-con-fi {    
    flex: 0 0 60%;   
    padding-right: 2%;   
}  
  
.tutorials-con-se {    
    flex: 0 0 40%;   
    height: auto;   
    padding: 30px 0;   
}  
  
  
.tutorials-con-fi img {  
	border-radius:20px; 
    max-width: 100%;   
    height: auto;   
}

.tutorials-con-se p {
    font-size: 16px;
    text-align: center;
}

.tutorials-con-se-fu p {
    font-size: 14px;
    color: #777;
    line-height: 40px;
}

.tutorials-con-se-anniu {
    border: 1px solid #666666;
    margin: 30px auto 0 auto;
    width: 150px;
    height: 35px;
    border-radius: 25px;
    background-color: #fff;
}

.tutorials-con-se-anniu p {
    margin-left: 50px;
    float: left;
    line-height: 36px;
    color: #666666;
}

.anniu-ico {
    width: 10px;
    height: 10px;
    background-size: 100%;
    background-image: url(/static/images/touch.png);
    margin-top: 13px;
    margin-left: 10px;
    float: left;
}

.tutorials-con-se-anniu:hover {
    transition: all 0.6s;
    background-color: black;
}

.tutorials-con-se-anniu p:hover {
    transition: all 0.6s;
    color: #fff;
}

.anniu-ico:hover {
    transition: all 0.6s;
    background-image: url(/static/images/touch1.png);
}

.nav_list_drop {
    float: left;
    width: 100%;
}

.nav_list_drop_list {
	padding: 3px 0;
	
    white-space: nowrap;
    width: 80%;
    text-overflow: ellipsis;
    overflow: hidden;
    margin-left: 20px;
   
    line-height: 40px;
}

.nav_list_drop_list p {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.down_nav_list_fi {
    height: 50px;
    width: 100%;
    margin-bottom: 10px;
	background-color: #303030;
}

.nav_list_drop .pro_yiji {
float: left;
    display: inline-block;
    width: 85%;
    padding-left: 5px;
    font-size: 14px;
}

.down-content {
    overflow: hidden;
    margin: 20px;
    float: left;
    width: 95%;
    
}

.down-page {
    margin: 30px;
}

.down-page-le p {
    font-size: 14px;
}

.down-page-le {
    float: left;
}

.down-page-ri {
    float: right;
}

.down-page-ri p {
    font-size: 14px;
}

.nav_list_drop_list {
    width: 80%;
}

.nav_list_drop .down_nav_list-a_img {
    float: right;
    width: 10%;
    display: inline-block;
    float: none;
    padding-right: 0;
    padding-top: 13px;
}

#pro_a {
	height: 40px;
    width: 100%;
    
}

.nav_se_drop {
    width: 100%;
    display: none;
}

.nav_se_drop p {
    padding-left: 25px;
    width: 100%;
}

.tutorials_top {
    height: 179px;
    width: 100%;
}

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

.tutorials-items {
    margin-top: 20px;
    margin-right: 1%;
    float: left;
    width: 31%;
}

@media screen and (min-width:768px) {
    .tutorials-items:nth-child(3n) {
        margin-right: 0;
    }
}

.tutorials_un_bg {
    background-attachment: fixed;
    width: 100%;
    background-size: cover;
    height: 148px;
}

.tutorials_un-1 {
    position: relative;
}

.tutorials_un {
    top: -3px;
    position: absolute;
    width: 100%;
    height: 150px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(5px);
    filter: blur(0px);
}

.tutorials_title {
    margin: 0 auto;
    width: 80%;
    overflow: hidden;
    margin-top: 30px;
    font-size: 16px;
    text-align: center;
    color: #dec3c5;
}

.tutorials_btn {
    margin: 20px auto;
    text-align: center;
    height: 40px;
    border: 1px solid #dec3c5;
    width: 60%;
    border-radius: 20px;
}

.tutorials_btn a {
    line-height: 40px;
    color: #dec3c5;
    font-size: 16px;
}

.nav_se_drop a img {
    position: relative;
    top: 10px;
}

.left_ico {
    display: none;
}
.pro_a.active112{
	background: #000;
}
.pro_a.active112 a{
	color: #fff;
}
.nav_se_drop.active112{
	display: block;
}
.left_ico.active2 {
	padding-top: 3px;
    margin-left: 8px;
    display: inline-block!important;
}