#solution {
    width: 100%;
    margin: auto;
}

/* head*/
.row.no-gutter {
    margin-left: 0;
    margin-right: 0;
}

.row.no-gutter > [class*='col-'] {
    padding-right: 0;
    padding-left: 0;
}

#head {
    width: 100%;
    height: auto;
    margin-top: 60px;
}

#head img {
    width: 100%;
    height: 100%;
}

/***/
.pop {
    position: relative;
}

.box-nav {
    position: absolute;
    right: 20px;
    top: -40px;
    z-index: 9;
    line-height: 32px;
}

.box-nav a {
    color: rgb(255, 255, 255);
    font-size: 16px;
    margin-right: 10px;
    background: transparent;
    text-decoration: none;
    font-family: "Microsoft YaHei", 微软雅黑;
    opacity: 0.9;
    transition: opacity 0.3s ease 0s;
}
/* nav */
.nav{
    width: 50%;
    height: auto;
    margin: auto;
    margin-top:80px;
    margin-bottom: 10px;
    border-bottom: 1px solid #f2f2f2;
    cursor: pointer;
}
.nav ul{
    width: 100%;
    display: flex;
    padding-left: 10%;
    justify-content: center;
}
.nav ul li{
    flex:1;
    font-size: 18px;
    height: 74px;
    line-height: 74px;

}
.nav ul li:nth-child(3) a{
    padding-bottom: 25px;
    border-bottom: 2px solid #00B0A7;
}

.nav a{
	padding: 30px 0px;
    color: #000;
    text-decoration: none;
}
.nav ul li:hover a{
    color:  #00B0A7;
}


/**center**/
.solution {
   width: 100%;
   height: auto;
}

.div1{
    width: 100%;
    height:700px;  
    overflow: hidden;
    position:relative; 
}
.solution_center{
    width:100%; 
    height:700px;  
	padding-left: 10%;
    background-image: url(../images/case/hotel/1.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100% ;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* align-items: center; */
    /* animation: move1 3s ease 1; */
}
.center_font_img span{
     /* 调用动画 */
     /* animation-name: move; */
     /* 持续时间 */
     /* animation-duration: 3s; */
     display: block;
     font-size: 100px;
     color: #fff;
     animation: move2 3s ease 1;
}
.center_font h2{
    animation: move3 3s ease 1;
}

@keyframes move1 {
    /* 开始状态 */
    0%{
        opacity: 0;
        transform: translateY(700px);
    }
    /* 结束状态 */
    100%{
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes move2 {
    /* 开始状态 */
    0%{
        transform: translateX(-1000px);
    }
    /* 结束状态 */
    100%{
        transform: translateX(0);
    }
}
@keyframes move3 {
    /* 开始状态 */
    0%{
        transform: translateX(1000px);
    }
    /* 结束状态 */
    100%{
        transform: translateX(0);
    }
}
@keyframes move4 {
    /* 开始状态 */
    0%{
        opacity: 0;
        transform: translateY(500px);
    }
    /* 结束状态 */
    100%{
        opacity: 1;
        transform: translateY(0);
    }
}
.solution_img{
    display: none;
}

.solution_center_font{
    width: 33%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
	background-color: rgba(0 , 176 , 167 ,0.7);
	border-radius: 20px;
}

.center_font_img img{
    width: 100%;
    height: 100%;
}
.center_font{
    width: 60%;
    color:#fff;
    text-align: center;
}
.font_h{
    font-size: 28px;
}
.font_p{
    font-size: 16px;
    line-height: 26px;
    /* animation: move4 3s ease 1; */
}

/**left**/
.solution_left , .solution_left_2 , .solution_left_3 , .solution_left_4{
    width: 100%;
    height: 780px;
    background-image: url(../images/case/hotel/2.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100% ;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* animation: move1 3s ease 1; */
}

.solution_left_2{
	background-image: url(../images/case/hotel/4.jpg);
}

.solution_left_3{
	background-image: url(../images/case/hotel/6.jpg);
}

.solution_left_4{
	background-image: url(../images/case/hotel/8.jpg);
}


.solution_left_font{
    width: 100%;
    height: auto;
}
.left_font{
    width: 30%;
    color: #333333;
    margin-left: 10%;
}
/* right */
.solution_right , .solution_right_2 , .solution_right_3 , .solution_right_4 {
    width: 100%;
    height: 700px;
    background-image: url(../images/case/hotel/3.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100% ;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* animation: move1 3s ease 1; */
}

.solution_right_2{
	background-image: url(../images/case/hotel/5.jpg);
}

.solution_right_3{
	background-image: url(../images/case/hotel/7.jpg);
}

.solution_right_4{
	background-image: url(../images/case/hotel/9.jpg);
}


.solution_right_font{
    width: 100%;
    /* display: flex;
    justify-content: flex-end; */
}
.right_font{
    width: 30%;
    color:#333333;
    margin-left: 10%;
}
@media (min-width: 996px) {
    .left_font , .right_font{
        background: #FFFFFF;
		opacity: 0.7;
        padding: 2% 5%;
        border-radius: 20px;
		font-weight: bold;
    }
}

@media (min-width: 768px) and (max-width: 996px) {
    .div1{
        width: 100%;
        height: 500px;
        overflow: hidden;
        position:relative; 
    }
    .solution_center{
        width: 100%;
        height: 500px;
    }
    .center_font{
        width: 80%;
    }
    /* left */
    .solution_left , .solution_right , .solution_left_2 , .solution_right_2,
	.solution_left_3 , .solution_left_4,.solution_right_3 , .solution_right_4  {
        width: 100%;
        height: 500px;
        align-items: center;
    }
    .left_font , .right_font{
        width: 80%;
        height: auto;
        text-align: center;
        background-color:none;
        padding: 0;
        border-radius: 0;
    }
	
	.solution_center_font{
		width: 50%;
	}
	
	.solution_left_font , .solution_right_font{
		background-color:white;
		opacity:0.7;
		width: 70%;
		border-radius: 20px;
	}

}
@media (min-width: 480px) and (max-width: 768px) {
	.solution_center_font{
		width: 100%;
		background-color: white;
	}
	
    .nav ul li{
        font-size: 14px;
        height: 74px;
        line-height: 74px;
    
    }
    .div1{
        width: 100%;
        height: 500px;
        overflow: hidden;
        position:relative; 
    }
    .solution_center{
		padding-left: 0px;
        height: auto;
        background-image:none;
    }
    .center_font{
        width: 90%;
        color:#000;
        text-align: center;
    }
    .font_h{
        font-size: 24px;
    }
    .font_p{
        font-size: 14px;
        line-height: 27px;
    }
    .center_font_img{
        display: none;
    }
    .solution_img{
        display: block;
    }
    .solution_img img{
        width: 100%;
        height: 300px;
    }
     /* left */
     .solution_left , .solution_right , .solution_left_2 , .solution_right_2,
     .solution_left_3 , .solution_left_4,.solution_right_3 , .solution_right_4{
        height: auto;
        background-image:none;
        display: flex;
        justify-content: center;
        align-items: center;
    }
	
    .left_font , .right_font{
        width: 80%;
        color: #000;
        height: auto;
        text-align: center;
        background-color:none;
        padding: 0;
        border-radius: 0;
    }
	

}
@media (max-width: 480px) {
	
	.solution_center_font{
		width: 100%;
		background-color: white;
	}
	
    .nav{
        width: 100%;
		margin-top: 50px;
    }
    .nav ul li{
        font-size: 14px;
        height: 74px;
        line-height: 74px;
    
    }
    .div1{
        width: 100%;
        height: auto;
        overflow: hidden;
        position:relative; 
    }
    .solution_center{
        width: 100%;
        height: auto;
		padding-left: 0px;
        background-image:none;
    }
    .center_font{
        width: 90%;
        color:#000;
        text-align: center;
    }
    .cfont_h{
        font-size: 24px;
    }
    .font_p{
        font-size: 14px;
        line-height: 27px;
    }
    .center_font_img{
        display: none;
    }
    .solution_img{
        display: block;
    }
    .solution_img img{
        width: 100%;
        height: 200px;
    }
	
	
    .solution_left , .solution_right , .solution_left_2 , .solution_right_2,
    .solution_left_3 , .solution_left_4,.solution_right_3 , .solution_right_4{
        height: auto;
        background-image:none;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .left_font , .right_font{
        width: 80%;
        color: #000;
        height: auto;
        text-align: center;
        background-color:none;
        padding: 0;
        border-radius: 0;
        
    }
    
}