*{
    margin: 0;
    padding: 0;
}
body{
    /* 100%窗口高度 */
    height: 100vh;
    /* 弹性布局 居中显示 */
    display: flex;
    justify-content: center;
    align-items: right;
    /* 渐变背景 */
    background-image:url("../images/gj1/120809.jpg");
	background-position: bottom;
	background-attachment: fixed;
	background-repeat: no-repeat;
	background-color: #464646;
	background-blend-mode:soft-light;
}
a {
color:#000;
text-decoration: none;
}
a:hover {
  color: #c89e06;
  font-weight: bold;
}
a:focus, a:active {
  outline: none;
}

.container{
    display: flex;
    justify-content: center;
    align-items: center;
    /* 允许换行 */
    flex-wrap: wrap;
}
.icp{
	position: fixed;
	align-items: center;
	text-align: center;
	bottom: 5%;
	width: 300px;
	height: 10px;
    cursor: pointer;
    border: none;
    color: #000;
    padding: 0;
    font-size: 12px;
    font-weight:300;
	line-height: 30px;
    margin-top: 25px;
}
.link1{
	position: fixed;
	left:46%;
	bottom: 10%;
	align-items: center;
	text-align: center;
	width: 30px;
	height: 30px;
    cursor: pointer;
    border: none;
    background-color: rgba(255,255,255,0.6);
    color: #000;
    padding: 0;
    font-size: 12px;
    font-weight:300;
	line-height: 30px;
    margin-top: 25px;
	border-radius: 50%;
}
.link2{
	position: fixed;
	left:49%;
	bottom: 10%;
	align-items: center;
	text-align: center;
	width: 30px;
	height: 30px;
    cursor: pointer;
    border: none;
    background-color: rgba(255,255,255,0.6);
    color: #000;
    padding: 0;
    font-size: 12px;
    font-weight:300;
	line-height: 30px;
    margin-top: 25px;
	border-radius: 50%;
}
.link3{
	position: fixed;
	left:52%;
	bottom: 10%;
	align-items: center;
	text-align: center;
	width: 30px;
	height: 30px;
    cursor: pointer;
    border: none;
    background-color: rgba(255,255,255,0.6);
    color: #000;
    padding: 0;
    font-size: 12px;
    font-weight:300;
	line-height: 30px;
    margin-top: 25px;
	border-radius: 50%;
}
.intro{	
    position: relative;
	top:10%;
    width: 300px;
    height: 400px;
    margin: 0px;
    display: flex;
    align-items: flex-start;
    text-align: center;
    color: #f5f5f5;
	border-radius: 15px;
	border: 1px 0 1px #ffffff;
    /* 溢出隐藏 */
    overflow: hidden;
}
.intro::before{
    content: "";
    width: 100%;
    height: 110%;
    position: absolute;
    top: 0;
    left: 0;

}
/* 分别设置图片 */
.intro:nth-child(1)::before{
    background-image: url( "../images/gj1/120809.jpg");
	background-size: cover;
}
.intro::after{
    content: "";
    display: block;
    width: 100%;
    height: 200%;
    background: linear-gradient(to bottom,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0.25) 55%,
    rgba(0,0,0,0.8) 100%);
    /* 绝对定位 */
    position: absolute;
    left: 0;
    top: 0;
}
.intro .content{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 30px 15px;
}
.intro h2{
    font-size: 23px;
    font-weight: 300;
}
.intro p{
    font-size: 15px;
    /* 字间距 */
    letter-spacing: 2px;
    width: 80%;
    line-height: 30px;
    margin-top: 25px;
    /* 文本两端对齐 */
    text-align: center;
}
.intro button{
    cursor: pointer;
    border: none;
    background-color: rgba(0,0,0,0.2);
    color: #fff;
    padding: 12px 24px;
    font-size: 12px;
    font-weight:300;
    margin-top: 100px;
	border-radius: 10px;
}
.intro button:hover{
    background-color: #000;
}

.intro .content *:not(h2){
    /* .content下，除了h2，其他元素隐藏并下移20px */
    opacity: 100%;
}
.intro:hover .content *:not(h2){
    opacity: 1;
    transform: translateY(0);
    /* 过渡效果延迟 */
    transition-delay: 0.1s;
}





.card{
    position: relative;
	top:20%;
    width: 240px;
    height: 350px;
    margin: 10px;
    display: flex;
	flex-flow: row wrap;
    align-items: flex-end;
    text-align: center;
    color: #f5f5f5;
	border-radius: 15px;
	border: 1px 0 1px #ffffff;
    /* 溢出隐藏 */
    overflow: hidden;
}
.card::before{
    content: "";
    width: 100%;
    height: 110%;
    position: absolute;
    top: 0;
    left: 0;
    /* background-image: url(/images/139/1.jpg); */
    background-size: cover;
    background-position: 0 0;
    /* 过渡效果: css属性名 时长 贝塞尔曲线 */
    transition: transform 1s cubic-bezier(0.19,1,0.22,1);
}
/* 分别设置图片 */
.card:nth-child(1)::before{
    background-image: url( "../images/gj1/180524.jpg");
}
.card:nth-child(2)::before{
    background-image: url("../images/gjol/231228.jpg");
}
.card:nth-child(3)::before{
    background-image: url( "../images/jx3/150411.jpg");
}
.card:nth-child(4)::before{
    background-image: url( "../img/blog.jpg");
}
/* 遮罩 */
.card::after{
    content: "";
    display: block;
    width: 100%;
    height: 200%;
    background: linear-gradient(to bottom,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0.25) 55%,
    rgba(0,0,0,0.8) 100%);
    /* 绝对定位 */
    position: absolute;
    left: 0;
    top: 0;
    transform: translateY(0);
    /* 过渡效果 */
    transition: transform 1.4s cubic-bezier(0.19,1,0.22,1);
}
.card .content{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 16px 8px;
    transform: translateY(76%);
    transition: transform 0.7s cubic-bezier(0.19,1,0.22,1);
}
.card h2{
    font-size: 23px;
    font-weight: 300;
}
.card p{
    font-size: 15px;
    /* 字间距 */
    letter-spacing: 2px;
    width: 80%;
    line-height: 30px;
    margin-top: 25px;
    /* 文本两端对齐 */
    text-align: center;
}
.card button{
    cursor: pointer;
    border: none;
    background-color: rgba(0,0,0,0.2);
    color: #fff;
    padding: 12px 24px;
    font-size: 12px;
    font-weight:300;
    margin-top: 25px;
	border-radius: 10px;
}
.card button:hover{
    background-color: #000;
}
.card .content *:not(h2){
    /* .content下，除了h2，其他元素隐藏并下移20px */
    opacity: 0;
    transform: translateY(20px);
    transition: transform 0.7s cubic-bezier(0.19,1,0.22,1),opacity 0.7s cubic-bezier(0.19,1,0.22,1);
}
.card:hover{
    align-items: center;
}
.card:hover::before{
    transform: translateY(-5%);
}
.card:hover::after{
    transform: translateY(-50%);
}
.card:hover .content{
    transform: translateY(0);
}
.card:hover .content *:not(h2){
    opacity: 1;
    transform: translateY(0);
    /* 过渡效果延迟 */
    transition-delay: 0.1s;
}