.travel{
    /* 相对定位 */
    position: relative;
    width: 350px;
    height: 450px;
	float: left;
    margin-left: 165px;
	margin-top: 5%;
    background-color: #6f9ec2;
    border-radius: 20px;
    /* 溢出隐藏 */
    overflow: hidden;
    /* 弹性布局 */
    display: flex;
    /* 元素纵向排列 */
    flex-direction: column;
    /* 居中 */
    align-items: center;
    color: #fff;
    /* 阴影 */
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
    /* 不让其被挤压 */
    flex-shrink: 0;
}
.travel .ph img{
    width: 100%;
    height: 100%;
    /* 保持原有尺寸比例，裁切长边 */
    object-fit: cover;
}
/* 默认大图 */
.travel .ph{
    /* 绝对定位 */
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 0%;
    overflow: hidden;
    /* 动画过渡 */
    transition: 0.5s;
}
/* 鼠标移入变小图 */
.travel:hover .ph{
    top: 240px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0,0,0,0.8);
}
/* 这里加个黑色到透明的渐变背景，可以更好的看清楚名字 */
.travel .ph::before{
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,transparent 50%,#222);
}
.travel h1{
    position: absolute;
    top: 370px;
    transition: 0.5s;
}
.card:hover h1{
    top: 170px;
}
.travel h2{
    margin-top: 220px;
    width: 80%;
    border-bottom: 1px solid rgba(255,255,255,0.3);
    font-size: 20px;
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
}
.travel p{
    width: 90%;
    text-indent: 32px;
    font-size: 16px;
    margin-bottom: 15px;
    line-height: 30px;
}
.travel a{
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.5);
    padding: 8px 32px;
    border-radius: 8px;
}
.travel a:hover{
    color: #fff;
    background-color: rgba(255,255,255,0.2);
}