.main {
    width: 1100px;
    height: 550px;
    margin: 10px auto;
    position: relative;
    overflow: hidden;
    margin-top: 30px;
}

.focus ul {
    position: absolute;
    top: 0;
    left: 0;
    width: 500%;
}

.focus ul li {
    float: left;
}

.arrow-l,
.arrow-r {
    position: absolute;
    top: 50%;
    margin-top: -20px;
    width: 24px;
    height: 40px;
    background-color: rgba(0, 0, 0, .3);
    text-align: center;
    line-height: 40px;
    color: #fff;
    font-family: 'icomoon';
    font-size: 18px;
    z-index: 2;
}

.arrow-r {
    right: 0;
}

.circle {
    position: absolute;
    bottom: 10px;
    left: 520px;
}

.circle li {
    float: left;
    width: 15px;
    height: 15px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    margin: 0 3px;
    border-radius: 50%;
    cursor: pointer;
}

.current {
    background-color: #fff;
}

.facility {
    width: 1100px;
    height: 350px;
    margin: 30px auto;
}

.f1,
.f2,
.f3 {
    float: left;
    width: 335px;
    height: 350px;
    background-color: #e9ecef;
    margin: 0 18px;
}

.f1 {
    margin-left: 0;
    box-shadow: -5px 5px 5px -4px #888, 5px 5px 5px -4px #888;
    background-color: #fff;
}

.f3 {
    float: right;
    margin-right: 0;
    background-color: #fff;
    box-shadow: -5px 5px 5px -4px #888, 5px 5px 5px -4px #888;
}

.f2 {
    margin-left: 30px;
    box-shadow: -5px 5px 5px -4px #888, 5px 5px 5px -4px #888;
    background-color: #fff;
}

.f1-img,
.f2-img {
    border-bottom: #1b1c5e solid 5px;
}

.f3-img {
    border-bottom: #1b1c5e solid 5px;
}

.f1-word h3,
.f2-word h3,
.f3-word h3 {
    color: #1b1c5e;
    font-size: 20px;
    padding-left: 14px;
    padding-top: 10px;
    font-size: 22px;
}

.f1-word h5,
.f2-word h5,
.f3-word h5 {
    padding-top: 10px;
    padding-left: 14px;
    font-size: 15px;
}

.f1 a,
.f2 a,
.f3 a {
    display: inline-block;
    width: 335px;
    height: 350px;
}

.f1 a:hover,
.f2 a:hover,
.f3 a:hover {
    color: white;
    background-color: #6c757d;
}

.f1 a:hover h3,
.f2 a:hover h3,
.f3 a:hover h3 {
    color: white;
    background-color: #6c757d;
}

.tips {
    width: 1101px;
    height: 350px;
    margin: 50px auto;
}

.slogon {
    height: 50px;
    text-align: center;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-size: 30px;
    letter-spacing: 2px;
    color: gray;
}

.slogon span {
    font-style: italic;
    color: black;
}

.t1,
.t2,
.t3 {
    margin-top: 20px;
    float: left;
    width: 367px;
    height: 280px;
}

.t1 {
    position: relative;
}

.t2 {
    position: relative;
}

.t3 {
    position: relative;
}

.t1 .mask1 {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 367px;
    height: 280px;
    background: rgba(101, 101, 101, 0.6);
    color: #fff;
    opacity: 0;
}

.t2 .mask2 {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 367px;
    height: 280px;
    background: rgba(101, 101, 101, 0.6);
    color: #fff;
    opacity: 0;
}

.t3 .mask3 {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 367px;
    height: 280px;
    background: rgba(101, 101, 101, 0.6);
    color: #fff;
    opacity: 0;
}

.mask1 h2,
.mask2 h2,
.mask3 h2 {
    text-align: center;
    padding-top: 120px;
}

.mask1:hover,
.mask2:hover,
.mask3:hover {
    opacity: 1;
}