.w1200 {
    width: 1200px;
    margin: 0 auto;
    padding: 50px 0;
}

.prospect {
    background: rgba(152, 10, 6, 0.04);

    .titles {
        width: 430px;
        margin: 0 auto;
    }

    .main {
        display: flex;
        justify-content: space-between;

        .item {
            width: 23%;
        }
    }
}

.treatment {
    .titles {
        width: 350px;
        margin: 0 auto;
    }

    .main {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        margin-top: 30px;

        .item {
            display: flex;
            width: 46%;
            margin-top: 30px;
            background: #F6F6F6;
            padding: 20px;
            transition: all .5s linear;
            cursor: pointer;

            &:hover {
                background: #D60026;
                color: #ffffff;
            }

            .pic {
                width: 248px;
                flex-shrink: 0;
            }

            .right {
                margin-left: 20px;

                .title {
                    font-size: 20px;
                    font-weight: bold;
                }

                .treatment_icon {
                    width: 43px;
                    margin: 15px 0;
                }

                >p:nth-child(3) {
                    font-size: 16px;
                }
            }
        }
    }
}

.channel {
    background-color: #f7f7f7;

    .titles {
        width: 525px;
        margin: 0 auto;
    }

    .main {
        display: flex;
        justify-content: space-between;

        .item {
            width: 20%;
            margin-top: 50px;
            border-radius: 5px;
            background-color: #ffffff;
            transition: all .3s linear;
            cursor: pointer;
            padding-bottom: 20px;

            &:hover {
                transform: translateY(-10px);
                background-color: #D60026;
                color: #ffffff;
            }

            >p:nth-child(2) {
                font-size: 16px;
                margin-top: 15px;
                padding: 0 10px;
                font-weight: bold;
            }

            >p:nth-child(3) {
                font-size: 15px;
                margin-top: 15px;
                padding: 0 10px;
            }
        }
    }
}

.process {
    .titles {
        width: 522px;
        margin: 0 auto;
    }

    .pic {
        width: 1120px;
       margin-left: 80px;
        margin-top: 50px
    }
}

.course {
    .titles {
        width: 523px;
        margin: 0 auto;
    }

    .course_pic {
        margin-top: 50px;
    }
}

.teachers {
    .titles {
        width: 380px;
        margin: 0 auto;
    }

    .main {
        .item {
            position: relative;
            animation: tilt-in-left-1 .8s cubic-bezier(0.250, 0.460, 0.450, 0.940) both;

            .headlist {
                display: flex;
                justify-content: space-between;
                position: absolute;
                right: 58px;
                bottom: 36px;
                width: 700px;

                .item {
                    cursor: pointer;
                }
            }
        }
    }
}

@keyframes tilt-in-left-1 {
    0% {
        transform: rotateX(-30deg) translateX(-800px) skewX(-30deg);
        opacity: 0;
    }

    100% {
        transform: rotateX(0deg) translateX(0) skewX(0deg);
        opacity: 1;
    }
}

.enterprise {
    .titles {
        width: 866px;
        margin: 0 auto;
    }

    .enterprise_list {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;

        .item {
            width: 18%;
            text-align: center;
            box-sizing: border-box;
            border: 2px solid #DCDCDC;
            padding: 15px 0;
            margin-top: 30px;
            font-size: 15px;
            cursor: pointer;
        }

        .item:nth-child(2n) {
            background-color: #D60026;
            color: #ffffff;
        }
    }

    .btn {
        width: 420px;
        margin: 0 auto;
        background: #DD253F;
        border: none;
        padding: 20px 0;
        font-size: 15px;
        color: #ffffff;
        display: block;
        margin-top: 50px;
        cursor: pointer;
        border-radius: 5px;
    }
}

.information {
    .titles {
        width: 991px;
        margin: 0 auto;
    }

    .main {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;

        .item {
            width: 17%;
            padding: 20px 10px;
            box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.15);
            margin-top: 30px;

            .pic {
                width: 102px;
                margin: 0 auto;
            }

            >p {
                font-size: 20px;
                text-align: center;
                margin: 0 auto;
                margin: 15px 0;
            }

            .btn {
                border: none;
                width: 128px;
                height: 37px;
                display: block;
                margin: 0 auto;
                background: #DD253F;
                border-radius: 2.9px;
                color: #ffffff;
                cursor: pointer;
            }
        }
    }


    .btns {
        width: 237px;
        margin: 0 auto;
        background: #DD253F;
        border: none;
        padding: 20px 0;
        font-size: 20px;
        color: #ffffff;
        display: block;
        margin-top: 50px;
        cursor: pointer;
        border-radius: 28.5px;
    }
}

.changeShardBox {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    position: fixed;
    left: 0;
    top: 0;
}

.changeShardBox>.changeShard_wrap {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #F5F5F5;
    width: 450px;
    border-radius: 20px;
    padding-bottom: 20px;
    animation: animations .5s linear;
}

.changeShardBox>.changeShard_wrap>.tan_close {
    position: absolute;
    top: -20px;
    right: -25px;
    width: 30px;
    height: 30px;
    cursor: pointer;
}

.changeShardBox>.changeShard_wrap>h3 {
    font-size: 25px;
    text-align: center;
    margin-top: 30px;
    color: #0729AE;
}

.changeShardBox>.changeShard_wrap>.inp_box {
    width: 330px;
    margin: 0 auto;
    height: 50px;
    border: 1px solid #237aeb;
    display: flex;
    align-items: center;
    margin-top: 30px;
}

.changeShardBox>.changeShard_wrap>.inp_box>img {
    width: 30px;
    height: 30px;
}

.changeShardBox>.changeShard_wrap>.inp_box>input {
    height: 97%;
    width: 300px;
    background-color: #F5F5F5;
    font-size: 20px;
    margin-left: 10px;
}

.changeShardBox>.changeShard_wrap>.shuoming {
    width: 330px;
    margin: auto;
    text-align: center;
    font-size: 15px;
    margin-top: 10px;
}

.changeShardBox>.changeShard_wrap>.shuoming input {
    width: 20px;
    height: 20px;
}

.changeShardBox>.changeShard_wrap>.shuoming a {
    color: #237aeb;
}

.changeShardBox>.changeShard_wrap>.shuoming>p:nth-child(1) {
    display: flex;
    align-items: center;
    justify-content: center;
}

.changeShardBox>.changeShard_wrap>.btn {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.changeShardBox>.changeShard_wrap>.btn button {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 15px 60px;
    font-size: 20px;
    text-transform: uppercase;
    border: 0;
    background-color: #096bce;
    border-radius: 12px;
    overflow: hidden;
    transition: 31ms cubic-bezier(0.5, 0.7, 0.4, 1);
    cursor: pointer;
}

.changeShardBox>.changeShard_wrap>.btn button:before {
    content: attr(alt);
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    inset: 0;
    font-size: 20px;
    font-weight: bold;
    color: white;
    letter-spacing: 4px;
    opacity: 1;
}

.changeShardBox>.changeShard_wrap>.btn button:active {
    box-shadow: none;
    transform: translateY(7px);
    transition: 35ms cubic-bezier(0.5, 0.7, 0.4, 1);
}

.changeShardBox>.changeShard_wrap>.btn button:hover:before {
    transition: all .0s;
    transform: translateY(100%);
    opacity: 0;
}

.changeShardBox>.changeShard_wrap>.btn button i {
    color: white;
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 4px;
    font-style: normal;
    transition: all 2s ease;
    transform: translateY(-20px);
    opacity: 0;
}

.changeShardBox>.changeShard_wrap>.btn button:hover i {
    transition: all .2s ease;
    transform: translateY(0px);
    opacity: 1;
}

.changeShardBox>.changeShard_wrap>.btn button:hover i:nth-child(1) {
    transition-delay: 0.045s;
}

.changeShardBox>.changeShard_wrap>.btn button:hover i:nth-child(2) {
    transition-delay: calc(0.045s * 3);
}

.changeShardBox>.changeShard_wrap>.btn button:hover i:nth-child(3) {
    transition-delay: calc(0.045s * 4);
}

.changeShardBox>.changeShard_wrap>.btn button:hover i:nth-child(4) {
    transition-delay: calc(0.045s * 5);
}
@keyframes animations {
    0% {

        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes titles {
    0% {
        transform: translateX(-500px);
        opacity: 0;
      }
      100% {
        transform: translateX(0);
        opacity: 1;
      }
}