.box_he {
    width: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    background: #fff;
}

.headers {
    width: 100%;
    padding: 20px 0;
    box-sizing: border-box;
}

.header_heart {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_heart .header_left {
    width: 428px;
    height: 70px;
}

.header_heart .header_left img {
    width: 100%;
    height: 100%;
}

.header_heart .header_right {
    width: 400px;
    height: 36px;
    border: 1px solid #002C63;
    border-radius: 30px;
    display: flex;
    justify-content: space-between;
    padding-left: 20px;
    box-sizing: border-box;
}

.header_heart .header_right input {
    width: 70%;
    padding: 0 20px 0 0;
    box-sizing: border-box;
    font-size: 14px;
    border: none;
    outline: none;
}

.header_heart .header_right button {
    width: 30%;
    height: 100%;
    border-radius: 30px;
    background: #002C63;
    color: #fff;
    font-size: 14px;
    border: none;
    cursor: pointer;
}

.daohang {
    background: #002C63;
    padding: 0;
    width: 100%;
}

.daohang ul {
    width: 1200px;
    display: flex;
    justify-content: space-around;
}

.daohang ul li {
    list-style: none;
    box-sizing: border-box;
    border-bottom: none;
}

.daohang ul li a {
    text-decoration: none;
    color: #fff;
    display: block;
    padding: 12px 25px;
    font-size: 16px;
}

.daohang ul .active {
    background: #2B629E;
}