#header {
    height: 156px;
}
.header_smart {
    display: none;
}
.header {
    width: 100%;
}
.header.top {
    position: fixed;
    z-index: 100;
    box-shadow: 0px 0px 40px -4px #343434;
}
.header.top .header_2 {
    display: none;
}
.go_top {
    border: solid 1px #999999;
    border-radius: 5px;
    color: #999999;
    display: none;
    position: fixed;
    bottom: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    cursor: pointer;
}
.header.top .go_top {
    display: flex;
    justify-content: center;
    align-items: center;
}
.header_1 {
    background-color: #343434;
    color: #ffffff;
    font-size: 25px;
}
.header_1_menu {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    height: 40px;
}
.header_1_menu > * {
    cursor: pointer;
    margin-right: 85px;
    letter-spacing: 3px;
}
.logo_small {
    display: none;
    width: 69px;
    height: 30px;
}
.header.top .logo_small {
    display: block;
}
.header_2_menu {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    height: 116px;
}
.header_2_left {
    text-align: center;
}
.header_2_right {
    text-align: center;
}
.header_2_menu > * {
    margin-right: 75px;
}
.header_2_menu_1 {
    font-size: 30px;
    color: #343434;
}
.header_2_menu_2 {
    font-size: 20px;
    color: #005aab;
}
.header_2_menu_3 {
    font-size: 30px;
    color: #005aab;
}
.header_2_menu_4 {
    font-size: 20px;
    color: #5d5d5d;
}

@media only screen and (max-device-width: 499px) {
    #header {
        height: 98px;
    }
    .header {
        display: none;
    }
    .header_smart {
        display: block;
        width: 100%;
        padding: 5px 10px;
        box-sizing: border-box;
    }
    .header_smart_full_contact {
        line-height: 1.5;
        font-size: 18px;
        display: block;
        position: absolute;
        right: 5px;
        text-align: right;
        bottom: 10px;
    }
    .header_smart_small {
        height: 40px;
        padding: 5px 5px;
        box-sizing: border-box;
        position: fixed;
        top: 0px;
        left: 0px;
        display: none;
        z-index: 100;
        box-shadow: 0px 0px 40px -4px #343434;
    }
    .header_smart.top .header_smart_small {
        display: block;
        width: 100%;
        background-color: #5d5d5d;
    }
    .header_smart_logo_small {
        width: 69px;
        height: 30px;
    }
    .header_smart_small_contact {
        color: #ffffff;
        position: absolute;
        right: 5px;
        text-align: right;
        bottom: 10px;
    }
    .header_smart_small_contact a {
        color: #ffffff;
        font-size: 18px;
    }
}
@media only screen and (min-device-width: 500px) and (max-device-width: 650px) {
    .header_logo img {
        height: 44px;
        width: auto;
    }
    .header_1_menu {
        justify-content: space-around;
    }
    .header_1_menu > * {
        margin-right: 0px;
        font-size: 16px;
        letter-spacing: 0px;
    }
    .header_2_menu {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .header_2_left {
        width: 200px;
    }
    .header_2_right {

    }
    .header_2_menu > * {
        margin-right: 0px;
    }
    .header_2_menu_1 {
        font-size: 18px;
    }
    .header_2_menu_2 {
        font-size: 16px;
        display: none;
    }
    .header_2_menu_3 {
        font-size: 18px;
    }
    .header_2_menu_4 {
        font-size: 16px;
    }
}
@media only screen and (min-device-width: 651px) and (max-device-width: 1279px) {
    .header_logo img {
        height: 44px;
        width: auto;
    }
    .header_1_menu {
        justify-content: space-around;
    }
    .header_1_menu > * {
        margin-right: 0px;
        font-size: 16px;
    }
    .header_2_left {
        width: 300px;
    }
    .header_2_menu {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .header_2_menu > * {
        margin-right: 0px;
    }
    .header_2_menu_1 {
        font-size: 21px;
    }
    .header_2_menu_2 {
        font-size: 16px;
    }
    .header_2_menu_3 {
        font-size: 21px;
    }
    .header_2_menu_4 {
        font-size: 16px;
    }
}