main {
    width: 100%;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

.main_header {
    height: 100vh;
    background: #2c3e50 url(/myiq/static/img/what_main_header.png) no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.main_header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 0;
}

.header-content {
    position: relative;
    z-index: 1;
    color: #FFFFFF;
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main_header h1 {
    font-weight: bold;
    font-size: 100px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 80px;
    transform: translateY(20px);
    opacity: 0;
    animation: slideIn 0.8s ease-out 0.3s forwards;
}

@keyframes slideIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.subtitle {
    font-weight: bold;
    font-size: 26px;
    margin: 15px 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(20px);
}

.subtitle:nth-child(2) {
    animation: subtitleFadeIn 0.8s ease-out 0.8s forwards;
}

.subtitle:nth-child(3) {
    animation: subtitleFadeIn 0.8s ease-out 1.1s forwards;
}

.subtitle:nth-child(4) {
    animation: subtitleFadeIn 0.8s ease-out 1.4s forwards;
}

@keyframes subtitleFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.test_button {
    display: flex;
    margin: 0 auto;
    justify-content: center;
    align-items: center;
    width: 380px;
    height: 86px;
    background: rgba(254, 254, 254, 0);
    border-radius: 43px;
    border: 2px solid #FFFFFF;
    font-weight: 400;
    font-size: 24px;
    color: #FFFFFF;
    margin-top: 100px;
    cursor: pointer;
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: buttonFadeIn 0.8s ease-out 1.7s forwards;
}

@keyframes buttonFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.test_button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.test_button:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.test_button_icon {
    width: 41px;
    height: 22px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-image: url(/myiq/static/img/exceptional_footer_left_box_button_icom.png);
    margin-left: 20px;
    transition: transform 0.3s ease;
}

.test_button:hover .test_button_icon {
    transform: translateX(5px);
}

.main_header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.2), rgba(155, 89, 182, 0.2));
    z-index: 0;
    opacity: 0;
    animation: gradientPulse 15s infinite alternate;
}

@keyframes gradientPulse {

    0%,
    100% {
        opacity: 0.1;
    }

    50% {
        opacity: 0.3;
    }
}

.content_section {
    max-width: 1200px;
    text-align: center;
    margin: 0 auto;
}

.content_section_header {
    margin: 80px auto;
    width: 652px;
    font-family: Arial;
    font-weight: bold;
    font-size: 24px;
    color: #000000;
    line-height: 48px;
}

.content1 {
    max-width: 1920px;
    margin: 0 auto;
    background-repeat: no-repeat;
    background-size: 1672px 505px;
    background-position: right bottom;
    position: relative;
    padding-bottom: 161px;
}

.content1::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 1672px;
    height: 505px;
    background-color: #0041D6;
    z-index: -1;
}

.what_content_1 {
    width: 1200px;
    height: 615px;
    margin: 0 auto;
}

.content2 {
    max-width: 1200px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    margin: 0 auto;
}

.content2_left {
    flex: 1;
    margin-right: 60px;
}

.content2_left_title {
    font-weight: bold;
    font-size: 36px;
    color: #000000;
    line-height: 54px;
    margin: 164px 0;
    margin-bottom: 130px;
}

.content2_rigth {
    flex: 1;
    position: relative;
    display: flex;
    align-items: flex-end;
}

.content2_rigth img {
    width: 527px;
    height: 527px;
    position: absolute;
    top: -13%;
    right: 0;
}

.content2_data {
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    line-height: 24px;
    min-height: 200px;
}

.content3 {
    margin: 60px 0;
}

.content3_title {
    text-align: center;
}

.content3_title .p1 {
    font-weight: 400;
    font-size: 36px;
    color: #000000;
}

.content3_title .p2 {
    font-weight: bold;
    font-size: 48px;
    color: #000000;
}

.content3_data_box {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 55px;
    margin-top: 20px;
}

.content3_data_box_item > img {
    width: 100%;
}

.content3_data_box_item_title {
    font-weight: bold;
    font-size: 20px;
    color: #000000;
    margin: 15px 0;
}

.content3_data_box_item_data {
    font-weight: 400;
    font-size: 12px;
    color: #666666;
}

.content4 {
    background-color: #0041D6;
}

.content4_box {
    max-width: 1200px;
    margin: 0 auto;
    color: #FFFFFF;
    display: flex;
    align-items: stretch;
}

.content4_left {
    flex: 2;
    margin-right: 60px;
}

.content4_rigth {
    flex: 1;
    position: relative;
}

.content4_rigth img {
    max-width: 200%;
    width: 600px;
    position: absolute;
    bottom: 0;
}

.content4_left_title {
    font-weight: bold;
    font-size: 60px;
    margin-top: 40px;
    margin-bottom: 10px;
}

.content4_left_data {
    font-weight: 400;
    font-size: 16px;
    margin-bottom: 60px;
}

.content5 {
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
    height: 50vw;
    max-height: 994px;
    background-image: url(/myiq/static/img/what_content5.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: center;
    display: flex;
    justify-items: center;
    align-items: center;
}

.content5_box {
    max-width: 1200px;
    margin: 0 auto;
    height: 84%;
    width: 100%;
    background-image: url(/myiq/static/img/what_content5_box.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: center;
    font-weight: bold;
    font-size: 40px;
    color: #FFFFFF;
    padding: 60px;
    padding-top: 80px;
}


.content5_box_p1 {
    color: #FFFFFF;
}

.content5_box_p2 {
    color: #FFFFFF;
}

.content5_box_p3 {
    color: #9EF2FF;
}

.content6 {
    background: #000000;
}


.what_button_box {
    position: relative;
    max-width: 1920px;
    margin: 0px auto;
    background: #000000;
}

.what_button_box > img {
    width: 100%;
}

.what_button {
    color: rgb(255, 255, 255);
    text-align: center;
    padding: 80px 0;
}

.what_button_title {
    font-weight: 700;
    font-size: 48px;
}

.what_button_remoke {
    font-weight: 700;
    font-size: 18px;
    margin: 20px auto 38px;
}

.what_button_button {
    width: 380px;
    height: 86px;
    background: rgba(254, 254, 254, 0);
    border-radius: 43px;
    border: 2px solid rgb(255, 255, 255);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    margin: 0 auto;
}

.what_button_button_icon {
    width: 41px;
    height: 22px;
    margin-left: 15px;
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center center;
    background-image: url("/myiq/static/img/exceptional_footer_left_box_button_icom.png");
}


@media (max-width: 768px) {
    .main_header {
        background-attachment: scroll;
        height: 113vw;
    }

    .main_header h1 {
        font-size: 11vw;
        margin-bottom: 6vw;
    }

    .subtitle {
        font-size: 4vw;
        margin: 1.5vw 0;
    }

    .content_section {
        padding: 3vw 5vw;
    }

    .test_button {
        width: 72vw;
        height: 15vw;
        font-size: 5vw;
        margin-top: 15vw;
    }

    .test_button_icon {
        width: 7vw;
        height: 4vw;
        margin-left: 3vw;
    }

    .content_section_header {
        margin: 5vw auto;
        width: 100%;
        font-family: Arial;
        font-weight: bold;
        font-size: 4vw;
        color: #000000;
        line-height: 5vw;
    }

    .content1 {
        max-width: 1920px;
        margin: 0 auto;
        background-repeat: no-repeat;
        background-position: right bottom;
        position: relative;
        padding-bottom: 0;
        margin-top: 4vw;
    }

    .what_content_1 {
        width: 90%;
        height: auto;
        margin: 0 auto;
        transform: translateY(-5.5vw);
    }

    .content2 {
        flex-direction: column;
        margin: 3vw 5vw;
    }

    .content2_left {
        flex: 1;
        margin-right: 0;
    }

    .content2_left_title {
        font-weight: bold;
        font-size: 5vw;
        color: #000000;
        line-height: 4vw;
        text-align: center;
        line-height: 5vw;
        margin: 5vw 3vw;
    }


    .content2_rigth {
        flex-direction: column;
    }

    .content2_rigth img {
        width: 100%;
        height: auto;
        position: static;

    }

    .content2_data {
        margin: 5vw 0;
        min-height: auto;
    }

    .content1::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 80vw;
        height: 29vw;
        background-color: #0041D6;
        z-index: -1;
    }

    .content3 {
        margin: 3vw 5vw;
    }

    .content3_title .p1 {
        font-size: 5vw;
    }

    .content3_title .p2 {
        font-size: 5.5vw;
    }

    .content3_data_box {
        grid-template-columns: repeat(1, 1fr);
        gap: 5vw;
        margin-top: 5vw;
    }

    .content3_data_box_item > img {
        width: 50%;
        margin: 0 auto;
    }

    .content3_data_box_item_title {
        font-size: 4vw;
        color: #000000;
        margin: 1vw 0;
        text-align: center;
    }

    .content3_data_box_item_data {
        font-size: 3.5vw;
        color: #666666;
    }

    .content4_box {
        flex-direction: column;
    }

    .content4_left {
        flex: 2;
        margin-right: 0;
        order: 2;
        margin: 5vw;
    }

    .content4_rigth {
        flex: 1;
        position: relative;
        order: 1;
    }

    .content4_rigth img {
        max-width: 100%;
        width: 100%;
        position: relative;
    }

    .content4_left_title {
        font-weight: bold;
        font-size: 6vw;
        margin-top: 0;
        margin-bottom: 3vw;
        text-align: center;
    }

    .content4_left_data {
        font-weight: 400;
        font-size: 3.5vw;
        margin-bottom: 0;
    }

    .content5 {
        max-width: 1920px;
        width: 100%;
        margin: 0 auto;
        height: auto;
        max-height: 994px;
        background-image: url(/myiq/static/img/what_content5.png);
        background-repeat: no-repeat;
        background-size: 100% 100%;
        background-position: center;
        display: flex;
        justify-items: center;
        align-items: center;
        background: none;
    }

    .content5_box {
        max-width: 1200px;
        margin: 0 auto;
        height: 62vw;
        width: 100%;
        background-image: url(/myiq/static/img/what_content5_box.png);
        background-repeat: no-repeat;
        background-size: 100%;
        background-position: center;
        font-weight: bold;
        font-size: 5vw;
        color: #FFFFFF;
        padding: 0;
        padding-top: 0;
        padding: 5vw;
        padding-top: 8vw;
    }

    .what_button {
        text-align: center;
        width: 80%;
        margin: 0 auto;
        padding: 7vw 0;
    }

    .what_button_box > img {
        width: 100%;
        height: 100%;
    }

    .what_button_title {
        font-size: 9vw;
    }

    .what_button_remoke {
        font-size: 4vw;
        margin: 3vw auto 8vw;
        font-weight: 100;
    }

    .what_button_button {
        width: 50vw;
        height: 15vw;
        border-radius: 10vw;
        font-size: 5.5vw;
        margin: 0px auto;
    }

    .what_button_button_icon {
        width: 8vw;
        height: 4vw;
        margin-left: 4vw;
        background-size: 100%;
    }

    .what_button_box {
        max-width: 100%;
        margin: 0;
        height: 60vw;
    }

}



.bounce {
    transition: all 0.3s ease;
    outline: none;
    position: relative;
    overflow: hidden;
    animation: bounce 3s infinite ease-in-out;
    opacity: 1;
}

@media (hover: hover) and (pointer: fine) {
    .bounce:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }
}

.bounce:active {
    transform: translateY(1px);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0) scale(0.98);
    }
    50% {
        transform: translateY(-5px) scale(1.02);
    }
}

.bounce::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.bounce:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

.login_start{
    display: block;
    margin-left: 0;
}

.user_info{
    display: none;
}