body {
    margin: 0;
    padding: 0;
    width: 100%;
}

header {
    position: fixed;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.3);
    background-color: rgb(248,249,250);
}

main {
    margin: 60px 0 0 0;
}

#navbar {
    margin: 0 auto;
    width: 1200px;
    height: 60px;
    display: flex;
    justify-content: space-between;
    /*background-color: rgb(0, 255, 0);*/
}

#nav-logo {
    width: 160px;
}

#nav-logo > img {
    width: 100%;
    height: auto;
}

#nav-logo:hover {
    cursor: pointer;
}

#nav-mainmenu {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    justify-content: space-between;
}

.mainmenu-item {
    position: relative;
}

.mainmenu-item > a {
    display: block;
    padding: 0 18px;
    height: 60px;
    line-height: 60px;
    color: #333;
    text-decoration: none;
}

.mainmenu-item:hover > a {
    color: #09f;
    background-color: #eee;
    cursor: pointer;
}

.content-wrapper {
    margin: 0;
    padding: 0;
    /*padding-top: 60px;
    margin-top: -60px;*/
    width: 100%;
    min-width: 1200px;
    height: 600px;
}

#content1 {
    z-index: 9;
    background-color: rgb(40, 77, 213);
}

#content2 {
    z-index: 8;
    background-color: rgb(255, 255, 255);
}

#content3 {
    z-index: 7;
    background-color: rgb(243, 247, 251);
}

#content4 {
    z-index: 6;
    /*background-color: rgb(30, 144, 255);*/
    background-color: rgb(40, 77, 213);
}

.content-area {
    margin: 0 auto;
    padding: 0;
    width: 1200px;
    height: 600px;
}

#content1-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#content1-text {
    margin: auto 70px auto 0px;
    color: #fff;
}

#content1-text > h2 {
    font-size: 3rem;
}

#content1-text > p {
    font-size: 1.3rem;
    margin-top: -30px;
}

#content1-img {
    display: block;
    width: 500px;
    height: 500px;
}

#content2-area {
    display: flex;
    flex-direction: column;
}

#content2-title {
    
}

#content2-title > h2 {
    margin-top: 40px;
    font-size: 2rem;
    text-align: center;
    color: rgb(40, 77, 213);
}

#content2-title > p {
    margin-top: -10px;
    display: block;
    width: 100%;
    font-size: 1.3rem;
    text-align: center;
    color: rgb(99, 100, 101);
}

#content2-text {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}

.product-item {
    width: 350px;
    height: 360px;
    background-color: rgb(236, 244, 250);
    border-color: rgb(245, 245, 245);
    border-radius: 20px;

    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.product-item:hover {
    background-color: rgb(40, 77, 213);
    cursor: pointer;
}

.product-item > img {
    margin-top: 20px;
    display: block;
    width: 180px;
    height: 180px;
}

.product-item-text {
    margin-bottom: 20px;
}

.product-item-text > h2 {
    color: #333;
    font-size: 1.1rem;
    text-align: center;
}

.product-item-text > p {
    padding: 0 30px;
    color: #aaa;
    text-align: center;
}

#content3-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#content3-title {
    width: 400px;
}

#content3-title > h2,
.feature-panel > h3 {
    font-size: 2rem;
    color: rgb(40, 77, 213);
}

#content3-title > p,
.feature-panel > p {
    display: block;
    font-size: 1.3rem;
    color: rgb(99, 100, 101);
}

#content3-text {
    width: 740px;
    height: 508px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    /*background-color: #000;*/
}

.feature-panel {
    width: 340px;
    height: 240px;
    padding: 0 8px;
    border-style: solid;
    border-color: #fff;
    border-width: 2px;
    border-radius: 8px;
    background-color: #fff;
}

.feature-panel > h3 {
    font-size: 1.5rem;
}

.feature-panel > p {
    font-size: 1.2rem;
}

#content4-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#content4-img {
    width: auto;
    height: 500px;
}

#content4-text {
    margin-left: 36px;
}

#content4-text > h2 {
    color: #fff;
    font-size: 3rem;
}

#content4-text > p {
    margin-top: -30px;
    color: #fff;
    font-size: 1.3rem;
}