#main {
    width: 100%;
    overflow: hidden;
}

/** 顶部图片 */
#banner {
    margin: 0 auto;
    width: 100%;
    height: 480px;
    max-width: 1920px;
    background-position: center center;
    background-image: url("../img/doraemon/banner-bg.png");
    background-color: rgb(241,112,62);
}
#banner-content {
    margin: 0 auto;
    height: 100%;
    overflow: hidden;
}
#banner-content>* {
    width: 270px;
}
#banner-content>*:nth-child(1) {
    margin-top: 180px;
    font-size: 50px;
    letter-spacing: 10px;
    color: white;
}
#banner-content>*:nth-child(2) {
    margin-top: 36px;
    font-size: 26px;
    line-height: 50px;
    color: #182779;
    text-align: center;
    background-color: #ffc941;
}

/** 财税小助手 */
#tax-assistant .section-content {
    border-top: 30px solid #f4f4f4;
}
.article-header {
    position: relative;
    margin-top: 20px;
    line-height: 66px;
    font-size: 26px;
    color: #666666;
}
.article-header::after {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 110px;
    height: 6px;
    background-color: #6190ff;
    border-radius: 3px;
}
.article-header>span:last-child::before {
    content: '/ ';
}
.article-header>span:last-child {
    padding-left: 24px;
    font-size: 16px;
    color: #999999;
}

/** 产品介绍 */
#tax-assistant-introduction .article-body>* {
    float: left;
}
#tax-assistant-introduction .article-body>p {
    padding: 54px 0;
    width: 750px;
    font-size: 18px;
    line-height: 30px;
    color: #666666;
    text-indent: 2em;
    letter-spacing: -0.31px;
    border-bottom: 2px solid #eeeeee;
    box-sizing: content-box;
}
#tax-assistant-introduction .article-body>div {
    margin-left: 90px;
    padding-top: 21px;
    width: calc(100% - 750px - 90px);
}
#tax-assistant-introduction-download>div:first-child {
    position: relative;
    margin-left: 124px;
    padding: 22px 0 22px 18px;
    border-left: 1px solid #bfbfbf;
    line-height: 30px;
    font-size: 16px;
    color: #666666;
}
#tax-assistant-introduction-download>div:first-child::before {
    content: url("../img/doraemon/tax-assistant-introduction-icon.png");
    position: absolute;
    top: 1px;
    left: -124px;
}
#tax-assistant-introduction-download>div:last-child {
    padding: 40px 0;
}
#tax-assistant-introduction-download>div:last-child>button {
    margin-right: 70px;
    width: 104px;
    height: 38px;
    font-size: 14px;
    color: white;
    background-color: #6190ff;
    border-style: none;
    border-radius: 10px;
    cursor: pointer;
}

/** 产品亮点 */
#tax-assistant-highlights .article-body {
    padding: 60px 0 40px 0;
}
#tax-assistant-highlights .article-body>ul>li {
    position: relative;
    float: left;
    width: 25%;
    height: 280px;
    padding-top: 180px;
    color: #6a6a6a;
    line-height: 24px;
    font-size: 16px;
    text-align: center;
}
#tax-assistant-highlights .article-body>ul>li::before, #tax-assistant-highlights .article-body>ul>li::after {
    content: '';
    display: block;
    position: absolute;
    top: 58px;
    width: 100%;
    height: 96px;
    background-repeat: no-repeat;
    background-position: center center;
}
#tax-assistant-highlights .article-body>ul>li::before {
    background-color: #f27241;
}
#tax-assistant-highlights .article-body>ul>li.active::before {
    z-index: 10;
}
#tax-assistant-highlights .article-body>ul>li:nth-child(2n+1)::after {
    background-color: #f2f5f8;
}
#tax-assistant-highlights .article-body>ul>li:nth-child(2n)::after {
    background-color: #edf0f2;
}
#tax-assistant-highlights .article-body>ul>li:nth-child(1)::before {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-active-1.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(1)::after {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-1.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(2)::before {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-active-2.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(2)::after {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-2.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(3)::before {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-active-3.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(3)::after {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-3.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(4)::before {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-active-4.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(4)::after {
    background-image: url("../img/doraemon/tax-assistant-highlights-icon-4.png");
}
#tax-assistant-highlights .article-body>ul>li:nth-child(2n+1) {
    background-color: #f2f5f8;
}
#tax-assistant-highlights .article-body>ul>li:nth-child(2n) {
    background-color: #edf0f2;
}
#tax-assistant-highlights .article-body>ul>li.active {
    background-color: #f27241;
    color: white;
}