body {
    background: #ffffff;
}

* {
    box-sizing: border-box;
}

.header {
    position: absolute;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    width: 100%;
    padding: 15px 25px;
    background: #ffffff;
    z-index: 99999999999;
}

.logo {
    height: 45px;
}

.mainNav {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.mainNav>li {
    position: relative;
    font-size: 14px;
    line-height: 25px;
}

.mainNav>li .head,
.mainNav>li a {
    display: block;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    color: #454545;
    font-weight: 900;
}

.mainNav>li+li {
    margin-left: 25px;
}

.mainNav>li>ul {
    position: absolute;
    top: 25px;
    left: calc(50% - 75px);
    box-sizing: border-box;
    width: 150px;
    height: 0;
    padding: 0 15px;
    border-radius: 10px;
    box-shadow: 0 2.5px 5px rgba(0, 0, 0, 0.25);
    background: white;
    overflow: hidden;
    transition: .3s;
}

.mainNav>li:hover ul {
    padding: 15px;
    height: auto;
}

.mainNav>li>ul li {
    text-align: center;
}

.mainNav>li>ul li:hover {
    background: #f2f2f2;
}

.accountBox {
    display: flex;
    align-items: center;
}

.accountBox li+li {
    margin-left: 10px;
}

.accountBox li a {
    display: flex;
    padding: 5px 25px;
    border-radius: 25px;
    color: white;
}

.accountBox li.disableacc a {
    background: #ff0000;
    margin-left: 5px;
}

.accountBox li a {
    background: #4ac66d;
    margin-left: 5px;
}

.accountBox li:last-child a {
    background: #93c9f9;
}

.openNav {
    display: none;
}

/***index***/

.content {
    padding-top: 75px;
}

.banner {
    margin-bottom: 15px;
}

.bannerItem {
    overflow: hidden;
}

.bannerItem,
.bannerItem img {
    width: 100%;
}

.bannerItem img.MB {
    display: none;
}

.mainTitle {
    display: flex;
    flex-direction: row;
    justify-content: center;
    padding: 15px 0;
    margin-bottom: 0;
    font-size: 32px;
    font-weight: 900;
    color: #479f60;
}

.mainTitle > span:first-child {
    padding: 12px;
    margin-right: 5px;
    font-size: 20px;
    color: #479f60;
    border-radius: 5px;
    font-weight: 600;
	font-family: ·L³n¥¿¶ÂÅé;
}

.mainTitle > span:nth-child(2n) {
    display: block;
    margin: 0;
    font-size: 32px;
    padding: 5px;
    color: #ffffff;
    /* border-bottom: #bbb 2px solid; */
	background-color: #e16e0c;
	border-radius: 5px 0 0 5px;
}

.mainTitle > span:nth-child(3n) {
    display: block;
    margin: 0;
    font-size: 32px;
    padding: 5px;
	color: #ff8521;
	background-color: #fce9da;
	border-radius: 0 5px 5px 0;
    /* border-bottom: #479f60  2px solid; */
}

.mainTitle > * + * {
    margin-left: 5px;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 50px;
}

.featureList {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
}

.featureList li {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: calc(100%/4 - 100px/3);
}

.featureList li > * + * {
    margin-top: 0px;
}

.featureList li > img {
    width: 80%;
    margin-bottom: 25px;
}

.featureList li a.button {
    padding: 5px 25px;
    border-radius: 25px;
    font-size: 18px;
    color: #454545;
    border: #d6d6d6 2px solid;
    font-weight: 900;
}

/***inside***/

.bookList {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 50px;
}

.bookWrapper {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1366px;
}

.optionTop {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: #e6e6e6 1px solid;
}

.searchBar {
    display: flex;
    flex-direction: row;
    gap: 14px;
}

.searchBar input {
    padding: 10px 15px;
    font-size: 16px;
    line-height: 21px;
    border-radius: 5px;
    color: #454545;
    border: #d6d6d6 1px solid;
    background: white;
    appearance: none;
}

.searchBar button {
    padding: 10px 25px;
    font-size: 16px;
    border-radius: 50px;
    color: white;
    border: 0;
    background: #4ac66d;
}


.selectList {
    display: flex;
    flex-direction: row;
}

.selectList select {
    padding: 10px 15px;
    font-size: 16px;
    border-radius: 5px;
    color: #454545;
    border: #d6d6d6 1px solid;
    background: white;
    appearance: none;
}

.selectList select+select {
    margin-left: 10px;
}

.books {
    display: flex;
    flex-direction: row;
    padding: 15px 0;
    border-bottom: #e6e6e6 1px solid;
}

.book {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 150px;
    cursor: pointer;
}

.book+.book {
    margin-left: 15px;
}

.book.active img {
    background-color: #188fff;
}

.book.active div.head {
    color: white;
    border-color: #188fff;
    background-color: #188fff;
}

.book img {
    box-sizing: border-box;
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 2.5px 5px rgba(0, 0, 0, 0.15);
}

.book .head {
    font-weight: bold;
    padding: 5px 25px;
    border-radius: 25px;
    color: #666666;
    background: #eeeeee;
}

.subjects {
    display: flex;
    flex-direction: row;
    width: 100%;
    padding: 15px 0;
    border-bottom: #e6e6e6 1px solid;
}

.subject {
    padding: 10px 25px;
    font-size: 16px;
    border-radius: 25px;
    color: #454545;
    border: #d6d6d6 1px solid;
    background: white;
    appearance: none;
    cursor: pointer;
    font-weight: bold;
	background-color: #e7ffee;
}

.subject.active {
    color: white;
    border-color: #4ac66d;
    background-color: #4ac66d;
}

.subject+.subject {
    margin-left: 10px;
}

.files {
    display: table;
    width: 100%;
    padding: 15px 0;
}

.file {
    display: table-row;
}

.file:nth-child(2n)>* {
    background: #eee;
}

.file>* {
    display: table-cell;
    vertical-align: middle;
}

.file.head>* {
    color: #aaa;
}

.check {
    width: 45px;
}



.name .head {
    font-size: 16px;
    color: #454545;
    font-weight: normal;
}

.size {
    width: 100px;
}

.size span {
    font-size: 12px;
    color: #454545;
    font-weight: normal;
}

.option {
    width: 100px;
}

.option button {
    padding: 5px 25px;
    border-radius: 25px;
    border: 0;
    color: white;
    background-color: #4ac66d;
    font-weight: normal;
}

.cellContent {
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 35px;
    padding: 5px 10px;
    font-weight: normal;
}

.cellContent input[type='checkbox'] {
    display: none;
}

.cellContent input[type='checkbox']+label {
    width: 15px;
    height: 15px;
    border: #e6e6e6 3px solid;
    border-radius: 10px;
    background: white;
}

.cellContent input[type='checkbox']:checked+label {
    background: #4ac66d;
}

.optionBottom {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: #d6d6d6 1px solid;
}

ul.page {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
}

ul.page a {
    font-size: 16px;
    color: #454545;
    text-decoration: none;
    cursor: pointer;
}

ul.page .active a,
ul.page li:hover a {
    color: #4ac66d
}

button.download {
    padding: 5px 25px;
    border-radius: 25px;
    border: 0;
    color: white;
    background-color: #4ac66d;
}

@media screen and (max-width: 1024px) {


    .logo {
        height: 35px;
    }

    .mainNav {
        position: fixed;
        top: 0;
        left: calc(100px - 100%);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: calc(100% - 100px);
        height: 100%;
        padding: 50px 0;
        background-color: #479f60;
        overflow: hidden;
        transition: .3s;
    }

    .mainNav.open {
        display: flex;
        left: 0;
        padding: 50px;
        flex-direction: column;
        align-items: center;
    }

    .mainNav li {
        position: relative;
        font-size: 14px;
        line-height: 35px;
        width: 100%;
    }

    .mainNav>li .head,
    .mainNav>li a {
        width: 100%;
        height: auto;
        color: #ffffff;
    }

    .mainNav>li+li {
        margin-left: 0;
        border-top: white 1px solid;
    }

    .mainNav>li>ul {
        position: static;
        width: auto;
        height: auto;
        margin-bottom: 15px;
        padding: 0 0 0 15px;
        border-radius: 0;
        box-shadow: none;
        background: transparent;
    }

    .mainNav>li:hover ul {
        padding: 0;
        height: auto;
    }

    .mainNav>li>ul li {
        line-height: 20px;
        text-align: left;
    }

    .mainNav>li>ul li:hover {
        background: transparent;
    }

    .accountBox {
        margin-right: 25px;
    }

    .accountBox li a {
        padding: 5px 15px;
    }

    .openNav {
        position: relative;
        display: block;
        width: 25px;
        height: 16px;
        background-color: #4ac66d;
        border-top: white 7px solid;
        border-bottom: white 7px solid;
    }

    .openNav:before {
        content: '';
        position: absolute;
        top: -7px;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: #4ac66d;
        transform: rotate(0deg);
        transition: .3s;
    }

    .openNav:after {
        content: '';
        position: absolute;
        bottom: -7px;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: #4ac66d;
        transform: rotate(0deg);
        transition: .3s;
    }

    .openNav.active {
        position: relative;
        display: block;
        width: 25px;
        height: 16px;
        background-color: white;
        border-top: white 7px solid;
        border-bottom: white 7px solid;
    }

    .openNav.active:before {
        top: 0px;
        transform: rotate(45deg);
    }

    .openNav.active:after {
        bottom: 0px;
        transform: rotate(-45deg);
    }

    .bannerItem img {
        width: 100%;
    }

    .bannerItem img.MB {
        display: block;
    }

    .bannerItem img.PC {
        display: none;
    }



    .featureList {
        flex-wrap: wrap;
        padding: 0 25px;
        margin-bottom: -45px;
    }

    .featureList li {
        width: calc(100%/2 - 25px/2);
        margin-bottom: 45px;
    }

    .featureList li a.button {
        font-size: 14px;
    }

    /***inside***/

    .bookList {
        padding: 25px;
    }

    .optionTop {
        flex-direction: column;
    }

    .optionTop {
        gap: 16px
    }

    .searchBar {
        width: 100%;
        justify-content: space-between;
        gap: 0;
    }

    .searchBar input {
        width: calc(100% - 100px);
    }

    .searchBar button {
        width: 84px;
        padding: 10px 0;
    }

    .selectList {
        width: 100%;
    }

    .selectList select {
        flex: 1;
        margin: 0 5px;
    }

    .selectList select:first-child {
        margin-left: 0;
    }

    .selectList select:last-child {
        margin-right: 0;
    }

    .books {
        display: flex;
        flex-direction: row;
        padding: 15px 0;
        border-bottom: #e6e6e6 1px solid;
    }

    .book {
        flex: 1;
        width: auto;
        margin: 0 5px;
    }

    .book select:first-child {
        margin-left: 0;
    }

    .book select:last-child {
        margin-right: 0;
    }

    .subjects {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .subject {
        display: inline-block;
        padding: 7px 10px;
        font-size: 12px;
    }

    .subject+.subject {
        margin-left: 5px;
    }

    .files {
        display: flex;
        flex-direction: column;
        width: 100%;
        padding: 15px 0;
    }

    .file {
        display: flex;
        flex-direction: column;
    }

    .file:first-child {
        display: none;
    }

    .file:nth-child(2n)>* {
        background: #eee;
    }

    .file>* {
        display: flex;
    }

    .check,
    .name,
    .size,
    .option {
        width: 100%;
    }

    .option button {
        width: 100px;
        padding: 5px 25px;
        margin-bottom: 5px;
        border-radius: 25px;
        border: 0;
        color: white;
        background-color: #4ac66d;
    }

    .cellContent {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: auto;
        padding: 10px;
    }

    .cellContent input[type='checkbox'] {
        display: none;
    }

    .cellContent input[type='checkbox']+label {
        width: 15px;
        height: 15px;
        border: #e6e6e6 3px solid;
        border-radius: 10px;
        background: white;
    }

    .cellContent input[type='checkbox']:checked+label {
        background: #4ac66d;
    }

    .optionBottom {
        flex-direction: column-reverse;
        gap: 16px;
    }

    .mainTitle {
        font-size: 24px;
    }

    .featureList li a.button {
        font-weight: normal;
    }

    .featureList li>*+* {
        margin-top: 25px;
    }
}