* {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

a, input, button {
    outline: none;
    outline: 0;
}

img {
    display: block;
    image-rendering: -moz-crisp-edges; /* Firefox */
    image-rendering: -o-crisp-edges; /* Opera */
    image-rendering: -webkit-optimize-contrast; /* Webkit (non-standard naming) */
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor; /* IE (non-standard property) */
}

input, textarea {
    outline-style: none;
    -webkit-user-select: auto;
}

button {
    cursor: pointer;
}

iframe {
    width: 100%;
    height: 100%;
}

button.disabled {
    cursor: not-allowed;
}

body {
    font-family: PingFang SC, Microsoft Yahei, serif;
    font-size: 14px;
    color: #000;
    position: relative;
    min-width: 1280px;
}

.clearfix {
    *zoom: 1;
}

.clearfix:before, .clearfix:after {
    display: table;
    line-height: 0;
    content: "";
}

.clearfix:after {
    clear: both;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.group_btn {
    text-align: center;
}

.group_btn .icon {
    display: inline-block;
    margin-top: -2px;
}

.group_btn span {
    vertical-align: middle;
    display: inline-block;
    margin-top: -2px;
}

.body-warp {
    min-height: 1000px;
    margin: 0 auto;
}

.body-shadow {
    margin: -15px auto auto auto;
    box-shadow: 1px 1px 8px -1px rgba(0, 0, 0, 0.25);
    background: #ECEFF2;
    border-radius: 16px 16px 0 0;
}

/* 鍗犱綅绗 */
.placeholder-content {
    margin-top: 100px;
    text-align: center;
}

.placeholder-content .avatar {
    width: 100px;
    display: inline-block;
}

.placeholder-content .summary {
    color: #606978;
    margin-top: 36px;
}

.placeholder-content .summary p {
    margin-bottom: 6px;
}

.placeholder-content .btn {
    display: inline-block;
    background: #2196F3;
    width: 140px;
    height: 40px;
    line-height: 26px;
    color: #fff;
    text-align: center;
    border-radius: 3px;
    margin-top: 40px;
}

.placeholder-content .btn:hover {
    opacity: 0.8;
}

/* 椤堕儴 */
.top-header {
    width: 100%;
    height: 80px;
    background: #fff;
    padding-left: 20px;
}

.top-header .logo {
    height: 100%;
}

.top-header .logo img {
    height: 50px;
    margin-top: 15px;
}

.top-header .nav-list {
    margin-left: 34px;
}

.top-header .nav-list li {
    position: relative;
    float: left;
    font-size: 16px;
}

.top-header .nav-item a {
    color: #000;
    padding: 0 15px;
    display: block;
    line-height: 80px;
}

.top-header .nav-item .line {
    position: absolute;
    bottom: 0;
    left: 50%;
    background: #DE2425;
    height: 2px;
    width: 42px;
    margin-left: -21px;
    display: none;
}

.top-header .nav-item:hover a,
.top-header .nav-item.current a {
    color: #DE2425;
}

.top-header .nav-item:hover .line,
.top-header .nav-item.current .line {
    display: block;
}

.top-header .nav-list .search {
    position: relative;
    padding-left: 30px;
    margin-top: 20px;
}

.top-header .nav-list .search input {
    background: #F5F5F5;
    height: 40px;
    width: 170px;
    border-radius: 20px;
    padding-left: 20px;
    color: #444;
}

.top-header .nav-list .search button {
    position: absolute;
    right: 16px;
    top: 50%;
    height: 24px;
    width: 24px;
    margin-top: -12px;
    background: url("/assets/images/repository/search-icon.png") no-repeat;
    background-size: cover;
    cursor: pointer;
}

.top-header .nav-list .buy {
    margin-left: 30px;
    font-size: 14px;
    margin-top: 20px;
}

.top-header .nav-list .buy a {
    background: linear-gradient(90deg, #FDCD6B 0%, #C19760 100%);
    color: #fff;
    display: inline-block;
    border-radius: 20px;
    width: 120px;
    height: 40px;
    line-height: 40px;
    text-align: center;
}

.top-header .nav-list .buy a:hover {
    opacity: 0.9;
}

.top-header .nav-list .buy .icon {
    width: 18px;
    height: 18px;
    background: url("/assets/images/purchase/crown-white.png") no-repeat;
    background-size: cover;
}

.top-header .actions {
    height: 100%;
}

.top-header .actions .avatar {
    width: 140px;
    height: 100%;
    display: inline-block;
    padding-top: 16px;
    padding-right: 20px;
}

.top-header .actions .avatar img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.top-header .actions .dropdown-list {
    position: absolute;
    right: 5px;
    top: 80px;
    z-index: 999;
    width: 140px;
    background: #fff;
    border-radius: 0 0 6px 6px;
    border-left: 1px solid #eee;
    border-right: 1px solid #eee;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
    display: none;
}

.top-header .actions .dropdown-list li {
    height: 48px;
    line-height: 48px;
    text-align: center;
    font-size: 15px;
}

.top-header .actions .dropdown-list li.separate {
    height: 1px;
    background: #eee;
}

.top-header .actions .dropdown-list li a {
    display: block;
    height: 100%;
    width: 100%;
    color: #343A48;
}

.top-header .actions .dropdown-list li:hover {
    background: #eee;
}

.top-header .actions .login,
.top-header .actions .register {
    width: 70px;
    line-height: 80px;
    display: inline-block;
    text-align: center;
    font-size: 16px;
}

.top-header .actions .login {
    color: #DE2425;
}

.top-header .actions .register {
    background: #DE2425;
    color: #fff;
}

/* 闈㈠寘灞 */
.top-bread {
    background: #343A48;
    color: #fff;
    padding: 49px 20px 60px 20px;
}

.top-bread.banner_1 {
    background: url("/assets/images/bg-banner-1.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_2 {
    background: url("/assets/images/bg-banner-2.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_3 {
    background: url("/assets/images/bg-banner-3.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_4 {
    background: url("/assets/images/bg-banner-4.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_5 {
    background: url("/assets/images/bg-banner-5.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_6 {
    background: url("/assets/images/bg-banner-6.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_7 {
    background: url("/assets/images/bg-banner-7.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_8 {
    background: url("/assets/images/bg-banner-8.png") no-repeat;
    background-size: cover;
}

.top-bread.banner_9 {
    background: url("/assets/images/bg-banner-9.png") no-repeat;
    background-size: cover;
}

.top-bread ul {
    display: table;
}

.top-bread li {
    display: inline-block;
    margin-right: 6px;
}

.top-bread li a {
    color: #fff;
}

.top-bread li a:hover {
    color: #eee;
}

.top-bread .arrow {
    opacity: 0.8;
}

.top-bread .title {
    font-size: 36px;
    text-align: center;
    margin-top: 4px;
    opacity: 0.6;
}

/* 搴曢儴 */
.bottom-footer {
    background: #2E2E2E;
    width: auto;
    padding: 43px 20px 26px 20px;
}

.bottom-footer,
.bottom-footer a {
    color: #9FA5AE;
}

.bottom-footer a:hover {
    color: #E2E6EC;
}

.bottom-footer .brand-warp {
    margin-top: 27px;
    width: 400px;
}

.bottom-footer .brand-warp .logo {
    height: 50px;
}

.bottom-footer .brand-warp .about-list {
    margin-top: 50px;
}

.bottom-footer .brand-warp .about-list a {
    margin-right: 47px;
}

.bottom-footer .nav-warp {
    width: 460px;
}

.bottom-footer .nav-warp .title {
    color: #E2E6EC;
}

.bottom-footer .nav-warp ul {
    margin-top: 20px;
    width: 500px;
    font-size: 12px;
}

.bottom-footer .nav-warp li {
    float: left;
    width: 250px;
    margin-bottom: 10px;
}

.bottom-footer .qr-warp {
    width: 450px;
}

.bottom-footer .qr-warp li {
    display: inline-block;
    text-align: center;
    padding: 0 10px;
}

.bottom-footer .qr-warp img {
    width: 114px;
    height: 114px;
}

.bottom-footer .qr-warp p {
    margin-top: 14px;
}

.bottom-footer .copyright {
    font-size: 12px;
    text-align: center;
    margin-top: 41px;
}

.bottom-footer .copyright,
.bottom-footer .copyright a {
    color: #606978;
}

.bottom-footer .copyright a:hover {
    color: #9FA5AE;
}

/* 寮规 */
.pop-warp {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
}

.pop-box {
    position: fixed;
    left: 50%;
    top: 15%;
    width: 430px;
    margin-left: -215px;
    background: #fff;
    border-radius: 6px;
}

.pop-box .title-box {
    height: 68px;
    line-height: 68px;
    border-bottom: 1px solid #ddd;
}

.pop-box .title-box .icon {
    height: 24px;
    margin-top: 20px;
    margin-left: 30px;
    margin-right: -10px;
}

.pop-box .title-box .title {
    margin-left: 20px;
    color: #343A48;
    font-size: 20px;
    /*font-weight: 500;*/
}

.pop-box .title-box .btn {
    position: relative;
    width: 50px;
    height: 100%;
    margin-right: 4px;
    cursor: pointer;
}

.pop-box .title-box .btn img {
    position: absolute;
    top: 50%;
    left: 50%;
    height: 24px;
    width: 24px;
    margin-top: -12px;
    margin-left: -12px;
}

.pop-box .title-box .btn:hover {
    opacity: 0.8;
}

.pop-box .body-box {
    padding: 20px;
}

/* 鐧诲綍鎻愰啋 */
.pop-login-alert .pop-box {
    width: 620px;
    margin-left: -310px;
}

.pop-login-alert .summary-box {
    width: 400px;
}

.pop-login-alert .summary-box .title {
    color: #343A48;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
}

.pop-login-alert .summary-box ol {
    margin-top: 20px;
    color: #343A48;
    font-size: 15px;
}

.pop-login-alert .summary-box li {
    list-style: inside;
    margin-bottom: 7px;
    margin-left: 20px;
}

.pop-login-alert .summary-box .btn {
    background: #F35051;
    color: #fff;
    padding: 12px 18px;
    border-radius: 6px;
    margin: 30px auto;
    display: table;
}

.pop-login-alert .qr-box {
    width: 180px;
    text-align: center;
}

.pop-login-alert .qr-box .qr {
    width: 150px;
    height: 150px;
    object-fit: cover;
    display: inline-block;
}

.pop-login-alert .qr-box .summary1 {
    margin-top: 20px;
    color: #606978;
}

.pop-login-alert .qr-box .summary2 {
    margin-top: 5px;
    color: #597EF7;
}

/* 璐拱鎻愰啋 */
.pop-purchase-alert .pop-box {
    width: 620px;
    margin-left: -310px;
}

.pop-purchase-alert .summary-box {
    width: 400px;
}

.pop-purchase-alert .summary-box .title {
    color: #343A48;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
}

.pop-purchase-alert .summary-box .title .icon {
    width: 24px;
    height: 24px;
    background: url("/assets/images/purchase/crown-gold.png") no-repeat;
    background-size: contain;
}

.pop-purchase-alert .summary-box ol {
    margin-top: 20px;
    color: #343A48;
    font-size: 15px;
}

.pop-purchase-alert .summary-box li {
    list-style: inside;
    margin-bottom: 7px;
    margin-left: 20px;
}

.pop-purchase-alert .summary-box .btn {
    background: #F35051;
    color: #fff;
    padding: 12px 18px;
    border-radius: 6px;
    margin: 30px auto;
    display: table;
}

.pop-purchase-alert .qr-box {
    width: 180px;
    text-align: center;
}

.pop-purchase-alert .qr-box .qr {
    width: 150px;
    height: 150px;
    object-fit: cover;
    display: inline-block;
}

.pop-purchase-alert .qr-box .summary1 {
    margin-top: 20px;
    color: #606978;
}

.pop-purchase-alert .qr-box .summary2 {
    margin-top: 5px;
    color: #597EF7;
}

/* 璐拱寮规 */
.pop-purchase-box .pop-box {
    width: 900px;
    margin-left: -450px;
}

.pop-purchase-box .qr-box {
    margin-top: 40px;
    width: 520px;
}

.pop-purchase-box .qr-item {
    text-align: center;
    width: 250px;
}

.pop-purchase-box .qr-item .qr {
    width: 200px;
    height: 200px;
    object-fit: cover;
    display: inline-block;
    overflow: hidden;
}

.pop-purchase-box .qr-item .qr img {
    display: block;
    width: 100%;
    height: 100%;
}

.pop-purchase-box .qr-item .option-box {
    margin-top: 18px;
}

.pop-purchase-box .qr-item .option-box .title {
    vertical-align: middle;
    font-size: 16px;
}

.pop-purchase-box .qr-item.wechat .option-box .icon {
    width: 32px;
    height: 32px;
    background: url("/assets/images/purchase/wechat.png") no-repeat;
    background-size: cover;
}

.pop-purchase-box .qr-item.alipay .option-box .icon {
    width: 32px;
    height: 32px;
    background: url("/assets/images/purchase/alipay.png") no-repeat;
    background-size: cover;
}

.pop-purchase-box .or {
    height: 200px;
    width: 20px;
    line-height: 200px;
    font-size: 16px;
    color: #666;
    text-align: center;
}

.pop-purchase-box .summary-box {
    width: 340px;
}

.pop-purchase-box .summary-box .title {
    color: #343A48;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
}

.pop-purchase-box .summary-box ol {
    margin-top: 20px;
    color: #343A48;
    font-size: 15px;
}

.pop-purchase-box .summary-box li {
    list-style: inside;
    margin-bottom: 7px;
    margin-left: 20px;
    color: #343A48;
}

/* 渚ц竟鏍 */
.sidebar-warp {
    position: fixed;
    right: 0;
    top: 50%;
    width: 110px;
    margin-top: -250px;
    background: #fff;
    border-radius: 6px 0 0 6px;
    border: 1px solid #ddd;
    border-right: none;
}

.sidebar-warp li {
    position: relative;
}

.sidebar-warp li .dropdown {
    position: absolute;
    top: 0;
    right: 109px;
    padding: 10px;
    background: #fff;
    border: 1px solid #ddd;
    border-right: none;
    border-radius: 6px 0 0 6px;
    display: none;
    font-size: 16px;
    color: #343A48;
}

.sidebar-warp li:hover .dropdown {
    display: block;
}

.sidebar-warp .trial {
    text-align: center;
    margin-top: 15px;
    padding-bottom: 18px;
    margin-bottom: 2px;
    border-bottom: 1px solid #ddd;
}

.sidebar-warp .trial .icon {
    height: 44px;
    display: inline-block;
}

.sidebar-warp .trial .icon:hover {
    opacity: 0.8;
}

.sidebar-warp .trial .title {
    color: #343A48FF;
    margin-top: 5px;
}

.sidebar-warp .trial a:hover .title {
    color: #606978;
}

.sidebar-warp .general {
    height: 50px;
    line-height: 50px;
    text-align: center;
    cursor: default;
}

.sidebar-warp .general a {
    display: block;
    width: 100%;
    height: 100%;
}

.sidebar-warp .general .icon {
    height: 24px;
    display: inline-block;
    vertical-align: middle;
}

.sidebar-warp .general .title {
    color: #606978;
    vertical-align: middle;
}

.sidebar-warp .general.app .dropdown {
    top: -70px;
}

.sidebar-warp .general.app .dropdown .qr {
    width: 180px;
    height: 180px;
}

.sidebar-warp .general.phone .dropdown {
    top: -10px;
}

.sidebar-warp .general.phone .dropdown {
    width: 160px;
}

.sidebar-warp .general:hover .title {
    color: #343A48;
}

.sidebar-warp .pull {
    border-top: 1px solid #ddd;
    margin-top: 5px;
    margin-bottom: 10px;
    padding-top: 10px;
    text-align: center;
}

.sidebar-warp .pull .qr {
    height: 94px;
    display: inline-flex;
    margin-top: 10px;
}

.sidebar-warp .pull .summary {
    color: #606978;
    margin-top: 5px;
}

.sidebar-warp .pull .summary p {
    line-height: 1.6;
}

.sidebar-warp .pull .summary .red {
    color: #F35051;
}

/* 鍒嗛〉 */
.pagination-warp {
    text-align: center;
}

.pagination {
    display: inline-block;
    margin: 20px 0;
}

.pagination li {
    display: inline-block;
    background: #fff;
}

.pagination li a {
    display: block;
    padding: 5px 12px;
    margin-left: -1px;
    color: #5B5B5B;
    font-size: 14px;
    line-height: 1.5;
    border: 1px solid #ddd;
}

.pagination li a:hover,
.pagination li a:focus {
    background: #eee;
}

.pagination .first a {
    border-radius: 3px 0 0 3px;
}

.pagination .last a {
    border-radius: 0 3px 3px 0;
}

.pagination .disabled a,
.pagination .disabled a:hover,
.pagination .disabled a:focus {
    color: #888;
    cursor: not-allowed;
    background-color: #fff;
    border-color: #ddd;
}

.pagination .active a,
.pagination .active a:hover,
.pagination .active a:focus {
    background: #63A2EC;
    border-color: #63A2EC;
    color: #fff;
    cursor: default;
}

/* 璇剧▼闆嗗悎 */
.course-item .mask {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 6px;
    display: none;
}

.course-item .mask .mask-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    background: url("/assets/images/study/play-big.png") no-repeat;
    background-size: cover;
    height: 70px;
    width: 70px;
    margin-top: -35px;
    margin-left: -35px;
}

.course-item .mask .mask-icon:hover {
    opacity: 0.8;
}

.course-item .avatar-box:hover .mask {
    display: block;
}

.friend {
    width: auto;
    height: auto;
    max-width: 55%;
    max-height: 55%;
    margin: 0 auto;
}

.friend img {
    width: auto;
    height: auto;
    max-width: 100%;
}

.purchase {
    width: auto;
    height: auto;
    max-width: 55%;
    max-height: 55%;
    margin: 0 auto;
}

.purchase img {
    width: auto;
    height: auto;
    max-width: 100%;
}