*, html, body {
    padding: 0;
    margin: 0;
}

html {
    background: #F0F0F0;
}

a {
    text-decoration: none;
}

html, body, .sd-app {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
}

.sd-open-panel {
    padding: 20px;
    line-height: 30px;
    font-size: 14px;
    display: flex;
}

.sd-open-panel .sdicon {
    margin: 0 20px;
    color: red;
    font-size: 20px;
}

.sd-panel {
    width: 100%;
    display: table;
}

.sd-element-space {
    margin: 0 5px;
}

.sd-banner-image {
    width: 100%;
    height: 100%;
}

.sd-pager {
    width: 100%;
    text-align: center;
    padding-top: 10px;
    border-top: 1px solid #F0F0F0;
    position: relative;
}

.sd-paper-current {
    display: block;
    color: #666666;
    line-height: 40px;
}

.sd-pager-item {
    display: inline-block;
    vertical-align: top;
    padding: 10px 20px;
    margin-bottom: 5px;
    border-radius: 5px;
    background: #4288ce;
}

.sd-pager-item-disable {
    color: #FFFFFF;
    background: #D0D0D0;
}

.sd-pager-item-active {
    color: #FFFFFF;
    background: #3555CC;
}

.sd-pager-item a {
    color: #FFFFFF !important;
}

.sd-base-span {
    color: #000000;
    font-weight: bold;
}

.sd-question-header {
    width: 100%;
    background: white;
}

.sd-question-header .sd-header-panel {
    padding: 10px calc((100% - 1200px) / 2);
    display: table;
    position: relative;
}

.sd-header-panel-left,
.sd-header-panel-right {
    display: inline-block;
    vertical-align: top;
    margin: 0;
    padding: 0 10px;
    box-sizing: border-box;
}

.sd-header-panel-left {
    width: 800px;
    text-align: left;
}

.sd-show-mobile-nav {
    display: none;
    position: absolute;
    top: 15px;
    left: 10px;
    font-size: 26px;
}

.sd-header-panel-right {
    width: 400px;
    text-align: right;
}

.sd-header-panel-right .sdicon {
    font-weight: bold;
    font-size: 20px;
}

.sd-question-header a {
    color: black;
}

.sd-question-header-logo,
.sd-question-header-nav,
.sd-question-header-user {
    display: inline-block;
    vertical-align: top;
    line-height: 40px;
}

.sd-question-header-user-panel {
    display: flex;
}

.sd-question-header-user-more {
    text-align: left;
    line-height: 30px;
    position: absolute;
    top: 60px;
    right: calc((100% - 1200px) / 2);
    width: 140px;
    background: white;
    z-index: 1;
    display: none;
}

.sd-question-header-user-more-item {
    padding: 5px 20px;
    border-top: 1px solid #E0E0E0;
}

.sd-question-header-user-panel .sd-icon-delta-down {
    font-size: 12px;
    margin: 0 5px;
}

.sd-question-header-user-panel .sd-icon-wode {
    font-size: 20px;
    margin: 0 5px;
}

.sd-question-header-logo {
    height: 40px;
    max-width: 50%;
    margin-right: 20px;
}

.sd-question-header-nav {
    font-size: 15px;
}

.sd-question-header-logo .sd-image {
    width: 100%;
    height: 100%;
}

.sd-question-header-nav-item {
    display: inline-block;
    vertical-align: top;
    max-width: 120px;
    margin: 0 20px;
}

.sd-question-banner {
    /*width: 100%;*/
    width: 1200px;
    margin-left: calc((100% - 1200px) / 2);
    height: 61.8vw;
    max-height: 500px;
    overflow: hidden;
}

.sd-question-banner-item {
    width: 100%;
    height: 100%;
    display: none;
}

.sd-question-banner-item.sd-banner-active {
    display: block;
}

.sd-question-banner-img {
    width: 100%;
    height: 100%;
}

.sd-content {
    width: 100%;
}

.sd-question-content {
    display: table;
    line-height: 40px;
    padding: 0 20px;
    box-sizing: border-box;
}

.sd-question-content .sd-panel-left,
.sd-question-content .sd-panel-right {
    box-sizing: border-box;
}

.sd-disabled {
     color: #ccc;
     cursor: not-allowed;
 }

.sd-question-problem-pre-next {
    padding: 5px 10px;
    margin: 5px 20px;
}

.sd-content a {
    color: #FFFFFF;
}

.sd-content-panel {
    padding: 10px calc((100% - 1200px) / 2);
    width: 100%;
    box-sizing: border-box;
    display: table;
}

.sd-content-left,
.sd-content-right {
    display: inline-block;
    vertical-align: top;
    box-sizing: border-box;
}

.sd-content-left {
    width: 900px;
    padding-right: 5px;
}

.sd-content-right {
    width: 300px;
    padding-left: 5px;
}

.sd-card {
    width: 100%;
    margin-bottom: 10px;
    border-radius: 5px;
    background: #FFFFFF;
    box-sizing: border-box;
    position: relative;
}

.sd-card-title {
    color: #4288ce;
    width: 100%;
    border-bottom: 1px solid #F0F0F0;
    display: flex;
    line-height: 40px;
    box-sizing: border-box;
}

.sd-card-title span {
    vertical-align: top;
    margin-right: 5px;
}

.sd-card-title .sdicon {
    font-size: 20px;
}

.sd-card-title-left,
.sd-card-title-right {
    display: inline-block;
    vertical-align: top;
}

.sd-card-title-left {
    width: calc(100% - 60px);
}

.sd-card-title-right {
    width: 60px;
    text-align: right;
    padding-right: 5px;
    box-sizing: border-box;
    color: #C4CFDB;
    font-size: 12px;
}

.sd-card-title-right a {
    color: #C4CFDB;
}

.sd-card-content {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    display: table;
}

.sd-question-item {
    margin-bottom: 10px;
    width: 100%;
    display: table;
    padding: 5px;
    box-sizing: border-box;
    color: #34495e;
    border-radius: 5px;
    background: rgba(136, 136, 136, 0.05);
}

.sd-question-item:hover {
    color: #505050;
    background: rgba(136, 136, 136, 0.3);
}

.sd-question-item-icon,
.sd-question-item-title {
    display: inline-block;
    vertical-align: middle;
}

.sd-question-item-icon {
    width: 30px;
    height: 30px;
    line-height: 30px;
    background: #FFFFFF;
    margin-right: 15px;
    font-size: 20px;
    text-align: center;
}

.sd-question-item-title {
    width: calc(100% - 45px);
    height: 40px;
    font-size: 12px;
    line-height: 20px;
    letter-spacing: 1px;
}

.sd-question-title {
    display: -webkit-box;
    text-overflow: ellipsis;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.sd-inline-item {
    display: inline-block;
    vertical-align: top;
}

.sd-question-type-item {
    width: calc(100% / 5 - 4px);
    margin: 2px 1px 2px 1px;
    padding: 10px 20px;
    line-height: 40px;
    background: #0066CC;
    border-radius: 5px;
    text-align: center;
    box-sizing: border-box;
}

.sd-question-type-item:hover {
    color: #C0C0C0;
}

.sd-question-problem-item {
    width: calc(100% / 3 - 4px);
    text-align: center;
    box-sizing: border-box;
    font-size: 13px;
    line-height: 16px;
    color: #C4CFDB !important;
    padding: 10px 0;
}

.sd-question-problem-operate {
    width: calc(100% / 2);
    text-align: center;
    padding: 0 20px;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 30px;
    color: #666666;
}

.sd-question-problem-operate-panel {
    color: #666666;
    background-color: #FFFFFF;
    border: 0.05rem solid #E5E9EE;
    display: flex;
    width: 100%;
    vertical-align: middle;
    justify-content: center;
    border-radius: 15px;
}

.sd-question-problem-operate .sdicon {
    font-size: 20px;
    margin-right: 5px;
    font-weight: bold;
}

.sd-inline-item .sd-question-type-name {
    line-height: 20px;
    font-size: 16px;
    margin-bottom: 10px;
}

.sd-inline-item .sd-question-type-name:hover {
     color: #C0C0C0;
 }

.sd-question-type-item-name .sdicon {
    font-size: 20px;
}

.sd-inline-item .sd-question-type-number {
    line-height: 20px;
    font-size: 12px;
    color: #33CCFF;
}

.sd-content-line {
    display: table;
    width: 100%;
    box-sizing: border-box;
}

.sd-content-line-inline {
    display: inline-block;
    vertical-align: top;
    padding: 0 10px;
    box-sizing: border-box;
    background: white;
    border-radius: 5px;
    margin-bottom: 10px;
}

.sd-content-line-inline-left,
.sd-content-line-inline-right {
    width: calc(100% / 2 - 5px);
}

.sd-content-line-inline-left {
    margin-right: 5px;
}

.sd-content-line-inline-right {
    margin-left: 5px;
}

.sd-line-padding-left-right {
    padding: 10px 0;
}

.sd-line-padding-left-right {
    padding: 0 10px;
}

.sd-question-content a {
    color: #6b7075;
}

.sd-card-ul-list {
    line-height: 25px;
    padding-bottom: 5px;
    display: block;
}

.sd-card-ul-item a {
    font-size: 12px;
    color: #34495e;
}

.sd-card-ul-item a:before {
    content: "▪";
    color: #3555CC;
    display: inline-block;
    margin-right: 6px;
}

.sd-card-ul-item {
    height: 25px;
    width: 100%;
    line-height: 20px;
    color: #34495e;
    display: block;
    margin: 0.25rem 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sd-item-null,
.sd-not-login {
    width: 100%;
    height: 200px;
    padding-top: 20px;
    color: #C4CFDB;
    box-sizing: border-box;
}

.sd-not-login .sd-not-login-icon,
.sd-not-login .sd-not-login-value,
.sd-item-null .sd-item-null-icon,
.sd-item-null .sd-item-null-value {
    width: 100%;
    text-align: center;
}

.sd-not-login .sdicon,
.sd-item-null-icon .sdicon {
    font-size: 108px;
    line-height: 110px;
}

.sd-not-login .sd-not-login-value,
.sd-item-null .sd-item-null-value {
    font-size: 14px;
}

.sd-question-problem-panel {
    font-size: 13px;
    color: #333;
    line-height: 20px;
}

.sd-question-problem-title {
    padding: 10px;
    margin: 5px 0;
}

.sd-question-problem-options {
    padding: 10px 20px;
}

.sd-problem-choice {
    padding: 5px;
    border: 1px solid #eee;
    margin: 0 0 10px 0;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
}

.sd-problem-choice:hover {
    border-color: #3555CC;
    background: #f8f8f8;
    color: #3555CC;
}

.sd-question-notice-info {
    background: #4288ce;
    padding: 20px 0;
    border-top: 1px solid #F0F0F0;
    border-bottom: 1px solid #F0F0F0;
    color: #FFFFFF;
}

.sd-notice-panel {
    background: #4288ce;
}

.sd-notice-title {
    font-size: 38px;
    font-weight: bold;
    line-height: 56px;
}

.sd-notice-description {
    font-size: 16px;
    line-height: 36px;
}

.sd-notice-item {
    font-size: 0;
    position: relative;
    padding-bottom: 10px;
    border-bottom: 1px solid #F0F0F0;
    margin-bottom: 5px;
    box-sizing: border-box;
}

.sd-notice-categrop-item {
    width: 100%;
    line-height: 30px;
    font-size: 14px;
    color: #000000;
    display: table;
    padding: 5px 0;
    border-bottom: 1px solid #F0F0F0;
}

.sd-notice-categrop-item:last-child {
    border: none;
}

.sd-notice-categrop-item a {
    color: #333;
}

.sd-panel-left,
.sd-panel-right {
    display: inline-block;
    vertical-align: middle;
    width: 50%;
}

.sd-panel-right {
    text-align: right;
}

.sd-notice-item-banner,
.sd-notice-item-info {
    display: inline-block;
    vertical-align: top;
    overflow: hidden;
    box-sizing: border-box;
}

.sd-notice-item-banner {
    border: 1px solid #F0F0F0;
    width: 180px;
    height: 111px;
    color: #6b7075;
    margin-right: 20px;
    box-sizing: border-box;
}

.sd-notice-item-info {
    width: calc(100% - 200px);
    height: 111px;
    position: relative;
}

.sd-notice-item-info .sd-notice-info-title {
    font-size: 18px;
    color: #34495e;
    line-height: 40px;
    letter-spacing: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sd-notice-info-title a {
    color: #34495e;
}

.sd-notice-item-info .sd-notice-info-description {
    color: #6b7075;
    font-size: 12px;
    line-height: 20px;
    letter-spacing: 1px;
    text-indent: 1rem;
    word-break: break-all;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2; /* 超出几行省略 */
    overflow: hidden;
}

.sd-notice-item-info .sd-notice-info-categrop {
    position: absolute;
    bottom: 0;
    left: 0;
    font-size: 12px;
    color: #6b7075;
    border: 1px solid #A0A0A0;
    padding: 2px 5px;
    border-radius: 5px;
}

.sd-notice-item-info .sd-notice-info-publish {
    position: absolute;
    bottom: 0;
    right: 0;
    font-size: 12px;
    color: #6b7075;
}

.sd-question-notice-title {
    line-height: 56px;
    font-family: "微软雅黑", "宋体", serif;
    font-size: 38px;
    text-align: center;
    font-weight: normal;
}

.sd-question-notice-more {
    line-height: 30px;
    font-size: 14px;
    text-align: center;
    font-weight: normal;
}

.sd-regular-text {
    font-weight: bold;
    margin-right: 5px;
}

.sd-regular-time {
    /*color: #A0A0A0;*/
}

.sd-question-notice-more .sd-question-notice-more-item {
    margin-right: 10px;
}

.sd-notice-content-panel {
    background: #FFFFFF;
    padding: 10px;
    border-radius: 5px;
    font-size: 13px;
    line-height: 20px;
    margin-bottom: 10px;
}

.sd-question-notice-datetime {
    line-height: 22px;
    padding-left: 10px;
    margin-bottom: 10px;
}

.sd-notice-value {
    line-height: 30px;
    text-indent: 2rem;
    letter-spacing: 1px;
    padding: 5px 10px 10px 10px;
}

.sd-notice-edit {
    line-height: 30px;
    text-align: right;
    margin-top: 10px;
    padding-top: 10px;
    padding-right: 10px;
    border-top: 1px solid #F0F0F0;
}

.sd-question-menu-list {
    font-size: 14px;
    line-height: 40px;
}

.sd-question-menu-list a {
    color: #6b7075;
}

.sd-question-menu-list span {
    margin: 0 5px;
}

.sd-question-menu-item {
    display: inline-block;
    vertical-align: top;
}

#sd-question-categorize-parent span {
    color: #4288ce;
}

.sd-question-categorize {
    display: inline-block;
    margin: 5px;
    padding: 10px 20px;
    font-size: 14px;
    line-height: 24px;
    color: #FFFFFF;
    background: #400000;
    border-radius: 5px;
}

.sd-question-categorize-cover-panel {
    width: 100%;
    height: 120px;
    font-size: 0;
    border-radius: 5px;
    background-image: url("../images/bg.jpg");
    background-size: 100% 100%;
}

.sd-question-categorize-cover-panel .sd-question-categorize-info {
    color: #FFFFFF;
    top: calc((100% - 90px) / 2);
    left: 20px;
    position: absolute;
}

.sd-question-categorize-info-title {
    font-size: 28px;
    line-height: 60px;
    font-weight: bold;
}

.sd-question-categorize-info-title .sdicon {
    margin-right: 10px;
}

.sd-question-categorize-info-number {
    font-size: 12px;
    line-height: 30px;
    padding-left: 5px;
}

.sd-question-categorize-cover {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.sd-pull-img {
    display: block;
    width: 100%;
    height: 100%;
}

.sd-question-categorize-cover.sd-card-content {
    padding: 0;
    margin: 0;
}

.sd-user-login-panel {
    padding: 36px;
    background: #FFFFFF;
    border-radius: 5px;
    overflow: hidden;
    font-size: 0;
    box-shadow: 0 0 20px 0 rgba(175, 187, 204, 0.15);
    margin-bottom: 60px;
}

.sd-user-login-left,
.sd-user-login-right {
    display: inline-block;
    vertical-align: top;
}

.sd-user-login-left {
    width: 70%;
}

.sd-user-login-content {
    width: 100%;
    font-size: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.sd-user-login-content .sdicon {
    font-size: 26px;
    font-weight: bold;
}

.sd-user-login-content-item {
    width: 80%;
    text-align: center;
    margin-bottom: 30px;
}

.sd-user-login-content-item .sd-banner-image {
    max-width: 240px;
}

.sd-user-login-right {
    width: 30%;
}

.sd-user-login-scan {
    margin: 10px auto;
    width: 220px;
    height: 220px;
    overflow: hidden;
    border: 1px solid #A0A0A0;
    border-radius: 10px;
    box-sizing: border-box;
}

.sd-login-line {
    width: 100%;
    line-height: 48px;
    margin-bottom: 24px;
    box-sizing: border-box;
    border-radius: 24px;
    font-size: 14px;
    color: #181E33;
    padding: 0;
    position: relative;
}

.sd-login-line .sdicon {
    position: absolute;
    top: 0;
    left: 17px;
    font-size: 20px;
}

.sd-login-submit-btn {
    width: 100%;
    height: 48px;
    background: #4288ce;
    background-size: cover;
    box-shadow: 0 3px 12px 0 rgba(39, 125, 255, 0.3);
    border-radius: 24px;
    font-size: 18px;
    color: #ffffff;
    outline: none;
    cursor: pointer;
    border: none;
}

.sd-login-line input {
    width: 100%;
    height: 48px;
    vertical-align: top;
    background: #FFFFFF;
    border: 1px solid #d4d6d9;
    outline: none;
    font-size: 14px;
    color: #181E33;
    -webkit-border-radius: 24px;
    border-radius: 24px;
    padding: 0 24px 0 54px;
    box-sizing: border-box;
}

.sd-chapter-list-item {
    border-bottom: 1px solid rgba(243, 244, 246);
}

.sd-chapter-list-item-icon,
.sd-chapter-list-item-content,
.sd-chapter-list-item-operate {
    display: inline-block;
    vertical-align: top;
}

.sd-chapter-list-item-icon {
    font-size: 56px;
}

.sd-chapter-info-title {
    font-size: 16px;
    line-height: 40px;
}

.sd-links {
    width: 100%;
    box-sizing: border-box;
}

.sd-link-item {
    display: inline-block;
    margin: 10px 20px 10px 0;
    box-sizing: border-box;
    border: #F0F0F0 1px solid;
    border-radius: 5px;
    vertical-align: top;
    width: calc(100% / 5 - 20px);
    height: calc(100vw / 20);
    background: rgba(136, 136, 136, 0.3);
}

.sd-link-item:hover {
    transform: scale(1.1);
}

.sd-link-logo {
    width: 100%;
    height: 100%;
}

.sd-link-logo-null {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 24px;
    letter-spacing: 0.2rem;
}

.sd-footer {
    width: 100%;
    background: #1b1c20;
    color: #FFFFFF;
    box-sizing: border-box;
}

.sd-footer a {
    color: #C1C1C1;
}

.sd-footer-panel {
    padding: 10px calc((100% - 1200px) / 2);
    display: table;
    width: 100%;
    box-sizing: border-box;
}

.sd-footer-item {
    width: calc(100% / 4);
}

.sd-footer-card {
    margin-top: 10px;
}

.sd-footer-card-title {
    font-size: 16px;
    color: #eee;
    margin-top: 0;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.sd-footer-card-content div {
    margin-bottom: 20px;
    font-size: 14px;
    padding-left: 10px;
    box-sizing: border-box;
    color: #c1c1c1;
}

.sd-copyright {
    background: #212121;
    border-top: 1px solid #444;
    text-align: center;
    padding: 20px 0;
    line-height: 30px;
    color: #c1c1c1;
    font-size: 14px;
}

.sd-copyright a {
    color: #c1c1c1;
}