/* index样式 */
  body {
    background: linear-gradient(180deg, #f0f4f8 0%, #e8f0f7 100%);
    min-height: 100vh;
}
.m_wid{
    width: 1280px;
    margin:0 auto;
}
.navShow__link {
    margin-bottom: 10px;
}

.navShow__a {
    display: inline-block;
    padding: 7px 1px 7px 0;
    box-sizing: border-box;
    font-size: 19px;
    font-weight: bold;
    color: #1729D9;
    transition: all 0.5s;
}

.navShow__list {
    margin-bottom: 20px;
}

.navShow__item {
    display: inline-block;
    margin-right: 30px;
    text-align: left;
    margin-bottom: 9px;
    font-size: 14px;
    transition: all 0.3s;
    line-height: 40px;
}

.navShow__item:hover {
    transform: translateY(-2px);
}

.navShow__item:hover a {
    color: #0d47a1;
    font-weight: 600;
}

.navShow__item--hot a {
    color: #1729D9;
    font-weight: 700;
}

.navShow__item--hot::after {
    display: inline-block;
    content: "";
    width: 10px;
    height: 12px;
    background: url("/static/image/icon01.png");
    margin-bottom: 5px;
}

.navShow {
    display: none;
    position: absolute;
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    top: 0;
    left: 281px;
    width: 916px;
    height: 520px;
    padding: 40px 0 40px 40px;
    box-shadow: 0 15px 50px rgba(21, 101, 192, 0.15);
    border-radius: 0 0 15px 15px;
    border: 2px solid rgba(21, 101, 192, 0.1);
    border-top: 4px solid #1729D9;
}

.navShow {
    overflow: auto;
}

.header1 {
    position: relative;
    height: 520px;
}

.iWrap {
    width: 1200px;
    margin: 0 auto;
}

.nav {
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -640px;
    z-index: 3;
    width: 282px;
    height: 520px;
    background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
    padding: 10px 0 0;
    border-radius: 0 0 15px 0;
    box-shadow: 4px 0 25px rgba(21, 101, 192, 0.12);
    border-right: 4px solid #1729D9;
}

.nav::-webkit-scrollbar {
    display: none;
}

.nav__item {
    padding: 9px 0 10px 25px;
    /*padding: 9px 0 10px 20px;*/
    border-left: 3px solid transparent;
}

.nav__item:hover {
    background: linear-gradient(90deg, rgba(21, 101, 192, 0.12) 0%, rgba(21, 101, 192, 0.06) 100%);
    border-left: 4px solid #1729D9;
    transform: translateX(5px);
}

.nav__item:hover .navShow {
    display: block;
}

.navCategory {
    font-weight: bold;
    color: #000;
    /*font-size: 16px;*/
    font-size: 20px;
    margin: 0 0 10px;

}

.navCategory__list {
    /*height:28px;*/
    /*20211111*/
    max-height: 105px;
    /*20230506*/
    overflow: hidden;
}

.navCategory__list:after {
    content: '';
    display: block;
    clear: both;
}

.navExam {
    float: left;
}

.navExam a {
    /*font-size: 14px;*/
    font-size: 16px;
    color: #8e8c8c;
    display: block;
    margin: 7px 16px 7px 0;
}

.navExam:hover a {
    color: #0d47a1;
    font-weight: 600;
    transform: translateX(5px);
}

/* 大气蓝色Banner设计 */
.banner {
    max-width: 1920px;
    min-width: 1200px;
    margin: 0 auto;
    height: 520px;
    border-radius: 0 0 20px 20px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(21, 101, 192, 0.15);
    position: relative;
    background: linear-gradient(135deg, #1729D9 0%, #0277bd 100%);
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

.banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}

/*.bannerSlick:hover .bannerArrow--next,
.bannerSlick:hover .bannerArrow--prev */
.bannerSlick .bannerArrow--next,
.bannerSlick .bannerArrow--prev {
    opacity: 1;
}

.bannerItem {
    display: inline-block;
    *display: inline;
    *zoom: 1;
    width: 100%;
    height: 520px;
    margin: 0 auto;
    margin-top: -2px;
}

.bannerArrow--next,
.bannerArrow--prev {
    font-size: 18px;
    position: absolute;
    top: 50%;
    z-index: 10;
    color: #fff;
    -webkit-transition: all ease 0.4s;
    transition: all ease 0.4s;
    opacity: 0.8;
    cursor: pointer;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    line-height: 56px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.bannerArrow--next:hover,
.bannerArrow--prev:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.15);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    opacity: 1;
}

.bannerArrow--prev {
    background: rgba(255, 255, 255, 0.2);
}

.bannerArrow--prev:hover {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.bannerArrow--prev {
    left: 50%;
    margin-left: -305px;
    -webkit-transform: translateY(-50%) scale(-1, 1);
    -ms-transform: translateY(-50%) scale(-1, 1);
    transform: translateY(-50%) scale(-1, 1);
}

.bannerArrow--next {
    right: 50%;
    margin-right: -560px;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}

.bannerDots {
    position: absolute;
    bottom: 20px;
    left: 58%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    font-size: 0;
}

.bannerDots li {
    width: 8px;
    height: 8px;
    display: inline-block;
    margin: 5px;
    border-radius: 20px;
    position: relative;
    display: inline-block;
    /* width: 20px; */
    /* height: 20px; */
    margin: 0 5px;
    padding: 0;
    cursor: pointer;
}

.bannerDots button {
    outline: 0;
    border: 0;
    display: block;
    width: 8px;
    height: 8px;
    background: hsla(0, 0%, 100%, .7);
    font-size: 0;
    border-radius: 10px;
    margin: 0;
    margin-left: 5px;
    margin-right: 5px;
    font-size: 0;
    line-height: 0;
    display: block;
    /* width: 20px; */
    /* height: 20px; */
    padding: 5px;
    cursor: pointer;
    color: transparent;
    border: 0;
    outline: none;
}

.bannerDots .slick-active {
    width: 25px;
    height: 7px;
}

.bannerDots .slick-active button {
    background: linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    width: 25px;
    height: 7px;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.5);
}



/* 大气蓝色公告框样式 */
.gonggao_box {
    max-width: 1280px;
    margin: 30px auto;
    padding: 28px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 24px;
    box-shadow: 0 8px 30px rgba(21, 101, 192, 0.12);
    display: flex;
    gap: 24px;
    align-items: center;
    border: 2px solid rgba(21, 101, 192, 0.1);
    position: relative;
    overflow: hidden;
}

.gonggao_box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1729D9 0%, #0277bd 100%);
}

.gonggao_box .color_box {
    flex: 1;
    display: flex;
    gap: 12px;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.gonggao_box .color_box li {
    display: flex !important;
    align-items: center;
    gap: 14px;
    background: #ffffff !important;
    padding: 16px 20px !important;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex: 1;
    min-width: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    list-style: none !important;
    margin: 0 !important;
}

.gonggao_box .color_box li:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(21, 101, 192, 0.2);
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    border-color: rgba(21, 101, 192, 0.2);
}

.gonggao_box .color_box li .icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.gonggao_box .color_box li .icon .icon-text {
    font-size: 32px !important;
    line-height: 1;
    position: relative;
    z-index: 1;
    display: block !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    color: inherit !important;
}

/* 不同卡片的图标颜色 */
.gonggao_box .color_box li:nth-child(1) .icon .icon-text {
    filter: drop-shadow(0 2px 6px rgba(76, 175, 80, 0.3));
}

.gonggao_box .color_box li:nth-child(2) .icon .icon-text {
    filter: drop-shadow(0 2px 6px rgba(255, 152, 0, 0.3));
}

.gonggao_box .color_box li:nth-child(3) .icon .icon-text {
    filter: drop-shadow(0 2px 6px rgba(156, 39, 176, 0.3));
}

.gonggao_box .color_box li:nth-child(4) .icon .icon-text {
    filter: drop-shadow(0 2px 6px rgba(63, 81, 181, 0.3));
}

.gonggao_box .color_box li:nth-child(5) .icon .icon-text {
    filter: drop-shadow(0 2px 6px rgba(255, 87, 34, 0.3));
}

.gonggao_box .color_box li:nth-child(6) .icon .icon-text {
    filter: drop-shadow(0 2px 6px rgba(3, 169, 244, 0.3));
}

.gonggao_box .color_box li:hover .icon .icon-text {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.gonggao_box .color_box li .text {
    flex: 1;
    min-width: 0;
}

.gonggao_box .color_box li .text {
    display: flex !important;
    align-items: center;
}

.gonggao_box .color_box li .text .title {
    display: block !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #333333 !important;
    line-height: 1.5;
    transition: color 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
}

.gonggao_box .color_box li:hover .text .title {
    color: #1729D9;
}

.gonggao_box .color_box li .text .desc {
    display: none;
}

.gonggao {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 15px;
}

.gonggao i {
    font-style: normal;
    font-size: 18px;
    font-weight: 600;
    color: #1729D9;
    white-space: nowrap;
    background: rgba(21, 101, 192, 0.1);
    padding: 8px 15px;
    border-radius: 20px;
    border: 2px solid rgba(21, 101, 192, 0.2);
}

.gonggao .ggbd {
    flex: 1;
    overflow: hidden;
}

.gonggao .ggbd ul li {
    line-height: 40px;
}

.gonggao .ggbd ul li a {
    color: #333;
    transition: color 0.3s ease;
}

.gonggao .ggbd ul li a:hover {
    color: #1729D9;
    font-weight: 600;
}

/* 大气蓝色内容区域 */
.allbox {
    background: linear-gradient(180deg, #f0f4f8 0%, #e8f0f7 100%);
    padding: 50px 0;
    position: relative;
}

.allbox::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(21, 101, 192, 0.2) 50%, transparent 100%);
}

.top_box {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.top_box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.top_title {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #e0e0e0;
    position: relative;
}

.top_title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #1729D9 0%, #0277bd 100%);
    border-radius: 2px;
}

.top_title strong {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(90deg, #1729D9 0%, #0277bd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 现代化卡片样式 */
.leftimg li {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.leftimg li:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(30, 136, 229, 0.3);
}

.leftimg li .bg {
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.9) 0%, rgba(13, 71, 161, 0.9) 100%);
}

.tabbox {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.tongguan {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    margin: 40px auto;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.tg_tt {
    color: #1e88e5;
    font-weight: 700;
}

.tg_cont img {
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.tg_cont img:hover {
    transform: scale(1.02);
}

/* ============================================
   全新现代化内容布局样式
   ============================================ */

.content_grid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
}

.content_grid.m_wid {
    max-width: 1280px !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
}

/* 区块标题 */
.section_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(0, 0, 0, 0.06);
}

.section_title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin: 0;
}

.title_icon {
    font-size: 28px;
    line-height: 1;
}

.title_text {
    background: linear-gradient(90deg, #1729D9 0%, #0277bd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.more_link {
    font-size: 14px;
    color: #1729D9;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 8px 18px;
    border-radius: 20px;
    background: rgba(21, 101, 192, 0.1);
    font-weight: 500;
    border: 1px solid rgba(21, 101, 192, 0.2);
}

.more_link:hover {
    color: #ffffff;
    background: linear-gradient(135deg, #1729D9 0%, #0d47a1 100%);
    transform: translateX(3px);
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}

/* 精品课程区域 */
.course_section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 24px;
    padding: 36px;
    margin-bottom: 30px;
    box-shadow: 0 8px 30px rgba(21, 101, 192, 0.1);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    border: 1px solid rgba(21, 101, 192, 0.08);
    position: relative;
}

.course_section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1729D9 0%, #0277bd 100%);
}

.course_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    width: 100%;
    box-sizing: border-box;
}

.course_card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.course_card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(21, 101, 192, 0.25);
    border-color: rgba(21, 101, 192, 0.2);
}

.course_link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.course_image_wrap {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.course_image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course_card:hover .course_image {
    transform: scale(1.1);
}

.course_overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.course_card:hover .course_overlay {
    opacity: 1;
}

.view_btn {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 24px;
    background: linear-gradient(135deg, #1729D9 0%, #0d47a1 100%);
    border-radius: 24px;
    transform: translateY(10px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}

.view_btn:hover {
    background: linear-gradient(135deg, #0d47a1 0%, #0277bd 100%);
    box-shadow: 0 6px 18px rgba(21, 101, 192, 0.4);
}

.course_card:hover .view_btn {
    transform: translateY(0);
}

.course_info {
    padding: 20px;
}

.course_name {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 0 0 12px 0;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.course_card:hover .course_name {
    color: #1729D9;
}

.course_badge {
    display: inline-block;
    font-size: 12px;
    padding: 5px 14px;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.12) 0%, rgba(13, 71, 161, 0.12) 100%);
    color: #1729D9;
    border-radius: 12px;
    font-weight: 600;
    border: 1px solid rgba(21, 101, 192, 0.2);
}

/* 双栏布局 */
.content_two_col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
    width: 100%;
    box-sizing: border-box;
    align-items: stretch;
}

@media (max-width: 1200px) {
    .content_two_col {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
}

/* 热门推荐区域 */
.hot_section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 8px 30px rgba(21, 101, 192, 0.1);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(21, 101, 192, 0.08);
    position: relative;
}

.hot_section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1729D9 0%, #0277bd 100%);
}

.hot_list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.hot_item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.02);
}

.hot_item:hover {
    background: rgba(21, 101, 192, 0.08);
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.1);
}

.hot_number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 700;
}

.num_top {
    background: linear-gradient(135deg, #1729D9 0%, #0d47a1 100%);
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}

.num_normal {
    background: rgba(0, 0, 0, 0.06);
    color: #666;
    font-size: 14px;
}

.hot_content {
    flex: 1;
    min-width: 0;
}

.hot_title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
}

.hot_title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.hot_title a:hover {
    color: #1729D9;
}

.hot_meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.hot_tag {
    padding: 3px 10px;
    background: rgba(21, 101, 192, 0.12);
    color: #1729D9;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(21, 101, 192, 0.2);
}

.hot_time {
    color: #999;
}

/* 今日头条区域 */
.news_section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 8px 30px rgba(21, 101, 192, 0.1);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(21, 101, 192, 0.08);
    position: relative;
}

.news_section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1729D9 0%, #0277bd 100%);
}

.news_list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
}

.news_item {
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
    opacity: 0.6;
    transform: scale(0.95);
}

.news_item.active {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 8px 24px rgba(21, 101, 192, 0.2);
}

.news_item {
    flex: 1;
}

.news_link {
    display: flex;
    gap: 16px;
    text-decoration: none;
    color: inherit;
    padding: 16px;
    border-radius: 16px;
    background: rgba(0, 0, 0, 0.02);
    transition: all 0.3s ease;
}

.news_item.active .news_link {
    background: rgba(21, 101, 192, 0.08);
    border: 1px solid rgba(21, 101, 192, 0.15);
}

.news_image_wrap {
    position: relative;
    width: 120px;
    height: 90px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.news_image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news_item:hover .news_image {
    transform: scale(1.1);
}

.news_badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 5px 12px;
    background: linear-gradient(135deg, #1729D9 0%, #0d47a1 100%);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(21, 101, 192, 0.4);
}

.news_content {
    flex: 1;
    min-width: 0;
}

.news_title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px 0;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.news_item:hover .news_title {
    color: #1729D9;
}

.news_desc {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news_footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.news_tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.news_tag {
    font-size: 11px;
    padding: 3px 10px;
    background: rgba(21, 101, 192, 0.12);
    color: #1729D9;
    border-radius: 10px;
    font-weight: 500;
    border: 1px solid rgba(21, 101, 192, 0.2);
}

.news_time {
    font-size: 12px;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .course_grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)) !important;
        gap: 20px !important;
    }
    
    .course_section,
    .hot_section,
    .news_section {
        padding: 24px !important;
    }
}

@media (max-width: 768px) {
    .course_grid {
        grid-template-columns: 1fr !important;
    }
}

/* ============================================
   全新现代化考试模块样式
   ============================================ */

.exam_module_wrap {
    margin-bottom: 40px;
}

.exam_module {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 24px;
    padding: 0;
    box-shadow: 0 10px 40px rgba(21, 101, 192, 0.12);
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid rgba(21, 101, 192, 0.08);
}

.exam_module:hover {
    box-shadow: 0 15px 50px rgba(21, 101, 192, 0.2);
    transform: translateY(-4px);
}

.exam_header {
    background: #1729D9;
    padding: 36px 40px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.exam_header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.exam_title_box {
    display: flex;
    align-items: center;
    gap: 20px;
}

.exam_icon {
    font-size: 48px;
    line-height: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.exam_title {
    flex: 1;
}

.exam_name {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 8px 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.exam_en {
    font-size: 14px;
    opacity: 0.9;
    letter-spacing: 2px;
    font-weight: 500;
}

.exam_content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    padding: 36px;
}

.exam_tabs {
    display: flex;
    gap: 14px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.exam_tab_btn {
    padding: 12px 28px;
    background: rgba(21, 101, 192, 0.1);
    border: 2px solid rgba(21, 101, 192, 0.2);
    border-radius: 28px;
    color: #1729D9;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.exam_tab_btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(21, 101, 192, 0.12);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.exam_tab_btn:hover::before {
    width: 200px;
    height: 200px;
}

.exam_tab_btn:hover,
.exam_tab_btn.active {
    background: linear-gradient(135deg, #1729D9 0%, #0d47a1 100%);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(21, 101, 192, 0.4);
}

.exam_tab_btn span {
    position: relative;
    z-index: 1;
}

.exam_tab_content {
    display: none !important;
    visibility: hidden !important;
}

.exam_tab_content.active {
    display: block !important;
    visibility: visible !important;
}

.exam_featured {
    margin-bottom: 28px;
    padding: 20px 26px;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.08) 0%, rgba(13, 71, 161, 0.08) 100%);
    border-left: 5px solid;
    border-image: linear-gradient(180deg, #1729D9 0%, #0d47a1 100%) 1;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.08);
}

.exam_featured:hover {
    transform: translateX(6px);
    box-shadow: 0 6px 20px rgba(21, 101, 192, 0.15);
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.12) 0%, rgba(13, 71, 161, 0.12) 100%);
}

.featured_link {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

.featured_link:hover {
    color: #1729D9;
}

.featured_label {
    font-size: 16px;
    flex-shrink: 0;
}

.featured_text {
    font-size: 17px;
    font-weight: 600;
    flex: 1;
    line-height: 1.5;
}

.exam_article_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article_column {
    background: #ffffff;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.article_column:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(21, 101, 192, 0.2);
    border-color: rgba(21, 101, 192, 0.25);
}

.column_header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, rgba(21, 101, 192, 0.25) 0%, rgba(13, 71, 161, 0.25) 100%) 1;
}

.column_icon {
    font-size: 22px;
    line-height: 1;
}

.column_title {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.2px;
}

.article_list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.article_list li {
    margin-bottom: 14px;
    padding-left: 24px;
    position: relative;
    list-style: none;
}

.article_list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #1729D9;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s ease;
}

.article_list li:hover::before {
    color: #0d47a1;
    transform: translateX(3px);
}

.article_list li:last-child {
    margin-bottom: 0;
}

.article_list a {
    color: #555;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.7;
    transition: all 0.3s ease;
    display: block;
}

.article_list a:hover {
    color: #1729D9;
    padding-left: 6px;
    font-weight: 500;
}

.exam_sidebar {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 6px 25px rgba(21, 101, 192, 0.1);
    height: fit-content;
    width: 100%;
    box-sizing: border-box;
    overflow: visible;
    border: 1px solid rgba(21, 101, 192, 0.08);
}

.sidebar_content {
    width: 100% !important;
    box-sizing: border-box !important;
    height: 390px;
    overflow: hidden !important;
}

.sidebar_title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(21, 101, 192, 0.15);
}

.sidebar_icon {
    font-size: 24px;
}

.sidebar_text {
    font-size: 18px;
    font-weight: 700;
    color: #333;
}

.review_item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: rgba(21, 101, 192, 0.06);
    border-radius: 12px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(21, 101, 192, 0.1);
}

.review_item:hover {
    background: rgba(21, 101, 192, 0.1);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.15);
}

.review_avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    cursor: pointer;
}

.review_avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review_text {
    flex: 1;
    cursor: pointer;
}

.review_text p {
    margin: 0;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.picMarquee4 {
    width: 100% !important;
    box-sizing: border-box !important;
}

.picMarquee4 .bd {
    width: 100% !important;
    box-sizing: border-box !important;
}

.picMarquee4 .picList {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.picMarquee4 .picList li {
    list-style: none !important;
    margin: 0 !important;
    padding: 10px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.order_item {
    display: flex !important;
    gap: 10px !important;
    padding: 10px !important;
    background: rgba(21, 101, 192, 0.05) !important;
    border-radius: 8px !important;
    margin-bottom: 10px !important;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: visible !important;
    align-items: flex-start !important;
    border: 1px solid rgba(21, 101, 192, 0.1) !important;
}

.order_item:last-child {
    margin-bottom: 0 !important;
}

.order_item:hover {
    background: rgba(21, 101, 192, 0.1) !important;
    transform: translateX(2px);
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.2);
    border-color: rgba(21, 101, 192, 0.2) !important;
}

.order_image {
    width: 60px !important;
    height: 60px !important;
    min-width: 60px !important;
    max-width: 60px !important;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0 !important;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.order_image img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.order_item:hover .order_image img {
    transform: scale(1.1);
}

.order_info {
    flex: 1 !important;
    min-width: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
    overflow: visible !important;
    width: 100% !important;
}

.order_info h4 {
    margin: 0 !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #333 !important;
    line-height: 1.4 !important;
    word-break: break-word !important;
    overflow: visible !important;
    white-space: normal !important;
    display: block !important;
}

.order_author {
    font-size: 12px !important;
    color: #1729D9 !important;
    margin: 0 !important;
    font-weight: 500 !important;
    line-height: 1.3 !important;
    overflow: visible !important;
    white-space: normal !important;
    display: block !important;
}

.order_desc {
    font-size: 11px !important;
    color: #666 !important;
    margin: 0 !important;
    line-height: 1.5 !important;
    word-break: break-word !important;
    overflow: visible !important;
    white-space: normal !important;
    display: block !important;
}

.order_tags {
    font-size: 10px !important;
    color: #1729D9 !important;
    font-weight: 500 !important;
    word-break: break-word !important;
    line-height: 1.4 !important;
    overflow: visible !important;
    white-space: normal !important;
    display: block !important;
}

.premium_item {
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.premium_item:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(21, 101, 192, 0.35);
}

.premium_item img {
    width: 100%;
    height: auto;
    display: block;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .exam_content {
        grid-template-columns: 1fr;
    }
    
    .exam_article_grid {
        grid-template-columns: 1fr;
    }
}