* {
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    height: auto;
    min-width: 1250px;

}

video {
    width: 100%;
    height: 100%;
    background-color: #000;
}

input[type="radio"] {
    border: 0px;
    /* 如果要去掉边框，可以设置为0 */
    border-radius: 50%;
    /* 使得radio呈现圆形 */
    width: 16px;
    /* 设置radio的宽度 */
    height: 16px;
    /* 设置radio的高度 */
    outline: none;
    /* 去掉聚焦时的边框 */
    box-shadow: none;
    /* 去掉阴影效果 */
    background-color: #fff;
    /* 设置背景颜色 */
    margin: 0;
    /* 可以根据需要调整margin */
    padding: 0;
    /* 可以根据需要调整padding */
}

.wrapperr {
    padding: 0;
}

.pageModel {
    width: 100%;
    height: auto;
    position: relative;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transform: translate(0);
}

.pageModel_content {
    margin: auto;
    font-size: 12px;
    /*width: 100%;*/
    width: 1200px;
    min-width: 1100px;
    position: relative;
    overflow: hidden;
}


.title_box {
    width: auto;
    margin: auto;
    text-align: center;
    color: #3C4467;
    font-family: AlibabaPuHuiTi;
    font-size: 38px;
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0em;
    padding: 80px 0 50px 0;
}

.title_img {
    width: 109px;
    height: 16px;
    margin: auto;
    background-image: url("../images/python/t.png");
    background-repeat: no-repeat;
    background-size: 100%;
    margin-top: 5px;
}

.title_describe {
    width: 100%;
    line-height: 28px;
    color: #3C4467;
    font-size: 18px;
    margin-top: 20px;
    text-align: left;
    color: #3C4467;
    font-family: AlibabaPuHuiTi;
    font-weight: normal;
}

.assistant_title {
    display: flex;
    width: auto;
    margin: auto;
    color: #3C4467;
    font-size: 34px;
    font-weight: 500;
    position: relative;
    justify-content: center;
}

.assistant_title::after {
    content: "";
    width: 35px;
    height: 60px;
    display: block;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-image: url('../images/contact/tbgr.png');
}

.assistant_title::before {
    content: "";
    width: 36px;
    height: 60px;
    display: block;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-image: url('../images/contact/tbgl.png');
}

/*.model1 {*/
/*    height: 840px;*/
/*}*/

/*.model1_content {*/
/*    width: 88%;*/
/*    height: 520px;*/
/*    margin: auto;*/
/*    margin-top: 80px;*/
/*    background-color: #3C4467;*/
/*}*/

/* 课程体系页面新增样式 */

/* 蓝色统计数据栏 */
.stats-banner {
    background: #1d14b0;
    /*padding: 20px 0;*/
    margin: 0;
    width: 100%;
    border-radius: 0;
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.top-pane {
    width: 100%;
    display: flex;
    justify-content: center;
    background-image: url("../images/courseTx/top-bg.png");
    background-size: cover;
    background-repeat: repeat;
    background-position: center;
}

.stats-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    color: white;
    flex: 1;
    padding: 15px 8px;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: rgba(255, 255, 255, 0.4);
}

.stat-icon {
    margin: 0 auto 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
}

.stat-icon svg {
    width: 48px;
    height: 48px;
    filter: none;
}

.stat-number {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 6px;
    text-shadow: none;
    line-height: 1;
    font-family: 'Arial', sans-serif;
}

.stat-label {
    font-size: 12px;
    opacity: 1;
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: 0.3px;
    max-width: 80px;
    margin: 0 auto;
}

/* 课程体系样式 */
.course-system-content {
    padding: 0;
}

.course-level {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin: 40px auto;
    max-width: 1200px;
    border-radius: 20px;
    padding: 40px;
    color: white;
}

.course-level:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.level-header {
    text-align: center;
    margin-bottom: 30px;
}

.level-header h2 {
    font-size: 32px;
    margin: 0 0 10px 0;
}

.level-header p {
    font-size: 18px;
    margin: 0;
}

.course-cards {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.course-card {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    flex: 1;
    min-width: 200px;
    transition: transform 0.3s ease;
}

.course-card:hover {
    transform: translateY(-3px);
}

.course-card h3 {
    font-size: 20px;
    margin: 0 0 15px 0;
}

.course-card p {
    font-size: 14px;
    line-height: 1.6;
}

.level-features {
    margin-top: 30px;
    text-align: center;
}

.level-features div {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 15px;
}

.level-features span {
    background: rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.level-features span:hover {
    background: rgba(255, 255, 255, 0.5) !important;
    transform: scale(1.05);
}

/* 各层级背景色 */
.level-1 {
    background: linear-gradient(135deg, #FF6B35, #E55A2B);
}

.level-2 {
    background: linear-gradient(135deg, #FF8C42, #E67E22);
}

.level-3 {
    background: linear-gradient(135deg, #F39C12, #E67E22);
}

.level-4 {
    background: linear-gradient(135deg, #8E44AD, #9B59B6);
}

.level-5 {
    background: linear-gradient(135deg, #27AE60, #2ECC71);
}

.level-6 {
    background: linear-gradient(135deg, #3498DB, #2980B9);
}

.level-7 {
    background: linear-gradient(135deg, #E67E22, #D35400);
}

.level-8 {
    background: linear-gradient(135deg, #16A085, #1ABC9C);
}

/* 特殊卡片样式 */
.level-4 .course-card {
    min-width: 180px;
}

.level-8 .course-card .stat-icon-placeholder {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.level-8 .course-card h3 {
    font-size: 18px;
    margin: 0 0 10px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .stats-banner {
        padding: 15px 0;
    }

    .stats-container {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        padding: 0 10px;
    }

    .stat-item {
        flex: 0 0 calc(50% - 10px);
        padding: 10px 5px;
        margin: 0;
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }

    .stat-number {
        font-size: 24px;
    }

    .stat-icon svg {
        width: 40px;
        height: 40px;
    }

    .stat-label {
        font-size: 11px;
    }

    .course-level {
        margin: 20px 10px !important;
        padding: 20px !important;
    }

    .course-cards {
        flex-direction: column !important;
    }

    .course-card {
        min-width: auto !important;
        margin-bottom: 15px;
    }

    .level-header h2 {
        font-size: 24px !important;
    }

    .level-header p {
        font-size: 16px !important;
    }

    .level-features div {
        flex-direction: column !important;
    }

    .level-features span {
        margin-bottom: 10px;
        display: block;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 32px !important;
    }

    .stats-banner {
        padding: 10px 0;
    }

    .stats-container {
        flex-wrap: wrap;
        gap: 5px;
        padding: 0 5px;
    }

    .stat-item {
        flex: 0 0 calc(50% - 5px);
        padding: 8px 3px;
        margin: 0;
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }

    .stat-number {
        font-size: 20px;
    }

    .stat-icon svg {
        width: 32px;
        height: 32px;
    }

    .stat-label {
        font-size: 10px;
        line-height: 1.2;
    }

    .course-level {
        padding: 15px !important;
    }

    .level-header h2 {
        font-size: 20px !important;
    }

    .course-card {
        padding: 15px !important;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.course-level {
    animation: fadeInUp 0.6s ease-out;
}

.stat-item {
    animation: fadeInUp 0.6s ease-out;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-3px);
}

.stat-item:hover .stat-icon svg {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.stat-item:hover .stat-number {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* 为不同的统计项添加延迟动画 */
.stat-item:nth-child(1) {
    animation-delay: 0.1s;
}

.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.3s;
}

.stat-item:nth-child(4) {
    animation-delay: 0.4s;
}

.stat-item:nth-child(5) {
    animation-delay: 0.5s;
}

.stat-item:nth-child(6) {
    animation-delay: 0.6s;
}

.stat-item:nth-child(7) {
    animation-delay: 0.7s;
}

.stat-item:nth-child(8) {
    animation-delay: 0.8s;
}

.model1-inner {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.model1-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.model2 {
    width: 100%;
}

/*background-color: #F57C42;*/
.model2-inner {
    display: flex;
    justify-content: center;
    width: 100%;
    background-image: url("../images/courseTx/bg2-1.png");
    background-size: cover;
    background-repeat: repeat;
    background-position: center;
}

.model2-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    /*图片做背景色*/
    background-image: url("../images/courseTx/bg2-2.png");
    background-size: cover;
    background-repeat: repeat;
    background-position: center;
}

.model3-inner {
    display: flex;
    justify-content: center;
}

.model3-footer {
    width: 100%;
    display: flex;
    justify-content: center;
}

.model4-inner {
    width: 100%;
    display: flex;
    justify-content: center;
    background-image: url("../images/courseTx/bg4-1.png");
    background-size: cover;
    background-repeat: repeat;
    background-position: center;
}

.model4-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    background-image: url("../images/courseTx/bg4-2.png");
    background-size: cover;
    background-repeat: repeat;
    background-position: center;
}

.model5-inner {
    display: flex;
    justify-content: center;
}

.model5-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.model6 {
    wdith: 100%;
    display: flex;
    justify-content: center;
    background-image: url("../images/courseTx/bg6-1.png");
    background-size: cover;
    background-repeat: repeat;
    background-position: center;
}

.model7 {
    display: flex;
    justify-content: center;
}

.model8-inner {
    width: 100%;
    display: flex;
    justify-content: center;
    background-image: url("../images/courseTx/bg8-1.png");
    background-size: cover;
    background-repeat: repeat;
    background-position: center;
}

.model8-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 70px;
}