/* 登录模块 */
.login-section {
    padding: 40px 0;
    background-color: white;
    border-bottom: 1px solid #e0e0e0;
}

.vertical-login-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    max-width: 350px;
    margin: 0 auto;
}

.vertical-login-buttons .login-btn {
    width: 200px;
    height: 50px;
    text-align: left;
    padding: 0 10px 0 70px;
    border: none;
    position: relative;
    display: flex;
    align-items: center;
    font-size: 16px;
}

.vertical-login-buttons .teacher-login {
    position: relative;
    overflow: hidden;
    background-color: #3a5998;
    color: white;
}

.vertical-login-buttons .teacher-login:before {
    content: '';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-image: url('/lib/template/static/images/js.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    z-index: 2;
}

.vertical-login-buttons .teacher-login:after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.vertical-login-buttons .student-login {
    position: relative;
    overflow: hidden;
    background-color: #40a9ff;
    color: white;
}

.vertical-login-buttons .student-login:before {
    content: '';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-image: url('/lib/template/static/images/xs.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    z-index: 2;
}

.vertical-login-buttons .student-login:after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

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

body {
    font-family: Arial, sans-serif;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    color: white;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar.scrolled {
    background-color: white;
    color: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .nav-links a {
    color: #333;
}

.navbar.scrolled .login-btn {
    border: 1px solid #e0e0e0;
}

.navbar.scrolled .admin-login {
    background-color: #1890ff;
    color: white;
    border-color: #1890ff;
}

.navbar.scrolled .teacher-login {
    background-color: #52c41a;
    color: white;
    border-color: #52c41a;
}

.navbar.scrolled .student-login {
    background-color: #faad14;
    color: white;
    border-color: #faad14;
}

.navbar-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.exam-process-section .navbar-container,
.data-visualization-section .navbar-container,
.question-bank-section .navbar-container {
    display: block;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
    width: 150px;
    height: 70px;
}

.top-logo {
    display: block;
    width: 150%;
    height: 70%;
    object-fit: contain;
}

.scrolled-logo {
    display: none;
    height: 40px;
    object-fit: contain;
}

.navbar.scrolled .top-logo {
    display: none;
}

.navbar.scrolled .scrolled-logo {
    display: block;
}

.logo img {
    width: 150%;
    height: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin: 0 20px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 16px;
}

.login-buttons {
    display: flex;
    gap: 10px;
}

.login-btn {
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.admin-login {
    background-color: transparent;
    border: 1px solid white;
    color: white;
}

.teacher-login {
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid white;
    color: white;
}

.student-login {
    background-color: white;
    border: 1px solid white;
    color: #333;
}

/* 轮播图样式 */
.carousel {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 10;
}

.carousel-title {
    font-size: 60px;
    margin-bottom: 20px;
    color: white;
}

.carousel-subtitle {
    font-size: 20px;
    color: white;
    margin-bottom: 30px;
}

.carousel-content .vertical-login-buttons {
    margin-top: 30px;
    flex-direction: row;
    gap: 20px;
    justify-content: center;
}

.carousel-content .vertical-login-buttons .login-btn {
    background-color: transparent;
    color: white;
    border: 1px solid white;
    box-shadow: none;
}

.carousel-content .vertical-login-buttons .login-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* 院校logo展示模块 */
.schools-section {
    padding: 0 0 50px 0;
    background-color: white;
    border-bottom: 1px solid #e0e0e0;
}

.schools-slider {
    position: relative;
    overflow: hidden;
}

.schools-container {
    display: flex;
    transition: transform 0.5s ease;
}

.school-logo {
    flex: 0 0 calc(100% / 6 - 10px);
    margin-right: 10px;
    padding: 20px;
    box-sizing: border-box;
    background-color: white;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.school-logo:last-child {
    margin-right: 0;
}

.school-logo img {
    width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid #ddd;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
}

.left-btn {
    left: 0;
}

.right-btn {
    right: 0;
}

/* 学校考试模板模块 */
.exam-templates-section {
    padding: 50px 0;
    background-color: white;
}

.section-title {
    font-size: 27px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
    font-weight: 600;
}

.title-with-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.title-icon {
    font-size: 20px;
    color: #1890ff;
    margin: 0 20px;
}

.title-with-icons .section-title {
    margin-bottom: 0;
}

.exam-types {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -8px;
}

.exam-type {
    flex: 0 0 calc(30% - 16px);
    margin: 0 8px 20px;
    padding: 35px 15px;
    background-color: white;
    border-radius: 8px;
    text-align: center;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.exam-icon {
    margin-bottom: 15px;
}

.exam-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.exam-text {
    font-size: 14px;
    color: #333;
}

.exam-type:hover {
    background-color: #e0e0e0;
    transform: translateY(-5px);
}

/* 考试流程模块 */
.exam-process-section {
    padding: 50px 0;
    background-color: #f9f9f9;
}

.exam-process-section .section-title {
    margin-bottom: 0;
}

.exam-process-section .title-with-icons,
.data-visualization-section .title-with-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.process-titles {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.process-title {
    flex: 0 0 calc(33.333% - 20px);
    margin: 0 10px;
    padding: 25px 20px;
    background-color: white;
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.process-title:hover {
    background-color: #f0f0f0;
    transform: translateY(-8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.process-title.active {
    background-color: #e6f7ff;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(102, 175, 233, 0.3);
    border: 1px solid #91d5ff;
}

.process-title h3 {
    font-size: 20px;
    color: #333;
    margin: 0;
}

/* 流程内容区域 */
.process-content {
    display: none;
    margin-top: 40px;
    padding: 30px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.process-content.active {
    display: flex;
}

.content-left {
    flex: 1;
    padding: 20px;
    border-right: 1px solid #f0f0f0;
}

.content-left h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 25px;
    font-weight: 600;
}

.content-right {
    flex: 1;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.steps-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.steps-list li {
    padding: 18px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 16px;
    position: relative;
    padding-left: 30px;
}

.steps-list li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 22px;
    width: 10px;
    height: 10px;
    background-color: #1890ff;
    border-radius: 50%;
}

.steps-list li:last-child {
    border-bottom: none;
}

.step-image {
    width: 100%;
    height: 320px;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    overflow: hidden;
}

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

/* 考试数据可视化模块 */
.data-visualization-section {
    padding: 50px 0;
    background-color: #f0f2f5;
}



.visualization-titles {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.visualization-title {
    flex: 0 0 calc(33.333% - 20px);
    margin: 0 10px;
    padding: 25px 20px;
    background-color: white;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
}

.visualization-title:hover {
    background-color: #f7f7f7;
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
    border-color: #d9d9d9;
}

.visualization-title.active {
    background-color: #fff7e6;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(247, 186, 41, 0.2);
    border-color: #ffd591;
}

.visualization-title h3 {
    font-size: 18px;
    color: #333;
    margin: 0;
}

.visualization-content {
    display: none;
    margin-top: 40px;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.visualization-content.active {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.visualization-text {
    flex: 1;
    text-align: left;
}

.visualization-text h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.visualization-text p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #666;
}

.visualization-image {
    flex: 1;
    height: 400px;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e8e8e8;
}

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

/* 海量题库模块 */
.question-bank-section {
    padding: 50px 0;
    background-color: white;
}

.bank-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 30px;
    text-align: left;
}

.bank-image {
    flex: 1;
    padding: 20px;
}

.bank-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    background-color: #f5f5f5;
}

.bank-description {
    flex: 1;
    padding: 20px;
}

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

.bank-features li {
    padding: 20px 0;
    font-size: 18px;
    color: #333;
    position: relative;
    padding-left: 40px;
}

.bank-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 20px;
    font-size: 20px;
    color: #52c41a;
    font-weight: bold;
}

/* 功能优势模块 */
.features-section {
    padding: 50px 0;
    background-color: #f9f9f9;
}

.features-section .navbar-container {
    display: block;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.feature-item {
    position: relative;
    width: 100%;
    height: 200px;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.feature-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
    transition: opacity 0.3s ease;
}

.feature-item:hover .feature-image {
    opacity: 0;
}

.feature-image img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.image-description {
    margin-top: 10px;
    font-size: 14px;
    color: #333;
    text-align: center;
}

.feature-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    background-color: white;
}

.feature-item:hover .feature-content {
    opacity: 1;
}

.feature-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
    text-align: center;
}

.feature-content p {
    font-size: 14px;
    color: #666;
    text-align: center;
    line-height: 1.4;
}

/* 试卷案例模块 */
.exam-cases-section {
    padding: 50px 0;
    background-color: #f5f7fa;
}

.exam-cases-section .navbar-container {
    display: block;
    text-align: center;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.case-item-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.case-item {
    background-color: white;
    border-radius: 8px;
    padding: 30px 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.case-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.case-description {
    text-align: center;
}

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

.animate-section {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-section.animate {
    opacity: 1;
    transform: translateX(0);
}



/* 页脚模块 */
.footer-section {
    background-color: #333;
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.footer-section .navbar-container {
    display: block;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.footer-content p {
    margin: 0;
    font-size: 14px;
    color: #ccc;
}

.footer-content a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-content a:hover {
    color: white;
    text-decoration: underline;
}