/* style.css - 考研全能助手完整样式 */
:root {
  /* 主色调 */
  --primary-color: #FF6B35;
  --primary-dark: #c0392b;
  --secondary-color: #FF6B35;
  --secondary-dark: #e67e22;
  --accent-color: #FFD166;
  
  /* 背景与文字 */
  --light-bg: #fff9f5;
  --light-color: #f8f9fa;  
  --dark-text: #333;
  --medium-text: #555;
  --dark-color: #333;
  --gray-color: #6c757d;
  --light-gray: #e9ecef;  
  --light-text: #777;
  --white: #fff;
  
  /* 边框 */
  --border-radius: 8px;
  --border-color: rgba(231, 76, 60, 0.2);
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;  
}
/* 基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

body {
  background-color: var(--light-bg);
  color: var(--dark-text);
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255,186,114,0.05) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(231,76,60,0.05) 0%, transparent 20%);
}
a {
    text-decoration: none;
    color: inherit;
}
ul {
    list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}




/* 轮播图样式 */
.slider-container {
    width: 1200px;
    height: 366px;
    margin: 15px auto;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.2);
}

.slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slider img.active {
    opacity: 1;
}

.slider-nav {
    position: absolute;
    bottom: 5px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.slider-dot.active {
    background-color: white;
    transform: scale(1.2);
}

/* 响应式设计 */
@media (max-width: 1240px) {
    .nav-container {
        max-width: 95%;
    }
    
    .slider-container {
        width: 95%;
        height: calc(95vw * 0.305); /* 保持366/1200的比例 */
    }
    
    .nav-links li {
        margin: 0 8px;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none; /* 小屏幕隐藏导航链接 */
    }
    
    .nav-container {
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .logo {
        font-size: 24px;
    }
    
    
    .slider-container {
        height: 250px;
    }
}

@media (max-width: 576px) {
    .slider-container {
        height: 200px;
    }
    
    .slider-dot {
        width: 10px;
        height: 10px;
    }
}


/* 通用模块样式 */
.module {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 30px rgba(231, 76, 60, 0.1);
  padding: 40px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 3px solid var(--primary-color);
}

.module:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(231, 76, 60, 0.15);
}

.module-header {
  text-align: center;
  margin-bottom: 40px;
}

.module-tag {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--white);
  padding: 5px 15px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 15px;
}

.module-title {
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.module-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.module-subtitle {
  font-size: 18px;
  color: var(--medium-text);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(231, 76, 60, 0.4);
}

.btn:active {
  transform: translateY(1px);
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn:focus:not(:active)::after {
  animation: ripple 1s ease-out;
}
/* 最全资料大全模块样式 */
.full-data-module {
    padding: 60px 0;
    background-color: #fff9f5; /* 浅粉色背景 */
}

.full-data-module .module-header {
    text-align: center;
    margin-bottom: 40px;
}

.full-data-module .module-tag {
    display: inline-block;
    background-color: #f39c12; /* 黄色标签 */
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
}

.full-data-module h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 700;
}

.full-data-module .module-subtitle {
    font-size: 18px;
    color: #666;
}

.data-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    width: 280px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
}

.feature-card h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 10px;
}

.feature-card p {
    color: #666;
    font-size: 16px;
}

.data-highlights {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 40px 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    background: rgba(231, 76, 60, 0.1);
    padding: 10px 25px;
    border-radius: 30px;
    font-size: 16px;
}

.highlight-item i {
    color: #e74c3c;
    margin-right: 8px;
    font-size: 18px;
}

.module-footer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.primary-btn, .secondary-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 16px;
}

.primary-btn {
    background: #e74c3c;
    color: white;
}

.primary-btn:hover {
    background: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

.secondary-btn {
    background: white;
    color: #e74c3c;
    border: 2px solid #e74c3c;
}

.secondary-btn:hover {
    background: #f9f9f9;
    transform: translateY(-3px);
}

.primary-btn i, .secondary-btn i {
    margin-right: 8px;
}

/* 考研精品资料模块样式 */
.materials-module {
    padding: 60px 0;
    background-color: #f5f5f0; /* 浅米色背景 */
}

.materials-module .module-header {
    text-align: center;
    margin-bottom: 40px;
}

.materials-module .module-tag {
    display: inline-block;
    background-color: #f39c12; /* 黄色标签 */
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
}

.materials-module h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 700;
}

.materials-module .module-subtitle {
    font-size: 18px;
    color: #666;
}

.materials-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
}

.material-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    width: 350px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.material-card.featured {
    border: 2px solid #f39c12;
}

.material-cover {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.material-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #e74c3c;
    color: white;
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: bold;
}

.material-info {
    padding: 25px;
}

.material-info h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 15px;
}

.material-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.material-meta i {
    color: #f39c12;
    margin-right: 5px;
}

.material-desc {
    font-size: 15px;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.6;
}

.material-price {
    margin-top: 20px;
}

.current-price {
    font-size: 24px;
    font-weight: bold;
    color: #e74c3c;
    margin-right: 10px;
}

.original-price {
    font-size: 16px;
    color: #999;
    text-decoration: line-through;
}

.material-solutions {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-top: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.material-solutions h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 25px;
    text-align: center;
}

.solution-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.solution-icon {
    width: 30px;
    height: 30px;
    background: #f39c12;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 14px;
}

.solution-item p {
    font-size: 16px;
    color: #555;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .data-features,
    .materials-grid {
        flex-wrap: wrap;
    }
    
    .feature-card,
    .material-card {
        width: 100%;
        max-width: 350px;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .module-footer {
        flex-direction: column;
        align-items: center;
    }
    
    .primary-btn,
    .secondary-btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
        justify-content: center;
        margin-bottom: 15px;
    }
    
    .highlight-item {
        width: 100%;
        justify-content: center;
    }
}




/* 英语作文模块 */
.writing-module {
  padding: 60px 0;
}

.writing-guarantee {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin: 40px 0;
}

.guarantee-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  width: 250px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  position: relative;
  transition: all 0.3s;
}

.guarantee-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.guarantee-card.featured {
  border: 2px solid var(--secondary-color);
}

.guarantee-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-size: 24px;
}

.score {
  font-size: 28px;
  font-weight: bold;
  color: var(--secondary-color);
  margin: 10px 0;
}

.writing-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.feature-item {
  text-align: center;
  padding: 20px;
}

.feature-item i {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.feature-item h4 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--primary-color);
}

/* 估分排名模块 */
.score-module {
  background: var(--light-bg);
  padding: 60px 0;
}

.score-stats {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin: 40px 0;
}

.stat-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  min-width: 200px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.stat-number {
  font-size: 36px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.score-features {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin: 40px 0;
}

.feature-column {
  max-width: 350px;
}

.feature-column h3 {
  font-size: 20px;
  color: var(--primary-color);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.feature-column h3 i {
  margin-right: 10px;
  color: var(--secondary-color);
}

.feature-column ul {
  list-style: none;
}

.feature-column li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.feature-column li:before {
  content: '•';
  color: var(--secondary-color);
  position: absolute;
  left: 0;
}

/* 智慧调剂模块 */
.adjustment-module {
  padding: 60px 0;
}

.adjustment-versions {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin: 40px 0;
}

.version-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 30px;
  width: 300px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  position: relative;
  transition: all 0.3s;
}

.version-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.version-card.featured {
  border: 2px solid var(--secondary-color);
}

.version-header {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.version-header h3 {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.version-tag {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--white);
  padding: 3px 15px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: bold;
}

.version-card ul {
  list-style: none;
}

.version-card li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
}

.version-card li:before {
  content: '✓';
  color: var(--secondary-color);
  position: absolute;
  left: 0;
}

.featured-badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--secondary-color);
  color: var(--white);
  padding: 5px 15px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: bold;
  box-shadow: 0 3px 10px rgba(243, 156, 18, 0.3);
}

.adjustment-functions {
  text-align: center;
  margin-top: 50px;
}

.function-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.function-item {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 20px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.function-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-size: 20px;
  font-weight: bold;
}

/* 报录大数据模块 */
.data-module {
  background: var(--light-bg);
  padding: 60px 0;
}

.data-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
}

.tab {
  padding: 10px 25px;
  background: var(--white);
  border-radius: 30px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s;
  border: 1px solid var(--border-color);
}

.tab.active {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.data-content {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.data-section {
  display: none;
}

.data-section.active {
  display: block;
}

.data-item {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}


.data-label {
  font-weight: bold;
  color: var(--primary-color);
    color: #333;
}

.data-samples {
  margin-top: 40px;
  text-align: center;
}

.sample-images {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.sample-images img {
  max-width: 45%;
  border-radius: var(--border-radius);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

 /* 图片放大模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    overflow: auto;
}

.modal-content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 20px;
}

.modal-img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: var(--secondary-color);
}



/* 考研名师汇模块样式 */
.teachers-section {
    padding: 80px 0;
    background-color: #fff;
}

.teachers-section .section-header {
    text-align: center;
    margin-bottom: 50px;
}

.teachers-section h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.teachers-section h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #e74c3c, #f39c12);
}

.teachers-section p {
    font-size: 18px;
    color: #666;
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.teacher-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(231, 76, 60, 0.1);
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
}

.teacher-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(231, 76, 60, 0.15);
}

.teacher-card.featured {
    border: 2px solid #f39c12;
}

.teacher-avatar {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.teacher-tag {
    position: absolute;
    top: 175px;
    left: 255px;
    background-color: #e74c3c;
    color: white;
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: bold;
}

.teacher-info {
    padding: 25px;
    text-align: center;
}

.teacher-info h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 10px;
}

.teacher-title {
    color: #f39c12;
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 16px;
}

.teacher-desc {
    color: #666;
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.teacher-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.teacher-stats span {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #666;
}

.teacher-stats i {
    color: #f39c12;
    margin-right: 5px;
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #f39c12;
    color: white;
    padding: 5px 10px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: bold;
    animation: pulse 2s infinite;
}



.view-all {
    text-align: center;
    margin-top: 50px;
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    background: white;
    color: #e74c3c;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    border: 2px solid #e74c3c;
    transition: all 0.3s;
}

.view-all-btn:hover {
    background: #e74c3c;
    color: white;
    transform: translateY(-3px);
}

.view-all-btn i {
    margin-left: 8px;
    transition: all 0.3s;
}

.view-all-btn:hover i {
    transform: translateX(5px);
}

/* 动画效果 */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(243, 156, 18, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(243, 156, 18, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(243, 156, 18, 0);
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .teachers-grid,
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .teachers-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .courses-tabs {
        flex-wrap: wrap;
    }
    
    .tab {
        margin-bottom: 10px;
    }
}


/* 动画效果 */
@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 1;
  }
  20% {
    transform: scale(25, 25);
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(40, 40);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(243, 156, 18, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(243, 156, 18, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(243, 156, 18, 0);
  }
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .container {
    padding: 0 30px;
  }
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  
  .module {
    padding: 30px;
  }
  
  .teachers-grid,
  .video-courses {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .writing-guarantee,
  .score-stats,
  .adjustment-versions {
    flex-wrap: wrap;
  }
  
  .guarantee-card,
  .stat-card,
  .version-card {
    width: 100%;
    max-width: 350px;
    margin-bottom: 20px;
  }
}

@media (max-width: 768px) {
  .slider-container {
    height: 250px;
  }
  
  .module {
    padding: 25px 20px;
  }
  
  .module-title {
    font-size: 28px;
  }
  
  .data-features,
  .teachers-grid,
  .video-courses {
    grid-template-columns: 1fr;
  }
  
  .score-features {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }
  
  .feature-column {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .module-header {
    margin-bottom: 30px;
  }
  
  .module-title {
    font-size: 24px;
  }
  
  .module-subtitle {
    font-size: 16px;
  }
  
  .btn {
    padding: 10px 25px;
    font-size: 14px;
  }
  
  .data-tabs,
  .course-categories {
    flex-wrap: wrap;
  }
  
  .tab,
  .category {
    margin-bottom: 10px;
  }
}
/* 英语作文1对1定制模块 */
.writing-module {
    padding: 60px 0;
    background-color: #fff;
}

.writing-guarantee {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
}

.guarantee-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    width: 280px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    position: relative;
    border: 1px solid #eee;
    transition: all 0.3s;
}

.guarantee-card.featured {
    border: 2px solid #f39c12;
}

.guarantee-icon {
    width: 70px;
    height: 70px;
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
}

.guarantee-card h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
}

.score {
    font-size: 28px;
    font-weight: bold;
    color: #e74c3c;
    margin: 15px 0;
}

.detail {
    color: #777;
    font-size: 15px;
}

.writing-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 50px 0;
}

.feature-item {
    text-align: center;
    width: 220px;
}

.feature-item i {
    font-size: 40px;
    color: #e74c3c;
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.feature-item p {
    color: #777;
    font-size: 14px;
}

.writing-process {
    margin-top: 50px;
    text-align: center;
}

.writing-process h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 30px;
}

.process-steps {
    display: flex;
    justify-content: center;
    align-items: center;
}

.step {
    text-align: center;
    width: 120px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 20px;
    font-weight: bold;
}

.step p {
    font-size: 16px;
    color: #333;
}

.step-arrow {
    margin: 0 15px;
    color: #e74c3c;
    font-size: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .step p {
        font-size: 12px;
        color: #333;
    }
}

/* 估分排名模块 */
.score-module {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.score-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0;
}

.stat-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    width: 220px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #e74c3c;
    margin-bottom: 10px;
}

.stat-label {
    color: #777;
    font-size: 16px;
}

.score-features {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 50px 0;
}

.feature-column {
    width: 350px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 80px;
}

.feature-column h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.feature-column h3 i {
    margin-right: 10px;
    color: #f39c12;
    font-size: 24px;
}

.feature-column ul {
    list-style: none;
}

.feature-column li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
    text-align: left;
    color: #555;
}

.feature-column li:before {
    content: "•";
    color: #f39c12;
    font-size: 20px;
    position: absolute;
    left: 0;
    top: -2px;
}

.score-cta {
    background: white;
    border-radius: 10px;
    padding: 30px;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.cta-content h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
}

.cta-content p {
    color: #777;
    font-size: 16px;
}

.cta-button {
    background: #e74c3c;
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 16px;
    display: flex;
    align-items: center;
    transition: all 0.3s;
    text-decoration: none;
}

.cta-button:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

.cta-button i {
    margin-left: 8px;
}

/* 智慧调剂模块 */
.adjustment-module {
    padding: 60px 0;
    background-color: white;
}

.adjustment-versions {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
}

.version-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    width: 300px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border: 1px solid #eee;
    transition: all 0.3s;
    position: relative;
}

.version-card.featured {
    border: 2px solid #f39c12;
}

.version-header {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.version-header h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
}

.version-tag {
    display: inline-block;
    background: #e74c3c;
    color: white;
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: bold;
}

.version-card ul {
    list-style: none;
}

.version-card li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
    color: #555;
}

.version-card li:before {
    content: "✓";
    color: #f39c12;
    position: absolute;
    left: 0;
}

.adjustment-functions {
    text-align: center;
    margin-top: 50px;
}

.function-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.function-item {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.function-item:hover {
    transform: translateY(-5px);
}
.function-item p {
    font-size: 16px;
    color: #333;
    margin-top: 10px;
}

/* 视频网课模块 */
.video-module {
    padding: 80px 0;
    background-color: white;
}

.module-header {
    text-align: center;
    margin-bottom: 40px;
}

.module-tag {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 6px 20px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
}

.module-header h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.module-subtitle {
    font-size: 18px;
    color: var(--medium-text);
}

/* 课程分类 */
.course-categories {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    gap: 20px;
}

.category {
    padding: 12px 30px;
    cursor: pointer;
    font-weight: bold;
    color: var(--medium-text);
    position: relative;
    transition: all 0.3s;
    border-radius: 30px;
    border: 2px solid #eee;
}

.category.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: rgba(231, 76, 60, 0.1);
}

/* 视频课程卡片 */
.video-courses {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.course-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.course-card.featured {
    border: 2px solid var(--secondary-color);
}

.video-preview {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.video-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.course-card:hover .video-preview img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 24px;
    opacity: 0.9;
    transition: all 0.3s;
}

.course-card:hover .play-button {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.course-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.featured-label {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--secondary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.course-info {
    padding: 20px;
}

.course-info h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.lecturer {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.lecturer img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 10px;
    object-fit: cover;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    color: var(--medium-text);
    font-size: 14px;
}

.course-meta i {
    margin-right: 5px;
    color: var(--primary-color);
}

.course-price {
    display: flex;
    align-items: center;
}

.current {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-right: 10px;
}

.original {
    font-size: 16px;
    color: var(--medium-text);
    text-decoration: line-through;
    margin-right: 10px;
}

.discount {
    background-color: var(--secondary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 14px;
}

/* 学习特色 */
.learning-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid #eee;
}

.feature {
    padding: 20px;
}

.feature i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-text);
}

.feature p {
    color: var(--medium-text);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .module-header h2 {
        font-size: 28px;
    }
    
    .course-categories {
        flex-wrap: wrap;
    }
    
    .category {
        padding: 8px 20px;
        font-size: 14px;
    }
    
    .video-courses {
        grid-template-columns: 1fr;
    }
    
    .learning-features {
        grid-template-columns: 1fr;
    }
}
