/* 全局样式 */
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  line-height: 1.6;
}

/* Banner样式 */
.sk_banner {
  position: relative;
  width: 100%;
  height: 600px;
  margin: 0 auto;
  overflow: hidden;
}

.sk_banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sk_banner .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
}

.sk_banner .mask h2 {
  font-size: 60px;
  font-weight: 700;
  margin: 0 0 20px 0;
  text-align: center;
  color: white;
  display: block;
  padding: 5px;
  position: relative;
  letter-spacing: 2px;
}

.mask h2 span {
  display: inline;
  color: #FFD700;
  margin-right: 10px;
}

.mask p {
  font-size: 24px;
  margin: 5px 0;
  text-align: center;
  max-width: 800px;
  line-height: 1.8;
}

/* 训练营大纲部分 */
.training-outline {
  width: 100%;

  margin: 80px auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  font-size: 36px;
  font-weight: 700;
  color: #333;
  position: relative;
}

.section-title:after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: #FFD700;
  margin: 15px auto 0;
}

.course-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.course-item {
  width: 50%;
  display: flex;

  align-items: center;
}

.course-img {
  width: 100%;
  height: 450px;
  overflow: hidden;
}

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

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

.course-text {
  width: 100%;
  text-align: center;
}

.course-text h3 {
  font-size: 28px;
  font-weight: 700;
  color: #4B0082;
  margin-bottom: 20px;
  text-align: center;
}

.course-text ul {
  list-style: none;
  padding-left: 89px;
  text-align: left;
}

.course-text ul li {
  margin: 10px 0;
  padding-left: 20px;
  position: relative;
  font-size: 20px;
}

.course-text ul li:before {
  content: '•';
  position: absolute;
  left: 0;
  color: #4B0082;
  font-size: 20px;
}

.enroll-section {
  text-align: center;
  margin-top: 60px;
  padding: 40px 0;
}

.enroll-section p {
  margin-bottom: 30px;
  font-size: 24px;
  font-weight: 600;
}

.enroll-section button, .contact-button {
  padding: 15px 40px;
  background-color: #4B0082;
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.enroll-section button:hover, .contact-button:hover {
  background-color: #6A0DAD;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

/* 进阶培训部分 */
.advanced-training {
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  background-color: #f9f9f9;
  margin: 80px 0;
}

.left-content {
  flex: 1;
  min-width: 300px;
  background-color: #f4f4f4;
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.left-content h2 {
  margin-bottom: 20px;
  font-size: 36px;
  font-weight: 700;
  color: #333;
}

.left-content p {
  margin-bottom: 25px;
  font-size: 22px;
  font-weight: 600;
  color: #555;
}

.left-content ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 30px;
}

.left-content ul li {
  margin-bottom: 15px;
  padding-left: 25px;
  position: relative;
  font-size: 16px;
}

.left-content ul li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #4B0082;
  font-weight: bold;
}

.contact-button {
  width: fit-content;
  margin-top: 30px;
}

.right-content {
  flex: 1;
  min-width: 300px;
}

.right-content img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .course-item {
    width: 100%;
  }
  
  .advanced-training {
    flex-direction: column;
  }
  
  .left-content, .right-content {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .sk_banner .mask h2 {
    font-size: 40px;
  }
  
  .mask p {
    font-size: 18px;
  }
  
  .section-title {
    font-size: 30px;
  }
  
  .course-text h3 {
    font-size: 24px;
  }
  
  .left-content {
    padding: 40px 20px;
  }
  
  .left-content h2 {
    font-size: 30px;
  }
}