.main-schemek12 > section {
  width: 100%;
  min-width: 1440px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}

.main-schemek12 > section {
  width: 100%;
  min-width: 1440px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}
.main-schemek12 .container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 0px;
}

/* 顶部背景区域  */
.main-schemek12 .hero-section {
  background: url('../../../img/scheme/bg-k12.png') no-repeat;
  background-blend-mode: normal;
  background-size: 100% 100%;
  height: 350px;
  display: flex;
  align-items: center;
  color: white;
  position: relative;
}

.main-schemek12 .hero-section .container {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  position: relative;
  padding: 0 20px;
}

/* 面包屑导航 */
.main-schemek12 .breadcrumb {
  position: absolute;
  top: -40px;
  right: 40px;
  font-size: 16px;
  color: #ccc;
  z-index: 2;
}

.main-schemek12 .breadcrumb .home-link {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
}

.main-schemek12 .breadcrumb .home-link:hover {
  color: #fff;
}

.main-schemek12 .breadcrumb span {
  color: #fff;
}

.main-schemek12 .hero-section-content {
  width: 100%;
  text-align: center;
}
.main-schemek12 .hero-section-content .news-title {
  height: 54px;
  font-weight: 500;
  font-size: 36px;
  color: #ffffff;
  line-height: 54px;
  text-align: center;
}
.main-schemek12 .hero-section-content .news-description {
  font-size: 20px;
  line-height: 30px;
  width: 884px;
  margin: 36px auto 30px;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
}

.main-schemek12 .hero-section-content .hero-section-line {
  width: 96px;
  height: 2px;
  background: white;
  margin: 0 auto;
}

/* j-content 样式 */
.main-schemek12 .j-content {
  background: #f8f9fa;
  padding: 60px 0;
}

.main-schemek12 .j-content .container {
  width: 1440px;
  margin: 0 auto;
}

.main-schemek12 .j-content .content-wrapper {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

/* 行业痛点和树生优势样式 */
.main-schemek12 .j-content .section {
  flex: 1;
}

.main-schemek12 .j-content .section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 30px;
  color: #333;
}

.main-schemek12 .j-content .feature-list {
  list-style: none;
  padding: 0;
}

.main-schemek12 .j-content .feature-item {
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
}

.main-schemek12 .j-content .feature-icon {
  margin-right: 6px;
  margin-top: -2px;
}

.main-schemek12 .j-content .feature-icon img {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

.main-schemek12 .j-content .feature-text {
  color: #666;
}

/* 方案亮点样式 */
.main-schemek12 .highlights-section {
  padding: 78px 0;
}

.main-schemek12 .highlights-section .container {
  width: 1440px;
  margin: 0 auto;
}

.main-schemek12 .highlights-title {
  height: 42px;
  font-weight: bold;
  font-size: 28px;
  color: #1a1a1a;
  line-height: 42px;
  margin: 0px auto 48px;
  text-align: center;
}

.main-schemek12 .highlights-container {
  display: flex;
  justify-content: center;
  gap: 30px;
}

.main-schemek12 .highlight-card {
  width: 342px;
  background: #fff6f6;
  border-radius: 16px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* 卡片背景数字 */
.main-schemek12 .highlight-card::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 18px;
  font-size: 60px;
  font-weight: bold;
  color: rgba(186, 52, 52, 0.1);
  z-index: 1;
}

/* 第一个卡片 - 01 */
.main-schemek12 .highlight-card:nth-child(1)::before {
  content: '01';
}

/* 第二个卡片 - 02 */
.main-schemek12 .highlight-card:nth-child(2)::before {
  content: '02';
}

/* 第三个卡片 - 03 */
.main-schemek12 .highlight-card:nth-child(3)::before {
  content: '03';
}

/* 第四个卡片 - 04 */
.main-schemek12 .highlight-card:nth-child(4)::before {
  content: '04';
}

/* 确保卡片内容在数字之上 */
.main-schemek12 .highlight-card * {
  position: relative;
  z-index: 2;
}

.main-schemek12 .highlight-card .card-title {
  height: 28px;
  font-weight: bold;
  font-size: 20px;
  color: #ba3434;
  line-height: 28px;
  margin-bottom: 36px;
  text-align: center;
}

.main-schemek12 .highlight-card .card-description {
  width: 278px;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
  text-align: center;
  margin: 0;
}

/* 教学任务重点样式 */
.main-schemek12 .tasks-section {
  padding: 60px 0 0;
}

.main-schemek12 .tasks-section .container {
  width: 1440px;
  margin: 0 auto;
}

.main-schemek12 .tasks-title {
  height: 42px;
  font-weight: bold;
  font-size: 28px;
  color: #1a1a1a;
  line-height: 42px;
  margin-bottom: 48px;
  text-align: center;
}

.main-schemek12 .tasks-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.main-schemek12 .task-card {
  width: 464px;
  height: 324px;
  background: #ffffff;
  box-shadow: 0px 4px 8px 0px rgba(34, 5, 5, 0.1);
  border-radius: 8px 8px 8px 8px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.main-schemek12 .task-icon {
  margin-bottom: 24px;
}

.main-schemek12 .task-icon img {
  width: 96px;
  height: 96px;
}

.main-schemek12 .task-card-title {
  height: 28px;
  font-weight: bold;
  font-size: 20px;
  color: #333333;
  line-height: 28px;
  margin-bottom: 24px;
  text-align: center;
}

.main-schemek12 .task-card-description {
  width: 384px;
  height: 96px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
  text-align: center;
  font-style: normal;
  text-transform: none;
  margin: 0;
}

/* 联系我们样式 */
.main-schemek12 .contact-section {
  background: #f5f5f5;
  padding: 64px 0;
  margin-top: 0px;
}

.main-schemek12 .contact-section .container {
  width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.main-schemek12 .contact-title {
  height: 42px;
  font-weight: bold;
  font-size: 28px;
  color: #1a1a1a;
  line-height: 42px;
  margin-bottom: 48px;
  align-self: center;
}

.main-schemek12 .contact-description {
  width: 762px;
  height: 48px;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
  text-align: center;
  margin-bottom: 24px;
}

.main-schemek12 .contact-content {
  margin-bottom: 28px;
  display: flex;
  justify-content: center;
  gap: 50px;
}

.main-schemek12 .qrcode-section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.main-schemek12 .qrcode {
  width: 158px;
  height: 158px;
  margin-bottom: 12px;
}

.main-schemek12 .qrcode-text {
  height: 22px;
  font-weight: 400;
  font-size: 14px;
  color: #666666;
  line-height: 22px;
  text-align: center;
}

.main-schemek12 .btn-contact {
  display: inline-block;
  padding: 16px 48px;
  background: linear-gradient(to right, #ba3434, #942626);
  color: #fff;
  cursor: pointer;
  color: white;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 48px;
  transition: background-color 0.3s ease;
}