/**
 * Exchange (跨网文件安全交换) 2.0 Page Styles
 * 基于组件系统的页面级样式补充
 */

/* ========== Banner 区域 ========== */
.exchange-banner {
  background: linear-gradient(135deg, #e8f4fd 0%, #d4e8fc 50%, #c5dcf8 100%);
  position: relative;
  overflow: hidden;
}

.exchange-banner .banner-desc {
  white-space: pre-line;
}

/* ========== Section 1: 核心数据保护与业务协同的矛盾与挑战 ========== */
.exchange-section1 .section1-cards {
  display: flex;
  justify-content: center;
}

.exchange-section1 .section1-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1280px;
}

.exchange-section1 .section1-card {
  background: #EEF2FA;
  border-radius: 24px;
  padding: 32px 32px 40px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* .exchange-section1 .section1-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(93, 91, 175, 0.15);
} */

.exchange-section1 .section1-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.exchange-section1 .section1-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.exchange-section1 .section1-card-title {
  
  font-size: 24px;
  font-weight: 600;
  color: #101C2F;
  line-height: 1.2;
}

.exchange-section1 .section1-card-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: -8px;
}

.exchange-section1 .section1-card-vs {
  
  font-size: 24px;
  font-weight: 600;
  background: linear-gradient(111deg, #2DD4BF 8%, #2563EB 51%, #F43F5E 92%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.exchange-section1 .section1-card-desc {
  
  font-size: 16px;
  font-weight: 400;
  color: #101C2F;
  line-height: 28px;
  white-space: pre-line;
}

/* ========== Section 2: 多网分级管理 ========== */
.exchange-section2 {
  /* padding: 0 16px; */
  height: 1000px;
}

.exchange-section2 .section-wrap {
  position: relative;
  overflow: visible;
}

/* 背景色样式 */
.exchange-section2 .section-bg-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(100% - 88px);
  z-index: 0;
  /* background: #F7F9FC; */
  /* border-radius: 24px; */
}

.exchange-section2 .section-container {
  position: relative;
  z-index: 1;
  /* padding: 80px 0 0; */
}

.exchange-section2 .section2-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  /* padding: 40px 0 0; */
  /* gap: 24px; */
}

/* PLATFORM 标签样式 */
.exchange-section2 .section2-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  /* token: paint_425:73869 */
  background: linear-gradient(105deg, #2DD4BF -8%, #2563EB 50%, #F43F5E 107%);
  color: #fff;
  
  /* token: font_2:2968 */
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 19px;
}

/* 标题样式 */
.exchange-section2 .section2-title {
  
  /* token: font_2:2573 */
  font-size: 44px;
  font-weight: 600;
  /* token: paint_2:0776 */
  color: #101C2F;
  text-align: center;
  line-height: normal;
  margin-bottom: 20px;
}

/* 描述样式 */
.exchange-section2 .section2-desc {
  
  /* token: font_2:16203 */
  font-size: 20px;
  font-weight: 400;
  line-height: 40px;
  /* token: paint_2:0776 */
  color: #101C2F;
  text-align: center;
  margin-bottom: 40px;
}

.exchange-section2 .section2-content-img {
  max-width: 1280px;
  width: 100%;
  height: auto;
}

/* ========== Section 3/4/5: Media List 布局微调 ========== */
.exchange-section3,
.exchange-section4,
.exchange-section5 {
  background: #fff;
}

/* Section 标题和描述左对齐 */
.exchange-section3 .section-title,
.exchange-section3 .section-desc,
.exchange-section4 .section-title,
.exchange-section4 .section-desc,
.exchange-section5 .section-title,
.exchange-section5 .section-desc {
  text-align: left;
}

.exchange-section3 .media-list,
.exchange-section4 .media-list,
.exchange-section5 .media-list {
  gap: 80px;
}



/* ========== Section 6: 为企业带来更多业务价值 ========== */
.exchange-section6 {
  position: relative;
  overflow: hidden;
}

.exchange-section6 .section-wrap {
  position: relative;
}

.exchange-section6 .section-bg-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.exchange-section6 .section-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.exchange-section6 .section-container {
  position: relative;
  z-index: 1;
}

/* 白色标题和描述 */
.exchange-section6 .section-title,
.exchange-section6 .section-desc {
  color: #fff;
  text-align: center;
}

.exchange-section6 .section6-wrapper {
  display: flex;
  justify-content: center;
  /* padding: 60px 0 0; */
}

.exchange-section6 .section6-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  width: 100%;
}

.exchange-section6 .section6-card {
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.9) 0%, rgba(17, 24, 39, 0.95) 100%);
  /* border: 1px solid rgba(255, 255, 255, 0.1); */
  border-radius: 20px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  /* gap: 16px; */
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

/* .exchange-section6 .section6-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
} */

.exchange-section6 .section6-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.exchange-section6 .section6-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* filter: brightness(0) invert(1); */
}

.exchange-section6 .section6-card-title {
  
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 8px;
}

.exchange-section6 .section6-card-desc {
  
  font-size: 16px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  line-height: 24px;
}

/* ========== Section 7: 案例轮播 ========== */
.exchange-section7 {
  /* background: #FAFBFC; */
}

/* ========== Footer Lead CTA ========== */
.exchange-cta-banner {
  /* padding: 0; */
}

/* ========== Responsive ========== */
@media (max-width: 1280px) {
  .exchange-section1 .section1-row {
    gap: 20px;
  }

  .exchange-section6 .section6-cards {
    gap: 20px;
  }
}

@media (max-width: 1024px) {
  .exchange-section1 .section1-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .exchange-section2 .section-container {
    padding: 60px 0 0;
  }

  .exchange-section2 .section2-wrapper {
    padding: 30px 0 0;
  }

  .exchange-section3 .media-list,
  .exchange-section4 .media-list,
  .exchange-section5 .media-list {
    gap: 40px;
  }

  .exchange-section6 .section6-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .exchange-section6 .section6-card:last-child {
    grid-column: span 2;
    max-width: 50%;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .exchange-section1 .section1-row {
    grid-template-columns: 1fr;
  }

  .exchange-section1 .section1-card {
    padding: 24px 20px 32px;
    gap: 16px;
  }

  .exchange-section1 .section1-card-icon {
    width: 36px;
    height: 36px;
  }

  .exchange-section1 .section1-card-title {
    font-size: 20px;
  }

  .exchange-section1 .section1-card-vs {
    font-size: 20px;
  }

  .exchange-section1 .section1-card-desc {
    font-size: 14px;
    line-height: 24px;
  }

  .exchange-section2 .section-bg-wrap {
    height: calc(100% - 40px);
  }

  .exchange-section2 .section-container {
    padding: 40px 0 0;
  }

  .exchange-section2 .section2-wrapper {
    padding: 24px 0 0;
  }

  .exchange-section2 .section2-title {
    font-size: 32px;
  }

  .exchange-section2 .section2-desc {
    font-size: 18px;
    line-height: 32px;
  }

  .exchange-section2 .section2-content-img {
    max-width: 100%;
  }

  .exchange-section6 .section6-cards {
    grid-template-columns: 1fr;
  }

  .exchange-section6 .section6-card:last-child {
    grid-column: span 1;
    max-width: 100%;
  }

  .exchange-section6 .section6-card {
    padding: 32px 24px;
  }

  .exchange-section6 .section6-card-title {
    font-size: 18px;
  }

  .exchange-section6 .section6-card-desc {
    font-size: 13px;
    line-height: 22px;
  }
}