body {
  font-family: "PingFang SC", "Noto Sans SC", "SimSun", "Microsoft YaHei", Arial, sans-serif !important;
}
.carousel-indicator {
  width: 40px;
  height: 4px;
  border-radius: 0px;
  -webkit-border-radius: 0px;
  -moz-border-radius: 0px;
  -ms-border-radius: 0px;
  -o-border-radius: 0px;
}
.carousel-indicators{
  margin: auto 0;
}
.envelope {
  position: relative;
  max-width: 1200px;
  aspect-ratio: 4 / 3;
}

.slogan_1 {
  position: absolute;
  z-index: 3;
  top: -80px;
  animation: float 3s ease-in infinite;
  -webkit-animation: float 3s ease-in infinite;
}
.slogan_2 {
  color: #999;
  text-align: right;
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  margin-top: 10px;
}
.logo-box {
  position: absolute;
  z-index: 3;
  top: 60px;
  right: 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.logo {
  width: 180px;
  height: 88px;
  flex-shrink: 0;
  aspect-ratio: 45/22;
}
/* 背景信封：两层叠放 */
.envelope-behind {
  background-image: url("../img/envelope_behind.svg");
  background-repeat: no-repeat;
  background-size: contain;
  position: absolute;
  z-index: 1;
  width: 104%;
  height: 100%;
  transform: rotate(-2deg) translate(-8px, -8px);
  -webkit-transform: rotate(-2deg) translate(-8px, -8px);
  -moz-transform: rotate(-2deg) translate(-8px, -8px);
  -ms-transform: rotate(-2deg) translate(-8px, -8px);
  -o-transform: rotate(-2deg) translate(-8px, -8px);
}

.envelope-content {
  /* width: 78%; */
  height: 90%;
  background-image: url("../img/envelope_front.svg");
  position: relative;
  z-index: 2;
  padding: 3.125rem;
  text-align: left;
  color: #333;
  line-height: 1.8;
  background-repeat: no-repeat;
  background-size: cover;
}

.envelope-content h3 {
  font-size: 40px;
  text-align: left;
  margin-bottom: 20px;
}
.envelope-content {
  line-height: 42px;
  font-size: 18px;
}
.envelope-content p {
  height: 50px;
  line-height: 50px;
  margin-bottom: 0;
  border-bottom: 1px dashed #d9d9d9;
}

.highlight {
  color: #d17a22;
  font-weight: 600;
}

.highlight-2 {
  color: #005BAC;
  font-weight: 600;
}

/* 响应式适配 */
@media (max-width: 1200px) {
  .envelope-content {
    padding: 40px;
  }
}

@media (max-width: 900px) {
  .envelope-content {
    padding: 30px;
    font-size: 0.95rem;
  }
}

/* 浮动动画（可选） */
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* 发布会模块样式 */
.release-section {
  position: relative;
}

.release-header {
  text-align: left;
}


/* 发布会内容区域 */
.release-content {
  position: relative;
  display: flex;
  gap: 40px;
  align-items: stretch;
}

/* 时间线样式 */
.timeline-wrapper {
  position: relative;
  flex-shrink: 0;
  width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  min-height: 400px;
}

.timeline-year{
  width: 80px;
  height: 40px;
  flex-shrink: 0;
  text-align: center;
  line-height: 40px;
  color: #FFF;
  font-size: 24px;
  font-style: normal;
  font-weight: 500;
  background: #005BAC;
}

.timeline-line {
  width: 2px;
  background: linear-gradient(to bottom, #D9D9D9, rgba(0, 91, 172, 0.3));
  flex: 1;
  min-height: 200px;
  position: relative;
}

.timeline-dot {
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  border: 3px solid #005BAC;
  box-shadow: 0 2px 8px rgba(0, 91, 172, 0.3);
  z-index: 2;
}

.timeline-number {
  position: absolute;
  top: -8px;
  left: 24px;
  white-space: nowrap;
  color: #333;
  font-size: 16px;
  font-weight: 500;
  z-index: 3;
}

/* 主要内容区域 - 左右对称布局 */
.release-main {
  padding-top: 80px;
  flex: 1;
  display: flex;
  flex-direction: row;
  gap: 40px;
  align-items: stretch;
}

/* 发布会图片 - 左侧 */
.release-image-wrapper {
  flex: 1;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.release-image {
  width: 100%;
  height: 100%;
  min-height: 400px;
  display: block;
  object-fit: cover;
}

.release-image-placeholder {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
  font-size: 18px;
}

/* 文字描述区域 - 右侧 */
.release-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 0 0 20px;
}

.release-title {
  font-size: 32px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
}

.release-description {
  font-size: 18px;
  line-height: 1.8;
  color: #666;
  margin-bottom: 30px;
  text-align: justify;
}

/* 了解更多按钮 */
.learn-more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 64px;
  flex-shrink: 0;
  padding: 0;
  border: 1px solid #005BAC;
  border-radius: 0;
  background: white;
  color: #005BAC;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.learn-more-btn:hover {
  background: #005BAC;
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 91, 172, 0.3);
}

.learn-more-btn:active {
  transform: translateY(0);
}

/* 响应式适配 */
@media (max-width: 1200px) {
  .release-content {
    gap: 30px;
  }
  
  .timeline-wrapper {
    width: 60px;
  }
}

@media (max-width: 768px) {
  .release-section {
    margin-top: 80px;
    margin-bottom: 60px;
  }
  
  .release-header h2 {
    font-size: 36px !important;
  }
  
  .badge-circle {
    width: 40px;
    height: 40px;
    font-size: 20px;
    line-height: 40px;
    margin-left: 10px;
  }
  
  .release-content {
    flex-direction: column;
    gap: 20px;
  }
  
  .release-main {
    flex-direction: column;
    gap: 30px;
  }
  
  .release-image-wrapper {
    min-height: 300px;
  }
  
  .release-text {
    padding: 0;
  }
  
  .timeline-wrapper {
    width: 100%;
    height: 60px;
    flex-direction: row;
    align-items: center;
    margin-bottom: 20px;
  }
  
  .timeline-line {
    width: 100%;
    height: 2px;
    min-height: 0;
  }
  
  .timeline-dot {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
  }
  
  .timeline-number {
    top: 50%;
    left: 24px;
    transform: translateY(-50%);
  }
  
  .release-title {
    font-size: 24px;
  }
  
  .release-description {
    font-size: 16px;
  }
}