/* Hero Banner Section - 与医药品牌O2O投放页面保持一致 */
.hero {
  min-height: 60vh;
  position: relative;
  background-image: url("../img/bg7.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 134, 234, 0.2);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

/* Challenges Section */
#challenges .section-title {
  padding-bottom: 0;
  margin-bottom: 60px;
}

#challenges .section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 12px;
}

#challenges .section-title p {
  margin: 0;
}

#challenges {
  padding: 60px 0;
}



.challenge-container {
  position: relative;
  margin-top: 0;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 20px;
  position: relative;
 
}

.challenge-image-wrapper {
  grid-column: 2;
  grid-row: 1 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.challenge-circle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 390px;
  z-index: 1;
}

.challenge-circle img {
  width: 280px; height: 280px; 
  object-fit: cover; 
  border-radius: 50%; 
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
}



.challenge-circle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 350px;
  height: 350px;
  border: 2px dashed rgba(31, 123, 255, 0.3);
  border-radius: 50%;
  z-index: 0;
  background: transparent;
  transform: translate(-50%, -50%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.challenge-circle::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(31, 123, 255, 0.1);
  border-radius: 50%;
  z-index: -1;
  background-image: radial-gradient(circle at 30% 30%, rgba(31, 123, 255, 0.1) 0%, transparent 50%);
}

.challenge-circle .circle-center {
  position: relative;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
  z-index: 2;
  overflow: hidden;
}

.challenge-circle .circle-icon {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
}

.challenge-circle .circle-icon svg {
  width: 100px;
  height: 100px;
}

.challenge-circle .circle-center h4 {
  position: relative;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  margin: 0;
  padding: 0 20px;
  z-index: 1;
  color: #ffffff;
}

.challenge-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 14px 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.1s ease;
  text-align: left;
  /* border: 1px solid #e6f0ff; */
  min-height: 60px;
  position: relative;
  z-index: 2;
  max-width: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.challenge-card::before {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}

.challenge-card-1 {
  grid-column: 1;
  grid-row: 1;
  align-self: end;
  justify-self: end;
  transform: translateX(60px) translateY(35px);
  --translate-x: 20px;
}

.challenge-card-1::before {
  right: -12px;
  border-left: 12px solid #ffffff;
}

.challenge-card-2 {
  grid-column: 1;
  grid-row: 3;
  align-self: start;
  justify-self: end;
  transform: translateX(20px) translateY(-41px);
  --translate-x: 20px;
}

.challenge-card-2::before {
  right: -12px;
  border-left: 12px solid #ffffff;
}

.challenge-card-3 {
  grid-column: 3;
  grid-row: 1;
  align-self: end;
  justify-self: start;
  transform: translateX(-60px) translateY(35px);
  --translate-x: -20px;
}

.challenge-card-3::before {
  left: -12px;
  border-right: 12px solid #ffffff;
}

.challenge-card-4 {
  grid-column: 3;
  grid-row: 2;
  align-self: center;
  justify-self: start;
  transform: translateX(-20px) translateY(50px);
  --translate-x: -20px;
}

.challenge-card-4::before {
  left: -12px;
  border-right: 12px solid #ffffff;
}

.challenge-card-5 {
  grid-column: 3;
  grid-row: 3;
  align-self: start;
  justify-self: start;
  transform: translateX(-40px) translateY(65px);
  --translate-x: -20px;
}

.challenge-card-5::before {
  left: -12px;
  border-right: 12px solid #ffffff;
}

.challenge-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  /* border-color: var(--accent-color); */
}

.challenge-card-1:hover {
  transform: translateX(55px) translateY(25px);
}

.challenge-card-2:hover {
  transform: translateX(15px) translateY(-51px);
}

.challenge-card-3:hover {
  transform: translateX(-55px) translateY(25px);
}

.challenge-card-4:hover {
  transform: translateX(-15px) translateY(40px);
}

.challenge-card-5:hover {
  transform: translateX(-35px) translateY(55px);
}

.challenge-card-6 {
  grid-column: 1;
  grid-row: 4;
  align-self: start;
  justify-self: end;
  transform: translateX(40px) translateY(-37px);
  --translate-x: 20px;
}

.challenge-card-6::before {
  right: -12px;
  border-left: 12px solid #ffffff;
}

.challenge-card-6:hover {
  transform: translateX(35px) translateY(-47px);
}



.challenge-card-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
  height: 100%;
}

.challenge-card h4 {
  font-size: 14px;
  font-weight: 600;
  color: #333333;
  margin: 0;
  white-space: nowrap;
}

.challenge-card p {
  font-size: 14px;
  color: #666666;
  margin: 0;
  line-height: 1.4;
  white-space: nowrap;
}

/* Advantages Section */
#advantages {
  padding: 60px 0;
}

#advantages .section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 12px;
}

#advantages .section-title p {
  margin: 0;
}


.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

/* 响应式布局 */
@media (max-width: 1200px) {
  .cooperation-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

#advantages .cooperation-card {
  position: relative;
  transition: all 0.3s ease;
  border-radius: 8px;
  padding: 30px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  overflow: hidden;
  /* border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%); */
}

#advantages .cooperation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color), color-mix(in srgb, var(--accent-color), transparent 50%));
  transition: left 0.3s ease;
}

#advantages .cooperation-card:hover::before {
  left: 0;
}

#advantages .cooperation-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
  /* border-color: var(--accent-color); */
}

.card-icon {
  width: 60px;
  height: 60px;
}

#advantages .card-icon {
  margin-bottom: 20px;
  font-size: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin: 0 auto 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

#advantages .cooperation-card:nth-child(1) .card-icon {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

#advantages .cooperation-card:nth-child(2) .card-icon {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

#advantages .cooperation-card:nth-child(3) .card-icon {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

#advantages .cooperation-card:nth-child(4) .card-icon {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

#advantages .cooperation-card:nth-child(5) .card-icon {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

#advantages .cooperation-card:nth-child(6) .card-icon {
  background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
}



.cooperation-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--heading-color);
  text-align: center;
}

#advantages .cooperation-card h3 {
  margin-bottom: 15px;
  font-size: 18px;
  font-weight: 600;
  color: #333;
}

.cooperation-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #666;
  text-align: center;
}

/* Responsive Design for Advantages Section */
@media (max-width: 992px) {

}

@media (max-width: 768px) {
  #advantages {
    padding: 60px 0;
  }

  #advantages .cooperation-card {
    padding: 24px;
  }

  #advantages .cooperation-card h3 {
    font-size: 16px;
  }

  #advantages .cooperation-card p {
    font-size: 13px;
  }

  #advantages .card-icon {
    font-size: 20px;
    margin-bottom: 16px;
  }
}

/* Cooperation Mode Section */
section#cooperation-mode.section {
  /* background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%) !important; */
  /* padding: 60px 0 !important; */
}


.mode-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 40px 30px;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.03);
  transition: all 0.4s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
  border: none;
  text-align: center;
  color: var(--heading-color);
}

.commission-mode {
  background: #ffffff;
}

.profit-mode {
  background: #ffffff;
}

.mode-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 1;
}


.mode-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.mode-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: #4facfe;
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.mode-icon i {
  font-size: 28px;
  color: #ffffff;
}

.mode-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0 0 15px;
  text-align: center;
}

.mode-card p {
  font-size: 16px;
  color: var(--default-color);
  line-height: 1.6;
  margin: 0;
  text-align: center;
}

/* Middle Image */
.mode-image {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 50px;
  aspect-ratio: 1;
  position: relative;
}

.mode-image .base-image {
  width: 60%;
  height: 60%;
  border-radius: 50%;
  object-fit: cover;
  /* box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); */
  /* border: 3px solid white; */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.mode-image .rotating-image {
  width: 80%;
  height: 80%;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: none;
  border: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

#cooperation-mode .section-title{
  padding-bottom: 10px;
}

#cooperation-mode{
  padding-bottom: 10px;
}

/* Responsive Design for Cooperation Mode */
@media (max-width: 991px) {
  .mode-icon {
    width: 50px;
    height: 50px;
  }
  
  .mode-icon i {
    font-size: 24px;
  }
  
  .mode-card h3 {
    font-size: 20px;
  }
  
  .mode-card p {
    font-size: 14px;
  }
  
}

@media (max-width: 768px) {
  .mode-icon {
    width: 45px;
    height: 45px;
    margin-bottom: 16px;
  }
  
  .mode-icon i {
    font-size: 20px;
  }
  #challenges .section-title {
    padding-bottom: 0;
    margin-bottom: 22px;
}
  #cooperation-mode {
    padding-bottom: 60px;
}
  
  .mode-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
  }
  
  .mode-card p {
    font-size: 13px;
  }
  
  .mode-image {
    padding: 15px;
    margin: 20px 0;
  }
  
}

/* Success Cases Section */
.case-item {
  margin-top: 0px;
}

.case-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

/* 第一个案例卡片 - 蓝色 */
.case-item:nth-child(1) .case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-item:nth-child(1) .case-card:hover::before {
  opacity: 1;
}

.case-item:nth-child(1) .case-icon {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.case-item:nth-child(1) .case-icon::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  z-index: -1;
  opacity: 0.1;
}

.case-item:nth-child(1) .case-icon i {
  font-size: 36px;
  color: #3b82f6;
}

.case-item:nth-child(1) .case-info {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

/* 第二个案例卡片 - 绿色 */
.case-item:nth-child(2) .case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, #43e97b, #38f9d7);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-item:nth-child(2) .case-card:hover::before {
  opacity: 1;
}

.case-item:nth-child(2) .case-icon {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.case-item:nth-child(2) .case-icon::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, #43e97b, #38f9d7);
  z-index: -1;
  opacity: 0.1;
}

.case-item:nth-child(2) .case-icon i {
  font-size: 36px;
  color: #43e97b;
}

.case-item:nth-child(2) .case-info {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

/* 第三个案例卡片 - 黑色/灰色 */
.case-item:nth-child(3) .case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-item:nth-child(3) .case-card:hover::before {
  opacity: 1;
}

.case-item:nth-child(3) .case-icon {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.case-item:nth-child(3) .case-icon::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  z-index: -1;
  opacity: 0.1;
}

.case-item:nth-child(3) .case-icon i {
  font-size: 36px;
  color: #4f46e5;
}

.case-item:nth-child(3) .case-info {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.case-icon-wrapper {
  padding: 40px 30px 20px;
  text-align: center;
}

.case-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.case-content {
  padding: 20px 30px 30px;
}

.case-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0 0 20px 0;
  text-align: center;
  line-height: 1.4;
}

.case-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}

.info-label {
  font-size: 14px;
  color: #666666;
  font-weight: 500;
}

.info-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-color);
}

.case-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, #e0e0e0, transparent);
  margin: 20px 0;
}

.case-achievements {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #fafafa;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.achievement-item:hover {
  background: #f5f5f5;
  transform: translateX(5px);
}

.achievement-icon {
  width: 36px;
  height: 36px;
  background: #4facfe;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.achievement-icon i {
  font-size: 16px;
  color: #ffffff;
}

.achievement-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.achievement-label {
  font-size: 12px;
  color: #999999;
  font-weight: 500;
}

.achievement-value {
  font-size: 15px;
  color: var(--heading-color);
  font-weight: 700;
}



/* Success Cases Section Title */
#success-cases .section-title h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 10px;
}

#success-cases .section-title p {
  font-size: 16px;
  color: #999999;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 991px) {
  #challenges .section-title h2,
  #advantages .section-title h2 {
    font-size: 28px;
  }

  #challenges .section-title p,
  #advantages .section-title p {
    font-size: 16px;
  }

  #challenges {
    padding: 60px 0;
  }

  .challenge-card {
    padding: 14px 20px;
    min-height: 60px;
    max-width: 280px;
  }

  .challenge-card-content {
    gap: 12px;
  }

  .challenge-card h4 {
    font-size: 14px;
  }

  .challenge-card p {
    font-size: 13px;
    white-space: nowrap;
  }

  /* Tablet Layout for Challenges */
  .challenge-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
  }

  .challenge-image-wrapper {
    grid-column: 2;
    grid-row: 1 / 5;
  }

  .challenge-image img {
    max-width: 150px;
    height: auto;
  }

  .challenge-card::before {
    display: none;
  }

  .cooperation-mode-content {
    margin-top: 50px;
  }

  .mode-card {
    padding: 30px 25px;
  }



  .advantage-item {
    padding: 40px 25px;
  }

  .advantage-icon {
    width: 70px;
    height: 70px;
  }

  .advantage-icon i {
    font-size: 32px;
  }

  .advantage-content h4 {
    font-size: 20px;
  }

  .advantage-content p {
    font-size: 14px;
  }

  .advantages-list .row {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  #challenges .section-title h2,
  #advantages .section-title h2 {
    font-size: 24px;
  }

  #challenges .section-title p,
  #advantages .section-title p {
    font-size: 15px;
  }

  #challenges {
    padding: 60px 0;
  }

  .challenge-description {
    font-size: 14px;
    margin-bottom: 25px;
  }

  /* Responsive Design for Challenge Circle */
  .challenge-circle {
    height: 330px;
  }
  
  .challenge-circle img {
      width: 220px; height: 220px; 
      object-fit: cover; 
      border-radius: 50%; 
      box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
  }
  .challenge-circle::before {
    width: 280px;
    height: 280px;
    border: 2px dashed rgba(31, 123, 255, 0.3);
  }
  
  .challenge-circle::after {
    width: 320px;
    height: 320px;
    border: 1px solid rgba(31, 123, 255, 0.1);
    background-image: radial-gradient(circle at 30% 30%, rgba(31, 123, 255, 0.1) 0%, transparent 50%);
  }
  
  .challenge-circle .circle-center {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    box-shadow: 0 15px 45px rgba(59, 130, 246, 0.3);
  }
  
  .challenge-circle .circle-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 10px;
  }
  
  .challenge-circle .circle-icon svg {
    width: 60px;
    height: 60px;
  }
  
  .challenge-circle .circle-center h4 {
    font-size: 16px;
    color: #ffffff;
  }

  .challenge-card {
    padding: 12px 18px;
    min-height: 56px;
    max-width: 240px;
    justify-content: flex-start;
    text-align: left;
  }

  .challenge-card-content {
    gap: 10px;
    justify-content: flex-start;
    text-align: left;
  }

  .challenge-card h4 {
    font-size: 13px;
  }

  .challenge-card p {
    font-size: 12px;
  }

  /* Mobile Layout for Challenges */
  .challenge-grid {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 25px;
  }

  .challenge-image-wrapper {
    grid-column: unset;
    grid-row: unset;
    order: 1;
    margin: 60px 0;
    display: flex;
    justify-content: center;
  }

  .challenge-image img {
    max-width: 280px;
    height: auto;
    border-radius: 12px;
  }

  .challenge-card {
    grid-column: unset;
    grid-row: unset;
    transform: none !important;
    justify-self: stretch;
    align-self: stretch;
    max-width: 100%;
    width: 100%;
    order: 2;
  }

  .challenge-card-content {
    width: 100%;
  }

  .challenge-card::before {
    display: none;
  }

  .challenge-card-1 {
    order: 2;
  }

  .challenge-card-2 {
    order: 3;
  }

  .challenge-card-3 {
    order: 4;
  }

  .challenge-card-4 {
    order: 5;
  }

  .challenge-card-5 {
    order: 6;
  }
}

@media (max-width: 576px) {
  /* Responsive Design for Challenge Circle */
  .challenge-circle {
    height: 230px;
  }
  
  
  .challenge-circle .circle-center {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
  }
  
  .challenge-circle .circle-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
  }
  
  .challenge-circle .circle-icon svg {
    width: 50px;
    height: 50px;
  }
  
  .challenge-circle .circle-center h4 {
    font-size: 14px;
    color: #ffffff;
  }

  .advantage-item {
    padding: 30px 20px;
  }

  .advantage-icon {
    width: 60px;
    height: 60px;
  }

  .advantage-icon i {
    font-size: 28px;
  }

  .advantage-content h4 {
    font-size: 18px;
  }

  .advantage-content p {
    font-size: 13px;
  }

  .advantages-list .row {
    gap: 15px;
  }



  .case-item {
    margin-bottom: 25px;
  }

  .case-item:last-child {
    margin-bottom: 0;
  }

  .case-card {
    margin-bottom: 0;
  }
}

/* CTA Section */
.cta-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

/* Mobile Styles for CTA */
@media (max-width: 768px) {
  .cta-title {
    font-size: 20px;
    line-height: 1.3;
    max-width: 100%;
    margin: 0 auto 20px;
  }
}
@media (max-width: 1199px) {
  .container, .container-sm {
    max-width: 100%;
  }
  #cooperation-mode {
    padding-bottom: 60px;
    }
  .case-item {
    margin-bottom: 25px;
  }
  .case-item:last-child {
    margin-bottom: 0;
  }
}

.cta-section {
   background-image: linear-gradient(rgb(241 244 252), rgb(255 255 255 / 68%)), url(../img/bg6.jpg);

}