/* Hero Banner Section */
.hero {
  min-height: 60vh;
  position: relative;
  background-image: url("../img/bg2.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;
}

/* Service Value Section */
#service-value .section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 12px;
}

#service-value .section-title p {
  font-size: 14px;
  /* color: #999999; */
  margin: 0;
}

.value-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 35px 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
}

/* .value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--accent-color), #4a90e2);
  z-index: 1;
} */

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

.value-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f8f9ff 0%, #e8f0ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  position: relative;
}

.value-icon::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  /* background: linear-gradient(135deg, var(--accent-color), #4a90e2); */
  z-index: -1;
  opacity: 0.1;
}

.value-icon i {
  font-size: 32px;
  color: var(--accent-color);
}

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

.value-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, #e0e0e0, transparent);
  margin: 20px 0;
}

.value-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.value-features .feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.value-features .feature-item:hover {
  background: linear-gradient(135deg, #f0f0f0 0%, #ebebeb 100%);
  transform: translateX(5px);
}

.value-features .feature-item i {
  font-size: 18px;
  color: #4caf50;
  flex-shrink: 0;
}

.value-features .feature-item span {
  font-size: 14px;
  color: var(--default-color);
  font-weight: 500;
}

/* BI Agent Section */
#bi-agent {
  /* background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%); */
}

.bi-agent-wrapper {
  /* padding: 60px 0; */
}

.bi-agent-content .section-title {
  text-align: center;
}

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

.bi-agent-content .section-title p {
  font-size: 14px;
}

.bi-agent-description {
  margin-bottom: 40px;
}

.bi-agent-description p {
  font-size: 16px;
  color: var(--default-color);
  line-height: 1.8;
  margin: 0;
}

.bi-agent-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 20px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: #4facfe;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon i {
  font-size: 24px;
  color: #ffffff;
}

.feature-text {
  flex: 1;
}

.feature-text h5 {
  font-size: 16px;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0 0 6px 0;
}

.feature-text p {
  font-size: 13px;
  color: #999999;
  margin: 0;
  line-height: 1.5;
}

/* BI Agent Visual */
.bi-agent-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  /* padding: 30px; */
  overflow: hidden;
}

.visual-image,
.stacked-image {
  position: absolute;
  width: 70%;
  max-width: 450px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* 从右到左层叠效果 */
.stacked-1 {
  z-index: 4;
  transform: translateX(0) translateY(20px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
}

.visual-image {
  z-index: 3;
  transform: translateX(30px) translateY(0);
  opacity: 0.85;
}

.stacked-2 {
  z-index: 2;
  transform: translateX(60px) translateY(-20px);
  opacity: 0.65;
}

.stacked-3 {
  z-index: 1;
  transform: translateX(90px) translateY(-40px);
  opacity: 0.45;
}

/* 悬停交互效果已移除 */

/* 响应式调整 */
@media (max-width: 991px) {
  .bi-agent-visual {
    min-height: 300px;
  }
  
  .visual-image,
  .stacked-image {
    width: 75%;
    max-width: 400px;
  }
  
  .stacked-1 {
    transform: translateX(0) translateY(20px);
  }
  
  .visual-image {
    transform: translateX(20px) translateY(0);
  }
  
  .stacked-2 {
    transform: translateX(40px) translateY(-20px);
  }
  
  .stacked-3 {
    transform: translateX(60px) translateY(-40px);
  }
}

@media (max-width: 768px) {
  .bi-agent-visual {
    min-height: 450px;
  }
  
  .visual-image,
  .stacked-image {
    width: 80%;
    max-width: 350px;
  }
  
  .stacked-1 {
    transform: translateX(0) translateY(15px);
  }
  
  .visual-image {
    transform: translateX(15px) translateY(0);
  }
  
  .stacked-2 {
    transform: translateX(30px) translateY(-15px);
  }
  
  .stacked-3 {
    transform: translateX(45px) translateY(-30px);
  }
}

@media (max-width: 576px) {
  .bi-agent-visual {
    min-height: 200px;
    padding: 20px;
  }
  
  .visual-image,
  .stacked-image {
    width: 90%;
    max-width: 280px;
  }
  
  /* 移动端简化层叠效果 */
  .stacked-1 {
    transform: translateX(0) translateY(10px);
  }
  
  .visual-image {
    transform: translateX(10px) translateY(0);
  }
  
  .stacked-2 {
    transform: translateX(20px) translateY(-10px);
  }
  
  .stacked-3 {
    transform: translateX(30px) translateY(-20px);
  }
}

/* Responsive adjustments */
@media (max-width: 991px) {
  #service-value .section-title h2 {
    font-size: 28px;
  }

  #service-value .section-title p {
    font-size: 16px;
  }

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

  .value-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
  }

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

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

  .bi-agent-wrapper {
    /* padding: 40px 0; */
  }

  .bi-agent-content .section-title h2 {
    font-size: 28px;
  }

  .bi-agent-content .section-title p {
    font-size: 16px;
  }

  .bi-agent-description p {
    font-size: 15px;
  }

  .bi-agent-features {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .bi-agent-visual {
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  #service-value .section-title h2 {
    font-size: 18px;
    word-break: keep-all;
  }

  #service-value .section-title p {
    font-size: 15px;
  }
  
  .value-card {
    padding: 30px 25px;
    margin-bottom: 20px;
  }

  .value-card:last-child {
    margin-bottom: 0;
  }

  .value-icon {
    width: 70px;
    height: 70px;
    margin: 0;
    margin-bottom: 20px;
  }

  .value-icon i {
    font-size: 30px;
  }

  .value-content h4 {
    font-size: 18px;
    margin-bottom: 15px;
  }

  .value-divider {
    margin: 15px auto;
    width: 80%;
  }

  .value-features {
    align-items: flex-start;
    text-align: left;
  }

  .value-features .feature-item {
    padding: 12px 15px;
    gap: 12px;
    border-radius: 10px;
  }

  .value-features .feature-item i {
    font-size: 18px;
  }

  .value-features .feature-item span {
    font-size: 14px;
    line-height: 1.5;
  }

  .bi-agent-wrapper {
    /* padding: 30px 0; */
  }

  .bi-agent-content .section-title h2 {
    font-size: 24px;
  }

  .bi-agent-content .section-title p {
    font-size: 15px;
    /* margin-bottom: 20px; */
  }

  .bi-agent-description p {
    font-size: 14px;
  }

  .bi-agent-features {
    gap: 12px;
  }

  .feature-card {
    padding: 15px;
    gap: 12px;
  }

  .feature-icon {
    width: 45px;
    height: 45px;
  }

  .feature-icon i {
    font-size: 22px;
  }

  .feature-text h5 {
    font-size: 15px;
  }

  .feature-text p {
    font-size: 12px;
  }

  .bi-agent-visual {
    margin-top: 30px;
    /* padding: 10px; */
  }

  .visual-image {
    /* max-width: 100%; */
  }
}



/* Market Data Analysis Service Section */
#market-data-analysis {
    padding: 60px 0;
}

.market-analysis-content {
    position: relative;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
    position: relative;
}

.analysis-item {
    position: relative;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.analysis-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.analysis-item.industry-analysis {
    background: linear-gradient(135deg, #1f7bff 0%, #63a4ff 100%);
    color: #ffffff;
}

.analysis-item.category-analysis {
    background: linear-gradient(135deg, #ff7e5f 0%, #feb47b 100%);
    color: #ffffff;
}

.analysis-item.sales-analysis {
    background: linear-gradient(135deg, #ff7e5f 0%, #feb47b 100%);
    color: #ffffff;
}

.analysis-item.region-analysis {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #ffffff;
}

.analysis-item h4 {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 15px 0;
    color: #ffffff;
}

.analysis-item p {
    margin: 0;
    line-height: 1.6;
    font-size: 14px;
    overflow: hidden;
}

.analysis-footer {
    text-align: center;
    padding: 50px 30px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}



.analysis-footer p {
    margin: 0;
    line-height: 1.8;
    color: var(--default-color);
    font-size: 16px;
}

/* E-commerce Data Solution Section */
#ecommerce-data-solution {
    padding: 60px 0 20px 0;
}
#ecommerce-data-solution .section-title{
    padding-bottom: 0px;
}

.solution-circle {
    position: relative;
    width: 100%;
    max-width: 1100px;
    height: 450px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-circle::before {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    border: 2px dashed rgba(79, 172, 254, 0.3);
    border-radius: 50%;
    z-index: 0;
}

.circle-center {
    position: relative;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f0f4ff 0%, #e0e8ff 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--heading-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    z-index: 2;
    overflow: hidden;
}

.circle-center::before {
    content: '';
    position: relative;
    width: 120px;
    height: 120px;
    background: url('../img/dshj.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-bottom: 20px;
}

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

.solution-items {
    position: absolute;
    width: 83%;
    height: 95%;
    max-width: 1000px;
    z-index: 1;
}

.solution-item {
    position: absolute;
    width: 350px;
    display: flex;
    align-items: center;
    z-index: 1;
}

.solution-item.market-research {
    top: 15%;
    left: 0;
    justify-content: flex-start;
}

.solution-item.competitor-analysis {
    top: 15%;
    right: 0;
    justify-content: flex-end;
}

.solution-item.price-monitoring {
    bottom: 15%;
    left: 0;
    justify-content: flex-start;
}

.solution-item.channel-control {
    bottom: 15%;
    right: 0;
    justify-content: flex-end;
}

.item-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #4facfe;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(49, 130, 206, 0.3);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.item-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(49, 130, 206, 0.4);
}

.solution-item.market-research .item-icon,
.solution-item.price-monitoring .item-icon {
    margin-left: 15px;
}

.solution-item.market-research,
.solution-item.price-monitoring {
    flex-direction: row-reverse;
}

.solution-item.competitor-analysis .item-icon,
.solution-item.channel-control .item-icon {
    margin-right: 15px;
}

.item-content {
    flex: 1;
    max-width: 320px;
}

.solution-item.market-research .item-content,
.solution-item.price-monitoring .item-content {
    text-align: right;
}

.solution-item.competitor-analysis .item-content,
.solution-item.channel-control .item-content {
    text-align: left;
}

.solution-item h5 {
    font-size: 16px;
    font-weight: 700;
    color: #0f86ea;
    margin: 0 0 8px 0;
}

.solution-item p {
    margin: 0;
    line-height: 1.6;
    color: var(--default-color);
    font-size: 13px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .solution-circle {
        height: 450px;
    }
    
    .solution-circle::before {
        width: 380px;
        height: 380px;
    }
    
    .circle-center {
        width: 220px;
        height: 220px;
    }
    
    .circle-center::before {
        width: 100px;
        height: 100px;
    }
    

    .circle-center h4 {
        font-size: 16px;
    }
    
    .solution-items {
        max-width: 900px;
    }
    
    .solution-item {
        width: 280px;
    }
    
    .item-icon {
        width: 55px;
        height: 55px;
        font-size: 18px;
    }
    
    .item-content {
        max-width: 200px;
    }
    
    .solution-item h5 {
        font-size: 15px;
    }
    
    .solution-item p {
        font-size: 12px;
    }
}

@media (max-width: 992px) {
    .solution-circle {
        height: 400px;
    }
    
    .solution-circle::before {
        width: 320px;
        height: 320px;
    }
    
    .circle-center {
        width: 200px;
        height: 200px;
    }
    
    .circle-center::before {
        width: 90px;
        height: 90px;
    }
    
    .circle-center h4 {
        font-size: 14px;
    }
    
    .solution-items {
        max-width: 750px;
    }
    
    .solution-item {
        width: 220px;
    }
    
    .solution-item.market-research {
        top: 10%;
        left: 0;
    }
    
    .solution-item.competitor-analysis {
        top: 10%;
        right: 0;
    }
    
    .solution-item.price-monitoring {
        bottom: 10%;
        left: 0;
    }
    
    .solution-item.channel-control {
        bottom: 10%;
        right: 0;
    }
    
    .item-icon {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
    
    .solution-item.market-research .item-icon,
    .solution-item.price-monitoring .item-icon {
        margin-left: 10px;
    }
    
    .solution-item.competitor-analysis .item-icon,
    .solution-item.channel-control .item-icon {
        margin-right: 10px;
    }
    
    .item-content {
        max-width: 160px;
    }
    
    .solution-item h5 {
        font-size: 14px;
    }
    
    .solution-item p {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    #ecommerce-data-solution .section-title{
        padding-bottom: 60px;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .analysis-item {
        padding: 25px 20px;
    }
    
    .analysis-item h4 {
        font-size: 16px;
    }
    
    .analysis-item p {
        font-size: 13px;
    }
    
    .analysis-footer {
        padding: 30px 15px;
    }
    
    .analysis-footer h4 {
        font-size: 18px;
    }
    
    .analysis-footer p {
        font-size: 14px;
    }
    
    /* Solution Circle Responsive */
    .solution-circle {
        height: auto;
        display: block;
        position: relative;
        padding: 20px 0;
    }
    
    .solution-items {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        position: static;
        width: 100%;
        height: auto;
        margin-top: 70px;
    }
    
    .solution-item {
        position: static;
        width: 100%;
        justify-content: flex-start !important;
        flex-direction: row !important;
        text-align: left;
        background: #f8f9fa;
        padding: 15px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .solution-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    .solution-item .item-icon {
        margin: 0 15px 0 0 !important;
        flex-shrink: 0;
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
    
    .solution-item .item-content {
        text-align: left !important;
        max-width: 100%;
        flex: 1;
    }
    
    .solution-circle::before {
        content: '';
        position: absolute;
        width: 300px;
        height: 300px;
        border: 2px dashed rgba(79, 172, 254, 0.3);
        border-radius: 50%;
        z-index: 1;
        top: 20%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .circle-center {
        margin: 0 auto 20px;
    }
    
    .circle-center::before {
        margin-bottom: 5px;
    }
    
    .circle-center h4 {
        font-size: 14px;
    }
    
    .solution-item h5 {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .solution-item p {
        font-size: 12px;
        line-height: 1.5;
    }
}

@media (max-width: 576px) {
    .analysis-item {
        padding: 20px 15px;
    }
    
    .analysis-item h4 {
        font-size: 15px;
    }

    #ecommerce-data-solution {
        padding: 60px 0 20px 0;
    }
    
    .analysis-item p {
        font-size: 12px;
    }
    
    .analysis-footer {
        padding: 25px 12px;
    }
    
    .analysis-footer h4 {
        font-size: 16px;
    }
    
    .analysis-footer p {
        font-size: 13px;
    }
    
    /* Solution Circle Responsive */
    /* Solution Circle Responsive */
    .solution-items {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .solution-item {
        padding: 12px;
    }
    
    .solution-item .item-icon {
        width: 45px;
        height: 45px;
        font-size: 16px;
        margin-right: 12px !important;
    }
    
    
    
    .solution-item h5 {
        font-size: 13px;
    }
    
    .solution-item p {
        font-size: 11px;
    }
}