/* ==========================================================================
   核心技术 Banner（对齐 xlwms.com about 页 main-banner 结构）
   ========================================================================== */
.solution-hero {
  background: linear-gradient(180deg, #F7FAFF 0%, #EAF2FF 100%);
}

.solution-hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  padding: 80px 0;
}

.solution-hero-left {
  flex: 1;
}

.solution-hero-title {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.2;
  color: #00153f;
  margin: 0;
}

.solution-hero-title .highlight {
  color: var(--color-primary);
}

.solution-hero-sub-title {
  font-size: 25px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-body);
  margin: 16px 0 0;
}

.solution-hero-buttons {
  margin-top: 36px;
}

.solution-hero-right {
  flex: 1;
  text-align: right;
}

.solution-hero-img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: rgba(11, 92, 255, 0.12) 0px 20px 40px 0px;
}

/* 核心优势 */
.solution-advantage-grid {
  display: flex;
  gap: 64px;
  align-items: center;
  padding: 24px 0 0;
}

.solution-advantage-list {
  flex: 1;
}

.solution-advantage-item {
  border-bottom: 1px solid #EBF0FA;
  padding: 28px 0;
}

.solution-advantage-item h3 {
  font-size: 27.5px;
  font-weight: 700;
  line-height: 1.5;
  color: #00053D;
  display: flex;
  align-items: center;
  gap: 16px;
}

.solution-advantage-num {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 25px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.solution-advantage-item p {
  font-size: 20px;
  line-height: 1.7;
  color: #516080;
  margin: 10px 0 0;
}

.solution-advantage-right {
  flex: 1;
  max-width: 640px;
}

.solution-advantage-img {
  width: 100%;
  border-radius: 16px;
  box-shadow: rgba(131, 155, 203, 0.12) 0px 18px 36px 0px;
}

/* 主要功能 */
.solution-function-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 24px 0 0;
}

.solution-function-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: rgba(131, 155, 203, 0.06) 0px 10px 8px 0px;
  transition: box-shadow 0.25s, transform 0.25s;
}

.solution-function-card:hover {
  box-shadow: rgba(11, 92, 255, 0.10) 0px 18px 32px 0px;
  transform: translateY(-4px);
}

.solution-function-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
}

.solution-function-icon svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.solution-function-card h3 {
  font-size: 27.5px;
  font-weight: 700;
  line-height: 1.5;
  color: #00053D;
  margin: 20px 0 0;
}

.solution-function-card p {
  font-size: 20px;
  line-height: 1.7;
  color: #516080;
  margin: 10px 0 0;
}

/* CTA */
.solution-cta {
  background: linear-gradient(135deg, #0B5CFF 0%, #0A4FE0 100%);
}

.solution-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 96px 0;
}

.solution-cta-inner h2 {
  font-size: 55px;
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
  text-align: center;
}

.solution-cta-inner .btn {
  font-size: 22px;
  font-weight: 500;
  padding: 14px 40px;
  margin-top: 32px;
}

.solution-cta-inner .btn--primary {
  background: #ffffff;
  color: #0B5CFF;
  border: 1px solid #ffffff;
}

.solution-cta-inner .btn--primary:hover {
  background: #EAF2FF;
  border-color: #EAF2FF;
}

.solution-cta-services {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 56px;
}

.solution-cta-services span {
  font-size: 22px;
  line-height: 1.5;
  color: #ffffff;
  opacity: 0.92;
}

/* 解决方案页平板版 */
@media (max-width: 1024px) {
  .solution-hero-container {
    padding: 72px 0 80px;
    gap: 32px;
  }

  .solution-hero-title {
    font-size: clamp(40px, 5vw, 56px);
  }

  .solution-advantage-grid {
    gap: 40px;
  }

  .solution-function-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 解决方案页手机版 */
@media (max-width: 833px) {
  .solution-hero-container {
    flex-direction: column;
    gap: 32px;
    padding: 64px 0;
  }

  .solution-hero-left {
    max-width: 100%;
  }

  .solution-hero-tag {
    font-size: 4.27vw;
    padding: 9.6px 28.8px;
  }

  .solution-hero-title {
    font-size: 8.53vw;
    margin-top: 32px;
  }

  .solution-hero-desc {
    font-size: 4.27vw;
    margin: 25.6px 0 44.8px;
  }

  .solution-hero-right {
    max-width: 100%;
  }

  .solution-advantage-grid {
    flex-direction: column;
    gap: 40px;
    padding-top: 0;
  }

  .solution-advantage-item {
    padding: 25.6px 0;
  }

  .solution-advantage-item h3 {
    font-size: 4.27vw;
  }

  .solution-advantage-num {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .solution-advantage-item p {
    font-size: 3.73vw;
  }

  .solution-advantage-right {
    max-width: 100%;
  }

  .solution-function-grid {
    grid-template-columns: 1fr;
    gap: 19.2px;
    padding-top: 0;
  }

  .solution-function-card {
    padding: 32px;
    border-radius: 19.2px;
  }

  .solution-function-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
  }

  .solution-function-icon svg {
    width: 36px;
    height: 36px;
  }

  .solution-function-card h3 {
    font-size: 4.27vw;
  }

  .solution-function-card p {
    font-size: 3.73vw;
  }

  .solution-cta-inner {
    padding: 64px 0;
  }

  .solution-cta-inner h2 {
    font-size: 8.53vw;
  }

  .solution-cta-inner .btn {
    font-size: 4.27vw;
    padding: 22.4px 64px;
    margin-top: 44.8px;
  }

  .solution-cta-services {
    flex-direction: column;
    gap: 19.2px;
    margin-top: 51.2px;
  }

  .solution-cta-services span {
    font-size: 4.27vw;
  }
}

/* 首页"主要功能"板块：卡片保持首页原有白底 + 浅边框样式 */
.solution-functions--home .solution-function-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: none;
}

.solution-functions--home .solution-function-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-border);
}

/* 核心技术页 - 产品介绍 */
.product-intro-inner {
  margin: 0 auto;
}

.product-intro-head {
  text-align: center;
  margin-bottom: 60px;
}

.product-intro-head h2 {
  font-size: 55px;
  font-weight: 700;
  color: #161647;
  margin-bottom: 20px;
}

.product-intro-head div {
  font-size: 25px;
  line-height: 1.6;
  color: var(--color-text-body);
  max-width: 1350px;
  margin: 0 auto;
}

.product-intro-body ul {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 120px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-intro-body li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.product-intro-body li img {
  width: 120px;
  height: 120px;
}

.product-intro-body li div {
  font-size: 25px;
  font-weight: 500;
  color: #00053D;
}

/* 手机版 - 产品介绍 */
@media (max-width: 768px) {
  .product-intro-head {
    margin-bottom: 40px;
  }

  .product-intro-body ul {
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
  }

  .product-intro-body li {
    width: 30%;
  }

  .product-intro-body li img {
    width: 72px;
    height: 72px;
  }

  .product-intro-head h2 {
    font-size: 32px;
  }

  .product-intro-head div {
    font-size: 16px;
  }

  .product-intro-body li div {
    font-size: 16px;
  }
}

/* 核心技术页 - 行业现状与趋势 */
.trend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.trend-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: rgba(131, 155, 203, 0.06) 0px 10px 8px 0px;
  transition: box-shadow 0.25s, transform 0.25s;
}

.trend-card:hover {
  box-shadow: rgba(11, 92, 255, 0.10) 0px 18px 32px 0px;
  transform: translateY(-4px);
}

.trend-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
}

.trend-icon img {
  width: 100%;
  height: 100%;
  border-radius: 18px;
}

.trend-card h3 {
  font-size: 27.5px;
  font-weight: 700;
  line-height: 1.5;
  color: #00053D;
  margin-bottom: 12px;
}

.trend-card p {
  font-size: 20px;
  line-height: 1.7;
  color: #516080;
}

.trend-btn-row {
  text-align: center;
  margin-top: 48px;
}

/* 手机版 - 行业现状 */
@media (max-width: 768px) {
  .trend-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .trend-card {
    padding: 32px 24px;
  }

  .trend-card h3 {
    font-size: 22px;
  }

  .trend-card p {
    font-size: 16px;
  }

  .trend-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
  }
}