@charset "utf-8";

.solution-function {
  margin-top: 50px;
  overflow: hidden;
}

.solution-function ul.flex {
  flex-wrap: wrap;
  margin-left: -16px;
}

.solution-function li {
  box-sizing: border-box;
  list-style: none;
  width: 33.33%;
  padding-left: 16px;
  margin-top: 16px;
}

.solution-function .item-function {
  position: relative;
  z-index: 1;
  width: 100%;
  flex-direction: column;
  justify-content: space-between;
  height: 300px;
  background: #f5f5f7;
  padding: 30px;
  transition: all 0.3s ease-in-out;
}

.solution-function .function-number {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  font-size: 14px;
  font-weight: 500;
  color: #9ca3af;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.solution-function .function-title {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-bottom: 16px;
}

.solution-function .function-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #d1d5db;
  flex-shrink: 0;
}

.solution-function .function-title h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 20px;
}

.solution-function .function-desc {
  width: 100%;
  margin-top: 20px;
  transition: all 0.3s ease-in-out;
}

.solution-function .function-desc p {
  font-size: 14px;
  line-height: 1.8;
  color: #6b7280;
  margin: 0;
}

.solution-function .site-link {
  position: absolute;
  bottom: 30px;
  left: 30px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease-in-out;
}

/* hover  */

@media (min-width: 768px) {
  .solution-function .item-function:hover {
    background: var(--color-primary);
  }

  .solution-function .item-function:hover .site-link {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .solution-function .item-function:hover .function-desc {
    transform: translateY(-50px);
  }

  .solution-function .item-function:hover .function-number,
  .solution-function .item-function:hover .function-title h3,
  .solution-function .item-function:hover .function-desc p {
    color: #fff;
  }
}

@media (max-width: 960px) {
  .solution-function li {
    width: 50%;
  }
}

@media (max-width: 768px) {
  .solution-function .site-link {
    color: var(--color-primary);
  }

  .solution-function .site-link .site-btn-arrow {
    display: none;
  }

  .solution-function ul.flex {
    margin-left: 0;
  }

  .solution-function li {
    width: 100%;
    padding-left: 0;
  }

  .solution-function .item-function {
    padding: 24px;
  }

  .solution-function .function-title h3 {
    font-size: 18px;
  }
}

/* solution banner */
.solution-banner {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.solution-banner .cp-container {
  position: relative;
  height: 100%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.solution-banner-title {
  position: relative;
  text-align: center;
  font-size: 4.5vw;
  line-height: 1.3;
  margin: 0;
  z-index: 2;
}

.solution-banner-title span {
  display: block;
}

.solution-banner-desc {
  position: relative;
  max-width: 720px;
  margin: 48px auto 0;
  text-align: center;
  font-size: 14px;
  line-height: 1.8;
  color: #6b7280;
  z-index: 2;
}

/* banner 鼠标轨迹图片：跟随光标出现后再消失 */
.solution-banner-trail-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 460px;
  height: auto;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  opacity: 0;
  transform: translate(-50%, -50%);
  will-change: transform, opacity;
  animation: solutionTrail 2.4s ease-out forwards;
}

@keyframes solutionTrail {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.6);
  }
  15% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  35% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  85% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.6);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.6);
  }
}

@media (max-width: 960px) {
  .solution-banner-trail-img {
    width: 250px;
  }

  .solution-banner {
    padding: 80px 0;
  }

  .solution-banner-title {
    font-size: 36px;
  }
}

@media (max-width: 768px) {
  .solution-banner {
    height: 50vh;
  }

  .solution-banner-title {
    font-size: 30px;
  }

  .solution-banner-desc {
    margin-top: 32px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .solution-banner-trail-img {
    width: 170px;
  }

  .solution-banner {
    padding: 60px 0;
  }

  .solution-banner-title {
    font-size: 26px;
  }
}

/*  */

.solution-core {
  margin-top: 50px;
  overflow: hidden;
}

.solution-core ul.flex {
  flex-wrap: wrap;
  margin-left: -16px;
}

.solution-core li {
  box-sizing: border-box;
  list-style: none;
  width: 50%;
  padding-left: 16px;
  margin-top: 16px;
}

.solution-core .item-core {
  position: relative;
  z-index: 1;
  width: 100%;
  flex-direction: column;
  justify-content: space-between;
  height: 300px;
  background: #f5f5f7;
  padding: 30px;
  transition: all 0.3s ease-in-out;
  overflow: hidden;
}

.solution-core .item-core-bg {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  transform: translateX(30px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;
}

.solution-core .core-number {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  font-size: 14px;
  font-weight: 500;
  color: #9ca3af;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.solution-core .core-title {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-bottom: 16px;
}

.solution-core .core-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #d1d5db;
  flex-shrink: 0;
}

.solution-core .core-title h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 20px;
}

.solution-core .core-title p {
  font-size: 14px;
  margin-top: 20px;
  color: #4d4d4d;
}

/* hover  */
.solution-core .item-core:hover .item-core-bg {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}

/*  */
.commalink {
  position: relative;
  z-index: 1;
  padding: 50px;
  background-color: var(--color-primary);
  color: #fff;
  overflow: hidden;
}

#gradient-canvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.commalink-poster {
  position: relative;
  margin-left: 20px;
  border-radius: 50px;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.commalink-glare {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

.commalink-glare-inner {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    105deg,
    rgba(255, 255, 255, 0) 42%,
    rgba(255, 255, 255, 0.85) 50%,
    rgba(255, 255, 255, 0) 58%
  );
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.commalink-poster img {
  display: block;
  width: 100%;
}

/*  */
.solution-point {
  margin-top: 50px;
  overflow: hidden;
}

.solution-point ul {
  margin-left: -30px;
}

.solution-point ul li {
  padding-left: 30px;
  width: 33.33%;
}

.solution-point .item-point {
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  width: 100%;
  height: 240px;
  padding: 30px;
  box-sizing: border-box;
  border: 1px solid #ebeaea;
}
.solution-point .cp-title p {
  color: #172de7;
}
.solution-point .cp-title h3 {
  margin-top: 10px;
}

/* ===========================================================
   解决方案页多端适配
   断点：1200 / 960 / 768 / 480
   =========================================================== */

/* 1200：容器由全局收敛；卡片高度与内边距微调 */
@media (max-width: 1200px) {
  .solution-function .item-function,
  .solution-core .item-core {
    height: 280px;
    padding: 26px;
  }
}

/* 960：平板 —— 功能区两列、核心两列、观点两列、commalink 收敛 */
@media (max-width: 960px) {
  .solution-function li {
    width: 50%;
  }
  .solution-core li {
    width: 50%;
  }
  .solution-point ul li {
    width: 50%;
  }
  .commalink {
    padding: 40px;
  }
  /* 移动端无 hover：功能区 CTA 常显，保证可点；描述不再上移 */
  .solution-function .item-function {
    height: auto;
    min-height: 240px;
  }
  .solution-function .function-desc {
    transform: none;
  }
  .solution-function .site-link {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    margin-top: 20px;
  }
}

/* 768：核心与观点转单列；commalink 链接与图堆叠 */
@media (max-width: 768px) {
  .solution-core li,
  .solution-point ul li {
    width: 100%;
  }
  .commalink {
    padding: 32px 24px;
  }
  .commalink .pages-heading-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .commalink-poster {
    width: 120px;
  }
}

/* 480：功能区单列，字号收敛 */
@media (max-width: 480px) {
  .solution-function li {
    width: 100%;
  }
  .solution-function .item-function,
  .solution-core .item-core {
    height: auto;
    min-height: 0;
    padding: 24px;
  }
  .solution-function .function-title h3,
  .solution-core .core-title h3 {
    font-size: 18px;
  }
}