/* Banner styles for solutions page */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
  color: rgba(0, 0, 0, 0.85);
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  font-variant: tabular-nums;
  line-height: 1.5715;
  background-color: #fff;
  /* prevent horizontal scrollbar caused by full-bleed sections */
  overflow-x: hidden;
  font-feature-settings: 'tnum';
}

::-webkit-scrollbar {
  width: 6px;
  height: 10px;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb {
  background-color: #dee4ea;
}
.banner {
  height: 654px;
  background-image: url('../images/solutions/banner.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

/* Banner text/content */
.banner .banner-content {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #ffffff;
  position: relative;
}

.banner .banner-title {
  font-size: 80px;
  font-weight: 700;
  margin: 0;
  line-height: 1;
  text-shadow: 0 4px 18px rgba(0,0,0,0.35);
}

.banner .banner-subtitle {
  font-size: 40px;
  margin-top: 22px;
  opacity: 0.95;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .banner .banner-title {
    font-size: 64px;
  }
  .banner .banner-subtitle {
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  .banner {
    height: 380px;
  }
  .banner .banner-title {
    font-size: 48px;
  }
  .banner .banner-subtitle {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .banner {
    height: 320px;
  }
  .banner .banner-title {
    font-size: 36px;
  }
  .banner .banner-subtitle {
    font-size: 16px;
  }
}

/* First section (module one) */
.section-one {
  max-width: 1200px;
  margin: 40px auto;
  height: 620px;
  padding-top: 40px;
}

.section-one .section-head {
  text-align: center;
  margin-bottom: 31px;
}
.section-one .section-title {
  font-size: 30px;
  font-weight: 700;
  color: #111827;
}
.section-one .section-title .highlight {
  color: #E50014;
}
.section-one .section-desc {
  font-size: 16px;
  color: #969696;
  margin-top: 8px;
}

.section-one .section-body {
  display: flex;
  align-items: center;
}

.section-one .product-left {
  width: 629px;
  height: 376px;
  flex: 0 0 629px;
}
.section-one .product-left img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background-color: #fff;
}

.section-one .product-right {
  flex: 1;
}
.section-one .product-right-inner {
  background: #F9FAFC;
  padding: 36px;
  border-radius: 0 10px 10px 0;
  min-height: 376px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 16px;
  line-height: 1.8;

}

@media (max-width: 900px) {
  .section-one {
    padding: 0 20px;
    height: auto;
  }
  .section-one .section-body {
    flex-direction: column;
    align-items: stretch;
    height: auto;
  }
  .section-one .product-left {
    width: 100%;
    flex: none;
    padding-right: 0;
    margin-bottom: 20px;
  }
  .section-one .product-right {
    padding-left: 0;
  }
  .section-one .product-right-inner {
    min-height: auto;
  }
}

@media (max-width: 768px) {
  .section-one {
    margin: 20px auto;
    padding: 0 15px;
  }
  .section-one .section-head {
    margin-bottom: 20px;
  }
  .section-one .section-title {
    font-size: 24px;
    line-height: 1.3;
  }
  .section-one .section-desc {
    font-size: 14px;
    margin-top: 6px;
  }
  .section-one .product-left {
    height: 250px;
    margin-bottom: 15px;
  }
  .section-one .product-right-inner {
    padding: 24px 20px;
    font-size: 15px;
    line-height: 1.6;
  }
}

/* Section two: four cards with arrows */
.section-two {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding-top: 20px;
  padding-bottom: 40px;
  background-image: url('../images/solutions/productbg1.png');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
  height: 630px;

}
.section-two .section-two-inner {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  box-sizing: border-box;
}
.section-two .section-head {
  text-align: center;
  margin-bottom: 28px;
}
.section-two .section-title {
  font-size: 30px;
  font-weight: 700;
  color: #111827;
}
.section-two .section-title .highlight {
  color: #E50014;
}
.section-two .section-desc {
  font-size: 16px;
  color: #969696;
  margin-top: 8px;
}
.section-two .section-note {
  text-align: center;
  color: #606266;
  line-height: 1.8;
  text-align: center;
  font-family: Source Han Sans SC, Source Han Sans SC;
  font-size: 16px;
  color: #000000;
}
.section-two .section-body-cards {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 41px;
}
.section-two .card {
  width: 242px; /* include padding + base width for visual match */
  text-align: center;
  background: transparent;
  padding: 0;
  border-radius: 8px;
  box-shadow: none;
}
.section-two .card-box {
  background: #fff;
  padding: 10px 12px;
  border-radius: 8px;
  box-shadow: 0 6px 30px rgba(14, 66, 140, 0.06);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.section-two .card-inner {
  width: 216px;
  height: 216px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  box-sizing: border-box;
  border-radius: 4px;
}
.section-two .card-inner img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}
.section-two .card-caption {
  padding-top: 4px;
  text-align: center;
  font-size: 15px;
  color: #222;
  border-radius: 0 0 6px 6px;
}
.section-two .arrow {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px dashed rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.9);
  color: #1976d2;
  flex: 0 0 48px;
}
.section-two .arrow i {
  font-size: 18px;
}

/* arrow-wrap (image) styling — used when arrow is an image */
.section-two .arrow-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 48px;
}
.section-two .arrow-wrap img {
  width: 52px;
  height: 25px;
  object-fit: contain;
  display: block;
}

@media (max-width: 1100px) {
  .section-two .section-body-cards {
    gap: 12px;
  }
  .section-two .card {
    width: 180px;
  }
  .section-two .card-image,
  .section-two .card-image img {
    width: 180px;
    height: 180px;
  }
}

/* ensure two cards per row on tablet / small desktop */
@media (max-width: 900px) {
  .section-two .section-body-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px;
  }
  .section-two .card {
    width: 48%;
    max-width: none;
    box-sizing: border-box;
  }
  .section-two .card-inner {
    height: 180px;
  }
}

@media (max-width: 768px) {
  .section-two {
    height: auto;
    padding: 30px 20px;
  }
  .section-two .section-head {
    margin-bottom: 24px;
  }
  .section-two .section-title {
    font-size: 26px;
    line-height: 1.3;
  }
  .section-two .section-desc {
    font-size: 14px;
    margin-top: 6px;
  }
  .section-two .section-body-cards {
    gap: 20px;
    margin-bottom: 32px;
  }
  .section-two .card {
    width: 200px;
  }
  .section-two .card-inner {
    width: 180px;
    height: 180px;
  }
  .section-two .card-caption {
    font-size: 14px;
  }
  .section-two .section-note {
    font-size: 15px;
    line-height: 1.6;
    padding: 0 10px;
  }
}

@media (max-width: 720px) {
  .section-two {
    height: auto;
    padding: 24px 16px;
  }
  .section-two .section-body-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    height: auto;
  }
  .section-two .arrow {
    display: none;
  }
  .section-two .card {
    width: 48%;
    max-width: none;
    box-sizing: border-box;
  }
  .section-two .card-inner {
    width: 100%;
    height: 160px;
  }
}

/* very small screens: fallback to single column for readability */
@media (max-width: 480px) {
  .section-two .card {
    width: 100%;
    max-width: 100%;
  }
  .section-two .card-inner {
    height: 200px;
  }
}

/* Section three: product introduction (full-bleed background) */
.section-three {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background-repeat: no-repeat;
  background-size: cover;
  box-sizing: border-box;
}
.section-three-1{
  height: 555px;
  background-image: url('../images/solutions/productbg2.png');
}
.section-three-2{
  height: 555px;
  background-image: url('../images/solutions/productbg3.png');
}
.section-three-3{
  height: 555px;
  background-image: url('../images/solutions/productbg4.png');
}
.section-three-4{
  height: 555px;
  background-image: url('../images/solutions/productbg5.png');
}

.section-three .section-three-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 105px 0px;
  position: relative;


}
 .section-three-head {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Source Han Sans SC, Source Han Sans SC;
  font-size: 30px;
  font-weight: bold;
  color: #000000;
  text-align: center;
  .section-title{
    span{
      color: #E50014;
    }
  }
}
.section-three .section-title {
  font-size: 30px;
  font-weight: 700;
  color: #111827;
}
.section-three-2 .section-three-body{
  display: flex;
  justify-content: flex-end;
}
.section-three-1 .product-intro-left {
  flex: 1;
  width: 782px;
  height: 342px;
  background: rgba(255,255,255,0.95);
  padding: 30px 196px 36px 42px; 
}
.section-three-2 .product-intro-left {
  width: 782px;
  min-height: 342px;
  background: rgba(255,255,255,0.95);
  padding: 30px 42px 36px 196px; 
}
.section-three .product-intro-title {
  font-family: Source Han Sans SC, Source Han Sans SC;
  font-weight: bold;
  font-size: 24px;
  color: #000000;
  margin-bottom: 12px;

}
.section-three .product-intro-desc {
  line-height: 1.8;
  margin-bottom: 20px;
  font-family: Source Han Sans SC, Source Han Sans SC;
  font-size: 14px;
  color: #525252;
  margin-bottom: 20px;
}
.section-three .product-features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding: 0;
  margin: 0;
}
.section-three .product-features li {
  width: 30%;
  display: flex;
  align-items: center;
  font-weight: bold;
  font-size: 14px;
  color: #000000;
  .iconfont{
    font-size: 18px;
    color: #E50014;
    margin-right: 13px;
  }
}
.section-three .product-intro-right {
  position: absolute;
  top:50%;
  right: -40px;
  transform:translateY(-45%) ;
  width: 663px;
  height: 301px;
}
.section-three-2 .product-intro-right {
  position: absolute;
  top:50%;
  left: -40px;
  transform:translateY(-45%) ;
  width: 663px;
  height: 301px;
}
.section-three .product-intro-right img {
  width: 663px;
  min-height: 301px;
  object-fit: contain;
  display: block;
}

/* image frame + floating cards */
.section-three .product-image-frame {
  border: 1px dashed rgba(0,0,0,0.08);
  padding: 12px;
  border-radius: 6px;
  background: rgba(255,255,255,0.9);
  display: inline-block;
  box-sizing: border-box;
  position: relative;
}
.section-three .floating-card {
  position: absolute;
  width: 140px;
  height: 86px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(14,66,140,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}
.section-three .floating-topright {
  right: 40px;
  top: 40px;
}
.section-three .floating-midleft {
  left: 60px;
  top: 200px;
}
.section-three .fc-chart {
  width: 100%;
  height: 100%;
  background-image: linear-gradient(90deg, #f6f9ff, #ffffff);
  border-radius: 6px;
}
.section-three .fc-placeholder {
  width: 100%;
  height: 100%;
  border: 1px dashed rgba(0,0,0,0.06);
  border-radius: 6px;
}

@media (max-width: 1100px) {
  .section-three .floating-card { display: none; }
}

@media (max-width: 1100px) {
  .section-three .section-three-body {
    flex-direction: column;
    height: auto;
    padding: 30px 0 50px;
  }
  .section-three .product-intro-right img {
    width: 100%;
    height: auto;
    max-width: 663px;
  }
  .section-three .product-intro-left {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .section-three {
    height: auto;
  }
  .section-three-1,
  .section-three-2,
  .section-three-3,
  .section-three-4 {
    height: auto;
  }
  .section-three-head {
    height: 80px;
    font-size: 24px;
    padding: 0 15px;
  }
  .section-three .section-three-inner {
    padding: 40px 15px;
  }
  /* layout: make image appear on top, then text */
  .section-three .section-three-body {
    display: flex;
    flex-direction: column;
  }
  .section-three .product-intro-right {
    order: -1;
    position: static;
    transform: none;
    width: 100%;
    height: auto;
    margin-bottom: 20px;
    display: block;
    text-align: center;
  }
  .section-three .product-intro-right img {
    width: calc(100% + 30px);
    max-width: none;
    height: auto;
    border-radius: 0;
    box-shadow: none;
    margin-left: -15px; /* extend to screen edges by offsetting inner padding */
  }
  /* make intro text area visually separated like the mock */
  .section-three .product-intro-left {
    width: 100%;
    padding: 20px 16px;
    margin-bottom: 18px;
    background: rgba(255,255,255,0.98);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  }
  .section-three .product-intro-title {
    font-size: 22px;
    margin-bottom: 12px;
    line-height: 1.25;
    color: #111827;
  }
  .section-three .product-intro-desc {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 18px;
    color: #525252;
  }
  /* features: two columns with clear spacing */
  .section-three .product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 12px;
    margin: 0;
    padding: 0;
  }
  .section-three .product-features li {
    width: 48%;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    padding: 6px 0;
  }
  .section-three .product-features li .iconfont {
    font-size: 16px;
    margin-right: 8px;
    color: #E50014;
  }
}

@media (max-width: 900px) {
  /* layout cards as 2x2 grid on narrower screens to match visual */
  .section-two .section-body-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    align-items: start;
  }
  /* hide connector arrows for a cleaner tile layout */
  .section-two .arrow,
  .section-two .arrow-wrap {
    display: none;
  }
  .section-two .card {
    width: 100%;
    padding: 12px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(14,66,140,0.06);
    box-sizing: border-box;
  }
  .section-two .card-inner {
    width: 100%;
    height: 180px;
  }
  .section-two .card-caption {
    padding-top: 10px;
  }
}

@media (max-width: 600px) {
  .section-three-head {
    height: 70px;
    font-size: 20px;
  }
  .section-three .section-three-inner {
    padding: 30px 12px;
  }
  .section-three .product-intro-left {
    padding: 16px 14px;
    margin-bottom: 20px;
  }
  .section-three .product-intro-title {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .section-three .product-intro-desc {
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 16px;
  }
  .section-three .product-features {
    gap: 8px 10px;
  }
  .section-three .product-features li {
    width: 48%;
    font-size: 14px;
    padding: 5px 0;
  }
  .section-three .product-features li .iconfont {
    font-size: 14px;
    margin-right: 5px;
  }
  .section-three .product-intro-right {
    margin-bottom: 24px;
  }
  .section-three .product-intro-right img {
    width: calc(100% + 24px);
    max-width: none;
    border-radius: 0;
    box-shadow: none;
    margin-left: -12px;
  }
}

@media (max-width: 480px) {
  .section-three-head {
    height: 60px;
    font-size: 18px;
  }
  .section-three .section-three-inner {
    padding: 25px 10px;
  }
  .section-three .product-intro-left {
    padding: 14px 12px;
    margin-bottom: 18px;
  }
  .section-three .product-intro-title {
    font-size: 20px;
    margin-bottom: 8px;
  }
  .section-three .product-intro-desc {
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 14px;
  }
  .section-three .product-features li {
    width: 48%;
    font-size: 14px;
  }
  .section-three .product-features li .iconfont {
    font-size: 14px;
  }
  .section-three .product-intro-right img {
    width: calc(100% + 20px);
    max-width: none;
    border-radius: 0;
    box-shadow: none;
    margin-left: -10px;
  }
}

/* Section Four: centered white card with features */
.section-four {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  /* background-color: rgba(246,250,255,0.6); */
  background: url('../images/solutions/productbg6.png') no-repeat;
  background-repeat: no-repeat;
  background-size: cover;
  box-sizing: border-box;
  padding: 60px 0 80px;
}
.section-four-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}
.white-card {
  background: #fff;
  padding: 36px 48px;
  border-radius: 6px;
  box-shadow: 0 8px 30px rgba(14,66,140,0.06);
  text-align: left;
}
.white-card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.white-card-desc {
  color: #666;
  line-height: 1.8;
  margin-bottom: 18px;
}
.features-row {
  list-style: none;
  display: flex;
  gap: 32px;
  padding: 0;
  margin: 0;
  justify-content: space-between;
}
.features-row li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #333;
  font-weight: 700;
}
.features-row .iconfont {
  color: #E50014;
  font-size: 20px;
}

@media (max-width: 768px) {
  .section-four {
    padding: 40px 0 60px;
  }
  .section-four-inner {
    padding: 0 15px;
  }
  .white-card {
    padding: 28px 24px;
  }
  .white-card-title {
    font-size: 20px;
    margin-bottom: 12px;
  }
  .white-card-desc {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
  }
  .features-row {
    gap: 20px;
    flex-wrap: wrap;
  }
  .features-row li {
    flex: 1 1 45%;
    font-size: 14px;
  }
  .features-row .iconfont {
    font-size: 18px;
  }
}

@media (max-width: 900px) {
  .features-row {
    flex-direction: column;
    gap: 12px;
  }
}

/* ===== 出场动画样式 ===== */

/* 动画初始状态 */
.banner {
  opacity: 0;
  transform: translateY(50px);
  transition: all 1s ease-out;
}

.section-one {
  opacity: 0;
  transform: translateX(-100px);
  transition: all 1s ease-out;
}

.section-two {
  opacity: 0;
  transform: translateX(100px);
  transition: all 1s ease-out;
}

.section-three-head {
  opacity: 0;
  transform: scale(0.8);
  transition: all 1s ease-out;
}

.section-three-1 {
  opacity: 0;
  transform: translateX(-80px);
  transition: all 1.2s ease-out;
}

.section-three-2 {
  opacity: 0;
  transform: translateX(80px);
  transition: all 1.2s ease-out;
}

.section-three-3 {
  opacity: 0;
  transform: translateX(-80px);
  transition: all 1.2s ease-out;
}

.section-three-4 {
  opacity: 0;
  transform: translateX(80px);
  transition: all 1.2s ease-out;
}

.section-four {
  opacity: 0;
  transform: translateY(60px);
  transition: all 1.2s ease-out;
}

/* 动画激活状态 */
.banner.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.section-one.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.section-two.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.section-three-head.animate-in {
  opacity: 1;
  transform: scale(1);
}

.section-three-1.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.section-three-2.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.section-three-3.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.section-three-4.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.section-four.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* 为产品介绍内容添加更精细的动画 */
.section-three .product-intro-left {
  opacity: 0;
  transition: opacity 0.8s ease-out 0.3s;
}

.section-three .product-intro-right {
  opacity: 0;
  transition: opacity 0.8s ease-out 0.5s;
}

.section-three.animate-in .product-intro-left,
.section-three.animate-in .product-intro-right {
  opacity: 1;
}

/* 卡片盒子独立动画 */
.section-two .card-box {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.section-two .card:nth-child(1) .card-box.animate-in { transition-delay: 0.1s; }
.section-two .card:nth-child(3) .card-box.animate-in { transition-delay: 0.3s; }
.section-two .card:nth-child(5) .card-box.animate-in { transition-delay: 0.5s; }
.section-two .card:nth-child(7) .card-box.animate-in { transition-delay: 0.7s; }

.section-two .card-box.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* 箭头动画 */
.section-two .arrow-wrap {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.5s ease-out;
}

.section-two.animate-in .arrow-wrap:nth-child(2) { transition-delay: 0.15s; }
.section-two.animate-in .arrow-wrap:nth-child(4) { transition-delay: 0.35s; }
.section-two.animate-in .arrow-wrap:nth-child(6) { transition-delay: 0.55s; }

.section-two.animate-in .arrow-wrap {
  opacity: 1;
  transform: scale(1);
}