.banner .swiper {
  width: 100%;

  height: 760px; /* 匹配原图 1920x890 宽屏比例 */
}

/* banner 两侧切换箭头 */
.banner .banner-prev,
.banner .banner-next {
  width: auto;
  height: auto;
  background: none;
  color: #fff !important;
}
.banner .banner-prev::after,
.banner .banner-next::after {
  font-size: 20px;
  font-weight: 700;
  color: #fff !important;
}
.banner .banner-prev {
  left: 40px;
}
.banner .banner-next {
  right: 40px;
}

.banner .swiper-slide video,
.banner .swiper-slide picture,
.banner .swiper-slide img {
  width: 100%;

  height: 100%;

  object-fit: cover; /* 无变形填充满DIV */
  object-position: 50% 50%;
}

/* Banner text positioning - 9 positions */
.banner .content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 760px;
  display: flex;
  padding: 40px;
  box-sizing: border-box;
}
.banner .content .wrap {
  display: flex;
  width: 100%;
}
.banner .content .cont-tit {
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Top positions */
.banner .banner-pos-top-left { justify-content: flex-start; align-items: flex-start; }
.banner .banner-pos-top-center { justify-content: center; align-items: flex-start; }
.banner .banner-pos-top-right { justify-content: flex-end; align-items: flex-start; }
/* Middle positions */
.banner .banner-pos-middle-left { justify-content: flex-start; align-items: center; }
.banner .banner-pos-center { justify-content: center; align-items: center; }
.banner .banner-pos-middle-right { justify-content: flex-end; align-items: center; }
/* Bottom positions */
.banner .banner-pos-bottom-left { justify-content: flex-start; align-items: flex-end; padding-bottom: 60px; }
.banner .banner-pos-bottom-center { justify-content: center; align-items: flex-end; padding-bottom: 60px; }
.banner .banner-pos-bottom-right { justify-content: flex-end; align-items: flex-end; padding-bottom: 60px; }

/* Inner wrap alignment */
.banner .banner-pos-top-left .wrap,
.banner .banner-pos-middle-left .wrap,
.banner .banner-pos-bottom-left .wrap { justify-content: flex-start; }
.banner .banner-pos-top-center .wrap,
.banner .banner-pos-center .wrap,
.banner .banner-pos-bottom-center .wrap { justify-content: center; }
.banner .banner-pos-top-right .wrap,
.banner .banner-pos-middle-right .wrap,
.banner .banner-pos-bottom-right .wrap { justify-content: flex-end; }
.banner .content h1 {
  font-size: var(--banner-title-size, 56px);
  color: #fff;
}

.banner .content h2 {
  font-size: 32px;
  color: #fff;
  margin: 10px 0 20px 0;
}

.banner .content .btn {
  background-color: #0e0e0e96;
  border-radius: 20px;
  color: white;

  padding: 10px 20px;

  font-size: 16px;

  border: none;

  cursor: pointer;
  font-family: var(--font-family-sans);
}

.banner .swiper-pagination-bullet {
  width: 48px;

  height: 3px;

  background: #ffffff4d;

  border-radius: 10px;

  opacity: 1;
}
.banner .swiper-pagination-bullet-active {
  width: 120px;
}

.banner .swiper-pagination-bullet-active i {
  display: block;

  width: 100%;

  height: 100%;

  border-radius: 10px;

  background: white;

  animation: progress 10s linear; /* 默认动画时间为10s */
}

@keyframes progress {
  from {
    width: 0;
  }

  to {
    width: 120px;
  }
}

.banner .autoplay-progress {
  position: absolute;

  right: 16px;

  bottom: 16px;

  z-index: 10;

  width: 48px;

  height: 48px;

  display: flex;

  align-items: center;

  justify-content: center;

  font-weight: bold;

  color: var(--swiper-theme-color);
}

.banner .autoplay-progress svg {
  --progress: 0;

  position: absolute;

  left: 0;

  top: 0px;

  z-index: 10;

  width: 100%;

  height: 100%;

  stroke-width: 4px;

  stroke: var(--swiper-theme-color);

  fill: none;

  stroke-dashoffset: calc(125banner 0.6px * (1 - var(--progress)));

  stroke-dasharray: 125banner 0.6;

  transform: rotate(-90deg);
}
.index-bigimg a{
     width: 100%;
  height: auto;
  overflow: hidden;
  display: block;
}
.index-bigimg img{
  width: 100%;
  height: auto;
  overflow: hidden;
  transition: transform 1s ease;
}
.index-bigimg  a:hover img{
  transform: scale(1.2);
  transition: transform 1s ease;
}
/* 公司简介 - hydrobluetech 风格 */
.index-about {
  background: #fff;
  padding: 80px 0;
}
.index-about .wrap {
  max-width: 1400px;
}
.index-about .about-box {
  display: flex;
  align-items: center;
  gap: 60px;
}
.index-about .about-img {
  flex: 0 0 45%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 12px;
  display: block;
}
.index-about .about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.index-about .about-img:hover img {
  transform: scale(1.03);
}
.index-about .about-text {
  flex: 1;
}
.index-about .about-title {
  font-size: 42px;
  font-weight: 800;
  color: #1a1a1a;
  margin: 0 0 20px;
  line-height: 1.3;
  font-family: var(--font-family-sans);
}
.index-about .about-desc {
  font-size: 15px;
  color: #555;
  line-height: 1.8;
  margin: 0 0 28px;
}
.index-applications {
  position: relative;
  padding: 70px 0 60px;
  overflow: hidden;
  background: #fff;
  width: 100%;
}
.index-applications .wrap {
  max-width: 1400px;
}
.app-products-section__inner {
  position: relative;
  z-index: 1;
}
.app-products-section__heading {
  margin: 0 0 28px;
  color: #1a1a1a;
  font-size: 42px;
  font-family: var(--font-family-sans);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
}
.app-products-section__heading a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
.app-products-section__heading a:hover {
  color: var(--theme-color);
}
.app-products-swiper {
  width: 100%;
  overflow: hidden;
  padding: 20px 0;
}
.app-products-swiper .swiper-wrapper {
  align-items: center;
}
.app-product-slide {
  width: 920px;
  flex-shrink: 0;
  transition: opacity .5s ease, transform .5s ease;
}
.app-product-slide:not(.swiper-slide-active) {
  opacity: .35;
  transform: scale(.62);
}
.app-product-slide:not(.swiper-slide-active) .app-product-slide__more {
  pointer-events: none;
}
.app-product-slide:not(.swiper-slide-active) .app-product-slide__body {
  display: none;
}
.app-product-slide:not(.swiper-slide-active) .app-product-slide__link {
  gap: 0;
  justify-content: center;
}
.app-product-slide.swiper-slide-active {
  transform: scale(1);
  cursor: pointer;
}
.app-product-slide__link {
  display: flex;
  align-items: center;
  gap: 44px;
  text-decoration: none;
  color: inherit;
}
.app-product-slide__img {
  flex: 0 0 500px;
  width: 500px;
  aspect-ratio: 16 / 9;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 14px;
  background: #f5f5f5;
}
.app-product-slide__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.app-product-slide__placeholder {
  display: block;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, .05);
}
.app-product-slide__body {
  flex: 1 1 auto;
  min-width: 0;
}
.app-product-slide__title {
  margin: 0 0 14px;
  font-size: 28px;
  font-weight: 700;
  color: #111;
  line-height: 1.3;
}
.app-product-slide__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
.app-product-slide__title a:hover {
  color: var(--theme-color);
}
.app-product-slide__desc {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: #555;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.app-product-slide__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #111;
  font-size: 15px;
  font-weight: 400;
  text-decoration: none;
  transition: color 0.2s;
}
.app-product-slide__more:hover {
  color: var(--theme-color);
}
.app-product-slide__more b {
  font-size: 18px;
  font-weight: 400;
  line-height: 0;
  transition: transform 0.2s;
}
.app-product-slide__more:hover b {
  transform: translateX(3px);
}
.app-products-pagination {
  position: relative;
  margin-top: 24px;
  text-align: center;
}
.app-products-pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: #999;
  opacity: .4;
  transition: opacity .2s, background .2s;
  margin: 0 4px;
  cursor: pointer;
}
.app-products-pagination .swiper-pagination-bullet-active {
  background: #111 !important;
  opacity: 1 !important;
}
.index-about .about-desc p {
  font-size: 15px !important;
  color: #555 !important;
  margin: 0 0 12px;
  line-height: 1.8;
}
.index-about .about-desc strong {
  color: #1a1a1a;
  font-size: 16px;
}
.index-about .about-btn {
  display: inline-block;
  padding: 12px 32px;
  border: 2px solid var(--theme-color);
  border-radius: 30px;
  background: var(--theme-color);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}
.index-about .about-btn:hover {
  opacity: 0.9;
}
.index-about .about-btn svg,
.index-about .about-btn svg * {
  color: inherit !important;
  stroke: currentColor !important;
}

/* 案例轮播 - 精确复刻 acinfinity.com pCarousel 结构 */
.index-case {
  background: #fff;
  padding: 50px 0;
  overflow: hidden;
  position: relative;
}
.index-case .casebox {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}
.index-case .swiper {
  position: relative;
  overflow: visible;
  padding: 0 24px;
}
.index-case .swiper-wrapper {
  padding-left: 0;
}
.index-case .swiper-slide {
  width: 440px;
  flex-shrink: 0;
  margin-right: 32px;
}
.index-case .swiper-slide:last-child {
  margin-right: 0;
}
.case-card {
  display: block;
  text-decoration: none;
}
.case-card__inner {
  position: relative;
  width: 440px;
  height: 460px;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.case-card:hover .case-card__inner {
  box-shadow: 0 20px 48px rgba(0,0,0,0.22);
  transform: translateY(-8px);
}
.case-card__img {
  width: 440px;
  height: 460px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.case-card:hover .case-card__img {
  transform: scale(1.03);
}
.case-card__text {
  position: absolute;
  top: 32px;
  left: 0;
  right: 0;
  padding: 0 24px;
  z-index: 2;
}
.case-card__title {
  font-size: 24px;
  font-weight: 900;
  color: #000000;
  margin: 0;
  line-height: 1.2;
  font-family: var(--font-family-sans);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}
.case-card__subtitle {
  font-size: 19px;
  font-weight: 500;
  color: #fff;
  margin: 5px 0 8px;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.case-card__desc {
  font-size: 18px;
  color: #fff;
  margin: 11px 0 0;
  line-height: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* 案例轮播导航按钮 */
.index-case .case-prev,
.index-case .case-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 96px;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, opacity 0.2s;
}
.index-case .case-prev {
  left: 0;
  border-radius: 0 8px 8px 0;
}
.index-case .case-next {
  right: 0;
  border-radius: 8px 0 0 8px;
}
.index-case .case-prev::after {
  content: '';
  width: 12px;
  height: 12px;
  border-top: 3px solid #fff;
  border-left: 3px solid #fff;
  transform: rotate(-45deg);
  margin-right: -2px;
}
.index-case .case-next::after {
  content: '';
  width: 12px;
  height: 12px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(45deg);
  margin-left: -2px;
}
.index-case .case-prev:hover,
.index-case .case-next:hover {
  background: rgba(0, 0, 0, 0.8);
}
.index-case .case-prev.swiper-button-disabled,
.index-case .case-next.swiper-button-disabled {
  opacity: 0;
  pointer-events: none;
}

.index-news .newstit h3,
.index-project .project-tit h3 {
  font-size: 35px;
  color: #3c3c3c;
  margin: 40px 0;
  text-transform: uppercase;
  font-family: var(--font-family-sans);
}

/* 热卖商品轮播 - 精确复刻 acinfinity.com pCarousel */
.index-news {
  background: #fff;
  padding: 50px 0;
  overflow: hidden;
  position: relative;
}
.index-news .newsbox {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}
.index-news .swiper {
  position: relative;
  overflow: visible;
  padding: 0 24px;
}
.index-news .swiper-wrapper {
  padding-left: 0;
}
.index-news .swiper-slide {
  width: 380px;
  flex-shrink: 0;
  margin-right: 32px;
}
.index-news .swiper-slide:last-child {
  margin-right: 0;
}
.product-card {
  display: block;
  text-decoration: none;
}
.product-card__inner {
  position: relative;
  width: 380px;
  height: 500px;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.product-card__img {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  padding: 24px;
  object-fit: contain;
  object-position: center;
  display: block;
}
.product-card:hover .product-card__inner {
  box-shadow: 0 20px 48px rgba(0,0,0,0.22);
  transform: translateY(-8px);
}
.product-card__text {
  position: absolute;
  top: 26px;
  left: 0;
  right: 0;
  padding: 0 24px;
  z-index: 2;
}
.product-card__title {
  font-size: var(--card-title-size, 24px);
  font-weight: 900;
  color: var(--theme-color);
  margin: 0;
  line-height: 1.2;
  font-family: var(--font-family-sans);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}
.product-card__subtitle {
  font-size: 16px;
  font-weight: 600;
  color: #252b27;
  margin: 7px 0 0;
  line-height: 1.2;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.product-card__desc {
  font-size: var(--card-desc-size, 14px);
  color: #66706a;
  margin: 9px 0 0;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

@media screen and (max-width: 768px) {
  .index-news {
    padding: 44px 0;
  }
  .index-news .swiper {
    padding: 0 16px;
  }
  .index-news .swiper-slide,
  .product-card__inner {
    width: calc(100vw - 64px);
  }
  .product-card__inner {
    height: 500px;
  }
  .product-card__img {
    padding: 142px 20px 24px;
  }
  .product-card__text {
    top: 22px;
    padding: 0 20px;
  }
  .product-card__title {
    font-size: 20px;
  }
}

/* 产品轮播导航按钮 */
.index-news .news-prev,
.index-news .news-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 96px;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, opacity 0.2s;
}
.index-news .news-prev {
  left: 0;
  border-radius: 0 8px 8px 0;
}
.index-news .news-next {
  right: 0;
  border-radius: 8px 0 0 8px;
}
.index-news .news-prev::after {
  content: '';
  width: 12px;
  height: 12px;
  border-top: 3px solid #fff;
  border-left: 3px solid #fff;
  transform: rotate(-45deg);
  margin-right: -2px;
}
.index-news .news-next::after {
  content: '';
  width: 12px;
  height: 12px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(45deg);
  margin-left: -2px;
}
.index-news .news-prev:hover,
.index-news .news-next:hover {
  background: rgba(0, 0, 0, 0.8);
}
.index-news .news-prev.swiper-button-disabled,
.index-news .news-next.swiper-button-disabled {
  opacity: 0;
  pointer-events: none;
}
.index-catalog{
  width: 100%;
}
.index-catalog__link{
  display: block;
  width: 100%;
  height: 760px;
  overflow: hidden;
  text-decoration: none;
}
.index-catalog__link img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
}
.index-menu{
  padding: 0 0 100px 0;
}

.index-menu .wrap{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.index-menu .wrap h3{
  font-size: 35px;
  color: #3c3c3c;
  margin: 40px;
  text-align: center;
  text-transform: uppercase;
  font-weight: 100;
  font-family: var(--font-family-sans);
}
.index-menu .menu-list{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  width: 100%;
}
.index-menu .menu-item{
  width: auto;
}
.index-menu .menu-item a{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #fff;
  border: 1px solid #e9edf5;
  border-radius: 16px;
  padding: 24px 20px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 6px 12px rgba(0,0,0,0.04);
}
.index-menu .menu-item a:hover{
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
  border-color: #d2d8e3;
}
.index-menu .menu-item a .imgbox{
  width: 80px;
  height: 80px;
  border-radius: 16px;
  overflow: hidden;
  background: #f0f3f8;
  display: flex;
  align-items: center;
  justify-content: center;
}
.index-menu .menu-item a .imgbox img{
  width: 40px;
  object-fit: contain;
}
.index-menu .menu-item a .title{
  font-size: 16px;
  color: #3c3c3c;
  padding: 12px 0 0;
  font-weight: 600;
}
/* 公司优势 - hydrobluetech 风格 */
.index-strengths {
  background: #fff;
  padding: 80px 0;
}
.index-strengths .wrap {
  max-width: 1400px;
}
.index-strengths .strengths-title {
  font-size: 42px;
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
  margin: 0 0 50px;
  font-family: var(--font-family-sans);
}
.index-strengths .strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.index-strengths .strength-item {
  text-align: center;
  padding: 20px;
}
.index-strengths .strength-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--theme-color) !important;
  display: flex;
  align-items: center;
  justify-content: center;
}
.index-strengths .strength-icon svg,
.index-strengths .strength-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.index-strengths .strength-icon svg {
  color: inherit !important;
  stroke: currentColor !important;
}
.index-strengths .strength-icon svg * {
  color: inherit !important;
  stroke: currentColor !important;
}
.index-strengths .strength-item h4 {
  font-size: 17px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 10px;
  font-family: var(--font-family-sans);
}
.index-strengths .strength-item p {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

@media screen and (max-width: 1100px) {
 
  .banner .content .cont-tit{padding: 0 30px;}

}
@media screen and (max-width: 768px){
  .banner .swiper{height: 240px;min-height: auto;}
  .banner .content{height: 240px;min-height: auto;padding: 20px 16px;}
  .banner .swiper-slide video,
  .banner .swiper-slide picture,
  .banner .swiper-slide img{width: 100%;height: 100%;object-fit: cover;object-position: 50% 50%;}
  .banner .banner-pos-bottom-left,
  .banner .banner-pos-bottom-center,
  .banner .banner-pos-bottom-right{padding-bottom: 24px;}
  .banner .content h1{font-size: clamp(18px,5vw,24px);}
  .banner .content h2{font-size: clamp(13px,3.2vw,15px);}
  .banner .banner-prev{left: 12px;}
  .banner .banner-next{right: 12px;}
  .index-news {
    padding: 26px 0;
  }
  .index-news .newstit h3 {
    margin: 16px 0 20px;
    font-size: clamp(20px, 4.5vw, 24px);
  }
  .index-news .swiper {
    padding: 0 16px;
  }
  .index-news .news-prev,
  .index-news .news-next,
  .index-case .case-prev,
  .index-case .case-next { display: none !important; }
  .index-news .swiper-slide,
  .product-card__inner {
    width: 60vw;
    max-width: 240px;
    height: 320px;
  }
  .product-card__img {
    padding: 72px 10px 12px;
  }
  .product-card__text {
    top: 12px;
    padding: 0 12px;
  }
  .product-card__title {
    font-size: 14px;
    line-height: 1.35;
  }
  .product-card__desc {
    font-size: 11.5px;
    margin-top: 3px;
  }
  .index-case {
    padding: 36px 0;
  }
  .index-case .swiper {
    padding: 0 16px;
  }
  .index-case .swiper-slide,
  .case-card__inner,
  .case-card__img {
    width: 68vw;
    max-width: 280px;
    height: 340px;
    aspect-ratio: auto;
  }
  .case-card__text {
    top: 18px;
    padding: 0 16px;
  }
  .case-card__title {
    font-size: 16px;
  }
  .case-card__subtitle {
    font-size: 13px;
  }
  .case-card__desc {
    font-size: 12px;
  }
  .index-catalog__link{
    height: 240px;
  }
  .index-catalog__link img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 50%;
    display: block;
  }
  .index-about .about-box {
    flex-direction: column;
    gap: 30px;
  }
  .index-applications {
    padding: 36px 0;
  }
  .app-products-section__heading {
    font-size: clamp(24px, 5vw, 32px);
    margin: 0 0 14px;
  }
  .app-product-slide {
    width: 88vw;
    max-width: 440px;
  }
  .app-product-slide:not(.swiper-slide-active) {
    transform: scale(.65);
  }
  .app-product-slide__link {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .app-product-slide__img {
    flex: none;
    width: 100%;
    max-width: 380px;
    aspect-ratio: 16 / 9;
    height: auto;
    margin: 0 auto;
    border-radius: 10px;
  }
  .app-product-slide__title {
    font-size: 20px;
  }
  .app-product-slide__desc {
    font-size: 13px;
    margin: 0 0 14px;
  }
  .app-product-slide__more {
    font-size: 13px;
    font-weight: 400;
  }
  .index-about .about-img {
    flex: 0 0 auto;
    width: 100%;
  }
  .index-strengths .strengths-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .index-strengths .strength-item {
    padding: 12px 8px;
  }
  .index-strengths .strength-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 10px;
  }
  .index-strengths .strength-icon svg,
  .index-strengths .strength-icon img {
    width: 36px;
    height: 36px;
    object-fit: contain;
  }
  .index-strengths .strength-item h4 {
    font-size: 15px;
    margin: 0 0 6px;
  }
  .index-strengths .strength-item p {
    font-size: 12px;
    line-height: 1.5;
  }
  .index-menu .menu-list{grid-template-columns: repeat(2, minmax(0, 1fr));}
  .index-about .about-title{font-size: clamp(24px,5vw,32px);}
  .index-strengths .strengths-title{font-size: clamp(24px,5vw,32px);}
  .index-news .newstit h3, .index-project .project-tit h3{font-size: clamp(22px,5vw,28px);}
  .index-menu .wrap h3{font-size: clamp(22px,5vw,28px);}
  .contact-modal__box{padding: 24px;}
}
@media screen and (max-width: 480px) {
  .index-strengths .strengths-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

/* Connect Us 弹窗 */
.contact-modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}
.contact-modal__box {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  width: 90%;
  max-width: 560px;
  position: relative;
  box-sizing: border-box;
}
.contact-modal__close {
  position: absolute;
  top: 12px; right: 20px;
  font-size: 28px;
  color: #999;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}
.contact-modal__close:hover { color: #333; }
.contact-modal__title {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 8px;
}
.contact-modal__sub {
  font-size: 14px;
  color: #888;
  margin: 0 0 24px;
  line-height: 1.5;
}
.contact-modal__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-modal__input {
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.contact-modal__input:focus { border-color: var(--theme-color); }
.contact-modal__textarea {
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  resize: vertical;
  font-family: inherit;
  transition: border-color 0.2s;
}
.contact-modal__textarea:focus { border-color: var(--theme-color); }
.contact-modal__btn {
  padding: 14px;
  background: var(--theme-color);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.contact-modal__btn:hover { opacity: 0.9; }