@import url("variables_en.css");
@import url("reset.css");


@font-face {font-family: 'BEBAS';src: url('../fonts/BEBAS.ttf');}
@font-face {font-family: 'Oswald-Bold';src: url('../fonts/Oswald-Bold.otf');}




.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow-sm); 
}

.site-header__inner {

  height: 100%; color:#FFFFFF;
}

.site-header__logo {
    float: left;
    width: 44%; padding-top:10px;
}

.site-header__logo img {
  height: 78px; float:left; padding-right:10px;
}



.site-header__inner h1{ font-size:26px; width:80%; float:left; padding-top:15px;}
.site-header__inner h1 span{ font-size:14.5px; font-weight:normal; line-height:27px; text-transform:uppercase; width:100%; float:left;}


.site-header__nav {
  display: flex;
  align-items: center;
  gap: 36px; padding-top:30px;
}

.site-header__menu {
  display: flex;
  align-items: center;
  gap:15px;
}

.site-header__item {
  position: relative;
}

/* 桌面端：菜单行与桌面下拉 */
.site-header__menu-row {
  display: inline-flex;
  align-items: center;
}

.site-header__expand {
  display: none;
}

.site-header__submenu {
  display: none;
  list-style: none;
}

.site-header__link {
  display: block;
  font-size:19px;
  font-weight: 400;
  color: var(--color-white);
  margin: 8px 20px;
  position: relative;
  transition: color var(--transition-fast);
}

.site-header.is-scrolled .site-header__link {
  color: var(--color-gray-700);
}

.site-header.is-scrolled .site-header__inner h1 {
  color: var(--color-gray-700);
}

.site-header__item:hover .site-header__link,
.site-header__item.is-active .site-header__link {
  color: var(--color-primary);
  font-weight: 500;
}

.site-header__item.is-active .site-header__link::after,
.site-header__item:hover .site-header__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--color-primary);
}

.site-header:not(.is-scrolled) .site-header__item:hover .site-header__link,
.site-header:not(.is-scrolled) .site-header__item.is-active .site-header__link {
  color: var(--color-white);
}

.site-header:not(.is-scrolled) .site-header__item:hover .site-header__link::after,
.site-header:not(.is-scrolled) .site-header__item.is-active .site-header__link::after {
  background: var(--color-white);
}

.site-header__lang-wrap {
  position: relative;
}

.site-header__lang {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  color: var(--color-white);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.site-header.is-scrolled .site-header__lang {
  border-color: var(--color-gray-300);
  color: var(--color-gray-700);
}

.site-header__lang-icon {
  font-size: 14px;
  transition: transform var(--transition-base);
}

.site-header__lang-wrap.is-open .site-header__lang-icon {
  transform: rotate(180deg);
}

.site-header__lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 160px;
  padding: 16px 20px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 1100;
}

.site-header__lang-wrap.is-open .site-header__lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-header__lang-option {
  display: block;
  padding: 10px 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
}

.site-header__lang-option:hover {
  color: var(--color-primary);
}

.site-header__lang-option.is-active {
  color: var(--color-primary);
  font-weight: 500;
}

.site-header__toggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: 8px;
  position: relative;
  z-index: 1001;
  color: var(--color-white);
  font-size: 28px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.site-header__toggle-icon {
  display: block;
  pointer-events: none;
}

.site-header.is-scrolled .site-header__toggle,
.site-header.is-nav-open .site-header__toggle {
  color: var(--color-gray-900);
}

/* Mega dropdown */
.site-header__item.has-dropdown {
  position: static;
}

.site-header__dropdown {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--header-height);
  background: var(--color-gray-50);
  border-bottom: 4px solid var(--color-primary);
  padding: 40px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  pointer-events: none;
  z-index: 999;
}

/* 顶部透明桥接区，避免鼠标移入下拉时断开 hover */
.site-header__dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -20px;
  height: 20px;
  background: transparent;
}

.site-header__item.has-dropdown.is-dropdown-open .site-header__dropdown,
.site-header__item.has-dropdown:hover .site-header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.site-header__dropdown-inner {
  display: flex;
  align-items: center;
  gap: 80px;
}

.site-header__dropdown-title {
  font-size:20px;
  font-weight: 700;
  color: var(--color-gray-900);
  flex-shrink: 0;
  min-width: 180px;
}

.site-header__dropdown-links {
  display: flex;
  flex: 1;
  gap: 0;
}

.site-header__dropdown-col {
  flex: 1;
  padding: 0 24px;
  border-right: 1px solid var(--color-gray-300);
}

.site-header__dropdown-col:last-child {
  border-right: none;
}

.site-header__dropdown-col a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-300);
  transition: color var(--transition-fast);
}

.site-header__dropdown-col a:hover {
  color: var(--color-primary);
}

.site-header__dropdown-col a i {
  font-size: 14px;
  color: var(--color-gray-500);
}

/* ========== Banner ========== */
.banner {
  position: relative;
  height: var(--banner-height);
  min-height: 600px;
  overflow: hidden;
}

.banner__slides {
  position: relative;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
}

.banner__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
}

.banner__slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

}

.banner__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-blue-overlay);
}

.banner__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
}

.banner__text {
  max-width: 720px;
  color: var(--color-white);
}

.banner__subtitle {
  font-size: var(--font-size-lg);
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom:5px;
}

.banner__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 24px;
}

.banner__divider {
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-white);
  margin-bottom: 24px;
}

.banner__desc {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-loose);
  margin-bottom: 40px;
  opacity: 0.95;
  line-height:20px;
}

.btn-primary {
  display: inline-block;
  padding: 8px 40px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-primary:active {
  background: var(--color-accent-active);
  transform: translateY(0);
}

.banner__pagination {
  position: absolute;
  left: var(--container-padding);
  bottom: 48px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
}

.banner__pagination-item {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
}

.banner__pagination-item.is-active {
  width: 40px;
  border-radius: 4px;
  background: var(--color-white);
}

.banner__scroll {
  position: absolute;
  left: 50%;
  bottom: 48px;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.banner__scroll-icon {
  width: 24px;
  height: 38px;
  border: 2px solid var(--color-white);
  border-radius: 12px;
  position: relative;
}

.banner__scroll-icon::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-white);
  border-radius: 2px;
  animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

.banner__arrows {
  position: absolute;
  right: var(--container-padding);
  bottom: 48px;
  z-index: 10;
  display: flex;
  gap: 12px;
}

.banner__arrow {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 20px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.banner__arrow:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* ========== Products ========== */
.section-products {

  padding: 80px 0;
}

.section-products__inner {
  display: flex;
  gap: 40px;
  align-items: stretch;
}

.section-products__sidebar {
  flex: 0 0 28%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-right: 20px;
}

.section-title-en {
  font-size:30px;
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.1;
  letter-spacing: -1px;
}

.section-title-en span {
  display: block;
}

.section-title-cn {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-top: 8px;
}

.section-divider {
  width: 40px;
  height: 3px;
  background: var(--color-gray-900);
 margin:auto; margin-top:15px; margin-bottom:15px;
  border: none;
}
.section-desc1 { width:100%; padding-top:40px;
}


.section-desc {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  line-height: var(--line-height-loose);
  padding-top:0px;
}

.section-products__controls {
  margin-top: 40px;
}

.section-products__page {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-products__progress {
  width: 100%;
  height: 2px;
  background: var(--color-gray-300);
  margin-bottom: 20px;
  position: relative;
}

.section-products__progress-bar {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.section-products__arrows {
  display: flex;
  gap: 16px;
}

.section-products__arrow {
  font-size: 24px;
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
}

.section-products__arrow:hover {
  color: var(--color-primary);
}

.section-products__carousel-wrap {
  flex: 1;
  overflow: hidden;
}

.section-products__track {
  display: flex;
  gap: 25px;
  transition: transform 0.6s ease; padding:10px 20px 20px 20px;
}

.product-card {
  flex: 0 0 calc(33.333% - 16px);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card__img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--color-white);
}

.product-card__img img {
  max-height: 180px;
  object-fit: contain;
}

.product-card__body {
  padding: 0px 24px 24px;
}

.product-card__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 12px;
}


.mn{ background:#c20a0a; color:#FFFFFF!important; font-size:14px; line-height:30px;width:100px; text-align:center; margin-top:10px; margin-bottom:10px;
}

.product-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: var(--line-height-loose);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-100);
}

.product-card__cas {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
}

.product-card__link {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-card__link:hover {
  text-decoration: underline;
}









.gui-sz{width:55%; padding-top:43px; box-sizing: border-box; margin:auto}
.gui-sz ul li{float:left; height:173px; margin-right:5%; margin-left:5%}

.gui-sz ul li span em{display: inline-block; height:56px; line-height: 56px;font-size: 55px; color:#003171; font-weight:normal; font-family:Arial, Helvetica, sans-serif}
.gui-sz ul li span i{display: inline-block; width:17px; height: 17px; background:#E60012;border-radius: 50%; text-align: center; line-height: 17px;font-size: 13px;color:#FFFFFF; vertical-align: bottom;margin:0 0 5px -8px;}
.gui-sz ul li p{height:27px;font-size: 14px; line-height: 27px; color:#333333;text-align: center;}
.gui-sz ul li:nth-child(4) p{padding-left:46px;}
.gui-sz ul li:nth-child(5) p{padding-left:23px;}
.gui-sz ul li:nth-child(2) p{padding-left:23px;}
.gui-sz ul li:last-child{border-right:0;}
.about_nub1 {
    overflow: hidden;
    position: relative;
    width: 100%;
    margin: 0 auto;
}




.gui-sz ul li {
    float: left;
    height:142px;
}
.about_nub1 li b div {
    font-size: 45px!important;
    color: #fff!important; margin-bottom:0px!important; float:left; margin-right:3%
}
.about_nub1 li b span{ width:21px; height:21px; background:#fff; color:#57697e; line-height:19px; text-align:center; border-radius: 50%; font-size:10px; display:inline-block; margin-top:10px; font-family:Arial, Helvetica, sans-serif}
.about_nub1 li b .imh{ display:inline-block; width:100%; float:left; text-align:center}

.about_nub1 li .intro {
    display: block;
    font-size: 16px;
    line-height: 27px; color:#fff!important; margin-top:5px; text-align:center
}.about_nub1 li span img {
    width: 30px!important;
    position: relative;
    top: 12px;
    margin-right: 5px;
    vertical-align: super;
}
.about_nub1 li b  {
    font-size: 0.9rem!important;
    color: #fff!important;
    line-height: 55px!important;
    font-family: 'BEBAS'!important;
    margin-bottom: 5px!important;
    font-weight:normal!important;
    margin-right: 12px!important;
    letter-spacing: -1px!important; float:left; width:100%;
}

.about_nub1 li b .ikk{ width:100%; display:flex;justify-content: center }


.about_nub1 li .intro img{ width:20%}
.about_nub1 li b .imh img{ }
.about_nub1 li b div{ }
.quality-con-02{
    width: 100%;
    position: relative;
    margin-top: 60px;
    overflow: hidden;
}







/* ========== About ========== */
.section-about {
  position: relative;
  min-height: 680px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px 0 0;
  background-image:url(../images/about_bg.png);
  background-attachment:scroll;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.section-about::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--color-blue-gradient-start), var(--color-blue-gradient-end));
  z-index: 1;
  pointer-events: none;
}

.section-about__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding-bottom: 20px;
}

.section-about__content .section-title-en {
  color: var(--color-white);
  font-size: 48px;
}

.section-about__content .section-title-cn {
  color: var(--color-white);
  font-size: var(--font-size-2xl);
}

.section-about__content .section-divider {
  background: var(--color-white);
  margin: 20px auto;
}

.section-about__text {
  max-width: 1100px;
  margin: 0 auto 32px;
  font-size: var(--font-size-base);
  line-height:22px;
}

.section-about__nav {
  position: relative;
  z-index: 2;
  display: flex;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.section-about__nav-item {
  flex: 1;
  position: relative;
  text-align: center;
  padding: 30px 20px;
  color: var(--color-white);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.section-about__nav-item:last-child {
  border-right: none;
}

.section-about__nav-hover {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  background: var(--color-accent);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 0;
}

.section-about__nav-item:hover .section-about__nav-hover {
  transform: scaleY(1);
}

.section-about__nav-inner {
  position: relative;
  z-index: 1;
}

.section-about__nav-icon {
  font-size: 40px;
  margin-bottom:5px;
  opacity: 0.9;
}

.section-about__nav-title {
  font-size: var(--font-size-lg);
  font-weight: 700;

}

.section-about__nav-link {
  font-size: var(--font-size-sm);
  opacity: 0.85;
}

.section-about__nav-item:hover .section-about__nav-link {
  opacity: 1;
}

/* ========== Service ========== */
.section-service {
  padding: 50px 0;
  background: var(--color-white);
}

.section-service__header {
  text-align: center;
  margin-bottom: 30px;
}

.section-service__header .section-desc {
  max-width: 700px;
  margin: 0 auto;
}

.section-service__body {
  display: flex;
  gap: 50px;
  align-items: flex-start;
}

.section-service__image {
  flex: 0 0 45%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.section-service__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}

.section-service__list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.service-item {
  display: flex;
  gap: 20px;
}

.service-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  font-size: 40px;
}

.service-item__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 10px;
}

.service-item__title a:hover {
  color: var(--color-primary);
}

.service-item__desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: var(--line-height-loose);
}

/* ========== News ========== */
.section-news {
  padding: 60px 0 80px 0;
  background: var(--color-white);
}

.section-news__header {
  text-align: center;
  margin-bottom: 50px;
}

.section-news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}

.news-card__img {
  display: block;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
}

.news-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card__img img {
  transform: scale(1.05);
}

.news-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 22px 24px 26px;
}

.news-card__date {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: 14px;
}

.news-card__date i {
  font-size: 16px;
  color: var(--color-gray-500);
}

.news-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.45;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__title a:hover {
  color: var(--color-primary);
}

.news-card__excerpt {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.75;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__more {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 2px;
  align-self: flex-start;
}

.news-card__more i {
  font-size: 18px;
  font-weight: 700;
}

.news-card__more:hover {
  color: var(--color-primary-dark);
}

/* ========== Footer ========== */
.site-footer {
  background:#484848;
  color: var(--color-white);
  padding-top: 60px;
      float: left;
    width: 100%;
}

.site-footer__main {
  display: flex;
  gap: 40px;
  padding-bottom: 40px;
}

.site-footer__contact {
  flex: 0 0 22%;
}

.site-footer__contact h3 {

  margin-bottom: 24px;
}

.site-footer__contact p {
  font-size: var(--font-size-sm);
  line-height: 2;
  opacity: 0.9;
}

.site-footer__contact a:hover {
  text-decoration: underline;
}

.site-footer__nav {
  flex: 1;
  display: flex;
  gap:50px;
}

.site-footer__col h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: 20px;
}

.site-footer__col ul li {
  margin-bottom:5px;
}

.site-footer__col a {
  font-size: var(--font-size-sm);
  opacity: 0.85;
}

.site-footer__col a:hover {
  opacity: 1;
  text-decoration: underline;
}

.site-footer__qrcode {
  flex: 0 0 140px;
  text-align: center;
}

.site-footer__qrcode img {
  width: 140px;
  height: 140px;
  background: var(--color-white);
  padding: 5px;
  margin: 0 auto 15px;
}

.site-footer__qrcode p {
  font-size: var(--font-size-sm);
}

.site-footer__bottom {
 width: var(--container-max);
  border-top: 1px solid rgba(255, 255, 255, 0.15);

  align-items: center;
  font-size: var(--font-size-sm);
  opacity: 0.8; padding-top:30px; padding-bottom:50px;

}

/* ========== Floating tools ========== */
.floating-tools {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.floating-tools__item {
  width: 44px;
  height: 44px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-700);
  font-size: 20px;
  box-shadow: var(--shadow-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.floating-tools__item:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.floating-backtop {
  position: fixed;
  right: 16px;
  bottom: 100px;
  z-index: 999;
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  color: var(--color-white);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.floating-backtop.is-visible {
  display: flex;
}

.floating-backtop:hover {
  background: var(--color-accent-hover);
}

.floating-chat {
  position: fixed;
  right: 16px;
  bottom: 40px;
  z-index: 999;
  width: 50px;
  height: 50px;
  background: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-700);
  font-size: 24px;
}

.floating-chat:hover {
  color: var(--color-primary);
}

/* ========== Mobile bottom nav ========== */
.mobile-bottom-nav {
  display: none;
}

/* ========== Responsive ========== */
@media (max-width: 1200px) {
  .banner__title { font-size: 40px; }
  .product-card { flex: 0 0 calc(50% - 12px); }
  .section-products__inner { flex-direction: column; }
  .section-products__sidebar { flex: none; }
}

@media (max-width: 992px) {
  .site-header__inner {
    gap: 12px;
  }

  .site-header__logo img {
    height: 40px;
    max-width: 160px;
    object-fit: contain;
    object-position: left center;
  }

  .site-header__nav {
    gap: 12px;
    margin-left: auto;
  }

  .site-header__menu {
    display: none;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header.is-nav-open {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
  }

  .site-header.is-nav-open .site-header__logo img {
    filter: none;
  }

  .site-header.is-nav-open .site-header__lang {
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
  }

  .site-header.is-nav-open .site-header__inner {
    position: relative;
    z-index: 1001;
  }

  .site-header__nav.is-open {
    position: fixed;
    top:70px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    margin-left: 0;
    padding: 0;
    background: var(--color-white);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
  }

  .site-header__nav.is-open .site-header__menu {
    display: block;
    width: 100%;
    margin: 0;
    padding: 0;
    flex: 0 0 auto;
  }

  .site-header__nav.is-open .site-header__lang-wrap {
    display: none !important;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
  }

  .site-header__nav.is-open .site-header__item {
    border-bottom: 1px solid var(--color-gray-300);
  }

  .site-header__nav.is-open .site-header__item:hover .site-header__link::after,
  .site-header__nav.is-open .site-header__item.is-active .site-header__link::after {
    display: none;
  }

  .site-header__nav.is-open .site-header__link {
    color: var(--color-gray-900);
    font-weight: 500;
  }

  .site-header__nav.is-open .site-header__item.is-active .site-header__link {
    color: var(--color-primary);
  }

  .site-header__menu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0;
  }

  .site-header__menu-row .site-header__link {
    flex: 1;
    padding: 16px 0 16px 20px;
    font-size: var(--font-size-base);
  }

  .site-header__item:not(.has-dropdown) > .site-header__link {
    display: block;
    padding: 16px 20px;
	font-size: 16px;
  }

  .site-header__expand {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    color: var(--color-gray-500);
    font-size: 22px;
    transition: color var(--transition-fast);
  }

  .site-header__expand i {
    display: block;
    transition: transform var(--transition-base);
  }

  .site-header__item.is-submenu-open .site-header__expand i {
    transform: rotate(90deg);
  }

  .site-header__submenu {
    display: block;
    max-height: 0;
    overflow: hidden;
    background: var(--color-gray-50);
    transition: max-height 0.35s ease;
  }

  .site-header__item.is-submenu-open .site-header__submenu {
    max-height: 320px;
  }

  .site-header__submenu li {
    border-bottom: 1px solid var(--color-gray-300);
  }

  .site-header__submenu li:last-child {
    border-bottom: none;
  }

  .site-header__submenu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px 14px 36px;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
  }

  .site-header__submenu a i {
    font-size: 18px;
    color: var(--color-gray-500);
  }

  .site-header__submenu a:hover {
    color: var(--color-primary);
  }

  .site-header__dropdown {
    display: none !important;
  }

  body.is-mobile-nav-open {
    overflow: hidden;
  }
  .section-news__grid { grid-template-columns: repeat(2, 1fr); }
  .section-service__body { flex-direction: column; }
  .section-service__image { flex: none; width: 100%; }
  .site-footer__main { flex-wrap: wrap; }
}

@media (max-width: 768px) {
  :root {
    --banner-height: 85vh;
    --header-height: 64px;
    --mobile-bottom-nav-height: 56px;
  }

  body {
    padding-bottom: var(--mobile-bottom-nav-height);
  }

  .banner__title { font-size: 20px; }
  .banner__desc { font-size: var(--font-size-base); }
  .banner__arrows { display: none; }
  .product-card { flex: 0 0 100%; }
  .section-title-en { font-size: 36px; }
  .section-about__nav { flex-wrap: wrap; }
  .section-about__nav-item { flex: 0 0 50%; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .section-news__grid { grid-template-columns: 1fr; }
  .site-footer__main { flex-direction: column; }
  .site-footer__nav { display: none; }
  .site-footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .floating-tools { display: none; }
  .floating-backtop {
    bottom: calc(var(--mobile-bottom-nav-height) + 16px);
  }

  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    height: var(--mobile-bottom-nav-height);
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-300);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
  }

  .mobile-bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--color-gray-600);
    font-size: 14px;
    transition: color var(--transition-fast);
  }

  .mobile-bottom-nav__item i {
    font-size: 22px;
    line-height: 1;
  }

  .mobile-bottom-nav__item.is-active,
  .mobile-bottom-nav__item:hover {
    color: var(--color-gray-900);
  }

  /* 移动端：顶部隐藏语言切换，菜单内「联系我们」下方显示 */
  .site-header__lang-wrap {
    display: none !important;
  }

  .site-header__nav.is-open .site-header__lang-wrap {
    display: block !important;
    height: auto;
    margin: 0;
    padding: 0;
    overflow: visible;
    width: 100%;
    border-top: 1px solid var(--color-gray-300);
    flex: 0 0 auto;
  }

  .site-header__nav.is-open .site-header__lang {
    width: 100%;
    justify-content: space-between;
    padding:16px 18px 16px 40px;
    border: none;
    border-radius: 0;
    color: var(--color-gray-900);
    font-weight: 500;
    font-size: var(--font-size-base);
    background: transparent;
  }

  .site-header__nav.is-open .site-header__lang-icon {
    font-size: 22px;
    color: var(--color-gray-500);
  }

  .site-header__nav.is-open .site-header__lang-dropdown {
    position: static;
    min-width: 0;
    width: 100%;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    transform: none;
    background: var(--color-gray-50);
    transition: max-height 0.35s ease, opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav.is-open .site-header__lang-wrap:not(.is-open) .site-header__lang-dropdown {
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
  }

  .site-header__nav.is-open .site-header__lang-wrap.is-open .site-header__lang-dropdown {
    opacity: 1;
    visibility: visible;
    max-height: 160px;
  }

  .site-header__nav.is-open .site-header__lang-option {
    padding: 14px 20px 14px 36px;
    border-bottom: 1px solid var(--color-gray-300);
  }

  .site-header__nav.is-open .site-header__lang-option:last-child {
    border-bottom: none;
  }
  
  
  
  
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding:10px  30px; font-size:14px;
}
  
  
  .site-header__logo {
    float: left;
    width:85%;    padding-top:0px;
}

.site-header__logo img {
  height: 60px; float:left; padding-right:10px;
}

.site-header__inner h1{display:none;}

.site-header {

  height:75px;

}


.site-header__nav {
  display: flex;
  align-items: center;
  gap: 36px; padding-top:0px;
}


  .site-header__toggle {
    display: flex; padding-top:30px;
  
  }
  
  .site-header:not(.is-scrolled) .site-header__item:hover .site-header__link,
.site-header:not(.is-scrolled) .site-header__item.is-active .site-header__link {
  color:#0888d8;
}



.btn-primary {
  display: inline-block;
  padding: 3px 20px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size:14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.banner__subtitle {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0px;
  text-transform: uppercase;
  margin-bottom:5px;
}

.banner__title {
  margin-bottom:10px;
}

.banner__divider {
  margin-bottom:10px;
}

.banner__desc {

  margin-bottom: 10px;
  opacity: 0.95;
}

.banner {
  position: relative;
  height: 400px;
  min-height: 400px;
  overflow: hidden;
}


.section-products {

  padding: 20px 0;
}

.section-title-cn {
  font-size:20px;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-top: 8px;
}

.section-desc1 { width:100%; padding-top:10px;}

.section-desc {
  font-size:14px;
  line-height: var(--line-height-loose);

}
.section-products__controls {
  margin-top:20px;
}

.section-products__inner {
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.product-card__name {
  font-size:15px;
  font-weight: 700;
  margin-bottom:10px;
}


.product-card__desc {
  font-size:14px;
  margin-bottom:10px; font-weight:normal

}

.product-card__link {
  font-size:14px;
}





/* ========== About ========== */
.section-about {
  position: relative;
  min-height: 680px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding:40px 0 0;
  background-image:url(../images/about_bg.png);
  background-attachment:scroll;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.section-about__content .section-title-en {
  color: var(--color-white);
  font-size:20px;
}

.section-about__content .section-title-cn {
  font-size: 20px;
}

.section-about__text {
  max-width: 900px;
  margin: 0 auto 32px;
  font-size:14px;
  line-height: var(--line-height-loose);
}





.gui-sz{width:100%; padding-top:0px; box-sizing: border-box; margin:auto}

.about_nub1 li b div {
    font-size:30px!important;
    color: #fff!important; margin-bottom:0px!important; float:left; margin-right:0%
}

.gui-sz ul li {
    float: left;
    height:100px;
}

.about_nub1 li .intro {
    display: block;
    font-size: 14px;
    line-height: 22px; color:#fff!important; margin-top:0px; text-align:center
}

.section-about__nav-link {
  font-size:14px;
  opacity: 0.85;
}
.section-about__nav-icon {
  font-size:35px;
  margin-bottom:0px;
  opacity: 0.9;
}


.section-about__nav-item {

  position: relative;
  text-align: center;
  padding:10px 20px;
  color: var(--color-white);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.section-about__nav-title {
  font-size:15px;
  font-weight:normal;

}

.section-news {
  padding: 20px 0 30px 0;
  background: var(--color-white);
}

.section-news__header {
  text-align: center;
  margin-bottom: 20px;
}


.section-divider {
  width: 40px;
  height: 3px;
  background: var(--color-gray-900);
 margin:auto; margin-top:8px; margin-bottom:8px;
  border: none;
}

.news-card__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gray-900);
  line-height:20px;
  margin-bottom:5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__excerpt {

  font-size:14px;
  line-height: 20px;
  margin-bottom:5px;
}

/* ========== Footer ========== */
.site-footer {
  padding-top: 20px; padding-bottom:80px;
}
.site-footer__qrcode {
display:none;  
}

.site-footer__contact p {
  font-size:14px;
  line-height: 22px;
  opacity: 0.9;
}

.site-footer__contact h3 {

  margin-bottom:10px;
}
.gui-sz ul li{float:left; height:auto; margin-right:0%; margin-left:0%}


}