/* 页面高度兜底，避免被截断 */
html,
body {
  height: auto !important;
  min-height: 100% !important;
  overflow-y: auto !important;
}

/* 顶部导航固定悬浮 */
nav.sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000; /* 高层级，避免被内容覆盖 */
}

/* 固定导航占位，避免内容被遮挡（高度与导航一致） */
body.has-fixed-nav {
  padding-top: 73px;
}

/* Empower section layout (替代部分 Tailwind 工具类) */
#empower-section .empower-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}
@media (min-width: 1024px) {
  #empower-section .empower-layout {
    height: 528px;
    width: 90%;
    flex-direction: row;
  }
}
@media (min-width: 1280px) {
  #empower-section .empower-layout {
    width: 1300px;
  }
}

#empower-section .empower-col-left {
  width: 100%;
}
@media (min-width: 1024px) {
  #empower-section .empower-col-left {
    margin-right: 67px;
    width: 33.33%;
  }
}

#empower-section .empower-col-right {
  width: 100%;
}
@media (min-width: 1024px) {
  #empower-section .empower-col-right {
    height: 100%;
    width: 66.666%;
  }
}

/* 平台容器左右列（替代 Tailwind） */
#platform-section .platform-left {
  display: flex;
  height: auto;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  background-color: #EBF1FF;
  width: 100%;
}
@media (min-width: 1024px) {
  #platform-section .platform-left {
    height: 477px;
    width: 20%;
    flex-direction: column;
    row-gap: 20px;
  }
}
@media (min-width: 1280px) { #platform-section .platform-left { width: 270px; } }
@media (min-width: 1536px) { #platform-section .platform-left { width: 322px; } }

#platform-section .platform-feature {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 85px;
  width: 240px;
  padding-left: 15px;
  border: 1px solid transparent;
  background: #fff;
  cursor: pointer;
}
@media (min-width: 1024px) {
  #platform-section .platform-feature { border-radius: 4px; width: 100%; }
}
@media (min-width: 1280px) { #platform-section .platform-feature { width: 240px; } }
@media (min-width: 1536px) { #platform-section .platform-feature { width: 240px; } }
#platform-section .platform-feature--active { background: #E1E9FE; }

#platform-section .platform-feature-icon { margin-right: 12px; }
#platform-section .platform-feature-icon img { width: 30px; height: 30px; border-radius: 9999px; }
@media (min-width: 768px)  { #platform-section .platform-feature-icon img { width: 60px; height: 60px; } }
@media (min-width: 1024px) { #platform-section .platform-feature-icon img { width: 40px; height: 40px; } }

#platform-section .platform-feature-label { font-size: 18px; color: #333333; font-weight: 400; }
@media (max-width: 639px) { #platform-section .platform-feature-label { font-size: 14px; } }
#platform-section .platform-feature-label.is-active { color: var(--color-primary); font-weight: 500; }

#platform-section .platform-right {
  display: flex;
  height: auto;
  flex-direction: column;
  background: #fff;
  width: 100%;
}
@media (min-width: 1024px) {
  #platform-section .platform-right {
    height: 477px;
    width: 80%;
    flex-direction: row;
    justify-content: space-between;
  }
}

/* 平台右侧：内容与配图列 */
#platform-section .platform-content {
  position: relative;
  margin: 0 auto;
  height: 100%;
  background: #fff;
  border-radius: 0;
  padding-left: 33px;
  padding-right: 33px;
  padding-top: 10px;
  transition: all 1s ease;
  width: 100%;
}
@media (min-width: 1024px) {
  #platform-section .platform-content {
    width: 628px;
  }
}

#platform-section .platform-media {
  margin: 0 auto;
  display: flex;
  width: 90%;
  border-radius: 0;
  background: #f3f4f6; /* gray-100 */
}
@media (min-width: 1024px) {
  #platform-section .platform-media {
    width: 351px;
  }
}
@media (min-width: 1536px) { #platform-section .platform-right { width: 979px; } }

#empower-section .empower-tabs {
  border-radius: 8px;
  padding: 16px;
}

#empower-section .empower-hero {
  width: 100%;
  height: 100%;
  display: block;
}

/* Empower: 条目与图文样式，替代通用工具类 */
#empower-section .empower-item {
  position: relative;
  display: flex;
  align-items: center;
  height: 82px;
  width: 100%;
  border-radius: 8px;
  padding-left: 8px;
  padding-right: 8px;
  text-align: left;
}
@media (min-width: 1280px) {
  #empower-section .empower-item {
    width: 490px;
  }
}
#empower-section .empower-icon {
  margin-left: 35px;
  margin-right: 27px;
}
#empower-section .empower-label {
  color: #1D2129;
  font-weight: 400;
  font-size: 18px;
}
#empower-section .empower-item.is-active .empower-label {
  font-weight: 500;
}

#empower-section .empower-hero-box {
  margin: 0 auto;
  margin-top: 20px;
  height: 80%;
  width: 100%;
  border-radius: 8px;
  padding: 16px;
}
@media (min-width: 1024px) {
  #empower-section .empower-hero-box {
    margin-top: 0;
    height: 100%;
  }
}

/* Empower: 顶部四图标行（全局） */
.empower-features {
  margin: 0 auto;
  margin-top: 91px;
  margin-bottom: 8px;
  width: 900px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 1023px) {
  .empower-features {
    margin-top: 40px;
    width: auto;
    flex-wrap: wrap;
    padding-left: 10px;
    padding-right: 10px;
  }
}

.empower-feature {
  display: flex;
  width: 20%;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  transition: transform .2s ease;
}
@media (max-width: 1023px) {
  .empower-feature {
    margin-bottom: 40px;
  }
}
@media (max-width: 767px) {
  .empower-feature {
    width: auto;
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .empower-feature {
    width: 50%;
  }
}

.empower-feature-icon img {
  width: 60px;
  height: 60px;
  transition: transform .2s ease;
}
@media (max-width: 767px) {
  .empower-feature-icon img {
    width: 40px;
    height: 40px;
  }
}

.empower-feature-label {
  margin-top: 28px;
  padding-bottom: 10px;
  font-size: 20px;
  color: #6b7280; /* gray-500 */
}
/* 顶部四项：鼠标移入动效 */
.empower-feature:hover { transform: translateY(-4px); }
.empower-feature:hover .empower-feature-icon img { transform: scale(1.08); }
.empower-feature:hover .empower-feature-label { color: #3b82f6; font-weight: 500; }
/* 激活项颜色与字重 */
.empower-feature.is-active .empower-feature-label {
  color: #3b82f6;
  font-weight: 500;
}
@media (max-width: 639px) {
  .empower-feature-label {
    font-size: 16px;
  }
}

/* 下划线激活态 */
.empower-underline {
  position: relative;
}
.empower-underline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  transform: translateY(-50%);
  width: 100%;
  height: 3px;
  background-color: #3470FF;
  border-radius: 0 2px 2px 0;
}

/* Certificates 栅格布局 */
#certificates .certs-viewport {
  overflow: hidden;
}
#certificates .certs-grid {
  display: flex;
  gap: 24px;
  padding: 0 12px 24px 12px;
}
#certificates.is-loop .certs-grid {
  will-change: transform;
  animation: certs-loop 25s linear infinite;
}
@keyframes certs-loop {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
#certificates .certs-card { flex: 0 0 calc((100% - (3 * 24px)) / 4); }
#certificates .certs-card {
  background: #ffffff;
  border: 1px solid #EFF2F6;
  border-radius: 14px;
  box-shadow: 0 2px 6px rgba(20, 31, 56, 0.06);
  transition: transform .2s ease, box-shadow .2s ease;
}
#certificates .certs-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(20, 31, 56, 0.10);
}
#certificates .certs-media {
  display: block;
  width: 100%;
  height: 340px;
  object-fit: contain;
  padding: 30px 16px 0 16px;
}
#certificates .certs-title {
  margin-top: 20px;
  padding: 0 16px 30px 16px;
  color: #252222;
  font-size: 16px;
  line-height: 22px;
  font-weight: 600;
  text-align: center;
}
@media (max-width: 1279px) {
  #certificates .certs-grid {
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 0 10px 16px 10px;
  }
  #certificates .certs-card { flex: 0 0 260px; scroll-snap-align: start; }
  #certificates .certs-media { height: 300px; }
}

/* Certificates arrows */
#certificates .certs-nav {
  position: relative;
}
#certificates .certs-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
}
#certificates .certs-arrow-left { left: 0; }
#certificates .certs-arrow-right { right: 0; }

/* Why Choose Us - 强制横向布局 */
#why-swiper .swiper { overflow: visible; }
#why-swiper .swiper-wrapper {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 20px;
  transition: transform .3s ease;
  width: auto;
  height: auto;
  box-sizing: border-box;
}

/* Why Choose Us - 箭头定位与层级 */
#why-section .why-arrow-left,
#why-section .why-arrow-right {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
}
#why-section .why-arrow-left { left: calc(50% - 600px - 56px); }
#why-section .why-arrow-right { right: calc(50% - 600px - 56px); }

/* Sponsor logos spacing */
#sponsor-swiper .swiper-wrapper {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 12px 16px !important;
  justify-content: center !important;
}
#sponsor-swiper.is-scroll .swiper { overflow: hidden; }
#sponsor-swiper.is-scroll .swiper-wrapper {
  flex-wrap: nowrap !important;
  justify-content: flex-start !important;
  gap: 0 16px !important;
  animation: sponsor-marquee 30s linear infinite;
}

/* 循环无缝轮播：利用两份内容与位移复位实现自然衔接 */
#sponsor-swiper.is-loop { overflow: hidden; }
#sponsor-swiper.is-loop .swiper-wrapper {
  display: flex !important;
  flex-wrap: nowrap !important;
  gap: 0 24px !important;
  will-change: transform;
  animation: sponsor-loop 25s linear infinite;
}
@keyframes sponsor-loop {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 逐张滚动（走马灯步进）：离场一张，尾部补一张，实现连续滚动 */
#sponsor-swiper.is-step { overflow: hidden; }
#sponsor-swiper.is-step .swiper-wrapper {
  display: flex !important;
  flex-wrap: nowrap !important;
  gap: 0 24px !important;
  justify-content: flex-start !important;
  align-items: center !important;
}
#sponsor-section .swiper {
  height: 100px;
}
#sponsor-swiper .swiper-slide {
  flex: 0 0 auto !important;
  width: auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}
#sponsor-swiper.is-scroll .swiper-slide { flex: 0 0 auto !important; }
@media (min-width: 1280px) {
  /* 桌面端默认每行6个（gap 列间距16px，共5个间隙） */
  #sponsor-swiper .swiper-slide {
    flex: 0 0 calc((100% - (5 * 16px)) / 6) !important;
  }
}
/* 滚动模式下覆盖“每行6个”设置 */
@media (min-width: 1280px) {
  #sponsor-swiper.is-scroll .swiper-slide {
    flex: 0 0 auto !important;
  }
}

@keyframes sponsor-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
#sponsor-swiper .sponsor-logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* Why Choose Us - 响应式：最多三列 */
#why-swiper {
  width: 100%;
  max-width: 1200px;
  padding-top: 20px;
  padding-bottom: 40px;
}
#why-swiper .swiper-slide {
  flex: 0 0 100%;
  max-width: 100%;
  width: auto;
}
#why-swiper .swiper-slide > div {
  width: 100%;
  max-width: 367px;
  margin: 0 auto;
}
#why-section .card-hero {
  width: 100%;
  max-width: 322px;
  height: auto;
  margin-top: 10px;
  margin-bottom: 30px;
  transition: transform .25s ease;
}
#why-section .why-card {
	cursor: pointer;
	transition: transform .25s ease, box-shadow .25s ease;
	box-shadow: 0 2px 6px rgba(20,31,56,.06);
}
#why-section .why-card:hover {
	transform: translateY(-20px);
	box-shadow: 0 10px 24px rgba(20,31,56,.10);
}
#why-section .brand-logo {
  display: block;
  height: 60px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}
#why-section .why-card { width: 367px; height: 560px; }
@media (min-width: 768px) {
  #why-swiper .swiper-slide {
    flex-basis: calc((100% - 20px) / 2);
    max-width: calc((100% - 20px) / 2);
  }
}
@media (min-width: 1280px) {
  #why-swiper .swiper-slide {
    flex-basis: calc((100% - 40px) / 3);
    max-width: calc((100% - 40px) / 3);
  }
}

/* 标题间距 */
#certificates h2 { margin-bottom: 60px; }
#why-section h2 { margin-bottom: 40px; }
@media (min-width: 768px)  { #why-section h2 { margin-bottom: 50px; } }
@media (min-width: 1280px) { #why-section h2 { margin-bottom: 60px; } }

/* 平台模块标题（先进实验室协作与管理平台） */
.platform-title {
  margin-top: 20px;
  text-align: center;
  font-size: 38px;
  font-weight: 600;
  line-height: 53px;
  color: #1D2129;
}
@media (max-width: 1023px) {
  .platform-title {
    margin-top: 40px;
  }
}
@media (max-width: 767px) {
  .platform-title {
    font-size: 25px;
  }
}
@media (max-width: 639px) {
  .platform-title {
    font-size: 20px;
  }
}

/* 多行业解决方案标题 */
.solutions-title {
  margin-top: 86px;
  margin-bottom: 76px;
  text-align: center;
  font-size: 38px;
  font-weight: 700;
}

/* 为什么选择我们 标题 */
.why-title {
  text-align: center;
  font-size: 38px;
  font-weight: 700;
  margin-top: 40px;
}
@media (max-width: 1023px) { .why-title { font-size: 30px; } }
@media (max-width: 767px)  { .why-title { font-size: 25px; } }
@media (max-width: 639px)  { .why-title { font-size: 20px; } }
@media (min-width: 1024px) { .why-title { margin-top: 88px; } }

/* Sponsor 容器宽度 */
.sponsor-inner {
  margin: 0 auto;
  height: 100px;
  width: 100%;
}
@media (min-width: 1280px) { .sponsor-inner { width: 1300px; } }

/* 通用：顶部微偏移区块 */
.section-offset--9 {
  position: relative;
  top: 0;
  width: 100%;
}
/* Sponsor 模块微调上移 6px，仅作用于赞助商区块 */
#sponsor-section.section-offset--9 { top: -8px; }
@media (max-width: 1023px) {
  .solutions-title {
    font-size: 30px;
  }
}

/* 多行业解决方案 - 布局与卡片（与现有视觉一致） */
#solutions-section .solutions-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
}

#solutions-section .solution-card {
  position: relative;
  height: 394px;
  width: 400px;
  cursor: pointer;
  overflow: hidden;
  border-radius: 8px;
  transition: all 1s ease;
  background: #ffffff;
  color: #1f2937; /* gray-800 */
  margin-right: 10px;
}
@media (max-width: 1279px) {
  #solutions-section .solution-card {
    margin-bottom: 30px;
  }
}
@media (min-width: 768px) {
  #solutions-section .solution-card { width: 80%; }
}
@media (min-width: 1024px) {
  #solutions-section .solution-card { width: 40%; }
}
@media (min-width: 1280px) {
  #solutions-section .solution-card { width: 272px; }
}
@media (min-width: 1536px) {
  #solutions-section .solution-card { width: 308px; }
}

#solutions-section .solution-card-content {
  height: 100%;
  width: 100%;
  padding: 24px; /* p-6 */
}
@media (max-width: 1023px) {
  #solutions-section .solution-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

#solutions-section .solution-title {
  color: #252222;
  font-size: 24px;
  font-weight: 600;
}
#solutions-section .solution-subtitle {
  margin-top: 7px;
  font-size: 14px;
  color: #5b5b5b;
}

/* 多行业解决方案 - 列表与角落装饰 */
#solutions-section .solution-list {
  margin-top: 30px;
  list-style: disc;
  list-style-position: outside;
  padding-left: 18px;
}
#solutions-section .solution-list-item {
  display: list-item;
  margin-top: 24px;
}
#solutions-section .solution-list-item:first-child {
  margin-top: 0;
}
#solutions-section .solution-corner {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 170px;
  height: 170px;
}
@media (max-width: 767px) {
  .solutions-title {
    font-size: 25px;
  }
}
@media (max-width: 639px) {
  .solutions-title {
    font-size: 20px;
  }
}
/* 背景（由内联迁移） */
#sponsor-section {
  background-image: url('./images/sponsor-background.png');
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
#platform-section {
  background-image: url('./images/container1/background.png');
  background-size: cover;
  background-position: top;
  background-repeat: repeat;
}
#solutions-section {
  background-image: url('./images/container2/page-background.png');
  background-size: cover;
  background-repeat: no-repeat;
}
/* 多行业解决方案容器：边框与间距 */
#solutions-section {
  border-top: 1px solid transparent;
}
@media (min-width: 768px) {
  #solutions-section {
    padding-bottom: 110px;
  }
}
#why-section .bg-layer {
  background-image: url('./images/container3/background.png');
  background-position: right bottom;
  background-repeat: no-repeat;
  background-size: cover;
}
#empower-section {
  background-image: url('./images/container5/pageBackground.png');
  background-size: cover;
  background-repeat: no-repeat;
  padding-top: 40px;
}
#certificates .bg-layer {
  position: relative;
  padding-bottom: 40px;
  background-image: url('./images/container2/page-background.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: right bottom;
}

/* Utilities */
.icon-40 { width: 40px; height: 40px; }
.icon-36 { width: 36px; height: 36px; }
.icon-30 { width: 30px; height: 30px; }
.icon-20 { width: 20px; height: 20px; }
.va-initial { vertical-align: initial; }
.is-hidden { display: none; }
footer .footer-logo {
  width: 107px;
  height: 77px;
  display: block;
  object-fit: contain;
}

/* Solutions 统一主图尺寸 */
#solutions-section .solution-hero {
  display: block;
  width: 242px;
  height: 242px;
  object-fit: contain;
  margin-top: 40px;
  transition: transform .25s ease;
}

/* 多行业解决方案 - 悬停交互（渐变底+白字+分隔线） */
#solutions-section .solution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(20,31,56,0.10);
  background-image: linear-gradient(225deg, #6E76FF 0%, #6E76FF 20%, #2D6AFF 100%);
  color: #ffffff;
}
#solutions-section .solution-card:hover .solution-title { color: #ffffff; }
#solutions-section .solution-card:hover .solution-subtitle { color: rgba(255,255,255,0.85); }
#solutions-section .solution-card:hover .solution-list { border-top: 1px solid rgba(255,255,255,0.35); padding-top: 24px; }
#solutions-section .solution-card:hover .solution-list-item { color: #ffffff; }
#solutions-section .solution-card:hover .solution-list-item::marker { color: #ffffff; }
#solutions-section .solution-card:hover .is-hidden { display: block; }
#solutions-section .solution-card:hover .solution-hero { display: none; }
#solutions-section .solution-corner { opacity: 0; transition: opacity .25s ease; }
#solutions-section .solution-card:hover .solution-corner { opacity: 1; }

/* Empower CTA */
.empower-cta-row {
  display: flex;
  height: 130px;
  width: 100%;
  margin-top: 40px;
  margin-bottom: 20px;
}
.empower-cta {
  margin-left: auto;
  margin-right: auto;
  height: 56px;
  width: 80%;
  border-radius: 4px;
  border: 1px solid transparent;
  background-color: #074AEB;
  color: #fff;
  font-size: 24px;
  transition: all .3s ease;
  display: block;
  cursor: pointer;
}
.empower-cta:hover {
  border-color: var(--color-primary);
  background-color: #074AEB;
  color: #fff;
}
/* 链接继承按钮样式，避免颜色变化 */
.empower-cta a {
  display: block;
  width: 100%;
  height: 100%;
  line-height: 56px;
  text-align: center;
  color: inherit;
  text-decoration: none;
}
@media (min-width: 1024px) {
  .empower-cta {
    width: 735px;
  }
  .empower-cta-row {
    margin-bottom: 0;
  }
  #empower-section {
    padding-top: 91px;
  }
}
/* Empower: 标题与条目装饰、主色变量 */
:root {
  --color-primary: #3470FF;
}
#empower-section .empower-title {
  color: #1D2129;
  font-weight: 700;
  text-align: center;
  font-size: 38px;
  margin-top: 0;
  margin-bottom: 20px;
}
@media (min-width: 1024px) {
  #empower-section .empower-title {
    margin-bottom: 58px;
  }
}
@media (max-width: 1023px) {
  #empower-section .empower-title {
    font-size: 30px;
  }
}
@media (max-width: 767px) {
  #empower-section .empower-title {
    font-size: 25px;
  }
}
@media (max-width: 639px) {
  #empower-section .empower-title {
    font-size: 20px;
    padding-left: 30px;
    padding-right: 30px;
  }
}

/* Banner CTA 尺寸与对齐 */
.banner-cta {
  width: 168px;
  height: 56px;
  font-size: 24px;
  border-radius: 4px;
  display: block;
}
.banner-cta a {
  display: block;
  width: 100%;
  height: 100%;
  line-height: 56px;
  text-align: center;
  color: inherit;
  text-decoration: none;
}
@media (max-width: 1023px) {
  .banner-cta {
    width: 118px;
    height: 26px;
  }
  .banner-cta a {
    line-height: 26px;
  }
}

#empower-section .tab-line-before {
  position: relative;
}
#empower-section .tab-line-before::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 46%;
  background-color: #3b82f6;
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity .3s ease;
}
#empower-section .tab-line-before.active::before,
#empower-section .tab-line-before:hover::before,
#empower-section .empower-item.is-active.tab-line-before::before {
  opacity: 1;
}

#empower-section .bg-custom-gradient {
  background-image: linear-gradient(275deg, rgba(255, 255, 255, 0), #EBF1FF);
}

#empower-section .empower-item:hover {
  background-color: #f3f4f6; /* gray-100 */
}

/*（撤回）子特性切换样式移除 */