/* ==========================================================================
   首页专用板块样式 (Hero, About, Products, Partners, Support)
   - PC 端：流体自适应（clamp + % + max-width），不再依赖固定 px
   - 移动端：@1280 / @1024 / @768 / @480 四档断点降级
   ========================================================================== */

/* 全局：图片不溢出容器 */
.indexContainer img {
  max-width: 100%;
}

/* ==========================================================================
   1. Hero Section
   ========================================================================== */
.hero-section {
  width: 100%;
  height: 0;
  padding-bottom: 37.5%; /* 720 / 1920 = 37.5% 经典的百分比等比缩放方案 */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  position: relative; /* 绝对定位参考系 */
}

.hero-content {
  position: absolute;
  left: 13.02%; /* 250px / 1920px ≈ 13.02% */
  top: 31.52%; /* 227px / 720px ≈ 31.52% */
  z-index: 2;
  max-width: 40%; /* 限制在左半区，避免标题文字覆盖右侧图案 */
}

.hero-title h1 {
  font-size: clamp(28px, 2.6vw, 50px);
  font-weight: normal;
  line-height: 150%;
  letter-spacing: 1px;
  color: var(--color-primary);
}

.hero-title h1 .hero-title-white {
  color: var(--text-pure-white);
}

.hero-title :last-child {
  color: var(--text-pure-white);
  margin-bottom: 20px;
}

.hero-description p {
  font-size: clamp(14px, 1.15vw, 22px);
  color: var(--text-pure-white);
  font-weight: normal;
  line-height: 150%;
  letter-spacing: 1px;
  margin: 0;
}

.hero-btn {
  display: inline-block;
  padding: 16px 48px;
  background: var(--color-primary);
  color: var(--text-pure-white);
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.hero-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 180, 7, 0.3);
}

/* 动效通用类 */
.heroFadeIn {
  animation: heroFadeIn 1.2s ease-out both;
}

.delay-1 {
  animation-delay: 0.2s;
}
.delay-2 {
  animation-delay: 0.4s;
}
.delay-3 {
  animation-delay: 0.6s;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   2. About Section
   ========================================================================== */
.about-section {
  margin-bottom: 62px;
  background: #ffffff;
  position: relative;
}

.about-container {
  width: 100%;
  position: relative;
  min-height: clamp(600px, 56vw, 1000px);
}

.about-grid {
  position: absolute;
  inset: 0;
  box-sizing: border-box;
  padding: clamp(40px, 5vw, 80px) 0 0 clamp(20px, 6vw, 120px);
  z-index: 2;
  display: block;
  pointer-events: none;
}

.about-grid > * {
  pointer-events: auto;
}

.about-shape-float {
  float: right;
  width: 65%;
  height: 100%;
  shape-outside: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
  pointer-events: none;
}

.about-info {
  margin-top: -20px;
}

.page-title-en {
  font-family: DIN OT;
  font-size: clamp(50px, 6.46vw, 134px);
  font-weight: bold;
  line-height: 100%;
  letter-spacing: 0.03em;
  color: #f3f3f3;
  text-align: left;
  white-space: nowrap;
}

.about-title {
  color: #000;
  margin-bottom: 20px;
  font-size: clamp(24px, 2.6vw, 40px);
  font-weight: bold;
}

.about-desc .about-desc1 {
  font-size: clamp(14px, 1.05vw, 16px);
  color: #000000;
  line-height: 150%;
  letter-spacing: 0em;
  font-weight: 500;
  max-width: none;
  white-space: normal;
}

/* .about-desc .about-desc1:nth-of-type(1) {
  margin-top: 8px;
  margin-bottom: 16px;
} */

.highlight {
  color: var(--color-primary);
}

.deeptext {
  color: var(--text-menu-label);
  font-family: 500;
}

/* 英文关于我们：高亮/强调色与所在段落正文一致（不用黄/灰） */
.site-lang-en .about-desc .highlight,
.site-lang-en .about-desc .deeptext {
  color: inherit;
  font-weight: inherit;
}

.site-lang-en .about-desc .about-desc2 {
  color: #000000;
}

.site-lang-en .about-desc .about-desc3 {
  color: #000000;
}

.about-desc .about-desc2 {
  max-width: 100%;
  font-size: 14px;
  color: var(--text-menu-desc);
  line-height: 150%;
  letter-spacing: 0em;
  margin-bottom: 16px;
}

.about-desc .about-desc2:nth-of-type(4) {
  margin-bottom: 30px;
}

.about-desc .about-desc3 {
  max-width: 100%;
  font-size: 14px;
  color: var(--text-menu-label);
  line-height: 150%;
  letter-spacing: 0em;
  display: flex;
  margin-bottom: 16px;
}

.about-desc .about-desc3 img {
  width: 20px;
  height: 20px;
  margin-right: 6px;
  flex-shrink: 0;
}

.about-visual {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  z-index: 1;
}

.about-visual-img-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  clip-path: polygon(18% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.about-visual-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: left center;
}

.about-visual-img-mobile {
  display: none;
}

.about-stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 48px;
  padding: 32px;
  background: #fff9f0;
  border-radius: 16px;
}

.stat-card .stat-val {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.stat-card .stat-tag {
  font-size: 14px;
  color: var(--text-menu-desc);
}

/* 三栏数据条 */
.about-stats-bar-mobile {
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  box-sizing: border-box;
  flex-shrink: 0;
  position: absolute;
  bottom: clamp(20px, 2.7vw, 52px);
  left: clamp(74px, 8.8vw, 162px);
  right: 0;
}

.stat-item-mobile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
  flex: 1;
}

.stat-label-mobile {
  font-size: clamp(10px, 0.73vw, 14px);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
  letter-spacing: 0.5px;
}

.stat-value-mobile {
  font-size: clamp(36px, 4.375vw, 84px);
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
  letter-spacing: 1px;
}

.stat-value-mobile em {
  font-style: normal;
  font-size: clamp(10px, 0.73vw, 14px);
  font-weight: 500;
}

.stat-item-mobile:last-child {
  padding-left: clamp(8px, 1.5vw, 24px);
  flex: 1.5;
  min-width: 0;
}

.stat-item-mobile:last-child .stat-value-mobile {
  font-size: clamp(12px, 1.56vw, 30px);
  line-height: 1.2;
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
}

.stat-scenarios-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 100%;
}

.stat-scenarios-stack > span {
  display: block;
  line-height: 1.3;
  white-space: normal;
  overflow-wrap: break-word;
}

.site-lang-zh-cn .stat-item-mobile:last-child .stat-value-mobile,
.site-lang-zh-cn .stat-scenarios-stack > span,
.site-lang-zh-cn .stat-label-mobile {
  word-break: keep-all;
  overflow-wrap: normal;
}

/* PC：英文应用场景略缩小（介于默认 30px 与手机 9px 之间） */
@media (min-width: 769px) {
  .about-stats-bar-mobile--en .stat-item-mobile:last-child .stat-value-mobile,
  .about-stats-bar-mobile--en .stat-item-mobile:last-child .stat-scenarios-stack > span {
    font-size: clamp(10px, 1.2vw, 20px);
    line-height: 1.2;
  }
}

.stat-divider-mobile {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 300;
  line-height: 1;
  flex-shrink: 0;
  margin: 0 8px;
  align-self: stretch;
  display: flex;
  align-items: center;
  font-size: clamp(24px, 3vw, 48px);
}

.stat-divider-mobile img {
  display: block;
  height: clamp(40px, 5vw, 70px);
  width: auto;
  opacity: 0.6;
}

/* ==========================================================================
   3. Products Section
   ========================================================================== */
.products-container {
  width: 100%;
  min-height: 720px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  flex-wrap: nowrap; /* PC端强制单行，移动端断点内再改为 wrap */
  justify-content: space-between;
  align-items: stretch;
}

.product-title-box {
  /* 整体占宽固定在 30%，最小 280px 最大 520px，内部 padding 不再参与宽度计算 */
  flex: 0 0 clamp(280px, 30%, 520px);
  padding: clamp(40px, 5vw, 56px) clamp(16px, 2vw, 40px) 40px
    clamp(16px, 6vw, 120px);
  box-sizing: border-box;
  overflow: hidden;
}

.product-title-bg {
  width: min(505px, 100%);
  height: clamp(48px, 6vw, 94px);
  background-size: contain;
  background-position: left center;
  background-repeat: no-repeat;
  overflow: hidden;
  position: relative;
}

.product-title-wrap {
  position: relative;
  z-index: 1;
  top: -20px;
}

.product-title {
  color: var(--text-pure-white);
  margin-bottom: 20px;
  font-size: clamp(24px, 2.6vw, 40px);
  font-weight: bold;
}

.product-desc .product-desc1 {
  font-size: clamp(13px, 1vw, 16px);
  color: var(--text-pure-white);
  line-height: 150%;
  letter-spacing: 0em;
  font-weight: normal;
}

.products-flex {
  flex: 1 1 0; /* 不设 basis，让它真正占满剩余空间 */
  min-width: 0; /* 防止内容撑破 flex 容器 */
  display: flex;
  align-items: stretch;
  min-height: 480px;
}

.product-card {
  transition:
    flex 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    padding 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    background 0.4s ease;
  text-decoration: none;
  flex: 1 1 0;
  min-width: 200px; /* 防止小屏被挤得太窄 */
  padding: 0 clamp(20px, 2.5vw, 41px);
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  border-width: 0px 1px 0px 0px;
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.5);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}

.product-card:last-child {
  border-width: 0px;
}

.product-card:hover {
  flex: 2 1 0; /* 用 flex 比例代替固定 550px，配合容器自适应 */
  padding: 0 clamp(28px, 4vw, 65px);
  background: rgba(255, 143, 7, 0.8);
  backdrop-filter: blur(10px);
}

.product-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 22px;
}

.product-info h3 {
  font-size: clamp(18px, 1.5vw, 24px);
  color: var(--text-pure-white);
  margin-bottom: 16px;
}

.product-info .desc {
  font-size: 14px;
  color: var(--text-pure-white);
  font-weight: normal;
  line-height: 150%;
  margin-bottom: 30px;
  min-height: 120px;
}

.product-info .learnMore {
  font-size: 14px;
  color: var(--text-pure-white);
  font-weight: 350;
  line-height: 100%;
  display: flex;
  align-items: center;
}
.learnMore .hover_right_arrow {
  display: none;
  margin-right: 20px;
  width: 44px;
  height: 44px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.product-card:hover .hover_right_arrow {
  display: block;
  opacity: 1;
}

.product-card:hover .right-arrow-icon {
  display: none;
}

.learnMore .right-arrow-icon {
  margin-left: 5px;
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   4. Partners Section
   ========================================================================== */
.partners-section {
  padding: 56px 0 140px;
  background-color: #fff;
  overflow: hidden;
  position: relative;
}

.partners-container {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 clamp(16px, 4vw, 60px);
}

.partners-bottom {
  width: 100%;
  height: 240px;
  background-image: url("../../home/images/about/partners_bg.webp");
  background-position: center;
  background-size: cover;
  overflow: hidden;
  position: absolute;
  bottom: 0;
  z-index: 1;
}

.partners-header {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.partners-title-bg {
  width: min(526px, 100%);
  height: clamp(48px, 6vw, 94px);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  position: relative;
}

.partners-title-box {
  position: relative;
  top: -20px;
  text-align: center;
}

.partners-title {
  font-size: clamp(24px, 2.6vw, 40px);
  font-weight: bold;
  line-height: 100%;
  letter-spacing: 0em;
  color: #000000;
  margin-bottom: 26px;
}

.partners-desc {
  font-size: clamp(14px, 1.4vw, 22px);
  font-weight: 350;
  line-height: 1.4;
  text-align: center;
  letter-spacing: 1px;
  color: var(--text-menu-desc);
}

.partners-carousel {
  margin-top: 70px;
  width: 100%;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: clamp(20px, 3vw, 45px);
  align-items: center;
  width: max-content;
  animation: scrollLogo 30s linear infinite;
}

.carousel-track img {
  height: clamp(48px, 6vw, 96px);
  transition: all 0.3s;
}

@keyframes scrollLogo {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-50% - 30px));
  }
}

@keyframes scrollLogoR {
  0% {
    transform: translateX(calc(-50% - 30px));
  }
  100% {
    transform: translateX(0);
  }
}

/* 第2行轨道：PC端隐藏，手机端通过 @media 控制显示 */
.carousel-track-r2 {
  display: none;
}

/* ==========================================================================
   5. Support Section
   ========================================================================== */
.support-section {
  width: 100%;
  min-height: 400px;
  background-image: url("../../home/images/about/about_us_bg.webp");
  background-position: center;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: clamp(40px, 6vw, 80px) clamp(20px, 8vw, 120px);
}

.support-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.support-title-bg {
  width: min(651px, 100%);
  height: clamp(48px, 6vw, 94px);
  background-size: contain;
  background-position: left center;
  background-repeat: no-repeat;
  overflow: hidden;
  position: relative;
}

.support-title-box {
  position: relative;
  top: -20px;
}

.support-title {
  font-size: clamp(20px, 2.08vw, 32px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0em;
  color: var(--text-pure-white);
  margin-bottom: 18px;
}

.support-desc {
  font-size: clamp(12px, 1.15vw, 18px);
  font-weight: normal;
  line-height: 170%;
  letter-spacing: 0em;
  color: var(--text-pure-white);
  margin-bottom: 24px;
}

.support-actions {
  padding: 16px 44px;
  background: #fff;
  border-radius: 8px;
  display: inline-block;
}

.btn-support {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 16px;
  text-decoration: none;
}

/* ==========================================================================
   响应式断点（移动端兼容）
   ========================================================================== */

/* 中型屏幕（笔电 / 小桌面）：≤1280px */
@media (max-width: 1280px) {
  .hero-content {
    max-width: 40%;
  }
  .about-container {
    min-height: clamp(800px, 56vw, 1000px);
  }
  /* 图片65%，文字可用宽度35%，斜线切入量20% */
  .about-grid {
    padding: clamp(32px, 4vw, 60px) 0 0 clamp(16px, 4vw, 64px);
  }

  .about-shape-float {
    width: 65%;
    shape-outside: polygon(30% 0%, 100% 0%, 100% 100%, 0% 100%);
  }
  .about-visual {
    width: 65%;
  }
  .about-visual-img-wrap {
    clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
  }
  .product-title-box {
    padding: clamp(40px, 5vw, 56px) clamp(12px, 2vw, 32px) 40px
      clamp(12px, 4vw, 60px);
  }
}

/* 平板：≤1024px —— 关键断点：双栏 → 单栏 */
@media (max-width: 1024px) {
  /* Hero */
  .hero-section {
    height: 500px; /* 取消等比例，给固定最小高度，防止压得太扁 */
    padding-bottom: 0;
  }
  .hero-content {
    left: 40px;
    top: 50%;
    transform: translateY(-50%); /* 回退到垂直居中 */
    max-width: calc(100% - 80px);
  }

  /* About：单栏，图片在文字下方 */
  .about-section {
    height: auto;
    margin-bottom: 40px;
  }
  .about-container {
    min-height: auto;
    height: auto;
  }
  .about-grid {
    position: relative;
    inset: auto;
    width: 100%;
    padding: 60px 32px 40px;
  }
  .about-grid-spacer {
    display: none;
  }
  .about-shape-float {
    display: none;
  }
  .about-visual {
    position: relative;
    inset: auto;
    width: 100%;
    height: clamp(300px, 56vw, 600px);
  }

  .about-info-bg {
    background-size: contain;
  }

  /* Products：标题区改顶部，卡片区独占下半部 */
  .products-container {
    flex-direction: column;
    height: auto;
    min-height: auto;
  }
  .product-title-box {
    flex: 0 0 auto;
    width: 100%;
    max-width: 100%;
    padding: 48px 32px 24px;
  }
  .products-flex {
    flex: 0 0 auto;
    width: 100%;
    min-height: 420px;
  }
  .product-card {
    max-width: none; /* 单栏模式下不限制单卡宽度 */
    min-width: 0;
  }
  /* 移动端的 hover 展开会很别扭，统一让卡片均分 */
  .product-card,
  .product-card:hover {
    flex: 1 1 0;
    padding: 32px 28px;
  }
  .product-info .desc {
    min-height: auto;
  }

  /* Partners */
  .partners-section {
    padding: 56px 0 100px;
  }
  .partners-bottom {
    height: 160px;
  }

  /* Support */
  .support-section {
    padding: 60px 32px;
  }
}

/* 手机（横屏 / 大屏手机）：≤768px */
@media (max-width: 768px) {
  /* Hero：手机端改为上图下文流式布局 */
  .hero-section {
    height: auto;
    padding-bottom: 0;
    display: flex;
    flex-direction: column;
    overflow: visible;
    background-image: url("../../home/images/about/mobile_logo.webp") !important;
    background-size: cover;
    background-position: center center;
    min-height: 0;
  }

  /* 图片占位区：用空 div 方式，直接给 hero-section 一个 padding-top 撑图 */
  .hero-section::before {
    content: "";
    display: block;
    width: 100%;
    padding-bottom: 72%; /* 手机端约 4:3 */
    flex-shrink: 0;
  }

  /* 文字区：叠在图片下方，深色背景 */
  .hero-content {
    position: static;
    left: auto;
    top: auto;
    transform: none;
    width: 100%;
    max-width: 100%;
    padding: 24px 20px 28px;
  }

  .hero-title h1 {
    font-size: 26px;
    letter-spacing: 1px;
    line-height: 1.4;
  }

  .hero-title :last-child {
    margin-bottom: 12px;
  }

  .hero-description p {
    font-size: 14px;
    line-height: 1.6;
  }

  /* About */
  .about-grid {
    padding: 48px 20px 32px;
  }
  .about-info {
    margin-top: -10px;
  }
  .about-info-bg {
    height: 40px;
  }
  .about-title {
    font-size: 22px;
  }
  .about-desc .about-desc1,
  .about-desc .about-desc2,
  .about-desc .about-desc3 {
    max-width: 100%;
  }

  /* 问题1：desc1 两段之间不要额外间距，视觉上连续 */
  .about-desc .about-desc1 {
    margin-bottom: 0;
    display: inline;
    white-space: normal;
  }

  .about-desc .about-desc2:nth-of-type(3) {
    margin-top: 12px;
  }

  /* 问题2：desc7(desc2第1段) 和 desc8(desc2第2段) 之间加间距 */
  .about-desc .about-desc2 {
    margin-bottom: 0;
  }

  .about-visual {
    width: 100%;
    height: clamp(240px, 80vw, 480px);
  }

  .about-visual-img {
    width: 100%;
    height: 100%;
  }

  .about-visual-img-pc {
    display: none;
  }

  .about-visual-img-wrap {
    clip-path: none;
  }

  .about-visual-img-mobile {
    display: block;
  }

  /* 手机端三栏数据条 */
  .about-stats-bar-mobile {
    display: flex;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 0;
  }

  .stat-label-mobile {
    font-size: 10px;
  }

  .stat-value-mobile {
    font-size: 22px;
  }

  .stat-value-mobile em {
    font-size: 12px;
    margin-left: 2px;
  }

  /* 中文：三栏居中，数值与第三列首行对齐，应用场景 10px */
  .about-stats-bar-mobile:not(.about-stats-bar-mobile--en) {
    justify-content: center;
    align-items: flex-start;
    padding: 16px 12px;
  }

  .about-stats-bar-mobile:not(.about-stats-bar-mobile--en) .stat-item-mobile {
    flex: 0 1 auto;
    justify-content: flex-start;
    gap: 6px;
  }

  .about-stats-bar-mobile:not(.about-stats-bar-mobile--en) .stat-item-mobile:last-child {
    padding-left: 0;
    flex: 0 1 auto;
  }

  .about-stats-bar-mobile:not(.about-stats-bar-mobile--en) .stat-label-mobile {
    line-height: 1.2;
    min-height: 12px;
  }

  .about-stats-bar-mobile:not(.about-stats-bar-mobile--en) .stat-divider-mobile {
    align-self: flex-start;
    margin-top: calc(12px + 6px);
  }

  .about-stats-bar-mobile:not(.about-stats-bar-mobile--en) .stat-item-mobile:last-child .stat-value-mobile {
    font-size: 10px;
    line-height: 1.3;
  }

  .about-stats-bar-mobile:not(.about-stats-bar-mobile--en) .stat-item-mobile:last-child .stat-scenarios-stack > span {
    font-size: 10px;
    line-height: 1.3;
  }

  /* 英文：45% / 55% 栅格，数值与首行对齐 */
  .about-stats-bar-mobile--en {
    display: grid;
    grid-template-columns: minmax(0, 9fr) auto minmax(0, 9fr) auto minmax(0, 22fr);
    align-items: start;
    justify-content: stretch;
    padding: 16px 12px 16px 16px;
    gap: 0;
  }

  .about-stats-bar-mobile--en .stat-item-mobile {
    flex: none;
    min-width: 0;
    width: auto;
    justify-content: flex-start;
    gap: 6px;
  }

  .about-stats-bar-mobile--en .stat-item-mobile:last-child {
    flex: none;
    padding-left: 0;
  }

  .about-stats-bar-mobile--en .stat-label-mobile {
    line-height: 1.2;
    min-height: 12px;
  }

  /* 英文应用场景：仅手机端缩小，PC 保持默认 clamp(12px~30px) */
  .about-stats-bar-mobile--en .stat-item-mobile:last-child .stat-value-mobile,
  .about-stats-bar-mobile--en .stat-item-mobile:last-child .stat-scenarios-stack > span {
    font-size: 9px;
    line-height: 1.15;
  }

  .about-stats-bar-mobile--en .stat-scenarios-stack {
    gap: 2px;
  }

  .about-stats-bar-mobile--en .stat-divider-mobile {
    flex: none;
    margin: 0 2px;
    align-self: start;
    margin-top: calc(12px + 6px);
  }

  .stat-divider-mobile img {
    height: 42px;
  }

  /* Products：手机端保持横向三列，收紧间距 */
  .products-container {
    background-image: none !important;
    flex-direction: column;
  }
  .product-title-box {
    padding: 32px 16px 20px;
    background: #ffffff;
  }
  .product-title-bg {
    display: block;
    height: 40px;
    background-image: url("../../home/images/about/mobile_safe_products_text.webp") !important;
  }
  .product-title-wrap {
    top: 0;
  }
  .product-title {
    font-size: 18px;
    color: #333333;
  }
  .product-desc .product-desc1 {
    font-size: 12px;
    color: #333333;
  }
  .products-flex {
    background-image: url("../../home/images/about/safe_products_bg.webp");
    background-size: cover;
    background-position: center;
  }
  .products-flex {
    flex-direction: row;
    min-height: 460px; /* 加高三列 */
  }
  .product-card,
  .product-card:hover {
    flex: 1 1 0;
    min-width: 0;
    max-width: none;
    padding: 24px 12px;
    border-width: 0 1px 0 0;
    border-color: rgba(255, 255, 255, 0.3);
    justify-content: center;
  }
  .product-card:last-child {
    border-width: 0;
  }
  .product-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
  }
  .product-info h3 {
    font-size: 14px;
    margin-bottom: 8px;
  }

  /* ---- 置灰状态：隐藏描述，只显示简洁版"了解更多 >" ---- */
  .products-flex .product-card .product-info .desc {
    display: none !important;
  }
  /* hover_right_arrow 始终隐藏 */
  .products-flex .product-card .hover_right_arrow,
  .products-flex .product-card:hover .hover_right_arrow {
    display: none !important;
  }
  /* 置灰时：learnMore 显示为简洁文字 + 小箭头 */
  .products-flex .product-card .product-info .learnMore {
    display: flex !important;
    font-size: 12px;
    align-items: center;
    opacity: 0.7;
  }
  .products-flex .product-card .learnMore .right-arrow-icon {
    display: inline-block !important;
    width: 12px;
    height: 12px;
    margin-left: 4px;
  }

  /* ---- 激活状态：显示描述，learnMore 变为圆圈箭头样式 ---- */
  .products-flex .product-card.mobile-active {
    background: rgba(255, 143, 7, 0.85);
    justify-content: center;
  }
  .products-flex .product-card.mobile-active .product-info .desc {
    display: block !important;
    font-size: 12px;
    line-height: 1.5;
    margin-bottom: 16px;
    min-height: auto;
    animation: heroFadeIn 0.4s ease-out both;
  }
  /* 激活时 learnMore：圆圈箭头 + 文字，延迟飞入 */
  .products-flex .product-card.mobile-active .learnMore {
    opacity: 1;
    align-items: center;
    gap: 10px;
    animation: heroFadeIn 0.4s ease-out 0.1s both;
  }
  .products-flex .product-card.mobile-active .learnMore .right-arrow-icon {
    display: none !important;
  }
  .products-flex .product-card.mobile-active .learnMore .hover_right_arrow {
    display: inline-block !important;
    width: 36px;
    height: 36px;
    opacity: 1;
    margin-right: 0;
    flex-shrink: 0;
  }

  /* Partners */
  .partners-section {
    padding: 40px 0 80px;
  }
  .partners-title-bg {
    height: 40px;
  }
  .partners-title {
    font-size: 22px;
    margin-bottom: 14px;
  }
  .partners-desc {
    font-size: 14px;
    padding: 0 16px;
  }
  .partners-carousel {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .carousel-track {
    gap: 20px;
  }
  .carousel-track img {
    height: 56px;
  }
  .carousel-track-r2 {
    display: flex;
    animation: scrollLogoR 30s linear infinite;
  }
  .partners-bottom {
    height: 100px;
  }

  /* Support */
  .support-section {
    min-height: 320px;
    padding: 48px 20px;
    background-image: url("../../home/images/about/mobile_about_us_bg.webp") !important;
  }
  .support-title-bg {
    height: 40px;
  }
  .support-title {
    font-size: 18px;
  }
  .support-desc {
    font-size: 12px;
    line-height: 1.6;
  }
  .support-actions {
    padding: 12px 32px;
  }
  .btn-support {
    font-size: 14px;
  }
}

/* 小屏手机：≤480px */
@media (max-width: 480px) {
  .hero-section {
    height: auto;
  }
  .hero-section::before {
    padding-bottom: 85%;
  }
  .hero-title h1 {
    font-size: 22px;
    letter-spacing: 1px;
  }
  .about-grid {
    padding: 36px 16px 24px;
  }

  .about-visual {
    height: clamp(200px, 60vw, 360px);
  }

  .product-title-box {
    padding: 28px 12px 16px;
  }

  .product-title {
    font-size: 16px;
  }

  .product-card,
  .product-card:hover {
    padding: 16px 8px;
  }

  .product-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 8px;
  }

  .product-info h3 {
    font-size: 12px;
  }

  .product-info .desc {
    font-size: 11px;
  }

  .partners-carousel {
    margin-top: 28px;
    gap: 12px;
  }

  .carousel-track img {
    height: 44px;
  }

  .carousel-track-r2 {
    display: flex;
  }

  .support-section {
    padding: 36px 16px;
  }
}