/* 单产品页样式 */

/* 首页 overview 区块 */
.section-overview {
  background: var(--ui-color-white);
}

.section-overview .ui-card {
  box-shadow: none;
  --io-extra-transition-property: box-shadow;
  --io-extra-transition-duration: 0.2s;
  --io-extra-transition-easing: ease;
  --io-extra-transition-delay: 0ms;
}

.section-overview .ui-card:not([data-io]) {
  transition: box-shadow var(--io-extra-transition-duration, 0.2s)
    var(--io-extra-transition-easing, ease);
}

.section-overview .ui-card:hover {
  box-shadow: var(--ui-shadow-soft);
}

.overview-layout,
.culture-layout,
.international-layout,
.news-layout {
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: 100%;
}

.overview-layout > :is(.ui-grid, .ui-card),
.culture-layout > :is(.ui-grid, .ui-card, .ui-stack, .culture-card),
.international-layout > :is(.ui-stack),
.news-layout > :is(.ui-grid, .ui-card, .ui-stack) {
  min-height: 0;
}

.section-overview :is(.ui-grid, .ui-card),
.section-culture :is(.ui-grid, .ui-card, .culture-card),
.section-international :is(.ui-stack),
.section-news :is(.ui-grid, .ui-card) {
  max-height: 100%;
}

.overview-layout {
  grid-template-rows: minmax(0, 0.7fr) minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(38px, 1.8vh, 46px);
}

.culture-layout,
.international-layout {
  grid-template-rows: minmax(0, 0.18fr) minmax(0, 1fr) minmax(0, 0.2fr);
  gap: clamp(12px, 1.6vh, 20px);
}

.news-layout {
  grid-template-rows: minmax(0, 0.16fr) minmax(0, 1fr) minmax(0, 0.12fr);
  gap: clamp(32px, 1.6vh, 48px);
}

/* 文化区内容内边距 */
.section-culture .page-content {
  padding-top: clamp(84px, 9vh, 112px);
  padding-bottom: clamp(28px, 2.4vh, 40px);
}

/* overview 内容内边距 */
.section-overview .page-content {
  padding-top: 0px;
  padding-bottom: clamp(48px, 1.8vh, 54px);
}

/* overview 顶部优势条 */
.section-overview__advantages {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: none;
  margin-inline: auto;
  min-height: 0;
  padding: clamp(24px, 3vh, 34px) clamp(8px, 1.4vw, 16px);
  align-items: center;
  gap: clamp(24px, 2.6vw, 44px);
  box-sizing: border-box;
}

.section-overview__advantages::before {
  content: "";
  position: absolute;
  top: 0;
  right: calc(50% - 50vw);
  bottom: 0;
  left: calc(50% - 50vw);
  z-index: -1;
  background: var(--home-bg-fallback);
}

.overview-advantage {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: clamp(28px, 1.4vw, 44px);
  min-height: clamp(42px, 4vh, 52px);
  padding: 0;
}

.overview-advantage__icon {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-width: clamp(42px, 3vw, 56px);
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent;
  color: var(--ui-color-brand-blue-strong);
  font-size: var(--font-title-md);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.12em;
  flex: none;
}

.overview-advantage__icon img {
  display: block;
  width: clamp(42px, 3.6vw, 68px);
  height: auto;
  object-fit: contain;
}

.overview-advantage__text {
  margin: 0;
  color: var(--ui-color-brand-blue);
  font-size: var(--font-body-lg);
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
}

/* event 活动卡双栏布局 */
.event-card {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 0;
  height: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: var(--ui-radius-sm);
  overflow: hidden;
}

.event-card > :is(.event-card__media, .event-card__body) {
  min-width: 0;
  min-height: 0;
}

.event-card__link {
  position: absolute;
  inset: 0;
  z-index: 3;
}

.event-card__link:focus-visible {
  outline: 2px solid var(--ui-color-brand-blue);
  outline-offset: -4px;
}

.event-card__media {
  position: relative;
  width: 100%;
  min-height: 100%;
  height: 100%;
  border-radius: var(--ui-radius-sm) 0 0 var(--ui-radius-sm);
  overflow: hidden;
}

.event-card__overlay-title {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  color: var(--ui-color-white);
  font-size: var(--font-title-hero);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
  transform: translate(-50%, -50%);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.event-card__body {
  position: relative;
  justify-content: center;
  text-align: left;
  gap: 8px;
  min-height: 0;
  padding: clamp(18px, 2vw, 28px);
  background-color: var(--home-bg-fallback);
  background-image: var(--home-bg-event-image);
  background-position: var(--home-bg-position);
  background-size: var(--home-bg-size);
  background-repeat: var(--home-bg-repeat);
  overflow: hidden;
}

.event-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.event-card .ui-title--md {
  font-size: var(--font-title-md);
  line-height: 1.3;
}

.event-card .ui-text {
  font-size: var(--font-body-sm);
  line-height: 1.45;
}

.event-card .ui-title--line-fixed {
  --ui-title-line-color: var(--ui-color-brand-blue);
  gap: 12px;
}

.event-card__description {
  width: 100%;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: pre-line;
}

/* overview 功能卡栅格 */
.section-overview__features {
  min-height: 0;
  height: 100%;
  grid-auto-rows: 1fr;
  align-items: stretch;
  gap: clamp(24px, 2.6vw, 36px);
  box-sizing: border-box;
}

.product-page__features--mobile {
  display: none;
}

.feature-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  position: relative;
  gap: clamp(8px, 0.9vh, 12px);
  height: 100%;
  min-height: 0;
  padding: 20px;
  border: 0;
  overflow: hidden;
  background: transparent;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--home-bg-fallback);
  background-image: var(--home-bg-feature-image);
  background-position: var(--home-bg-position);
  background-size: var(--home-bg-size);
  background-repeat: var(--home-bg-repeat);
  transform: scale(1.08);
  transform-origin: center;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-card__body {
  text-align: center;
  gap: 6px;
}

.feature-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: clamp(10px, 1.4vw, 18px);
}

.feature-card__media img {
  width: auto;
  max-width: 95%;
  max-height: 95%;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.feature-card__action {
  align-self: flex-end;
  justify-self: center;
  min-height: 32px;
  width: fit-content;
  padding: 0 24px;
  font-size: var(--font-body-lg);
}

/* 隐藏占位按钮但保留原始布局高度 */
.feature-card__action--placeholder {
  visibility: hidden;
  pointer-events: none;
}

.feature-card .ui-title--sm {
  font-size: var(--font-title-sm);
  line-height: 1.28;
}

/* culture 区渐变遮罩 */
.section-culture::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: var(--culture-overlay-gradient);
}

/* news 区遮罩层 */
.section-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
}

.section-culture .page-content,
.section-news .page-content {
  z-index: 3;
}

.section-international .page-content {
  padding-top: clamp(84px, 9vh, 112px);
  z-index: 3;
}

/* culture 与 news 内容骨架 */
.culture-layout,
.news-layout {
  position: relative;
  z-index: 3;
}

.news-layout {
  max-width: min(1520px, 80vw);
}

.international-layout {
  position: relative;
  z-index: 3;
}

.culture-layout > .section-heading,
.news-layout > .section-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.international-layout > .section-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.culture-layout > .culture-list,
.news-layout > .news-grid {
  min-height: 0;
}

.culture-layout > .section-culture__action,
.news-layout > .section-news__action {
  align-items: center;
  min-height: 0;
}

.section-culture .ui-title,
.section-culture .ui-title {
  color: var(--ui-color-white);
}

.section-international .ui-title {
  color: var(--ui-color-white);
}

.section-product-showcase-mobile {
  display: none;
}

.product-showcase-mobile-layout {
  display: grid;
  gap: 24px;
}

/* 文化卡正文文字颜色 */
.culture-list {
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2.6vw, 18px);
  width: min(1240px, 88%);
  min-height: 0;
  height: 100%;
  margin: 0 auto;
}

.culture-card {
  min-height: 0;
  height: 100%;
  min-height: var(--culture-card-height);
}

.culture-card__back,
.culture-card__front {
  border-radius: 0 0 var(--culture-card-radius) var(--culture-card-radius);
}

.culture-card__back {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: stretch;
  width: 100%;
  height: 100%;
  min-height: inherit;
  background: var(--ui-color-white);
  box-shadow: var(--ui-shadow-subtle);
  overflow: hidden;
}

.culture-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  height: 100%;
  aspect-ratio: 1 / 1;
  color: var(--ui-color-brand-blue-strong);
  font-size: var(--culture-card-icon-size);
}

.culture-card__icon img {
  display: block;
  width: clamp(52px, 54%, 78px);
  height: auto;
  object-fit: contain;
}

.culture-card__front {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  padding: var(--culture-card-front-pad-y) var(--culture-card-front-pad-x);
  background: var(--culture-card-front-bg);
}

.culture-card__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 95%;
  text-align: left;
  gap: 4px;
}

.culture-card .ui-title {
  color: var(--ui-text-body);
  margin: 0;
}

.culture-card .ui-title--sm {
  font-size: var(--font-title-md);
  font-weight: 600;
}

.culture-card .ui-title--line {
  --ui-title-line-gap: clamp(2px, 0.9vw, 6px);
  --ui-title-line-thickness: 2px;
}

.culture-card .ui-text {
  color: var(--ui-text-secondary);
  line-height: 1.4;
  font-size: var(--font-body-lg);
}

.section-culture__action,
.section-news__action {
  display: flex;
  justify-content: center;
  padding-top: 10px;
}

/* news 卡片区块 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(var(--news-grid-columns), minmax(0, 1fr));
  gap: clamp(22px, 2.6vw, 42px);
  width: 100%;
  min-height: 0;
  height: 100%;
  grid-auto-rows: 1fr;
  align-items: stretch;
}

.section-news .news-card {
  box-shadow: var(--ui-shadow-subtle);
  --io-extra-transition-property: box-shadow;
  --io-extra-transition-duration: 0.2s;
  --io-extra-transition-easing: ease;
  --io-extra-transition-delay: 0ms;
}

.section-news .news-card:not([data-io]) {
  transition: box-shadow var(--io-extra-transition-duration, 0.2s)
    var(--io-extra-transition-easing, ease);
}

.section-news .news-card:hover,
.section-news .news-card:focus-within {
  box-shadow: var(--ui-shadow-medium);
}

/* news-card 结构 */
.news-card {
  display: grid;
  grid-template-rows: minmax(0, 0.95fr) minmax(0, 1fr);
  height: 100%;
  min-height: 0;
  padding: 0;
  gap: 0;
  border: 0;
  background: var(--ui-color-white);
  text-align: left;
  overflow: hidden;
}

.news-card__link {
  position: absolute;
  inset: 0;
  z-index: 3;
}

.news-card__link:focus-visible {
  outline: 2px solid var(--ui-color-brand-blue);
  outline-offset: -4px;
}

.news-card__media {
  min-height: 0;
  height: 100%;
  border-radius: 0;
}

.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.news-card__body {
  justify-content: flex-start;
  gap: 8px;
  min-height: 0;
  padding: 18px;
  overflow: hidden;
}

.news-card__meta {
  font-size: var(--font-body-md);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ui-color-text-default);
}

.section-news .ui-title {
  color: var(--ui-color-text-default);
  margin: 0;
}

.section-news .ui-title--sm {
  font-size: var(--font-title-sm);
  line-height: 1.25;
}

.section-news .ui-text {
  font-size: var(--font-body-lg);
  line-height: 1.4;
  color: var(--ui-color-text-default);
}

/* 正文区域占满剩余高度并隐藏溢出 */
.news-card__body .ui-text {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

/* 底部渐隐层 */
.news-card__body .ui-text::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2.8em;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, var(--ui-color-white) 100%);
  pointer-events: none;
}

@media (max-width: 1199.98px) {
  /* 首页区块 ui-shell 宽度 */
  .page-home .page-content > .ui-shell {
    max-width: none;
  }

  /* 移动端区块自然高度 */
  .overview-layout,
  .culture-layout,
  .international-layout,
  .news-layout {
    height: auto;
    min-height: 0;
    max-height: none;
    grid-template-rows: auto;
    margin: 0;
    gap: 24px;
  }

  .section-overview :is(.ui-grid, .ui-card),
  .section-culture :is(.ui-grid, .ui-card, .culture-card),
  .section-international :is(.ui-stack),
  .section-news :is(.ui-grid, .ui-card) {
    max-height: none;
  }

  .section-overview .page-content {
    padding:
      clamp(20px, 6vw, 28px)
      clamp(16px, 5vw, 24px)
      clamp(20px, 6vw, 28px);
  }

  .section-international .page-content,
  .section-culture .page-content,
  .section-news .page-content {
    padding:
      clamp(32px, 9vw, 52px)
      clamp(16px, 5vw, 24px)
      clamp(32px, 9vw, 52px);
  }

  .news-card__body {
    overflow: visible;
  }

  .news-card__body .ui-text {
    flex: none;
    overflow: visible;
    position: static;
  }

  .news-card__body .ui-text::after {
    display: none;
  }

  /* 国际区视频画布 */
  .section-international {
    display: block;
    min-height: 0;
    overflow: hidden;
    background: #000;
  }

  .section-international .page-bg {
    position: relative;
    inset: auto;
    width: 100%;
    /* poster 比例预占高度 */
    aspect-ratio: 1280 / 676;
    line-height: 0;
    overflow: hidden;
  }

  .section-international .page-bg > video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .section-international .page-content {
    position: absolute;
    inset: 0;
    min-height: 0;
    padding: 0;
  }

  /* 国际区标题内边距 */
  .section-international .international-layout {
    width: 100%;
    max-width: none;
    height: 100%;
    padding:
      clamp(32px, 9vw, 52px)
      clamp(16px, 5vw, 24px)
      clamp(32px, 9vw, 52px);
    box-sizing: border-box;
  }

  /* 移动端国际区标题 */
  .section-international .ui-title {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-title-md);
    font-weight: 400;
    line-height: 1.18;
    letter-spacing: 0.03em;
    white-space: normal;
    text-wrap: balance;
    padding-inline: 4px;
  }

  .section-overview__advantages,
  .section-overview__features,
  .news-grid {
    grid-template-columns: 1fr;
    height: auto;
  }

  /* overview 桌面产品卡 */
  .section-overview__features--desktop {
    display: none;
  }

  /* 独立多产品区 */
  .section-product-showcase-mobile {
    display: flex;
    background: linear-gradient(180deg, var(--ui-color-home-showcase-mobile-start) 0%, var(--ui-color-home-showcase-mobile-end) 100%);
  }

  /* 独立产品区内边距 */
  .section-product-showcase-mobile .page-content {
    padding-top: clamp(20px, 6vw, 28px);
    padding-bottom: clamp(20px, 6vw, 28px);
  }

  .section-product-showcase-mobile .product-showcase-mobile-layout {
    gap: 0;
  }

  .section-product-showcase-mobile .ui-title {
    color: var(--ui-color-text-default);
  }

  /* 双列产品卡网格 */
  .product-page__features--mobile {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    margin: 0;
    gap: 0;
  }

  /* 产品卡外观 */
  .product-page__features--mobile .feature-card {
    height: auto;
    gap: clamp(8px, 0.9vh, 12px);
    padding: 5px 20px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .product-page__features--mobile .feature-card::before {
    background-color: transparent;
    background-image: none;
    transform: none;
  }

  .product-page__features--mobile .feature-card,
  .product-page__features--mobile .feature-card::before,
  .product-page__features--mobile .feature-card__body,
  .product-page__features--mobile .feature-card__media {
    border-radius: 0;
  }

  /* 产品卡按钮圆角 */
  .product-page__features--mobile .feature-card__action {
    border-radius: var(--ui-radius-pill);
  }

  /* 产品图片区 */
  .product-page__features--mobile .feature-card__media {
    padding: 0;
  }

  .product-page__features--mobile .feature-card__media img {
    max-width: 78%;
    max-height: 120px;
  }

  /* overview 优势条 */
  .section-overview__advantages {
    display: none;
  }

  .section-overview__advantages {
    padding: 20px 0;
    gap: 18px;
  }

  .overview-advantage {
    gap: 12px;
  }

  /* 移动端 event 卡改为 1:2 双栏并压缩高度 */
  .event-card {
    grid-template-columns: minmax(0, 3fr) minmax(0, 4fr);
    height: auto;
    min-height: 0;
  }

  .event-card__media {
    min-height: clamp(104px, 24vw, 124px);
    height: auto;
    border-radius: var(--ui-radius-sm) 0 0 var(--ui-radius-sm);
  }

  .event-card__overlay-title {
    font-size: clamp(28px, 7vw, 40px);
  }

  .event-card__body {
    padding: 14px 16px;
  }

  .event-card .ui-title--md {
    font-size: var(--font-title-sm);
    line-height: 1.25;
  }

  /* 移动端标题不显示装饰下划线 */
  .event-card .ui-title--line-fixed {
    gap: 0;
  }

  .event-card .ui-title--line-fixed::after {
    display: none;
  }

  .culture-list {
    width: 100%;
    height: auto;
    grid-template-rows: none;
    gap: 16px;
  }

  /* 企业文化卡单列布局 */
  .culture-card {
    min-height: 0;
  }

  .culture-card__back {
    grid-template-columns: max-content minmax(0, 1fr);
    grid-template-areas:
      "icon title"
      "body body";
    justify-content: stretch;
    align-content: center;
    justify-items: start;
    row-gap: 12px;
    column-gap: 10px;
    min-height: 0;
    padding: 18px 20px;
    border-radius: var(--culture-card-radius);
    background: var(--culture-card-front-bg);
  }

  .culture-card__front,
  .culture-card__content {
    display: contents;
  }

  .culture-card__icon {
    grid-area: icon;
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    justify-self: start;
    width: 1.4em;
    height: 1.2em;
    color: inherit;
    font-size: var(--font-title-md);
  }

  /* 文化卡图标盒子 */
  .culture-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .culture-card .ui-title--sm {
    grid-area: title;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-height: 1em;
    text-align: left;
  }

  /* 标题装饰线 */
  .culture-card .ui-title--line::before,
  .culture-card .ui-title--line::after {
    display: none;
  }

  .culture-card .ui-text {
    grid-area: body;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
  }

  .culture-card__front {
    min-height: 0;
    padding: 0;
    background: transparent;
  }

  .culture-card,
  .news-card {
    height: auto;
  }

  .news-grid {
    grid-auto-rows: auto;
    gap: 18px;
  }

  .news-card {
    grid-template-rows: auto auto;
  }

  /* news 首图高度 */
  .news-card__media {
    height: clamp(148px, 38vw, 188px);
  }
}