/* ============================================================
   首页专属样式
   ============================================================ */

/* ---------- 轮播图（满屏 100vh · 普冉同款左文右图） ---------- */
.hero-slider {
  position: relative;
  overflow: hidden;
  background: #04121f;
}

.hero-slider .slides { position: relative; }

.hero-slider .slide {
  display: none;
  position: relative;
  width: 100%;
  height: calc(100vh - 133px);
  min-height: 520px;
}

.hero-slider .slide.active { display: block; animation: slideFade 1s ease both; }

.hero-slider .slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Ken Burns 动效：当前帧图片缓慢缩放（普冉式高级感） */
.hero-slider .slide.active img {
  animation: kenBurns 6s ease-out both;
}

@keyframes kenBurns {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

/* 普冉 slide_ab：绝对定位垂直居中文字区（左侧） */
.hero-slider .slide .slide-ab {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  right: 0;
  z-index: 5;
}

.hero-slider .slide .slide-inner {
  width: var(--container);
  max-width: 100%;
  margin: 0 auto;
  padding: 0 max(5vw, 24px);
}

/* 标题区渐入（普冉 swiper-animate fadeInUp） */
.hero-slider .slide.active .slide-content1,
.hero-slider .slide.active .slide-content2,
.hero-slider .slide.active .slide-content3 {
  animation: fadeInUp .8s ease both;
}
.hero-slider .slide.active .slide-content2 { animation-delay: .12s; }
.hero-slider .slide.active .slide-content3 { animation-delay: .24s; }

.hero-slider .slide .slide-kicker {
  color: rgba(255,255,255,.78);
  font-size: 15px;
  letter-spacing: 6px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero-slider .slide .slide-title {
  color: #fff;
  font-size: clamp(34px, 4.6vw, 60px);
  font-weight: bold;
  letter-spacing: 4px;
  line-height: 1.3;
  text-shadow: 0 2px 16px rgba(0,0,0,.4);
  margin-bottom: 18px;
}

.hero-slider .slide .slide-sub {
  color: rgba(255,255,255,.85);
  font-size: clamp(14px, 1.2vw, 17px);
  letter-spacing: 2px;
  line-height: 1.9;
  max-width: 560px;
}

/* 普冉 pu_link 白色下划线按钮 */
.hero-slider .slide .slide-cta {
  margin-top: 40px;
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-slider .slide .pu-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 17px;
  letter-spacing: 2px;
  position: relative;
  padding: 0 2px 10px;
  border-bottom: 2px solid rgba(255,255,255,.85);
}

.hero-slider .slide .pu-link::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--brand-blue);
  transition: width .4s;
  z-index: 1;
}

.hero-slider .slide .pu-link:hover { padding-right: 8px; }
.hero-slider .slide .pu-link:hover::before { width: 100%; }
.hero-slider .slide .pu-link .arr { transition: transform .3s; }
.hero-slider .slide .pu-link:hover .arr { transform: translateX(6px); }

/* 赛事帧专属元素 */
.hero-slider .slide.slide-contest .contest-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 20px;
  border: 1px solid rgba(255,255,255,.6);
  background: rgba(9,93,173,.5);
  color: #fff;
  font-size: 14px;
  letter-spacing: 3px;
  margin-bottom: 22px;
  backdrop-filter: blur(3px);
}

.hero-slider .slide.slide-contest .slide-title .em { color: #8FD4FF; }

.hero-slider .slide.slide-contest .contest-meta {
  display: flex;
  gap: 36px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.hero-slider .slide.slide-contest .contest-meta .m-item { color: rgba(255,255,255,.88); }

.hero-slider .slide.slide-contest .contest-meta .m-num {
  font-size: 28px;
  font-weight: bold;
  color: #8FD4FF;
  letter-spacing: 1px;
}

.hero-slider .slide.slide-contest .contest-meta .m-label { font-size: 13px; color: rgba(255,255,255,.62); letter-spacing: 2px; margin-top: 2px; }

@keyframes slideFade {
  from { opacity: .25; }
  to { opacity: 1; }
}

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

/* 普冉式分页点（长条+当前项进度条动效） */
.hero-slider .slider-dots {
  position: absolute;
  bottom: 34px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 10;
}

.hero-slider .dot {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 3px;
  margin: 0 5px;
  border-radius: 2px;
  background: rgba(255,255,255,.35);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: background .3s;
}

.hero-slider .dot.active { background: rgba(255,255,255,.35); }

/* 当前项的进度填充条（随轮播时间走） */
.hero-slider .dot.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: #fff;
  animation: dotProgress 4.5s linear both;
}

@keyframes dotProgress {
  from { width: 0; }
  to { width: 100%; }
}

/* ---------- 核心产品（普冉式 5 列真图卡） ---------- */
.core-product {
  background: #fff;
  padding: 72px 0 78px;
}

/* 普冉式标题体系：左侧主标题 + 右侧"全部产品"下划线链接 */
.core-product .cp-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.core-product .cp-title {
  position: relative;
  font-size: 38px;
  font-weight: bold;
  color: var(--text-dark);
  letter-spacing: 3px;
  line-height: 1;
  margin: 0 0 14px;
}

.core-product .cp-sub {
  font-size: 15px;
  color: #666;
  letter-spacing: 1px;
  margin: 0;
}

/* 普冉 pu_link：黑色下划线链接，hover 蓝线展开 */
.core-product .cp-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  color: #1a1a1a;
  font-size: 15px;
  letter-spacing: 1px;
  padding: 0 2px 8px;
  border-bottom: 2px solid #1a1a1a;
  transition: padding .4s;
}

.core-product .cp-all::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--brand-blue);
  transition: width .4s;
  z-index: 1;
}

.core-product .cp-all:hover { padding-right: 12px; }
.core-product .cp-all:hover::before { width: 100%; }
.core-product .cp-all .arr { transition: transform .3s; }
.core-product .cp-all:hover .arr { transform: translateX(5px); }

/* 5 列卡片容器（普冉 pr_box：flex 均分，卡间小间距） */
.core-product .cp-box {
  display: flex;
  gap: 10px;
  margin-top: 40px;
}

/* 单卡：普冉 slide（真图底 + 默认底部标题 de_ab1 + hover 浮层 de_ab2） */
.core-product .cp-card {
  position: relative;
  flex: 1;
  height: 460px;
  overflow: hidden;
  display: block;
  background: #0a1622;
}

/* 真图底（普冉 de_img） */
.core-product .cp-card .cp-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.core-product .cp-card:hover .cp-img { transform: scale(1.05); }

/* 底部常态压深条（确保白字可读，普冉式） */
.core-product .cp-card .cp-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4,14,26,.05) 0%, rgba(4,14,26,0) 42%, rgba(4,14,26,.68) 100%);
}

/* 默认层（普冉 de_ab1）：底部居中白色标题 */
.core-product .cp-card .cp-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 30px;
  z-index: 1;
  text-align: center;
  color: #fff;
  transition: opacity .4s ease;
}

.core-product .cp-card .cp-zh {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 5px;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}

.core-product .cp-card .cp-en {
  font-size: 11px;
  letter-spacing: 3px;
  color: rgba(255,255,255,.72);
  margin-top: 6px;
  text-transform: uppercase;
}

/* hover 浮层（普冉 de_ab2：整层深蓝压底 + 内容上浮滑入） */
.core-product .cp-card .cp-hover {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 28px 22px;
  background: linear-gradient(180deg, rgba(5,25,45,.88) 0%, rgba(4,20,38,.86) 100%);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .45s ease, transform .45s ease;
}

.core-product .cp-card:hover .cp-hover { opacity: 1; transform: translateY(0); }
.core-product .cp-card:hover .cp-label { opacity: 0; }

.core-product .cp-card .cp-hover .h-zh {
  font-size: 27px;
  font-weight: bold;
  color: #fff;
  letter-spacing: 6px;
  margin-bottom: 8px;
}

.core-product .cp-card .cp-hover .h-en {
  font-size: 12px;
  letter-spacing: 4px;
  color: #7FC4F0;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.core-product .cp-card .cp-hover .h-desc {
  font-size: 13.5px;
  line-height: 1.95;
  color: rgba(255,255,255,.92);
  max-width: 230px;
}

.core-product .cp-card .cp-hover .h-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-top: 18px;
}

.core-product .cp-card .cp-hover .h-tags span {
  font-size: 12px;
  color: rgba(255,255,255,.9);
  padding: 3px 11px;
  letter-spacing: 1px;
}

/* AI 卡 hover：数据背书行 */
.core-product .cp-card[data-cat="ai"] .cp-hover .h-stats {
  display: flex;
  gap: 34px;
  margin-top: 18px;
}

.core-product .cp-card[data-cat="ai"] .cp-hover .h-stats .s-num {
  font-size: 27px;
  font-weight: bold;
  color: #7FC4F0;
  letter-spacing: 1px;
}

.core-product .cp-card[data-cat="ai"] .cp-hover .h-stats .s-label {
  font-size: 12px;
  color: rgba(255,255,255,.62);
  letter-spacing: 2px;
  margin-top: 4px;
}

/* ---------- 应用领域（普冉式场景轮播） ---------- */
.app-section {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 70px 0;
}

.app-bg-wrap { position: absolute; inset: 0; }

.app-bg-pic {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s ease;
}

.app-bg-pic.active { opacity: 1; }

.app-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(4,16,30,.88) 0%, rgba(4,16,30,.55) 55%, rgba(4,16,30,.30) 100%);
}

.app-inner { position: relative; z-index: 2; width: var(--container); margin: 0 auto; }

.app-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 34px;
}

.section-title.white {
  font-size: 36px;
  color: #fff;
  letter-spacing: 3px;
  text-align: left;
  margin: 0;
  position: relative;
  padding-left: 18px;
}

.section-title.white::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 30px;
  background: var(--brand-blue);
}

.app-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.app-tab {
  padding: 10px 22px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.28);
  color: rgba(255,255,255,.85);
  font-size: 14px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all .3s;
  backdrop-filter: blur(4px);
}

.app-tab:hover { background: rgba(255,255,255,.22); color: #fff; }

.app-tab.active {
  background: var(--brand-deep);
  border-color: var(--brand-deep);
  color: #fff;
}

.app-panel { position: relative; min-height: 150px; }

.app-item {
  display: none;
  animation: fadeInUp .5s ease both;
}

.app-item.active { display: block; }

.app-item-title {
  font-size: 30px;
  font-weight: bold;
  color: #fff;
  letter-spacing: 4px;
  margin-bottom: 14px;
}

.app-item-desc {
  font-size: 15px;
  line-height: 1.95;
  color: rgba(255,255,255,.88);
  max-width: 620px;
  margin-bottom: 24px;
}

/* ---------- 关于我们（普冉式卡片） ---------- */
.about-card-section {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 60px 0;
}

.about-bg-wrap { position: absolute; inset: 0; }

.about-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(5,20,38,.85) 0%, rgba(5,20,38,.40) 58%, rgba(5,20,38,.12) 100%);
}

.about-inner { position: relative; z-index: 2; width: var(--container); margin: 0 auto; }

.about-card {
  max-width: 560px;
  color: #fff;
}

.about-card-title {
  font-size: 36px;
  font-weight: bold;
  letter-spacing: 4px;
  margin-bottom: 18px;
  position: relative;
  padding-left: 18px;
}

.about-card-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 30px;
  background: var(--brand-blue);
}

.about-card-desc {
  font-size: 15px;
  line-height: 1.95;
  color: rgba(255,255,255,.9);
  margin-bottom: 26px;
}

.about-facts {
  display: flex;
  gap: 44px;
  margin-bottom: 28px;
}

.fact-item .fact-label {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.fact-item .fact-value {
  font-size: 24px;
  font-weight: bold;
  color: #8FD4FF;
  letter-spacing: 1px;
}

/* ---------- 新闻活动（普冉式） ---------- */
.news-section { background: #F7F9FB; padding: 64px 0 72px; }

.news-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

/* 左侧新闻轮播：固定尺寸比例，图片cover填充不变形不溢出 */
.news-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: #0a1622;
  aspect-ratio: 4 / 3;
  max-height: 420px;
  width: 100%;
}

/* 右侧新闻列表：与轮播同高对齐 */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  max-height: 420px;
  justify-content: space-between;
}

.news-slides { position: absolute; inset: 0; }

.news-slide {
  display: none;
  position: absolute;
  inset: 0;
  cursor: default;
  user-select: none;
}

.news-slide.active { display: block; animation: slideFade 1s ease both; }

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

.news-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4,14,26,0) 45%, rgba(4,14,26,.82) 100%);
}

.news-slide-info {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  z-index: 2;
  color: #fff;
}

.news-slide-title {
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 1px;
  line-height: 1.5;
  margin-bottom: 5px;
}

.news-carousel-dots {
  position: absolute;
  bottom: 14px;
  right: 18px;
  z-index: 3;
  display: flex;
  gap: 6px;
}

.news-carousel-dots .nc-dot {
  width: 20px;
  height: 3px;
  background: rgba(255,255,255,.4);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background .3s;
}

.news-carousel-dots .nc-dot.active { background: #fff; }

.news-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  background: #fff;
  padding: 20px 22px;
  border-left: 3px solid transparent;
  transition: all .25s;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}

.news-row:hover {
  border-left-color: var(--brand-deep);
  transform: translateX(4px);
}

/* "更多新闻"链接（链到公众号） */
.news-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--brand-deep);
  font-size: 14px;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
  transition: border-color .3s, gap .3s;
}

.news-more-link:hover {
  border-bottom-color: var(--brand-deep);
  gap: 12px;
}

.news-more-link .arr { transition: transform .3s; }
.news-more-link:hover .arr { transform: translateX(4px); }

.news-row-title {
  flex: 1;
  font-size: 15px;
  color: #333;
  line-height: 1.6;
  transition: color .25s;
}

.news-row:hover .news-row-title { color: var(--brand-deep); }

.news-row .news-date {
  flex-shrink: 0;
  font-size: 12px;
  color: #999;
  letter-spacing: 1px;
  padding-top: 2px;
}

/* ---------- 联系我们（首页底部） ---------- */
.home-contact { padding: 46px 0 10px; }

.home-contact-grid {
  display: flex;
  gap: 30px;
  margin-top: 34px;
}

.contact-map {
  flex: 0 0 490px;
  height: 278px;
  overflow: hidden;
  position: relative;
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(6,30,53,.10);
}

.contact-map iframe { width: 100%; height: 100%; border: 0; }

/* 静态地图图片（替代高德地图模块，避免自动滚动） */
.contact-map .contact-map-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact-map .contact-map-addr {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(6,30,53,0) 0%, rgba(6,30,53,.82) 60%);
  color: #fff;
  font-size: 13px;
  letter-spacing: 1px;
  line-height: 1.5;
}

.contact-map .contact-map-addr .map-pin { margin-right: 4px; }

.contact-cards {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px 30px;
  align-content: start;
  padding-top: 6px;
}

.contact-card {
  border-left: 3px solid var(--brand-blue);
  padding-left: 14px;
}

.contact-card .card-label {
  font-size: 15px;
  color: var(--text-dark);
  font-weight: bold;
  margin-bottom: 4px;
}

.contact-card .card-value {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero-slider .slide { height: calc(100vh - 100px); min-height: 440px; }
  .hero-slider .slide .slide-title { font-size: clamp(30px, 4.2vw, 44px); }
  .hero-slider .slide.slide-contest .contest-meta { gap: 22px; }

  /* 核心产品：5列 → 3列 + AI卡2/3宽 */
  .core-product .cp-box { flex-wrap: wrap; gap: 10px; }
  .core-product .cp-card { flex: 1 1 calc(33.33% - 8px); height: 340px; }
  .core-product .cp-card[data-cat="ai"] { flex-basis: calc(66.66% - 8px); }
  .core-product .cp-card .cp-hover .h-desc { font-size: 12.5px; max-width: 200px; }
  .core-product .cp-card .cp-hover .h-zh { font-size: 24px; letter-spacing: 4px; }
  .core-product .cp-title { font-size: 30px; }

  /* 应用领域 */
  .app-section { min-height: auto; padding: 50px 0; }
  .section-title.white { font-size: 28px; }
  .app-item-title { font-size: 24px; }

  /* 关于我们 */
  .about-card-section { min-height: 400px; }
  .about-card { max-width: 480px; }
  .about-card-title { font-size: 28px; }

  /* 新闻 */
  .news-grid { grid-template-columns: 1fr; }
  .news-feature img { min-height: 220px; }

  .home-contact-grid { flex-direction: column; }
  .contact-map { flex: none; width: 100%; height: 240px; }
}

@media (max-width: 768px) {
  .hero-slider .slide { height: 68vh; min-height: 400px; }
  .hero-slider .slide .slide-title { font-size: 27px; letter-spacing: 2px; }
  .hero-slider .slide .slide-sub { font-size: 13px; max-width: 92%; }
  .hero-slider .slide .slide-cta { margin-top: 24px; gap: 16px; }
  .hero-slider .slide .pu-link { font-size: 14px; }
  .hero-slider .slide.slide-contest .contest-meta { gap: 16px; margin-top: 18px; }
  .hero-slider .slide.slide-contest .contest-meta .m-num { font-size: 20px; }
  .hero-slider .slide.slide-contest .contest-badge { font-size: 12px; padding: 5px 14px; }
  .hero-slider .dot { width: 24px; }
  .hero-slider .slider-dots { bottom: 20px; }

  /* 核心产品：单列竖排 */
  .core-product { padding: 40px 0 46px; }
  .core-product .cp-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .core-product .cp-title { font-size: 27px; }
  .core-product .cp-sub { font-size: 13px; }
  .core-product .cp-all { font-size: 13px; }
  .core-product .cp-box { flex-direction: column; gap: 10px; margin-top: 28px; }
  .core-product .cp-card { flex: none; width: 100%; height: 300px; }
  .core-product .cp-card[data-cat="ai"] { flex-basis: auto; height: 360px; }
  .core-product .cp-card .cp-zh { font-size: 20px; letter-spacing: 4px; }
  .core-product .cp-card .cp-hover .h-zh { font-size: 23px; letter-spacing: 4px; }
  .core-product .cp-card .cp-hover .h-desc { font-size: 12.5px; max-width: 280px; }

  /* 应用领域 */
  .app-section { padding: 40px 0; }
  .app-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 20px; }
  .section-title.white { font-size: 24px; padding-left: 14px; }
  .section-title.white::before { height: 24px; }
  .app-tabs { gap: 8px; margin-bottom: 22px; }
  .app-tab { padding: 8px 16px; font-size: 12px; letter-spacing: 1px; }
  .app-item-title { font-size: 21px; }
  .app-item-desc { font-size: 13.5px; max-width: 100%; }

  /* 关于我们 */
  .about-card-section { min-height: 340px; padding: 40px 0; }
  .about-card { max-width: 100%; }
  .about-card-title { font-size: 24px; padding-left: 14px; }
  .about-card-title::before { height: 24px; }
  .about-card-desc { font-size: 13.5px; }
  .about-facts { gap: 28px; margin-bottom: 22px; }
  .fact-item .fact-value { font-size: 20px; }

  /* 新闻 */
  .news-section { padding: 40px 0 46px; }
  .news-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 24px; }
  .news-feature img { min-height: 190px; }
  .news-row { padding: 16px 18px; }

  .contact-cards { grid-template-columns: 1fr; gap: 18px; }
}