/* 首页样式 */

.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1300;
  box-shadow: var(--shadow-nav);
}

.topbar-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  width: 350px;
  max-width: 100%;
  height: auto;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: opacity var(--ease);
}

.logo:hover {
  opacity: 0.9;
}

.logo img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.nav {
  display: flex;
  gap: 10px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

.btn-lang-toggle {
  height: auto;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  gap: 4px;
  cursor: pointer;
  transition: color var(--ease);
}

.btn-lang-toggle:hover {
  color: var(--color-primary);
}

.btn-lang-item {
  opacity: 0.6;
  line-height: 1;
}

.btn-lang-item.is-active {
  opacity: 1;
  color: var(--color-primary);
  font-weight: 600;
}

a.btn-lang-item {
  text-decoration: none;
  color: inherit;
}

.btn-lang-divider {
  opacity: 0.4;
  line-height: 1;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0;
  padding: 6px 8px;
  min-width: 120px;
  background: #fff;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  z-index: 10;
  transition: opacity 140ms ease, transform 140ms ease;
  transform: translateY(-4px);
}

.lang-option {
  width: 100%;
  padding: 6px 8px;
  background: transparent;
  border: 0;
  text-align: left;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
}

.lang-option:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.lang-option.is-active {
  font-weight: 600;
  color: var(--color-primary);
}

a.lang-option {
  display: block;
  text-decoration: none;
  box-sizing: border-box;
}

a.mobile-lang-option {
  text-decoration: none;
  text-align: center;
  box-sizing: border-box;
}

.lang-switch:hover .lang-dropdown,
.lang-switch:focus-within .lang-dropdown {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-link {
  position: relative;
  padding: 10px 18px;
  border: 0;
  color: var(--text-secondary);
  background: transparent;
  font-size: 16px;
  line-height: 1;
  transition: color var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--ease);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link:focus-visible {
  outline: none;
  color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-soft);
}

.nav-link.is-active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.is-active::after {
  transform: scaleX(1);
}

.hero {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg-section);
  height: 600px;
  display: flex;
  align-items: stretch;
}

/* 焦点图轮播（Swiper 7）：全宽贴边，不受 .container 限宽 */
.hero-swiper.swiper {
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  height: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 0;
}

.hero-swiper .swiper-wrapper {
  height: 100%;
  position: relative;
}

.hero-swiper .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-swiper .swiper-slide-active {
  z-index: 1;
}

.slide-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.slide-img {
  width: 100%;
  height: 100%;
  max-width: none;
  display: block;
  object-fit: cover;
}

.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 28px;
  height: 48px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.95);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 120ms ease, color 120ms ease;
}

.hero-swiper .swiper-button-prev:hover,
.hero-swiper .swiper-button-next:hover {
  color: #ffffff;
  transform: translateY(-50%) scale(1.05);
}

.hero-swiper .swiper-button-prev:focus,
.hero-swiper .swiper-button-next:focus {
  outline: none;
  box-shadow: none;
}

.hero-swiper .swiper-button-prev:focus-visible,
.hero-swiper .swiper-button-next:focus-visible {
  outline: none;
  box-shadow: none;
}

.hero-swiper .swiper-button-prev {
  left: 18px;
}

.hero-swiper .swiper-button-next {
  right: 18px;
}

.hero-swiper .swiper-button-prev::after,
.hero-swiper .swiper-button-next::after {
  font-size: 52px;
  line-height: 1;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.95);
}

.hero-swiper .swiper-button-prev::after {
  content: "‹";
}

.hero-swiper .swiper-button-next::after {
  content: "›";
}

.hero-swiper .swiper-pagination {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 22px;
  z-index: 3;
  display: flex;
  gap: 10px;
  width: auto;
}

.hero-swiper .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 0;
  margin: 0 !important;
  background: rgba(255, 255, 255, 0.5);
  opacity: 1;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.hero-swiper .swiper-pagination-bullet-active {
  background: #ffffff;
  transform: scale(1.25);
  box-shadow: 0 0 0 2px var(--color-primary-soft);
}

.section {
  padding: 80px 0;
}

/* 板块标题：中文大标题 + 居中红短线 + 英文副标题 */
.section-head {
  text-align: center;
  margin: 0 0 44px;
}

.section-title {
  margin: 0;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.section-title::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  margin: 12px auto 10px;
  background: var(--color-primary);
}

.section-subtitle {
  margin: 0;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* 会员寄语 */
.section-message {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.message-top {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 26px;
  align-items: stretch;
}

.quote-card {
  background: transparent;
  min-height: 400px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 28px 24px;
  border: 0;
}

.chairman-content {
  color: var(--text-primary);
}

.chairman-name {
  margin: 0 0 6px;
  font-size: 30px;
  line-height: 1.2;
  color: var(--text-primary);
}

.chairman-role {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--color-primary);
  font-weight: 700;
}

.chairman-intro {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.video-thumb {
  min-height: 400px;
  height: 100%;
  align-self: stretch;
  border-radius: var(--radius);
  background: #000;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.message-video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background-color: #000;
}

.about-block {
  margin-top: 34px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding-top: 26px;
}

.about-heading {
  margin-bottom: 16px;
}

.about-cn {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.about-en {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 18px;
  align-items: start;
  border-left: 2px solid var(--border);
  padding-left: 18px;
}

.about-image {
  height: 150px;
  border-radius: 2px;
  background: linear-gradient(120deg, #b7e0ea 0%, #7fb3cf 55%, #4d89b5 100%);
}

.about-text-wrap {
  padding-top: 8px;
}

.about-text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* 关于我们（下方分区）：整段板块统一浅灰背景 */
.section-about {
  background: var(--bg-section);
}

.about-page {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 34px;
  align-items: center;
}

.about-page-image-wrap {
  position: relative;
  height: 450px;
}

.about-page-image-wrap::before {
  content: "";
  position: absolute;
  left: -16px;
  bottom: -18px;
  width: 210px;
  height: 120px;
  background: var(--color-primary);
  z-index: 0;
}

.about-page-image {
  position: relative;
  z-index: 1;
  height: 100%;
  border-radius: var(--radius);
  background: var(--border);
  overflow: hidden;
}

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

.about-page-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.08));
  pointer-events: none;
}

.about-page-text {
  position: relative;
  background: transparent;
  padding: 28px 30px;
}

.about-page-title {
  margin: 0 0 18px;
  font-size: 26px;
  line-height: 1.25;
  color: var(--text-primary);
  font-weight: 800;
}

.about-page-paragraph {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-secondary);
}

/* 「查看更多 / 查看详情」统一：默认线框无填充，悬停主色底；右侧箭头 */
.about-more-btn {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 400;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius);
  padding: 10px 22px;
  border: 1px solid var(--border);
  transition: background-color var(--ease), border-color var(--ease), color var(--ease),
    box-shadow var(--ease);
}

.about-more-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  color: #fff;
}

.about-more-btn .btn-more-arrow {
  display: inline-block;
  font-size: 1em;
  line-height: 1;
  font-weight: 400;
  transition: transform var(--ease);
}

.about-more-btn:hover .btn-more-arrow,
.about-more-btn:focus-visible .btn-more-arrow {
  transform: translateX(5px);
}

/* 新闻整条悬停时，「查看详情」箭头与按钮悬停一致 */
.news-card:hover .news-more-btn .btn-more-arrow,
.news-card:focus-visible .news-more-btn .btn-more-arrow {
  transform: translateX(5px);
}

.news-more-btn {
  margin-top: 0;
}

/* 新闻中心 */
.section-news {
  background: var(--bg-card);
}
/* 
.section-news .section-title {
  font-size: clamp(28px, 3.2vw, 34px);
} */

.news-swiper {
  position: relative;
  overflow: hidden;
}

.news-grid {
  display: flex;
  align-items: stretch;
  align-items: stretch;
}

.news-card {
  position: relative;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 0;
  height: 100%;
  transition: box-shadow var(--ease), border-color var(--ease), transform var(--ease);
}

/* 整条新闻为链接：整块可点、同列卡片等高、底部日期与按钮对齐 */
a.news-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  color: inherit;
  text-decoration: none;
}

a.news-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.news-card:hover {
  border-color: rgba(195, 23, 30, 0.25);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

/* 鼠标在整条新闻上时，「查看详情」呈现悬停主色底（与按钮单独悬停一致） */
.news-card:hover .news-more-btn,
.news-card:focus-visible .news-more-btn {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.news-thumb {
  height: 180px;
  background: var(--border);
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.45s ease;
  transform: scale(1);
}

.news-card:hover .news-thumb img,
.news-card:focus-visible .news-thumb img {
  transform: scale(1.08);
}

.news-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 14px 14px 16px;
}

.news-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 8px;
  min-width: 0;
  /* 固定两行高度，避免标题行数不同导致错位 */
  min-height: calc(1.45em * 2);
  /* 最多两行，溢出省略号 */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  line-clamp: 2;
}

.news-desc {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-secondary);
  /* 固定三行高度，描述长短不齐时仍对齐 */
  min-height: calc(1.55em * 3);
  /* 最多三行，溢出省略 */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
  line-clamp: 3;
}

.section-news .about-more-btn.news-more-btn {
  font-size: 14px;
  padding: 6px 16px;
  gap: 8px;
  margin-top: 0;
  /* 纵向 flex 默认 stretch，避免按钮被拉成整行宽 */
  align-self: flex-start;
  width: fit-content;
  max-width: 100%;
}

.news-meta {
  font-size: 16px;
  color: var(--text-muted);
  margin-top: auto;
  margin-bottom: 16px;
}

.news-toolbar {
  margin-top: 26px;
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  position: relative;
  z-index: 3;
  background: var(--bg-card);
}

.news-switch {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease),
    box-shadow var(--ease), transform var(--ease);
}

.news-switch-icon {
  display: block;
  font-size: 18px;
  line-height: 1;
}

.news-switch-prev {
  background: #ffffff;
  border-color: var(--border);
  color: var(--text-secondary);
}

.news-switch-next {
  color: var(--text-secondary);
}

/* 可点击状态悬停：红底白字 */
.news-switch:not(.swiper-button-disabled):not(.swiper-button-lock):hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.news-switch:active {
  transform: translateY(1px);
}

/* Swiper 无法翻页时的按钮状态：仍显示，但灰化且不可点击 */
.news-switch.swiper-button-lock,
.news-switch.swiper-button-disabled {
  display: inline-flex !important;
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  background: #f3f4f6;
  border-color: var(--border);
  color: var(--text-muted);
  box-shadow: none !important;
}

.news-switch.swiper-button-lock:hover,
.news-switch.swiper-button-disabled:hover {
  box-shadow: none;
}

.news-switch.swiper-button-lock:active,
.news-switch.swiper-button-disabled:active {
  transform: none;
}

/* 页脚 */
.footer {
  background: #1e2430;
  height: 88px;
  display: flex;
  align-items: center;
}

.footer-inner {
  display: flex;
  justify-content: center;
}

.footer-text {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ===== 移动端顶部导航（logo + 三横线 + 右侧抽屉） ===== */
.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: relative;
}

.mobile-nav-toggle span {
  position: absolute;
  left: 50%;
  width: 26px;
  height: 3px;
  border-radius: 3px;
  background: var(--color-primary);
  top: 15px;
  transform: translateX(-50%);
  transition: transform 200ms ease, opacity 160ms ease, top 200ms ease;
}

.mobile-nav-toggle span:nth-child(2) {
  top: 21px;
}

.mobile-nav-toggle span:nth-child(3) {
  top: 27px;
}

/* 抽屉打开时：汉堡按钮三横旋转为“关闭”X */
body.mobile-nav-open .mobile-nav-toggle span:nth-child(1) {
  top: 21px;
  transform: translateX(-50%) rotate(45deg);
}

body.mobile-nav-open .mobile-nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.mobile-nav-open .mobile-nav-toggle span:nth-child(3) {
  top: 21px;
  transform: translateX(-50%) rotate(-45deg);
}

.mobile-nav-backdrop {
  position: fixed;
  top: 78px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
  z-index: 1199;
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  position: fixed;
  top: 78px;
  right: 0;
  height: calc(100vh - 78px);
  width: 220px;
  background: #ffffff;
  transform: translateX(100%);
  transition: transform 220ms ease;
  z-index: 1200;
  overflow: auto;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav-header {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
}

.mobile-nav-close {
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--color-primary);
  padding: 0;
  position: relative;
}

.mobile-nav-close span {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
  top: 12px;
  transition: transform 200ms ease, top 200ms ease, opacity 160ms ease;
}

.mobile-nav-close span:nth-child(2) {
  top: 19px;
}

.mobile-nav-close span:nth-child(3) {
  top: 26px;
}

.mobile-nav.is-open .mobile-nav-close span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

.mobile-nav.is-open .mobile-nav-close span:nth-child(2) {
  opacity: 0;
}

.mobile-nav.is-open .mobile-nav-close span:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 16px;
  background: transparent;
  transition: background-color var(--ease), color var(--ease), font-weight var(--ease);
}

.mobile-nav-item:hover,
.mobile-nav-item.is-active {
  background: transparent;
  color: var(--color-primary);
  font-weight: 700;
}

.mobile-nav-item-chevron {
  opacity: 0.7;
  font-size: 14px;
}

/* 抽屉内箭头去掉 */
.mobile-nav-item-chevron {
  display: none;
}

.mobile-lang-block {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}

.mobile-lang-option {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.mobile-lang-option::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 200ms ease;
  z-index: -1;
}

.mobile-lang-option.is-active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
}

.mobile-lang-option:hover {
  border-color: var(--color-primary);
  color: #fff;
}

.mobile-lang-option:hover::before {
  transform: scaleX(1);
}

.mobile-nav-open {
  overflow: hidden;
}

/* 抽屉打开时：确保顶部 header 永远贴顶 */
@media (max-width: 1000px) {
  body.mobile-nav-open {
    padding-top: 78px; /* 与 header 高度保持一致，避免内容被 fixed header 覆盖 */
  }
  body.mobile-nav-open .topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1300;
  }
}

/* 响应式 */
@media (max-width: 1100px) {
  .about-content {
    grid-template-columns: 1fr;
    border-left: 0;
    padding-left: 0;
  }
  .about-page {
    grid-template-columns: 1fr;
  }
}

/* 小于 1000px：整体改为上下布局，并适当缩小间距 */
@media (max-width: 1000px) {
  .section {
    padding: 56px 0;
  }

  /* 顶部焦点图：跟“关于我们图片”同样自适应缩小，但不低于 400px */
  .hero {
    height: auto;
    aspect-ratio: 8 / 3; /* banner_0x.svg: 1600x600 */
    min-height: 200px;
  }

  /* 小于 1000px：彻底关闭 animate.css / WOW 动画 */
  .wow {
    visibility: visible !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .animated {
    animation: none !important;
  }

  /* 顶部导航：logo + 三横线（隐藏桌面栏目） */
  .topbar-right {
    display: none;
  }
  .mobile-nav-toggle {
    display: inline-flex;
  }
  .logo {
    width: min(350px, 56vw);
    max-width: 100%;
    height: auto;
  }

  /* 顶部导航 & 标题字号适当缩小 */
  .nav-link {
    font-size: 15px;
  }

  .section-title {
    font-size: clamp(22px, 2.4vw, 28px);
  }

  .section-subtitle {
    font-size: 14px;
  }

  /* 标题与内容距离缩小 */
  .section-head {
    margin-bottom: 28px;
  }

  /* 会长寄语左右改为上下，间距缩小 */
  .message-top {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .quote-card {
    min-height: 320px;
    padding: 0;
  }
  .video-thumb {
    min-height: 320px;
  }

  /* 关于我们上下布局时收紧间距 */
  .about-page {
    gap: 22px;
  }

  /* 关于我们图片：小屏不固定高度，随宽度自适应缩小 */
  .about-page-image-wrap {
    height: auto;
    aspect-ratio: 5 / 4; /* about_intro.png 为 800x640，保持一致比例 */
  }

  .about-page-title {
    font-size: 22px;
  }

  /* 新闻卡片内边距和按钮区间距略微收紧 */
  .news-body {
    padding: 12px 12px 14px;
  }
  .news-toolbar {
    margin-top: 18px;
  }

  .about-page-text {
    padding: 0;
  }

  /* 去掉内部文字块多余的段落底边距，避免“边距边距再边距” */
  .chairman-intro {
    margin-bottom: 12px;
  }
  .about-page-paragraph {
    margin-bottom: 14px;
  }

  .news-text {
    font-size: 16px;
  }
  .news-desc,
  .news-meta,
  .section-news .about-more-btn.news-more-btn {
    font-size: 14px;
  }
}

/* 系统开启「减少动态效果」时弱化滚动动画（与 index.js 中 WOW 跳过逻辑一致） */
@media (prefers-reduced-motion: reduce) {
  .wow {
    visibility: visible !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}