/* ============================================================
   万世集团有限公司官网 - 全站样式
   布局仿 reference 结构：顶部导航86px / 内页banner500px / 页脚#333
   主题色：#002FA7（克莱因蓝）
   ============================================================ */

:root {
  --main-color: #002FA7;
  --main-color-dark: #00248a;
  --text-dark: #333333;
  --text-gray: #666666;
  --text-light: #999999;
  --border-color: #e5e5e5;
  --footer-bg: #333333;
  --header-h: 86px;
  --banner-h: 500px;
  --container-w: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  font-size: 14px;
  line-height: 1.8;
  background: #fff;
  min-width: 320px;
}

ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; transition: color .3s; }
img { max-width: 100%; border: 0; vertical-align: middle; }
button { font-family: inherit; cursor: pointer; }

.container { width: var(--container-w); max-width: 92%; margin: 0 auto; }

/* ---------- 顶部欢迎条 ---------- */
.top-bar {
  background: #fff;
  color: var(--text-gray);
  font-size: 13px;
  letter-spacing: 2px;
  text-align: left;
  padding: 8px 0 6px;
  line-height: 1.6;
  border-bottom: 1px solid #f0f0f0;
}
.top-bar .container.container,
.top-bar .container { display: block; padding-left: 34px !important; box-sizing: border-box; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: #fff;
  box-shadow: 0 1px 8px rgba(0, 0, 0, .08);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 34px;
}
.header-logo { display: flex; align-items: center; height: 100%; }
.header-logo img { max-height: 56px; width: auto; }

.main-nav { display: flex; align-items: center; height: 100%; }
.main-nav > li { position: relative; height: 100%; }
.main-nav > li > a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 26px;
  font-size: 16px;
  color: var(--text-dark);
  font-weight: bold;
  position: relative;
}
.main-nav > li > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--main-color);
  transition: all .3s;
  transform: translateX(-50%);
}
.main-nav > li > a:hover,
.main-nav > li.active > a { color: var(--main-color); font-weight: bold; }
.main-nav > li.active > a::after,
.main-nav > li > a:hover::after { width: 60%; }

/* 二级下拉 */
.main-nav .sub-nav {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: #fff;
  min-width: 150px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  padding: 8px 0;
  z-index: 99;
}
.main-nav > li:hover .sub-nav { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.sub-nav li a {
  display: block;
  padding: 9px 22px;
  color: var(--text-gray);
  font-size: 14px;
  white-space: nowrap;
  text-align: center;
}
.sub-nav li a:hover { color: #fff; background: var(--main-color); }

/* 移动端汉堡 */
.nav-toggle { display: none; }

/* ---------- 首页视频Banner ---------- */
.home-banner {
  position: relative;
  width: 100%;
  height: calc(100vh - var(--header-h));
  min-height: 520px;
  max-height: 855px;
  overflow: hidden;
  background: #1a1216;
  contain: paint;
}
.home-banner video,
.home-banner .banner-poster {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.home-banner .banner-slogan {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  z-index: 2;
  width: 90%;
}
.home-banner .banner-slogan h2 {
  font-size: 46px;
  letter-spacing: 8px;
  font-weight: bold;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .4);
  margin-bottom: 14px;
}
.home-banner .banner-slogan p {
  font-size: 18px;
  letter-spacing: 5px;
  opacity: .85;
}
.banner-scroll-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .75);
  font-size: 12px;
  letter-spacing: 3px;
  z-index: 2;
  animation: floatUp 2s infinite;
}
@keyframes floatUp {
  0%, 100% { transform: translate(-50%, 0); opacity: .7; }
  50% { transform: translate(-50%, -8px); opacity: 1; }
}

/* ---------- 通用板块标题 ---------- */
.section { padding: 80px 0; }
.section-gray { background: #f7f7f7; }

.sec-title { text-align: center; margin-bottom: 55px; }
.sec-title h2 {
  font-size: 32px;
  color: var(--text-dark);
  font-weight: bold;
  letter-spacing: 3px;
  position: relative;
  display: inline-block;
  padding-bottom: 18px;
}
.sec-title h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 46px;
  height: 3px;
  background: var(--main-color);
}
.sec-title.en-has h2 small {
  display: block;
  font-size: 14px;
  color: var(--text-light);
  letter-spacing: 4px;
  font-weight: normal;
  margin-top: 6px;
  text-transform: uppercase;
}

/* ---------- 首页：产业矩阵 ---------- */
.industry-cards { display: flex; gap: 20px; justify-content: center; }
.industry-cards .card {
  position: relative;
  flex: 1;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .10);
}
.industry-cards .card img {
  width: 100%;
  height: 610px;
  object-fit: cover;
  display: block;
  transition: transform .5s;
}
.industry-cards .card:hover img { transform: scale(1.06); }
.industry-cards .card .mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, .55), rgba(0, 0, 0, 0) 55%);
  transition: background .4s;
}
.industry-cards .card:hover .mask {
  background: linear-gradient(to top, rgba(0, 47, 167, .82), rgba(0, 47, 167, .25));
}
.industry-cards .card .name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 34px;
  text-align: center;
  color: #fff;
  z-index: 2;
}
.industry-cards .card .name b {
  display: block;
  font-size: 20px;
  letter-spacing: 3px;
  font-weight: bold;
}
.industry-cards .card .name span {
  display: block;
  font-size: 12px;
  letter-spacing: 2px;
  opacity: 0;
  transform: translateY(8px);
  transition: all .4s;
  color: rgba(255, 255, 255, .85);
  margin-top: 4px;
}
.industry-cards .card:hover .name span { opacity: 1; transform: translateY(0); }

/* ---------- 首页：新闻中心 ---------- */
.news-section { position: relative; }
.news-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 45px;
}
.news-head .sec-title { text-align: left; margin-bottom: 0; }
.news-head .sec-title h2::after { left: 0; transform: none; }
.read-more-btn {
  color: #999;
  font-size: 14px;
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.read-more-btn:hover { color: var(--main-color); }
.read-more-btn::after {
  content: "→";
  transition: transform .3s;
}
.read-more-btn:hover::after { transform: translateX(4px); }

/* 新闻轮播 */
.news-swiper { position: relative; overflow: hidden; }
.news-swiper .swiper-track {
  display: flex;
  transition: transform .55s ease;
}
.news-swiper .news-item {
  flex: 0 0 33.3333%;
  padding: 0 12px;
  box-sizing: border-box;
  overflow: hidden;
}
.news-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border-color);
  transition: all .35s;
  height: 100%;
}
.news-card:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, .12);
  transform: translateY(-6px);
  border-color: transparent;
}
.news-card .date-box {
  background: var(--main-color);
  color: #fff;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  line-height: 1.2;
}
.news-card .date-box b { font-size: 26px; font-weight: bold; }
.news-card .date-box span { font-size: 12px; opacity: .85; }
.news-card .news-body { padding: 22px 24px 26px; }
.news-card h3 {
  font-size: 16px;
  color: var(--text-dark);
  line-height: 1.6;
  margin-bottom: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  min-height: 51px;
}
.news-card:hover h3 { color: var(--main-color); }
.news-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.9;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.swiper-btn {
  position: absolute;
  top: 118px;
  width: 54px;
  height: 54px;
  background: rgba(0, 0, 0, .32);
  color: #fff;
  font-size: 22px;
  border: none;
  z-index: 10;
  transition: background .3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.swiper-btn:hover { background: var(--main-color); }
.swiper-btn.prev { left: 0; }
.swiper-btn.next { right: 0; }

/* ---------- 内页Banner ---------- */
.page-banner {
  height: var(--banner-h);
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, .45), rgba(0, 0, 0, .08) 55%, rgba(0, 0, 0, .25));
}
.page-banner .banner-text {
  text-align: left;
  color: #fff;
  z-index: 2;
  width: var(--container-w);
  max-width: 92%;
  margin: 0 auto;
  align-self: flex-end;
  padding-bottom: 46px;
}
.page-banner .banner-text h2 {
  font-size: 44px;
  font-weight: bold;
  letter-spacing: 6px;
  margin-bottom: 10px;
}
.page-banner .banner-text p {
  font-size: 16px;
  letter-spacing: 5px;
  text-transform: uppercase;
  opacity: .8;
}

/* 内页二级导航条 */
.sub-tab-bar {
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
  position: sticky;
  top: var(--header-h);
  z-index: 900;
}
.sub-tab-bar ul { display: flex; justify-content: center; }
.sub-tab-bar li a {
  display: block;
  padding: 25px 40px;
  font-size: 16px;
  color: var(--text-gray);
  position: relative;
}
.sub-tab-bar li a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--main-color);
  transform: translateX(-50%);
  transition: width .3s;
}
.sub-tab-bar li a:hover,
.sub-tab-bar li a.active { color: var(--main-color); font-weight: bold; }
.sub-tab-bar li a.active::after,
.sub-tab-bar li a:hover::after { width: 70%; }

/* ---------- 走进万世 ---------- */
.about-intro { display: flex; gap: 70px; align-items: center; }
.about-intro .imgs {
  flex: 0 0 560px;
  position: relative;
  max-width: 560px;
}
.about-intro .imgs img { width: 100%; display: block; border-radius: 4px; }
.about-intro .imgs img + img {
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 58%;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .18);
  border: 6px solid #fff;
}
.about-intro .txt { flex: 1; }
.about-intro .txt h3 {
  font-size: 26px;
  color: var(--text-dark);
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.about-intro .txt h3 em {
  font-style: normal;
  color: var(--main-color);
}
.about-intro .txt p { color: var(--text-gray); margin-bottom: 16px; text-align: justify; }
.about-data {
  display: flex;
  gap: 40px;
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid var(--border-color);
}
.about-data .item b {
  display: block;
  font-size: 34px;
  color: var(--main-color);
  font-weight: bold;
  font-family: Georgia, serif;
  white-space: nowrap;
}
.about-data .item b i { font-style: normal; font-size: 16px; margin-left: 2px; }
.about-data .item span { display: block; font-size: 13px; color: var(--text-light); white-space: nowrap; }

/* 致辞 */
.speech { display: flex; gap: 70px; align-items: center; }
.speech.rev { flex-direction: row-reverse; }
.speech .photo { flex: 0 0 420px; max-width: 420px; }
.speech .photo img { width: 100%; display: block; border-radius: 4px; box-shadow: 0 10px 30px rgba(0, 0, 0, .15); }
.speech .txt { flex: 1; }
.speech .txt h3 {
  font-size: 24px;
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.speech .txt h3 small {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  font-weight: normal;
  margin-top: 8px;
  letter-spacing: 1px;
}
.speech .txt p { color: var(--text-gray); margin-bottom: 14px; text-align: justify; }
.speech .txt .sign {
  margin-top: 22px;
  margin-right: 80px;
  text-align: right;
  color: var(--text-dark);
  font-size: 16px;
  letter-spacing: 2px;
}
.speech .txt .sign span { font-weight: normal; }
.speech .txt .sign .name { margin: 0 2em 0 1.5em; }
.speech .txt .sign .sign-img {
  width: 220px;
  height: auto;
  vertical-align: middle;
  margin-left: 10px;
  position: relative;
  top: 14px;
}

/* 发展历程（横向交错时间轴：中间线，1/3在下、2在上；可横向滑动） */
.history-list {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 10px 4px 26px;
  scrollbar-width: thin;
  scrollbar-color: #9aa3d4 transparent;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}
.history-list.dragging { cursor: grabbing; scroll-behavior: auto; }
.history-list::-webkit-scrollbar { height: 6px; }
.history-list::-webkit-scrollbar-track { background: #f0f0f0; border-radius: 3px; }
.history-list::-webkit-scrollbar-thumb { background: #9aa3d4; border-radius: 3px; }
.history-list::-webkit-scrollbar-thumb:hover { background: var(--main-color); }
.history-track {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 40px;
  min-width: 100%;
  width: max-content;
  min-height: 340px;
}
.history-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-1px);
  background: linear-gradient(to right, var(--main-color), #9aa3d4);
}
.history-item {
  position: relative;
  flex: 0 0 auto;
  width: max-content;
  min-width: 320px;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 340px;
  text-align: center;
  align-items: center;
}
/* 上方节点（第2个）：内容在线上方，向上排 */
.history-item.up {
  justify-content: flex-start;
}
.history-item::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 50%;
  margin-top: -9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--main-color);
  box-shadow: 0 0 0 4px rgba(0, 47, 167, .15);
  z-index: 2;
}
.history-item .year {
  font-size: 30px;
  font-weight: bold;
  color: var(--main-color);
  font-family: Georgia, serif;
  line-height: 1.2;
  margin-bottom: 12px;
}
.history-item .year i {
  font-style: normal;
  font-size: 15px;
  margin-left: 2px;
  letter-spacing: 1px;
}
/* 下方节点（1/3）：内容整体压在线下方，距线留白 */
.history-item:not(.up) .year { margin-top: 30px; }
/* 上方节点（2）：内容底部与线留出间距 */
.history-item.up .desc { margin-bottom: 55px; }
.history-item.up { padding-bottom: 0; }
.history-item:not(.up) { padding-top: 55px; }
.history-item .title {
  font-size: 15px;
  font-weight: bold;
  color: var(--text-dark);
  margin-top: 0;
  line-height: 1.7;
  white-space: nowrap;
}
.history-item .desc {
  color: var(--text-gray);
  margin-top: 8px;
  line-height: 1.9;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 上方节点的连接短线（从内容底部到圆点） */
.history-item::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 50%;
  margin-top: 9px;
  height: 20px;
  border-left: 2px dashed #9aa3d4;
}
.history-item.up::after {
  top: auto;
  bottom: 50%;
  margin-top: 0;
  margin-bottom: 9px;
  height: 20px;
}

/* 荣誉 */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-grid .item {
  border: 1px solid var(--border-color);
  padding: 20px;
  text-align: center;
  transition: all .3s;
  background: #fff;
}
.honor-grid .item:hover {
  box-shadow: 0 10px 26px rgba(0, 0, 0, .10);
  transform: translateY(-4px);
}
.honor-grid .item img { width: 100%; height: 150px; object-fit: cover; }
.honor-grid .item p { margin-top: 14px; font-size: 14px; color: var(--text-gray); }

/* ---------- 产业矩阵页 ---------- */
.biz-panel { display: none; }
.biz-panel.active { display: block; animation: fadeIn .45s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.biz-block { display: flex; gap: 70px; align-items: center; }
.biz-block .img { flex: 0 0 460px; max-width: 460px; }
.biz-block .img img { width: 100%; border-radius: 4px; display: block; box-shadow: 0 12px 30px rgba(0, 0, 0, .14); }
.biz-block .txt { flex: 1; }
.biz-block .txt h3 {
  font-size: 28px;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.biz-block .txt h3 small {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: 2px;
  margin-bottom: 20px;
  font-weight: normal;
}
.biz-block .txt p { color: var(--text-gray); margin-bottom: 12px; text-align: justify; }
.biz-tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.biz-tags span {
  border: 1px solid var(--main-color);
  color: var(--main-color);
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 2px;
}

/* ---------- 新闻列表页 ---------- */
.news-filter { text-align: center; margin-bottom: 40px; }
.news-filter button {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-gray);
  font-size: 14px;
  padding: 7px 26px;
  margin: 0 6px;
  border-radius: 2px;
  transition: all .3s;
}
.news-filter button.active,
.news-filter button:hover {
  background: var(--main-color);
  border-color: var(--main-color);
  color: #fff;
}
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.news-list .news-card .cover { overflow: hidden; height: 210px; }
.news-list .news-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
  display: block;
}
.news-list .news-card:hover .cover img { transform: scale(1.07); }
.news-list .news-card .news-body { padding: 20px 22px 24px; }
.news-list .news-card .meta {
  font-size: 12px;
  color: #bbb;
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
}

/* 分页 */
.pagination { text-align: center; margin-top: 60px; }
.pagination a {
  display: inline-block;
  min-width: 40px;
  height: 40px;
  line-height: 38px;
  border: 1px solid var(--border-color);
  color: var(--text-gray);
  margin: 0 5px;
  padding: 0 12px;
  transition: all .3s;
}
.pagination a.active,
.pagination a:hover { background: var(--main-color); border-color: var(--main-color); color: #fff; }

/* ---------- 新闻详情 ---------- */
.article-wrap { max-width: 900px; margin: 0 auto; }
.article-head { text-align: center; padding: 30px 0 26px; border-bottom: 1px solid var(--border-color); }
.article-head h1 { font-size: 26px; line-height: 1.6; margin-bottom: 14px; }
.article-meta { font-size: 13px; color: #aaa; }
.article-meta span { margin: 0 12px; }
.article-content { padding: 36px 0 20px; }
.article-content p { color: var(--text-gray); margin-bottom: 20px; text-align: justify; font-size: 15px; line-height: 2; }
.article-content img { display: block; margin: 26px auto; max-width: 100%; border-radius: 4px; }
.article-nav {
  display: flex;
  justify-content: space-between;
  padding: 24px 0 60px;
  border-top: 1px solid var(--border-color);
  margin-top: 30px;
  font-size: 14px;
}
.article-nav a { color: var(--text-gray); max-width: 44%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-nav a:hover { color: var(--main-color); }

/* ---------- 企业党建 ---------- */
.party-brand {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 60px;
}
.party-brand h3 { font-size: 28px; color: var(--main-color); letter-spacing: 3px; margin-bottom: 30px; }
.party-brand-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.party-brand-list .item {
  background: #fff;
  border: 1px solid #d9dced;
  padding: 26px 14px;
  transition: all .3s;
}
.party-brand-list .item:hover { background: var(--main-color); }
.party-brand-list .item:hover b, .party-brand-list .item:hover span { color: #fff; }
.party-brand-list .item b { display: block; font-size: 17px; color: var(--main-color); margin-bottom: 10px; letter-spacing: 2px; }
.party-brand-list .item span { font-size: 12px; color: var(--text-gray); line-height: 1.9; display: block; }
.party-2col { display: flex; gap: 60px; align-items: center; }
.party-2col .img { flex: 0 0 50%; }
.party-2col .img img { width: 100%; border-radius: 4px; display: block; }
.party-2col .txt { flex: 1; }
.party-2col .txt h3 { font-size: 22px; margin-bottom: 18px; letter-spacing: 2px; }
.party-2col .txt p { color: var(--text-gray); margin-bottom: 12px; text-align: justify; }
.party-org {
  background: var(--main-color);
  color: #fff;
  text-align: center;
  padding: 46px 0;
  margin-bottom: 80px;
}
.party-org h3 { font-size: 24px; letter-spacing: 3px; margin-bottom: 16px; }
.party-org p { opacity: .85; max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* ---------- 企业文化 ---------- */
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.culture-grid .item { position: relative; overflow: hidden; border-radius: 4px; box-shadow: 0 6px 20px rgba(0, 0, 0, .10); }
.culture-grid .item img { width: 100%; height: 620px; object-fit: cover; display: block; transition: transform .5s; }
.culture-grid .item:hover img { transform: scale(1.06); }
.culture-grid .cap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px 22px;
  background: linear-gradient(to top, rgba(0, 0, 0, .62), transparent 55%);
  color: #fff;
}
.culture-grid .cap b { font-size: 20px; letter-spacing: 3px; margin-bottom: 8px; }
.culture-grid .cap p { font-size: 13px; opacity: .85; line-height: 1.8; }
.value-strip { display: flex; justify-content: center; gap: 26px; margin-top: 70px; flex-wrap: wrap; }
.value-strip .v {
  width: 150px;
  height: 150px;
  border: 1px solid #c3c9e3;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--main-color);
  transition: all .35s;
  background: #fff;
}
.value-strip .v:hover { background: var(--main-color); color: #fff; border-color: var(--main-color); transform: translateY(-6px); }
.value-strip .v b { font-size: 22px; letter-spacing: 4px; margin-bottom: 6px; }
.value-strip .v span { font-size: 12px; letter-spacing: 1px; opacity: .8; }

/* ---------- 加入我们 ---------- */
.join-contact { display: flex; gap: 60px; }
.join-contact .txt { flex: 1; }
.join-contact .txt h3 { font-size: 26px; margin-bottom: 10px; letter-spacing: 2px; }
.join-contact .txt > p { color: var(--text-light); margin-bottom: 34px; }
.contact-list .row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--border-color);
}
.contact-list .row .ico {
  flex: 0 0 42px;
  height: 42px;
  border-radius: 50%;
  background: #eceef7;
  color: var(--main-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.contact-list .row b { display: block; font-size: 15px; margin-bottom: 4px; }
.contact-list .row p { color: var(--text-gray); font-size: 14px; }
.join-contact .map { flex: 0 0 46%; }
.join-contact .map img { width: 100%; border-radius: 4px; display: block; box-shadow: 0 10px 26px rgba(0, 0, 0, .12); }

.job-table { width: 100%; border-collapse: collapse; background: #fff; }
.job-table th {
  background: var(--main-color);
  color: #fff;
  font-size: 15px;
  padding: 14px 18px;
  text-align: left;
  letter-spacing: 2px;
  font-weight: normal;
}
.job-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-gray);
  font-size: 14px;
}
.job-table tr:hover td { background: #f6f7fc; }
.job-table td:first-child { color: var(--text-dark); font-weight: bold; }
.job-welfare { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.job-welfare span {
  background: #eceef7;
  color: var(--main-color);
  padding: 7px 20px;
  border-radius: 2px;
  font-size: 13px;
}

/* ---------- 页脚 ---------- */
.site-footer { background: var(--footer-bg); color: #9a9a9a; }
.footer-top { padding: 56px 0 46px; }
.footer-cols { display: flex; align-items: center; gap: 30px; }
.footer-cols .fcol { flex: 1; text-align: center; }
.footer-cols .fcol.ft-brand { flex: 0 0 320px; text-align: left; }
.footer-cols .fcol.ft-qr { flex: 0 0 170px; text-align: center; }
.footer-cols .fcol h4 {
  color: #fff;
  font-size: 15px;
  font-weight: normal;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.footer-cols .fcol li { margin-bottom: 9px; }
.footer-cols .fcol li a { color: #9a9a9a; font-size: 13px; }
.footer-cols .fcol li a:hover { color: #fff; }
.footer-brand-logo { display: block; margin-bottom: 18px; }
.footer-brand-logo img { max-height: 64px; width: auto; display: block; }
.footer-brand-info { font-size: 13px; color: #9a9a9a; line-height: 2; }
.footer-brand-info p { color: #9a9a9a; font-size: 13px; }
.footer-qr img { width: 130px; height: 130px; background: #fff; padding: 6px; border-radius: 4px; display: block; margin: 0 auto 10px; }
.footer-qr p { font-size: 12px; color: #9a9a9a; }
.footer-links { border-top: 1px solid #454545; padding: 18px 0; }
.footer-links .fl-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-links .fl-row span { color: #fff; font-size: 13px; letter-spacing: 2px; }
.footer-links .fl-row a { color: #7e7e7e; font-size: 13px; }
.footer-links .fl-row a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #454545;
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: #7e7e7e;
}
.footer-bottom a { color: #7e7e7e; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom span { margin: 0 10px; }

/* ---------- 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 30px;
  bottom: 40px;
  width: 46px;
  height: 46px;
  background: var(--main-color);
  color: #fff;
  border: none;
  font-size: 18px;
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  transition: all .35s;
  z-index: 800;
  box-shadow: 0 6px 18px rgba(0, 47, 167, .35);
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--main-color-dark); }

/* ---------- 滚动渐显动画 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: all .8s cubic-bezier(.16, .84, .44, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .12s; }
.reveal.d2 { transition-delay: .24s; }
.reveal.d3 { transition-delay: .36s; }
.reveal.d4 { transition-delay: .48s; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1200px) {
  .industry-cards .card img { height: 520px; }
  .about-intro .imgs img + img { right: -20px; bottom: -30px; }
}

@media (max-width: 992px) {
  :root { --header-h: 64px; }
  .header-inner { position: relative; padding-left: 18px; }
  .top-bar .container { padding-left: 18px; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    z-index: 1002;
  }
  .nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all .3s;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding-top: 80px;
    transition: right .35s;
    box-shadow: -6px 0 20px rgba(0, 0, 0, .12);
    z-index: 1001;
  }
  .main-nav.open { right: 0; }
  .main-nav > li { height: auto; }
  .main-nav > li > a { display: block; height: auto; padding: 15px 26px; }
  .main-nav > li > a::after { display: none; }
  .main-nav .sub-nav {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: #fafafa;
    padding: 0;
  }
  .sub-nav li a { text-align: left; padding: 10px 40px; }

  .home-banner .banner-slogan h2 { font-size: 30px; letter-spacing: 4px; }
  .home-banner .banner-slogan p { font-size: 14px; }

  .industry-cards { flex-wrap: wrap; }
  .industry-cards .card { flex: 0 0 46%; margin-bottom: 20px; }
  .industry-cards .card img { height: 380px; }

  .news-swiper .news-item { flex: 0 0 50%; }
  .swiper-btn { display: none; }

  .page-banner { height: 340px; }
  .page-banner .banner-text h2 { font-size: 30px; }
  .sub-tab-bar ul { overflow-x: auto; justify-content: flex-start; }
  .sub-tab-bar li { flex-shrink: 0; }
  .sub-tab-bar li a { padding: 18px 22px; font-size: 15px; }

  .about-intro, .speech, .speech.rev, .biz-block, .party-2col, .join-contact { flex-direction: column; gap: 40px; }
  .history-list { overflow-x: visible; padding: 0; cursor: auto; }
  .history-track { flex-direction: column; gap: 0; min-height: 0; width: auto; padding-left: 26px; }
  .history-track::before {
    left: 0;
    right: auto;
    top: 6px;
    bottom: 6px;
    width: 2px;
    height: auto;
    transform: none;
    background: linear-gradient(to bottom, var(--main-color), #9aa3d4);
  }
  .history-item,
  .history-item.up { display: block; min-height: 0; padding: 0 0 36px 34px; }
  .history-item:last-child { padding-bottom: 0; }
  .history-item::before { left: -32px; top: 8px; margin-top: 0; transform: none; }
  .history-item::after,
  .history-item.up::after { display: none; }
  .about-intro .imgs, .speech .photo, .biz-block .img, .join-contact .map { flex: none; width: 100%; max-width: 100%; }
  .about-intro .imgs img + img { display: none; }
  .honor-grid, .news-list { grid-template-columns: repeat(2, 1fr); }
  .party-brand-list { grid-template-columns: repeat(2, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .culture-grid .item img { height: 440px; }
  .footer-cols { flex-wrap: wrap; }
  .footer-cols .fcol { flex: 0 0 46%; margin-bottom: 26px; }
  .footer-cols .fcol.ft-brand { flex: 0 0 100%; }
  .footer-cols .fcol.ft-qr { flex: 0 0 100%; }
}

@media (max-width: 640px) {
  .section { padding: 50px 0; }
  .header-inner { padding-left: 10px; }
  .top-bar .container { padding-left: 10px; }
  .sec-title h2 { font-size: 24px; }
  .industry-cards .card { flex: 0 0 100%; }
  .industry-cards .card img { height: 340px; }
  .news-swiper .news-item { flex: 0 0 100%; }
  .honor-grid, .news-list, .culture-grid, .party-brand-list { grid-template-columns: 1fr; }
  .about-data { flex-wrap: wrap; gap: 22px; }
  .job-table { display: block; overflow-x: auto; }
  .value-strip .v { width: 120px; height: 120px; }
  .footer-cols .fcol { flex: 0 0 100%; }
  .back-top { right: 14px; }
  .top-bar { font-size: 12px; letter-spacing: 1px; padding: 7px 0 5px; }
}