/* 关于我们 — 按原站 abouthongtai.html 1920 实测一比一 */

.page-about {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  background: #fff;
  color: #333;
}

/* ===== 顶栏：叠在 Banner 上 ===== */
.page-about .inner-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 300;
  height: 100px;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
}
.page-about .inner-nav.solid {
  position: fixed;
  background: #fff;
  box-shadow: rgba(0, 0, 0, 0.18) -2px 0 3px 1px;
}
.page-about .inner-nav .sn-inner {
  height: 100%;
  width: 100%;
  padding: 0 48px;
  display: flex;
  align-items: stretch;
  box-sizing: border-box;
}
.page-about .sn-logo {
  position: relative;
  flex: 0 0 260px;
  width: 260px;
  height: 68px;
  display: block;
  align-self: center;
}
.page-about .sn-logo img {
  position: absolute;
  left: 0;
  top: 0;
  width: 260px;
  height: 68px;
  object-fit: contain;
  object-position: left center;
}
.page-about .logo-color { opacity: 0; }
.page-about .logo-white { opacity: 1; }
.page-about .inner-nav.solid .logo-color { opacity: 1; }
.page-about .inner-nav.solid .logo-white { opacity: 0; }

.page-about .sn-menu {
  flex: 1;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 48px;
  height: 100%;
}
.page-about .sn-menu > a,
.page-about .sn-drop > a {
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0;
  font-size: 18px !important;
  line-height: 18px !important;
  font-weight: 400 !important;
  color: #fff !important;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  white-space: nowrap;
}
/* 下拉容器拉满导航高度，鼠标可从一级滑到二级 */
.page-about .sn-drop {
  align-self: stretch;
  display: flex;
  align-items: center;
}
.page-about .sn-lang,
.page-about .sn-phone {
  color: #fff !important;
  font-size: 18px !important;
  font-weight: 400 !important;
}
.page-about .inner-nav.solid .sn-menu > a,
.page-about .inner-nav.solid .sn-drop > a,
.page-about .inner-nav.solid .sn-lang,
.page-about .inner-nav.solid .sn-phone {
  color: #444 !important;
}
.page-about .sn-menu > a:hover,
.page-about .sn-drop:hover > a,
.page-about .sn-menu > a.active,
.page-about .sn-drop > a.active {
  color: #70bb2b !important;
}
/* 悬停其它一级菜单时，当前页「关于我们」active 恢复为白色，只留悬停项绿色 */
.page-about .sn-menu:hover > a.active:not(:hover),
.page-about .sn-menu:hover .sn-drop:not(:hover) > a.active,
.page-about .sn-menu > a.active.nav-dim,
.page-about .sn-drop > a.active.nav-dim {
  color: #fff !important;
}
.page-about .inner-nav.solid .sn-menu:hover > a.active:not(:hover),
.page-about .inner-nav.solid .sn-menu:hover .sn-drop:not(:hover) > a.active,
.page-about .inner-nav.solid .sn-menu > a.active.nav-dim,
.page-about .inner-nav.solid .sn-drop > a.active.nav-dim {
  color: #444 !important;
}
.page-about .sn-menu:hover .sn-drop:hover > a,
.page-about .sn-menu:hover .sn-drop:hover > a.active {
  color: #70bb2b !important;
}
.page-about .sn-sub a { color: #fff !important; font-size: 14px !important; }
.page-about .sn-mega-col > a.sn-mega-title,
.page-about .sn-mega-col .sn-mega-list a { color: #fff !important; }
.page-about .inner-nav { position: absolute; overflow: visible; }
.page-about .sn-drop.sn-mega-wrap:hover .sn-mega { display: flex; }

/* ===== Banner：原图 1920×475，高度随宽度 ≈24.74% ===== */
.page-about .inner-banner {
  position: relative;
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 475;
  min-height: 280px;
  max-height: 471px;
  background: center / cover no-repeat;
  display: flex;
  align-items: center;
}
.page-about .inner-banner-text {
  position: relative;
  z-index: 1;
  width: min(1500px, calc(100% - 80px));
  margin: 0 auto;
  padding: 80px 0 0;
  color: #fff;
  text-align: left;
}
.page-about .inner-banner-text h1 {
  margin: 0 0 8px;
  padding: 0;
  color: #fff;
  font-size: 42.24px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: normal;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}
.page-about .inner-banner-text .en {
  margin: 0;
  color: #fff;
  font-size: 18px;
  font-weight: 400;
  line-height: 30px;
  letter-spacing: 10px;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}

/* ===== 面包屑 ===== */
.page-about .inner-crumb {
  background: #f3f3f3;
  height: 64px;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #666;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}
.page-about .inner-crumb .container {
  width: min(1500px, calc(100% - 80px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-about .inner-crumb a { color: #666; }
.page-about .inner-crumb a:hover { color: #70bb2b; }
.page-about .inner-crumb .sep { color: #999; }
.page-about .crumb-home { color: #999; margin-right: 4px; flex-shrink: 0; }

/* ===== 主体：内容宽 1500 ===== */
.page-about .about-main {
  padding: 40px 0 80px;
  background: #fff;
}
.page-about .about-main > .container {
  width: min(1500px, calc(100% - 80px));
  margin: 0 auto;
}
/* 覆盖 style.css 里 .about-block 的灰底 #f7f8f6 */
.page-about .about-block,
.page-about .about-culture,
.page-about .culture-body {
  background: #fff !important;
}

/* Tab：230×54，圆角 30px 0；当前项绿底白字（原站实测） */
.page-about .about-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0 0 50px;
}
.page-about .about-tabs a {
  width: 230px;
  height: 54px;
  box-sizing: border-box;
  border: 1px solid #e5e5e5;
  border-radius: 30px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #333 !important;
  background: #fff !important;
  font-weight: 400;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  transition: 0.2s;
  text-decoration: none;
}
.page-about .about-tabs a:hover {
  color: #fff !important;
  border-color: #70bb2b !important;
  background: #70bb2b !important;
}
.page-about .about-tabs a.active,
.page-about .about-tabs a.active:hover,
.page-about .about-tabs a.active:visited {
  color: #fff !important;
  border-color: #70bb2b !important;
  background: #70bb2b !important;
}

/* 左图 750 + 间距 60 + 右文 690 = 1500 */
.page-about .about-intro {
  display: grid;
  grid-template-columns: 750fr 690fr;
  column-gap: 60px;
  align-items: start;
}
.page-about .about-photo {
  width: 100%;
}
.page-about .about-photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 750 / 463;
  object-fit: cover;
  display: block;
}
.page-about .about-copy {
  min-width: 0;
}
.page-about .about-title {
  margin: 0 0 18px;
  color: #70bb2b;
  font-size: 34px;
  font-weight: 700;
  line-height: 51px;
  font-family: Arial, "Microsoft YaHei", "微软雅黑", sans-serif;
}
.page-about .about-copy p {
  margin: 0;
  color: #666;
  font-size: 16px;
  line-height: 32px;
  text-align: left;
  text-indent: 2em;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}

/* 第二行：左文 690 + 间距 60 + 右图 750 */
.page-about .about-row2 {
  display: grid;
  grid-template-columns: 690fr 750fr;
  column-gap: 60px;
  align-items: start;
  margin-top: 50px;
}
.page-about .about-copy2 {
  min-width: 0;
}
.page-about .about-motto {
  margin: 0 0 18px;
  color: #70bb2b;
  font-size: 34px;
  font-weight: 400;
  line-height: 51px;
  font-family: Arial, "Microsoft YaHei", "微软雅黑", sans-serif;
}
.page-about .about-copy2 > p:not(.about-motto) {
  margin: 0;
  color: #666;
  font-size: 16px;
  line-height: 32px;
  text-align: left;
  text-indent: 2em;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}
.page-about .about-photo2 img {
  width: 100%;
  height: auto;
  aspect-ratio: 750 / 488;
  object-fit: cover;
  display: block;
}

/* 分隔线 */
.page-about .about-divider {
  border: 0;
  border-top: 1px solid #e5e5e5;
  margin: 40px 0 36px;
}

/* 第三行：左文 ~900 + 右数据 600 */
.page-about .about-row3 {
  display: grid;
  grid-template-columns: 1fr 600px;
  column-gap: 50px;
  align-items: start;
}
.page-about .about-copy3 p {
  margin: 0;
  color: #666;
  font-size: 16px;
  line-height: 32px;
  text-align: left;
  text-indent: 2em;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}

/* 数据：Impact 52px 红，单位 14px */
.page-about .about-stats {
  display: flex;
  width: 500px;
  margin-left: auto;
  gap: 10px;
  justify-content: space-between;
}
.page-about .about-stat {
  width: 240px;
}
.page-about .about-stat .n {
  font-family: Impact, "Arial Black", sans-serif;
  font-size: 52px;
  line-height: 60px;
  color: #e2211c;
  font-weight: 400;
}
.page-about .about-stat .n .u {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-size: 14px;
  line-height: 1;
  color: #e2211c;
  margin-left: 2px;
  vertical-align: super;
}
.page-about .about-stat .l {
  margin-top: 4px;
  font-size: 16px;
  line-height: 23px;
  color: #333;
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

/* 企业文化 — 右浮动图 600×250 */
.page-about .about-sec-title {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 500;
  color: #333;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}
.page-about .about-sec-line {
  border: 0;
  border-top: 1px solid #e5e5e5;
  margin: 0 0 28px;
}
.page-about .culture-body {
  overflow: hidden;
  color: #333;
  font-size: 16px;
  line-height: 32px;
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}
.page-about .culture-float {
  float: right;
  width: 600px;
  max-width: 42%;
  height: auto;
  margin: 0 0 16px 40px;
  display: block;
}
.page-about .culture-body p {
  margin: 0 0 6px;
}
.page-about .culture-mission {
  font-size: 28px !important;
  line-height: 1.5 !important;
  color: #27ae60 !important;
  margin-bottom: 12px !important;
}

/* 企业荣誉 — 横向轮播；底部居中蓝圈左右键（原站 swiper 样式） */
.page-about .honor-swiper {
  position: relative;
  display: block;
}
.page-about .honor-track-wrap {
  overflow: hidden;
  width: 100%;
}
.page-about .honor-track {
  display: flex;
  gap: 20px;
  transition: transform 0.35s ease;
  will-change: transform;
}
.page-about .honor-card {
  flex: 0 0 300px;
  width: 300px;
  margin: 0;
  text-align: center;
}
.page-about .honor-card img {
  width: 300px;
  height: 300px;
  object-fit: contain;
  background: #fff;
  display: block;
}
.page-about .honor-card figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: #333;
  line-height: 1.4;
}
.page-about .honor-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}
.page-about .honor-prev,
.page-about .honor-next {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 2px solid #1f74dd;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  flex: 0 0 30px;
}
.page-about .honor-prev::before,
.page-about .honor-next::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid #007aff;
  border-right: 2px solid #007aff;
  box-sizing: border-box;
}
.page-about .honor-prev::before {
  transform: translate(-35%, -50%) rotate(-135deg);
}
.page-about .honor-next::before {
  transform: translate(-65%, -50%) rotate(45deg);
}
.page-about .honor-prev:hover,
.page-about .honor-next:hover {
  background: #1f74dd;
}
.page-about .honor-prev:hover::before,
.page-about .honor-next:hover::before {
  border-color: #fff;
}
.page-about .honor-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
}
.page-about .honor-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #000;
  opacity: 0.25;
  cursor: pointer;
  display: block;
}
.page-about .honor-dots span.on {
  width: 12px;
  height: 12px;
  background: #1f74dd;
  opacity: 1;
}

/* 车间设备 — 4 列；悬停蓝底标题 + 中间圆形加号；点击弹窗 */
.page-about .equip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.page-about .equip-card {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.page-about .equip-pic {
  position: relative;
  overflow: hidden;
  background: #000;
  aspect-ratio: 343 / 228;
}
.page-about .equip-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s, opacity 0.8s;
}
.page-about .equip-pic::after {
  content: "+";
  position: absolute;
  left: 50%;
  top: 60%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 50px;
  height: 50px;
  border-radius: 100%;
  border: 2px solid #fff;
  color: #fff;
  font-size: 24px;
  line-height: 46px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: 0.35s;
}
.page-about .equip-card:hover .equip-pic img {
  transform: scale(1.1);
  opacity: 0.7;
}
.page-about .equip-card:hover .equip-pic::after {
  opacity: 1;
  top: 50%;
}
.page-about .equip-cap {
  background: #f5f5f5;
  padding: 25px 30px;
  transition: 0.5s;
}
.page-about .equip-cap span {
  display: block;
  font-size: 17px;
  line-height: 1;
  color: rgba(0, 0, 0, 0.7);
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  transition: 0.5s;
}
.page-about .equip-card:hover .equip-cap {
  background: #003b83;
}
.page-about .equip-card:hover .equip-cap span {
  color: #fff;
}

/* 大图弹窗 */
.page-about .equip-lb {
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
}
.page-about .equip-lb.in {
  opacity: 1;
  visibility: visible;
}
.page-about .equip-lb-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
  transition: 0.5s;
}
.page-about .equip-lb-mask:hover {
  background: rgba(0, 0, 0, 0.8);
}
.page-about .equip-lb-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  max-width: min(90vw, 1100px);
  max-height: 80vh;
  z-index: 1;
}
.page-about .equip-lb-img {
  display: block;
  max-width: 90vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  margin: 0 auto;
}
.page-about .equip-lb-close {
  position: absolute;
  right: -8px;
  top: -40px;
  width: 32px;
  height: 32px;
  border: 0;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 28px;
  line-height: 28px;
  cursor: pointer;
  z-index: 2;
}

@media (max-width: 1600px) {
  .page-about .about-intro,
  .page-about .about-row2 {
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }
  .page-about .about-tabs a { width: 200px; }
  .page-about .about-row3 { grid-template-columns: 1fr 480px; }
  .page-about .about-stats { width: 420px; }
  .page-about .about-stat { width: 200px; }
}
@media (max-width: 1100px) {
  .page-about .about-tabs a { width: calc(50% - 10px); }
  .page-about .about-intro,
  .page-about .about-row2,
  .page-about .about-row3 {
    grid-template-columns: 1fr;
  }
  .page-about .about-stats {
    width: 100%;
    margin: 24px 0 0;
    justify-content: flex-start;
    gap: 60px;
  }
  .page-about .culture-float {
    float: none;
    max-width: 100%;
    width: 100%;
    margin: 0 0 20px;
  }
  .page-about .honor-card {
    flex: 0 0 220px;
    width: 220px;
  }
  .page-about .honor-card img {
    width: 220px;
    height: 220px;
  }
  .page-about .equip-grid { grid-template-columns: repeat(2, 1fr); }
  .page-about .inner-banner { max-height: none; }
}
@media (max-width: 640px) {
  .page-about .equip-grid { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .page-about .inner-nav {
    position: sticky;
    top: 0;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
  }
  .page-about .logo-color { opacity: 1; }
  .page-about .logo-white { opacity: 0; }
  .page-about .sn-menu > a,
  .page-about .sn-drop > a,
  .page-about .sn-lang,
  .page-about .sn-phone {
    color: #444 !important;
  }
  .page-about .sn-sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    min-width: 0;
  }
  .page-about .sn-sub a { color: #444 !important; text-align: left; }
  .page-about .sn-mega {
    position: static;
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 0 0 8px 12px;
    background: transparent;
  }
  .page-about .sn-menu.open .sn-mega { display: flex; }
  .page-about .sn-mega-col > a.sn-mega-title,
  .page-about .sn-mega-col .sn-mega-list a { color: #444 !important; }
  .page-about .inner-banner-text h1 { font-size: 28px; }
  .page-about .inner-banner-text .en { font-size: 14px; letter-spacing: 6px; }
  .page-about .about-title,
  .page-about .about-motto { font-size: 24px; line-height: 1.4; }
}