/* ============================================================
 * 强硕机械 - 首页样式（qs_xf）
 * 规则（极简版）：
 *   1. 默认（含 scrolled 滚动后）：红渐变 + 白字
 *   2. 鼠标 hover（任意时候）：白底 + 黑字 + 原色 logo
 *   3. 不修改 #header 的 position，沿用 style.css 的 position: fixed
 *   4. 不区分 scrolled / 非 scrolled 的样式（滚动后还是渐变）
 * ============================================================ */

/* 红色主题覆盖（沿用原站点的 --main 红色色系） */
:root {
  --xf-main: #e84127;
  /* 主色：强硕红（原站色） */
  --xf-main-light: #ff5a4e;
  /* 浅红（hover/渐变） */
  --xf-main-dark: #a00020;
  /* 深红（标题/底色） */
  --xf-accent: #f59e0b;
  /* 强调色：金色（保留对比） */
  --xf-bg-dark: #5a0d18;
  /* 暗红背景：通栏大图 */
  --xf-bg-gradient: linear-gradient(135deg, #5a0d18 0%, #c41230 50%, #a00020 100%);
}

/* 强硕机械 主题色应用（覆盖全局 --main） */
body.xf-theme {
  --main: var(--xf-main);
  --main-light: var(--xf-main-light);
  --main-dark: var(--xf-main-dark);
}

/* ============== 顶部菜单透明渐变（融合第一屏） ============== */
/* 注意：不重写 position，由 style.css 提供 position: fixed；不重写 box-shadow */
#header {
  background: linear-gradient(to bottom,
      rgba(90, 13, 24, 0.85) 0%,
      rgba(196, 18, 48, 0.6) 40%,
      rgba(196, 18, 48, 0.2) 70%,
      rgba(196, 18, 48, 0) 100%);
}

/* 白色背景覆盖层：hover 时用 opacity 渐入，避免 background 渐变直接切换的闪烁 */

/* ============== 默认状态（一级菜单）：白字（首屏 / 滚动后都一致） ============== */
#header .nav>li>a,
#header .nav>li>a span {
  color: #fff;
  border-bottom-color: transparent;
  transition: color .2s ease;
  position: relative;
  z-index: 1;
}

/* 滚动后：保持白字（不区分 scrolled 样式，遵循用户要求"滚动后还是渐变透明"） */
#header.scrolled {
  box-shadow: none !important;
}

#header.scrolled .nav>li>a,
#header.scrolled .nav>li>a span {
  color: #fff;
}

/* 激活状态（默认白字） */
#header .nav>li.active>a,
#header .nav>li.active>a:hover,
#header .nav>li.active>a:focus {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0);
}

/* 默认 hover（非白底）：白字 + 半透明白底高亮 */
#header .nav>li:hover>a {
  color: #fff;
  background-color: rgba(255, 255, 255, .12);
  border-bottom-color: transparent;
}

/* 鼠标悬停（JS 加 .hover 类）时：白底 + 深色字体 + 原色 logo */
#header.hover {
  background: #fff !important;
}

#header.hover .nav>li>a,
#header.hover .nav>li>a span {
  color: #2a2a2a;
  border-bottom-color: transparent;
}

/* hover 状态下（白底），菜单项 hover 用红字 */
#header.hover .nav>li>a:hover,
#header.hover .nav>li:hover>a {
  color: var(--xf-main, #c41230) !important;
  background-color: transparent;
  border-bottom-color: transparent;
}

#header.hover .nav>li.active>a {
  color: var(--xf-main, #c41230) !important;
}

/* Logo：默认白（首屏/滚动后），hover 时用原色 */
#header .navbar-brand img {
  filter: brightness(0) invert(1);
  transition: filter .2s ease;
  position: relative;
  z-index: 1;
}

#header.hover .navbar-brand img {
  filter: none;
}

/* 二级菜单（移动端用）保持白色背景、深色字体 */
#header .sec-nav {
  background: #fff;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

#header .sec-nav li a {
  color: #333;
}

#header .sec-nav li a:hover {
  background: rgba(196, 18, 48, 0.08);
  color: var(--xf-main, #c41230);
}

/* 桌面端 mega 菜单（通栏白色背景） */
#header .qs-mega-menu {
  background: #fff;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .12);
}

#header .qs-mega-menu .qs-mega-col-title a,
#header .qs-mega-menu .qs-mega-list a {
  color: #2a2a2a;
}

#header .qs-mega-menu .qs-mega-col-title a:hover,
#header .qs-mega-menu .qs-mega-list a:hover {
  color: var(--xf-main, #c41230);
}

/* mega 菜单展开时，一级菜单文字保持深色（依赖 .hover 类） */
#header.hover .nav>li.qs-mega-open>a,
#header.hover .nav>li.qs-has-mega:hover>a {
  color: #2a2a2a !important;
}

#header.hover .nav>li.qs-mega-open>a .qs-nav-arrow,
#header.hover .nav>li.qs-has-mega:hover>a .qs-nav-arrow {
  color: #2a2a2a !important;
}

/* 搜索按钮图标：默认白，hover 时变深色 */
#header .header-search-btn {
  
  transition: color .2s ease;
  position: relative;
  z-index: 1;
}

#header.hover .header-search-btn {
  color: #2a2a2a;
}

/* 立即咨询按钮（隐藏备用） */
#header .header-consult {
  color: #fff;
  transition: color .2s ease;
  position: relative;
  z-index: 1;
}

#header.hover .header-consult {
  color: var(--xf-main, #c41230);
}

/* 移动端菜单白色（统一由下方 @media (max-width: 992px) 段处理） */

/* ============== 1. 全局 section 通栏 ============== */
/* 所有首页板块默认 100vh 高度，最低 600px */
.qs-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  padding: 0px 0;
  display: flex;
  flex-direction: column;
  clear: both;
  box-sizing: border-box;
}

.qs-section-white {
  background: #ffffff;
}

.qs-section-light {
  background: #f7f8fa;
}

.qs-section-gray {
  background: #f0f1f3;
}

.qs-section+.qs-section {
  border-top: 1px solid rgba(0, 0, 0, .04);
}

/* 标题区 */
.qs-title {
  text-align: center;
  margin-bottom: 0px;
}

.qs-title h2 {
  font-size: 2.25rem;
  color: #1a1a1a;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: 2px;
  line-height: 1.2;
}

.qs-title h2 small {
  display: block;
  font-size: .875rem;
  color: #999;
  font-weight: 400;
  margin-top: 8px;
  letter-spacing: 6px;
  text-transform: uppercase;
}

.qs-title .qs-line {
  width: 64px;
  height: 3px;
  background: var(--main);
  margin: 18px auto 0;
  position: relative;
}

.qs-title .qs-line::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 9px;
  height: 9px;
  background: var(--main);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px rgba(230, 0, 18, .12);
}

/* 通用空状态 */
.qs-empty {
  padding: 60px 20px;
  text-align: center;
  color: #999;
  background: #fafafa;
  border: 1px dashed #e5e5e5;
  font-size: .95rem;
}

/* "查看更多" 按钮 */
.qs-section-more {
  text-align: center;
  margin-top: 50px;
}

.qs-section-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 38px;
  font-size: 1rem;
  color: #333;
  border: 1px solid #d8d8d8;
  background: #fff;
  text-decoration: none;
  letter-spacing: 2px;
  transition: all .25s ease;
}

.qs-section-more-btn span {
  font-size: 1.2rem;
  color: var(--main);
  transition: transform .25s;
}

.qs-section-more-btn:hover {
  color: #fff;
  background: var(--main);
  border-color: var(--main);
  box-shadow: 0 8px 20px rgba(230, 0, 18, .25);
}

.qs-section-more-btn:hover span {
  color: #fff;
  transform: translateX(4px);
}

/* ============================================================
 * 2. 推荐产品（上方一行产品列表 + 下方大图+信息 + 左右切换）
 * ============================================================ */
/* 背景图：通栏显示 index-pbg.jpg */
.qs-sec-product {
  width: 100%;
  position: relative;
  background: url('index-cbg.jpg') no-repeat center center;
  background-size: cover;
  background-attachment: scroll;
}

.qs-proshow {
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}

/* 上方一行产品列表（按数字排序） */
.qs-proshow-list {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  border-bottom: 1px solid #e5e5e5;
}

.qs-proshow-list li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  cursor: pointer;
  color: #555;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 1px;
  transition: color .25s, background .25s;
  user-select: none;
}

.qs-proshow-list li+li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 16px;
  background: #d0d0d0;
  transform: translateY(-50%);
}

.qs-proshow-list li:hover {
  color: var(--main);
}

.qs-proshow-list li.active {
  color: var(--main);
  font-weight: 700;
  background: rgba(255, 255, 255, .55);
}

.qs-proshow-list-num {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  opacity: .55;
  letter-spacing: 0;
}

.qs-proshow-list li.active .qs-proshow-list-num {
  opacity: 1;
}

.qs-proshow-list-name {
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 下方舞台：左右切换 + 大图 + 右侧信息 */
.qs-proshow-stage {
  position: relative;
  min-height: 440px;
  padding: 0 80px;
}

/* .qs-proshow-arrow 样式已统一至 qs.css 的 .qs-arrow 共用块，此处仅保留舞台内边距。 */
.qs-proshow-prev {
  left: 0;
}

.qs-proshow-next {
  right: 0;
}

/* 切换面板（淡入淡出） */
.qs-proshow-slides {
  position: relative;
}

.qs-proshow-slide {
  display: none;
  grid-template-columns: 6fr 5fr;
  gap: 40px;
  align-items: stretch;
}

.qs-proshow-slide.active {
  display: grid;
  animation: qs-fadein .5s ease;
}

/* 大图（完整显示，不截取） */
.qs-proshow-pic {
  position: relative;
  height: 440px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qs-proshow-pic a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 12px;
  box-sizing: border-box;
}

.qs-proshow-pic img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform .8s ease;
}

.qs-proshow-slide.active:hover .qs-proshow-pic img {
  transform: scale(1.04);
}

.qs-proshow-nopic {
  color: #999;
  font-size: 1rem;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 右侧信息 */
.qs-proshow-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8px;
}

.qs-proshow-cat {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 5px;
  background: var(--main);
  color: #fff;
  font-size: .8rem;
  letter-spacing: 1px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.qs-proshow-sname {
  font-size: 1.05rem;
  color: #666;
  margin: 0 0 16px;
  letter-spacing: 1px;
}

.qs-proshow-desc {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #555;
  margin: 0 0 18px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qs-proshow-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.qs-proshow-key {
  padding: 4px 14px;
  border: 1px solid #ddd;
  font-size: .82rem;
  color: #666;
  border-radius: 14px;
}

.qs-proshow-cta {
  margin-top: 8px;
}

.qs-proshow-btn {
  display: inline-block;
  padding: 10px 32px;
  border-radius: 10px;
  background: var(--main);
  color: #fff;
  font-size: .95rem;
  letter-spacing: 2px;
  text-decoration: none;
  transition: all .25s;
}

.qs-proshow-btn:hover {
  background: #b8000e;
  color: #fff;
}

/* 圆形放大镜装饰 */
.qs-proshow-zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130px;
  height: 130px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: qs-zoomFloat 4s ease-in-out infinite;
}

.qs-proshow-zoom-circle {
  position: absolute;
  inset: 0;
  border: 2px solid rgba(255, 255, 255, .85);
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, .35),
    0 12px 40px rgba(0, 0, 0, .25);
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}

.qs-proshow-zoom-plus {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 2.4rem;
  font-weight: 300;
  line-height: 1;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .4);
}

@keyframes qs-zoomFloat {

  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    transform: translate(-50%, -50%) scale(1.08);
  }
}

/* 右侧信息 */
.qs-proshow-info {
  display: flex;
  flex-direction: column;
  padding: 16px 0;
}

.qs-proshow-title {
  font-size: 2.5rem;
  color: #1a1a1a;
  margin: 0 0 8px;
  font-weight: 700;
  line-height: 1.3;
}

.qs-proshow-sname {
  font-size: 1rem;
  color: #999;
  margin: 0 0 18px;
  letter-spacing: 1px;
}

.qs-proshow-desc {
  font-size: 1.1rem;
  color: #555;
  line-height: 1.85;
  margin: 0 0 18px;
  max-height: 130px;
  overflow: hidden;
}

.qs-tips {
  font-size: 1.2rem;
  text-align: center;
  color: #333;
  line-height: 1.85;
  margin: 1rem 0;
}


.qs-proshow-keys {
  margin: 0 0 22px;
}

.qs-proshow-key {
  display: inline-block;
  padding: 4px 12px;
  margin: 4px 6px 0 0;
  font-size: 1rem;
  color: #666;
  background: #f5f7fa;
  border: 1px solid #e8eaef;
  border-radius: 2px;
}

.qs-proshow-cta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding-top: 12px;
}

.qs-proshow-btn {
  display: inline-block;
  padding: 12px 34px;
  font-size: 1rem;
  color: #fff;
  background: var(--main);
  border: 1px solid var(--main);
  text-decoration: none;
  letter-spacing: 4px;
  transition: all .25s;
}

.qs-proshow-btn:hover {
  background: var(--main-dark);
  border-color: var(--main-dark);
  box-shadow: 0 8px 20px rgba(230, 0, 18, .3);
}

.qs-proshow-link {
  color: #888;
  font-size: .9rem;
  text-decoration: none;
  letter-spacing: 1px;
  transition: color .2s;
}

.qs-proshow-link:hover {
  color: var(--main);
}

/* 响应式 */
@media (max-width: 992px) {
  .qs-proshow {
    padding: 18px 18px 22px;
  }

  .qs-proshow-nav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .qs-proshow-nav li a {
    padding: 6px 18px;
    font-size: .95rem;
    white-space: nowrap;
  }

  .qs-proshow-slide.active {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .qs-proshow-pic {
    height: 300px;
  }

  .qs-proshow-title {
    font-size: 1.4rem;
  }

  .qs-proshow-stage {
    min-height: 0;
  }

  .qs-proshow-zoom {
    width: 90px;
    height: 90px;
  }

  .qs-proshow-zoom-plus {
    font-size: 1.6rem;
  }
}

/* ============================================================
 * 3. 应用行业（横向全屏 + 悬停扩展 + 毛玻璃仅悬停时生效）
 * ============================================================ */
.qs-sec-industry {
  width: 100vw !important;
  max-width: 100%;
  padding: 0 !important;
  overflow: hidden;
}

.qs-sec-industry>.qs-industry-wrap {
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.qs-sec-industry .qs-title {
  flex-shrink: 0;
  padding: 50px 0 30px;
}

.qs-industry {
  display: flex;
  width: 100%;
  flex: 1 1 0;
  min-height: 0;
  gap: 0;
}

.qs-industry-card {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  cursor: pointer;
  transition: flex .5s cubic-bezier(.25, .8, .25, 1);
  display: block;
}

.qs-industry-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform .8s ease, filter .5s;
}

.qs-industry-glass {
  position: absolute;
  inset: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: backdrop-filter .5s, background .5s;
}

.qs-industry-mask {
  position: relative;
  z-index: 2;
  height: 100%;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.qs-industry-num {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: rgba(255, 255, 255, .18);
  position: absolute;
  top: 28px;
  left: 28px;
  letter-spacing: 2px;
  transition: color .35s, transform .35s;
}

.qs-industry-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: 2px;
  line-height: 1.2;
  transition: transform .35s, text-shadow .35s;
}

.qs-industry-card p {
  font-size: .9rem;
  opacity: .85;
  margin: 0 0 18px;
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s, opacity .35s, margin .35s;
}

/* 悬停：当前卡片变宽 + 图片放大 + 毛玻璃强化 + 标题突出 */
.qs-industry-card:hover {
  flex: 3 1 0;
}

.qs-industry-card:hover .qs-industry-bg {
  transform: scale(1.12);
  filter: brightness(.75) saturate(1.15);
}

.qs-industry-card:hover .qs-industry-glass {
  background: linear-gradient(180deg, rgba(0, 0, 0, .15) 0%, rgba(0, 0, 0, .55) 100%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.qs-industry-card:hover .qs-industry-num {
  color: rgba(255, 255, 255, .35);
  transform: translateY(-4px);
}

.qs-industry-card:hover h4 {
  transform: translateY(-4px);
  text-shadow: 0 4px 18px rgba(0, 0, 0, .5);
  color: #fff;
}

.qs-industry-card:hover p {
  max-height: 80px;
  opacity: 1;
}

.qs-industry-card:hover .qs-industry-more {
  opacity: 1;
  transform: translateY(0);
  background: var(--main);
  border-color: var(--main);
}

/* 响应式：5 列 → 2 列堆叠 */
@media (max-width: 992px) {
  .qs-sec-industry>.qs-industry-wrap {
    height: auto;
    min-height: 0;
  }

  .qs-sec-industry .qs-title {
    padding: 30px 0 20px;
  }

  .qs-industry {
    flex-direction: column;
    height: auto;
    flex: none;
  }

  .qs-industry-card {
    flex: 1 1 auto;
    height: 160px;
  }

  .qs-industry-card:hover {
    flex: 1 1 auto;
  }

  .qs-industry-num {
    font-size: 2.5rem;
    top: 14px;
    left: 18px;
  }

  .qs-industry-mask {
    padding: 20px;
  }

  .qs-industry-card p {
    max-height: 60px;
    opacity: 1;
  }

  .qs-industry-more {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
 * 4. 案例现场（4 个 + 查看更多）
 * ============================================================ */
.qs-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.qs-case-card {
  position: relative;
  display: block;
  height: 240px;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .06);
  transition: transform .35s, box-shadow .35s;
}

.qs-case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .15);
}

.qs-sec-case {
  width: 100%;
  position: relative;
  background: url('index-pbg.jpg') no-repeat center center;
  background-size: cover;
  background-attachment: scroll;
}

.qs-industry-bg{
  width: 100%;
  position: relative;
  background: url('bg-industry.jpg') no-repeat center center;
  background-size: cover;
  background-attachment: scroll;
}

.qs-case-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform .6s ease;
}

.qs-case-card:hover .qs-case-bg {
  transform: scale(1.08);
}

.qs-case-mask {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px 20px;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, .8) 100%);
  transition: background .3s;
}

.qs-case-card:hover .qs-case-mask {
  background: linear-gradient(180deg, rgba(0, 0, 0, .2) 0%, rgba(0, 0, 0, .85) 100%);
}

.qs-case-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 6px;
  transform: translateY(8px);
  transition: transform .3s;
}

.qs-case-card:hover .qs-case-title {
  transform: translateY(0);
}

.qs-case-link {
  font-size: .85rem;
  color: #fff;
  opacity: 0;
  letter-spacing: 1px;
  transform: translateY(8px);
  transition: opacity .3s, transform .3s, color .3s;
}

.qs-case-card:hover .qs-case-link {
  opacity: 1;
  transform: translateY(0);
  color: #ffd1d4;
}

@media (max-width: 992px) {
  .qs-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .qs-case-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
 * 5. 新闻动态（左头条 + 右列表）
 * ============================================================ */
.qs-news-wrap {
  display: grid;
  gap: 24px;
  background: #fff;
  border: 1px solid #eee;
  padding: 20px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .04);
}

.qs-news-wrap--with-head {
  grid-template-columns: 4fr 4fr;
}

.qs-news-wrap--no-head {
  grid-template-columns: 1fr;
}

.qs-news-head {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .3s, box-shadow .3s;
}

.qs-news-head:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .12);
}

.qs-news-head-pic {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f4f4f4;
}

.qs-news-head-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s ease;
}

.qs-news-head:hover .qs-news-head-pic img {
  transform: scale(1.06);
}

.qs-news-head-date {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 14px;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  font-size: .85rem;
  letter-spacing: 1px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.qs-news-head-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  padding: 4px 12px;
  background: var(--main);
  color: #fff;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: 2px;
  line-height: 1.2;
  border-radius: 5px;

}

.qs-news-head-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(0, 0, 0, .5);
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  color: #fff;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qs-news-head-caption .t {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.qs-news-head-caption .info {
  font-size: 1rem;
  font-weight: normal;
  line-height: 1.5;
}

.qs-news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.qs-news-list li {
  border-top: 1px solid #eee;
}

.qs-news-list li:first-child {
  border-top: 0;
}

.qs-news-list li a {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 18px 4px;
  color: #333;
  text-decoration: none;
  transition: padding-left .25s, color .2s;
}

/* 当左侧有头条图时，让右侧列表与左侧(图片+标题)同高：4 条均分 */
.qs-news-wrap--with-head .qs-news-list {
  display: flex;
  flex-direction: column;
}

.qs-news-wrap--with-head .qs-news-list li {
  flex: 1 1 0;
  display: flex;
}

.qs-news-wrap--with-head .qs-news-list li a {
  width: 100%;
}

@media (max-width: 992px) {
  .qs-news-wrap--with-head {
    grid-template-columns: 1fr;
  }

  .qs-news-wrap--with-head .qs-news-list li {
    flex: 0 0 auto;
  }

  .qs-news-list li a {
    padding: 14px 4px;
  }
}

/* ============================================================
 * 6. 服务承诺
 * ============================================================ */
.qs-sec-service {
  width: 100%;
  position: relative;
  background: url('index-service-bg.jpg') no-repeat center center;
  background-size: cover;
  background-attachment: scroll;
}

.qs-service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.qs-service-item {
  text-align: center;
  padding: 50px 28px;
  background: #fff;
  border: 1px solid #eee;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}

.qs-service-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 3px;
  background: var(--main);
  transition: width .35s;
}

.qs-service-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .08);
}

.qs-service-item:hover::before {
  width: 100%;
}

.qs-ico {
  width: 80px;
  height: 80px;
  line-height: 80px;
  margin: 0 auto 22px;
  background: rgba(230, 0, 18, .08);
  color: var(--main);
  font-size: 2.4rem;
  transition: all .3s;
}

.qs-service-item:hover .qs-ico {
  background: var(--main);
  color: #fff;
  transform: rotateY(360deg);
}

.qs-service-item h4 {
  font-size: 1.2rem;
  color: #222;
  margin: 0 0 12px;
}

.qs-service-item p {
  font-size: .9rem;
  color: #777;
  line-height: 1.8;
  margin: 0;
}

@media (max-width: 768px) {
  .qs-service-grid {
    grid-template-columns: 1fr;
  }

  .qs-section {
    padding: 60px 0;
  }

  .qs-title h2 {
    font-size: 1.6rem;
  }
}

/* ============================================================
 * 通用动画
 * ============================================================ */
@keyframes qs-fadein {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
 * 1. 全屏轮播（hero / qs-banner）
 * 参考飞皇集团首页：通屏背景图 + 左侧文字内容（标题/副标题/描述/按钮）
 * ============================================================ */
.qs-banner {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
  background: #111;
  color: #fff;
}

.qs-banner .hero-swiper,
.qs-banner .swiper.hero-swiper {
  width: 100%;
  height: calc(100vh - 0px);
  position: relative;
}

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

.qs-banner .hero-container {
  width: 100%;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100%;
  position: relative;
}

.qs-banner .hero-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  background: #000;
}

.qs-banner .hero-media img,
.qs-banner .hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  box-shadow: none;
  display: block;
}

.qs-banner .hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qs-banner .hero-content {
  position: absolute;
  z-index: 3;
  left: 15%;
  top: 50%;
  transform: translateY(-50%);
  max-width: 640px;
  width: 100%;
  padding: 0;
  color: #fff;
  text-align: left;
}

.qs-banner .hero-title {
  font-size: 4.4rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 4px;
  margin: 0 0 18px;
  color: #fff;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}

.qs-banner .hero-subtitle {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.4;
  margin: 0 0 16px;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .35);
}

.qs-banner .hero-description {
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0 0 36px;
  max-width: 640px;
  color: rgba(255, 255, 255, .92);
  text-shadow: 0 1px 8px rgba(0, 0, 0, .3);
}

.qs-banner .hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.qs-banner .btn {
  display: inline-block;
  padding: 14px 38px;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  border-radius: 4px;
  transition: all .25s ease;
  cursor: pointer;
}

.qs-banner .btn-primary {
  background: var(--main, #e60012);
  color: #fff;
  border: 1px solid var(--main, #e60012);
}

.qs-banner .btn-primary:hover {
  background: #fff;
  color: var(--main, #e60012);
  border-color: #fff;
}

.qs-banner .swiper-pagination {
  position: absolute;
  bottom: 30px;
  left: 0;
  right: 0;
  z-index: 5;
  text-align: center;
}

.qs-banner .swiper-pagination-bullet {
  width: 30px;
  height: 3px;
  background: rgba(255, 255, 255, .5);
  border-radius: 0;
  opacity: 1;
  margin: 0 4px;
  transition: all .3s;
  cursor: pointer;
}

.qs-banner .swiper-pagination .dot {
  display: inline-block;
  width: 30px;
  height: 3px;
  background: rgba(255, 255, 255, .5);
  margin: 0 4px;
  cursor: pointer;
  transition: all .3s;
  vertical-align: middle;
}

.qs-banner .swiper-pagination .dot.active {
  background: #fff;
  width: 50px;
}

.qs-banner .swiper-pagination-bullet-active {
  background: #fff;
  width: 50px;
}

.qs-banner .swiper-button-next,
.qs-banner .swiper-button-prev {
  width: 50px;
  height: 50px;
  background: rgba(0, 0, 0, .25);
  border-radius: 50%;
  color: #fff;
  transition: background .25s;
}

.qs-banner .swiper-button-next::after,
.qs-banner .swiper-button-prev::after {
  font-size: 18px;
  font-weight: 700;
}

.qs-banner .swiper-button-next:hover,
.qs-banner .swiper-button-prev:hover {
  background: var(--main, #e60012);
}

/* 响应式 */
/* 平板：高度按视口宽度 16:9 计算，便于图片/视频按原始比例显示 */
@media (max-width: 992px) {
  .qs-banner {
    height: 56.25vw;     /* 16:9 aspect ratio */
    min-height: 320px;
  }

  .qs-banner .hero-swiper,
  .qs-banner .swiper.hero-swiper {
    height: 100%;        /* 跟随父容器高度（替代 calc(100vh - 0px)） */
  }

  .qs-banner .hero-content {
    padding: 0 30px;
  }

  .qs-banner .hero-title {
    font-size: 3rem;
    letter-spacing: 2px;
  }

  .qs-banner .hero-subtitle {
    font-size: 1.5rem;
  }

  .qs-banner .hero-description {
    font-size: .95rem;
    margin-bottom: 28px;
  }
}

/* 手机：16:9 + 最小高度保障 */
@media (max-width: 600px) {
  .qs-banner {
    height: 56.25vw;     /* 100vw * 9/16 = 56.25vw */
    min-height: 220px;
  }

  .qs-banner .hero-content {
    padding: 0 20px;
  }

  .qs-banner .hero-title {
    font-size: 2.2rem;
  }

  .qs-banner .hero-subtitle {
    font-size: 1.15rem;
  }

  .qs-banner .hero-description {
    font-size: .85rem;
  }

  .qs-banner .btn {
    padding: 10px 26px;
    font-size: .9rem;
  }
}

/* ============================================================
 * 移动端兼容补丁
 * 覆盖：section 高度 / 标题 / 轮播 / 推荐产品 / 应用行业 / 案例 / 新闻 / 通用按钮
 * 断点：<=992（平板）、<=768（小平板/大手机）、<=600（手机）、<=420（极小屏）
 * ============================================================ */

/* ---- 全局：section 高度与内边距 ---- */
@media (max-width: 992px) {
  .qs-section {
    height: auto !important;
    min-height: 0 !important;
    padding: 60px 0;
  }

  .qs-title {
    margin-bottom: 36px;
  }

  .qs-title h2 {
    font-size: 1.7rem;
    letter-spacing: 1px;
  }

  .qs-title h2 small {
    letter-spacing: 4px;
  }

  /* 右侧一屏一屏滚动指示器：移动端隐藏 */
  .qs-snap-nav {
    display: none !important;
  }

  /* swiper 上下/左右箭头：移动端缩小并贴边 */
  .qs-arrow {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    line-height: 38px;
  }

  .qs-arrow.qs-arrow--prev {
    left: 10px;
  }

  .qs-arrow.qs-arrow--next {
    right: 10px;
  }
}

@media (max-width: 600px) {
  .qs-section {
    padding: 44px 0;
  }

  .qs-title {
    margin-bottom: 26px;
  }

  .qs-title h2 {
    font-size: 1.4rem;
  }

  .qs-title h2 small {
    font-size: .7rem;
    letter-spacing: 3px;
  }

  .qs-title .qs-line {
    width: 48px;
    height: 2px;
  }

  .qs-title .qs-line::after {
    width: 7px;
    height: 7px;
  }
}

/* ---- 1. 全屏轮播（hero） ---- */
@media (max-width: 992px) {
  .qs-banner {
    height: 70vh;
    min-height: 420px;
  }

  .qs-banner .hero-swiper,
  .qs-banner .swiper.hero-swiper {
    height: 100%;
  }

  .qs-banner .hero-container {
    grid-template-columns: 1fr;
  }

  /* 移动端：文字居中显示，覆盖桌面端 left: 15% */
  .qs-banner .hero-content {
    left: 0;
    right: 0;
    top: auto;
    bottom: 56px;
    transform: none;
    max-width: 100%;
    text-align: center;
    padding: 0 24px;
  }

  .qs-banner .hero-title {
    font-size: 2.4rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
  }

  .qs-banner .hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 10px;
  }

  .qs-banner .hero-description {
    font-size: .88rem;
    line-height: 1.6;
    margin: 0 auto 22px;
    max-width: 520px;
  }

  .qs-banner .hero-buttons {
    justify-content: center;
  }

  /* 移动端背景遮罩改为上下深，中间略浅，让底部文字更清晰 */
  .qs-banner .hero-media::after {
    background: linear-gradient(180deg,
        rgba(0, 0, 0, .35) 0%,
        rgba(0, 0, 0, .15) 35%,
        rgba(0, 0, 0, .55) 75%,
        rgba(0, 0, 0, .7) 100%);
  }

  /* 移动端关闭 swiper 默认前后按钮（避免遮挡），保留分页器 */
  .qs-banner .swiper-button-next,
  .qs-banner .swiper-button-prev {
    display: none;
  }

  .qs-banner .swiper-pagination {
    bottom: 18px;
  }
}

@media (max-width: 600px) {
  .qs-banner {
    height: 35vh;
    min-height: 280px;
  }

  .qs-banner .hero-content {
    bottom: 48px;
    padding: 0 18px;
  }

  .qs-banner .hero-title {
    font-size: 1.8rem;
    letter-spacing: 1px;
  }

  .qs-banner .hero-subtitle {
    font-size: 1rem;
  }

  .qs-banner .hero-description {
    font-size: .8rem;
    margin-bottom: 16px;
  }

  .qs-banner .btn {
    padding: 9px 22px;
    font-size: .85rem;
  }

  .qs-banner .swiper-pagination-bullet {
    width: 18px;
    height: 2px;
    margin: 0 3px;
  }

  .qs-banner .swiper-pagination-bullet-active {
    width: 28px;
  }
}

@media (max-width: 380px) {
  .qs-banner .hero-title {
    font-size: 1.5rem;
  }

  .qs-banner .hero-subtitle {
    font-size: .9rem;
  }
}

/* ---- 2. 推荐产品（qs-proshow） ---- */
@media (max-width: 992px) {
  .qs-sec-product {
    background-attachment: scroll;
  }

  /* 缩略图列表：横向滚动，避免折行后高度不可控 */
  .qs-proshow-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    margin: 0 -15px 24px;
    padding: 0 15px;
    border-bottom: 1px solid #e5e5e5;
    scrollbar-width: none;
  }

  .qs-proshow-list::-webkit-scrollbar {
    display: none;
  }

  .qs-proshow-list li {
    padding: 10px 16px;
    font-size: .92rem;
    flex: 0 0 auto;
  }

  .qs-proshow-list li+li::before {
    display: none;
  }

  .qs-proshow-list-name {
    max-width: 120px;
  }

  /* 舞台内边距收缩，留出箭头位置 */
  .qs-proshow-stage {
    padding: 0 16px;
    min-height: 0;
  }

  .qs-proshow-slide.active {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .qs-proshow-pic {
    height: 260px;
  }

  .qs-proshow-pic a {
    padding: 8px;
  }

  .qs-proshow-title {
    font-size: 1.4rem;
  }

  .qs-proshow-sname {
    font-size: .9rem;
    margin-bottom: 12px;
  }

  .qs-proshow-desc {
    font-size: .95rem;
    line-height: 1.7;
    -webkit-line-clamp: 3;
    max-height: 90px;
  }

  .qs-proshow-keys {
    gap: 6px;
    margin-bottom: 16px;
  }

  .qs-proshow-key {
    font-size: .8rem;
    padding: 3px 10px;
  }

  .qs-proshow-cta {
    flex-wrap: wrap;
    gap: 12px;
  }

  .qs-proshow-btn {
    padding: 9px 24px;
    font-size: .9rem;
    letter-spacing: 2px;
  }

  .qs-proshow-zoom {
    display: none;
  }
}

@media (max-width: 600px) {
  .qs-proshow {
    padding: 10px 0px;
  }

  .qs-proshow-list {
    margin-bottom: 18px;
  }

  .qs-proshow-list li {
    padding: 8px 12px;
    font-size: .85rem;
  }

  .qs-proshow-list-num {
    font-size: .9rem;
  }

  .qs-proshow-stage {
    padding: 0 14px;
  }

  .qs-proshow-pic {
    height: 220px;
  }

  .qs-proshow-info {
    padding: 8px 0;
  }

  .qs-proshow-title {
    font-size: 1.2rem;
  }

  .qs-proshow-desc {
    font-size: .88rem;
    max-height: 72px;
  }

  .qs-proshow-btn {
    padding: 8px 20px;
    font-size: .85rem;
  }

  .qs-proshow-cat {
    font-size: .72rem;
    padding: 3px 10px;
    margin-bottom: 10px;
  }

  .qs-proshow-stage .qs-arrow {
    display: none;
  }

  /* 优势列表移动端适配 */
  .qs-proshow-advantages {
    gap: 6px;
    margin-bottom: 12px;
  }

  .qs-proshow-adv-item {
    font-size: .88rem;
    gap: 8px;
  }

  .qs-proshow-adv-icon {
    width: 18px;
    height: 18px;
    line-height: 18px;
    font-size: .7rem;
  }
}

/* ---- 3. 应用行业（qs-sec-industry） ---- */
@media (max-width: 992px) {
  .qs-sec-industry>.qs-industry-wrap {
    height: auto;
    min-height: 0;
  }

  .qs-industry-slides {
    height: 50vh;
    min-height: 320px;
  }

  .qs-industry-slide-content {
    padding: 0 6%;
  }

  .qs-industry-slide-title {
    font-size: 1.9rem;
    letter-spacing: 1px;
  }

  .qs-industry-slide-desc {
    font-size: .92rem;
    line-height: 1.7;
    margin: 0 0 22px;
  }

  .qs-industry-slide-tag {
    font-size: .78rem;
    padding: 4px 12px;
    margin-bottom: 16px;
  }

  .qs-industry-slide-btn {
    padding: 10px 22px;
    font-size: .88rem;
  }

  .qs-industry-nav-list {
    flex-wrap: wrap;
  }

  .qs-industry-nav-list li {
    flex: 1 1 50%;
    border-right: 1px solid rgba(255, 255, 255, .08);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .qs-industry-nav-list li:nth-child(2n) {
    border-right: none;
  }

  .qs-industry-nav-list li.active::after {
    display: none;
  }

  /* 移动端隐藏左右大箭头（避免遮挡 swiper） */
  .qs-arrow.qs-industry-prev,
  .qs-arrow.qs-industry-next {
    display: none;
  }
}

@media (max-width: 600px) {
  .qs-industry-slides {
    height: 42vh;
    min-height: 280px;
  }

  .qs-industry-slide-content {
    padding: 0 5%;
  }

  .qs-industry-slide-title {
    font-size: 1.4rem;
  }

  .qs-industry-slide-desc {
    font-size: .82rem;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .qs-industry-slide-tag {
    font-size: .7rem;
    padding: 3px 10px;
    margin-bottom: 12px;
  }

  .qs-industry-slide-btn {
    padding: 8px 18px;
    font-size: .8rem;
    letter-spacing: 1px;
  }

  .qs-industry-nav-list li {
    flex: 1 1 50%;
  }

  .qs-industry-nav-list li a {
    padding: 12px 6px;
    font-size: .82rem;
    gap: 2px;
  }

  .qs-industry-nav-num {
    font-size: .65rem;
  }

  .qs-industry-nav-name {
    font-size: .88rem;
  }
}

/* ---- 4. 案例现场（qs-case-carousel） ---- */
@media (max-width: 992px) {
  .qs-case-carousel {
    padding: 20px 0 36px;
  }

  .qs-case-card.swiper-slide {
    height: 360px;
    transform: scale(0.92);
  }

  .qs-case-card.swiper-slide-active {
    height: 380px;
    transform: scale(1);
  }

  .qs-case-card-pic {
    height: 240px;
  }

  .qs-case-card.swiper-slide-active .qs-case-card-pic {
    height: 260px;
  }

  .qs-case-card-title {
    font-size: 1rem;
  }

  .qs-case-card-desc {
    font-size: .8rem;
  }

  .qs-case-card-body {
    padding: 14px 12px;
  }

  .qs-case-card-link {
    font-size: .82rem;
  }

  /* 案例导航按钮：移动端缩小并贴边，避开卡片 */
  .qs-case-nav-row {
    display: none;
  }

  /* 案例轮播在移动端让 swiper 原生可滑动，按钮交给用户手势 */
}

@media (max-width: 600px) {
  .qs-case-carousel {
    padding: 12px 0 28px;
  }

  .qs-case-card.swiper-slide {
    height: 320px;
    transform: scale(0.95);
  }

  .qs-case-card.swiper-slide-active {
    height: 340px;
  }

  .qs-case-card-pic {
    height: 200px;
  }

  .qs-case-card.swiper-slide-active .qs-case-card-pic {
    height: 220px;
  }

  .qs-case-card-title {
    font-size: .95rem;
  }

  .qs-case-card-body {
    padding: 12px 10px;
  }

  .qs-case-pagination {
    margin-top: 8px;
  }

  .qs-case-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
  }

  .qs-case-pagination .swiper-pagination-bullet-active {
    width: 20px;
  }

  .qs-case-more-btn {
    padding: 10px 24px;
    font-size: .88rem;
  }

  .qs-case-more-wrap {
    margin-top: 24px;
  }
}

/* ---- 5. 新闻动态（qs-news-wrap） ---- */
@media (max-width: 992px) {

  .qs-news-wrap,
  .qs-news-wrap--with-head,
  .qs-news-wrap--no-head {
    grid-template-columns: 1fr;
    padding: 14px;
    gap: 18px;
  }

  .qs-news-head-pic {
    aspect-ratio: 16 / 10;
  }

  .qs-news-head-caption {
    padding: .8rem;
  }

  .qs-news-head-caption .t {
    font-size: 1.1rem;
    margin-bottom: .3rem;
  }

  .qs-news-head-caption .info {
    font-size: .85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .qs-news-wrap--with-head .qs-news-list li {
    flex: 0 0 auto;
  }

  .qs-news-list li a {
    padding: 12px 2px;
    gap: 12px;
  }

  .qs-news-title {
    font-size: .95rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .qs-news-desc {
    font-size: .82rem;
    line-height: 1.5;
    margin-top: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media (max-width: 600px) {
  .qs-news-wrap {
    padding: 10px;
    gap: 12px;
  }

  .qs-news-head-pic {
    aspect-ratio: 16 / 9;
  }

  .qs-news-head-caption {
    padding: .6rem .7rem;
  }

  .qs-news-head-caption .t {
    font-size: .95rem;
  }

  .qs-news-head-caption .info {
    font-size: .78rem;
  }

  .qs-news-head-tag {
    left: 8px;
    top: 8px;
    padding: 2px 8px;
    font-size: .7rem;
  }

  .qs-news-list li a {
    padding: 10px 0;
    gap: 8px;
  }

  .qs-news-title {
    font-size: .9rem;
  }

  .qs-news-desc {
    font-size: .78rem;
    -webkit-line-clamp: 1;
  }
}

/* ---- 6. 通用查看更多 / 弹窗 / 顶部导航 ---- */
@media (max-width: 768px) {
  .qs-tips {
    font-size: .8rem;
  }

  .qs-section-more {
    margin-top: 30px;
  }

  .qs-section-more-btn {
    padding: 10px 26px;
    font-size: .88rem;
    letter-spacing: 1px;
  }

  .qs-empty {
    padding: 36px 14px;
    font-size: .88rem;
  }

  /* 搜索弹窗：移动端全屏化 */
  .qs-search-dialog {
    padding: 28px 18px 22px;
    border-radius: 10px;
  }

  .qs-search-title {
    font-size: 1.05rem;
    margin-bottom: 18px;
  }

  .qs-search-form input[type="text"] {
    height: 42px;
    font-size: .92rem;
    flex: auto;
    margin-bottom: 5px;
  }

  .qs-search-form button[type="submit"] {
    height: 42px;
    padding: 0 18px;
    font-size: .9rem;
  }

  /* 顶部导航：移动端隐藏文字菜单（已由 layout 切换汉堡按钮负责） */
  .nav>li>a {
    padding: 0 12px;
    font-size: .9rem;
  }

  .nav>li>a span {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {

  .qs-container,
  .qs-container-wide {
    padding: 0 12px;
  }

  .qs-section-more-btn {
    padding: 9px 20px;
    font-size: .82rem;
  }
}

/* ---- 防止 iOS 横竖屏切换时字号异常放大 ---- */
@supports (-webkit-touch-callout: none) {

  .qs-banner .hero-title,
  .qs-banner .hero-subtitle,
  .qs-proshow-title,
  .qs-news-title {
    -webkit-text-size-adjust: 100%;
  }
}

/* 兼容横屏（高度较矮时不让 hero 占满） */
@media (max-height: 500px) and (orientation: landscape) {
  .qs-banner {
    height: 100vh;
    min-height: 360px;
  }
}

/* ============================================================
 * 产品列表页（ProductList）移动端适配
 * 覆盖：侧边栏 / 卡片网格 / 图片高度 / 分页 / 搜索结果条
 * 断点：<=992（平板）、<=768（小屏）、<=600（手机）、<=420（极小屏）
 * ============================================================ */

/* ---- 1. 整体布局 ---- */
@media (max-width: 992px) {
  .qs-prolist-wrap {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
  }

  /* 侧边栏在平板及以上仍可显示为顶栏 2 列 */
  .qs-prolist-side {
    margin-bottom: 0;
  }

  .qs-prolist-main {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .qs-prolist-card .qs-pic {
    height: 260px;
  }

  .qs-prolist-card .qs-info {
    padding: .9rem;
  }

  .qs-prolist-card .qs-info h4 {
    font-size: 1rem;
    min-height: 0;
  }

  .qs-prolist-card .qs-info p {
    font-size: .85rem;
    min-height: 0;
  }
}

@media (max-width: 768px) {

  /* 侧边栏改为顶部水平滚动：分类多时不必换行也不必展开/折叠 */
  .qs-prolist-side .qs-side-title {
    font-size: 18px;
    padding: 16px 0;
    letter-spacing: 2px;
  }

  .qs-side-list {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid #eee;
    border-top: none;
    border-radius: 0 0 10px 10px;
    scrollbar-width: none;
  }

  .qs-side-list::-webkit-scrollbar {
    display: none;
  }

  .qs-side-list li {
    flex: 0 0 auto;
    padding: 0 14px;
    border-bottom: none;
    border-right: 1px solid #eee;
  }

  .qs-side-list li:last-child {
    border-right: none;
  }

  .qs-side-list li a {
    font-size: .95rem;
    line-height: 1.4;
    padding: 12px 4px;
    white-space: nowrap;
  }

  .qs-side-list li a:hover,
  .qs-side-list li a.active {
    background: transparent;
    color: var(--main);
  }

  .qs-side-list li a.active {
    font-weight: 600;
    position: relative;
  }

  .qs-side-list li a.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    background: var(--main);
    border-radius: 2px;
  }

  .qs-side-arrow {
    display: none;
  }

  /* 卡片间距收紧 */
  .qs-prolist-main {
    gap: 14px;
  }
}

/* ============================================================
 * 顶部导航 mega 菜单样式（已迁移到 qs.css，全局生效）
 * 此处仅保留先锋机械主题的样式覆盖
 * ============================================================ */

/* 先锋机械主题：mega 菜单顶部装饰线颜色、标题装饰色 */
.qs-mega-menu {
  border-top-color: var(--main, #e60012);
}

.qs-mega-menu .qs-mega-col-title::after,
.qs-mega-menu .qs-mega-list li:hover::before,
.qs-mega-menu .qs-mega-list li a:hover,
.qs-mega-menu .qs-mega-col-title a:hover {
  color: var(--main, #e60012);
}

/* 移动端一级菜单：白底深色字（默认是白字，桌面渐变背景才适用；移动端弹出层是白底） */
@media (max-width: 992px) {
  #header .top-nav-right>ul.nav>li>a,
  #header .top-nav-right>ul.nav>li>a span,
  #header .top-nav-right>ul.nav>li>a .qs-nav-arrow {
    color: #2a2a2a !important;
  }

  #header .top-nav-right>ul.nav>li>a:hover,
  #header .top-nav-right>ul.nav>li.active>a,
  #header .top-nav-right>ul.nav>li:hover>a .qs-nav-arrow,
  #header .top-nav-right>ul.nav>li.active>a .qs-nav-arrow,
  #header .top-nav-right>ul.nav>li .sec-nav li a:hover,
  #header .top-nav-right>ul.nav>li .sec-nav li a:focus {
    color: var(--main, #e60012) !important;
    border-left-color: var(--main, #e60012) !important;
  }
}

@media (max-width: 600px) {
  .qs-prolist-main {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .qs-prolist-card .qs-pic {
    height: 180px;
  }

  .qs-prolist-card .qs-info {
    padding: .7rem .6rem;
  }

  .qs-prolist-card .qs-info h4 {
    font-size: .92rem;
    margin-bottom: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .qs-prolist-card .qs-info p {
    font-size: .78rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .qs-prolist-card:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
  }
}

@media (max-width: 420px) {
  .qs-prolist-main {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .qs-prolist-card .qs-pic {
    height: auto;
  }

  .qs-prolist-card .qs-info {
    padding: .8rem .9rem;
    text-align: left;
  }

  .qs-prolist-card .qs-info h4 {
    font-size: 1rem;
    -webkit-line-clamp: 2;
  }

  .qs-prolist-card .qs-info p {
    font-size: .82rem;
    -webkit-line-clamp: 2;
  }
}

/* ---- 2. 搜索结果条 ---- */
@media (max-width: 768px) {
  .qs-search-result-bar {
    font-size: 13px;
    padding: 10px 12px;
    margin-bottom: 14px;
    border-radius: 3px;
  }

  .qs-search-result-bar .qs-search-count {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .qs-search-result-bar {
    font-size: 12px;
    line-height: 1.6;
  }

  .qs-search-result-bar .qs-search-count {
    font-size: 14px;
  }

  .qs-search-result-bar .qs-search-kw {
    word-break: break-all;
  }
}

/* ---- 3. 分页 ---- */
@media (max-width: 600px) {
  .qs-pagebar {
    padding: 20px 0 6px;
  }

  .qs-pagebar a,
  .qs-pagebar span {
    min-width: 30px;
    height: 30px;
    line-height: 28px;
    padding: 0 8px;
    margin: 0 2px;
    font-size: .82rem;
  }

  /* 分页按钮在极窄屏允许横向滑动，避免换行撑破布局 */
  .qs-pagebar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .qs-pagebar a,
  .qs-pagebar span {
    margin-bottom: 6px;
  }
}

@media (max-width: 380px) {

  .qs-pagebar a,
  .qs-pagebar span {
    min-width: 26px;
    height: 26px;
    line-height: 24px;
    padding: 0 6px;
    font-size: .75rem;
    margin: 0 1px 4px;
  }
}

/* ============================================================
 * 5. 公司实力（左右两块面板：clip-path 切出斜边）
 * 设计：
 *   - 左侧：红色主题面板（用 clip-path 切出斜边）
 *   - 右侧：工厂实景图（用 clip-path 切出斜边，与左面板对接）
 *   - 5 个数据卡：浮在斜边交界处，沿斜边错位排列
 *   - 数字跑动 + 卡片错位入场
 *   - 内容区用 grid 2 列布局，clip-path 只影响背景层
 * ============================================================ */
.qs-section-strength {
  position: relative;
  color: #1a1a1a;
  min-height: 620px;
  overflow: hidden;
  background-color: var(--xf-main);
  /* 入场淡入 */
  opacity: 0;
  transition: opacity .8s ease;
}

.qs-reveal.is-active.qs-section-strength {
  opacity: 1;
}

/* 右侧：工厂实景图（clip-path 切出斜边，左边与红色面板对接） */
.qs-strength-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-color: var(--xf-main);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* 斜边（角度再加大）：顶部在 70%，底部在 30%（向左倾斜 40%） */
  clip-path: polygon(60% 0, 100% 0, 100% 100%, 40% 100%);
  z-index: 0;
  /* 入场缩放 */
  transform: scale(1.12);
  transition: transform 1.4s cubic-bezier(.25, .46, .45, .94);
  background-image: url('bg-strength.jpg');
}

.qs-reveal.is-active .qs-strength-img {
  transform: scale(1);
}

/* 左侧：背景图（用 clip-path 切出斜边，右边与图片对接） */
.qs-strength-panel {
  position: absolute;
  inset: 0;
  background-color: var(--xf-main);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* 斜边（角度再加大，与右图对接）：顶部在 70%，底部在 30% */
  clip-path: polygon(0 0, 60% 0, 40% 100%, 0 100%);
  -webkit-clip-path: polygon(0 0, 60% 0, 40% 100%, 0 100%);
  z-index: 0;
  overflow: hidden;
}

/* ============ 内容区：2 列 grid（不被 clip-path 影响） ============ */
.qs-strength-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 620px;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 60px 0;
  box-sizing: border-box;
}

/* 左侧文字面板（grid 第 1 列）- 左对齐与 logo */
.qs-strength-text {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 0;
  padding-right: 20px;
  z-index: 3;
}

.qs-strength-text-inner {
  max-width: 460px;
  width: 100%;
  padding: 0;
  color: #fff;
}

.qs-strength-label {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(255, 255, 255, .2);
  color: #fff;
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: 4px;
  border-radius: 2px;
  margin-bottom: 22px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .3);
}

.qs-strength-label::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, .4),
      transparent);
  transition: left .8s ease .6s;
}

.qs-strength-label.wow.animated::after,
.qs-strength-label.is-shimmer::after {
  left: 100%;
}

.qs-strength-title {
  font-size: 2.6rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 20px;
  line-height: 1.3;
  letter-spacing: 1px;
  position: relative;
  z-index: 2;
}

.qs-strength-title em {
  display: inline-block;
  font-style: normal;
  color: #ffd700;
  font-size: 3.2rem;
  font-weight: 800;
  margin: 0 4px;
  font-family: 'Oswald', 'Arial Black', sans-serif;
  opacity: 0;
  transform: scale(.3) rotate(-20deg);
  transition: opacity .6s ease, transform .8s cubic-bezier(.34, 1.56, .64, 1);
}

.qs-strength-title.wow.animated em,
.qs-strength-title.is-animated em {
  opacity: 1;
  transform: scale(1) rotate(0);
}

.qs-strength-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, .85);
  line-height: 1.8;
  margin: 0 0 36px;
}

.qs-strength-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.qs-strength-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 26px;
  font-size: .95rem;
  font-weight: 500;
  border-radius: 4px;
  text-decoration: none;
  transition: all .25s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.qs-strength-btn i {
  font-style: normal;
  transition: transform .25s ease;
}

.qs-strength-btn:hover i {
  transform: translateX(4px);
}

.qs-strength-btn--primary {
  background: #fff;
  color: var(--xf-main, #c41230);
  box-shadow: 0 6px 16px rgba(0, 0, 0, .2);
}

.qs-strength-btn--primary:hover {
  background: var(--xf-accent, #ffd700);
  color: var(--xf-main-dark, #a00020);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .3);
}

.qs-strength-btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .6);
}

.qs-strength-btn--ghost:hover {
  background: rgba(255, 255, 255, .15);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

/* ============ 右侧 5 个数据卡（沿斜边排列） ============ */
/* 容器：grid 第 2 列，相对定位，卡片在里面绝对定位 */
/* overflow: visible 让卡片能越过斜边到左侧 */
.qs-strength-stats {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 500px;
  z-index: 4;
  pointer-events: none;
  overflow: visible;
}

.qs-strength-stat {
  pointer-events: auto;
}

/* 数据卡入场：默认隐藏（透明 + 略向右移） */
.qs-strength-stat {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 2;
  transform-origin: left center;
  opacity: 0;
  transform: translateX(50px);
  transition: opacity .7s cubic-bezier(.25, .46, .45, .94),
    transform .8s cubic-bezier(.25, .46, .45, .94);
}

.qs-reveal.is-active .qs-strength-stat {
  opacity: 1;
  transform: translateX(0);
  transition-delay: calc(.5s + var(--stat-i, 0) * .15s);
}

/* 5 张卡沿斜边定位（在 .qs-strength-stats 容器内）
   容器本身在右半边（左边界约 50% 视口），
   斜边从 70%（顶部）到 30%（底部），斜率 = -0.4，所以卡片 X 位置随 Y 变化：
   - Y=0%:   seam X = 70% (右列内 20%)
   - Y=50%:  seam X = 50% (右列左边界 0%)
   - Y=100%: seam X = 30% (右列左边界外 -20%)
   卡片左边缘紧贴斜边，使圆点正好在斜线上 */
.qs-strength-stat[data-stat-delay="0"] {
  top: 5%;
  left: 8%;
  --stat-i: 0;
}

.qs-strength-stat[data-stat-delay="1"] {
  top: 25%;
  left: 3%;
  --stat-i: 1;
}

.qs-strength-stat[data-stat-delay="2"] {
  top: 45%;
  left: -2%;
  --stat-i: 2;
}

.qs-strength-stat[data-stat-delay="3"] {
  top: 65%;
  left: -7%;
  --stat-i: 3;
}

.qs-strength-stat[data-stat-delay="4"] {
  top: 85%;
  left: -12%;
  --stat-i: 4;
}

/* 圆点：吸附到斜边上 */
.qs-strength-stat .qs-strength-dot {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  background: #fff;
  border: 4px solid var(--xf-accent, #ffd700);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(196, 18, 48, .25), 0 0 16px rgba(255, 215, 0, .5);
  z-index: 3;
  position: relative;
  transform: scale(0);
  transition: transform .5s cubic-bezier(.34, 1.56, .64, 1), box-shadow .25s ease;
  transition-delay: 0s;
  flex-shrink: 0;
}

.qs-reveal.is-active .qs-strength-stat .qs-strength-dot {
  transform: scale(1);
  transition-delay: calc(.85s + var(--stat-i, 0) * .15s), 0s;
}

.qs-strength-stat:hover .qs-strength-dot {
  transform: scale(1.25);
  background: var(--xf-accent, #ffd700);
  box-shadow: 0 0 0 4px rgba(196, 18, 48, .35), 0 0 20px rgba(255, 215, 0, .8);
}

/* 卡片 */
.qs-strength-stat-card {
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 8px;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;

}

.qs-strength-stat-card::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 8px 8px 0;
  border-color: transparent rgba(255, 255, 255, .98) transparent transparent;
  filter: drop-shadow(-1px 0 1px rgba(0, 0, 0, .08));
}

.qs-strength-stat:hover .qs-strength-stat-card {
  transform: translateX(6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
}

.qs-strength-stat-num {
  display: flex;
  align-items: baseline;
  line-height: 1;
  white-space: nowrap;
  border-right: 1px solid #e0e0e0;
  padding-right: 16px;
}

.qs-strength-stat-num .qs-num {
  font-family: 'Oswald', 'Arial Black', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--xf-main, #c41230);
  letter-spacing: 1px;
  background: linear-gradient(90deg,
      var(--xf-main, #c41230) 0%,
      var(--xf-accent, #ffd700) 50%,
      var(--xf-main, #c41230) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: qs-shimmer 3s linear infinite;
  animation-play-state: paused;
}

.qs-reveal.is-active .qs-strength-stat-num .qs-num {
  animation-play-state: running;
  animation-delay: 1.2s;
}

.qs-strength-stat-num .qs-unit {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--xf-main, #c41230);
  margin-left: 2px;
}

.qs-strength-stat-label {
  font-size: .95rem;
  color: #333;
  font-weight: 500;
  letter-spacing: 1px;
}

/* ============ 入场动画 keyframes ============ */
@keyframes qs-zoom-in {
  0% {
    transform: scale(1.12);
  }

  100% {
    transform: scale(1);
  }
}

@keyframes qs-line-grow {
  0% {
    transform: scaleY(0);
    opacity: 0;
  }

  60% {
    opacity: 1;
  }

  100% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes qs-fade-in-right {
  0% {
    opacity: 0;
    transform: translateX(60px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes qs-fade-in-left {
  0% {
    opacity: 0;
    transform: translateX(-40px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes qs-fade-in-up {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes qs-pop-in {
  0% {
    opacity: 0;
    transform: scale(.3);
  }

  60% {
    transform: scale(1.15);
    opacity: 1;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes qs-shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* 响应式 */
@media (max-width: 992px) {
  .qs-section-strength {
    min-height: auto;
  }

  .qs-strength-wrap {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 30px;
  }

  /* 移动端：左右两面板改为上下，clip-path 简化为纯矩形 */
  .qs-strength-img {
    position: relative;
    height: 280px;
    clip-path: none;
    -webkit-clip-path: none;
  }

  .qs-strength-panel {
    position: relative;
    height: auto;
    clip-path: none;
    -webkit-clip-path: none;
  }

  .qs-strength-text {
    padding-right: 0;
    justify-content: center;
  }

  .qs-strength-text-inner {
    max-width: 100%;
    text-align: center;
  }

  .qs-strength-title {
    font-size: 2rem;
  }

  .qs-strength-title em {
    font-size: 2.4rem;
  }

  .qs-strength-actions {
    justify-content: center;
  }

  .qs-strength-stats {
    min-height: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px 0;
  }

  .qs-strength-stat {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    margin: 0;
    justify-content: center;
  }

  .qs-strength-stat-card::before {
    display: none;
  }
}

@media (max-width: 600px) {
  .qs-strength-wrap {
    padding: 30px 16px;
  }

  .qs-strength-text-inner {
    padding: 0;
  }

  .qs-strength-title {
    font-size: 1.6rem;
  }

  .qs-strength-title em {
    font-size: 1.9rem;
  }

  .qs-strength-sub {
    font-size: .95rem;
  }

  .qs-strength-stats {
    padding: 0;
  }

  .qs-strength-stat {
    gap: 12px;
  }

  .qs-strength-dot {
    width: 14px;
    height: 14px;
    border-width: 3px;
  }

  .qs-strength-stat-card {
    padding: 10px 14px;
    gap: 10px;
  }

  .qs-strength-stat-num {
    padding-right: 10px;
  }

  .qs-strength-stat-num .qs-num {
    font-size: 1.4rem;
  }

  .qs-strength-stat-num .qs-unit {
    font-size: .85rem;
  }

  .qs-strength-stat-label {
    font-size: .82rem;
  }
}

/* ============================================================
 * 6. 服务保障版块（世界地图背景 + 3 个核心数据）
 * 背景图：/Content/images/index-service-bg.jpg
 * 排版：标题（红字 + QIANGSHUO 大背景字）+ 3 列数据（大红色数字 + 短横线 + 描述）
 * ============================================================ */
.qs-section-service {
  position: relative;
  padding: 100px 0 100px;
  overflow: hidden;
}

/* 世界地图背景（使用 index-service-bg.jpg） */
.qs-service-bg {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
  background-color: #fff;
  z-index: 0;
  /* 整体缩放略大以避免边缘露白 */
  transform: scale(1.05);
  opacity: .55;
}

.qs-service-container {
  position: relative;
  z-index: 2;
}

.qs-section-service .qs-title h2 {
  color: #5a0d18;
}

.qs-section-service .qs-title h2 small {
  color: rgba(90, 13, 24, .5);
}

.qs-section-service .qs-title .qs-line {
  background: var(--xf-main, #c41230);
}

/* ============ 3 个数据项（80000+ / 100+ / 365天） ============ */
.qs-service-stats {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 0;
  margin: 60px 0 0;
  padding: 0;
}

.qs-service-stat {
  flex: 1 1 0;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 20px;
  position: relative;
}
/* 相邻项之间竖线分隔 */
.qs-service-stat:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 72px;
  background: rgba(196, 18, 48, .35);
}

/* 大数字（红色 + 加号/单位） */
.qs-service-stat-num {
  display: flex;
  align-items: baseline;
  justify-content: center;
  line-height: 1;
  margin-bottom: 22px;
  color: var(--xf-main, #c41230);
}
.qs-service-stat-val {
  font-family: 'Oswald', 'Arial Black', sans-serif;
  font-size: 5.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  background: linear-gradient(180deg,
      var(--xf-main, #e84127) 0%,
      var(--xf-main-dark, #a00020) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 16px rgba(196, 18, 48, .15);
}
.qs-service-stat-plus,
.qs-service-stat-unit {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--xf-main, #c41230);
  margin-left: 4px;
}

/* 数字下方短横线（红色装饰条） */
.qs-service-stat-line {
  width: 36px;
  height: 3px;
  background: var(--xf-main, #c41230);
  border-radius: 1.5px;
  margin: 0 0 18px;
}

/* 描述文字 */
.qs-service-stat-label {
  font-size: 1.05rem;
  color: #444;
  letter-spacing: 2px;
  line-height: 1.6;
  font-weight: 500;
}

/* 响应式 */
@media (max-width: 992px) {
  .qs-section-service {
    padding: 70px 0 80px;
  }
  .qs-service-stats {
    margin-top: 40px;
  }
  .qs-service-stat {
    min-width: 200px;
  }
  .qs-service-stat-val {
    font-size: 4rem;
  }
  .qs-service-stat-plus,
  .qs-service-stat-unit {
    font-size: 2rem;
  }
}

@media (max-width: 600px) {
  .qs-section-service {
    padding: 50px 0 60px;
  }
  .qs-service-stats {
    flex-direction: column;
    margin-top: 30px;
  }
  .qs-service-stat {
    min-width: 0;
    width: 100%;
    padding: 20px 16px;
  }
  /* 移动端：水平横线分隔 */
  .qs-service-stat:not(:last-child)::after {
    right: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(50%);
    width: 60%;
    max-width: 200px;
    height: 1px;
  }
  .qs-service-stat-val {
    font-size: 3.4rem;
  }
  .qs-service-stat-plus,
  .qs-service-stat-unit {
    font-size: 1.6rem;
  }
  .qs-service-stat-num {
    margin-bottom: 16px;
  }
  .qs-service-stat-label {
    font-size: .95rem;
    letter-spacing: 1px;
  }
}

/* ============================================================
 * 3. 应用行业版块 - 强化视觉
 * ============================================================ */
.qs-sec-industry .qs-title {
  margin-bottom: 50px;
}

.qs-sec-industry .qs-title-desc {
  margin-top: 16px;
  font-size: 1rem;
  color: #555;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ============================================================
 * 3. 应用行业（通屏背景 + 标题 + 简述 + 4 个行业 + 了解更多）
 * 背景图：/Content/images/bg-industry.jpg
 * 排版参考：标题顶部小橙色短线 + 描述多行 + 4 个行业（图标+名称，竖线分隔）+ 了解更多按钮
 * ============================================================ */
.qs-section-industry {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  /* 默认可见，避免 JS 未触发时空白 */
}

/* 背景大图 div（Chrome 兼容性优化）
   关键点：
   1. 不能使用 will-change/opacity/transform 等会创建合成层的属性，
      否则 Chrome 在合成层上不会正确栅格化 background-image；
   2. 使用 inset:0 简写而非 top/right/bottom/left 逐项写，
      配合 background-size:cover 才会按容器尺寸渲染；
   3. background-image 由 HTML 内联 style 提供（默认 = 第一个行业的图片），
      避免占位文件 bg-industry.jpg 不存在时显示空白。
*/
.qs-industry-bg {
  position: absolute;
  inset: 0;
  display: block;
  background-color: #5a0d18;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 0;
  pointer-events: none;
  /* 保留 opacity 过渡但不要 will-change（避免合成层导致背景图不显示） */
  transition: opacity .5s ease;
}

/* 蓝色叠加层（保证白色文字可读） */
.qs-industry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(15, 60, 110, .55) 0%,
      rgba(20, 80, 150, .55) 50%,
      rgba(15, 60, 110, .55) 100%);
  z-index: 1;
  transition: background .6s ease;
}

/* 居中内容容器 */
.qs-industry-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  padding: 70px 100px;
  text-align: center;
}

/* 大标题（顶部小橙色装饰线 + 白字） */
.qs-industry-title {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 6px;
  margin: 0 0 30px;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .25);
  position: relative;
  display: inline-block;
  padding-top: 22px;
}
/* 标题顶部小橙色装饰线 */
.qs-industry-title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 38px;
  height: 3px;
  background: var(--xf-main, #c41230);
  border-radius: 1px;
}

/* 行业简介（多行描述，居中） */
.qs-industry-desc {
  margin: 0 auto 56px;
  font-size: 1rem;
  line-height: 2;
  color: rgba(255, 255, 255, .88);
  text-shadow: 0 1px 3px rgba(0, 0, 0, .25);
  max-width: 1080px;
}

/* ============ 4 个行业（图标 + 名称，竖线分隔） ============ */
.qs-industry-list {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  margin: 0 0 50px;
  padding: 0;
  list-style: none;
}

.qs-industry-item {
  position: relative;
  flex: 1 1 0;
  min-width: 160px;
  max-width: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 18px 24px;
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
  transition: color .25s ease, transform .25s ease;
}
/* 竖线分隔（除最后一个外） */
.qs-industry-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 56px;
  background: rgba(255, 255, 255, .35);
}
.qs-industry-item:hover {
  color: #fff;
  transform: translateY(-3px);
}
.qs-industry-item:hover .qs-industry-item-ico {
  color: var(--xf-main-light, #ff5a4e);
  transform: scale(1.1);
}

/* 行业图标 */
.qs-industry-item-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  color: currentColor;
  font-style: normal;
  line-height: 1;
  transition: color .25s ease, transform .25s ease;
}
.qs-industry-item-ico[class*="qs-ico-"]::before {
  font-size: 3.5rem;
  line-height: 1;
  display: inline-block;
  font-family: "iconfont";
  content: "\e611";
}

.qs-ico-industry-1::before { content: "\e650"!important; }
.qs-ico-industry-2::before { content: "\e64a"!important; }
.qs-ico-industry-3::before { content: "\e611"!important; }
.qs-ico-industry-4::before { content: "\e63f"!important; }
.qs-ico-industry-5::before { content: "\e650" !important; }

/* 行业名称 */
.qs-industry-item-name {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 1px;
  white-space: nowrap;
}

/* ============ 了解更多按钮（外描边胶囊按钮） ============ */
.qs-industry-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 32px;
  background: transparent;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, .65);
  transition: all .25s ease;
}
.qs-industry-more:hover {
  background: #fff;
  color: var(--xf-main, #c41230);
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .25);
}
.qs-industry-more i {
  font-size: 1.1rem;
  font-style: normal;
  transition: transform .25s ease;
}
.qs-industry-more:hover i {
  transform: translateX(4px);
}

/* 响应式 */
@media (max-width: 992px) {
  .qs-section-industry {
    min-height: 520px;
  }

  .qs-industry-inner {
    padding: 50px 60px;
  }

  .qs-industry-title {
    font-size: 2rem;
    letter-spacing: 5px;
  }

  .qs-industry-desc {
    font-size: .95rem;
    line-height: 1.9;
    margin-bottom: 40px;
  }

  .qs-industry-item {
    min-width: 140px;
    padding: 16px 20px;
  }
  .qs-industry-item:not(:last-child)::after {
    height: 44px;
  }
  .qs-industry-item-ico {
    width: 38px;
    height: 38px;
  }
  .qs-industry-item-ico[class*="qs-ico-"]::before {
    font-size: 36px;
  }
  .qs-industry-item-name {
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .qs-section-industry {
    min-height: auto;
    padding: 40px 0;
  }

  .qs-industry-inner {
    padding: 30px 16px;
  }

  .qs-industry-title {
    font-size: 1.7rem;
    letter-spacing: 4px;
    margin-bottom: 22px;
  }

  .qs-industry-desc {
    font-size: .85rem;
    line-height: 1.8;
    margin-bottom: 30px;
  }
  .qs-industry-desc br {
    display: none;
  }

  .qs-industry-list {
    margin-bottom: 32px;
  }

  .qs-industry-item {
    flex: 1 1 50%;
    min-width: 0;
    padding: 14px 8px;
  }
  /* 移动端：2x2 网格，竖线只在右/下显示 */
  .qs-industry-item:not(:last-child)::after {
    display: none;
  }
  .qs-industry-item:nth-child(odd)::after {
    content: "";
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 38px;
    background: rgba(255, 255, 255, .35);
  }
  .qs-industry-item:nth-child(-n+2) {
    border-bottom: 1px solid rgba(255, 255, 255, .18);
    padding-bottom: 18px;
    margin-bottom: 4px;
  }

  .qs-industry-item-ico {
    width: 32px;
    height: 32px;
  }
  .qs-industry-item-ico[class*="qs-ico-"]::before {
    font-size: 30px;
  }
  .qs-industry-item-name {
    font-size: .9rem;
  }

  .qs-industry-more {
    padding: 10px 26px;
    font-size: .9rem;
  }
}