/* 基准字号1rem = 16px，方便响应式缩放 */
html { font-size: 16px; scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body { overflow-x: hidden; }
/* 容器最大宽1600px */
.qs-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.qs-container-wide {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 30px;
  box-sizing: border-box;
}

/* ============== 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: 90px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  clear: both;
  box-sizing: border-box;
  overflow: hidden;
}
.qs-section > .qs-container {  min-height: 0; display: flex; flex-direction: column; }
.qs-section-white { background: #ffffff; }
.qs-section-light { background: #f7f8fa; }
.qs-section-gray  { background: #f0f1f3; }
.qs-section + .qs-section { margin-top: 0; }

/* 标题区 */
/* ============================================================
 * 1. section 通用标题（含超大字母背景底图）
 *    背景字母使用 Lovelo 字体（fallback: Bebas Neue / Oswald）
 * ============================================================ */

/* 如果项目本地有 Lovelo 字体文件，把路径填到下面并取消注释，
   否则将自动使用 Bebas Neue（Google Fonts CDN）作为替代。
   @font-face {
     font-family: 'Lovelo';
     src: url('/Content/fonts/Lovelo-Light.woff2') format('woff2'),
          url('/Content/fonts/Lovelo-Light.woff') format('woff');
     font-weight: 300;
     font-style: normal;
     font-display: swap;
   }
   @font-face {
     font-family: 'Lovelo';
     src: url('/Content/fonts/Lovelo-Black.woff2') format('woff2'),
          url('/Content/fonts/Lovelo-Black.woff') format('woff');
     font-weight: 900;
     font-style: normal;
     font-display: swap;
   }
*/
.qs-title {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
  /* 给背景大字母预留空间 */
  padding: 20px 0 ;
}

/* 背景大字母：定位在容器中央，超大字号，描边样式 */
.qs-title-bg {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  /* 字体栈：优先 Lovelo，回退到 Bebas Neue / Oswald */
  font-family: 'Lovelo', 'Bebas Neue', 'Oswald', 'Impact', 'Arial Black', sans-serif;
  font-size: 120px;
  font-weight: 100;
  line-height: 1;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: transparent;
  /* 描边效果（参考图：浅灰色细描边） */
  -webkit-text-stroke: 1.5px rgba(0, 0, 0, 0.1);
  text-stroke: 1.5px rgba(0, 0, 0, 0.1);
  pointer-events: none;
  user-select: none;
  z-index: 0;
  /* 防止过大溢出 */
  max-width: 90%;
  overflow: hidden;
}

.qs-title h2 {
  position: relative;
  z-index: 2;
  font-size: 2.25rem; color: #1a1a1a; font-weight: 700;
  margin: 0 0 12px; letter-spacing: 2px; line-height: 1.2;
}
.qs-title h2 .qs-accent {
  /* 重点强调词：使用主色（与红色装饰线呼应） */
  color: var(--main, #c41230);
  font-weight: 800;
}
.qs-title h2 small {
  position: relative;
  z-index: 2;
  display: block; font-size: .875rem; color: #999;
  font-weight: 400; margin-top: 15px; letter-spacing: 6px;
  text-transform: uppercase;
}
.qs-title .qs-line {
  position: relative;
  z-index: 2;
  width: 64px; height: 3px; background: var(--main, #c41230);
  margin: 18px auto 0;
}
.qs-title .qs-line::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 9px; height: 9px; background: var(--main, #c41230);
  border-radius: 50%; transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px rgba(196, 18, 48, .12);
}

/* 移动端背景字母缩小（vw 视口缩放 + clamp 上下限，平滑响应各断点） */
@media (max-width: 992px) {
  .qs-title-bg { font-size: clamp(48px, 11vw, 120px); letter-spacing: 0.03em; }
  .qs-title h2 { font-size: 1.8rem; }
}
@media (max-width: 768px) {
  .qs-title-bg { font-size: clamp(42px, 10vw, 90px); }
}
@media (max-width: 560px) {
  .qs-title-bg { font-size: clamp(36px, 9.5vw, 60px); letter-spacing: 0.02em; }
  .qs-title h2 { font-size: 1.4rem; }
  .qs-title h2 small { font-size: .75rem; letter-spacing: 3px; }
}

/* 服务优势四列 */
.qs-features {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  margin: 0 auto 0px;
  padding: 30px 0;
}

.qs-feature {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.qs-feature-icon {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #f5f5f5;
  color: #666;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  transition: all .25s;
}

.qs-feature-icon i {
  font-style: normal !important;
}

.qs-feature-info {
  flex: 1;
  min-width: 0;
}

.qs-feature-info h4 {
  font-size: 1.25rem;
  color: #333;
  font-weight: bold;
  margin: 0 0 6px;
  line-height: 1.3;
  transition: color .25s;
}

.qs-feature-info p {
  font-size: 0.8125rem;
  color: #999;
  margin: 0;
  line-height: 1.5;
}

.qs-feature:hover .qs-feature-icon,
.qs-feature-active .qs-feature-icon {
  background: var(--main);
  color: #fff;
}

.qs-feature:hover .qs-feature-info h4,
.qs-feature-active .qs-feature-info h4 {
  color: var(--main);
}


/* 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);
}


/* ============================================================
 * 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-media::after {
  content: "";
  display: none !important;
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    rgba(0, 0, 0, .65) 0%,
    rgba(0, 0, 0, .35) 45%,
    rgba(0, 0, 0, .15) 100%);
  pointer-events: none;
}
.qs-banner .hero-content {
  position: absolute; z-index: 3;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  max-width: 800px; width: 100%; padding: 0 20px;
  color: #fff; text-align: center;
}
.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 .hero-content > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.qs-banner .hero-content > *:nth-child(1) { transition-delay: 0s; }
.qs-banner .hero-content > *:nth-child(2) { transition-delay: .12s; }
.qs-banner .hero-content > *:nth-child(3) { transition-delay: .24s; }
.qs-banner .hero-content > *:nth-child(4) { transition-delay: .36s; }
.qs-banner .hero-content.qs-in > * {
  opacity: 1; transform: translateY(0);
}
.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);
}
@media (max-width: 992px) {
  .qs-banner { height: 70vh; min-height: 480px; }
}

/* 2. 口碑产品 tab �?*/
.qs-product-tabs {
  text-align: center;
  margin-bottom: 30px;
}

.qs-product-tabs .qs-tab {
  display: inline-block;
  padding: 12px 32px;
  font-size: 1.125rem;
  color: #555;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .2s;
}

.qs-product-tabs .qs-tab.active {
  color: var(--main);
  border-bottom-color: var(--main);
  font-weight: bold;
}

.qs-product-tabs .qs-tab:hover {
  color: var(--main);
}

.qs-product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.qs-product-card {
  background: #fff;
  border: 1px solid #eee;
  transition: all .25s;
  overflow: hidden;
}

.qs-product-card:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, .12);
  transform: translateY(-3px);
}

.qs-product-card .qs-pic {
  display: block;
  width: 100%;
  height: 260px;
  overflow: hidden;
  background: #f5f5f5;
}

.qs-product-card .qs-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}

.qs-product-card:hover .qs-pic img {
  transform: scale(1.05);
}

.qs-product-card .qs-info {
  padding: 18px 16px;
  text-align: center;
}

.qs-product-card .qs-info h3 {
  font-size: 1rem;
  color: #333;
  margin: 0 0 8px;
  line-height: 1.4;
  min-height: 22px;
}

.qs-product-card .qs-info p {
  font-size: 0.8125rem;
  color: #999;
  margin: 0;
  min-height: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ============================================================
 * 3. 应用行业（通屏背景 + 左侧文字 + 下方名称列表，参考华为数字能源）
 * ============================================================ */
.qs-sec-industry {
  width: 100vw !important;
  max-width: 100%;
  padding: 0 !important;
  overflow: hidden;
}
.qs-industry-stage {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  background: #111;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.qs-industry-slides {
  position: relative;
  flex: 1 1 0;
  min-height: 0;
  width: 100%;
  overflow: hidden;
}
.qs-industry-slide {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  visibility: hidden;
  transition: opacity .8s ease;
  will-change: transform, opacity;
}
.qs-industry-slide.active {
  opacity: 1;
  visibility: visible;
}
.qs-industry-slide-mask {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, .75) 0%, rgba(0, 0, 0, .45) 45%, rgba(0, 0, 0, .15) 100%);
}
.qs-industry-slide-content {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 15px;
  z-index: 2;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  box-sizing: border-box;
}
.qs-industry-slide-content .qs-industry-slide-title,
.qs-industry-slide-content .qs-industry-slide-desc {
  width: 100%;
  max-width: 720px;
}
.qs-industry-slide-content .qs-industry-slide-desc {
  margin: 0 0 32px;
}
.qs-industry-slide-tag {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
  padding: 6px 16px;
  font-size: .85rem;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transform: translateZ(0);
}
.qs-industry-slide-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 18px;
  letter-spacing: 2px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, .45);
  animation: qs-fadein-up .6s ease;
}
.qs-industry-slide.active .qs-industry-slide-title { animation: qs-fadein-up .7s ease both; }
.qs-industry-slide.active .qs-industry-slide-desc  { animation: qs-fadein-up .8s ease .1s both; }
.qs-industry-slide.active .qs-industry-slide-btn   { animation: qs-fadein-up .9s ease .2s both; }
.qs-industry-slide.active .qs-industry-slide-tag   { animation: qs-fadein-up .6s ease both; }
.qs-industry-slide-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto 32px;
  opacity: .92;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .35);
}
.qs-industry-slide-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  font-size: .95rem;
  letter-spacing: 2px;
  background: var(--main);
  color: #fff;
  text-decoration: none;
  transition: transform .25s, box-shadow .25s, background .25s;
}
.qs-industry-slide-btn i { font-style: normal; font-size: 1.2rem; line-height: 1; }
.qs-industry-slide-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(230, 0, 18, .35);
  background: #c8000f;
}

/* 下方：栏目名称列表 */
.qs-industry-nav {
  position: relative;
  z-index: 3;
  width: 100%;
  background: rgba(0, 0, 0, .55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, .08);
  transform: translateZ(0);
}
.qs-industry-nav-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 1600px;
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
}
.qs-industry-nav-list li {
  position: relative;
  flex: 1 1 0;
  min-width: 140px;
  text-align: center;
  cursor: pointer;
  transition: background .25s;
  border-right: 1px solid rgba(255, 255, 255, .08);
}
.qs-industry-nav-list li:last-child { border-right: none; }
.qs-industry-nav-list li:hover {
  background: rgba(255, 255, 255, .06);
}
.qs-industry-nav-list li.active {
  background: var(--main);
}
.qs-industry-nav-list li.active::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -1px;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--main);
}
.qs-industry-nav-list li a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 18px 12px;
  color: rgba(255, 255, 255, .7);
  text-decoration: none;
  font-size: .95rem;
  letter-spacing: 1px;
  transition: color .25s;
}
.qs-industry-nav-list li.active a { color: #fff; }
.qs-industry-nav-list li:hover a { color: #fff; }
.qs-industry-nav-num {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1px;
  opacity: .55;
}
.qs-industry-nav-list li.active .qs-industry-nav-num { opacity: 1; }
.qs-industry-nav-name {
  font-size: 1rem;
  font-weight: 500;
}

/* ============================================================
 * 通用左右切换按钮（白底圆形，推荐产品 / 应用行业 / 案例现场 统一风格）
 * 尺寸变体：.qs-arrow--sm 40px，默认 50px
 * 主题变体：.qs-arrow--dark 深色场景
 * ============================================================ */
.qs-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid #ddd;
  background: #fff;
  color: #666;
  font-size: 1.5rem;
  line-height: 45px;
  text-decoration: none;
  display:block;
  text-align: center;
  cursor: pointer;
  z-index: 5;
  padding: 0 !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
  transition: background .25s, color .25s, border-color .25s, transform .25s, box-shadow .25s;
  user-select: none;
  font-family: inherit;
}
.qs-arrow:hover {
  background: var(--main, #c41230);
  border-color: var(--main, #c41230);
  color: #fff;
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 6px 18px rgba(230, 0, 18, .25);
  text-decoration: none !important;
}
.qs-arrow:focus { outline: none; }
.qs-arrow--prev { left: 30px; }
.qs-arrow--next { right: 30px; }
.qs-arrow--sm { width: 40px; height: 40px; font-size: 1.2rem; }
.qs-arrow--sm.qs-arrow--prev { left: 12px; }
.qs-arrow--sm.qs-arrow--next { right: 12px; }
/* 深色主题：在深色背景上的按钮 */
.qs-arrow--dark {
  background: rgba(0, 0, 0, .25);
  border-color: rgba(255, 255, 255, .3);
  color: #fff;
  box-shadow: none;
}
.qs-arrow--dark:hover {
  background: var(--main, #c41230);
  border-color: var(--main, #c41230);
  color: #fff;
  box-shadow: 0 6px 18px rgba(230, 0, 18, .25);
}
/* 旧类名兼容：保留推荐产品 / 应用行业 / 案例现场的旧类，与 .qs-arrow 同步 */
.qs-industry-arrow,
.qs-proshow-arrow,
.qs-case-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid #ddd;
  background: #fff;
  color: #666;
  font-size: 1.5rem;
  line-height: 45px;
  text-decoration: none;
  display:block;
  text-align: center;
  cursor: pointer;
  z-index: 5;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
  transition: background .25s, color .25s, border-color .25s, transform .25s, box-shadow .25s;
  user-select: none;
  font-family: inherit;
}
.qs-industry-arrow:hover,
.qs-proshow-arrow:hover,
.qs-case-nav:hover {
  background: var(--main, #c41230);
  border-color: var(--main, #c41230);
  color: #fff;
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 6px 18px rgba(230, 0, 18, .25);
}
.qs-industry-prev,
.qs-proshow-prev,
.qs-case-nav-prev { left: 30px; }
.qs-industry-next,
.qs-proshow-next,
.qs-case-nav-next { right: 30px; }

@keyframes qs-fadein-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 992px) {
  .qs-industry-stage { height: auto; min-height: 0; }
  .qs-industry-slides { height: 60vh; min-height: 360px; }
  .qs-industry-slide-content { padding: 0 6%; }
  .qs-industry-slide-title { font-size: 2rem; }
  .qs-industry-slide-desc { font-size: .95rem; }
  .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; }
  .qs-industry-arrow { display: none; }
  .qs-arrow.qs-industry-prev,
  .qs-arrow.qs-industry-next { display: none; }
}
@media (max-width: 560px) {
  .qs-industry-slide-title { font-size: 1.5rem; }
  .qs-industry-slide-tag { font-size: .75rem; padding: 4px 12px; margin-bottom: 14px; }
  .qs-industry-slide-desc { font-size: .85rem; line-height: 1.6; }
  .qs-industry-slide-btn { padding: 10px 22px; font-size: .85rem; }
  .qs-industry-nav-list li { flex: 1 1 50%; }
  .qs-industry-nav-list li a { padding: 14px 8px; font-size: .85rem; }
}

/* ============================================================
 * 右侧屏内导航指示器（仅电脑端一屏一屏滚动时显示）
 * ============================================================ */
.qs-snap-nav {
  position: fixed;
  right: 0px;
  bottom: 50%;
  transform: translateY(50%);
  z-index: 9999;
  list-style: none;
  margin: 0;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: rgba(255, 255, 255, .55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 0, 0, .06);
  box-shadow: 0 4px 18px rgba(0, 0, 0, .08);
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
}
@media (min-width: 992px) { .qs-snap-nav { display: flex; } }
.qs-snap-nav li {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .25);
  cursor: pointer;
  transition: background .25s, transform .25s;
}
.qs-snap-nav li:hover { background: rgba(0, 0, 0, .55); transform: scale(1.2); }
.qs-snap-nav li.active {
  background: var(--main);
  transform: scale(1.4);
}

/* 4. 先锋实力 */
.qs-strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.qs-strength-item .qs-num {
  font-size: 3.75rem;
  font-weight: bold;
  color: var(--main);
  line-height: 1;
}

.qs-strength-item .qs-num small {
  font-size: 1.5rem;
}

.qs-strength-item .qs-label {
  font-size: 1rem;
  color: #666;
  margin-top: 12px;
}


/* ============================================================
 * 4. 案例现场（通栏 Swiper coverflow 3D 叠加：中间突出 + 两侧 3D 倾斜）
 *    参考 Swiper coverflow 效果：https://swiperjs.com/demos#effect-coverflow
 * ============================================================ */
.qs-case-carousel {
  position: relative;
  width: 100%;
  padding: 40px 0 60px;
  overflow: hidden;
  /* 显式声明 perspective 兜底，防止某些场景下 Swiper 未自动应用 */
  perspective: 1200px;
  perspective-origin: center center;
}
/* 强制 3D 上下文 */
.qs-case-carousel .swiper-wrapper {
  transform-style: preserve-3d;
}

/* 单个卡片 - coverflow 自动管理 slide 宽度和 3D 变换 */
.qs-case-card.swiper-slide {
  height: 380px;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  /* box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15); */
  /* 让卡片自身也参与 3D 变换 */
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

.qs-case-card-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* 卡片图片容器 */
.qs-case-card-pic {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
  background: #f3f4f6;
}
/* 内嵌图片：占满容器，hover 时只放大图片 */
.qs-case-card-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .6s ease;
  display: block;
}
/* 卡片无图占位 */
.qs-case-card-nopic {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: .9rem;
  background: #f3f4f6;
}

/* 卡片 hover：图片放大 */
.qs-case-card:hover .qs-case-card-img {
  transform: scale(1.06);
}

/* ===== 中间（激活）卡：加强阴影 + 置顶 ===== */
.qs-case-card.swiper-slide-active {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  z-index: 10;
}
.qs-case-card.swiper-slide-active .qs-case-card-img {
  transform: none;
}

/* 卡片内容区 */
.qs-case-card-body {
  padding: 20px;
  text-align: center;
  background: #fff;
}

.qs-case-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #333;
  margin: 0 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.qs-case-card-desc {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.6;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qs-case-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--main, #c41230);
  text-decoration: none;
  font-weight: 500;
  transition: all .3s ease;
}

.qs-case-card-link span {
  transition: transform 0.3s ease;
}

.qs-case-card-link:hover span {
  transform: translateX(4px);
}

/* 通栏 5 张平铺：所有卡片样式一致，无激活态特殊处理 */

/* 切换按钮行：固定在 carousel 容器中部，不跟随卡片移动
   关键：z-index 必须高于 Swiper 3D 容器、slide 阴影及激活卡（z-index:10），
   才能保证按钮始终可点 */
.qs-case-nav-row {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 999;
}
/* 案例按钮单独再提一层，确保 hover / click 不被 Swiper 3D 阴影拦截 */
.qs-case-nav-row .qs-arrow {
  z-index: 1000;
  pointer-events: auto;
}

/* 分页器（圆点） */
.qs-case-pagination.swiper-pagination {
  position: relative;
  margin-top: 16px;
  text-align: center;
}
.qs-case-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: #ccc;
  opacity: 1;
  margin: 0 5px;
  transition: all .3s ease;
}
.qs-case-pagination .swiper-pagination-bullet-active {
  background: var(--main, #c41230);
  width: 26px;
  border-radius: 5px;
}

/* 查看更多按钮 */
.qs-case-more-wrap {
  text-align: center;
  margin-top: 40px;
}

.qs-case-more-btn {
  display: inline-block;
  padding: 12px 32px;
  border: 1px solid var(--main, #c41230);
  border-radius: 25px;
  color: var(--main, #c41230);
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.qs-case-more-btn:hover {
  background: var(--main, #c41230);
  color: #fff;
}

/* ============================================================
 * 案例现场 - 移动端适配（覆盖 992px / 768px / 480px / 360px 四档断点）
 * ============================================================ */

/* 平板：≤992px */
@media (max-width: 992px) {
  .qs-case-carousel {
    padding: 24px 0 50px;
  }
  /* 关闭 3D perspective，避免在中等屏幕上旋转角度过大导致视觉混乱 */
  .qs-case-carousel {
    perspective: none;
  }
  .qs-case-carousel .swiper-wrapper {
    transform-style: flat;
  }

  .qs-case-card.swiper-slide {
    height: 320px;
  }

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

  .qs-case-card-body {
    padding: 14px 16px;
  }
  .qs-case-card-title {
    font-size: 1rem;
  }
  .qs-case-card-link {
    font-size: .8rem;
  }

  .qs-case-nav-row {
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    gap: 0;
  }

  /* 左右导航按钮在移动端固定到容器两侧 */
  .qs-arrow.qs-case-nav-prev,
  .qs-arrow.qs-case-nav-next {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
  }
  .qs-arrow.qs-case-nav-prev { left: 8px; }
  .qs-arrow.qs-case-nav-next { right: 8px; }

  /* 分页器 */
  .qs-case-pagination.swiper-pagination {
    margin-top: 12px;
  }
  .qs-case-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
  }
  .qs-case-pagination .swiper-pagination-bullet-active {
    width: 22px;
  }

  .qs-case-more-btn {
    padding: 10px 24px;
    font-size: .9rem;
  }
}

/* 手机：≤768px */
@media (max-width: 768px) {
  .qs-case-carousel {
    padding: 16px 0 40px;
  }

  .qs-case-card.swiper-slide {
    height: 290px;
  }

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

  .qs-case-card-body {
    padding: 12px 14px;
  }
  .qs-case-card-title {
    font-size: .95rem;
    line-height: 1.4;
  }
  .qs-case-card-link {
    font-size: .75rem;
  }

  /* 移动端按钮再缩小 */
  .qs-arrow.qs-case-nav-prev,
  .qs-arrow.qs-case-nav-next {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }
}

/* 小屏手机：≤480px */
@media (max-width: 480px) {
  .qs-case-carousel {
    padding: 12px 0 32px;
  }

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

  .qs-case-card-pic {
    height: 160px;
  }

  .qs-case-card-body {
    padding: 10px 12px;
  }
  .qs-case-card-title {
    font-size: .85rem;
  }
  .qs-case-card-link {
    font-size: .7rem;
  }

  .qs-arrow.qs-case-nav-prev,
  .qs-arrow.qs-case-nav-next {
    width: 30px;
    height: 30px;
    font-size: .9rem;
  }
  .qs-arrow.qs-case-nav-prev { left: 4px; }
  .qs-arrow.qs-case-nav-next { right: 4px; }

  .qs-case-pagination .swiper-pagination-bullet {
    width: 6px;
    height: 6px;
    margin: 0 3px;
  }
  .qs-case-pagination .swiper-pagination-bullet-active {
    width: 18px;
  }
}

/* 极小屏：≤360px */
@media (max-width: 360px) {
  .qs-case-card.swiper-slide {
    height: 240px;
  }
  .qs-case-card-pic {
    height: 140px;
  }
  .qs-case-card-title {
    font-size: .8rem;
  }
}


/* ============================================================
 * 5. 服务承诺
 * ============================================================ */
.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-container { padding: 0 16px; }
  .qs-service-grid { grid-template-columns: 1fr; }
  .qs-section { padding: 60px 0; }
  .qs-title h2 { font-size: 1.6rem; }
  /* 移动端取消 100vh，让每节自然撑开，避免滚一屏才看到一点内容 */
  .qs-section { height: auto; min-height: auto; }
  /* hero 区域保持全屏 */
}

/* ============================================================
 * 通用动画
 * ============================================================ */
@keyframes qs-fadein {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 7. 全球客户 */
.qs-customer {
  text-align: center;
}

.qs-customer .qs-customer-num {
  font-size: 3.75rem;
  color: var(--main);
  font-weight: bold;
  line-height: 1;
}

.qs-customer .qs-customer-num small {
  font-size: 1.5rem;
}

.qs-customer p {
  font-size: 1rem;
  color: #666;
  margin: 14px 0 30px;
}

.qs-customer-logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  opacity: .7;
}

.qs-customer-logos img {
  width: 100%;
  height: 60px;
  object-fit: contain;
  filter: grayscale(100%);
}

/* 8. 联系信息�?*/
.qs-contact-bar {
  background: #1a1a1a;
  color: #ccc;
  padding: 40px 0;
}

.qs-contact-bar .qs-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
}

.qs-contact-bar h5 {
  color: #fff;
  font-size: 1rem;
  margin: 0 0 14px;
}

.qs-contact-bar p {
  color: #999;
  font-size: 0.8125rem;
  line-height: 1.9;
  margin: 0;
}

.qs-contact-bar a {
  color: #999;
  text-decoration: none;
}

.qs-contact-bar a:hover {
  color: #fff;
}

/* ============== 产品列表�?============== */
.qs-prolist-wrap {
  display: grid;
  grid-template-columns: 1fr 4fr;
  gap: 30px;
  margin-top: 30px;
}

.qs-prolist-side {
  background: #fff;
  margin-bottom: 30px;
}


.qs-prolist-side ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.qs-prolist-side ul li a {
  display: block;
  padding: 10px 12px;
  color: #555;
  border-bottom: 1px dashed #eee;
}

.qs-prolist-side ul li a:hover,
.qs-prolist-side ul li a.active {
  color: var(--main);
  background: #fef5f6;
}

/* 搜索结果�?*/
.qs-search-result-bar {
  font-size: 14px;
  color: #666;
  background: #fff;
  border-left: 3px solid var(--main);
  padding: 12px 16px;
  margin: 0 0 20px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
}

.qs-search-result-bar .qs-search-count {
  font-style: normal;
  color: var(--main);
  font-weight: bold;
  font-size: 18px;
  margin: 0 2px;
}

.qs-search-result-bar .qs-search-kw {
  font-style: normal;
  color: var(--main);
  font-weight: bold;
  margin: 0 2px;
}

.qs-prolist-main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.qs-prolist-card {
  background: #fff;
  border: 1px solid #eee;
  transition: all .2s;
}

.qs-prolist-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, .1);
  transform: translateY(-2px);
}

.qs-prolist-card .qs-pic {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f5f5f5;
}

.qs-prolist-card .qs-pic img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .4s;
}

.qs-prolist-card:hover .qs-pic img {
  transform: scale(1.05);
}

.qs-prolist-card .qs-info {
  padding: 1.1rem;
  text-align: center;
}

.qs-prolist-card .qs-info h4 {
  font-size: 1.1rem;
  color: #333;
  margin: 0 0 6px;
  min-height: 22px;
}

.qs-prolist-card .qs-info p {
  font-size: 1rem;
  color: #999;
  margin: 0;
  min-height: 18px;
}

.qs-pagebar {
  text-align: center;
  padding: 30px 0 10px;
}

.qs-pagebar a,
.qs-pagebar span {
  display: inline-block;
  min-width: 36px;
  height: 36px;
  line-height: 36px;
  padding: 0 12px;
  margin: 0 4px;
  border: 1px solid #ddd;
  background: #fff;
  color: #555;
  border-radius: 2px;
}

.qs-pagebar a:hover,
.qs-pagebar .active {
  background: var(--main);
  color: #fff;
  border-color: var(--main);
}

/* ============== 产品详情�?============== */
.qs-pd-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 30px 0;
}

.qs-pd-gallery {
  background: #fff;
  padding: 20px;
}

.qs-pd-gallery .qs-main-pic {
  width: 100%;
  height: 460px;
  overflow: hidden;
}

.qs-pd-gallery .qs-main-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qs-pd-gallery .qs-thumbs {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.qs-pd-gallery .qs-thumbs img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
}

.qs-pd-gallery .qs-thumbs img.active {
  border-color: var(--main);
}

.qs-pd-info h1 {
  font-size: 1.75rem;
  color: #222;
  margin: 0 0 14px;
}

.qs-pd-info .qs-brief {
  font-size: 0.875rem;
  color: #777;
  line-height: 1.8;
  margin: 0 0 24px;
  padding: 14px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.qs-pd-info .qs-meta {
  font-size: 0.875rem;
  color: #555;
  line-height: 2;
}

.qs-pd-info .qs-meta b {
  color: #222;
}

.qs-pd-info .qs-cta {
  margin-top: 24px;
}

.qs-pd-info .qs-cta a {
  display: inline-block;
  padding: 12px 36px;
  background: var(--main);
  color: #fff;
  font-size: 1rem;
  text-decoration: none;
  margin-right: 10px;
}

.qs-pd-info .qs-cta a.qs-cta-phone {
  background: #333;
}

.qs-pd-tabs {
  background: #fff;
  margin-top: 30px;
}

.qs-pd-tabs .qs-tabnav {
  border-bottom: 2px solid var(--main);
  padding: 0 10px;
}

.qs-pd-tabs .qs-tabnav a {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  color: #555;
  cursor: pointer;
  text-decoration: none;
}

.qs-pd-tabs .qs-tabnav a.active {
  background: var(--main);
  color: #fff;
}

.qs-pd-tabs .qs-tabpane {
  padding: 30px 24px;
  min-height: 200px;
}

.qs-pd-tabs .qs-tabpane h3 {
  font-size: 1.25rem;
  color: #222;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.qs-pd-tabs .qs-tabpane p {
  font-size: 0.875rem;
  color: #555;
  line-height: 1.9;
  margin: 0 0 14px;
}

.qs-pd-tabs .qs-tabpane img {
  max-width: 100%;
  height: auto;
}

.qs-pd-tabs .qs-tabpane .qs-specs-table {
  width: 100%;
  border-collapse: collapse;
}

.qs-pd-tabs .qs-tabpane .qs-specs-table th,
.qs-pd-tabs .qs-tabpane .qs-specs-table td {
  border: 1px solid #eee;
  padding: 10px 14px;
  font-size: 0.875rem;
}

.qs-pd-tabs .qs-tabpane .qs-specs-table th {
  background: #f7f7f7;
  width: 25%;
  color: #222;
}

.qs-pd-related {
  background: #fff;
  margin-top: 30px;
  padding: 30px 24px;
}

.qs-pd-related h3 {
  font-size: 1.25rem;
  color: #222;
  margin: 0 0 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.qs-pd-related .qs-rel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.qs-pd-related .qs-rel-card {
  background: #fff;
  border: 1px solid #eee;
  transition: all .2s;
}

.qs-pd-related .qs-rel-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, .08);
  transform: translateY(-2px);
}

.qs-pd-related .qs-rel-card .qs-pic {
  display: block;
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.qs-pd-related .qs-rel-card .qs-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qs-pd-related .qs-rel-card .qs-info {
  padding: 14px;
  text-align: center;
}

.qs-pd-related .qs-rel-card .qs-info h4 {
  font-size: 0.875rem;
  color: #333;
  margin: 0;
}

.qs-pd-prev-next {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding: 18px 20px;
  background: #fff;
  font-size: 0.875rem;
}

.qs-pd-prev-next a {
  color: #555;
  text-decoration: none;
}

.qs-pd-prev-next a:hover {
  color: var(--main);
}

/* ============== 文章详情�?============== */
.qs-article {
  background: #fff;
  padding: 40px 50px;
  margin-top: 30px;
}


.qs-article .qs-article-main{
  flex: 1;
}

.qs-article-main {
  
  gap: 40px;
}

.qs-article-aside {
  flex: 0 0 450px;
  max-width: 450px;
  padding-right: 30px;
  border-right: 1px solid #eee;
  position: sticky;
  top: 150px;
  align-self: flex-start;
}

/* 文章详情：顶部居中标题区 */
.qs-article-header {
  text-align: center;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid #eee;
}

.qs-article-header h1 {
  font-size: 1.8rem;
  color: #222;
  line-height: 1.5;
  margin: 0 0 16px;
  text-align: center;
  font-weight: bold;
}

.qs-article-header .qs-article-summary {
  text-align: left;
}

.qs-article-header .qs-meta-extra,
.qs-article-header .qs-keywords {
  justify-content: center;
}

/* 文章详情：内容 + 右侧栏布局 */
.qs-article-layout {
  display: flex;
  align-items: flex-start;
  gap: 30px;
}

.qs-article-sidebar {
  flex: 0 0 280px;
  max-width: 280px;
  align-self: flex-start;
  position: sticky;
  top: 150px;
}

.qs-article-sidebar .qs-article-related {
  margin-top: 0;
}

.qs-article-sidebar .qs-rel-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

/* 文章详情 - 右侧信息推荐列表 */
.qs-recommend {
  background: #fff;
  padding: 20px;
}

.qs-recommend-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0 0 12px 12px;
  border-bottom: 1px solid #eee;
  font-weight: bold;
  position: relative;
  line-height: 1.4;
}

.qs-recommend-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 12px;
  width: 4px;
  background: var(--main);
  border-radius: 2px;
}

.qs-recommend-title .qs-rec-zh {
  font-size: 1.15rem;
  color: #222;
}

.qs-recommend-title .qs-rec-en {
  font-size: 0.75rem;
  color: #999;
  font-weight: normal;
  letter-spacing: 1px;
}

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

.qs-rec-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed #eee;
}

.qs-rec-item:last-child {
  border-bottom: none;
}

.qs-rec-num {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  background: var(--main);
  color: #fff;
  font-size: 0.75rem;
  font-weight: bold;
  border-radius: 3px;
  margin-top: 2px;
}

.qs-rec-item:nth-child(n+4) .qs-rec-num {
  background: #ccc;
}

.qs-rec-info {
  flex: 1;
  min-width: 0;
}

.qs-rec-name {
  display: block;
  font-size: 0.9375rem;
  color: #333;
  line-height: 1.5;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .2s;
}

.qs-rec-name:hover {
  color: var(--main);
}

.qs-rec-desc {
  font-size: 0.8125rem;
  color: #999;
  line-height: 1.5;
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qs-rec-date {
  font-size: 0.75rem;
  color: #bbb;
  margin-top: 4px;
}



.qs-article-aside h1 {
  font-size: 1.8rem;
  color: #222;
  line-height: 1.5;
  margin: 0 0 24px;
  text-align: left;
  font-weight: bold;
}

.qs-meta-time {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.qs-meta-time .qs-time-day {
  font-size: 3rem;
  font-weight: bold;
  color: var(--main);
  line-height: 1;
  margin-bottom: 8px;
}

.qs-meta-time .qs-time-ym {
  font-size: 0.875rem;
  color: #999;
}

.qs-meta-extra {
  font-size: 0.8125rem;
  color: #999;
  line-height: 1.8;
}

.qs-meta-extra span {
  display: block;
  margin-bottom: 4px;
}

.qs-article-body {
  flex: 1;
  min-width: 0;
}

.qs-article-cover {
  margin-bottom: 20px;
}

.qs-article-cover img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}

.qs-article .qs-content {
  font-size: 1.1rem;
  line-height: 1.9;
  color: #444;
  min-height: 200px;
  flex: 1;
}

.qs-article .qs-content p {
  margin: 0 0 14px;
}

.qs-article .qs-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 14px auto;
}

.qs-article-related {
  background: #fff;
  padding: 24px 30px;
  margin-top: 20px;
}

.qs-article-related h3 {
  font-size: 1.25rem;
  color: #222;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.qs-article-related .qs-rel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.qs-article-related .qs-rel-card {
  background: #fff;
  border: 1px solid #eee;
  transition: all .2s;
}

.qs-article-related .qs-rel-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
  transform: translateY(-2px);
}

.qs-article-related .qs-rel-card .qs-pic {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.qs-article-related .qs-rel-card .qs-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qs-article-related .qs-rel-card .qs-info {
  padding: 12px;
  text-align: center;
  
}

.qs-article-related .qs-rel-card .qs-info h4 {
  font-size: 1.1rem;
  color: #333;
  margin: 0;
  line-height: 1.5;
}

.qs-article-related .qs-rel-card .qs-info .qs-rel-date {
  font-size: 0.75rem;
  color: #999;
  margin-top: 6px;
}

.qs-article-prev-next {
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
  padding: 16px 20px;
  background: #fff;
  font-size: 0.875rem;
}

.qs-article-prev-next a {
  color: #555;
  text-decoration: none;
}

.qs-article-prev-next a:hover {
  color: var(--main);
}

/* ============== 通用 ============== */
.qs-empty {
  padding: 50px 0;
  text-align: center;
  color: #999;
  font-size: 0.875rem;
}

.qs-breadcrumb {
  padding: 14px 0;
  font-size: 0.8125rem;
  color: #888;
}

.qs-breadcrumb a {
  color: #888;
  text-decoration: none;
  margin: 0 4px;
}

.qs-breadcrumb a:hover {
  color: var(--main);
}

/* ============== 顶部搜索按钮 + 弹窗 ============== */
.header-search {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  height: 100%;
}

.header-search-btn {
  border: none;
  width: 44px;
  height: 44px;
  cursor: pointer;
  color: #666;
  line-height: 1;
  border-radius: 50%;
  transition: all .25s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-search-btn:hover,
.header-search-btn:focus {
  outline: none;
  transform: translateY(-1px);
}

.header-search-btn:active {
  transform: translateY(0);
  
}

.header-search-btn .icon-search {
  font-size: 1.125rem;
}
.header-search-btn .icon-search::before {
  content: "\e649";
  font-family: "iconfont";
}
.qs-search-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.qs-search-modal.qs-open {
  display: flex;
  animation: qs-modal-in .25s ease both;
}

/* ============== 通用弹窗（提示/确认）============== */
.qs-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.qs-modal.qs-open {
  display: flex;
  animation: qs-modal-in .25s ease both;
}

.qs-modal-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, .5);
  z-index: 1;
}

.qs-modal-box {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: 10px;
  padding: 32px 28px 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
  text-align: center;
  box-sizing: border-box;
  animation: qs-dialog-in .35s cubic-bezier(.2, .8, .2, 1) both;
}

.qs-modal-ic {
  display: inline-block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  font-size: 1.75rem;
  border-radius: 50%;
  margin-bottom: 16px;
  background: #ffeaea;
  color: #e1251b;
}

.qs-modal-ic.success {
  background: #e8f7ee;
  color: #2bb673;
}

.qs-modal-ic.warn {
  background: #fff4e0;
  color: #ff9900;
}

.qs-modal-title {
  font-size: 1.125rem;
  color: #222;
  margin: 0 0 10px;
  font-weight: 600;
}

.qs-modal-msg {
  font-size: 0.9375rem;
  color: #666;
  line-height: 1.6;
  margin: 0 0 22px;
}

.qs-modal-btn {
  display: inline-block;
  min-width: 120px;
  height: 38px;
  line-height: 38px;
  padding: 0 24px;
  border: none;
  background: #e1251b;
  color: #fff;
  font-size: 0.9375rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s;
}

.qs-modal-btn:hover {
  background: #c41e15;
}

.qs-search-dialog {
  position: relative;
  margin: auto;
  width: 100%;
  max-width: 560px;
  background: #fff;
  border-radius: 12px;
  padding: 40px 36px 30px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
  animation: qs-dialog-in .35s cubic-bezier(.2, .8, .2, 1) both;
  box-sizing: border-box;
}

.qs-search-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  backdrop-filter: blur(2px);
}

.qs-search-close {
  position: absolute;
  right: 14px;
  top: 10px;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  font-size: 1.75rem;
  line-height: 1;
  color: #999;
  cursor: pointer;
  border-radius: 50%;
  transition: all .2s;
}

.qs-search-close:hover {
  color: var(--main);
  background: #f5f5f5;
}

.qs-search-title {
  margin: 0 0 24px;
  font-size: 1.25rem;
  color: #222;
  text-align: center;
}

.qs-search-title small {
  display: block;
  font-size: 0.8125rem;
  color: #999;
  font-weight: normal;
  margin-top: 6px;
  letter-spacing: 1px;
}

.qs-search-form {
  display: flex;
  gap: 10px;
}

.qs-search-form input[type="text"] {
  flex: 1;
  min-width: 0;
  height: 48px;
  padding: 0 18px;
  border: 2px solid #eee;
  border-radius: 24px;
  font-size: 1rem;
  color: #333;
  outline: none;
  transition: border-color .2s;
  box-sizing: border-box;
}

.qs-search-form input[type="text"]:focus {
  border-color: var(--main);
}

.qs-search-form button[type="submit"] {
  flex: 0 0 auto;
  height: 48px;
  padding: 0 28px;
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color: #fff;
  border: none;
  border-radius: 24px;
  font-size: 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .25s;
  box-shadow: 0 4px 14px var(--main-25);
}

.qs-search-form button[type="submit"]:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--main-40);
}

.qs-search-form button[type="submit"] .icon-search {
  font-size: 1rem;
}

.qs-search-tips {
  margin-top: 18px;
  text-align: center;
  font-size: 0.75rem;
  color: #bbb;
  letter-spacing: 1px;
}

@keyframes qs-modal-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes qs-dialog-in {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(.96);
  }

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

/* ============== 顶部一级菜单（简约大气） ============== */
#header {
  box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
}

.nav>li>a {
  font-size: 1rem;
  font-weight: 600;
  padding: 0 24px;
  letter-spacing: 1px;
  color: #2a2a2a;
  border-bottom: 3px solid transparent;
}

.nav>li>a span {
  letter-spacing: 1.5px;
  font-size: 1.125rem;
}

.nav>li.active>a,
.nav>li.active>a:hover,
.nav>li.active>a:focus {
  color: var(--main);
  background-color: transparent;
  font-weight: 700;
  border-bottom-color: var(--main);
}

.nav>li:hover>a {
  color: var(--main);
  background-color: transparent;
  border-bottom-color: var(--main);
}

.nav>li>a:hover,
.nav>li>a:focus {
  color: var(--main);
  text-decoration: none;
  background-color: transparent;
}

#header.scrolled .nav>li>a {
  font-size: 0.9375rem;
  padding: 0 18px;
}

/* ============== 二级菜单（简约大气） ============== */
.nav>li {
  position: relative;
  padding-bottom: 12px;
  margin-bottom: -12px;
  overflow: visible;
}

.nav>li .sec-nav {
  width: 220px;
  background: #fff;
  position: absolute;
  top: 90px;
  left: 50%;
  margin-left: -110px;
  border-top: 2px solid var(--main);
  border-radius: 0 0 4px 4px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .3s ease;
  z-index: 100;
  padding: 8px 0;
}

.nav>li:hover .sec-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#header.scrolled .nav>li .sec-nav {
  top: 60px;
}

.nav>li .sec-nav li {
  line-height: 1.4;
  font-size: 0.875rem;
  padding: 0;
  text-align: center;
  color: #555;
  border-bottom: none;
  position: relative;
}

.nav>li .sec-nav li+li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: #f0f0f0;
}

.nav>li .sec-nav li a {
  color: #444;
  display: block;
  margin: 0;
  padding: 14px 24px;
  background: #fff;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: .5px;
  transition: all .25s;
}

.nav>li .sec-nav li a:hover {
  background: #fff5f5;
  color: var(--main);
  padding-left: 30px;
  text-decoration: none;
}

/* ============== 底部 Footer（红 CTA + 深色 6 列导�?+ 联系信息 + 黑底版权�?============== */
.qs-footer {
  color: #b8bcc2;
  font-size: 0.875rem;
  line-height: 1.7;
}

.qs-ft-band {
  width: 100%;
}

/* —�?�?1 段：红色 CTA 横幅（图片化背景：放射红 + 暗红叠加�?—�?*/
.qs-ft-band-top {
  position: relative;
  background:
    radial-gradient(circle at 18% 30%, rgba(255, 255, 255, .08) 0, rgba(255, 255, 255, 0) 38%),
    radial-gradient(circle at 85% 70%, rgba(0, 0, 0, .18) 0, rgba(0, 0, 0, 0) 45%),
    linear-gradient(105deg, #ff5240 0%, #e60012 50%, #c50010 100%);
  color: #fff;
  overflow: hidden;
}

/* 装饰图案：右上角"光线" */
.qs-ft-band-top::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 60%;
  height: 220%;
  background:
    repeating-linear-gradient(115deg,
      rgba(255, 255, 255, .05) 0,
      rgba(255, 255, 255, .05) 1px,
      transparent 1px,
      transparent 22px);
  pointer-events: none;
}

/* 装饰圆点：左�?*/
.qs-ft-band-top::after {
  content: "";
  position: absolute;
  left: -40px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(255, 255, 255, .12) 0, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.qs-ft-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 50px 0;
  flex-wrap: wrap;
}

.qs-ft-cta {
  display: flex;
  align-items: center;
  gap: 22px;
  flex: 1 1 auto;
  min-width: 280px;
}

.qs-ft-cta-icon {
  flex: 0 0 auto;
  width: 80px;
  font-size: 2rem;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  border: 2px solid rgba(255, 255, 255, .35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.qs-ft-cta-text h4 {
  margin: 0;
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
}

.qs-ft-cta-text p {
  margin: 6px 0 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, .88);
  letter-spacing: .5px;
}

.qs-ft-cta-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 50px;
  padding: 0 36px;
  background: #fff;
  color: #e60012;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 30px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .15);
  transition: transform .25s, box-shadow .25s;
  letter-spacing: 1px;
}

.qs-ft-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .22);
  color: #c50010;
}

.qs-ft-cta-arrow {
  font-size: 1.4rem;
  line-height: 1;
  font-weight: 400;
  transform: translateY(-1px);
}

/* —�?�?2 段：深色 6 列导航（图片化深色背景） —�?*/
.qs-ft-band-mid {
  position: relative;
  background:
    linear-gradient(180deg, #2a2d33 0%, #23262b 100%);
  color: #b8bcc2;
}

.qs-ft-band-mid::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .08), transparent);
}

.qs-ft-mid {
  position: relative;
  padding: 56px 0 40px;
}

.qs-ft-nav-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 30px;
}

.qs-ft-nav-col h6 {
  position: relative;
  margin: 0 0 18px;
  padding-bottom: 10px;
  font-size: 1.1rem;
  color: #fff;
  font-weight: 600;
  letter-spacing: 1px;
}

.qs-ft-nav-col h6::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 22px;
  height: 2px;
  background: var(--main);
  border-radius: 2px;
}

.qs-ft-nav-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.qs-ft-nav-col li {
  margin-bottom: 8px;
}

.qs-ft-nav-col li a {
  color: #b8bcc2;
  font-size: 1rem;
  text-decoration: none;
  transition: color .2s, padding-left .2s;
  display: inline-block;
}

.qs-ft-nav-col li a:hover {
  color: #fff;
  padding-left: 4px;
}

/* —�?�?3 段：联系信息 + 服务热线 + 二维码（图片化深色区�?—�?*/
.qs-ft-band-info {
  position: relative;
  background:
    linear-gradient(180deg, #23262b 0%, #1d2025 100%);
  color: #b8bcc2;
  border-top: 1px solid rgba(255, 255, 255, .04);
}

.qs-ft-info {
  position: relative;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 50px 0;
  flex-wrap: wrap;
}

.qs-ft-info-col {
  flex: 1 1 0;
  min-width: 0;
}

.qs-ft-info-addr {
  flex: 1 1 280px;
}

.qs-ft-info-line {
  margin: 0 0 22px;
  font-size: 0.9375rem;
  color: #cfd2d6;
  line-height: 1.7;
  word-break: break-all;
}

.qs-ft-info-line:last-child {
  margin-bottom: 0;
}

.qs-ft-info-line a {
  color: #cfd2d6;
  text-decoration: none;
  word-break: break-all;
}

.qs-ft-info-line a:hover {
  color: var(--main);
}

/* 中间：服务热线大�?*/
.qs-ft-info-tel {
  text-align: center;
  flex: 1 1 280px;
}

.qs-ft-info-tel-label {
  margin: 0 0 6px;
  font-size: 0.875rem;
  color: #888;
  letter-spacing: 4px;
}

.qs-ft-info-tel-num {
  display: inline-block;
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: 1px;
  background: linear-gradient(180deg, #ffffff 0%, #cfd2d6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: opacity .25s;
}

.qs-ft-info-tel-num:hover {
  opacity: .85;
}

/* 右侧：二维码 */
.qs-ft-info-qr {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex: 1 1 380px;
  justify-content: flex-end;
}

.qs-ft-info-qr-card {
  flex: 0 0 auto;
  padding: 4px;
  border-radius: 4px;
  text-align: center;
}

.qs-ft-info-qr-card img {
  display: block;
  width: 120px;
  height: 120px;
  object-fit: cover;
}

.qs-ft-info-qr-card p {

  padding: 10px 0;
  font-size: 0.9rem;
  color: #fff;
  letter-spacing: 1px;
  line-height: 1.6;
  word-break: keep-all;
}

/* —�?�?4 段：版权/备案（最深色�?—�?*/
.qs-ft-band-bot {
  background: #15171a;
  color: #888;
}

.qs-ft-bot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px ;
  font-size: 0.8125rem;
}
.qs-ft-bot div{
 flex: 1 1 auto;
}
.qs-ft-bot-left a {
  color: #cfd2d6;
  text-decoration: none;
  margin: 0 4px;
  transition: color .2s;
}

.qs-ft-bot-left a:hover {
  color: var(--main);
}

.qs-ft-bot-right{text-align: right;}

.qs-ft-bot-right a {
  color: #888;
  text-decoration: none;
}

.qs-ft-bot-right a:hover {
  color: var(--main);
}

/* ============== 联系我们页（图片化排版） ============== */
.qs-contact {
  background: #fff;
  color: #333;
  font-size: 0.9375rem;
}


.qs-contact-row {
  display: flex;
  align-items: stretch;
  gap: 60px;
  flex-wrap: wrap;
}

/* —�?第一屏：信息 + 公司图片 —�?*/
.qs-contact-info {
  padding: 60px 0 70px;
  background: #fff;
}

.qs-contact-info-l {
  flex: 1 1 420px;
  min-width: 0;
  padding-top: 10px;
}

.qs-contact-name {
  margin: 0 0 14px;
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f1f23;
  letter-spacing: 1px;
}

.qs-contact-addr {
  margin: 0 0 18px;
  font-size: 0.9375rem;
  color: #555;
  line-height: 1.7;
}

/* 找到我们：地图入�?*/
.qs-contact-map {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 18px;
}

.qs-contact-map-ic {
  color: #e60012;
  display: inline-flex;
  font-size: 2rem;
}

.qs-contact-map-text em {
  display: block;
  font-style: normal;
  color: #e60012;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.qs-contact-map-text small {
  display: block;
  font-size: 0.75rem;
  color: #999;
  margin-top: 2px;
}

.qs-contact-map:hover .qs-contact-map-text em {
  color: #c50010;
}

/* 分隔�?*/
.qs-contact-divider {
  border: none;
  border-top: 1px solid #eee;
  margin: 18px 0 22px;
}

/* 双列电话 */
.qs-contact-tel-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 26px;
}

.qs-contact-tel-cap {
  margin: 0 0 6px;
  font-size: 0.8125rem;
  color: #888;
  letter-spacing: 1px;
}

.qs-contact-tel-num {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f1f23;
  text-decoration: none;
  letter-spacing: 1px;
  transition: color .2s;
}

.qs-contact-tel-num:hover {
  color: var(--main);
}

/* 邮箱 */
.qs-contact-mail-cap {
  margin: 0 0 6px;
  font-size: 0.8125rem;
  color: #888;
  letter-spacing: 1px;
}

.qs-contact-mail {
  display: inline-block;
  font-size: 0.9375rem;
  color: #1f1f23;
  text-decoration: underline;
  text-underline-offset: 4px;
  word-break: break-all;
  transition: color .2s;
}

.qs-contact-mail:hover {
  color: var(--main);
}

/* 右侧：公司图�?*/
.qs-contact-info-r {
  flex: 1 1 420px;
  min-width: 0;
  border-radius: 6px;
  overflow: hidden;
  background: #f0f1f3;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .06);
}

.qs-contact-info-r img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
}

/* —�?第二屏：CTA + 表单 —�?*/
.qs-contact-form {
  background: #f7f8fa;
  padding: 60px 0 80px;
}

.qs-contact-cta {
  flex: 0 0 320px;
  padding-top: 8px;
}

.qs-contact-cta-ic {
  display: inline-flex;
  color: var(--main);
  margin-bottom: 14px;
  font-size: 2.5rem;
}

.qs-contact-cta-title {
  margin: 0 0 10px;
  font-size: 1.75rem;
  font-weight: 700;
  color: #e60012;
  letter-spacing: 2px;
}

.qs-contact-cta-sub {
  margin: 0 0 22px;
  font-size: 0.875rem;
  color: #888;
  line-height: 1.7;
  letter-spacing: 1px;
}

.qs-contact-online {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 20px;
  background: #fff;
  color: #1f1f23;
  border: 1px solid #e0e2e6;
  border-radius: 22px;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all .25s;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .04);
}

.qs-contact-online-ic {
  color: var(--main);
  display: inline-flex;
}

.qs-contact-online:hover {
  border-color: var(--main);
  color: var(--main);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
}

/* 表单 */
.qs-contact-form-r {
  flex: 1 1 480px;
  min-width: 0;
}

.qs-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.qs-contact-field-full {
  grid-column: 1 / -1;
}

.qs-contact-field input,
.qs-contact-field textarea {
  width: 100%;
  border: none;
  background: #fff;
  border-radius: 4px;
  padding: 14px 16px;
  font-size: 0.875rem;
  color: #333;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
  outline: none;
  transition: box-shadow .2s, border-color .2s;
  box-sizing: border-box;
  font-family: inherit;
}

.qs-contact-field input::placeholder,
.qs-contact-field textarea::placeholder {
  color: #b0b3b8;
}

.qs-contact-field input:focus,
.qs-contact-field textarea:focus {
  box-shadow: 0 0 0 2px var(--main-15);
  border-color: var(--main);
}

.qs-contact-field textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.qs-contact-submit-wrap {
  margin-top: 22px;
  text-align: left;
}

.qs-contact-submit {
  height: 42px;
  padding: 0 60px;
  background: var(--main);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 4px;
  cursor: pointer;
  transition: background .2s, transform .2s;
}

.qs-contact-submit:hover {
  background: var(--main-dark);
  transform: translateY(-1px);
}

/* ============== 首页：header 悬浮于全�?slider 之上 ============== */
body.page-home {
  padding-top: 0 !important;
}

body.page-home #header {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: none;
  transition: background .3s, box-shadow .3s;
}

/* 向下滚动后恢复背景，避免内容穿过 header 难以阅读 */
body.page-home #header.scrolled {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 0px 15px rgba(0, 0, 0, .1);
}

/* ============== 产品详情页增强（应用领域 + 相关案例�?============== */
.qs-pd-cat {
  display: inline-block;
  padding: 4px 14px;
  background: var(--main);
  color: #fff;
  font-size: 0.8125rem;
  margin-bottom: 10px;
}

.qs-pd-subtit {
  font-size: 0.9375rem;
  color: #666;
  margin: -8px 0 14px;
}

.qs-pd-appmat {
  font-size: 0.875rem;
  color: #555;
  line-height: 1.8;
  margin: 0 0 16px;
  padding: 10px 14px;
  background: #f7f8fa;
  border-left: 3px solid var(--main);
}

.qs-pd-appmat b {
  color: #222;
}

/* ============== 产品详情�?通栏区块 ============== */
.qs-pd-section {
  width: 100%;
  padding:100px 0;
}

.qs-container {
  width: 1600px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

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

.qs-bg-light {
  background: #f5f6f8;
}

.qs-bg-dark {
  background: #1a1f2b;
  color: #cfd3dc;
}


.qs-bg-ys {
  background: #1a1f2b;
  color: #cfd3dc;
  background-image: url(pbg2.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  background-attachment: fixed;
}


.qs-bg-blue {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
  color: #fff;
}

.qs-bg-cases {
  background: #2a3142;
  color: #cfd3dc;
}

.qs-sec-head {
  text-align: center;
  margin-bottom: 36px;
}

.qs-sec-head h2 {
  font-size: 2.125rem;
  color: #222;
  margin: 0 0 10px;
  font-weight: 700;
  letter-spacing: 1px;
}

.qs-sec-head .qs-sec-en {
  font-size: 0.9375rem;
  color: #999;
  letter-spacing: 3px;
}

.qs-sec-head-light h2 {
  color: #fff;
}

.qs-sec-head-light .qs-sec-en {
  color: rgba(255, 255, 255, .6);
}

/* 顶部 Banner - 通栏背景图，主体内容 1600px 居中 */
.qs-pd-banner {
  position: relative;
  margin-top: 80px;
  width: 100%;
  min-height: 520px;
  background-size: cover;
  background-position: center;
  background-color: #1a1f2b;
  background-repeat: no-repeat;
  overflow: hidden;
  background-image: url('pbg.jpg');
}

.qs-pd-banner-mask {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0, 0, 0, .7) 0%, rgba(0, 0, 0, .45) 40%, rgba(0, 0, 0, .15) 80%, rgba(0, 0, 0, 0) 100%);
}

.qs-pd-banner-inner {
  position: relative;
  z-index: 2;
  width: 1600px;
  max-width: 100%;
  margin: 0 auto;
  padding: 80px 20px;
  color: #fff;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.qs-pd-banner-left {
  width: 100%;
}

.qs-pd-banner-left img {
  display: block;
  width: 100%;
  max-height: 460px;
  object-fit: contain;
}

.qs-pd-banner-right {
  color: #fff;
}

.qs-pd-banner-cat {
  display: inline-block;
  padding: 6px 18px;
  background: var(--main);
  color: #fff;
  font-size: 0.8125rem;
  margin-bottom: 18px;
}

.qs-pd-banner-inner h1 {
  font-size: 2.875rem;
  color: #fff;
  margin: 0 0 16px;
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .5);
}

/* 优势列表 */
.qs-proshow-advantages {
  margin: 16px 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-color: #fefdec;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid #f5a623;
}
.qs-proshow-adv-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 1rem;
  color: #444;
  line-height: 1.5;
}

.diy-tips{
  font-size: 1.3rem;
  color: var(--main);
  line-height: 1.85;
}

.qs-pd-banner .qs-proshow-advantages{
  background-color:transparent !important;
  padding: 0px;
  border-radius: 4px;
  border: none;
}
.qs-pd-banner .qs-proshow-adv-item{
  color: #fff;

}

.qs-proshow-adv-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  background: var(--main);
  color: #fff;
  font-size: 0.75rem;
  border-radius: 50%;
  margin-top: 2px;
}
.qs-proshow-adv-text {
  flex: 1;
}


.qs-pd-banner-sub {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 32px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, .4);
}

.qs-pd-banner-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.qs-cta-yellow {
  display: inline-block;
  padding: 12px 32px;
  background: #f5a623;
  color: #fff;
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: 2px;
  transition: all .25s;
}

.qs-cta-yellow:hover {
  background: #e09512;
  color: #fff;
  text-decoration: none;
}

.qs-cta-white {
  display: inline-block;
  padding: 12px 32px;
  background: rgba(255, 255, 255, .15);
  color: #fff;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 1px solid #fff;
  border-radius: 2px;
  transition: all .25s;
}

.qs-cta-white:hover {
  background: #fff;
  color: #222;
  text-decoration: none;
}

/* 产品介绍 */
.qs-pd-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

/* 无媒体时：简介文本撑满整�?*/
.qs-pd-intro.qs-pd-intro-full {
  display: block;
}

.qs-pd-intro-media {
  width: 100%;
}

.qs-pd-intro-media video {
  display: block;
  width: 100%;
  max-height: 420px;
  background: #000;
  border-radius: 4px;
}

.qs-pd-intro-media img {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 4px;
}

.qs-pd-intro-txt {
  font-size: 1.125rem;
  color: #2a2a2a;
  line-height: 1.95;
}

.qs-pd-intro-txt p {
  margin: 0 0 14px;
  font-size: 1.125rem;
}

/* 产品图库网格 */
.qs-pd-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.qs-pd-gallery-cell {
  overflow: hidden;
}

.qs-pd-gallery-cell img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  display: block;
  transition: transform .4s;
}

.qs-pd-gallery-cell:hover img {
  transform: scale(1.05);
}

/* 特点及优势（5项编号） */
.qs-feat-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px 40px;
}

.qs-feat-item {
  display: flex;
  align-items: center;
  gap: 25px;
}

.qs-feat-num {
  flex: 0 0 70px;
  height: 70px;
  line-height: 70px;
  text-align: center;
  background: rgba(228, 8, 8, 0.885);
  color: #fff;
  font-size: 2rem;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, .25);
}

.qs-feat-info h3 {
  font-size: 2rem;
  color: #fff;
  margin: 0 0 8px;
}

.qs-feat-info p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, .78);
  line-height: 1.7;
  margin: 0;
}

/* 移动端适配：特点优势 */
@media (max-width: 768px) {
  .qs-feat-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .qs-feat-item {
    gap: 15px;
  }

  .qs-feat-num {
    flex: 0 0 50px;
    height: 50px;
    line-height: 50px;
    font-size: 1.4rem;
    border-radius: 8px;
  }

  .qs-feat-info h3 {
    font-size: 1.3rem;
  }

  .qs-feat-info p {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  /* 产品详情页 Banner 优势列表移动端适配 */
  .qs-proshow-advantages {
    margin: 12px 0;
    gap: 6px;
  }

  .qs-proshow-adv-item {
    font-size: 0.88rem;
    gap: 8px;
  }

  .qs-proshow-adv-icon {
    width: 18px;
    height: 18px;
    line-height: 18px;
    font-size: 0.7rem;
  }
}

/* 工作原理 */
.qs-pd-principle {
  font-size: 1.125rem;
  color: #2a2a2a;
  line-height: 1.95;
  margin: 0 auto;
}

.qs-pd-principle img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 18px auto;
}

.qs-pd-principle p {
  margin: 0 0 14px;
  font-size: 1.125rem;
}

/* ===== 可点击放大：缩略�?hover 放大镜遮�?===== */
.qs-pd-zoomable {
  position: relative;
  display: block;
  overflow: hidden;
  cursor: zoom-in;
}

.qs-pd-zoom-mask {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  transition: background .25s;
  pointer-events: none;
}

.qs-pd-zoom-mask .qs-pd-zoom-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  font-style: normal;
  transform: scale(.6);
  opacity: 0;
  transition: transform .25s, opacity .25s;
}

.qs-pd-zoomable:hover .qs-pd-zoom-mask {
  background: rgba(0, 0, 0, .35);
}

.qs-pd-zoomable:hover .qs-pd-zoom-mask .qs-pd-zoom-icon {
  transform: scale(1);
  opacity: 1;
}

/* ===== Lightbox 弹窗 ===== */
.qs-pd-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

.qs-pd-lightbox.is-open {
  display: flex;
}

.qs-pd-lightbox-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .88);
  cursor: zoom-out;
}

.qs-pd-lightbox-stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 60px 80px;
  box-sizing: border-box;
  cursor: zoom-out;
}

.qs-pd-lightbox-img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  background: #000;
  cursor: default;
  box-shadow: 0 12px 50px rgba(0, 0, 0, .6);
  user-select: none;
  -webkit-user-drag: none;
}

.qs-pd-lightbox-caption {
  margin-top: 14px;
  color: rgba(255, 255, 255, .85);
  font-size: 0.875rem;
  display: flex;
  gap: 16px;
  align-items: center;
}

.qs-pd-lightbox-counter {
  color: rgba(255, 255, 255, .55);
}

.qs-pd-lightbox-close,
.qs-pd-lightbox-prev,
.qs-pd-lightbox-next {
  position: absolute;
  z-index: 2;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  cursor: pointer;
  transition: background .2s, transform .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
}

.qs-pd-lightbox-close:hover,
.qs-pd-lightbox-prev:hover,
.qs-pd-lightbox-next:hover {
  background: rgba(255, 255, 255, .25);
}

.qs-pd-lightbox-close {
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 1.625rem;
  line-height: 1;
}

.qs-pd-lightbox-prev,
.qs-pd-lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 64px;
  font-size: 1.375rem;
  border-radius: 4px;
}

.qs-pd-lightbox-prev {
  left: 18px;
}

.qs-pd-lightbox-next {
  right: 18px;
}

.qs-pd-lightbox-prev:hover,
.qs-pd-lightbox-next:hover {
  transform: translateY(-50%) scale(1.05);
}

/* 技术参�?*/
.qs-pd-specs {
  padding: 30px 0px; 
  font-size: 1.125rem;
}

.qs-pd-specs table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}

.qs-pd-specs table th,
.qs-pd-specs table td {
  padding: 16px 22px;
  border: 1px solid #eee;
  font-size: 1.0625rem;
}

.qs-pd-specs table th {
  background: #f7f8fa;
  color: #222;
  text-align: left;
  width: 200px;
  font-weight: 600;
}

.qs-pd-specs table td {
  color: #444;
}

.qs-pd-specs > p {
  font-size: 1.0625rem;
  color: #444;
  line-height: 1.9;
}

/* 应用领域（白�?缩略图网格） */
.qs-pd-apps-txt {
  font-size: 1.125rem;
  line-height: 1.95;
  color: #333;
  margin-bottom: 30px;
  white-space: pre-line;
}

.qs-pd-apps-txt p {
  margin: 0 0 14px;
  font-size: 1.125rem;
  color: #555;
}

.qs-pd-apps-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  margin-bottom: 26px;
}

.qs-pd-apps-cell {
  position: relative;
  display: block;
  overflow: hidden;
}

.qs-pd-apps-cell img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  transition: transform .4s;
}

.qs-pd-apps-cell:hover img {
  transform: scale(1.08);
}

.qs-pd-apps-cell span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 6px 4px;
  background: linear-gradient(transparent, rgba(0, 0, 0, .7));
  color: #fff;
  font-size: 0.8rem;
  text-align: center;
}

.qs-pd-apps-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 24px;
  background: #f7f7f7;
  border: 1px solid #eee;
}

.qs-pd-apps-cta span {
  font-size: 0.9375rem;
  color: #333;
  font-weight: 600;
}

/* 相关案例（深�?大图卡片 Owl Carousel 轮播，导航与分页样式�?owl.theme.css 提供�?*/
.qs-pd-cases {
  position: relative;
  padding: 6px 0 16px;
}

.qs-cases-carousel .qs-cases-card {
  display: block;
  background: #1a1f2b;
  border-radius: 4px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .25s, box-shadow .25s;
  height: 100%;
  margin: 0 8px;
}

.qs-cases-carousel .qs-cases-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
  color: inherit;
  text-decoration: none;
}

.qs-cases-pic {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.qs-cases-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}

.qs-cases-carousel .qs-cases-card:hover .qs-cases-pic img {
  transform: scale(1.05);
}

.qs-cases-info {
  padding: 18px 20px 20px;
}

.qs-cases-info h3 {
  font-size: 1rem;
  color: #fff;
  margin: 0 0 8px;
  line-height: 1.4;
}

.qs-cases-info p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, .65);
  line-height: 1.6;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qs-cases-more {
  display: inline-block;
  font-size: 0.8125rem;
  color: #ffb800;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .2s;
}

.qs-cases-more i {
  font-style: normal;
  margin-left: 2px;
}

.qs-cases-carousel .qs-cases-card:hover .qs-cases-more {
  border-bottom-color: #ffb800;
}

/* 适配深色背景�?owl 分页圆点（基�?owl.theme.css �?.owl-page 默认颜色 #869791�?*/
.qs-cases-carousel .owl-theme .owl-controls .owl-page span {
  background: rgba(255, 255, 255, .5);
  opacity: 1;
}

.qs-cases-carousel .owl-theme .owl-controls .owl-page.active span {
  background: #ffb800;
  opacity: 1;
}

/* 详细说明 */
.qs-pd-detail {
  font-size: 1.125rem;
  color: #2a2a2a;
  line-height: 1.95;
  max-width: 1080px;
  margin: 0 auto;
}

.qs-pd-detail p {
  margin: 0 0 14px;
  font-size: 1.125rem;
}

.qs-pd-detail img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 18px auto;
}

/* 相关文章 / 相关产品 网格 */
.qs-rel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.qs-rel-card {
  display: block;
  background: #fff;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all .25s;
}

.qs-rel-card:hover {
  box-shadow: 0 4px 18px rgba(0, 0, 0, .1);
  transform: translateY(-2px);
  color: inherit;
  text-decoration: none;
}

.qs-rel-pic {
  width: 100%;
  overflow: hidden;
}

.qs-rel-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}

.qs-rel-card:hover .qs-rel-pic img {
  transform: scale(1.05);
}

.qs-rel-info {
  padding: 14px 16px;
}

.qs-rel-info h4 {
  font-size: 0.9375rem;
  color: #333;
  margin: 0;
  line-height: 1.5;
}

/* 上一�?下一�?*/
.qs-pd-prevnext-sec {
  padding: 30px 0;
}

.qs-pd-prev-next {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.875rem;
}

.qs-pd-prev-next a {
  color: #444;
  text-decoration: none;
}

.qs-pd-prev-next a:hover {
  color: var(--main);
}

/* 粘性导航行（面包屑 + 横版锚点），位于顶部 header 之下 */
.qs-pd-sticky-bar {
  position: sticky;
  top: 59px;
  z-index: 99;
  background: #fff;
  border-bottom: 1px solid #eee;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
  transition: top .3s;
}

.qs-pd-sticky-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 64px;
  padding: 4px 0;
}

.qs-breadcrumb {
  padding: 0;
  font-size: 0.875rem;
  color: #666;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.qs-breadcrumb a {
  color: #666;
  text-decoration: none;
}

.qs-breadcrumb a:hover {
  color: var(--main);
}

.qs-pd-anchor {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.qs-pd-anchor a {
  position: relative;
  display: block;
  padding: 10px 15px;
  color: #444;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s;
  line-height: 1.4;
  border-radius: 10px;
  transition: all .2s;
}



.qs-pd-anchor a:hover {
  color: var(--main);
  font-weight: bold;
}

.qs-pd-anchor a.active {
  color:#ffffff;
  font-weight: 700;
  background-color: var(--main);
 
}

.qs-pd-anchor a.active::after {
  background: var(--main);
}

/* 锚点跳转偏移（避开 header 90 + sticky 64 = 154�?*/
.qs-pd-anchor-target {
  scroll-margin-top: 160px;
}

/* ============== 通栏 mega 菜单样式已迁移到 qs_xf.css（顶部导航二级下拉） ============== */

/* 默认在桌面端隐藏按钮 */
.qs-mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  margin-left: 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 6px;
  transition: background .2s;
}

.qs-mobile-menu-btn:hover,
.qs-mobile-menu-btn:focus {
  outline: none;
  
}

.qs-mobile-menu-btn .qs-mm-line {
  display: block;
  width: 22px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease, width .25s ease;
  transform-origin: center;
}

.qs-mobile-menu-btn.qs-mm-open .qs-mm-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.qs-mobile-menu-btn.qs-mm-open .qs-mm-line:nth-child(2) {
  opacity: 0;
  width: 0;
}

.qs-mobile-menu-btn.qs-mm-open .qs-mm-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 案例列表 / 通用卡片网格 */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.case-item {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: all 0.4s ease;
}

.case-item:hover {
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.15);
  transform: translateY(-6px);
}

.case-item > a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.case-img {
  position: relative;
  display: block;
  overflow: hidden;
}

.case-img img {
  width: 100%;
  display: block;
  transition: transform 0.6s ease;
}

.case-item:hover .case-img img {
  transform: scale(1.1);
}

.case-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.case-item:hover .case-img::after {
  opacity: 1;
}

.case-info {
  padding: 18px 20px 22px;
}

.case-info .tt2 {
  font-size: 18px;
  line-height: 1.4;
  color: #333;
  margin-bottom: 10px;
  transition: color 0.3s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-item:hover .case-info .tt2 {
  color:#000;
}

.case-info .desc {
  font-size: 14px;
  line-height: 22px;
  color: #666;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 44px;
}

/* 产品中心：子栏目 + 子产品列�?*/
.qs-sub-block {
  margin-bottom: 50px;
}

.qs-sub-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #eee;
  padding: 8px 0 14px;
  margin-bottom: 24px;
}

.qs-sub-title {
  margin: 0;
  font-size: 20px;
  font-weight: bold;
  color: #333;
}

.qs-sub-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s;
}

.qs-sub-title a:hover {
  color: #055d8c;
  text-decoration: none;
}

.qs-sub-arrow {
  color: #055d8c;
  margin-right: 8px;
  font-weight: bold;
}

.qs-sub-more {
  color: #666;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.qs-sub-more:hover {
  color: #055d8c;
  text-decoration: none;
}

.qs-sub-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.qs-sub-card {
  background: #fff;
  text-align: center;
  transition: all 0.3s;
}

.qs-sub-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.qs-sub-pic {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f5f5f5;
  margin-bottom: 14px;
  text-decoration: none;
}

.qs-sub-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.qs-sub-card:hover .qs-sub-pic img {
  transform: scale(1.05);
}

.qs-sub-name {
  font-size: 16px;
  font-weight: bold;
  color: #333;
  margin-bottom: 12px;
  line-height: 1.4;
  padding: 0 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.qs-sub-name a {
  color: #000;
  text-decoration: none;
  transition: color 0.3s;
  font-size: 1.1rem;
  line-height: 1.8;
}

.qs-sub-card:hover .qs-sub-name a {
  color:var(--main-color);
  text-decoration: none;
  
}

.qs-sub-actions {
  display: flex;
  border: 1px solid #ddd;
  margin: 0 auto 12px;
  max-width: 200px;
  overflow: hidden;
}

.qs-sub-btn {
  flex: 1;
  padding: 6px 0;
  font-size: 14px;
  color: #666;
  text-decoration: none;
  transition: all 0.3s;
  border: none;
  background: transparent;
  cursor: pointer;
}

.qs-sub-btn + .qs-sub-btn {
  border-left: 1px solid #ddd;
}

.qs-sub-btn:hover {
  color: #fff;
  background: var(--main);
  text-decoration: none;
}

.qs-sub-meta {
  font-size: 14px;
  color: #999;
  padding-bottom: 8px;
  margin-bottom: 15px;
}

.qs-sub-meta a {
  color: inherit;
  text-decoration: none;
  padding: 0 8px;
  transition: color 0.3s;
}

.qs-sub-meta a:hover {
  color: #055d8c;
  text-decoration: none;
}

.qs-sub-meta span {
  color: #ddd;
}

.qs-sub-empty,
.qs-empty {
  text-align: center;
  color: #999;
  padding: 40px 0;
  font-size: 14px;
}

/* 产品列表侧边栏（红头 + 列表�?*/
.qs-prolist-side {
  background: #fff;
  overflow: hidden;
}

.qs-side-title {
  margin: 0;
  background:var(--main);
  color: #fff !important;
  text-align: center;
  font-size: 24px;
  font-weight: 400;
  padding: 28px 0;
  letter-spacing: 4px;
}

.qs-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid #eee;
  border-top: none;
  border-radius: 0 0 14px 14px;
}

.qs-side-list li {
  border-bottom: 1px solid #eee;
  padding:  0 20px;
}

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

.qs-side-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #333;
  text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.3s;
  line-height: 1.8;
}

.qs-side-list li a:hover,
.qs-side-list li a.active {
  background: #fff;
  color: #c00010;
  text-decoration: none;
  font-weight: 600;
}

.qs-side-arrow {
  color: #ccc;
  font-style: normal;
  font-size: 22px;
  line-height: 1;
  transition: color 0.3s;
}

.qs-side-list li a:hover .qs-side-arrow,
.qs-side-list li a.active .qs-side-arrow {
  color: #c00010;
}

/* ============== 新闻列表（图�?日期-标题 三列�?============== */
.qs-news-list {
  background: #fff;
  padding: 10px 0 30px;
}

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

.qs-news-item {
  border-bottom: 1px solid #ececec;
}

.qs-news-item:first-child {
  border-top: 1px solid #ececec;
}

.qs-news-link {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 24px 0;
  color: #333;
  text-decoration: none;
  transition: background-color .2s ease;
}

.qs-news-link:hover {
  background-color: #fafafa;
  color: #333;
  text-decoration: none;
}

.qs-news-img {
  flex: 0 0 450px;
  width: 450px;
  height: 300px;
  overflow: hidden;
  background: #f5f5f5;
}

.qs-news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}

.qs-news-link:hover .qs-news-img img {
  transform: scale(1.04);
}

.qs-news-date {
  flex: 0 0 150px;
  text-align: center;
  color: var(--main);;
  line-height: 1.1;
}

.qs-news-day {
  display: block;
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.qs-news-ym {
  display: block;
  margin-top: 6px;
  font-size: 1.2rem;
  color: #999;
}

.qs-news-body {
  flex: 1 1 auto;
  min-width: 0;
}

.qs-news-title {
  margin: 0 0 10px;
  font-size: 1.4rem;
  font-weight: 600;
  color: #333;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .2s ease;
}

.qs-news-link:hover .qs-news-title {
  color: var(--main)
}

.qs-news-desc {
  margin: 0;
  font-size: 1rem;
  color: #999;
  line-height: 1.6;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 无图时：不显示图片区域；标题/简介展示可占用更多宽度 */
.qs-news-item--noimg .qs-news-link {
  gap: 30px;
}

.qs-news-item--noimg .qs-news-body {
  flex: 1 1 auto;
}

/* ============== 文章简�?/ SEO 关键�?============== */
.qs-article-summary {
  font-size: 1rem;
  color: #666;
  line-height: 1.7;
  background: #f7f9fc;
  border-left: 3px solid var(--main);
  padding: 12px 14px;
  margin: 14px 0 16px;
  border-radius: 0 4px 4px 0;
}

.qs-keywords {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed #eee;
}

.qs-keywords > i {
  color: var(--main);
  font-size: 16px;
  margin-right: 2px;
}

.qs-keywords-label {
  font-size: 16px;
  color: #999;
  margin-right: 4px;
}

.qs-keyword-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 16px;
  color: #555;
  background: #f7f7f7;
  border: 1px solid #ddd;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.25s ease;
  line-height: 1.4;
}

.qs-keyword-tag:hover {
  color: #fff;
  background: var(--main);
  border-color: var(--main);
  text-decoration: none;
}

/* ============== 案例 / 厂区图库 ============== */
.case-section {
  margin: 20px 0 30px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.case-item:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  border-color:var(--main-light);
}

.case-link {
  display: block;
  color: #333;
  text-decoration: none;
}

.case-link:hover {
  color: var(--main-light);
  text-decoration: none;
}

.case-img-wrap {
  position: relative;
  width: 100%;
  padding-top: 66.6667%;
  overflow: hidden;
  background: #f5f5f5;
}

.case-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.case-item:hover .case-img {
  transform: scale(1.08);
}

.case-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-mask i {
  font-size: 32px;
  margin-bottom: 8px;
}

.case-mask span {
  font-size: 14px;
  letter-spacing: 2px;
}

.case-item:hover .case-mask {
  opacity: 1;
}

.case-info {
  padding: 16px 18px 18px;
}

.case-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #333;
  margin: 0 0 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s;
}

.case-item:hover .case-title {
  color: var(--main);
}

.case-desc {
  font-size: 1rem;
  color: #888;
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 42px;
}

/* ============== 响应式（统一断点�?============== */
@media (max-width: 1400px) {
  .qs-pd-anchor a {
    padding: 18px 12px;
    font-size: 0.875rem;
  }
}

@media (max-width: 1200px) {
  .qs-product-grid,
  .qs-prolist-main,
  .qs-pd-related .qs-rel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .qs-customer-logos {
    grid-template-columns: repeat(4, 1fr);
  }

  .qs-ft-nav-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 24px;
  }

  .qs-pd-banner-inner,
  .qs-container {
    width: 100%;
  }

  .qs-pd-apps-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .qs-feat-list {
    grid-template-columns: repeat(1, 1fr);
  }
}

@media (max-width: 992px) {
  .qs-search-dialog {
    max-width: 500px;
  }

  /* 案例 / 厂区图库�? �?�?3 �?*/
  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .qs-pd-anchor a {
    padding: 16px 8px;
    font-size: 0.8125rem;
  }

  .qs-article {
    padding: 30px 24px;
  }

  .qs-article-main {
    gap: 24px;
  }

  .qs-article-aside {
    flex: 0 0 200px;
    max-width: 200px;
    padding-right: 20px;
  }



  .qs-ft-top {
    gap: 24px;
    padding: 40px 0;
  }

  .qs-ft-cta-text h4 {
    font-size: 1.375rem;
  }

  .qs-ft-info {
    gap: 30px;
    padding: 40px 0;
  }

  .qs-ft-info-tel-num {
    font-size: 1.875rem;
  }

  .qs-contact-row {
    gap: 40px;
  }

  .qs-contact-info {
    padding: 40px 0;
  }

  .qs-contact-form {
    padding: 40px 0 50px;
  }

  .qs-contact-cta {
    flex: 1 1 100%;
    text-align: center;
  }

  .qs-contact-form-r {
    flex: 1 1 100%;
  }

  /* 显示移动端菜单按�?*/
  .qs-mobile-menu-btn {
    display: inline-flex;
  }

  /* 头部高度 50px */
  #header {
    height: 50px;
    padding: 0;
  }

  #header.scrolled {
    height: 50px;
  }

  /* 移动端：导航下拉式覆�?*/
  #header > .container.top {
    position: relative;
  }

  .top-nav-right > ul.nav {
    position: absolute;
    top: 50px;
    right: 0;
    left: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    background: #ffffff;
    text-align: left;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
    border-top: 1px solid #eee;
    max-height: 0;
    overflow: hidden;
    overflow-y: auto;
    transition: max-height .35s ease;
    -webkit-overflow-scrolling: touch;
  }

  .top-nav-right > ul.nav.show {
    max-height: calc(100vh - 50px);
  }

  /* 一级菜单：标题 + 右侧下拉箭头 */
  .top-nav-right > ul.nav > li {
    display: block;
    width: 100%;
    margin: 0;
    padding: 12px 0 8px;
    position: relative;
    overflow: visible;
  }

  .top-nav-right > ul.nav > li > a {
    display: block;
    height: auto;
    line-height: 1.4;
    font-size: 14px;
    font-weight: 700;
    padding: 0 16px;
    color: #222;
    border-bottom: none !important;
    background: transparent;
    position: relative;
  }

  .top-nav-right > ul.nav > li > a::after {
    content: "�?;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
    font-size: 16px;
    color: #999;
    font-weight: 400;
    line-height: 1;
  }

  .top-nav-right > ul.nav > li.active > a,
  .top-nav-right > ul.nav > li:hover > a {
    color: var(--main);
    background: transparent;
    border-bottom: none;
  }

  /* 二级菜单：浅灰圆角盒�?*/
  .top-nav-right > ul.nav > li .sec-nav {
    position: static;
    width: auto;
    margin: 8px 16px 4px;
    border-top: none;
    box-shadow: none;
    background: #f5f6f8;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: 10px 14px;
    border-radius: 6px;
    max-height: none;
  }

  .top-nav-right > ul.nav > li .sec-nav li {
    display: inline-block;
    border-bottom: none;
    line-height: 1.9;
    margin: 0 14px 0 0;
    padding: 0;
  }

  .top-nav-right > ul.nav > li .sec-nav li:last-child {
    margin-right: 0;
  }

  .top-nav-right > ul.nav > li .sec-nav li a {
    display: inline;
    padding: 0;
    color: #555;
    font-size: 13px;
    background: transparent;
    margin: 0;
    white-space: nowrap;
  }

  .top-nav-right > ul.nav > li .sec-nav li a:hover {
    color: var(--main);
    background: transparent;
  }

  /* 移动端：显示顶部搜索按钮 */
  .header-search {
    display: inline-flex;
    margin-left: 4px;
  }

  .header-search-btn {
    width: 36px;
    height: 36px;
  }

  /* 隐藏 PC 端立即咨�?*/
  .header-consult {
    display: none;
  }

  /* Logo 缩小（适配 50px header�?*/
  .navbar-brand {
    width: 130px;
    height: 36px;
    top: 7px;
    left: 10px;
  }

  .navbar-brand > img {
    height: 36px;
  }

  #header.scrolled .navbar-brand {
    width: 130px;
    height: 36px;
    top: 7px;
  }

  .bottom-btn {
    display: none !important;
  }

  .case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .qs-sub-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .qs-news-img {
    flex: 0 0 240px;
    width: 240px;
    height: 150px;
  }

  .qs-news-day {
    font-size: 2.125rem;
  }
}

/* ============================================================
 * 顶部导航 - 移动端（多列网格二级菜单）— 全局覆盖
 * 说明：qs_xf.css 中的样式仅在首页/部分页面生效；这里给所有页面统一样式
 * ============================================================ */
@media (max-width: 992px) {
  /* 隐藏桌面端 mega 菜单 */
  .qs-mega-menu { display: none !important; }

  /* 移动端菜单：全屏弹出 */
  #header .top-nav-right > ul.nav {
    display: none !important;
    position: fixed !important;
    top: 50px !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    background: #fff !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    z-index: 999 !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    text-align: left !important;
    border-top: none !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .08) !important;
  }
  #header .top-nav-right > ul.nav.show { display: block !important; }

  /* 覆盖原 nav:after 半透明遮罩 */
  #header .top-nav-right > ul.nav::after { display: none !important; }

  /* 一级项 */
  #header .top-nav-right > ul.nav > li {
    display: block !important;
    width: 100% !important;
    background: #fff !important;
    border-bottom: 1px solid #f0f0f0 !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  /* 一级项链接 */
  #header .top-nav-right > ul.nav > li > a {
    display: block !important;
    width: 100% !important;
    padding: 14px 20px !important;
    color: #333 !important;
    font-size: 15px !important;
    line-height: 1.4 !important;
    height: auto !important;
    background: #fff !important;
    border: none !important;
    border-radius: 0 !important;
    text-align: left !important;
    font-weight: 500 !important;
  }
  /* 覆盖原 a::after 伪元素（避免出现 ‹ 箭头） */
  #header .top-nav-right > ul.nav > li > a::after { display: none !important; }

  #header .top-nav-right > ul.nav > li > a:hover,
  #header .top-nav-right > ul.nav > li.active > a {
    color: var(--main, #c41230) !important;
    background: rgba(230, 0, 18, .04) !important;
  }

  #header .top-nav-right > ul.nav > li > a .qs-nav-arrow {
    float: right !important;
    margin-top: 6px !important;
    color: #999 !important;
  }

  #header .top-nav-right > ul.nav > li:hover > a .qs-nav-arrow,
  #header .top-nav-right > ul.nav > li.active > a .qs-nav-arrow {
    color: var(--main, #c41230) !important;
  }

  /* 二级菜单：默认展开，2-3 列网格布局 */
  #header .top-nav-right > ul.nav > li .sec-nav {
    position: static !important;
    width: 100% !important;
    background: #f8f8f8 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    visibility: visible !important;
    opacity: 1 !important;
    transform: none !important;
    max-height: none !important;
    overflow: visible !important;
    display: grid !important;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding: 6px 0 !important;
    margin: 0 !important;
  }

  #header .top-nav-right > ul.nav > li .sec-nav li {
    padding: 0 !important;
    line-height: 1.5 !important;
    margin: 0 !important;
    background: #f8f8f8 !important;
    display: block !important;
    border-bottom: none !important;
  }

  #header .top-nav-right > ul.nav > li .sec-nav li a {
    display: block !important;
    padding: 8px 10px !important;
    color: #666 !important;
    font-size: 13px !important;
    line-height: 1.4 !important;
    height: auto !important;
    border-left: 2px solid transparent !important;
    text-align: center !important;
    background: transparent !important;
    margin: 0 !important;
  }

  #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, #c41230) !important;
    background: rgba(230, 0, 18, .04) !important;
    border-left-color: var(--main, #c41230) !important;
  }
}

/* 小屏手机：2 列 */
@media (max-width: 560px) {
  #header .top-nav-right > ul.nav > li .sec-nav {
    grid-template-columns: repeat(2, 1fr) !important;
    padding: 4px 0 !important;
  }
  #header .top-nav-right > ul.nav > li .sec-nav li a {
    font-size: 12px !important;
    padding: 6px 4px !important;
  }
}

/* ============================================================
 * 顶部导航 - 桌面端 mega 菜单（通栏 + 分类 + 产品）
 * 设计：
 *   1. 一级项 hover → 通栏 mega 菜单（position: fixed）
 *   2. 菜单内部 grid 多列展示：每个二级分类 = 一列
 *   3. 产品中心类显示每个分类下的产品列表
 *   4. 移动端：mega 菜单隐藏，二级菜单以多列网格直接挂在 li 下
 * ============================================================ */

#header .nav > li { position: relative; }

/* 桌面端：隐藏移动端 .sec-nav（避免重复显示） */
@media (min-width: 993px) {
  #header .nav > li .sec-nav { display: none !important; }
  .qs-mm-toggle { display: none !important; }
}

/* 桌面端：二级菜单 = 通栏背景条 + 居中内容 */
/* 设计：position: fixed 占满整宽，背景全屏；内部内容根据需要排版 */
.qs-mega-menu {
  position: fixed;
  left: 0;
  right: 0;
  top: 90px; /* JS 动态覆盖为 header 实际底部 */
  background: #fff;
  border-top: 2px solid var(--main, #c41230);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  z-index: 1020;
  padding: 14px 0;
}

#header .nav > li.qs-has-mega:hover > .qs-mega-menu,
#header .nav > li.qs-has-mega.qs-mega-open > .qs-mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity .25s ease, transform .25s ease, visibility 0s;
}

/* 不可见桥接（避免 <li> 与 mega 菜单之间有缝隙导致 hover 断开） */
#header .nav > li.qs-has-mega::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
  display: none;
}
@media (min-width: 993px) {
  #header .nav > li.qs-has-mega::after { display: block; }
}

/* mega 内部：通栏内容容器，水平 flex 居中 */
.qs-mega-menu .qs-mega-inner {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start; /* 顶部对齐，不要垂直居中 */
  margin: 0 auto;
  padding: 0 20px;
  max-width: 1600px;
  gap: 0;
  text-align: left; /* 防止被父级 center 影响 */
}

/* 列容器：横向 flex */
.qs-mega-menu .qs-mega-grid {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  text-align: center;
  align-items: center;
}

/* 单列：默认下拉为单行 */
.qs-mega-menu .qs-mega-col {
  min-width: 0;
  padding: 0;
  border-right: none;
  flex: 0 0 auto;
}

/* 分类标题（简洁下拉模式：单行链接） */
.qs-mega-menu .qs-mega-col-title {
  font-size: .95rem;
  font-weight: 400;
  color: #333;
  margin: 0;
  padding: 0;
  border-bottom: none;
  position: static;
}

.qs-mega-menu .qs-mega-col-title::after { display: none; }

.qs-mega-menu .qs-mega-col-title a {
  color: inherit;
  text-decoration: none;
  display: block;
  padding: 8px 28px;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}

.qs-mega-menu .qs-mega-col-title a:hover {
  color: var(--main, #c41230);
  background: rgba(196, 18, 48, .06);
}

/* 简洁下拉模式：产品列表不显示 */
.qs-mega-menu .qs-mega-list { display: none; }

/* ============================================================
 * 通栏模式（仅产品中心）：当 .qs-mega-menu 带 .qs-mega-with-products 类
 * 切换为通栏全屏显示
 * ============================================================ */
.qs-mega-menu.qs-mega-with-products {
  /* 保持 fixed 全宽 */
  position: fixed;
  left: 0;
  right: 0;
  top: 90px;
  background: #fff;
  border-top: 2px solid var(--main, #c41230);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  /* 内容块用 block 布局 */
  padding: 0;
  text-align: left; /* 防止被父级 center 影响 */
}

.qs-mega-menu.qs-mega-with-products .qs-mega-inner {
  display: block;
  max-width: 1600px;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 16px 30px 24px; /* 顶部对齐：缩小上 padding */
  text-align: left;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  text-align: left;
  justify-content: start; /* 内容顶部对齐（grid 项） */
  align-items: start;     /* 列内容顶部对齐 */
}

.qs-mega-menu.qs-mega-with-products .qs-mega-col {
  min-width: 0;
  padding: 8px 24px;
  border-right: 1px dashed #e8e8e8;
  text-align: left; /* 列内内容左对齐、顶部对齐 */
  display: block;    /* 不做 flex 居中 */
}
.qs-mega-menu.qs-mega-with-products .qs-mega-col:last-child { border-right: none; }

.qs-mega-menu.qs-mega-with-products .qs-mega-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 14px;
  padding: 0 0 10px;
  border-bottom: 1px solid #eee;
  position: relative;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-col-title::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 24px;
  height: 2px;
  background: var(--main, #c41230);
  transition: width .3s ease;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-col-title a {
  padding: 0;
  transition: none;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-col-title a:hover {
  color: var(--main, #c41230);
  background: transparent;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-list {
  display: block;
  list-style: none;
  margin: 0;
  padding: 0;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-list li {
  font-size: .875rem;
  line-height: 1;
  padding: 7px 0;
  position: relative;
  padding-left: 14px;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  background: #ccc;
  border-radius: 50%;
  transition: background .2s ease, transform .2s ease;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-list li a {
  color: #666;
  text-decoration: none;
  transition: color .2s ease, padding .2s ease;
  display: inline-block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-list li a:hover {
  color: var(--main, #c41230);
  padding-left: 4px;
}

.qs-mega-menu.qs-mega-with-products .qs-mega-list li:hover::before {
  background: var(--main, #c41230);
  transform: translateY(-50%) scale(1.3);
}

/* 桌面端一级菜单的下拉箭头 */
.qs-nav-arrow {
  font-size: .65em;
  margin-left: 4px;
  display: inline-block;
  transition: transform .25s ease;
  color: rgba(255, 255, 255, .7);
}

#header .nav > li.qs-has-mega:hover > a .qs-nav-arrow,
#header .nav > li.qs-has-mega.qs-mega-open > a .qs-nav-arrow {
  transform: rotate(180deg);
  color: #fff;
}

@media (max-width: 768px) {

.qs-ft-band{
  padding: 0 5px;
}

.qs-ft-band-mid,.qs-ft-top{
  display: none;
}

  /* 搜索弹窗：全宽，标题缩小 */
  .qs-search-modal {
    padding: 16px;
  }

  .qs-search-dialog {
    padding: 32px 20px 22px;
    max-width: 100%;
  }

  .qs-search-title {
    font-size: 1.125rem;
  }

  .qs-search-title small {
    font-size: 0.75rem;
  }

  .qs-search-form input[type="text"] {
    height: 44px;
    font-size: 0.9375rem;
    padding: 0 16px;
  }

  .qs-search-form button[type="submit"] {
    height: 44px;
    padding: 0 18px;
  }

  .qs-search-form button[type="submit"] .qs-search-btn-text {
    display: none;
  }

  .qs-search-close {
    width: 32px;
    height: 32px;
    font-size: 1.5rem;
  }

  /* 产品 / 案例 / 行业 网格 */
  .qs-product-grid,
  .qs-prolist-main,
  .qs-pd-related .qs-rel-grid,
  .qs-article-related .qs-rel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 底部相关产品：保持一行 4 个 */
  .qs-article-related-products .qs-rel-grid {
    grid-template-columns: repeat(4, 1fr);
  }

.qs-article-related{
  padding: 10px;
}

.qs-article-related .qs-rel-card .qs-pic{
  height: auto;
  aspect-ratio: 1 / 1;
}
.qs-article-related .qs-rel-card .qs-info h4{
  font-size: 14px;
}
  
  .qs-customer-logos {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-case-grid,
  .qs-strength-grid,
  .qs-service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-pd-top,
  .qs-prolist-wrap,
  .qs-contact-bar .qs-grid {
    grid-template-columns: 1fr;
  }

  /* 隐藏锚点导航 */
  .qs-pd-anchor {
    display: none;
  }

  .qs-pd-anchor-target {
    scroll-margin-top: 20px;
  }

  .qs-pd-sticky-bar {
    top: 50px;
  }

  /* 文章详情 */
  .qs-article {
    padding: 24px 16px;
  }

  
  .qs-article-main {
    flex-direction: column;
    gap: 20px;
  }

  .qs-article-aside {
    flex: 1 1 auto;
    max-width: 100%;
    padding-right: 0;
    padding-bottom: 16px;
    padding-left: 0 !important;
    border-right: none;
    border-bottom: 1px solid #eee;
    position: static;
  }

  .qs-article-layout {
    flex-direction: column;
    gap: 20px;
  }

  .qs-article-sidebar {
    flex: 1 1 auto;
    max-width: 100%;
    position: static;
  }

  .qs-article-header h1 {
    font-size: 1.4rem;
    margin-bottom: 14px;
  }

  .qs-recommend {
    padding: 16px 14px;
  }

  .qs-recommend-title .qs-rec-zh {
    font-size: 1rem;
  }

  .qs-rec-name {
    font-size: 0.875rem;
  }

  /* 服务优势：2 列 */
  .qs-features {
    flex-wrap: wrap;
    gap: 18px 14px;
    padding: 20px 0;
    margin-bottom: 30px;
  }

  .qs-feature {
    flex: 0 0 calc(50% - 7px);
    gap: 10px;
  }

  .qs-feature-icon {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .qs-feature-info h4 {
    font-size: 1.05rem;
  }

  .qs-feature-info p {
    font-size: 0.75rem;
  }

  .qs-meta-time {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 12px;
  }

  .qs-meta-time .qs-time-day {
    font-size: 2rem;
  }

  .qs-meta-extra {
    display: flex;
    gap: 16px;
  }

  .qs-meta-extra span {
    display: inline-block;
    margin-bottom: 0;
  }

  .qs-article .qs-content{
    font-size: 1rem;
  }

  /* 底部 Footer */
  .qs-ft-top {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .qs-ft-cta {
    flex-direction: column;
    text-align: center;
  }

  .qs-ft-cta-btn {
    align-self: center;
  }

  .qs-ft-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-ft-info {
    flex-direction: column;
    text-align: center;
  }

  .qs-ft-info-qr {
    justify-content: center;
  }

  /* 产品详情 */
  .qs-pd-section {
    padding: 40px 0;
  }

  .qs-pd-banner {
    min-height: 360px;
  }

  .qs-pd-banner-inner {
    padding: 40px 20px;
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .qs-pd-banner-inner h1 {
    font-size: 1.75rem;
  }

  .qs-pd-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .qs-pd-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-pd-apps-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .qs-rel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-feat-list {
    grid-template-columns: 1fr !important;
  }

 .qs-pd-specs{
  font-size: 1rem;
 }
  /* Lightbox */
  .qs-pd-lightbox-stage {
    padding: 50px 14px 70px;
  }

  .qs-pd-lightbox-img {
    max-height: calc(100vh - 160px);
  }

  .qs-pd-lightbox-prev,
  .qs-pd-lightbox-next {
    width: 38px;
    height: 50px;
    font-size: 1.125rem;
  }

  .qs-pd-lightbox-prev {
    left: 6px;
  }

  .qs-pd-lightbox-next {
    right: 6px;
  }

  .qs-pd-lightbox-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    font-size: 1.375rem;
  }

  /* 新闻列表 */
  .qs-news-link {
    flex-wrap: wrap;
    gap: 14px;
    padding: 16px 0;
  }

  .qs-news-img {
    flex: 0 0 130px;
    width: 130px;
    height: 90px;
  }

  .qs-news-date {
    flex: 0 0 80px;
    order: 2;
  }

  .qs-news-day {
    font-size: 1.625rem;
  }

  .qs-news-ym {
    font-size: 0.75rem;
  }

  .qs-news-body {
    flex: 1 1 auto;
    min-width: 0;
    order: 3;
  }

  .qs-news-title {
    white-space: normal;
  }

  /* 移动端无图：日期 + 标题上下排布 */
  .qs-news-item--noimg .qs-news-date {
    flex: 0 0 70px;
  }

  .qs-news-item--noimg .qs-news-body {
    flex: 1 1 auto;
  }

  /* 案例 / 厂区图库 */
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .case-info {
    padding: 14px 14px 16px;
  }

  .case-title {
    font-size: 15px;
  }

  .case-desc {
    font-size: 12px;
    min-height: 38px;
  }

  .case-mask i {
    font-size: 28px;
  }

  .case-mask span {
    font-size: 13px;
  }

  /* 文章简�?/ SEO 关键�?*/
  .qs-article-summary {
    font-size: 13px;
    padding: 10px 12px;
    margin: 12px 0 14px;
  }

  .qs-keywords {
    gap: 6px;
    margin-top: 14px;
    padding-top: 12px;
  }

  .qs-keyword-tag {
    padding: 3px 10px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .diy-tips{
  font-size: 1rem !important;
  font-weight: 600;
}

  /* 极窄屏：搜索弹窗调整 */
  .qs-search-form {
    flex-direction: column;
  }

  .qs-search-form button[type="submit"] {
    width: 100%;
    justify-content: center;
  }

  .qs-search-form button[type="submit"] .qs-search-btn-text {
    display: inline;
  }

  /* 产品详情 */
  .qs-pd-apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer */
  .qs-ft-cta-icon {
    width: 64px;
    height: 64px;
  }

  .qs-ft-cta-text h4 {
    font-size: 1.125rem;
    letter-spacing: 1px;
  }

  .qs-ft-cta-btn {
    padding: 0 26px;
    height: 44px;
    font-size: .9375rem;
  }

  .qs-ft-info-qr-card img {
    width: 64px;
    height: 64px;
  }

  .qs-ft-bot {
    flex-direction: column;
    text-align: center;
  }

  /* 联系我们 */
  .qs-contact-tel-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .qs-contact-grid {
    grid-template-columns: 1fr;
  }

  .qs-contact-info-r img {
    height: 240px;
  }

  .qs-contact-submit {
    width: 100%;
    padding: 0;
  }

  .qs-contact-submit-wrap {
    text-align: center;
  }

  /* 移动端头部菜�?*/
  #header > .container.top {
    padding: 0;
  }

  #header.scrolled .navbar-brand {
    left: 10px;
  }

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

.top-nav-right > ul.nav > li{
  padding: 0;
}

  .top-nav-right > ul.nav > li > a {
    font-size: 13px;
    height: 40px;
    line-height: 40px;
  }

  .top-nav-right > ul.nav > li .sec-nav li a {
    font-size: 14px;
  }

  .header-search {
    margin-top: 5px;
  }

  .qs-mobile-menu-btn {
    margin-top: 5px;
  }

  /* 案例 / 子产�?单列 */
  .case-grid {
    grid-template-columns: 1fr;
  }

  .qs-sub-grid {
    grid-template-columns: 1fr;
  }

  .qs-sub-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  /* 文章详情：相关产品/文章 移动端优化 */
  .qs-article-related {
    padding: 8px;
  }

  .qs-article-related h3 {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .qs-article-related .qs-rel-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .qs-article-related .qs-rel-card .qs-pic {
    aspect-ratio: 1 / 1;
  }

 

  .qs-article-prev-next {
    flex-direction: column;
    gap: 10px;
    font-size: 0.8125rem;
  }

  /* 文章详情：极窄屏优化 */
  .qs-article {
    padding: 16px 12px;
    flex-direction: column !important;
  }
.qs-article-summary{
  display: none;
}

  .qs-article-aside h1 {
    font-size: 1.25rem;
    margin-bottom: 16px;
  }

  .qs-article-header h1 {
    font-size: 1.2rem;
    margin-bottom: 12px;
  }

  .qs-meta-extra {
    flex-direction:row;
    gap: 8px;
  }

  .qs-keywords {
    flex-wrap: wrap;
    gap: 6px;
  }
}

/* ============== 屏幕 < 1600px：紧�?6 列布局（兼�?1200-1599px�?============== */
@media (max-width: 1599px) {
  .qs-ft-nav-grid {
    gap: 26px 20px;
  }

  .qs-ft-nav-col h6 {
    font-size: 1.05rem;
    margin-bottom: 16px;
    padding-bottom: 8px;
  }

  .qs-ft-nav-col li a {
    font-size: 0.9375rem;
  }

  .qs-ft-mid {
    padding: 48px 0 36px;
  }

  .qs-ft-top {
    padding: 44px 0;
  }

  .qs-ft-cta-text h4 {
    font-size: 1.5rem;
  }

  .qs-ft-cta-text p {
    font-size: 0.8125rem;
  }

  .qs-ft-info {
    padding: 44px 0;
  }

  .qs-ft-info-tel-num {
    font-size: 2rem;
  }

  .qs-ft-info-qr-card img {
    width: 108px;
    height: 108px;
  }

  .qs-ft-info-qr-card p {
    font-size: 0.8125rem;
    padding: 8px 0;
  }
}

/* ============== 平板横屏 / 桌面小屏 (992-1199px)�? 列导�?============== */
@media (max-width: 1199px) {
  .qs-ft-nav-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 28px 22px;
  }

  .qs-ft-info-tel-num {
    font-size: 1.75rem;
  }
}

/* ============== 平板竖屏 (768-991px)�? 列导�?+ 顶部保持横向 ============== */
@media (max-width: 991px) {
  .qs-ft-nav-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px 20px;
  }

  /* pad �?CTA 区域保持横向，避免过早挤�?*/
  .qs-ft-top {
    flex-direction: row;
    flex-wrap: wrap;
    text-align: left;
    gap: 20px;
  }

  .qs-ft-cta {
    flex-direction: row;
    text-align: left;
    flex: 1 1 auto;
  }

  .qs-ft-cta-btn {
    align-self: center;
  }

  .qs-ft-info {
    flex-direction: row;
    flex-wrap: wrap;
    text-align: center;
    gap: 24px;
  }

  .qs-ft-info-addr,
  .qs-ft-info-tel,
  .qs-ft-info-qr {
    flex: 1 1 100%;
    text-align: center;
  }

  .qs-ft-info-qr {
    justify-content: center;
  }

  .qs-ft-cta-text h4 {
    font-size: 1.375rem;
  }

  .qs-ft-cta-text p {
    font-size: 0.8125rem;
  }

  .qs-ft-info-tel-num {
    font-size: 1.625rem;
  }

  .qs-ft-info-qr-card img {
    width: 96px;
    height: 96px;
  }
}

/* ============== 手机�?(�?67px)�? 列导�?+ 单列布局 + 隐藏底部浮动菜单 ============== */
@media (max-width: 767px) {
  .qs-ft-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }

  .qs-ft-top {
    flex-direction: column;
    text-align: center;
    gap: 22px;
    padding: 32px 0;
  }

  .qs-ft-cta {
    flex-direction: column;
    text-align: center;
  }

  .qs-ft-cta-btn {
    align-self: center;
  }

  .qs-ft-info {
    flex-direction: column;
    text-align: center;
    padding: 32px 0;
    gap: 26px;
  }

  .qs-ft-info-addr,
  .qs-ft-info-tel,
  .qs-ft-info-qr {
    flex: 1 1 100%;
    text-align: center;
  }

  .qs-ft-info-qr {
    justify-content: center;
    flex-wrap: wrap;
  }

  .qs-ft-mid {
    padding: 40px 0 28px;
  }

  /* 手机端隐藏底部浮动菜�?*/
  .bottom-btn {
    display: none !important;
  }
}

/* ============== 小屏手机 (�?80px)：紧凑布局 ============== */
@media (max-width: 480px) {
  .qs-ft-nav-grid {
    gap: 22px 12px;
  }

  .qs-ft-nav-col h6 {
    font-size: 0.9375rem;
    margin-bottom: 12px;
  }

  .qs-ft-nav-col li a {
    font-size: 0.875rem;
  }

  .qs-ft-cta-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .qs-ft-cta-text h4 {
    font-size: 1.125rem;
  }

  .qs-ft-cta-text p {
    font-size: 0.75rem;
  }

  .qs-ft-cta-btn {
    height: 42px;
    padding: 0 24px;
    font-size: 0.875rem;
  }

  .qs-ft-info-tel-num {
    font-size: 1.5rem;
  }

  .qs-ft-info-qr-card img {
    width: 84px;
    height: 84px;
  }

  .qs-ft-info-qr-card p {
    font-size: 0.75rem;
    padding: 6px 0;
  }

  .qs-ft-bot {
    flex-direction: column;
    text-align: center;
    gap: 6px;
    font-size: 0.75rem;
  }

  .qs-ft-bot-right {
    text-align: center;
  }

  /* 移动端去掉装饰花纹，避免拥挤 */
  .qs-ft-band-top::before,
  .qs-ft-band-top::after {
    display: none;
  }
}

/* ============== 产品详情页：屏幕 < 1600px 兼容（紧凑布局�?============== */
@media (max-width: 1599px) {
  .qs-pd-banner-inner {
    padding: 70px 30px;
  }

  .qs-pd-banner-inner h1 {
    font-size: 2.5rem;
  }

  .qs-pd-banner-sub {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .qs-pd-banner-cat {
    margin-bottom: 14px;
  }

  .qs-pd-banner-cta a {
    padding: 11px 28px;
  }

  .qs-pd-section {
    padding: 56px 0;
  }

  .qs-sec-head {
    margin-bottom: 32px;
  }

  .qs-sec-head h2 {
    font-size: 1.875rem;
  }

  .qs-sec-head .qs-sec-en {
    font-size: 0.875rem;
    letter-spacing: 2px;
  }

  .qs-pd-intro {
    gap: 36px;
  }

  .qs-pd-intro-txt,
  .qs-pd-intro-txt p {
    font-size: 1.0625rem;
  }

  .qs-pd-gallery-cell img {
    height: 320px;
  }

  .qs-pd-principle,
  .qs-pd-principle p,
  .qs-pd-detail,
  .qs-pd-detail p {
    font-size: 1.0625rem;
  }

  .qs-pd-specs table th,
  .qs-pd-specs table td {
    padding: 14px 18px;
    font-size: 1rem;
  }

  .qs-pd-specs > p {
    font-size: 1rem;
  }

  .qs-pd-apps-txt,
  .qs-pd-apps-txt p {
    font-size: 1.0625rem;
  }

  .qs-pd-apps-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
  }

  .qs-pd-apps-cell img {
    height: 110px;
  }

  .qs-pd-apps-cell span {
    font-size: 0.75rem;
    padding: 5px 3px;
  }

  .qs-pd-cases-pic {
    height: 180px;
  }

  .qs-pd-cases {
    padding: 4px 0 14px;
  }

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

  .qs-feat-item {
    gap: 14px;
  }

  .qs-feat-num {
    flex: 0 0 50px;
    height: 50px;
    line-height: 50px;
    font-size: 1.375rem;
  }
}

/* ============== 产品详情页：平板竖屏 (768-991px) ============== */
@media (max-width: 991px) {
  /* 顶部 Banner：单列居中（左右挤在 800px 太紧�?*/
  .qs-pd-banner {
    min-height: 420px;
  }

  .qs-pd-banner-inner {
    padding: 50px 24px;
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .qs-pd-banner-left {
    max-width: 480px;
    margin: 0 auto;
  }

  .qs-pd-banner-left img {
    max-height: 360px;
  }

  .qs-pd-banner-right {
    text-align: center;
  }

  .qs-pd-banner-cta {
    justify-content: center;
  }

  .qs-pd-banner-inner h1 {
    font-size: 2rem;
  }

  .qs-pd-banner-sub {
    font-size: 0.9375rem;
    margin-bottom: 24px;
  }

  /* 粘性导航：pad 端仍展示锚点（区别于手机端） */
  .qs-pd-sticky-bar {
    top: 50px;
  }

  .qs-pd-sticky-inner {
    min-height: 56px;
    gap: 14px;
    flex-wrap: wrap;
  }

  .qs-breadcrumb {
    font-size: 0.8125rem;
    flex: 1 1 100%;
  }

  .qs-pd-anchor {
    flex: 1 1 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .qs-pd-anchor a {
    padding: 8px 12px;
    font-size: 0.875rem;
  }

  .qs-pd-anchor-target {
    scroll-margin-top: 130px;
  }

  /* 通用区块：紧凑内边距与字�?*/
  .qs-pd-section {
    padding: 44px 0;
  }

  .qs-sec-head {
    margin-bottom: 28px;
  }

  .qs-sec-head h2 {
    font-size: 1.625rem;
  }

  .qs-sec-head .qs-sec-en {
    font-size: 0.8125rem;
    letter-spacing: 2px;
  }

  /* 产品介绍：单�?*/
  .qs-pd-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .qs-pd-intro-media video,
  .qs-pd-intro-media img {
    max-height: 360px;
  }

  .qs-pd-intro-txt,
  .qs-pd-intro-txt p {
    font-size: 1rem;
  }

  /* 产品图库�? �?*/
  .qs-pd-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .qs-pd-gallery-cell img {
    height: 240px;
  }

  /* 工作原理 / 详细说明 */
  .qs-pd-principle,
  .qs-pd-principle p,
  .qs-pd-detail,
  .qs-pd-detail p {
    font-size: 1rem;
  }

  /* 技术参数：缩小内边距与字号 */
  .qs-pd-specs {
    padding: 24px 0;
  }

  .qs-pd-specs table {
    font-size: 0.9375rem;
  }

  .qs-pd-specs table th,
  .qs-pd-specs table td {
    padding: 12px 14px;
    font-size: 0.9375rem;
  }

  .qs-pd-specs > p {
    font-size: 1rem;
  }

  /* 应用领域 */
  .qs-pd-apps-txt,
  .qs-pd-apps-txt p {
    font-size: 1rem;
    margin-bottom: 24px;
  }

  .qs-pd-apps-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }

  .qs-pd-apps-cell img {
    height: 100px;
  }

  /* 相关案例：大图卡片图片缩�?*/
  .qs-pd-cases-pic {
    height: 160px;
  }

  .qs-cases-info {
    padding: 14px 16px 18px;
  }

  .qs-cases-info h3 {
    font-size: 0.9375rem;
  }

  /* 相关文章 / 相关产品�? �?*/
  .qs-rel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .qs-rel-pic {
    height: 180px;
  }

  /* 上一�?/ 下一�?*/
  .qs-pd-prevnext-sec {
    padding: 24px 0;
  }

  .qs-pd-prev-next {
    font-size: 0.8125rem;
    gap: 14px;
  }

  /* 特点及优势：双列（pad 端） */
  .qs-feat-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 30px;
  }
}

/* ============== 产品详情页：手机�?(�?67px) ============== */
@media (max-width: 767px) {
  /* 顶部 Banner：*/
  .qs-pd-banner {
    min-height: 360px;
    margin-top: 50px;
  }

  .qs-pd-banner-inner {
    padding: 36px 20px;
    gap: 24px;
  }

  .qs-pd-banner-cat {
    font-size: 0.75rem;
    padding: 4px 14px;
    margin-bottom: 10px;
  }

  .qs-pd-banner-inner h1 {
    font-size: 1.5rem;
  }

  .qs-pd-banner-sub {
    font-size: 0.875rem;
    margin-bottom: 20px;
  }

  .qs-pd-banner-cta {
    gap: 10px;
  }

  .qs-pd-banner-cta a {
    padding: 10px 22px;
    font-size: 0.875rem;
  }

  /* 粘性导航：手机端锚点隐藏（用户已设置） */
  .qs-pd-sticky-inner {
    min-height: 48px;
    padding: 2px 0;
  }

  /* 通用区块 */
  .qs-pd-section {
    padding: 36px 0;
  }

  .qs-sec-head {
    margin-bottom: 24px;
  }

  .qs-sec-head h2 {
    font-size: 1.375rem;
  }

  .qs-sec-head .qs-sec-en {
    font-size: 0.75rem;
    letter-spacing: 2px;
  }

  /* 产品介绍 */
  .qs-pd-intro {
    gap: 18px;
  }

  .qs-pd-intro-media video,
  .qs-pd-intro-media img {
    max-height: 280px;
  }

  .qs-pd-intro-txt,
  .qs-pd-intro-txt p {
    font-size: 0.9375rem;
  }

  /* 产品图库�? �?*/
  .qs-pd-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .qs-pd-gallery-cell img {
    height: 180px;
  }

  /* 工作原理 / 详细说明 */
  .qs-pd-principle,
  .qs-pd-principle p,
  .qs-pd-detail,
  .qs-pd-detail p {
    font-size: 0.9375rem;
  }

  /* 技术参数：缩小内边距与字号 */
  .qs-pd-specs {
    padding: 20px 0;
  }

  .qs-pd-specs table {
    font-size: 0.875rem;
  }

  .qs-pd-specs table th,
  .qs-pd-specs table td {
    padding: 10px 12px;
    font-size: 0.875rem;
  }

  .qs-pd-specs > p {
    font-size: 0.9375rem;
  }

  /* 应用领域：缩略图 3 �?*/
  .qs-pd-apps-txt,
  .qs-pd-apps-txt p {
    font-size: 0.9375rem;
    margin-bottom: 20px;
  }

  .qs-pd-apps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .qs-pd-apps-cell img {
    height: 90px;
  }

  .qs-pd-apps-cell span {
    font-size: 0.6875rem;
    padding: 4px 2px;
  }

  /* 相关案例 */
  .qs-pd-cases-pic {
    height: 140px;
  }

  .qs-cases-info {
    padding: 12px 14px 16px;
  }

  .qs-cases-info h3 {
    font-size: 0.9375rem;
    margin: 0 0 6px;
  }

  .qs-cases-info p {
    font-size: 0.75rem;
    -webkit-line-clamp: 2;
  }

  .qs-cases-more {
    font-size: 0.75rem;
  }

  /* 相关文章 / 相关产品�? �?*/
  .qs-rel-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .qs-rel-pic {
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .qs-rel-info {
    padding: 10px 12px;
  }

  .qs-rel-info h4 {
    font-size: 0.8125rem;
  }

  /* 上一�?/ 下一篇：纵向 */
  .qs-pd-prevnext-sec {
    padding: 20px 0;
  }

  .qs-pd-prev-next {
    flex-direction: column;
    gap: 8px;
    font-size: 0.8125rem;
  }

  /* Lightbox */
  .qs-pd-lightbox-stage {
    padding: 50px 14px 70px;
  }

  .qs-pd-lightbox-prev,
  .qs-pd-lightbox-next {
    width: 36px;
    height: 48px;
    font-size: 1rem;
  }

  .qs-pd-lightbox-prev {
    left: 6px;
  }

  .qs-pd-lightbox-next {
    right: 6px;
  }

  .qs-pd-lightbox-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    font-size: 1.375rem;
  }

  .qs-pd-lightbox-caption {
    font-size: 0.75rem;
    gap: 10px;
  }

  /* 放大遮罩图标 */
  .qs-pd-zoom-mask .qs-pd-zoom-icon {
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
  }
}

/* ============== 产品详情页：小屏手机 (�?80px) ============== */
@media (max-width: 480px) {
  .qs-pd-banner {
    min-height: 320px;
  }

  .qs-pd-banner-inner {
    padding: 28px 16px;
    gap: 20px;
  }

  .qs-pd-banner-inner h1 {
    font-size: 1.25rem;
  }

  .qs-pd-banner-sub {
    font-size: 0.8125rem;
    margin-bottom: 18px;
  }

  .qs-pd-banner-cta a {
    width: 100%;
    text-align: center;
    padding: 10px 16px;
    font-size: 0.875rem;
  }

  .qs-pd-section {
    padding: 28px 0;
  }

  .qs-sec-head {
    margin-bottom: 20px;
  }

  .qs-sec-head h2 {
    font-size: 1.25rem;
  }

  .qs-sec-head .qs-sec-en {
    font-size: 0.6875rem;
  }

  /* 产品介绍 */
  .qs-pd-intro-media video,
  .qs-pd-intro-media img {
    max-height: 220px;
  }

  .qs-pd-intro-txt,
  .qs-pd-intro-txt p {
    font-size: 0.875rem;
  }

  /* 产品图库：双列 */
  .qs-pd-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .qs-pd-gallery-cell img {
    height: 160px;
  }

  /* 工作原理 / 详细说明 */
  .qs-pd-principle,
  .qs-pd-principle p,
  .qs-pd-detail,
  .qs-pd-detail p {
    font-size: 0.875rem;
  }

  /* 技术参数：横向滚动容器 */
  .qs-pd-specs {
    padding: 16px 0;
  }

  .qs-pd-specs table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }

  .qs-pd-specs table th,
  .qs-pd-specs table td {
    padding: 8px 10px;
    font-size: 0.8125rem;
  }

  .qs-pd-specs table th {
    width: 110px;
  }

  .qs-pd-specs > p {
    font-size: 0.875rem;
  }

  /* 应用领域：缩略图 2 �?*/
  .qs-pd-apps-txt,
  .qs-pd-apps-txt p {
    font-size: 0.875rem;
  }

  .qs-pd-apps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .qs-pd-apps-cell img {
    height: 100px;
  }

  .qs-pd-apps-cell span {
    font-size: 0.6875rem;
  }

  /* 上一�?/ 下一�?*/
  .qs-pd-prev-next {
    font-size: 0.75rem;
  }

  /* Lightbox */
  .qs-pd-lightbox-stage {
    padding: 50px 10px 60px;
  }

  .qs-pd-lightbox-prev,
  .qs-pd-lightbox-next {
    width: 32px;
    height: 42px;
    font-size: 0.9375rem;
  }

  .qs-pd-lightbox-close {
    width: 32px;
    height: 32px;
    font-size: 1.25rem;
  }

  .qs-pd-zoom-mask .qs-pd-zoom-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }
}

/* ============== 顶部 Header：屏�?< 1600px 兼容（紧凑桌面导航） ============== */
@media (max-width: 1599px) {
  /* Logo 收窄 */
  .navbar-brand {
    width: 180px !important;
  }

  .navbar-brand>img,
  #header.scrolled .navbar-brand>img {
    width: 180px;
    max-height: 50px;
  }

  /* 一级导航：紧凑 padding 与字号，确保 8 个菜单在 1200-1599px 不溢�?*/
  .nav>li>a {
    padding: 0 18px;
    font-size: 0.9375rem;
  }

  .nav>li>a span {
    font-size: 1.0625rem;
    letter-spacing: 1px;
  }

  /* 滚动后：进一步压�?*/
  #header.scrolled .nav>li>a {
    padding: 0 14px;
    font-size: 0.875rem;
  }

  /* 二级菜单：下拉位置随 header 高度调整 */
  .nav>li .sec-nav {
    top: 80px;
  }

  #header.scrolled .nav>li .sec-nav {
    top: 60px;
  }
}

/* ============== 顶部 Header�?92-1199px 兼容（超紧凑桌面导航�?============== */
@media (min-width: 993px) and (max-width: 1199px) {
  /* 一级导航：超紧�?padding，适配 pad 横屏 */
  .nav>li>a {
    padding: 0 12px;
    font-size: 0.875rem;
  }

  .nav>li>a span {
    font-size: 0.9375rem;
    letter-spacing: .5px;
  }

  #header.scrolled .nav>li>a {
    padding: 0 10px;
    font-size: 0.8125rem;
  }

  /* 搜索按钮略微缩小 */
  .header-search-btn {
    width: 40px;
    height: 40px;
  }

  .header-search-btn .icon-search {
    font-size: 1rem;
  }
}

/* ============== 顶部 Header：平板竖�?(768-991px) 兼容 ============== */
@media (min-width: 768px) and (max-width: 991px) {
  /* 已在 992px 断点切为汉堡菜单 + 下拉式覆盖，此处补充细节 */
  #header {
    height: 50px;
    padding: 0 14px;
  }

  #header.scrolled {
    height: 50px;
  }

  .navbar-brand {
    width: 140px !important;
  }

  .navbar-brand>img,
  #header.scrolled .navbar-brand>img {
    width: 140px;
    height: 40px;
  }

  /* 汉堡按钮略放大，便于 pad 触控 */
  .qs-mobile-menu-btn {
    width: 44px;
    height: 44px;
    margin-left: 8px;
  }

  .qs-mobile-menu-btn .qs-mm-line {
    width: 24px;
  }

  /* 顶部右侧下拉菜单：限制最大高度，便于浏览 */
  .top-nav-right > ul.nav.show {
    max-height: calc(100vh - 50px);
  }
}

/* ============== 顶部 Header：手机端 (�?67px) 兼容 ============== */
@media (max-width: 767px) {
  /* 已经�?768px 断点覆盖，此处做极窄屏补�?*/
  #header {
    padding: 0 12px;
  }

  .navbar-brand {
    width: 120px !important;
  }

  .navbar-brand>img,
  #header.scrolled .navbar-brand>img {
    width: 120px;
    height: 36px;
  }

  /* 立即咨询按钮不显示（避免拥挤�?*/
  .header-consult {
    display: none !important;
  }

  /* 搜索按钮略小 */
  .header-search-btn {
    width: 36px;
    height: 36px;
  }

  .header-search-btn .icon-search {
    font-size: 0.9375rem;
  }

  /* 汉堡按钮 */
  .qs-mobile-menu-btn {
    width: 40px;
    height: 40px;
    margin-left: 6px;
  }

  /* 顶部右侧下拉菜单：占满宽�?*/
  .top-nav-right > ul.nav > li > a {
    padding: 0 14px;
    font-size: 0.875rem;
  }

  .top-nav-right > ul.nav > li .sec-nav {
    margin: 6px 14px 4px;
    padding: 8px 12px;
  }

  .top-nav-right > ul.nav > li .sec-nav li a {
    font-size: 0.8125rem;
    padding: 8px 12px;
  }
}

/* ============== 顶部 Header：极窄屏 (�?80px) 兼容 ============== */
@media (max-width: 480px) {
  #header {
    padding: 0 10px;
  }

  .navbar-brand {
    width: 100px !important;
  }

  .navbar-brand>img,
  #header.scrolled .navbar-brand>img {
    width: 100px;
    height: 30px;
  }

  .header-search-btn {
    width: 32px;
    height: 32px;
  }

  .header-search-btn .icon-search {
    font-size: 0.875rem;
  }

  .qs-mobile-menu-btn {
    width: 36px;
    height: 36px;
  }

  .qs-mobile-menu-btn .qs-mm-line {
    width: 20px;
  }

  /* 下拉菜单：进一步紧�?*/
  .top-nav-right > ul.nav > li {
    padding: 8px 0 6px;
  }

  .top-nav-right > ul.nav > li > a {
    padding: 0 12px;
    font-size: 0.8125rem;
  }
}

/* ============== 荣誉资质（独立类名，不覆�?case-grid�?============== */
.qs-honor-section {
  margin: 20px 0 30px;
}

/* 默认（桌面端 �?200px）：5 列平�?*/
.qs-honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.qs-honor-item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.qs-honor-item:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  border-color: var(--main-light);
}

.qs-honor-link {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  color: #333;
  text-align: left;
  cursor: pointer;
  font: inherit;
  -webkit-appearance: none;
  appearance: none;
}

.qs-honor-link:focus {
  outline: 2px solid var(--main);
  outline-offset: 2px;
}

.qs-honor-img-wrap {
  position: relative;
  display: block;
  width: 100%;
  padding-top: 75%;
  overflow: hidden;
  background: #fff;
}

.qs-honor-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  transition: transform 0.4s ease;
}

.qs-honor-item:hover .qs-honor-img {
  transform: scale(1.05);
}

/* 悬停遮罩 */
.qs-honor-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.qs-honor-mask i {
  font-size: 28px;
  margin-bottom: 6px;
}

.qs-honor-mask span {
  font-size: 13px;
  letter-spacing: 2px;
}

.qs-honor-item:hover .qs-honor-mask,
.qs-honor-item:focus-within .qs-honor-mask {
  opacity: 1;
}

/* 角落放大�?*/
.qs-honor-zoom {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 28px;
  height: 28px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.3s ease;
  pointer-events: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.qs-honor-item:hover .qs-honor-zoom,
.qs-honor-item:focus-within .qs-honor-zoom {
  opacity: 1;
  transform: translateY(0);
}

.qs-honor-info {
  display: block;
  padding: 12px 14px 14px;
  text-align: center;
}

.qs-honor-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #333;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s;
}

.qs-honor-item:hover .qs-honor-title {
  color: var(--main);
}

/* ============================================================
 * 产品分类首页（Productindex）移动端适配
 * 覆盖：背景区间距 / 顶部 app-nav / 子产品网格 / 卡片内部
 * 断点：<=992 / <=768 / <=600 / <=420
 * （依赖 style.css 基础样式；qs.css 加载于 style.css 之后，本段会覆盖同名样式）
 * ============================================================ */

/* ---- 1. 顶部 app-nav（栏目导航） ---- */
@media (max-width: 992px) {
  .app-nav {
    margin-top: .75rem;
    padding: 0 8px;
  }
  .app-nav-item {
    padding: 0 .4rem;
    margin-bottom: .75rem;
  }
  .app-nav-item a {
    font-size: 1rem;
    padding: .9rem .6rem;
  }
}
@media (max-width: 600px) {

  .app-nav { 
    display: none;
  }

  .app-nav-item {
    flex: 0 0 50%;
    max-width: 50%;
  }
  .app-nav-item a {
    font-size: .9rem;
    padding: .8rem .4rem;
    min-height: 2.6rem;
    line-height: 1.2;
  }
}
@media (max-width: 380px) {
  .app-nav-item a {
    font-size: .82rem;
    padding: .7rem .3rem;
  }
}

/* ---- 2. 灰色背景区（.bg-gray-bg）---- */
@media (max-width: 992px) {
  .bg-gray-bg { padding: 50px 0; }
}
@media (max-width: 600px) {
  .bg-gray-bg { padding: 36px 0; }
  .container { padding-left: 12px; padding-right: 12px; }
}

/* ---- 3. 子产品网格 ---- */
@media (max-width: 1200px) {
  .qs-sub-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}
@media (max-width: 992px) {
  .qs-sub-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .qs-sub-block { margin-bottom: 36px; }
  .qs-sub-header { padding: 6px 0 12px; margin-bottom: 18px; }
  .qs-sub-title { font-size: 18px; }
  .qs-sub-name { font-size: 15px; margin-bottom: 10px; padding: 0 4px;
    white-space: normal;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .qs-sub-name a { font-size: 1rem; line-height: 1.5; }
  .qs-sub-actions { max-width: 180px; }
  .qs-sub-btn { padding: 6px 0; font-size: 13px; }
  .qs-sub-meta { font-size: 13px; }
}
@media (max-width: 600px) {
  .qs-sub-block { margin-bottom: 28px; }
  .qs-sub-header { padding: 4px 0 10px; margin-bottom: 14px;
    flex-direction: column; align-items: flex-start; gap: 6px;
  }
  .qs-sub-title { font-size: 16px; }
  .qs-sub-arrow { margin-right: 6px; }
  .qs-sub-more { font-size: 13px; }
  .qs-sub-grid { grid-template-columns: repeat(1, 1fr); gap: 12px; }
  .qs-sub-pic { margin-bottom: 10px; }
  .qs-sub-name { font-size: 14px; margin-bottom: 8px;
    -webkit-line-clamp: 1; white-space: nowrap; text-overflow: ellipsis; padding: 0 4px;
  }
  .qs-sub-more { display: none; }
  .qs-sub-name a { font-size: .95rem; }
  .qs-sub-actions { max-width: 100%; margin-bottom: 10px; }
  .qs-sub-btn { padding: 7px 0; font-size: 12.5px; }
  .qs-sub-meta { font-size: 12px; margin-bottom: 10px; padding-bottom: 6px; }
  .qs-sub-meta a { padding: 0 6px; }
  .qs-sub-card:hover { transform: none; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
}
@media (max-width: 380px) {
  .qs-sub-grid { gap: 10px; }
  .qs-sub-name a { font-size: .88rem; }
  .qs-sub-btn { font-size: 12px; padding: 6px 0; }
  .qs-sub-meta { font-size: 11px; }
  .qs-sub-meta a { padding: 0 4px; }
}

/* ---- 4. 空数据占位 ---- */
@media (max-width: 600px) {
  .qs-sub-empty,
  .qs-empty { padding: 30px 14px; font-size: 13px; }
}

/* ============== 荣誉资质灯箱（点击放大） ============== */
.qs-honor-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.qs-honor-lightbox.qs-open {
  opacity: 1;
  visibility: visible;
}

.qs-honor-lightbox-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  cursor: zoom-out;
}

.qs-honor-lightbox-stage {
  position: relative;
  z-index: 2;
  max-width: 90vw;
  max-height: 80vh;
  padding: 60px 70px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.qs-honor-lightbox-img {
  display: block;
  max-width: 100%;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  animation: qs-lightbox-in 0.3s ease both;
}

@keyframes qs-lightbox-in {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.qs-honor-lightbox-close,
.qs-honor-lightbox-prev,
.qs-honor-lightbox-next {
  position: absolute;
  z-index: 3;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
  font-family: inherit;
  -webkit-appearance: none;
  appearance: none;
}

.qs-honor-lightbox-close:hover,
.qs-honor-lightbox-prev:hover,
.qs-honor-lightbox-next:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
}

.qs-honor-lightbox-close {
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  font-size: 28px;
  line-height: 1;
  font-weight: 300;
}

.qs-honor-lightbox-prev,
.qs-honor-lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 60px;
  font-size: 28px;
  line-height: 1;
  font-weight: 300;
  border-radius: 4px;
}

.qs-honor-lightbox-prev {
  left: 20px;
}

.qs-honor-lightbox-next {
  right: 20px;
}

.qs-honor-lightbox-caption {
  position: absolute;
  z-index: 3;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
  color: #fff;
  font-size: 0.9375rem;
  letter-spacing: 0.5px;
  padding: 0 20px;
}

/* ============== 荣誉资质：屏�?< 1600px 兼容（紧凑布局�?============== */
@media (max-width: 1599px) {
  .qs-honor-grid {
    gap: 18px 16px;
  }

  .qs-honor-title {
    font-size: 0.875rem;
  }

  .qs-honor-info {
    padding: 10px 12px 12px;
  }
}

/* ============== 荣誉资质：平板横�?(992-1199px)�? �?============== */
@media (min-width: 992px) and (max-width: 1199px) {
  .qs-honor-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px 14px;
  }
}

/* ============== 荣誉资质：平板竖�?(768-991px)�? �?============== */
@media (min-width: 768px) and (max-width: 991px) {
  .qs-honor-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .qs-honor-section {
    margin: 16px 0 24px;
  }

  .qs-honor-title {
    font-size: 0.9375rem;
  }

  .qs-honor-info {
    padding: 12px 14px 14px;
  }

  .qs-honor-mask i {
    font-size: 26px;
  }
}

/* ============== 荣誉资质：手机端 (�?67px)�? �?============== */
@media (max-width: 767px) {
  .qs-honor-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .qs-honor-section {
    margin: 14px 0 20px;
  }

  .qs-honor-info {
    padding: 10px 10px 12px;
  }

  .qs-honor-title {
    font-size: 0.8125rem;
    -webkit-line-clamp: 1;
  }

  .qs-honor-mask i {
    font-size: 22px;
    margin-bottom: 4px;
  }

  .qs-honor-mask span {
    font-size: 12px;
  }

  .qs-honor-zoom {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  /* 灯箱：手机端紧凑 */
  .qs-honor-lightbox-stage {
    padding: 50px 14px 60px;
  }

  .qs-honor-lightbox-img {
    max-height: 70vh;
  }

  .qs-honor-lightbox-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    font-size: 22px;
  }

  .qs-honor-lightbox-prev,
  .qs-honor-lightbox-next {
    width: 40px;
    height: 50px;
    font-size: 22px;
  }

  .qs-honor-lightbox-prev {
    left: 6px;
  }

  .qs-honor-lightbox-next {
    right: 6px;
  }

  .qs-honor-lightbox-caption {
    font-size: 0.8125rem;
    bottom: 12px;
  }
}

/* ============== 荣誉资质：极窄屏 (�?80px)：单�?============== */
@media (max-width: 480px) {
  .qs-honor-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .qs-honor-img-wrap {
    padding-top: 60%;
  }

  .qs-honor-info {
    padding: 10px 12px 12px;
  }

  .qs-honor-title {
    font-size: 0.875rem;
  }

  .qs-honor-mask i {
    font-size: 26px;
  }

  .qs-honor-mask span {
    font-size: 13px;
  }

  .qs-honor-lightbox-stage {
    padding: 50px 8px 50px;
  }

  .qs-honor-lightbox-prev,
  .qs-honor-lightbox-next {
    width: 32px;
    height: 44px;
    font-size: 18px;
  }

  .qs-honor-lightbox-prev {
    left: 4px;
  }

  .qs-honor-lightbox-next {
    right: 4px;
  }

  .qs-honor-lightbox-close {
    width: 32px;
    height: 32px;
    font-size: 20px;
  }
}

/* ============== 关于我们（独立类名，按图排版�?============== */

/* ---------- 数据统计栏：4 �?---------- */
.qs-about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 30px 0 50px;
  border-bottom: 1px solid #eee;
  margin-bottom: 40px;
}

.qs-about-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.qs-stat-num {
  display: flex;
  align-items: baseline;
  line-height: 1;
  color: var(--main);
  margin-bottom: 14px;
}

.qs-stat-num .qs-num {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.qs-stat-num .qs-unit {
  font-size: 1.25rem;
  font-weight: 600;
  margin-left: 4px;
  color: #333;
}

.qs-stat-desc {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  color: #888;
  line-height: 1.5;
}

.qs-stat-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--main);
  flex-shrink: 0;
}

/* ---------- 标题区：WEIHUA GROUP + 中文 ---------- */
.qs-about-head {
  margin-bottom: 30px;
}

.qs-about-en {
  font-size: 1.5rem;
  font-weight: 600;
  color: #b8bcc2;
  letter-spacing: 4px;
  margin-bottom: 6px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.qs-about-cn {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--main);
  margin: 0;
  line-height: 1.3;
  letter-spacing: 1px;
}

/* ---------- 简介正�?+ 工厂�?---------- */
.qs-about-intro {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  margin-bottom: 60px;
  position: relative;
  gap: 50px;
}

.qs-about-media {
  flex: 1;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  background: #000;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qs-about-media video,
.qs-about-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
}

.qs-about-text {
  flex: 1;
  font-size: 1rem;
  line-height: 2;
  color: #555;
  letter-spacing: 0.5px;
  word-break: break-word;
  align-self: center;
}

.qs-about-text p {
  margin: 0 0 16px;
  text-indent: 2em;
}

.qs-about-text p:last-child {
  margin-bottom: 0;
}

/* 富文本内容通用样式（兼容后台编辑器输出的标签） */
.qs-about-text img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 12px 0;
  border-radius: 4px;
}

.qs-about-text h1,
.qs-about-text h2,
.qs-about-text h3,
.qs-about-text h4,
.qs-about-text h5 {
  color: #333;
  font-weight: 700;
  margin: 20px 0 10px;
  line-height: 1.4;
}

.qs-about-text h2 { font-size: 1.5rem; }
.qs-about-text h3 { font-size: 1.25rem; }
.qs-about-text h4 { font-size: 1.125rem; }

.qs-about-text ul,
.qs-about-text ol {
  margin: 0 0 16px;
  padding-left: 24px;
}

.qs-about-text li {
  line-height: 1.9;
  margin-bottom: 6px;
}

.qs-about-text a {
  color: var(--main);
  text-decoration: none;
  word-break: break-all;
}

.qs-about-text a:hover {
  text-decoration: underline;
}

.qs-about-text table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.9375rem;
}

.qs-about-text table td,
.qs-about-text table th {
  border: 1px solid #e5e5e5;
  padding: 8px 10px;
}

.qs-about-text strong,
.qs-about-text b {
  color: #333;
  font-weight: 700;
}

.qs-about-text br + br {
  display: block;
  content: "";
  margin: 6px 0;
}

/* ============================================================
 * 企业初心板块
 * ============================================================ */
.qs-aspiration {
  position: relative;
  overflow: hidden;
  margin: 0px 0;
  min-height: 420px;
  /* 板块背景图（可替换为真实图片路径） */
  background-image: url('about-bg.jpg');
  background-size: cover;
  background-position: center center;
  background-color: #1a1a1a; /* 图片加载失败时的兜底色 */
  display: flex;
  align-items: center;
}

/* 半透明遮罩，让文字清晰 */
.qs-aspiration-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 25, 50, .88) 0%,
    rgba(20, 30, 60, .82) 50%,
    rgba(196, 18, 48, .65) 100%
  );
  z-index: 1;
}

.qs-aspiration-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 60px 40px;
  color: #fff;
}

/* 标题区 */
.qs-aspiration-head {
  text-align: center;
  margin-bottom: 50px;
}

.qs-aspiration-en {
  font-size: 1rem;
  color: rgba(255, 255, 255, .65);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.qs-aspiration-cn {
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 18px;
  letter-spacing: 6px;
  position: relative;
  display: inline-block;
}

/* 标题下方红色装饰线 */
.qs-aspiration-line {
  width: 60px;
  height: 3px;
  background: var(--main, #c41230);
  margin: 0 auto;
  border-radius: 2px;
}

/* 4 列网格 */
.qs-aspiration-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1600px;
  margin: 0 auto;
}

/* 单个初心项 */
.qs-aspiration-item {
  text-align: center;
  padding: 30px 20px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease;
  position: relative;
  overflow: hidden;
}

.qs-aspiration-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--main, #c41230);
  transition: width .3s ease;
}

.qs-aspiration-item:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .25);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
}

.qs-aspiration-item:hover::before {
  width: 60%;
}

.qs-asp-icon {
  width: 64px;
  height: 64px;
  line-height: 64px;
  margin: 0 auto 16px;
  background: rgba(196, 18, 48, .15);
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(196, 18, 48, .4);
  transition: all .3s ease;
}

.qs-aspiration-item:hover .qs-asp-icon {
  background: var(--main, #c41230);
  border-color: var(--main, #c41230);
  transform: rotate(360deg);
}

.qs-asp-icon svg {
  display: block;
}

.qs-asp-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: 2px;
}

.qs-asp-en {
  font-size: .75rem;
  color: rgba(255, 255, 255, .5);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.qs-asp-text {
  font-size: .95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
  margin: 0;
}

.qs-about-factory {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  min-height: 460px;
  background-image: url('/Content/images/about.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.qs-about-factory::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(0, 0, 0, 0) 40%,
    rgba(0, 0, 0, 0.35) 100%);
  pointer-events: none;
}

.qs-about-since {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: #fff;
  line-height: 1;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.qs-since-label {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 4px;
  margin-bottom: 6px;
  opacity: 0.9;
}

.qs-since-num {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 企业发展历程 ---------- */
.qs-about-history {
  padding-top: 30px;
  border-top: 1px solid #eee;
}

.qs-history-title {
  font-size: 1.625rem;
  font-weight: 700;
  color: #333;
  margin: 0 0 40px;
  text-align: center;
  position: relative;
  padding: 0 0 14px;
}

.qs-history-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--main);
  border-radius: 2px;
}

.qs-history-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 50px;
}

.qs-history-row--reverse {
  grid-template-columns: 2fr 1fr;
}

.qs-history-pic {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.qs-history-pic img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.qs-history-pic:hover img {
  transform: scale(1.04);
}

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

.qs-history-list li {
  position: relative;
  padding-left: 80px;
  margin-bottom: 16px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #555;
}

.qs-history-list li:last-child {
  margin-bottom: 0;
}

.qs-history-list li b {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--main);
  width: 70px;
  letter-spacing: 0.5px;
}

.qs-history-text {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: #555;
  padding: 16px 20px;
  background: #f8f8f8;
  border-left: 4px solid var(--main);
  border-radius: 0 4px 4px 0;
}

/* ============== 关于我们：屏�?< 1600px 兼容 ============== */
@media (max-width: 1599px) {
  .qs-about-stats {
    gap: 24px;
    padding: 24px 0 40px;
    margin-bottom: 32px;
  }

  .qs-stat-num .qs-num {
    font-size: 3rem;
  }

  .qs-about-cn {
    font-size: 2rem;
  }

  .qs-about-intro {
    gap: 36px;
    margin-bottom: 48px;
  }

  .qs-about-factory {
    min-height: 400px;
  }

  .qs-about-media {
    min-height: 280px;
  }

  .qs-history-pic img {
    height: 200px;
  }
}

/* ============== 关于我们：平板横�?(992-1199px) ============== */
@media (min-width: 992px) and (max-width: 1199px) {
  .qs-about-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .qs-stat-num .qs-num {
    font-size: 2.625rem;
  }

  .qs-stat-num .qs-unit {
    font-size: 1.125rem;
  }

  .qs-stat-desc {
    font-size: 0.875rem;
  }

  .qs-about-intro {
    gap: 30px;
  }

  .qs-about-factory {
    min-height: 360px;
  }

  .qs-about-media {
    min-height: 260px;
  }

  .qs-since-num {
    font-size: 3rem;
  }

  .qs-history-row {
    gap: 28px;
  }

  .qs-history-pic img {
    height: 180px;
  }
}

/* ============== 关于我们：平板竖�?(768-991px) ============== */
@media (min-width: 768px) and (max-width: 991px) {
  .qs-about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 40px;
    padding: 20px 0 36px;
  }

  .qs-stat-num .qs-num {
    font-size: 2.75rem;
  }

  .qs-about-en {
    font-size: 1.25rem;
  }

  .qs-about-cn {
    font-size: 1.75rem;
  }

  .qs-about-intro {
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
  }

  .qs-about-factory {
    min-height: 320px;
  }

  .qs-about-media {
    min-height: 280px;
  }

  .qs-history-title {
    font-size: 1.375rem;
    margin-bottom: 30px;
  }

  .qs-history-row {
    grid-template-columns: 1fr 1.4fr;
    gap: 24px;
    margin-bottom: 36px;
  }

  .qs-history-row--reverse {
    grid-template-columns: 1.4fr 1fr;
  }

  .qs-history-pic img {
    height: 180px;
  }
}

/* ============== 关于我们：手机端 (�?67px) ============== */
@media (max-width: 767px) {
  .qs-about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 24px;
    padding: 16px 0 28px;
    margin-bottom: 24px;
  }

  .qs-stat-num {
    margin-bottom: 10px;
  }

  .qs-stat-num .qs-num {
    font-size: 2.25rem;
  }

  .qs-stat-num .qs-unit {
    font-size: 1rem;
  }

  .qs-stat-desc {
    font-size: 0.8125rem;
    gap: 4px;
  }

  .qs-about-head {
    margin-bottom: 20px;
  }

  .qs-about-en {
    font-size: 1rem;
    letter-spacing: 3px;
  }

  .qs-about-cn {
    font-size: 1.375rem;
  }

  .qs-about-intro {
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
  }

  .qs-about-text {
    font-size: 0.9375rem;
    line-height: 1.85;
  }

  .qs-about-factory {
    min-height: 280px;
    padding: 20px;
  }

  .qs-about-media {
    min-height: 220px;
  }

  .qs-about-since {
    left: auto;
    bottom: auto;
  }

  .qs-since-label {
    font-size: 0.875rem;
    letter-spacing: 3px;
  }

  .qs-since-num {
    font-size: 2.5rem;
  }

  .qs-about-history {
    padding-top: 20px;
  }

  .qs-history-title {
    font-size: 1.25rem;
    margin-bottom: 24px;
  }

  .qs-history-row,
  .qs-history-row--reverse {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 28px;
  }

  .qs-history-pic img {
    height: 180px;
  }

  .qs-history-list li {
    padding-left: 60px;
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 12px;
  }

  .qs-history-list li b {
    font-size: 1rem;
    width: 54px;
  }

  .qs-history-text {
    font-size: 0.875rem;
    line-height: 1.7;
    padding: 12px 14px;
  }
}

/* ============== 关于我们：极窄屏 (�?80px) ============== */
@media (max-width: 480px) {
  .qs-about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 16px 18px;
  }

  .qs-stat-num .qs-num {
    font-size: 1.875rem;
  }

  .qs-stat-num .qs-unit {
    font-size: 0.9375rem;
  }

  .qs-stat-desc {
    font-size: 0.75rem;
  }

  .qs-about-cn {
    font-size: 1.25rem;
  }

  .qs-about-factory {
    min-height: 220px;
    padding: 16px;
  }

  .qs-since-num {
    font-size: 2.125rem;
  }

  .qs-history-title {
    font-size: 1.125rem;
  }

  .qs-history-pic img {
    height: 150px;
  }
}

/* ============== 企业初心：平板 (≤768px) ============== */
@media (max-width: 768px) {
  .qs-aspiration {
    min-height: auto;
    padding: 0;
  }
  .qs-aspiration-inner {
    padding: 50px 24px;
  }
  .qs-aspiration-head {
    margin-bottom: 36px;
  }
  .qs-aspiration-cn {
    font-size: 2rem;
    letter-spacing: 4px;
  }
  .qs-aspiration-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .qs-aspiration-item {
    padding: 24px 16px;
  }
  .qs-asp-icon {
    width: 56px;
    height: 56px;
  }
  .qs-asp-icon svg {
    width: 28px;
    height: 28px;
  }
  .qs-asp-title {
    font-size: 1.1rem;
  }
  .qs-asp-text {
    font-size: .875rem;
  }
}

/* ============== 企业初心：手机 (≤480px) ============== */
@media (max-width: 480px) {
  .qs-aspiration-inner {
    padding: 40px 16px;
  }
  .qs-aspiration-head {
    margin-bottom: 28px;
  }
  .qs-aspiration-en {
    font-size: .8rem;
    letter-spacing: 2px;
  }
  .qs-aspiration-cn {
    font-size: 1.6rem;
    letter-spacing: 3px;
  }
  .qs-aspiration-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .qs-aspiration-item {
    padding: 20px 14px;
  }
  .qs-asp-icon {
    width: 48px;
    height: 48px;
  }
  .qs-asp-icon svg {
    width: 24px;
    height: 24px;
  }
  .qs-asp-title {
    font-size: 1rem;
  }
  .qs-asp-en {
    font-size: .7rem;
    margin-bottom: 10px;
  }
  .qs-asp-text {
    font-size: .8rem;
    line-height: 1.6;
  }
}