/* ========== 变量 ========== */
:root {
  --primary: #0066CC;
  --primary-dark: #0052a3;
  --bg-light: #F0F3F6;
  --bg-white: #FFFFFF;
  --text-dark: #333333;
  --text-gray: #666666;
  --text-muted: #999999;
  --border: #E5E5E5;
  --footer-bg: #222222;
  --footer-text: #BBBBBB;
  --header-h: 100px;
  --max-w: 1400px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: var(--max-w);
  max-width: 100%;
  margin: 0 auto;
  padding: 0 40px;
}

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--bg-white);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo img {
  height: 64px;
  width: auto;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 22px;
  border-radius: 20px;
  font-size: 15px;
  color: var(--text-dark);
  background: transparent;
  transition: all .3s ease;
}
.header-nav a:hover,
.header-nav a.active {
  background: #f0f0f0;
  color: var(--primary);
}

/* ========== 导航下拉菜单 ========== */
.nav-dropdown {
  position: relative;
}
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 31px;
}
.nav-dropdown > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 22px;
  border-radius: 20px;
  font-size: 15px;
  color: var(--text-dark);
  background: transparent;
  transition: all .3s ease;
}
.nav-dropdown > a:hover,
.nav-dropdown > a.active {
  background: #f0f0f0;
  color: var(--primary);
}
.nav-dropdown:hover > a {
  background: #f0f0f0;
  color: var(--primary);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 31px);
  left: 50%;
  transform: translateX(-50%);
  background: #f7f7f7;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  border: 1px solid #e8e8e8;
  padding: 6px 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
  z-index: 999;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
  color: #5d5d5d;
  white-space: nowrap;
  transition: background .2s, color .2s;
  border-radius: 0;
  background: transparent;
}
.dropdown-menu a span {
  flex: 1;
}
.dropdown-menu a svg {
  width: 18px;
  height: 8px;
  color: #5d5d5d;
  flex-shrink: 0;
  margin-left: 24px;
}
.dropdown-menu a:hover {
  background: #ebebeb;
  color: #417dc5;
}
.dropdown-menu a:hover svg {
  color: #417dc5;
}
.dropdown-menu a.active {
  background: transparent;
  color: #2a2a2a;
  font-weight: 600;
}
.dropdown-menu a.active svg {
  color: #0555b5;
}

/* 产品中心 Mega Dropdown（4列宽面板） */
.dropdown-mega {
  position: absolute;
  top: calc(100% + 31px);
  left: 50%;
  transform: translateX(-50%);
  background: #f7f7f7;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  border: 1px solid #e8e8e8;
  padding: 30px 40px;
  display: flex;
  gap: 50px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
  z-index: 999;
}
.nav-dropdown:hover .dropdown-mega,
.nav-dropdown:focus-within .dropdown-mega {
  opacity: 1;
  visibility: visible;
}

.mega-col {
  flex: 1;
  min-width: 145px;
  text-align: left;
}
.mega-title {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  font-size: 18px; font-weight: bold;
  color: #333;
  margin: 0 0 8px;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s;
  padding-left: 0 !important;
}
.dropdown-mega .mega-title:hover { color: #0555b5; background: transparent; }
.dropdown-mega .mega-title:hover svg { color: #0555b5; transform: translateX(2px); }
.dropdown-mega .mega-title svg {
  width: 18px; height: 8px;
  color: #666;
  margin-left: auto;
  flex-shrink: 0;
  transition: color .2s, transform .2s;
}
.mega-divider {
  width: 145px; height: 1px;
  background: #aaa;
  margin-bottom: 14px;
}
.mega-links {
  display: flex;
  flex-direction: column;
}
.mega-links a {
  display: block;
  font-size: 14px;
  color: #666;
  line-height: 2.1;
  padding: 0;
  height: auto;
  background: transparent;
  border-radius: 0;
  white-space: nowrap;
  transition: color .2s;
}
.mega-links a:hover {
  color: #0555b5;
  background: transparent;
}

/* 移动端下拉 */
@media (max-width: 1024px) {
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0 20px;
    min-width: auto;
    opacity: 1;
    visibility: visible;
    display: none;
    background: transparent;
  }
  .nav-dropdown:hover .dropdown-menu {
    display: none;
  }
  .nav-dropdown.open .dropdown-menu {
    display: block;
  }
  .dropdown-menu a {
    height: 36px;
    padding: 0 8px;
    font-size: 14px;
  }
  .nav-dropdown > a {
    justify-content: flex-start;
    border-radius: 0;
    height: auto;
    padding: 10px 8px;
  }
  .dropdown-mega {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0 20px;
    flex-direction: column;
    gap: 16px;
    opacity: 1;
    visibility: visible;
    display: none;
    background: transparent;
  }
  .nav-dropdown:hover .dropdown-mega {
    display: none;
  }
  .nav-dropdown.open .dropdown-mega {
    display: flex;
  }
  .mega-col { min-width: auto; }
  .mega-divider { width: 120px; }
}

.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.header-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text-dark);
}
.header-icon svg { width: 20px; height: 20px; }
.header-phone {
  display: flex; align-items: center; gap: 8px;
  font-size: 18px; font-weight: 600;
  color: var(--text-dark);
}
.header-phone svg { width: 18px; height: 18px; color: var(--text-dark); }

/* 搜索框 */
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}
.header-search input {
  width: 160px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0 10px 0 32px;
  font-size: 13px;
  color: var(--text-dark);
  outline: none;
  transition: all .3s ease;
}
.header-search input:focus {
  border-color: var(--primary);
  width: 200px;
}
.header-search svg {
  position: absolute;
  left: 10px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

/* 语言切换 */
.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
}
.lang-toggle img {
  height: 25px;
  width: auto;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}
.mobile-menu-btn span {
  display: block; width: 24px; height: 2px;
  background: var(--text-dark);
}
/* 移动端隐藏搜索框和语言切换 */
@media (max-width: 768px) {
  .header-search,
  .lang-toggle { display: none; }
}
@media (max-width: 1024px) {
  .mobile-menu-btn { display: flex; }
}

/* ========== Hero / Banner Carousel ========== */
.hero {
  margin-top: var(--header-h);
  height: 600px;
  position: relative;
  overflow: hidden;
  background: #1a1a2e;
}
.hero-slides {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1s ease-in-out, transform 8s ease;
  z-index: 1;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.hero-slide.active {
  opacity: 1;
  transform: scale(1);
  z-index: 2;
}
.hero-slide::after {
  content: '';
  position: absolute;
  inset: 0;

  pointer-events: none;
}
.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: var(--max-w);
  max-width: 100%;
  padding: 0 40px;
  z-index: 3;
  color: #fff;
  text-align: left;
}
.hero-title {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease 0.3s;
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.hero-subtitle {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease 0.5s;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero-slide.active .hero-title,
.hero-slide.active .hero-subtitle {
  opacity: 1;
  transform: translateY(0);
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border-radius: 23px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease 0.7s, background 0.3s;
}
.hero-btn:hover { background: var(--primary-dark); }
.hero-slide.active .hero-btn {
  opacity: 1;
  transform: translateY(0);
}
.hero-btn svg { width: 14px; height: 14px; }
.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 3;
}
.hero-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all .3s;
}
.hero-dot.active { background: #fff; width: 28px; border-radius: 5px; }
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px; height: 50px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.1);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 3;
  transition: all .3s;
}
.hero-arrow:hover { background: rgba(255,255,255,0.25); }
.hero-arrow.left { left: 40px; }
.hero-arrow.right { right: 40px; }
.hero-arrow svg { width: 20px; height: 20px; }


/* ========== Section通用 ========== */
.section { padding: 80px 0; }
.section.bg-light { background: var(--bg-light); }
.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title::before {
  content: '';
  width: 4px; height: 28px;
  background: var(--primary);
  border-radius: 2px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-gray);
  margin-bottom: 40px;
}
.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 40px;
}
.section-header-left { max-width: 70%; }
.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 20px;
  border: 1px solid var(--primary);
  border-radius: 20px;
  color: var(--primary);
  font-size: 14px;
  transition: all .3s;
}
.btn-more:hover {
  background: var(--primary);
  color: #fff;
}
.btn-more .arrow {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.btn-more:hover .arrow { background: #fff; color: var(--primary); }
.btn-more .arrow svg { width: 10px; height: 10px; }

/* ========== About ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text .lead {
  font-size: 18px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 20px;
  line-height: 1.8;
}
.about-text p {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-text .btn-more { margin-top: 10px; }
.about-en {
  font-size: 20px;
  font-weight: 400;
  color: #cccccc;
  margin-left: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.about-video {
  background: #5a5a5a;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  height: 360px;
}
.about-video img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ========== Stats ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.stat-item {
  padding: 30px 0;
  border-right: 1px solid #d0d7de;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}
.stat-number span {
  font-size: 18px;
  font-weight: 400;
  margin-left: 4px;
  color: var(--text-dark);
}
.stat-number span.counter {
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  margin-left: 0;
}
.stat-label {
  font-size: 14px;
  color: var(--text-gray);
  margin-top: 8px;
}

/* ========== Products ========== */
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 30px;
}
.product-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 10px;
  border-bottom: 2px solid #d0d5dd;
  color: var(--text-gray);
  cursor: pointer;
  transition: all .3s;
  font-size: 15px;
  white-space: nowrap;
}
.product-tab::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}
.product-tab.active,
.product-tab:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.product-tab.active::before,
.product-tab:hover::before { background: var(--primary); }

.products-wrapper {
  overflow: hidden;
  position: relative;
}
.products-slider {
  display: flex;
  gap: 24px;
  transition: transform .5s ease;
}
.product-card {
  flex: 0 0 calc(20% - 19.2px);
  min-width: 240px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform .3s, box-shadow .3s;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.product-img {
  height: 260px;
  overflow: hidden;
}
.product-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.product-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(90deg, #8bb8e8 0%, #a8ccee 100%);
  color: #fff;
}
.product-name { font-size: 15px; font-weight: 500; }
.product-arrow {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.product-arrow svg { width: 10px; height: 10px; }

.product-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}
.product-dot {
  width: 30px; height: 4px;
  border-radius: 2px;
  background: #ccc;
  cursor: pointer;
}
.product-dot.active { background: var(--primary); }

/* ========== Why Us ========== */
.why-us-grid {
  display: grid;
  grid-template-columns: 200fr 510fr 200fr 200fr;
  gap: 16px;
}
.why-us .container {
  max-width: 1360px;
}
.why-card {
  position: relative;
  height: 400px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  cursor: pointer;
}
.why-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s cubic-bezier(.25,.46,.45,.94);
}
.why-card:hover img {
  transform: scale(1.05);
}
.why-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
@media (max-width: 1024px) {
  .why-us-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .why-card { height: 360px; }
}
@media (max-width: 640px) {
  .why-us-grid { grid-template-columns: 1fr; }
  .why-card { height: 320px; }
}

/* ========== News ========== */
.section.news {
  background: #fff;
  background-image: url(../Images/shouye2.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}
.section.news .news-header-row,
.section.news .news-wrapper,
.section.news .news-dots,
.section.news .news-arrows {
  position: relative;
  z-index: 1;
}
.news-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}
.news-arrows {
     justify-content: center;
     gap: 16px;
  display: flex;
  gap: 10px;
}
.news-arrows button {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .3s;
}
.news-arrows button:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.news-arrows button svg { width: 18px; height: 18px; }
.news-wrapper {
  overflow: hidden;
  position: relative;
}
.news-grid {
  display: flex;
  gap: 24px;
  transition: transform .5s ease;
}
.news-card {
  flex: 0 0 calc(33.333% - 16px);
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform .3s, box-shadow .3s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.news-img { height: 220px; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 22px; background: #f8f9fa; }
.news-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
}
.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  min-height: 42px;
}
.news-summary {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.news-date { font-size: 13px; color: var(--text-muted); }
.news-arrow {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-gray);
}
.news-card:hover .news-arrow {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.news-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}
.news-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #ccc;
  cursor: pointer;
  transition: all .3s;
}
.news-dot.active { background: var(--primary); width: 24px; border-radius: 4px; }

/* ========== Video Center ========== */
.video-section {
  padding: 80px 0;
  background: #eff2f6;
  background-image: url(../Images/shouye1.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}
.video-section .video-container {
  position: relative;
  z-index: 1;
}
.video-container {
 width: var(--max-w);
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
}
.video-grid {
  display: grid;
  grid-template-columns: 370px 1fr;
  gap: 40px;
  align-items: center;
}
.video-left .video-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 28px;
}
.video-left .video-title::before {
  content: '';
  width: 4px; height: 28px;
  background: var(--primary);
  border-radius: 2px;
}
.video-title-badge {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  transition: transform .2s, background .2s;
}
.video-title-badge:hover {
  transform: scale(1.1);
  background: #000;
}
.video-title-badge span {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: #fff;
}
.video-text-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.video-text-list li {
  font-size: 14px;
  color: #000;
  list-style: none;
  position: relative;
}

.video-player-area {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
}
.video-arrow {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #fff;
  border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: #555;
  flex-shrink: 0;
  transition: all .3s;
}
.video-arrow:hover { background: var(--primary); color: #fff; }
.video-arrow svg { width: 18px; height: 18px; }
.video-right-wrap {
  width: 510px;
  height: 330px;
  flex-shrink: 0;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #1a1d24;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.video-right-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.video-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}
.video-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: all .3s;
  border: none;
}
.video-dot.active { background: #fff; width: 22px; border-radius: 4px; }

.video-slide-link {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: none;
}
.video-slide-link.active {
  display: block;
}
.video-slide-link img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 1024px) {
  .video-grid { grid-template-columns: 1fr; gap: 28px; }
  .video-right-wrap { height: 260px; }
}
@media (max-width: 768px) {
  .video-section { padding: 50px 0; }
  .video-left .video-title { font-size: 26px; }
  .video-right-wrap { height: 220px; }
  .video-arrow { width: 34px; height: 34px; }
}

/* ========== Service Center ========== */
.service-center { background: var(--bg-light); }
.service-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: start;
}
.service-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #fff;
  border-radius: var(--radius);
  color: var(--text-dark);
  font-size: 15px;
  transition: all .3s;
}
.service-link:hover,
.service-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,102,204,0.2);
}
.service-link::after {
  content: '→';
  font-size: 18px;
  margin-left: 10px;
}
.service-map {
  border-radius: var(--radius);
  overflow: hidden;
  height: 400px;
  box-shadow: var(--shadow);
}
.service-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Cases ========== */
.case-tabs {
  display: flex;
  gap: 32px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.case-tab {
  font-size: 15px;
  color: var(--text-gray);
  padding-bottom: 8px;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all .3s;
}
.case-tab.active {
  color: var(--text-dark);
  border-bottom-color: var(--primary);
}

.cases-slider {
  position: relative;
  overflow: hidden;
}
.cases-grid {
  display: flex;
  gap: 24px;
  transition: transform .5s ease;
}
.case-card {
  flex: 0 0 calc(25% - 18px);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform .3s, box-shadow .3s;
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.case-card img {
  width: 100%;
  aspect-ratio: 3/3.5;
  object-fit: cover;
}
.case-card-info {
  padding: 16px;
  background: #fff;
}
.case-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.case-card-desc {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 30px;
}
.case-nav-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-white);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text-gray);
  transition: all .3s;
}
.case-nav-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.case-nav-btn svg { width: 18px; height: 18px; }


/* ================================================================
   Cases Page - 严格匹配行业案例.psd (1400×3496)
   ================================================================ */

/* ----- Banner (PSD: y=99~602, h=503容器+bg) ----- */
.case-banner {
  position: relative;
  margin-top: var(--header-h);
  height: 503px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding-bottom: 0;
}
.case-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}
.case-banner::after {
  content: none;
}
.case-banner-content {
  position: relative;
  z-index: 2;
  color: #fff;
  width: 100%;
  padding-bottom: 36px;
}
.case-banner-title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.2;
}
.case-banner-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
}

/* ----- 面包屑 (PSD: y=626~641, 浅灰底) ----- */
.case-breadcrumb {

width: 1320px;
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 40px;
  margin: 0 auto;
  font-size: 14px;
  color: #666;
}
.case-breadcrumb a {
  color: #666;
  transition: color .2s;
}
.case-breadcrumb a:hover { color: #0555b5; }
.case-breadcrumb .sep { margin: 0 6px; color: #999; }
.case-breadcrumb #breadcrumbCurrent { color: #333; font-weight: 500; }

/* ----- 精选案例 + 中型货架 (PSD: y=771~1188) ----- */
.case-featured {
  background: #fff;
  padding: 60px 0 60px;
}
.case-featured-title {
  text-align: center;
  font-size: 23px;
  font-weight: 700;
  color: #0555b5;
  margin-bottom: 48px;
  letter-spacing: 2px;
}
.case-featured-card {
  display: flex;
  background: #F0F1F4;
  border-radius: 6px;
  padding: 37px 46px 37px 60px;
  align-items: stretch;
  position: relative;
  overflow: visible;
  height: 380px;
}
.case-featured-left {
  flex: 0 0 440px;
  padding-top: 0;
  padding-right: 40px;
  overflow: hidden;
}
.case-featured-name {
  font-size: 21px;
  font-weight: 700;
  color: #0555B5;
  margin-bottom: 22px;
  line-height: 1.2;
  max-height: 34px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.case-featured-desc {
  font-size: 14px;
  color: #555;
  line-height: 2.1;
  text-align: justify;
  margin-bottom: 26px;
  height: 147px;
  overflow: hidden;
}
.case-featured-tags-label {
  font-size: 18px;
  font-weight: 600;
  color: #000;
  margin-bottom: 14px;
}
.case-featured-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.case-featured-tags span,
.case-featured-tags a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 17px;
  border-radius: 2px;
  font-size: 13px;
  cursor: pointer;
  transition: opacity .3s;
  border: none;
  text-decoration: none;
}
.case-featured-tags span:hover,
.case-featured-tags a:hover {
  opacity: 0.85;
}
/* 仓储货架 - 浅蓝底深蓝字 */
.case-featured-tags .tag-blue {
  background: #0555B5;
  color: #fff;
  min-width: 88px;
}
/* 穿梭板货架 - 深蓝底浅蓝字 (激活态) */
.case-featured-tags .tag-dark {
  background: #0555B5;
  color: #fff;
  min-width: 89px;
}
/* 自动化立体库货架 - 极浅蓝底中蓝字 */
.case-featured-tags .tag-light {
  background: #0555B5;
  color: #fff;
  min-width: 117px;
}
.case-featured-right {
  flex: 1;
  min-width: 0;
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.case-featured-right img {
  width: 100%;
  max-width: 605px;
  max-height: 460px;
  height: auto;
  display: block;
  border-radius: 2px;
  margin: -40px 0;
  object-fit: cover;
}

/* ----- 合作伙伴 (PSD: y=1272~1436) ----- */
.case-partners {
  background: #fff;
  padding: 56px 0 56px;
}
.case-partners-title {
  text-align: center;
  font-size: 23px;
  font-weight: 700;
  color: #0555B5;
  margin-bottom: 52px;
}
.case-partners-viewport {
  max-width: 1320px;
  margin: 0 auto 20px;
  overflow: hidden;
  position: relative;
}
.case-partners-track {
  display: flex;
  align-items: center;
  gap: 60px;
  transition: transform 0.05s ease-out;
  will-change: transform;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.case-partners-track:active {
  cursor: grabbing;
}
.case-partners-track.dragging {
  transition: none !important;
}
.partner-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 48px;
}
.partner-item img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: all .3s;
  pointer-events: none;
}
.partner-item img:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* 底部可拖动滚动条 */
.case-partners-scrollbar {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  height: 4px;
  background: #D9DCE1;
  border-radius: 2px;
  cursor: pointer;
}
.case-partners-thumb {
  position: absolute;
  left: 0;
  top: -1px;
  width: 175px;
  height: 6px;
  background: #0555B5;
  border-radius: 3px;
  cursor: grab;
  transition: opacity 0.15s;
}
.case-partners-thumb:active,
.case-partners-thumb.dragging {
  cursor: grabbing;
  opacity: 0.9;
}

/* ----- 行业Tab (PSD: y=1541~1582) ----- */
.case-tabs {
  background: #fff;
  padding: 22px 0 0;
}
.case-tabs-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  max-width: 1320px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.case-tabs-inner .case-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 35px;
  padding: 0 30px;
  font-size: 15px;
  color: #666;
  cursor: pointer;
  border-radius: 20px;
  white-space: nowrap;
  background: transparent;
  text-decoration: none;
}
.case-tabs-inner .case-tab:hover {
  background: var(--primary);
  color: #fff;
}
.case-tabs-inner .case-tab.active {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
}

/* ----- 案例卡片网格 ----- */
.case-grid-section {
  background: #fff;
  padding: 30px 0 60px;
}
.case-grid-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  box-sizing: border-box;
}
.case-item {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: transform .3s, box-shadow .3s;
}
.case-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}
.case-item-img {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.case-item-img img {
  width: 100%;
  aspect-ratio: 3/3.5;
  object-fit: cover;
  display: block;
  background: #F0F1F4;
}
.case-item-tag {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50px;
  background: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0.05));
  display: flex;
  align-items: center;
  padding-left: 14px;
}
.case-item-tag span {
  font-size: 11px;
  color: rgba(255,255,255,0.85);
  letter-spacing: 1px;
}
.case-item-body {
  padding: 14px 15px 18px;
}
.case-item-title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0 0 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.case-item-desc {
  font-size: 12px;
  color: #888;
  line-height: 1.7;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: #999;
  font-size: 16px;
}

/* ----- 分页 (PSD: y=2768~2806) ----- */
/* PSD参考: 仅激活页有蓝色按钮(矩形29)，非激活页为纯文字，左右箭头为图标无按钮 */
.case-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 52px;
}
.page-arrow {
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: #999;
  cursor: pointer;
  transition: all .3s;
}
.page-arrow svg { width: 25px; height: 25px; }
.page-arrow:hover {
  color: #0555B5;
}
/* PSD右箭头为蓝色 */
.page-next {
  color: #0555B5;
}
.page-arrow[disabled],
.page-arrow:disabled {
  opacity: 0.8;
  cursor: not-allowed;
  pointer-events: none;
}
.case-pagination .page-num {
  min-width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 2px;
  background: transparent;
  color: #666;
  font-size: 14px;
  cursor: pointer;
  transition: all .3s;
  padding: 0 4px;
  text-decoration: none;
}
.case-pagination .page-num:hover {
  color: #0555B5;
   background: #f2f2f2;
}
.case-pagination .page-num.active {
  background: #f2f2f2;
  color: #0555B5;
  font-weight: 500;
  min-width: 28px;
  height: 28px;
  border-radius: 3px;
}
.case-pagination .page-num.active:hover {
  color: #0555B5;
}

/* ================================================================
   Cases Page 响应式
   ================================================================ */
@media (max-width: 1200px) {
  .case-featured-card { flex-direction: column; }
  .case-featured-left { flex: none; width: 100%; padding-right: 0; }
  .case-featured-right { width: 100%; }
  .case-featured-right img { margin: 0; max-width: 100%; }
  .case-grid { grid-template-columns: repeat(3, 1fr); max-width: 100%; }
  .case-partners-track { gap: 40px; }
}
@media (max-width: 1024px) {
  .case-banner { height: 380px; }
  .case-banner-title { font-size: 24px; }
  .case-banner-subtitle { font-size: 15px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .case-tabs-inner { flex-wrap: wrap; justify-content: center; gap: 8px; }
  .case-tabs-inner .case-tab { padding: 0 16px; font-size: 14px; height: 36px; }
  .case-featured { padding: 36px 0 44px; }
  .case-featured-card { padding: 24px 20px; }
  .case-featured-right img { margin: 0; }
}
@media (max-width: 768px) {
  .case-banner { height: 260px; }
  .case-banner-title { font-size: 22px; }
  .case-banner-subtitle { font-size: 14px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .case-tabs-inner .case-tab { padding: 0 12px; font-size: 13px; height: 32px; }
  .case-featured { padding: 28px 0 34px; }
  .case-featured-title { font-size: 20px; margin-bottom: 22px; }
  .case-featured-name { font-size: 18px; }
  .case-featured-desc { font-size: 13px; line-height: 1.9; }
  .case-featured-card { padding: 20px 16px; }
  .case-featured-right img { margin: 0; }
  .case-featured-tags { flex-wrap: wrap; }
  .case-partners-track { gap: 24px; }
  .partner-item img { height: 36px; }
  .case-partners-thumb { width: 100px; }
  .case-pagination .page-num.active { min-width: 34px; height: 34px; }
}

/* ================================================================
   Case Detail Page (行业案例副页.psd)
   ================================================================ */

/* ----- 案例标题 (PSD: y=696~724) ----- */
.detail-main {
  background: #fff;
  padding: 90px 0 36px;
}
.detail-title {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  text-align: left;
  margin-bottom: 65px;
  line-height: 1.3;
}
.detail-img {
  max-width: 1320px;
  margin: 0 auto;
  border-radius: 4px;
  overflow: hidden;
}
.detail-img img {
  width: 100%;
  display: block;
}

/* ----- 项目概况 (PSD: y=1301~2115) ----- */
.detail-overview {
  background: #fff;
  padding: 44px 0 50px;
}
.detail-section-title {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1;
  margin-bottom: 50px;  /* PSD: 1430 - (1301+28) = 101 */
  letter-spacing: 1px;
}

/* 左右两列表格 (PSD: 左列551px, 间距21px, 右列551px) */
.detail-info-table {
  display: flex;
  max-width: 1320px;
  margin: 0 auto;
}
.detail-info-col {
  flex: 0 0 551px;
  min-width: 0;
}
.detail-info-col + .detail-info-col {
  margin-left: 21px;  /* PSD: 699-128-551=20 */
}

/* 每行：label + 间距28px + value + 间距34px + 分隔线 + 间距35px = 131px */
.detail-info-row {
}
.detail-info-label {
  font-weight: 800;
  font-size: 15px;
  color: #888;
  line-height: 1;
  margin-bottom: 27px;  /* PSD: value_y - (label_y + 15) = 1472-1445 = 27 */
}
.detail-info-value {
  font-size: 15px;
  color: #1a1a1a;
  line-height: 1;
  margin-bottom: 28px;  /* PSD: sep_y - (value_y + 15) = 1521-1487 = 34... but last row has no sep, so we use 28 to be consistent, sep adds the rest */
  display: flex;
  align-items: center;
  gap: 0;
}
/* 江苏 | 南京 竖分隔 (PSD: 矩形26, 4x23) */
.detail-info-vsep {
  display: inline-block;
  width: 1px;
  height: 15px;
  background: #999;
  margin: 0 10px;
  flex-shrink: 0;
}
.detail-info-sep {
  height: 1px;
  background: #C6C6C6;
  margin-bottom: 30px;  /* PSD: next_label_y - (sep_y + 5) = 1561-1526 = 35, minus some for line */
}
/* 右列末行分隔线与左列末行分隔线视觉对齐(PDS: y=1658) */

/* 技术亮点 */
.detail-tech-section {
  max-width: 1320px;
  margin: 44px auto 0;
  padding-top: 30px;

}
.detail-tech-title {
  font-size: 15px;
  color: #888;
  margin-bottom: 16px;
  font-weight: 800;
}
.detail-tech-text {
  font-size: 14px;
  color: #555;
  line-height: 2.1;
  text-align: justify;
}
.detail-tech-text p {
  margin-bottom: 10px;
}

/* ----- 项目亮点 (PSD: y=2201+) ----- */
.detail-highlight {
  background: #fff;
  padding: 20px 0 50px;
}
.detail-highlight-text {
  max-width: 1320px;
  margin: 0 auto;
  font-size: 14px;
  color: #555;
  line-height: 2.1;
  text-align: justify;
}
.detail-highlight-text p {
  margin-bottom: 10px;
}
.detail-highlight .detail-section-title {
  border-top: 1px solid #C6C6C6;
  padding-top: 86px;  /* PSD: 2201-2115=86 */
}

/* ----- 相关案例 (PSD: y=2551+) ----- */
.detail-related {
  background: #fff;
  padding: 20px 0 50px;
}
.detail-related .detail-section-title {
  border-top: 1px solid #C6C6C6;
  padding-top: 86px;  /* PSD: 2551-2465=86 */
}
.detail-related-grid {
  display: flex;
  gap: 14px;
  max-width: 1320px;
  margin: 0 auto;
}
.detail-related-card {
  flex: 0 0 calc((100% - 28px) / 3);  /* 固定宽度，始终一行3个 */
  min-width: 0;
  text-decoration: none;
  border-radius: 4px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.detail-related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}
.detail-related-img {
  width: 100%;
  aspect-ratio: 373 / 284;
  overflow: hidden;
  background: #E0F2FF;
}
.detail-related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.detail-related-name {
  font-size: 15px;
  color: #747474;
  margin-top: 20px;
  line-height: 1.5;
}

/* ----- 上下导航 (PSD: y=3042~3085, 按钮114×43, 间距18px) ----- */
.detail-nav {
  background: #fff;
  padding: 40px 0 0;  /* PSD: 3042-2954=88 (卡片标题底到按钮顶) */
}
.detail-nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;  /* PSD: 710-692=18 */
  max-width: 1150px;
  margin: 0 auto;
  padding-bottom:70px
}
.detail-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 114px;  /* PSD: exact width */
  height: 43px;  /* PSD: exact height */
  padding: 0;
  border-radius: 0;
  background: #F0F1F4;
  color: #666;
  font-size: 12px;  /* PSD: text height 12px */
  text-decoration: none;
  transition: all .3s;
  flex-shrink: 0;
  border:1px solid #b4b4b4;
}
.detail-nav-btn:hover {
  background: #0555B5;
  color: #fff;
}
.detail-nav-btn svg {
  width: 16px;
  height: 12px;
  flex-shrink: 0;
}

/* ===== 案例详情页 分页 (PSD: y=2678~2716) ===== */
.detail-related + .case-pagination {
  margin-top: 0;
  padding-bottom: 30px;
  background: #fff;
}

/* ================================================================
   Case Detail Page 响应式
   ================================================================ */
@media (max-width: 1024px) {
  .detail-info-table { flex-direction: column; gap: 0; }
  .detail-info-col { flex: none; width: 100%; max-width: 100%; }
  .detail-info-col + .detail-info-col { margin-left: 0; }
  .detail-related-grid { flex-wrap: wrap; }
  .detail-related-card { flex: 0 0 calc(50% - 7px); }
}
@media (max-width: 768px) {
  .detail-title { font-size: 22px; }
  .detail-section-title { font-size: 20px; margin-bottom: 60px; }
  .detail-overview, .detail-highlight, .detail-related { padding: 28px 0 36px; }
  .detail-info-label, .detail-info-value { font-size: 14px; }
  .detail-tech-text, .detail-highlight-text { font-size: 13px; line-height: 1.9; }
  .detail-related-grid { flex-direction: column; }
  .detail-related-card { flex: none; }
  .detail-nav-btn { width: auto; height: 38px; padding: 0 18px; font-size: 13px; }
  .detail-nav-inner { gap: 12px; }
}

/* ========== Footer ========== */
.footer {
  width: 100%;
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 0 30px;
}
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid #d0d0d0;
}
.footer-logo img {
  height: 70px;
  width: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr) 0.85fr;
  gap: 30px;
  padding: 40px 0;
}
.footer-col h4 {
  font-size: 16px;
  color: #BBBBBB;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: #d0d0d0;
  border-radius: 1px;
}
.footer-col:last-child {
  padding-left: 40px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--footer-text);
  padding: 6px 0;
  transition: color .3s;
}
.footer-col a:hover { color: var(--primary); }
.footer-qr img { width: 120px; height: 120px; }
.footer-qr-label { font-size: 12px; margin-top: 8px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  font-size: 12px;
  color: var(--footer-text);
}
.footer-bottom a { color: var(--footer-text); margin-left: 16px; }

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .container { padding: 0 24px; }
  .product-card { flex: 0 0 calc(25% - 18px); }
  .case-card { flex: 0 0 calc(33.333% - 16px); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .news-card { flex: 0 0 calc(50% - 12px); }
}
@media (max-width: 1024px) {
  .header-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 20px 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    gap: 0;
  }
  .header-nav.mobile-open { display: flex; }
  .header-nav > a {
    height: auto;
    padding: 10px 16px;
    border-radius: 0;
    justify-content: flex-start;
    font-size: 15px;
    border-bottom: 1px solid #f0f0f0;
  }
  .mobile-menu-btn { display: flex; }
  .about-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .product-card { flex: 0 0 calc(33.333% - 16px); }
  .case-card { flex: 0 0 calc(50% - 12px); }
  .service-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --header-h: 80px; }
  .header-phone { display: none; }
  .hero { height: 450px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .hero-arrow { width: 40px; height: 40px; }
  .hero-arrow.left { left: 16px; }
  .hero-arrow.right { right: 16px; }
  .hero-content { padding: 0 24px; }
  .section { padding: 50px 0; }
  .section-title { font-size: 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid #d0d7de; }
  .product-card { flex: 0 0 calc(50% - 12px); }
  .news-card { flex: 0 0 calc(100%); }
  .case-card { flex: 0 0 calc(85% - 12px); }
  .service-map { height: 280px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}

/* ================================================================
   Product Center Page (产品中心.psd)
   ================================================================ */

/* ----- Banner (PSD: y=99~602, h=503) ----- */
.prod-banner {
  height: 503px;
  background: url('../images/10.png') center top / cover no-repeat;
  position: relative;
  margin-top: var(--header-h);
}
.prod-banner .prod-banner-inner {
  width: var(--max-w);
  max-width: 100%;
  margin: 0 auto;
  height: 100%;
  position: relative;
}
.prod-banner .prod-banner-title {
  position: absolute;
  left: 0;
  top: 194px;
  font-size: 28px;
  font-weight: bold;
  color: #000;
  letter-spacing: 2px;
}
.prod-banner .prod-banner-subtitle {
  position: absolute;
  left: 0;
  top: 234px;
  font-size: 16px;
  color: #000;
}

/* ----- 分类筛选框 (PSD: 矩形31, y=705~954, 1146×249) ----- */
.prod-filter {
  background: #fff;
  padding: 50px 0 0;
}
.prod-filter-box {
  display: flex;
  align-items: stretch;
  border: 1px solid #D5D5D5;
  padding: 0;
}

.prod-filter-row2{border-top:0}


/* 横向分隔线 (PSD: 形状4, y=828) */
.prod-filter-hsep {
  width: 1320px;
  max-width: 100%;
  height: 1px;
  background: #D5D5D5;
  margin: 0 auto;
}


/* 每列 (PSD: 5列, 竖线分隔 x=354/582/811/1040, 4×247) */
.prod-filter-col {
  flex: 1;
  min-width: 0;
  padding: 26px 20px 22px;
}
.prod-filter-sep {
  flex-shrink: 0;
  width: 1px;
  background: #D5D5D5;
}

/* 主分类名 (PSD: blue, 16px + shelf icon 15×25) */
.prod-filter-main {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: #1F5EB7;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1;
  cursor: pointer;
  transition: opacity .2s;
}
.prod-filter-main:hover {
  opacity: .8;
}
/* 分类图标 (biao1.png) */
.prod-filter-icon {
  width: 15px;
  height: 25px;
  flex-shrink: 0;
  object-fit: contain;
}

/* 子分类 (PSD: font 13px, y=766/794) */
.prod-filter-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #666;
  margin-bottom: 12px;
  cursor: pointer;
  line-height: 1;
  transition: color .2s;
}
.prod-filter-sub:hover {
  color: var(--primary);
}
.prod-filter-sub:last-child {
  margin-bottom: 0;
}
/* 小圆点 (PSD: 椭圆1, 13×13, 空心) */
.prod-filter-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid #A0A0A0;
  background: transparent;
  flex-shrink: 0;
}

/* ----- 产品卡片网格 (PSD: y=1021~2560, 3×3, card 374×481) ----- */
.prod-grid-section {
  background: #fff;
  padding: 72px 0 0;  /* PSD: 1021-954=67 */
}
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap:  50px 15px;  /* PSD: 512-502=10, 898-887=11 */
  max-width: 1320px;
  margin: 0 auto;
}
/* 产品卡片 (PSD: card 374×481) */
.prod-card {
  position: relative;
  overflow: hidden;
  transition: box-shadow .3s;
}
.prod-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.1);
}
.prod-card-img {
  width: 100%;
  aspect-ratio: 374 / 405;
  object-fit: cover;
  display: block;
  background: #F0F1F4;
}
/* 底部信息栏 (PSD: 374×76, y=1426) */
.prod-card-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 20px;
  background: #FAFAFA;
  border: 1px solid #ECECEC;
  border-top: none;
}
.prod-card-name {
  font-size: 18px;
  color: #1a1a1a;
  font-weight: 500;
  line-height: 1;
}
/* 箭头按钮 (PSD: 33×33, x=432, y=1447) */
.prod-card-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 33px;
  height: 33px;
  border: 1px solid #D0D0D0;
  border-radius: 50%;
  background: #fff;
  color: #888;
  flex-shrink: 0;
  transition: all .3s;
  cursor: pointer;
}
.prod-card-arrow svg {
  width: 14px;
  height: 14px;
}
.prod-card:hover .prod-card-arrow {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ----- 分页 (共用case-pagination, y=2616~2654) ----- */
.prod-grid-section .case-pagination {
  margin-top: 62px;  /* PSD: 2616-2560=56 */
  padding-bottom: 50px;
  background: #fff;
}

/* ================================================================
   产品详情页 (PSD: 产品中心副页, 1400×2909, 精确1:1还原)
   ================================================================ */

/* ----- 主体区域 (PSD: 矩形24, y=98~2288) ----- */
.pdetail-main {
  background: #f2f2f2;
  padding: 48px 0 80px;  /* 263标题y - 179面包屑底 = 84, 减去面包屑内边距≈35, 标题上空间≈48 */
}

/* ----- 产品标题 (PSD: y=263, 32.25px, Bold, 黑色) ----- */
.pdetail-title {
  font-size: 32px;
  font-weight: 700;
  color: #0555b5;
  margin-bottom: 55px;  /* PSD: 350(概述) - 263(标题) - 29(标题高) = 58px */
  line-height: 1;
  padding-left: 0;
}

/* ----- 左右布局 (PSD: sidebar x=127~378, content x=378~1272) ----- */
.pdetail-layout {
  display: flex;
  align-items: flex-start;
}

/* ===== 左侧边栏 (PSD: 纯文字链接, x=127~378, w≈251, 无边框盒子) ===== */
.pdetail-sidebar {
  flex-shrink: 0;
  width: 250px;  /* PDS: 378-127-约56间距 = 251, 但文字右对齐留白; 按设计稿文字宽度算 */
  position: sticky;
  top: calc(var(--header-h) + 20px);  /* 固定 Header(100px) + 间距 */
  align-self: flex-start;
}

/* 导航链接列表 - 无边框! */
.pdetail-sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  padding-bottom:80px;
}

/* 每个导航项 (PSD: 概述y=350, 货架结构y=404, 应用y=458) */
.pdetail-nav-item {
  margin-bottom: 30px;  /* PSD: 404-350-14=40, 458-404-14=40, 统一40px间距 */
}
.pdetail-nav-item:last-child {
  margin-bottom: 0;
}

/* 导航链接文字 (PSD: 16px, tracking:10) */
.pdetail-nav-link {
  display: inline-block;
  font-size: 16px;
  color: #666;
  text-decoration: none;
  letter-spacing: 2px;
  line-height: 1;
  padding-bottom: 8px;
  position: relative;
  transition: color .2s;
}
.pdetail-nav-link:hover {
  color: #0555B5;
}

/* 激活态 - 底部蓝色下划线 (PSD: 形状7, 36×5, y=372, stroke=2px) */
.pdetail-nav-link.active {
  color: #0555B5;
  font-weight: 600;
}
.pdetail-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: #0555B5;
}

/* ===== 返回列表按钮 (PSD: 矩形27拷贝6, y=592, 100×38) ===== */
.pdetail-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 10px 18px;
  font-size: 14px;
  color: #fff;
  border: 1px solid #D5D5D5;
  background: #0555b5;
  text-decoration: none;
  transition: all .2s;
  line-height: 1;
}
.pdetail-back:hover {
 opacity: .85;
}
.pdetail-back-arrow {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ===== 右侧内容区 (PSD: x=378~1272, w=894) ===== */
.pdetail-content {
  flex: 1;
  min-width: 0;
}

/* ----- 内容面板 (全部可见, 上下堆叠; PSD: 各矩形25无边框无背景) ----- */
.pdetail-section {
  margin-bottom: 0;
  background: #fff;
  padding: 60px 35px;
}
.pdetail-section + .pdetail-section {
  margin-top: 65px;  /* PSD: 985-920=65, 1852-1789=63 */
}

/* ----- 各段落标题 (PSD: 概述 34.75px bold, 货架结构/应用 23.6px bold) ----- */
.pdetail-section-title {
  font-size: 28px;
  font-weight: 700;
  color: #0555B5;
  margin-bottom: 30px;
  line-height: 1;
}

/* ----- Section 1: 概述（矩形25, y=262~920, h=658） ----- */

/* 概述图文布局 */
.pdetail-ov-layout {
  display: flex;
  gap: 50px;  /* PSD: 767-414-312=41 */
}
.pdetail-ov-img {
  flex-shrink: 0;
  width: 312px;
}
.pdetail-ov-img img {
  width: 100%;
  height: auto;
  display: block;
  background: #F0F1F4;
}
.pdetail-ov-body {
  flex: 1;
  min-width: 0;
}

/* 描述文字 (PSD: y=389, 16px, leading=30) */
.pdetail-ov-desc {
  font-size: 16px;
  color: #555;
  line-height: 30px;
  margin-bottom: 36px;  /* PSD: 486-389-62=35 */
}

/* 产品特性小标题 (PSD: y=486, 23.6px bold) */
.pdetail-feature-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 22px;  /* PSD: 533-486-19=28, 取22 */
  line-height: 1;
}

/* 产品特性列表 (PSD: 矩形28系列 11x11 圆点, y=534/572/632/669/706/767) */
.pdetail-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.pdetail-feature-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  color: #333;
  line-height: 30px;
  margin-bottom: 12px;
}
.pdetail-feature-list li:last-child {
  margin-bottom: 0;
}
.pdetail-feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #0555B5;
}

/* ----- 立即咨询按钮 (PSD: 矩形27拷贝3, y=818, 126×48, 蓝色) ----- */
.pdetail-btn-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.pdetail-consult-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  background: #0555B5;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity .2s;
  line-height: 1;
}
.pdetail-consult-btn:hover {
  opacity: .85;
}
.pdetail-consult-icon {
  width: 19px;
  height: 15px;
  flex-shrink: 0;
}
.pdetail-btn-outline {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border: 1px solid #D5D5D5;
  font-size: 14px;
  color: #555;
  text-decoration: none;
  transition: all .2s;
  line-height: 1;
  background: #fff;
}
.pdetail-btn-outline:hover {
  border-color: #0555B5;
  color: #0555B5;
}

/* ----- Section 2: 货架结构（矩形25拷贝, y=985~1789, h=804）----- */
.pdetail-struct-text {
  font-size: 16px;
  color: #555;
  line-height: 30px;
  margin-bottom: 40px;  /* PSD: 1320-1104-159=57 */
}
.pdetail-struct-img {
  width: 100%;
}
.pdetail-struct-img img {
  width: 100%;
  height: auto;
  display: block;
  background: #F0F1F4;
}

/* ----- Section 3: 应用（矩形25拷贝2, y=1852~2223, h=371）----- */
.pdetail-app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 19px;  /* PSD: 694-413-262=19 */
}
.pdetail-app-card {
  position: relative;
  overflow: hidden;
  transition: box-shadow .3s;
}
.pdetail-app-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.pdetail-app-card-img {
  width: 100%;
  aspect-ratio: 262 / 188;
  overflow: hidden;
}
.pdetail-app-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.pdetail-app-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 16px;
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  text-align: left;
  line-height: 1;
}

/* ================================================================
   产品详情页 响应式
   ================================================================ */

/* ========== 产品中心+详情页 响应式 ========== */
@media (max-width: 1024px) {
  .prod-banner { height: 380px; }
  .prod-banner-title { font-size: 24px; }
  .prod-banner-subtitle { font-size: 15px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .prod-filter-box { flex-wrap: wrap; }
  .prod-filter-col { flex: 0 0 calc(33.33% - 6px); padding: 16px 12px 16px; }
  .prod-filter-sep:nth-child(6),
  .prod-filter-sep:nth-child(12) { display: none; }
  .prod-filter-sep { height: 1px; width: 100%; margin: 0 0 12px; }
  /* pdetail responsive 1024 */
  .pdetail-layout { flex-direction: column; }
  .pdetail-sidebar { width: 100%; margin-bottom: 30px; position: static; }
  .pdetail-sidebar-nav { display: flex; gap: 32px; }
  .pdetail-nav-item { margin-bottom: 0; }
  .pdetail-back { margin-top: 8px; display: inline-flex; }
  .pdetail-ov-layout { flex-direction: column; gap: 24px; }
  .pdetail-ov-img { width: 100%; max-width: 400px; }
}
@media (max-width: 768px) {
  .prod-banner { height: 260px; }
  .prod-banner-title { font-size: 22px; }
  .prod-banner-subtitle { font-size: 14px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .prod-card-info { height: 60px; padding: 0 12px; }
  .prod-card-name { font-size: 15px; }
  .prod-card-arrow { width: 28px; height: 28px; }
  .prod-filter-col { flex: 0 0 calc(50% - 6px); padding: 14px 10px 14px; }
  .prod-filter-main { font-size: 14px; }
  .prod-filter-sub { font-size: 12px; }
  .prod-grid-section { padding: 40px 0 0; }
  /* pdetail responsive 768 */
  .pdetail-title { font-size: 24px; margin-bottom: 30px; }
  .pdetail-section-title { font-size: 22px; margin-bottom: 20px; }
  .pdetail-section + .pdetail-section { margin-top: 40px; }
  .pdetail-app-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pdetail-btn-row { gap: 8px; }
  .pdetail-btn-outline { height: 36px; padding: 0 14px; font-size: 13px; }
  .pdetail-feature-list li { font-size: 14px; line-height: 26px; }
  .pdetail-ov-desc { font-size: 14px; line-height: 26px; }
  .pdetail-struct-text { font-size: 14px; line-height: 26px; }
  .pdetail-sidebar-nav { gap: 24px; }
  .pdetail-nav-link { font-size: 14px; }
}

/* ================================================================
   Contact Page (contact.html) - 严格按PSD 1:1切图
   ================================================================ */

.contact-page body { min-width: 1320px; overflow-x: auto; }
body:has(.contact-main) { min-width: 1320px; overflow-x: hidden; }
.contact-main { padding-top: var(--header-h); }

.contact-wrap {
  width: 1320px;
  margin: 0 auto;
  position: relative;
}

/* ----- Banner (PSD y=99~602, h=503) ----- */
.contact-banner {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  height: 503px;
  background: url('../images/contact/contact_56ce51f22f6f0380f52005f820314d22b495547880e77-m0vSX9.png') center top / cover no-repeat;
  position: relative;
  margin-bottom: 100px;
}
.contact-banner-inner {
  width: 1320px;
  margin: 0 auto;
  position: relative;
  height: 100%;
}
.contact-banner .cb-title {
  position: absolute;
  left: 0;
  top: 194px;
  font-size: 28px;
  font-weight: bold;
  color: #000;
  letter-spacing: 2px;
}
.contact-banner .cb-desc {
  position: absolute;
  left: 0;
  top: 234px;
  font-size: 16px;
  color: #000;
}

/* ----- Sidebar indicator on banner (from 栏目-联系.psd 矩形 21 拷贝) ----- */
.contact-banner .cb-sidebar {
  position: absolute;
  left: 768px;
  top: 0;
  width: 158px;
  height: 117px;
  background: #0555b5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-banner .cb-sidebar img {
  max-width: 90%;
  height: auto;
  display: block;
}

/* ----- Contact Info Section (PSD y=696~1160) ----- */
.contact-info {
  display: flex;
  gap: 31px;
  justify-content: center;
  background: #fff;
  margin-bottom: 80px;;
}
.contact-info .info-card-left,
.contact-info .info-card-right {
  width: 650px;
  padding: 0 0 22px;
}
.contact-info .info-card-left img,
.contact-info .info-card-right img {
  width: 100%;
  display: block;
}
.contact-info .info-bg-left,
.contact-info .info-bg-right {
  display: none;
}
.contact-info .info-title-left,
.contact-info .info-subtitle-left,
.contact-info .info-title-right,
.contact-info .info-subtitle-right {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin: 22px 0 0 3px;
}
.contact-info .info-address-left,
.contact-info .info-address-right {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  margin: 4px 0 0 3px;
}
.contact-info .info-zip-left,
.contact-info .info-zip-right,
.contact-info .info-email-left,
.contact-info .info-email-right {
  font-size: 14px;
  color: #666;
  margin: 2px 0 0 3px;
}

/* ----- Contact Details & Form (PSD y=1281~1704) ----- */
.contact-details {
  display: flex;
  gap: 70px;
  background: #fff;
  margin-bottom: 60px;
}
.contact-details .details-left {
  width: 600px;
  flex-shrink: 0;
}
.contact-details .detail-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  column-gap: 15px;
  row-gap: 0;
}
.contact-details .detail-item + .detail-item {
  margin-top: 40px;
}
.contact-details .detail-icon {
  grid-column: 1;
  grid-row: 1;
  width: 38px;
  height: 36px;
  align-self: start;
}
.contact-details .detail-title {
  grid-column: 2;
  grid-row: 1;
  font-size: 16px;
  font-weight: bold;
  color: #333;
  align-self: start;
  margin: 0;
}
.contact-details .detail-text {
  grid-column: 2;
  grid-row: 2;
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}
.contact-details .detail-line {
  grid-column: 1 / -1;
  grid-row: 3;
  height: 1px;
  background: #454545;
  margin: 30px 0 0;
}
.contact-details .detail-item:last-child .detail-line {
  display: none;
}

/* ----- Contact Form (在线留言) ----- */
.contact-form-wrap {
  width: 650px;
  flex-shrink: 0;
  background: #f5f5f5;
  padding: 32px 0 0;
  box-sizing: border-box;
  align-self: flex-start;
}
.contact-form-wrap .form-title {
  font-size: 20px;
  font-weight: bold;
  color: #0555b5;
  margin-bottom: 24px;
   padding:0 50px;
}
.contact-form-wrap .form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 18px;
  padding:0 50px;
}
.contact-form-wrap .form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.contact-form-wrap .form-group > span {
  font-size: 14px;
  color: #666;
  margin-bottom: 6px;
  font-weight: 800;
}
.contact-form-wrap .form-group input {
  height: 38px;
  border: 0;
  padding: 0 12px;
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  border-radius: 15px;
}
.contact-form-wrap .form-group.full {
  flex: none;
  width: 100%;
}
.contact-form-wrap .form-textarea {
  width: 100%;
  height: 110px;
  border: 0;
  padding: 8px 12px;
  font-size: 14px;
  resize: none;
  outline: none;
  box-sizing: border-box;
  border-radius: 15px;
}
.contact-form-wrap .form-btns {
  display: flex;
  margin-top: 6px;
}
.contact-form-wrap .form-btns .btn-reset:hover {
  opacity: 0.8;
}
.contact-form-wrap .form-btns .btn-submit:hover {
  opacity: 0.8;
}

.contact-form-wrap .form-btns button {
  flex: 1;
  height: 45px;
  border: none;
  font-size: 14px;
  cursor: pointer;
}
.contact-form-wrap .form-btns .btn-reset {
  background: #303030;
  color: #f0f0f0;
}
.contact-form-wrap .form-btns .btn-submit {
  background: #0555b5;
  color: #fff;
}

/* ----- Map Section (PSD y=1801~2320, h=519) ----- */
.contact-map {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  height: 519px;
  background: #f5f5f5;
  position: relative;
  overflow: hidden;
}
.contact-map .map-info {
  position: absolute;
  left: 792px;
  top: 146px;
  width: 479px;
  height: 227px;
  background: #fff;
  padding: 30px;
  box-sizing: border-box;
}
.contact-map .map-info-title {
  font-size: 16px;
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
}
.contact-map .map-info-address {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}
.contact-map .map-divider {
  position: absolute;
  left: 792px;
  top: 371px;
  width: 479px;
  height: 9px;
  background: #0555b5;
}

/* ================================================================
   About Page (about.html) - 按PSD 1:1切图
   ================================================================ */

body:has(.about-main) { min-width: 1320px; overflow-x: hidden; }

.about-main { margin-top: var(--header-h); }

.about-wrap {
  width: 1320px;
  margin: 0 auto;
  position: relative;
}

/* ===== Banner (PSD y=99~602) ===== */
.about-banner {
  height: 503px;
  background: url('../images/banner_bg.jpg') center top / cover no-repeat;
  position: relative;
  /* 突破 about-wrap 的 1320px 限制，背景全屏 */
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}
.about-banner .banner-inner {
  width: 1320px;
  margin: 0 auto;
  height: 100%;
  position: relative;
}
.about-banner .ab-title {
  position: absolute;
  left: 0;
  top: 194px;
  font-size: 28px;
  color: #000;
  letter-spacing: 2px;
}
.about-banner .ab-desc {
  position: absolute;
  left: 0;
  top: 234px;
  font-size: 16px;
  color: #000;
}

/* ===== Subnav (PSD y=599~675) ===== */
.about-subnav {
  height: 76px;
  position: sticky;
  top: var(--header-h);
  z-index: 100;
  margin-bottom: 140px;
}
/* 伪元素撑满全屏背景 */
.about-subnav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100%;
  background: #eee;
  z-index: -1;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.about-subnav .subnav-inner {
  width: 1320px;
  margin: 0 auto;
  height: 100%;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
}
.about-subnav a {
  font-size: 18px;
  color: #333;
  text-decoration: none;
  cursor: pointer;
  transition: color .25s;
}
.about-subnav a.active { color: #0555b5; }
.about-subnav a:hover { color: #0555b5; }
.about-subnav .nav-underline {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #0555b5;
  border-radius: 2px;
  transition: left .35s ease, width .35s ease;
}

/* ===== 企业简介 (PSD y=700~1923, h=1223) ===== */
.about-intro {
  background: #fff;
  box-sizing: border-box;
}

/* ---- 顶部区域: 标题 + SINCE 2005 ---- */
.about-intro .intro-top {
  margin-bottom: 209px; /* 间距: 本体底部(352) → 图片/描述(577) = 225, 减去下方 */
}
.about-intro .intro-title {
  font-size: 20px;
  color: #000;
  line-height: 1.4;
  margin: 0 0 57px 1px;
}
.about-intro .intro-since {
  font-size: 100px;
  color: #0555b5;
  
  letter-spacing: 2px;
}
.about-intro .intro-since span { color: #0555b5;font-weight: bold; }

/* ---- 主体两栏 ---- */
.about-intro .intro-body {
  display: flex;
  align-items: flex-start;
  margin-left: -128px; /* 左图撑到边缘 */
}
.about-intro .intro-left {
  flex: 0 0 550px;
}
.about-intro .intro-img {
  width: 712px;
  height: 531px;
  object-fit: cover;
  display: block;
}
.about-intro .intro-right {
  flex: 1;
  margin-left: 50px;
  min-width: 0;
}

/* 描述文字 */
.about-intro .intro-desc {
  font-size: 16px;
  color: #333;
  line-height: 1.8;
  margin-bottom: 60px;
}

/* 数据横条 */
.about-intro .intro-data-wrap {
  position: relative;
}
.about-intro .data-divider {
  height: 1px;
  background: #0555b5;
  margin-bottom: 28px;
}
.about-intro .data-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0;
}
.about-intro .data-vline {
  width: 1px;
  height: 47px;
  background: #0555b5;
  flex-shrink: 0;
  align-self: flex-start;
}
.about-intro .data-item {
  text-align: left;
}
.about-intro .num-data {
  font-size: 26px;
  color: #0555b5;
  line-height: 1;
  white-space: nowrap;
}
.about-intro .data-item .unit {
  font-size: 14px;
  color: #333;
  vertical-align: baseline;
  margin-left: 2px;
}
.about-intro .data-item .label {
  font-size: 14px;
  color: #888;
}

/* ===== 公司实力 (PSD y=1923~2884) ===== */

.biaoti-title {
  font-size: 36px;
  color: #333;
  font-weight: bold;
  text-align: center;
  margin-bottom: 80px;
}
.about-biaoti{
  width: 1320px;
  margin: 0 auto;
  padding-bottom: 120px;
  padding-top: 115px;
}


.about-strength {
  height: 961px;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.about-strength .strength-title {
  position: absolute;
  left: 646px;
  top: 88px;
  font-size: 36px;
  color: #333;
  font-weight: bold;
}
.about-strength .deco-shape1 {
  position: absolute;
  left: 343px;
  top: 82px;
  width: 691px;
  height: 755px;
  border: 1px solid #eff4fa;
  border-radius: 50%;
  opacity: 0.6;
}
.about-strength .deco-shape2 {
  position: absolute;
  left: 400px;
  top: 155px;
  width: 573px;
  height: 639px;
  border: 1px solid #eff4fa;
  border-radius: 50%;
  opacity: 0.4;
}
.about-strength .deco-circle1 {
  position: absolute;
  left: 475px;
  top: 265px;
  width: 449px;
  height: 449px;
  border: 1px solid #eff4fa;
  border-radius: 50%;
}
.about-strength .deco-circle2 {
  position: absolute;
  left: 485px;
  top: 275px;
  width: 429px;
  height: 429px;
  border: 1px solid #eff4fa;
  border-radius: 50%;
}
.about-strength .strength-img {
  position: absolute;
  left: 287px;
  top: 260px;
  width: 849px;
  height: 478px;
  object-fit: cover;
  border-radius: 4px;
}
.about-strength .divider-left {
  position: absolute;
  left: 129px;
  top: 660px;
  width: 314px;
  height: 4px;
  background: #eff4fa;
}
.about-strength .divider-right {
  position: absolute;
  left: 952px;
  top: 660px;
  width: 315px;
  height: 4px;
  background: #eff4fa;
}
.about-strength .feature { position: absolute; }
.about-strength .feature .icon-wrap {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-strength .feature .icon-wrap img {
  width: 25px;
  height: 25px;
}
.about-strength .feature .ft-title {
  font-size: 36px;
  color: #0555b5;
  font-weight: bold;
  margin-left: 80px;
}
.about-strength .feature .ft-desc {
  font-size: 18px;
  color: #333;
  margin-left: 80px;
  margin-top: 8px;
  line-height: 1.6;
}
.about-strength .ft1 { left: 126px; top: 622px; }
.about-strength .ft1 .icon-wrap { left: 0; top: 0; }
.about-strength .ft2 { left: 126px; top: 795px; }
.about-strength .ft2 .icon-wrap { left: 0; top: 0; }
.about-strength .ft3 { left: 968px; top: 622px; }
.about-strength .ft3 .icon-wrap { left: 0; top: 0; }
.about-strength .ft4 { left: 968px; top: 795px; }
.about-strength .ft4 .icon-wrap { left: 0; top: 0; }

/* ===== 企业文化 (PSD y=2884~3890, h=1006) ===== */
.about-culture {
  background: #eee;
  padding: 125px 0 130px;
  text-align: center;
  /* 突破 about-wrap 的 1320px 限制，背景全屏 */
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}
.about-culture .culture-inner {
  width: 1320px;
  margin: 0 auto;
}
.about-culture .culture-title {
  margin: 0 auto 57px;
}
.about-culture .culture-title img {
  width: 324px;
  height: 52px;
  margin: 0 auto;
}

/* ---- 2×2 网格 ---- */
.about-culture .culture-grid {
  display: grid;
  grid-template-columns: 660px 660px;
  gap: 0;
  justify-content: center;
}
.about-culture .culture-card {
  width: 660px;
  height: 256px;
  background: #fff;
  display: flex;
  align-items: flex-start;
  padding: 66px 40px 40px 24px;
  box-sizing: border-box;
  text-align: left;
}
.about-culture .culture-card-blue { background: #0555b5; }
.about-culture .culture-card-blue .card-title,
.about-culture .culture-card-blue .card-desc { color: #fff; }
.about-culture .culture-card-light { background: #dde8fa; }

/* 图标 */
.about-culture .card-icon-wrap {
  width: 53px;
  height: 53px;
  flex-shrink: 0;
  margin-right: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-culture .card-icon-wrap img {
  max-width: 100%;
  max-height: 100%;
}

/* 文字区 */
.about-culture .card-body {
  flex: 1;
  min-width: 0;
}
.about-culture .card-title {
  font-size: 30px;
  font-weight: normal;
  color: #333;
  margin: 0 0 10px;
  line-height: 1.1;
}
.about-culture .card-line {
  width: 32px;
  height: 3px;
  background: #0555b5;
  border-radius: 3px;
  margin-bottom: 10px;
}


.about-culture .card-line1 {
  width: 32px;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  margin-bottom: 10px;
}

.about-culture .card-desc {
  font-size: 16px;
  color: #333;
  line-height: 1.6;
  margin: 0;
  max-width: 415px;
}

/* Footer 覆盖 */
.about-page .footer { background: #262626 !important; }
.about-page .footer-col h4 { color: #fff !important; }
.about-page .footer-col a { color: #bbb !important; }
.about-page .footer-top { border-bottom-color: #444 !important; }
.about-page .footer-col h4::after { background: #444 !important; }

/* ===== 荣誉资质 (PSD y=3890~4420, h=588) ===== */
.about-certs {
  background: #fff;
  padding: 90px 0 90px;
  text-align: center;
}
.about-certs .certs-title {
  font-size: 36px;
  color: #333;
  margin-bottom: 50px;
}

/* ---- TAB 栏 ---- */
.about-certs .certs-tab-bar {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 100px;
  margin: 0 auto 50px;
}
.about-certs .certs-tab {
  background: transparent;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: #333;
  padding: 0;
  transition: color .3s;
  white-space: nowrap;
}
.about-certs .certs-tab.active { color: #0555b5; }
.about-certs .certs-tab-line {
  position: absolute;
  bottom: -10px;
  height: 2px;
  background: #0555b5;
  border-radius: 2px;
  transition: left .35s cubic-bezier(.4,0,.2,1),
              width .35s cubic-bezier(.4,0,.2,1);
}

/* ---- 轮播容器 ---- */
.about-certs .certs-carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  box-sizing: border-box;
}
.about-certs .cert-viewport {
  overflow: hidden;
  flex: 1;
}
.about-certs .cert-track {
  display: flex;
  gap: 24px;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.about-certs .cert-item {
  width: 280px;
  height: 350px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  border:2px solid #eeeeee
}
.about-certs .cert-item:hover {
  border:2px solid #0555b5
}
.about-certs .cert-item img {
  width: 220px;
  height: 310px;
  object-fit: contain;
}


/* 箭头 */
.about-certs .cert-arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #f5f5f5;
  border: 1px solid #e0e0e0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
  flex-shrink: 0;
  font-size: 16px;
  font-weight: 600;
  color: #666;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(0,0,0,.06);
}
.about-certs .cert-arrow-left::before { content: '‹'; font-size: 40px; padding-bottom: 8px; }
.about-certs .cert-arrow-right::before { content: '›'; font-size: 40px; padding-bottom: 8px; padding-left:4px}
.about-certs .cert-arrow:hover { background: #0555b5; color: #fff; border-color: #0555b5; box-shadow: 0 4px 12px rgba(5,85,181,.3); }
.about-certs .cert-arrow:disabled { opacity: .35; cursor: default; pointer-events: none; }
.about-certs .cert-arrow:disabled:hover { background: #f5f5f5; color: #666; border-color: #e0e0e0; box-shadow: 0 2px 6px rgba(0,0,0,.06); }
.about-certs .cert-arrow-left { margin-right: 18px; }
.about-certs .cert-arrow-right { margin-left: 18px; }

/* ===== 视频中心页面 ===== */
/* ===== 视频分类 (PSD: 矩形27, y=779~859, 1145x80) ===== */
.video-categories {
  width: 1320px;
  height: 80px;
  margin: 0 auto;
  background: #fff;
  display: flex;
  align-items: center;
  padding: 0;
  box-shadow: 0 0 13px rgba(50, 111, 194, 0.19);
  border-radius: 10px;
  margin-bottom: 80px;
}
.video-categories .cat-cell {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
.video-categories .cat-btn {
  display: inline-block;
  font-size: 18px;
  color: #333;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  padding: 12px 26px;
  line-height: 1;
  border-radius: 10px;
  transition: all .25s;
}
.video-categories .cat-btn.active {
  background: #0555b5;
  color: #fff;
}

/* ===== 视频列表 (PSD: 矩形28拷贝, 3列 grid) ===== */
.video-list {
  width: 100%;
  padding: 0 0 60px;
  background: #fff;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
}
.video-card {
  width: 100%;
  height: 340px;
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1px solid #c6c6c6;
  border-radius: 10px;
}
.video-card .thumb {
  width: 100%;
  height: 262px;
  background: #ddd;
  position: relative;
  overflow: hidden;
}
.video-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-card .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 37px;
  height: 37px;
  background: rgba(255,255,255,0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s;
}
.video-card .play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 10px solid #333;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-left: 3px;
}
.video-card:hover .play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  background: rgba(255,255,255,1);
}
.video-card .vc-title {
  padding: 18px 30px 0 16px;
  font-size: 16px;
  color: #0555b5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-weight: bold;
}
.video-card .vc-title > span:first-child {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.video-card .vc-title .news-arrow {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: all .3s;
  background: #0555b5;
}
.video-card:hover .vc-title .news-arrow {
  background: #ddd;
  color: #fff;
}
.video-card .vc-title .news-arrow svg {
  width: 14px; height: 14px;
}

/* ===== 分页 (PSD: y=1992~2030) ===== */
/* ===== 分页 (同 cases.html) ===== */
.video-pagination {
  width: 100%;
  padding: 0 40px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
}
.video-pagination .page-arrow {
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: #999;
  cursor: pointer;
  transition: all .3s;
}
.video-pagination .page-arrow svg { width: 25px; height: 25px; }
.video-pagination .page-arrow:hover { color: #0555B5; }
.video-pagination .page-next { color: #0555B5; }
.video-pagination .page-arrow[disabled],
.video-pagination .page-arrow:disabled {
  opacity: 0.8;
  cursor: not-allowed;
  pointer-events: none;
}
.video-pagination .page-num {
  min-width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 2px;
  background: transparent;
  color: #666;
  font-size: 14px;
  cursor: pointer;
  transition: all .3s;
  padding: 0 4px;
}
.video-pagination .page-num:hover {
  color: #0555B5;
  background: #f2f2f2;
}
.video-pagination .page-num.active {
  background: #f2f2f2;
  color: #0555B5;
  font-weight: 500;
  min-width: 28px;
  height: 28px;
  border-radius: 3px;
}

/* Footer 覆盖 */
.footer { background: #262626 !important; }
.footer-col h4 { color: #fff !important; }
.footer-col a { color: #bbb !important; }
.footer-top { border-bottom-color: #444 !important; }
.footer-col h4::after { background: #444 !important; }

/* ===== 新闻资讯页面 ===== */
body:has(.news-main) { min-width: 1320px; overflow-x: hidden; }
.news-main { margin-top: var(--header-h); }
.news-wrap { width: 1320px; margin: 0 auto; position: relative; }

/* Banner（全屏背景，内容1320居中） */
.news-banner {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  height: 503px;
  background: url('../images/newsbg.png') center top / cover no-repeat;
  position: relative;
}
.news-banner-inner {
  width: 1320px;
  margin: 0 auto;
  position: relative;
  height: 100%;
}
.news-banner .nb-title {
  position: absolute; left: 0; top: 194px;
  font-size: 28px; font-weight: bold; color: #000; letter-spacing: 2px;
}
.news-banner .nb-desc {
  position: absolute; left: 0; top: 234px;
  font-size: 16px; color: #000;
}

/* Breadcrumb */
.news-breadcrumb {
  height: 60px; 
  display: flex; align-items: center;
  font-size: 14px; color: #666;
}
.news-breadcrumb a { color: #666; transition: color .2s; }
.news-breadcrumb a:hover { color: #0555b5; }
.news-breadcrumb .sep { margin: 0 6px; color: #999; }

/* Category Tabs */
.news-tabs {
  height: 76px; background: #fff;
  display: flex; align-items: center; 
  gap: 20px; 
  
}
.news-tabs .tab-btn {
  padding: 0 24px; height: 40px; line-height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: #333; background: transparent;
  border: none; cursor: pointer; transition: all .3s;
  border-radius: 20px;
  white-space: nowrap;
}
.news-tabs .tab-btn.active { background: #0555b5; color: #fff; }
.news-tabs .tab-btn:hover:not(.active) { color: #0555b5; }

/* News List */
.news-list { background: #fff; padding: 40px 0; }
.news-item {
  display: flex; gap: 30px; padding: 30px 50px;
  border-radius: 8px;
  transition: all .3s;
}
.news-item:hover {
  background: #f7f7f7;
  box-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.news-item .news-img {
  width: 268px; height: 160px; flex-shrink: 0;
  object-fit: cover; background: #f5f5f5;
}
.news-item .news-content {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
}
.news-item .news-title {
  font-size: 18px; font-weight: bold; color: #333;
  line-height: 1.4;
}
.news-item .news-date { font-size: 14px; color: #000; margin-bottom: 12px; }
.news-item .news-desc { font-size: 14px; color: #666; line-height: 1.8; }
.news-item .news-arrow {
  width: 55px; height: 55px; flex-shrink: 0; align-self: center;
  background: #f5f5f5; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .3s;
  border: none;
}
.news-item:hover .news-arrow { background: #0555b5; }
.news-item .news-arrow svg { width: 20px; height: 20px; color: #999; transition: color .3s; }
.news-item:hover .news-arrow svg { color: #fff; }

/* Pagination */
.news-pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; padding: 40px 0 80px;
  background: #fff;
}
/* ThinkPHP 分页容器 */
.news-pagination .fenye {
  display: flex; align-items: center; justify-content: center;
  gap: 10px;
}
/* 上一页/下一页 */
.news-pagination .prev,
.news-pagination .next {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: none; background: transparent;
  color: #999; cursor: pointer; transition: all .3s;
  font-size: 0; /* 隐藏 << >> 文字 */
}
.news-pagination .prev::before { content: '‹'; font-size: 24px; }
.news-pagination .next::before { content: '›'; font-size: 24px; color: #0555b5; }
.news-pagination .prev:hover { color: #0555b5; }
.news-pagination .next:hover { color: #0555b5; }
/* 页码数字 */
.news-pagination .num {
  min-width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: none; border-radius: 2px; background: transparent;
  color: #666; font-size: 14px; cursor: pointer; transition: all .3s;
  padding: 0 4px; text-decoration: none;
}
.news-pagination .num:hover {
  color: #0555b5; background: #f2f2f2;
}
/* 当前页 */
.news-pagination .current {
  background: #f2f2f2; color: #0555b5; font-weight: 500;
  min-width: 28px; height: 28px; border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px; font-size: 14px;
}

/* ===== 新闻详情页面 ===== */
body:has(.nd-main) { min-width: 1320px; overflow-x: hidden; }
.nd-main { margin-top: var(--header-h); }
.nd-wrap { width: 1320px; margin: 0 auto; position: relative; }

/* Banner（全屏背景，内容1320居中） */
.nd-banner {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  height: 503px;
  background: url('../images/newsbg2.png') center top / cover no-repeat;
  position: relative;
}
.nd-banner-inner {
  width: 1320px; margin: 0 auto;
  position: relative; height: 100%;
}
.nd-banner .ndb-title {
  position: absolute; left: 0; top: 194px;
  font-size: 28px; font-weight: bold; color: #000; letter-spacing: 2px;
}
.nd-banner .ndb-desc {
  position: absolute; left: 0; top: 234px;
  font-size: 16px; color: #000;
}

/* Article Title */
.nd-article-title {
  padding: 100px 0 30px;
  font-size: 28px; font-weight: bold; color: #333;
  line-height: 1.4; text-align: center;
}

/* Article Tags */
.nd-article-tags {
  display: flex; align-items: center; justify-content: center;
  gap: 15px; padding-bottom: 30px;
}
.nd-article-tags .tag-label {
  padding: 3px 16px; background: #e5e5e5; color: #0555B5; font-size: 14px;
}
.nd-article-tags .tag-date { font-size: 14px; color: #999; }

/* Article Divider */
.nd-article-divider {
  margin: 0;
  height: 1px; background: #c6c6c6;
}

/* Article Content */
.nd-article-content {
  padding: 40px 0;
  font-size: 16px; color: #333; line-height: 2;
}
.nd-article-content p { margin-bottom: 20px; }

/* Article Images */
.nd-article-images {
  padding: 0 0 40px;
  display: flex; flex-direction: column; gap: 30px;
}
.nd-article-images img { width: 100%; height: auto; object-fit: cover; }

/* About Baite */
.nd-about-baite {
  padding: 40px 0; 
}
.nd-about-baite .about-title {
  font-size: 18px; font-weight: bold; color: #333; margin-bottom: 20px;
}
.nd-about-baite .about-desc {
  font-size: 14px; color: #666; line-height: 2;
}

/* Prev/Next */
.nd-prev-next {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; padding: 40px 0 80px;
}
.nd-prev-next a {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; font-size: 14px; color: #666;
  border: 1px solid #ddd; transition: all .3s;
}
.nd-prev-next a:hover { border-color: #0555b5; color: #0555b5; }

/* ===== 视频详情页 ===== */
.video-detail-page { min-width: 1320px; }
.video-detail-main { margin-top: var(--header-h); }
.video-detail-wrap {
  width: 1320px;
  margin: 0 auto;
  position: relative;
}
/* Banner */
.video-detail-banner {
  height: 503px;
  background: url('../关于我们/images/banner_bg.jpg') center top / cover no-repeat;
  position: relative;
}
.video-detail-banner .vdb-title {
  position: absolute; left: 0; top: 194px;
  font-size: 28px; font-weight: bold; color: #000; letter-spacing: 2px;
}
.video-detail-banner .vdb-desc {
  position: absolute; left: 0; top: 235px;
  font-size: 16px; color: #000;
}
/* Subnav */
.video-detail-subnav {
  height: 76px;
  position: sticky;
  top: var(--header-h);
  z-index: 100;
  margin-bottom: 0;
}
.video-detail-subnav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100%;
  background: #eee;
  z-index: -1;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.video-detail-subnav .subnav-inner {
  width: 1320px;
  margin: 0 auto;
  height: 100%;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
}
.video-detail-subnav a {
  font-size: 18px;
  color: #333;
  text-decoration: none;
  cursor: pointer;
  transition: color .25s;
}
.video-detail-subnav a.active { color: #0555b5; }
.video-detail-subnav a:hover { color: #0555b5; }
.video-detail-subnav .nav-underline {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #0555b5;
  border-radius: 2px;
  transition: left .35s ease, width .35s ease;
}
/* 视频详情 */
.video-detail-section {
  background: #fff; position: relative; padding: 88px 177px 0;
}
.video-detail-section .vd-title {
  font-size: 28px; color: #333; font-weight: bold; line-height: 1.4;
  text-align: center;
}
.video-detail-section .vd-desc {
  margin-top: 37px; font-size: 16px; color: #666; line-height: 1.6;
   text-align: center;
}
.video-detail-section .vd-player {
  margin-top: 50px; width: 967px; height: 544px;
  background: #000; border-radius: 4px;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.video-detail-section .vd-player .play-overlay {
  width: 80px; height: 80px; background: rgba(255,255,255,0.85);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: transform .25s;
}
.video-detail-section .vd-player .play-overlay:hover {
  transform: scale(1.1); background: rgba(255,255,255,1);
}
.video-detail-section .vd-player .play-overlay::after {
  content: ''; width: 0; height: 0;
  border-left: 24px solid #333;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  margin-left: 6px;
}
.video-detail-section .vd-nav {
  margin-top: 55px; display: flex; justify-content: flex-end;
  gap: 22px; padding-bottom: 60px;
}
.video-detail-section .vd-nav-btn {
  width: 132px; height: 50px; border: 1px solid #ddd; background: #fff;
  color: #333; font-size: 14px; cursor: pointer; border-radius: 4px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all .25s;
}
.video-detail-section .vd-nav-btn:hover { border-color: #0555b5; color: #0555b5; }
/* 相关视频 */
.video-related {
  background: #fff; position: relative; padding: 0 127px 60px;
}
.video-related .vr-title {
  font-size: 28px; color: #333; font-weight: bold; margin-bottom: 30px;
}
.video-related .vr-pagination {
  display: flex; justify-content: center; align-items: center; gap: 12px; margin-bottom: 20px;
}
.video-related .vr-page-btn {
  width: 33px; height: 33px; border: 1px solid #ddd; background: #fff;
  color: #333; font-size: 14px; cursor: pointer; border-radius: 4px;
  display: flex; align-items: center; justify-content: center; transition: all .25s;
}
.video-related .vr-page-btn.active { background: #0555b5; color: #fff; border-color: #0555b5; }
.video-related .vr-page-btn:hover:not(.active) { border-color: #0555b5; color: #0555b5; }
.video-related .vr-page-arrow {
  width: 33px; height: 33px; border: none; background: transparent;
  cursor: pointer; font-size: 18px; color: #999;
}
.video-related .vr-list {
  display: grid; grid-template-columns: repeat(3, 373px); gap: 13px;
}
.video-related .vr-card {
  width: 373px; height: 284px; border-radius: 4px;
  overflow: hidden; position: relative; cursor: pointer;
}
.video-related .vr-card .thumb {
  width: 100%; height: 228px; background: #ddd;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.video-related .vr-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.video-related .vr-card .play-btn {
  position: absolute; width: 37px; height: 37px;
  background: rgba(255,255,255,0.85); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform .25s;
}
.video-related .vr-card .play-btn::after {
  content: ''; width: 0; height: 0;
  border-left: 10px solid #333;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-left: 3px;
}
.video-related .vr-card:hover .play-btn { transform: scale(1.1); background: rgba(255,255,255,1); }
.video-related .vr-card .vr-card-title {
  padding: 15px 0; font-size: 14px; color: #747474;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ===== uc-content 通用容器（替代 main.css） ===== */
.uc-content {
  width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== uc-blue 文字颜色（替代 main.css） ===== */
.uc-blue {
  color: #0555b5 !important;
}

/* ===== g-bannerBox 通用 banner（替代 main.css） ===== */
.g-bannerBox {
  height: 650px;
  position: relative;
}
.g-bannerBox img {
  object-fit: cover;
  width: 100%;
  height: 100%;
  display: block;
}
.g-bannerBox .box {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  color: #fff;
}
.g-bannerBox h2 {
  font-size: 48px;
  font-weight: bold;
}
.g-bannerBox .con {
  font-size: 20px;
  line-height: 1.5em;
  margin-top: 25px;
}

/* ===== uc-btn 通用按钮（替代 main.css） ===== */
.uc-btn {
  cursor: pointer;
  outline: none;
  transition: all 0.3s linear;
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  height: 30px;
  border-radius: 0;
  padding: 0 10px;
  text-decoration: none;
  border: none;
}
.uc-btn:hover { opacity: 0.8; }
.uc-btn.blue {
  background-color: #0555b5;
  border: #0555b5 1px solid;
  color: #fff;
}

/* ===== 视频详情页 operate 按钮 ===== */
.uc-videoDetail .operate {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  padding-top: 40px;
}
.uc-videoDetail .operate .uc-btn {
  width: 160px;
  border-radius: 40px;
  height: 40px;
  font-size: 16px;
  margin-left: 10px;
}

/* ===== 视频详情页 - Footer 覆盖 ===== */
.video-detail-main ~ .footer { background: #262626 !important; }
.video-detail-main ~ .footer .footer-col h4 { color: #fff !important; }
.video-detail-main ~ .footer .footer-col a { color: #bbb !important; }
.video-detail-main ~ .footer .footer-top { border-bottom-color: #444 !important; }
.video-detail-main ~ .footer .footer-col h4::after { background: #444 !important; }




.g-centerMenu {
  padding: 30px 0;
}
.g-centerMenu .uc-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  line-height: 50px;
}
.g-centerMenu .item {
  font-size: 16px;
  border-bottom: #fff 1px solid;
  margin-left: 30px;
}
.g-centerMenu .item:first-child {
  margin-left: 0;
}
.g-centerMenu .item.on {
  border-bottom-color: #0555b5;
}


/* |06|视频中心-详情|videoDetail| */
.uc-videoDetail h1 {
  font-size: 40px;
  line-height: 1.5em;
  font-weight: bold;
  margin-bottom: 40px;
}
.uc-videoDetail .info {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
}
.uc-videoDetail .info li {
  margin-bottom: 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  margin-right: 50px;
  color: #666666;
}
.uc-videoDetail .info li:last-child {
  margin-right: 0;
}
.uc-videoDetail .info img {
  display: block;
  margin-right: 5px;
  width: 24px;
}
.uc-videoDetail .main {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
}
.uc-videoDetail .main-left {
  margin-right: 50px;
  flex: 1;
  min-width: 0;
}
.uc-videoDetail .video-box {
  margin-bottom: 40px;
}
.uc-videoDetail video {
  background-color: #000;
  height: 600px;
}
.uc-videoDetail .share {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 40px;
}
.uc-videoDetail .share img {
  display: block;
}
.uc-videoDetail .share .item {
  display: block;
  width: 40px;
  border-radius: 100%;
  height: 40px;
  border: #d6d6d6 1px solid;
  margin-right: 20px;
}
.uc-videoDetail .share .item img {
  width: 100%;
  height: 100%;
  display: block;
  -o-object-fit: cover;
     object-fit: cover;
}
.uc-videoDetail .share .item .i2 {
  display: none;
}
.uc-videoDetail .share .item:hover .i1 {
  display: none;
}
.uc-videoDetail .share .item:hover .i2 {
  display: block;
}
.uc-videoDetail .box {
  text-align: justify;
  line-height: 2em;
  font-size: 16px;
}
.uc-videoDetail .box .sub-title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 20px;
}
.uc-videoDetail .box p {
  margin-bottom: 2em;
}
.uc-videoDetail .box img {
  display: block;
  margin: 0 auto 2em;
  max-width: 100%;
}
.uc-videoDetail .operate {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  padding-top: 40px;
}
.uc-videoDetail .operate .uc-btn {
  width: 160px;
  border-radius: 40px;
  height: 40px;
  font-size: 16px;
  margin-left: 10px;
}
.uc-videoDetail .side-menu {
  width: 300px;
}
.uc-videoDetail .side-menu .hd {
  font-size: 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: bold;
  padding: 24px 0;
}
.uc-videoDetail .side-menu .hd:first-child {
  padding-top: 0;
}
.uc-videoDetail .side-menu .item {
  display: block;
  color: #5f5f5f;
  font-size: 14px;
  line-height: 24px;
  margin-bottom: 24px;
}
.uc-videoDetail .side-menu .item .img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  margin-bottom: 15px;
}
.uc-videoDetail .side-menu .item .img img {
  width: 100%;
  height: 100%;
  display: block;
  -o-object-fit: cover;
     object-fit: cover;
}
.uc-videoDetail .side-menu .item .img img {
  transition: all 0.3s linear;
}
.uc-videoDetail .side-menu .item .img:hover img {
  transform: scale(1.1, 1.1);
}
.uc-videoDetail .side-menu .line {
  height: 1px;
  background-color: #d6d6d6;
}





/* ========== 右侧悬浮侧栏 ========== */
.sidebar-right {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
}
.sidebar-right .sidebar-inner {
  position: relative;
  width: 64px;
  background: #0555b5;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: -2px 2px 12px rgba(0,0,0,.12);
}
.sidebar-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 64px;
  padding: 16px 0 14px;
  color: #fff;
  font-size: 11px;
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.2);
  transition: background .25s;
  line-height: 1;
  position: relative;
  box-sizing: border-box;
}
.sidebar-btn:last-child { border-bottom: none; }
.sidebar-btn:hover { background: #044a9c; }
.sidebar-btn svg {
  display: block;
  flex-shrink: 0;
  margin-bottom: 5px;
}
.sidebar-btn span {
  font-size: 11px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.sidebar-qr-panel {
  position: absolute;
  right: calc(100% + 8px);
  top: 0;
  width: 160px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 16px rgba(0,0,0,.12);
  padding: 16px 12px;
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
  transform: translateX(10px);
  pointer-events: none;
}
.sidebar-qr-panel.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}
.sidebar-qr-panel::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 24px;
  width: 0; height: 0;
  border-left: 6px solid #fff;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}
.sidebar-qr-panel .qr-item {
  text-align: center;
  margin-bottom: 12px;
}
.sidebar-qr-panel .qr-item:last-child { margin-bottom: 0; }
.sidebar-qr-panel .qr-item img {
  width: 120px; height: 120px;
  display: block;
  margin: 0 auto 6px;
  border-radius: 4px;
  object-fit: cover;
}
.sidebar-qr-panel .qr-item span {
  font-size: 12px;
  color: #333;
}

@media (max-width: 768px) {
  .sidebar-right { display: none; }
}