/* ============================================
   全站基础样式
   色系: 深蓝色主色 + 青绿色强调色
   ============================================ */

:root {
  --zd-primary: #004da1;
  --zd-primary-light: #1565c0;
  --zd-primary-hover: #1a73e8;
  --zd-accent: #00823e;
  --zd-accent-light: #00823e;
  --zd-dark: #000;
  --zd-text: #2d2d3f;
  --zd-text-light: #5a5a72;
  --zd-white: #ffffff;
  --zd-bg: #f8f9fa;
  --zd-border: #e0e4ea;
  --zd-header-height: 80px;
  --zd-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  visibility: visible;
  font-family: 'pingfang SC','microsoft yahei','微软雅黑',arial,sans-serif;
  color: var(--zd-text);
  overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 {
  font-weight: 600;
  color: var(--zd-dark);
}

p { margin-bottom: 5px; }
ul,li { list-style: none; }
ul { padding-left: 0px; }
a { text-decoration: none !important; }
a:hover { color: var(--zd-primary); }

.pc { display: block; }
@media(max-width:992px) {
  .pc { display: none; }
}

.w-90 {
  width: 90%;
  max-width: 1600px;
  margin: 0 auto;
}

.btn:focus,
.btn:active,
.form-control:focus {
  outline: none;
  box-shadow: none;
  border: none;
}

/* ============================================
   导航栏样式 - 完全匹配参考图设计
   ============================================ */

/* Header 容器 - 全宽白底 */
.zd-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--zd-header-height);
  background: var(--zd-white);
  z-index: 1000;
  transition: background var(--zd-transition), box-shadow var(--zd-transition);
}

.zd-header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.zd-header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 50px;
  width: 100%;
  box-sizing: border-box;
}

/* Logo */
.zd-logo {
  flex-shrink: 0;
  margin-right: 40px;
}

.zd-logo a {
  display: flex;
  align-items: center;
  transition: transform var(--zd-transition);
}

.zd-logo a:hover {
  transform: scale(1.02);
}

.zd-logo-img {
  height: 56px;
  width: auto;
  display: block;
  transition: transform var(--zd-transition);
}

/* 主导航 - 居中水平排列 */
.zd-nav {
  display: flex;
  align-items: center;
  height: 100%;
  flex: 1;
  min-width: 0;
  position: relative;
  transition: padding 0.3s ease;
}

.zd-nav.nav-overflow {
  padding: 0 34px;
}

.zd-nav-track {
  display: flex;
  align-items: center;
  height: 100%;
  flex: 1;
  min-width: 0;
  overflow-x: clip;
  overflow-y: visible;
  position: relative;
  justify-content: center;
}

.zd-nav-items-wrap {
  display: flex;
  align-items: center;
  height: 100%;
  justify-content: center;
  white-space: nowrap;
  transition: transform 0.35s ease;
}

.zd-nav.nav-overflow .zd-nav-track {
  justify-content: flex-start;
}

.zd-nav.nav-overflow .zd-nav-items-wrap {
  justify-content: flex-start;
}

.zd-nav-scroll-arrow {
  display: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  border: none;
  background: var(--zd-accent);
  color: var(--zd-white);
  border-radius: 50%;
  cursor: pointer;
  z-index: 20;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
  transition: background 0.3s ease;
}

.zd-nav-scroll-arrow.visible {
  display: flex;
}

.zd-nav-scroll-arrow:hover {
  background: var(--zd-accent-light);
}

.zd-nav-scroll-prev {
  left: 4px;
}

.zd-nav-scroll-next {
  right: 4px;
}

.zd-nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.zd-nav-link {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 0 24px;
  height: 100%;
  font-size: 16px;
  font-weight: 500;
  color: var(--zd-dark);
  transition: color var(--zd-transition);
  position: relative;
  white-space: nowrap;
}

.zd-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: var(--zd-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--zd-transition);
}

.zd-nav-link:hover::after {
  transform: scaleX(1);
}

.zd-nav-link:hover {
  color: var(--zd-dark);
}

.zd-nav-item.active .zd-nav-link::after {
  transform: scaleX(1);
}

.zd-nav-item.active .zd-nav-link {
  color: var(--zd-dark);
  font-weight: 600;
}

/* 导航箭头 + 号 */
.zd-nav-arrow {
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
  display: none;
  transition: transform var(--zd-transition);
  color: var(--zd-dark);
}

.zd-nav-item[data-has-sub="0"] .zd-nav-arrow,
.zd-nav-item[data-has-sub=""] .zd-nav-arrow {
  display: none;
}

.zd-nav-item:not([data-has-sub="0"]):not([data-has-sub=""]) .zd-nav-arrow {
  display: inline-flex;
  align-items: center;
}

/* 下拉菜单 - 白色面板 + 轻微阴影 */
.zd-nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: var(--zd-white);
  border-radius: 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  z-index: 100;
}

/* dropdown 显示/隐藏由 GSAP 动画控制，避免冲突 */

.zd-nav-dropdown:empty {
  display: none;
}

.zd-nav-sublink {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--zd-dark);
  transition: color var(--zd-transition), background var(--zd-transition);
}

.zd-nav-sublink:hover {
  color: var(--zd-accent);
  background: #f5f5f5;
}

/* 右侧功能区 - 贴右边缘 */
.zd-header-right {
  display: flex;
  align-items: stretch;
  height: 100%;
  flex-shrink: 0;
  margin-left: auto;
}

.zd-header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  font-size: 14px;
  color: var(--zd-dark);
  font-weight: 500;
  white-space: nowrap;
}

.zd-header-phone i {
  color: var(--zd-accent);
  font-size: 15px;
}

.zd-header-langs {
  display: flex;
  align-items: stretch;
  margin-right: -50px;
  background: var(--zd-accent);
  position: relative;
}

.zd-header-langs::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.zd-header-lang {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  color: var(--zd-white);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

.zd-header-lang + .zd-header-lang {
  border-left: 1px solid rgba(255,255,255,0.25);
}

.zd-header-lang:hover {
  background: rgba(0,0,0,0.15);
  color: var(--zd-white);
}

/* 汉堡菜单按钮 */
.zd-hamburger {
  display: none;
  width: 30px;
  height: 24px;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  z-index: 1100;
}

.zd-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--zd-dark);
  transition: transform var(--zd-transition), opacity var(--zd-transition);
  transform-origin: center;
}

.zd-hamburger.open span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

.zd-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.zd-hamburger.open span:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* 移动端菜单面板 */
.zd-mobile-menu {
  position: fixed;
  top: var(--zd-header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--zd-header-height));
  background: var(--zd-white);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  overflow-y: auto;
}

.zd-mobile-menu.open {
  transform: translateX(0);
}

.zd-mobile-menu-inner {
  padding: 30px 24px;
}

.zd-mobile-nav-item {
  border-bottom: 1px solid var(--zd-border);
}

.zd-mobile-nav-link {
  display: block;
  padding: 16px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--zd-text);
  transition: color var(--zd-transition);
}

.zd-mobile-nav-item.active .zd-mobile-nav-link {
  color: var(--zd-primary);
}

.zd-mobile-nav-link:hover {
  color: var(--zd-primary);
}

.zd-mobile-subnav {
  padding: 0 16px 8px;
}

.zd-mobile-sublink {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  color: var(--zd-text-light);
  transition: color var(--zd-transition);
}

.zd-mobile-sublink:hover {
  color: var(--zd-primary);
}

.zd-mobile-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 24px;
}

.zd-mobile-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--zd-dark);
  font-weight: 500;
}

.zd-mobile-phone i {
  color: var(--zd-accent);
}

.zd-mobile-langs {
  display: flex;
  gap: 10px;
}

.zd-mobile-lang {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--zd-accent);
  color: var(--zd-white);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 4px;
  transition: background var(--zd-transition);
  text-decoration: none;
}

.zd-mobile-lang:hover {
  background: var(--zd-accent-light);
  color: var(--zd-white);
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1400px) {
  .zd-header-inner {
    padding: 0 30px;
  }
  .zd-nav-link {
    padding: 0 20px;
    font-size: 14px;
  }
  .zd-logo {
    margin-right: 24px;
  }
  .zd-logo-img {
    height: 40px;
  }
  .zd-header-phone {
    padding: 0 14px;
  }
  .zd-header-langs {
    margin-right: -30px;
  }
  .zd-header-lang {
    padding: 0 16px;
  }
}

@media (max-width: 1100px) {
  .zd-header-inner {
    padding: 0 24px;
  }
  .zd-nav-link {
    padding: 0 16px;
    font-size: 13px;
  }
  .zd-logo-img {
    height: 36px;
  }
  .zd-header-phone {
    padding: 0 12px;
    font-size: 13px;
  }
  .zd-header-langs {
    margin-right: -24px;
  }
  .zd-header-lang {
    padding: 0 12px;
    font-size: 12px;
  }
}

@media (max-width: 992px) {
  :root {
    --zd-header-height: 64px;
  }

  .zd-nav,
  .zd-header-right {
    display: none;
  }

  .zd-hamburger {
    display: flex;
    margin-left: auto;
  }

  .zd-logo {
    margin-right: 0;
  }

  .zd-logo-img {
    height: 36px;
  }

  .zd-header-inner {
    padding: 0 16px;
  }
}

@media (max-width: 576px) {
  .zd-logo-img {
    height: 30px;
  }
}

/* body 顶部留出导航栏高度 */
body {
  padding-top: var(--zd-header-height);
}

/* ============================================
   Banner 轮播
   ============================================ */

.zd-banner {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.zd-banner-swiper {
  width: 100%;
}

.zd-banner-swiper .swiper-slide {
  line-height: 0;
}

.zd-banner-swiper .swiper-slide img {
  width: 100%;
  height: auto;
  display: block;
}

/* Banner 左右切换按钮 */
.zd-banner-prev,
.zd-banner-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.25);
  color: #333;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  transition: background var(--zd-transition), color var(--zd-transition), transform var(--zd-transition);
  border-radius: 50%;
  opacity: 0;
}

/* Banner 分页指示器 */
.zd-banner-pagination {
  position: absolute !important;
  bottom: 50px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: auto !important;
  z-index: 10;
  display: flex;
  gap: 10px;
}



.zd-banner-pagination .zd-banner-bullet {
  width: 12px;
  height: 12px;
  background: rgba(0, 130, 62, 0.25);
  border-radius: 50%;
  opacity: 1;
  margin: 0;
  transition: all 0.3s ease;
  cursor: pointer;
  display: block;
}

.zd-banner-pagination .zd-banner-bullet-active {
  width: 36px;
  border-radius: 6px;
  background: #00823e;
}

@media (max-width: 768px){
  .zd-banner-pagination{
    bottom: 10px !important;
  }
  .zd-banner-pagination .zd-banner-bullet{
    width: 8px;
    height: 8px;
  }
  .zd-banner-pagination .zd-banner-bullet-active{
    width: 24px;
  }
}

.zd-banner:hover .zd-banner-prev,
.zd-banner:hover .zd-banner-next {
  opacity: 1;
}

.zd-banner-prev {
  left: 24px;
}

.zd-banner-next {
  right: 24px;
}

.zd-banner-prev:hover,
.zd-banner-next:hover {
  background: var(--zd-white);
  color: var(--zd-primary);
  transform: translateY(-50%) scale(1.1);
}

/* Banner 右下角滚动指示器 */
.zd-banner-scroll {
  position: absolute;
  right: 40px;
  bottom: 60px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: transform 0.3s ease;
}

.zd-banner-scroll:hover {
  transform: scale(1.08);
}

.zd-banner-scroll-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.zd-banner-scroll-track {
  fill: none;
  stroke: rgba(255,255,255,0.35);
  stroke-width: 1.5;
}

.zd-banner-scroll-progress {
  fill: none;
  stroke: var(--zd-accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 75 226;
  transform-origin: center;
  animation: zdRingRotate 2.5s linear infinite;
}

@keyframes zdRingRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.zd-banner-scroll-arrow {
  position: relative;
  z-index: 2;
  font-size: 14px;
  color: rgba(255,255,255,0.9);
  transition: color 0.3s ease, transform 0.3s ease;
  animation: zdArrowBounce 2s ease-in-out infinite;
}

.zd-banner-scroll:hover .zd-banner-scroll-arrow {
  color: var(--zd-accent);
}

@keyframes zdArrowBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(4px);
  }
}

@media (max-width: 768px) {
  .zd-banner-prev,
  .zd-banner-next {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  .zd-banner-prev {
    left: 12px;
  }
  .zd-banner-next {
    right: 12px;
  }
  .zd-banner-scroll {
    right: 16px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
  .zd-banner-scroll-arrow {
    font-size: 11px;
  }
}

/* ============================================
   关于我们
   ============================================ */

.zd-about {
  padding: 100px 0;
  background: var(--zd-white);
}

.zd-about-wrap {
  display: flex;
  align-items: center;
  gap: 60px;
}

/* 左侧文案 */
.zd-about-left {
  flex: 1;
  min-width: 0;
}

.zd-about-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--zd-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  padding-left: 40px;
}

.zd-about-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 2px;
  background: var(--zd-accent);
}

.zd-about-title {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--zd-primary);
  margin-bottom: 20px;
}

.zd-about-desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--zd-text-light);
  margin-bottom: 28px;
  max-width: 700px;
}

.zd-about-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  background: var(--zd-accent);
  color: var(--zd-white);
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  transition: background var(--zd-transition), transform var(--zd-transition), box-shadow var(--zd-transition);
  margin-bottom: 60px;
}

.zd-about-btn:hover {
  background: var(--zd-primary);
  color: var(--zd-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10,37,64,0.2);
}

.zd-about-btn i {
  font-size: 12px;
  transition: transform var(--zd-transition);
}

.zd-about-btn:hover i {
  transform: translateX(4px);
}

/* 数字滚动项 */
.zd-about-counters {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.zd-counter-item {
  min-width: 100px;
}

.zd-counter-num {
  font-size: 40px;
  font-weight: 700;
  color: var(--zd-accent);
  line-height: 1;
}

.zd-counter-plus {
  font-size: 28px;
  font-weight: 700;
  color: var(--zd-text-light);
  vertical-align: baseline;
  margin-left: 2px;
}

.zd-counter-label {
  font-size: 13px;
  color: var(--zd-text-light);
  margin-top: 8px;
  margin-bottom: 0;
}

/* 右侧图片 */
.zd-about-right {
  flex: 0 0 45%;
  position: relative;
}

.zd-about-img-wrap {
  position: relative;
  border-radius: 0px;
  overflow: hidden;
}

.zd-about-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0px;
  object-fit: cover;
}

.zd-about-img-accent {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--zd-accent);
  border-radius: 8px;
  z-index: -1;
}

/* 视频播放按钮 */
.zd-video-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 5;
}

.zd-video-btn-inner {
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--zd-accent);
  font-size: 22px;
  position: relative;
  z-index: 2;
  transition: background var(--zd-transition), transform var(--zd-transition), color var(--zd-transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.zd-video-btn-inner i {
  margin-left: 3px;
}

.zd-video-btn:hover .zd-video-btn-inner {
  background: var(--zd-accent);
  color: var(--zd-white);
  transform: scale(1.1);
}

.zd-video-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 72px;
  height: 72px;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: zdPulse 2s ease-out infinite;
  z-index: 1;
}

.zd-video-pulse.pulse2 {
  animation-delay: 0.6s;
}

@keyframes zdPulse {
  0% {
    width: 72px;
    height: 72px;
    opacity: 1;
  }
  100% {
    width: 120px;
    height: 120px;
    opacity: 0;
  }
}

/* 响应式 */
@media (max-width: 992px) {
  .zd-about {
    padding: 60px 0;
  }
  .zd-about-wrap {
    flex-direction: column;
    gap: 40px;
  }
  .zd-about-right {
    flex: none;
    width: 100%;
  }
  .zd-about-title {
    font-size: 30px;
  }
  .zd-about-counters {
    gap: 24px;
  }
  .zd-counter-num,
  .zd-counter-plus {
    font-size: 32px;
  }
}

@media (max-width: 576px) {
  .zd-about {
    padding: 40px 0;
  }
  .zd-about-title {
    font-size: 24px;
  }
  .zd-about-desc {
    font-size: 14px;
  }
  .zd-about-counters {
    gap: 16px;
  }
  .zd-counter-item {
    min-width: 80px;
  }
  .zd-counter-num,
  .zd-counter-plus {
    font-size: 26px;
  }
  .zd-video-btn-inner {
    width: 56px;
    height: 56px;
    font-size: 18px;
  }
  .zd-video-pulse {
    width: 56px;
    height: 56px;
  }
  @keyframes zdPulse {
    0% {
      width: 56px;
      height: 56px;
      opacity: 1;
    }
    100% {
      width: 96px;
      height: 96px;
      opacity: 0;
    }
  }
}

/* ============================================
   企业优势模块
   ============================================ */

.zd-advantages {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
  background: #0a2540;
}

/* 背景图 */
.zd-advantages-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.zd-advantages-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: grayscale(100%);
}

.zd-advantages-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 37, 64, 0.75) 0%, rgba(10, 37, 64, 0.55) 100%);
}

/* 头部 */
.zd-advantages-header {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-bottom: 80px;
}

.zd-advantages-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--zd-accent);
  text-transform: uppercase;
  margin-bottom: 20px;
  position: relative;
  padding: 8px 24px;
  border: 1px solid rgba(8, 120, 66, 0.3);
  border-radius: 30px;
}

.zd-advantages-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--zd-white);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.zd-advantages-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 优势卡片网格 */
.zd-advantages-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

/* 优势卡片 */
.zd-advantage-card {
  position: relative;
  padding: 50px 35px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0px;
  text-align: center;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  cursor: pointer;
}

.zd-advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(8, 120, 66, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.zd-advantage-card:hover {
  transform: translateY(-10px);
  border-color: var(--zd-accent);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.zd-advantage-card:hover::before {
  opacity: 1;
}

/* 图标 */
.zd-advantage-icon-wrap {
  position: relative;
  width: 90px;
  height: 90px;
  margin: 0 auto 30px;
}

.zd-advantage-icon {
  position: relative;
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, var(--zd-accent) 0%, #0a9e5e 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all 0.5s ease;
  box-shadow: 0 10px 30px rgba(8, 120, 66, 0.3);
}

.zd-advantage-card:hover .zd-advantage-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 15px 40px rgba(8, 120, 66, 0.5);
}

.zd-advantage-icon i {
  font-size: 36px;
  color: var(--zd-white);
}

.zd-advantage-icon-ring {
  position: absolute;
  top: -10px;
  left: -10px;
  width: 110px;
  height: 110px;
  border: 2px solid rgba(8, 120, 66, 0.2);
  border-radius: 50%;
  z-index: 1;
  animation: zdRingPulse 3s ease-in-out infinite;
}

.zd-advantage-icon-ring.ring2 {
  top: -20px;
  left: -20px;
  width: 130px;
  height: 130px;
  animation-delay: 1s;
  border-color: rgba(8, 120, 66, 0.1);
}

@keyframes zdRingPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

/* 编号 */
.zd-advantage-num {
  font-size: 60px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.04);
  position: absolute;
  top: 20px;
  right: 25px;
  line-height: 1;
  transition: all 0.5s ease;
}

.zd-advantage-card:hover .zd-advantage-num {
  color: rgba(255, 255, 255, 0.08);
  transform: translateX(-5px);
}

/* 标题 */
.zd-advantage-name {
  font-size: 22px;
  font-weight: 600;
  color: var(--zd-white);
  margin-bottom: 18px;
  transition: color 0.3s ease;
  position: relative;
  z-index: 2;
}

.zd-advantage-card:hover .zd-advantage-name {
  color: var(--zd-accent-light);
}

/* 描述 */
.zd-advantage-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 25px;
  transition: color 0.3s ease;
  position: relative;
  z-index: 2;
}

.zd-advantage-card:hover .zd-advantage-desc {
  color: rgba(255, 255, 255, 0.8);
}

/* 底部线条 */
.zd-advantage-line {
  width: 40px;
  height: 3px;
  background: var(--zd-accent);
  margin: 0 auto;
  transition: all 0.5s ease;
  position: relative;
  z-index: 2;
}

.zd-advantage-card:hover .zd-advantage-line {
  width: 60px;
  background: linear-gradient(90deg, var(--zd-accent), #0a9e5e);
}

/* 响应式 */
@media (max-width: 1200px) {
  .zd-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

@media (max-width: 992px) {
  .zd-advantages {
    padding: 80px 0;
  }

  .zd-advantages-header {
    margin-bottom: 50px;
  }

  .zd-advantages-title {
    font-size: 34px;
  }

  .zd-advantage-card {
    padding: 40px 25px;
  }
}

@media (max-width: 768px) {
  .zd-advantages-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .zd-advantages-title {
    font-size: 28px;
  }

  .zd-advantages-subtitle {
    font-size: 14px;
  }

  .zd-advantage-card {
    padding: 35px 20px;
  }

  .zd-advantage-icon-wrap {
    width: 70px;
    height: 70px;
  }

  .zd-advantage-icon {
    width: 70px;
    height: 70px;
  }

  .zd-advantage-icon i {
    font-size: 28px;
  }

  .zd-advantage-icon-ring {
    width: 90px;
    height: 90px;
    top: -10px;
    left: -10px;
  }

  .zd-advantage-icon-ring.ring2 {
    width: 110px;
    height: 110px;
    top: -20px;
    left: -20px;
  }

  .zd-advantage-name {
    font-size: 20px;
  }

  .zd-advantage-num {
    font-size: 48px;
  }
}

/* 滚动触发动画 */
.zd-advantage-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease, all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.zd-advantage-card.aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   产品中心模块
   ============================================ */

.zd-products {
  padding: 120px 0;
  background: var(--zd-bg);
  overflow: hidden;
}

/* 头部区域 */
.zd-products-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 60px;
}

.zd-products-header-left {
  flex: 1;
  min-width: 0;
}

.zd-products-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--zd-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  padding-left: 40px;
}

.zd-products-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 2px;
  background: var(--zd-accent);
}

.zd-products-title {
  font-size: 38px;
  font-weight: 700;
  color: var(--zd-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.zd-products-subtitle {
  font-size: 15px;
  color: var(--zd-text-light);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 0;
}

/* 产品分类 Tab */
.zd-products-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--zd-border);
  position: relative;
}

.zd-products-tab {
  position: relative;
  padding: 18px 36px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.35s ease;
  user-select: none;
  background: transparent;
  border: none;
}

.zd-products-tab-icon {
  font-size: 16px;
  color: var(--zd-border);
  transition: color 0.35s ease, transform 0.35s ease;
  width: 20px;
  text-align: center;
}

.zd-products-tab-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--zd-text-light);
  transition: color 0.35s ease;
}

.zd-products-tab-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--zd-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.zd-products-tab:hover,
.zd-products-tab.active {
  background: var(--zd-accent);
}

.zd-products-tab:hover .zd-products-tab-text,
.zd-products-tab.active .zd-products-tab-text,
.zd-products-tab:hover .zd-products-tab-icon,
.zd-products-tab.active .zd-products-tab-icon {
  color: var(--zd-white);
}

.zd-products-tab.active .zd-products-tab-icon {
  transform: scale(1.15);
}

.zd-products-tab.active .zd-products-tab-line {
  transform: scaleX(1);
  background: rgba(255,255,255,0.4);
}

/* Tab 内容面板 */
.zd-products-panels {
  position: relative;
}

.zd-products-panel {
  display: none;
}

.zd-products-panel.active {
  display: block;
  animation: zdPanelIn 0.45s ease both;
}

@keyframes zdPanelIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.zd-products-panel-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
}

.zd-products-panel-nav .zd-products-prev,
.zd-products-panel-nav .zd-products-next {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--zd-white);
  color: var(--zd-primary);
  border: 1px solid var(--zd-border);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--zd-transition);
  font-size: 16px;
}

.zd-products-panel-nav .zd-products-prev:hover,
.zd-products-panel-nav .zd-products-next:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: var(--zd-white);
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(8, 120, 66, 0.25);
}

/* 导航按钮 */
.zd-products-nav {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  margin-left: 40px;
}

.zd-products-prev,
.zd-products-next {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--zd-white);
  color: var(--zd-primary);
  border: 1px solid var(--zd-border);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--zd-transition);
  font-size: 16px;
}

.zd-products-prev:hover,
.zd-products-next:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: var(--zd-white);
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(8, 120, 66, 0.25);
}

/* Swiper 容器 */
.zd-products-swiper {
  width: 100%;
  padding: 20px 0 40px;
  overflow: hidden;
}

.zd-products-swiper .swiper-slide {
  height: auto;
}

/* 产品卡片 */
.zd-product-card {
  background: var(--zd-white);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.zd-product-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

/* 图片区域 */
.zd-product-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.zd-product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.zd-product-card:hover .zd-product-img {
  transform: scale(1.1);
}

/* 悬停遮罩 */
.zd-product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 37, 64, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.zd-product-card:hover .zd-product-overlay {
  opacity: 1;
  visibility: visible;
}

.zd-product-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  background: var(--zd-accent);
  color: var(--zd-white);
  font-size: 14px;
  font-weight: 500;
  border-radius: 30px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.zd-product-card:hover .zd-product-btn {
  transform: translateY(0);
  opacity: 1;
}

.zd-product-btn:hover {
  background: var(--zd-white);
  color: var(--zd-accent);
}

/* 产品信息 */
.zd-product-info {
  padding: 28px 24px 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.zd-product-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: var(--zd-accent);
  background: rgba(8, 120, 66, 0.08);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.zd-product-name {
  font-size: 16px;
  font-weight: 400;
  color: var(--zd-dark);
  margin-bottom: 12px;
  line-height: 1.4;
  transition: color 0.3s ease;
  text-align: center;
}

.zd-product-card:hover .zd-product-name {
  color: var(--zd-accent);
}

.zd-product-desc {
  font-size: 14px;
  color: var(--zd-text-light);
  line-height: 1.8;
  margin-bottom: 0;
  flex: 1;
}

/* 响应式 */
@media (max-width: 1200px) {
  .zd-products-title {
    font-size: 34px;
  }
}

@media (max-width: 992px) {
  .zd-products {
    padding: 80px 0;
  }

  .zd-products-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 40px;
  }

  .zd-products-nav {
    margin-left: 0;
  }

  .zd-products-title {
    font-size: 30px;
  }

  .zd-product-info {
    padding: 22px 20px 26px;
  }

  .zd-products-tabs {
    overflow: hidden;
  }

  .zd-products-tabs::-webkit-scrollbar {
    display: none;
  }

  .zd-products-tab {
    padding: 14px 12px;
    flex: 1;
    justify-content: center;
    gap: 8px;
  }

  .zd-products-tab-text {
    font-size: 15px;
    white-space: nowrap;
  }

  .zd-products-panel-nav {
    margin-top: 28px;
  }

  .zd-products-panel-nav .zd-products-prev,
  .zd-products-panel-nav .zd-products-next {
    width: 44px;
    height: 44px;
    font-size: 14px;
  }
}

@media (max-width: 576px) {
  .zd-products {
    padding: 60px 0;
  }

  .zd-products-title {
    font-size: 26px;
  }

  .zd-products-subtitle {
    font-size: 14px;
  }

  .zd-products-prev,
  .zd-products-next {
    width: 42px;
    height: 42px;
    font-size: 14px;
  }

  .zd-products-tab {
    padding: 14px 6px;
    gap: 6px;
  }

  .zd-products-tab-icon {
    font-size: 14px;
    width: 16px;
  }

  .zd-products-tab-text {
    font-size: 13px;
  }
}

/* ============================================
   公司图片切换模块
   ============================================ */

.zd-factory {
  position: relative;
  min-height: 950px;
  height: 950px;
  overflow: hidden;
  background: #0a1a2e;
  color: var(--zd-white);
}

.zd-factory-bg,
.zd-factory-bg-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.zd-factory-bg-item {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.zd-factory-bg-item.active {
  opacity: 1;
  z-index: 2;
}

.zd-factory-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(10, 26, 46, 0.92) 0%, rgba(10, 26, 46, 0.6) 45%, rgba(10, 26, 46, 0.35) 100%);
  z-index: 3;
}

.zd-factory-inner {
  position: relative;
  z-index: 5;
  height: 100%;
  display: flex;
  align-items: stretch;
  padding: 0;
}

/* 左侧区域 */
.zd-factory-left {
  width: 42%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 50px 60px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.zd-factory-header {
  margin-bottom: 40px;
}

.zd-factory-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--zd-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.zd-factory-tag::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--zd-accent);
}

.zd-factory-title {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--zd-white);
}

.zd-factory-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 0;
}

/* 项目列表 */
.zd-factory-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.zd-factory-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  color: rgba(255, 255, 255, 0.75);
}

.zd-factory-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.zd-factory-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--zd-accent);
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.zd-factory-item:hover,
.zd-factory-item.active {
  color: var(--zd-white);
  padding-left: 30px;
}

.zd-factory-item:hover::before,
.zd-factory-item.active::before {
  width: 100%;
}

.zd-factory-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  font-size: 14px;
  flex-shrink: 0;
  transition: all 0.35s ease;
}

.zd-factory-item:hover .zd-factory-icon,
.zd-factory-item.active .zd-factory-icon {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
}

.zd-factory-text {
  flex: 1;
  font-size: 16px;
  font-weight: 500;
  white-space: nowrap;
}

.zd-factory-arrow {
  font-size: 14px;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.35s ease;
  color: var(--zd-white);
}

.zd-factory-item:hover .zd-factory-arrow,
.zd-factory-item.active .zd-factory-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* 右侧内容区域 */
.zd-factory-right {
  flex: 1;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 60px 0 60px 60px;
}

.zd-factory-content {
  position: absolute;
  bottom: 60px;
  right: 0;
  max-width: 520px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(8, 120, 66, 0.92);
  padding: 36px 40px;
  border-radius: 0;
  backdrop-filter: blur(6px);
}

.zd-factory-content.active {
  opacity: .85;
  visibility: visible;
  transform: translateY(0);
}

.zd-factory-content-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--zd-white);
}

.zd-factory-content-desc {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
}

.zd-factory-content-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--zd-white);
  color: var(--zd-accent);
  font-size: 14px;
  font-weight: 600;
  border-radius: 30px;
  transition: all 0.3s ease;
}

.zd-factory-content-btn:hover {
  background: var(--zd-dark);
  color: var(--zd-white);
  transform: translateX(5px);
}

/* 响应式 */
@media (max-width: 1200px) {
  .zd-factory-left {
    width: 46%;
    padding: 50px 30px 50px 0;
  }

  .zd-factory-title {
    font-size: 32px;
  }

  .zd-factory-content {
    max-width: 460px;
    padding: 30px 34px;
  }
}

@media (max-width: 992px) {
  .zd-factory {
    height: auto;
    min-height: auto;
  }

  .zd-factory-inner {
    flex-direction: column;
  }

  .zd-factory-left {
    width: 100%;
    max-width: 100%;
    padding: 50px 0 30px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .zd-factory-right {
    position: relative;
    padding: 40px 0 50px;
    min-height: 260px;
  }

  .zd-factory-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    padding: 40px 30px 50px;
  }


  .zd-factory-content-title {
    font-size: 22px;
  }
}

@media (max-width: 576px) {
  .zd-factory-title {
    font-size: 26px;
  }

  .zd-factory-item {
    padding: 14px 16px;
  }

  .zd-factory-item:hover,
  .zd-factory-item.active {
    padding-left: 22px;
  }

  .zd-factory-icon {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .zd-factory-text {
    font-size: 14px;
  }
}

/* ============================================
   新闻资讯模块
   ============================================ */

.zd-news {
  padding: 120px 0;
  background: var(--zd-bg);
}

.zd-news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 50px;
}

.zd-news-header-left {
  flex: 1;
  min-width: 0;
}

.zd-news-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--zd-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.zd-news-tag::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--zd-accent);
}

.zd-news-title {
  font-size: 38px;
  font-weight: 700;
  color: var(--zd-primary);
  margin-bottom: 14px;
  line-height: 1.3;
}

.zd-news-subtitle {
  font-size: 15px;
  color: var(--zd-text-light);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 0;
}

.zd-news-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--zd-white);
  color: var(--zd-accent);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--zd-border);
  border-radius: 30px;
  transition: all var(--zd-transition);
  flex-shrink: 0;
  margin-left: 40px;
}

.zd-news-more:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: var(--zd-white);
  transform: translateX(5px);
  box-shadow: 0 6px 20px rgba(8, 120, 66, 0.25);
}

/* 新闻卡片网格 */
.zd-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.zd-news-card {
  background: var(--zd-white);
  border-radius: 0px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.zd-news-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

/* 图片区域 */
.zd-news-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.zd-news-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.zd-news-card:hover .zd-news-img {
  transform: scale(1.1);
}

/* 日期徽章 */
.zd-news-date {
  position: absolute;
  left: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--zd-accent);
  color: var(--zd-white);
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(8, 120, 66, 0.35);
}

.zd-news-day {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.zd-news-month {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* 新闻信息 */
.zd-news-info {
  padding: 28px 24px 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.zd-news-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--zd-dark);
  line-height: 1.5;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.zd-news-card:hover .zd-news-card-title {
  color: var(--zd-accent);
}

.zd-news-desc {
  font-size: 14px;
  color: var(--zd-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.zd-news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--zd-accent);
  transition: all var(--zd-transition);
  align-self: flex-start;
}

.zd-news-card-link:hover {
  color: var(--zd-primary);
  transform: translateX(5px);
}

/* 响应式 */
@media (max-width: 1200px) {
  .zd-news-title {
    font-size: 34px;
  }
}

@media (max-width: 992px) {
  .zd-news {
    padding: 80px 0;
  }

  .zd-news-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 40px;
  }

  .zd-news-more {
    margin-left: 0;
  }

  .zd-news-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .zd-news-title {
    font-size: 30px;
  }
}

@media (max-width: 576px) {
  .zd-news {
    padding: 60px 0;
  }

  .zd-news-title {
    font-size: 26px;
  }

  .zd-news-subtitle {
    font-size: 14px;
  }

  .zd-news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .zd-news-info {
    padding: 22px 20px 26px;
  }

  .zd-news-card-title {
    font-size: 17px;
  }
}

/* ============================================
   证书轮播与在线留言模块
   ============================================ */

.zd-cert {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
  color: var(--zd-white);
}

.zd-cert-bg,
.zd-cert-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.zd-cert-bg {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  z-index: 1;
}

.zd-cert-overlay {
  background: linear-gradient(135deg, rgba(10, 26, 46, 0.95) 0%, rgba(10, 70, 136, 0.88) 100%);
  z-index: 2;
}

.zd-cert-inner {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: stretch;
  gap: 60px;
}

/* 左侧证书区 */
.zd-cert-left {
  width: 45%;
  display: flex;
  flex-direction: column;
}

.zd-cert-header {
  margin-bottom: 40px;
}

.zd-cert-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--zd-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.zd-cert-tag::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--zd-accent);
}

.zd-cert-title {
  font-size: 38px;
  font-weight: 700;
  color: var(--zd-white);
  margin-bottom: 14px;
  line-height: 1.3;
}

.zd-cert-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* 证书轮播 */
.zd-cert-swiper {
  width: 100%;
  padding: 40px 0 60px;
  flex: 1;
  display: flex;
  align-items: center;
}

.zd-cert-swiper .swiper-slide {
  width: 220px;
  height: 306px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.5s ease;
}

.zd-cert-slide {
  width: 100%;
  height: 100%;
  background: var(--zd-white);
  padding: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  transition: all 0.5s ease;
}

.zd-cert-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.zd-cert-swiper .swiper-slide-active .zd-cert-slide {
  transform: scale(1.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* 轮播导航 */
.zd-cert-nav {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.zd-cert-prev,
.zd-cert-next {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: var(--zd-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--zd-transition);
  font-size: 16px;
}

.zd-cert-prev:hover,
.zd-cert-next:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: var(--zd-white);
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(8, 120, 66, 0.35);
}

/* 右侧表单区 */
.zd-cert-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zd-cert-form-wrap {
  width: 100%;
  max-width: 480px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 44px 40px;
  backdrop-filter: blur(10px);
}

.zd-cert-form-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--zd-white);
  margin-bottom: 10px;
}

.zd-cert-form-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  line-height: 1.7;
}

.zd-cert-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.zd-cert-form-row {
  display: flex;
  gap: 16px;
}

.zd-cert-form-row-2 .zd-cert-input {
  flex: 1;
  width: 0;
}

.zd-cert-form-code {
  align-items: center;
}

.zd-cert-code-img {
  height: 50px;
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
}

.zd-cert-input,
.zd-cert-textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0;
  color: var(--zd-white);
  font-size: 14px;
  outline: none;
  transition: all var(--zd-transition);
}

.zd-cert-input::placeholder,
.zd-cert-textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.zd-cert-input:focus,
.zd-cert-textarea:focus {
  border-color: var(--zd-accent);
  background: rgba(255, 255, 255, 0.15);
}

.zd-cert-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

.zd-cert-submit {
  width: 100%;
  padding: 16px 32px;
  background: var(--zd-accent);
  color: var(--zd-white);
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--zd-transition);
  margin-top: 8px;
}

.zd-cert-submit:hover {
  background: var(--zd-white);
  color: var(--zd-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(8, 120, 66, 0.35);
}

/* 响应式 */
@media (max-width: 1200px) {
  .zd-cert-inner {
    gap: 40px;
  }

  .zd-cert-left {
    width: 45%;
  }

  .zd-cert-title {
    font-size: 32px;
  }

  .zd-cert-swiper .swiper-slide {
    width: 200px;
    height: 278px;
  }

  .zd-cert-form-wrap {
    padding: 36px 30px;
  }
}

@media (max-width: 992px) {
  .zd-cert {
    padding: 80px 0;
  }

  .zd-cert-inner {
    flex-direction: column;
  }

  .zd-cert-left {
    width: 100%;
  }

  .zd-cert-right {
    width: 100%;
  }

  .zd-cert-form-wrap {
    max-width: 100%;
  }

  .zd-cert-title {
    font-size: 30px;
  }

  .zd-cert-swiper {
    padding: 30px 0 40px;
  }
}

@media (max-width: 576px) {
  .zd-cert {
    padding: 60px 0;
  }

  .zd-cert-title {
    font-size: 26px;
  }

  .zd-cert-swiper .swiper-slide {
    width: 180px;
    height: 250px;
  }

  .zd-cert-form-wrap {
    padding: 28px 24px;
  }

  .zd-cert-form-row {
    flex-direction: column;
    gap: 14px;
  }

  .zd-cert-form-row-2 .zd-cert-input {
    width: 100%;
  }

  .zd-cert-form-title {
    font-size: 24px;
  }
}

/* ============================================
   Footer 模块
   ============================================ */

.zd-footer {
  background: #071324;
  color: rgba(255, 255, 255, 0.75);
  padding: 80px 0 0;
}

.zd-footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* 品牌区 */
.zd-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.zd-footer-logo {
  display: inline-block;
}

.zd-footer-logo-img {
  height: 56px;
  width: auto;
  display: block;
}

.zd-footer-intro {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0;
  max-width: 320px;
}

.zd-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.zd-footer-social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 16px;
  transition: all var(--zd-transition);
}

.zd-footer-social-link:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: var(--zd-white);
  transform: translateY(-3px);
}

/* 链接区 */
.zd-footer-links,
.zd-footer-contact {
  display: flex;
  flex-direction: column;
}

.zd-footer-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--zd-white);
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.zd-footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--zd-accent);
}

.zd-footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.zd-footer-list a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: all var(--zd-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.zd-footer-list a::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transition: all var(--zd-transition);
}

.zd-footer-list a:hover {
  color: var(--zd-accent);
  transform: translateX(5px);
}

.zd-footer-list a:hover::before {
  background: var(--zd-accent);
}

/* 联系区 */
.zd-footer-contact .zd-footer-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  line-height: 1.7;
}

.zd-footer-contact .zd-footer-list i {
  color: var(--zd-accent);
  font-size: 14px;
  margin-top: 4px;
  flex-shrink: 0;
}

.zd-footer-phones {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.zd-footer-contact .zd-footer-list a {
  color: inherit;
  text-decoration: none;
  display: inline;
  transition: color 0.3s ease;
}

.zd-footer-contact .zd-footer-list a::before {
  display: none;
}

.zd-footer-contact .zd-footer-list a:hover {
  color: var(--zd-accent);
  transform: none;
}

/* 底部版权 */
.zd-footer-bottom {
  padding: 24px 0;
  background: rgba(0, 0, 0, 0.2);
}

.zd-footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.zd-footer-copyright,
.zd-footer-icp {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

.zd-footer-icp a {
  color: rgba(255, 255, 255, 0.5);
}

.zd-footer-icp a:hover {
  color: var(--zd-accent);
}

/* 响应式 */
@media (max-width: 1200px) {
  .zd-footer-main {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
  }
}

@media (max-width: 992px) {
  .zd-footer {
    padding: 60px 0 0;
  }

  .zd-footer-main {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    padding-bottom: 40px;
  }

  .zd-footer-brand {
    grid-column: 1 / -1;
  }

  .zd-footer-intro {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .zd-footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .zd-footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

/* ============================================
   右侧客服浮窗
   ============================================ */

.zd-service-float {
  position: fixed;
  right: 5px;
  bottom: 100px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--zd-transition), visibility var(--zd-transition), transform var(--zd-transition);
}

.zd-service-float.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.zd-service-item {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--zd-white);
  color: var(--zd-accent);
  border: 1px solid var(--zd-border);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--zd-transition);
  text-decoration: none;
  overflow: hidden;
}

.zd-service-item:hover {
  background: var(--zd-accent);
  color: var(--zd-white);
  border-color: var(--zd-accent);
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(8, 120, 66, 0.3);
}

.zd-service-text {
  position: absolute;
  right: 56px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  padding: 8px 14px;
  background: var(--zd-accent);
  color: var(--zd-white);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--zd-transition);
  pointer-events: none;
}

.zd-service-text::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 6px 0 6px 6px;
  border-style: solid;
  border-color: transparent transparent transparent var(--zd-accent);
}

.zd-service-item:hover .zd-service-text {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(-8px);
}

@media (max-width: 992px) {
  .zd-service-float {
    right: 12px;
    bottom: 80px;
    gap: 10px;
  }
  .zd-service-item {
    width: 42px;
    height: 42px;
    font-size: 16px;
  }
  .zd-service-text {
    display: none;
  }
}

/* ============================================
   企业宣传视频弹窗
   ============================================ */

.zd-video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.zd-video-modal.active {
  opacity: 1;
  visibility: visible;
}

.zd-video-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 70, 136, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.zd-video-modal-inner {
  position: relative;
  width: 90%;
  max-width: 1000px;
  z-index: 2;
  transform: scale(0.95);
  transition: transform 0.35s ease;
}

.zd-video-modal.active .zd-video-modal-inner {
  transform: scale(1);
}

.zd-video-modal-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.15);
  color: var(--zd-white);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.zd-video-modal-close:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  transform: rotate(90deg);
}

.zd-video-modal-player {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.zd-video-modal-player video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (max-width: 768px) {
  .zd-video-modal-inner {
    width: 95%;
  }
  .zd-video-modal-close {
    top: -44px;
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
}


/* ============================================
   关于我们页面样式
   ============================================ */

/* ---- 页面 Banner ---- */
.zd-page-banner {
  position: relative;
  height: 400px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zd-page-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  transition: transform 8s ease;
}

.zd-page-banner.loaded .zd-page-banner-bg {
  transform: scale(1);
}

.zd-page-banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.zd-page-banner-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--zd-white);
}

.zd-page-banner-title {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 16px;
  color: var(--zd-white);
  text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.zd-page-banner-bread {
  font-size: 15px;
  opacity: 0.85;
  letter-spacing: 1px;
}

.zd-page-banner-bread a {
  color: var(--zd-white);
  text-decoration: none;
  transition: opacity 0.3s;
}

.zd-page-banner-bread a:hover {
  opacity: 1;
  text-decoration: underline;
}

.zd-page-banner-sep {
  margin: 0 10px;
  opacity: 0.5;
}

/* ---- 公司介绍 ---- */
.zd-about-intro {
  padding: 100px 0 90px;
  background: #fff;
}

.zd-about-intro-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.zd-about-intro-left {
  padding-right: 20px;
}

.zd-about-intro-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--zd-dark);
  line-height: 1.4;
  margin: 16px 0;
}

.zd-about-intro-line {
  width: 50px;
  height: 3px;
  background: var(--zd-accent);
  margin-bottom: 24px;
  border-radius: 2px;
}

.zd-about-intro-desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--zd-text-light);
  margin-bottom: 18px;
}

.zd-about-intro-right {
  position: relative;
}

.zd-about-intro-img-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.zd-about-intro-img {
  width: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.zd-about-intro-img-wrap:hover .zd-about-intro-img {
  transform: scale(1.05);
}

.zd-about-intro-img-accent {
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 60%;
  height: 60%;
  border: 3px solid var(--zd-accent);
  border-radius: 12px;
  z-index: -1;
  opacity: 0.4;
}

/* ---- 企业历程 ---- */
.zd-about-timeline {
  padding: 90px 0 100px;
  background: linear-gradient(180deg, #f0f4f8 0%, #eaf0f6 40%, #f2f5f9 100%);
  position: relative;
  overflow: hidden;
}

.zd-about-timeline::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,130,62,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.zd-about-timeline-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
  z-index: 1;
}

.zd-about-timeline-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--zd-dark);
  margin: 14px 0 12px;
}

.zd-about-timeline-sub {
  font-size: 15px;
  color: var(--zd-text-light);
}

/* 时间轴轨道 */
.zd-tl-track {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  z-index: 1;
}

/* 中央竖线 */
.zd-tl-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, transparent 0%, rgba(0,130,62,0.4) 8%, var(--zd-accent) 30%, var(--zd-primary) 70%, rgba(0,77,161,0.4) 92%, transparent 100%);
  transform-origin: top center;
}

/* 时间轴项 */
.zd-tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 56px;
}

.zd-tl-item:last-child {
  margin-bottom: 0;
}

/* 奇数项 - 卡片在左 */
.zd-tl-item:nth-child(odd) .zd-tl-card {
  grid-column: 1;
  margin-right: 56px;
  text-align: right;
}

/* 偶数项 - 卡片在右 */
.zd-tl-item:nth-child(even) .zd-tl-card {
  grid-column: 2;
  margin-left: 56px;
  text-align: left;
}

/* 卡片 */
.zd-tl-card {
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 16px;
  padding: 30px 28px 26px;
  position: relative;
  overflow: hidden;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.zd-tl-card::before {
  content: '';
  position: absolute;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--zd-accent), #4ade80);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}

.zd-tl-item:nth-child(odd) .zd-tl-card::before {
  right: 0;
  border-radius: 0 0 3px 0;
}

.zd-tl-item:nth-child(even) .zd-tl-card::before {
  left: 0;
  border-radius: 3px 0 0 0;
}

.zd-tl-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.85);
  border-color: rgba(0,130,62,0.2);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.zd-tl-card:hover::before {
  transform: scaleY(1);
}

/* 连接线 - 从卡片到圆点 */
.zd-tl-item:nth-child(odd) .zd-tl-card::after {
  content: '';
  position: absolute;
  top: 36px;
  right: -56px;
  width: 56px;
  height: 1px;
  background: linear-gradient(to right, rgba(0,130,62,0.5), rgba(0,130,62,0.1));
}

.zd-tl-item:nth-child(even) .zd-tl-card::after {
  content: '';
  position: absolute;
  top: 36px;
  left: -56px;
  width: 56px;
  height: 1px;
  background: linear-gradient(to left, rgba(0,130,62,0.5), rgba(0,130,62,0.1));
}

/* 步骤序号 - 大号水印 */
.zd-tl-step {
  position: absolute;
  top: 10px;
  font-size: 64px;
  font-weight: 800;
  font-family: 'Roboto', sans-serif;
  color: rgba(0,0,0,0.045);
  line-height: 1;
  z-index: 0;
  pointer-events: none;
}

.zd-tl-item:nth-child(odd) .zd-tl-step {
  right: 16px;
}

.zd-tl-item:nth-child(even) .zd-tl-step {
  left: 16px;
}

/* 年份 - 渐变大字 */
.zd-tl-year {
  font-size: 44px;
  font-weight: 800;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, var(--zd-accent), #4ade80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -1px;
  position: relative;
  z-index: 1;
}

/* 标题 */
.zd-tl-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

/* 描述 */
.zd-tl-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--zd-text-light);
  position: relative;
  z-index: 1;
}

/* 圆点 */
.zd-tl-dot {
  position: absolute;
  left: 50%;
  top: 30px;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--zd-accent);
  border: 3px solid #f0f4f8;
  box-shadow: 0 0 0 3px rgba(0,130,62,0.2), 0 0 16px rgba(0,130,62,0.25);
  z-index: 2;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.zd-tl-item:hover .zd-tl-dot {
  transform: translateX(-50%) scale(1.3);
  box-shadow: 0 0 0 5px rgba(0,130,62,0.12), 0 0 24px rgba(0,130,62,0.3);
}

/* ---- 公司文化 ---- */
.zd-about-culture {
  padding: 90px 0 100px;
  background: #fff;
}

.zd-about-culture-header {
  text-align: center;
  margin-bottom: 56px;
}

.zd-about-culture-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--zd-dark);
  margin: 14px 0 12px;
}

.zd-about-culture-sub {
  font-size: 15px;
  color: var(--zd-text-light);
}

.zd-about-culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.zd-culture-card {
  background: var(--zd-bg);
  border-radius: 14px;
  padding: 40px 28px 36px;
  text-align: center;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.zd-culture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--zd-accent);
  border-radius: 0 0 4px 4px;
  transition: width 0.4s ease;
}

.zd-culture-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}

.zd-culture-card:hover::before {
  width: 100%;
}

.zd-culture-icon-wrap {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--zd-primary), var(--zd-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  transition: transform 0.4s ease;
}

.zd-culture-card:hover .zd-culture-icon-wrap {
  transform: scale(1.1) rotate(5deg);
}

.zd-culture-icon {
  font-size: 26px;
  color: #fff;
}

.zd-culture-card-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 14px;
}

.zd-culture-card-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--zd-text-light);
}

/* ---- 关于我们页面响应式 ---- */
@media (max-width: 992px) {
  .zd-page-banner {
    height: 320px;
  }
  .zd-page-banner-title {
    font-size: 34px;
  }
  .zd-about-intro-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .zd-about-intro-left {
    padding-right: 0;
  }
  .zd-tl-track {
    max-width: 700px;
  }
  .zd-tl-card {
    padding: 24px 22px 22px;
  }
  .zd-tl-year {
    font-size: 36px;
  }
  .zd-tl-step {
    font-size: 50px;
  }
  .zd-about-culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .zd-page-banner {
    height: 260px;
  }
  .zd-page-banner-title {
    font-size: 26px;
    letter-spacing: 2px;
  }
  .zd-about-intro {
    padding: 60px 0 50px;
  }
  .zd-about-intro-title {
    font-size: 26px;
  }
  .zd-about-timeline {
    padding: 60px 0;
  }
  /* 移动端：单列布局，竖线靠左 */
  .zd-tl-track {
    max-width: 100%;
    padding-left: 24px;
  }
  .zd-tl-line {
    left: 8px;
  }
  .zd-tl-item {
    grid-template-columns: 1fr;
    margin-bottom: 40px;
  }
  .zd-tl-item:nth-child(odd) .zd-tl-card,
  .zd-tl-item:nth-child(even) .zd-tl-card {
    grid-column: 1;
    margin-left: 0;
    margin-right: 0;
    text-align: left;
  }
  .zd-tl-item:nth-child(odd) .zd-tl-card::before,
  .zd-tl-item:nth-child(even) .zd-tl-card::before {
    left: 0;
    right: auto;
    border-radius: 3px 0 0 0;
  }
  .zd-tl-card::after {
    display: none !important;
  }
  .zd-tl-step {
    left: auto !important;
    right: 16px;
    font-size: 44px;
  }
  .zd-tl-dot {
    left: 8px;
    top: 26px;
  }
  .zd-tl-year {
    font-size: 34px;
  }
  .zd-tl-card {
    padding: 24px 22px 22px;
  }
  .zd-tl-title {
    font-size: 17px;
  }
  .zd-tl-desc {
    font-size: 13px;
  }
  .zd-about-culture {
    padding: 60px 0;
  }
  .zd-about-culture-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}


/* ============================================
   厂房设备页面样式
   ============================================ */

/* ---- 设备列表 ---- */
.zd-fac-page {
  padding: 80px 0 100px;
  background: #fff;
}

.zd-fac-page-header {
  text-align: center;
  margin-bottom: 56px;
}

.zd-fac-page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 12px;
}

.zd-fac-page-sub {
  font-size: 15px;
  color: var(--zd-text-light);
}

.zd-fac-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.zd-fac-item {
  cursor: pointer;
}

.zd-fac-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  aspect-ratio: 4 / 3;
  background: var(--zd-bg);
}

.zd-fac-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.zd-fac-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.zd-fac-zoom {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--zd-primary);
  transform: scale(0.7);
  transition: transform 0.35s ease;
}

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

.zd-fac-item:hover .zd-fac-overlay {
  opacity: 1;
}

.zd-fac-item:hover .zd-fac-zoom {
  transform: scale(1);
}

.zd-fac-info {
  padding: 14px 4px 0;
  text-align: center;
}

.zd-fac-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--zd-dark);
  transition: color 0.3s ease;
}

.zd-fac-item:hover .zd-fac-name {
  color: var(--zd-accent);
}

/* ---- 分页 ---- */
.zd-pagination {
  margin-top: 56px;
  text-align: center;
}

.zd-pagination .page-status {
  display: block;
  font-size: 13px;
  color: var(--zd-text-light);
  margin-bottom: 16px;
}

.zd-pagination .page-index,
.zd-pagination .page-pre,
.zd-pagination .page-next,
.zd-pagination .page-last {
  display: inline-block;
  margin: 0 3px;
}

.zd-pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--zd-text);
  background: #fff;
  border: 1px solid var(--zd-border);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.zd-pagination a:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: #fff;
}

.zd-pagination .page-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--zd-text);
  background: #fff;
  border: 1px solid var(--zd-border);
  border-radius: 8px;
  text-decoration: none;
  margin: 0 3px;
  transition: all 0.3s ease;
}

.zd-pagination .page-num:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: #fff;
}

.zd-pagination .page-num-current {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
  color: #fff;
}

.zd-pagination .page-numbar {
  display: inline;
}

.zd-pagination .page-none {
  color: var(--zd-text-light);
  font-size: 14px;
}

/* ---- 灯箱 ---- */
.zd-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

.zd-lightbox.active {
  display: flex;
}

.zd-lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.88);
}

.zd-lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.zd-lightbox-close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

.zd-lightbox-prev,
.zd-lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.zd-lightbox-prev {
  left: 24px;
}

.zd-lightbox-next {
  right: 24px;
}

.zd-lightbox-prev:hover,
.zd-lightbox-next:hover {
  background: var(--zd-accent);
  border-color: var(--zd-accent);
}

.zd-lightbox-content {
  position: relative;
  z-index: 2;
  max-width: 80%;
  max-height: 80vh;
  text-align: center;
}

.zd-lightbox-img {
  max-width: 100%;
  max-height: 72vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  object-fit: contain;
}

.zd-lightbox-caption {
  color: rgba(255,255,255,0.9);
  font-size: 16px;
  margin-top: 16px;
  font-weight: 500;
}

.zd-lightbox-counter {
  display: block;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  margin-top: 6px;
}

/* ---- 厂房设备响应式 ---- */
@media (max-width: 992px) {
  .zd-fac-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .zd-fac-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .zd-fac-page {
    padding: 60px 0 80px;
  }
  .zd-fac-page-title {
    font-size: 26px;
  }
  .zd-lightbox-prev,
  .zd-lightbox-next {
    width: 42px;
    height: 42px;
    font-size: 18px;
  }
  .zd-lightbox-prev {
    left: 12px;
  }
  .zd-lightbox-next {
    right: 12px;
  }
  .zd-lightbox-close {
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .zd-fac-grid {
    grid-template-columns: 1fr;
  }
  .zd-pagination a,
  .zd-pagination .page-num {
    min-width: 36px;
    height: 36px;
    font-size: 13px;
  }
}

/* ============================================
   荣誉证书页面 (zs.html)
   复用厂房设备页面样式，证书图片缩放至4:3容器中居中显示
   ============================================ */
.zd-zs-page .zd-fac-grid {
  grid-template-columns: repeat(4, 1fr);
}

.zd-zs-page .zd-fac-img-wrap {
  aspect-ratio: 4 / 3;
  background: #f5f5f5;
}

.zd-zs-page .zd-fac-img {
  object-fit: contain;
  padding: 10px;
}

@media (max-width: 992px) {
  .zd-zs-page .zd-fac-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .zd-zs-page .zd-fac-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .zd-zs-page .zd-fac-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   新闻列表页 (newslist.html)
   ============================================ */
.zd-news-list-page {
  padding: 80px 0 100px;
  background: #fff;
}

.zd-news-list-page-header {
  text-align: center;
  margin-bottom: 56px;
}

.zd-news-list-page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 12px;
}

.zd-news-list-page-sub {
  font-size: 15px;
  color: var(--zd-text-light);
}

.zd-news-list {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

/* 单条新闻行 */
.zd-news-list-item {
  display: flex;
  align-items: stretch;
  background: #fff;
  transition: box-shadow 0.4s ease;
}

.zd-news-list-item:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
}

/* 图片区域（无圆角） */
.zd-news-list-img-wrap {
  display: block;
  flex-shrink: 0;
  width: 300px;
  overflow: hidden;
  position: relative;
}

.zd-news-list-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.zd-news-list-item:hover .zd-news-list-img {
  transform: scale(1.06);
}

/* 内容区域 */
.zd-news-list-info {
  flex: 1;
  padding: 28px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.zd-news-list-meta {
  margin-bottom: 10px;
}

.zd-news-list-date {
  font-size: 13px;
  color: var(--zd-text-light);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.zd-news-list-date i {
  font-size: 14px;
}

.zd-news-list-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
}

.zd-news-list-title a {
  color: var(--zd-dark);
  text-decoration: none;
  transition: color 0.3s ease;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.zd-news-list-title a:hover {
  color: var(--zd-primary);
}

.zd-news-list-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--zd-text-light);
  margin-bottom: 16px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.zd-news-list-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--zd-primary);
  text-decoration: none;
  transition: gap 0.3s ease;
  align-self: flex-start;
}

.zd-news-list-more:hover {
  gap: 12px;
}

.zd-news-list-more i {
  font-size: 14px;
}

/* ---- 新闻列表响应式 ---- */
@media (max-width: 768px) {
  .zd-news-list-item {
    flex-direction: column;
  }

  .zd-news-list-img-wrap {
    width: 100%;
    height: 220px;
  }

  .zd-news-list-info {
    padding: 20px 22px;
  }

  .zd-news-list-title {
    font-size: 17px;
  }

  .zd-news-list-page {
    padding: 60px 0 80px;
  }

  .zd-news-list-page-title {
    font-size: 26px;
  }
}

@media (max-width: 480px) {
  .zd-news-list-img-wrap {
    height: 180px;
  }

  .zd-news-list-info {
    padding: 16px;
  }
}

/* ============================================
   新闻详情页 (news.html)
   ============================================ */
.zd-news-detail {
  padding: 80px 0 100px;
  background: #fff;
}

.zd-news-detail-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* 左侧主内容 */
.zd-news-detail-main {
  min-width: 0;
}

.zd-news-detail-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--zd-border);
}

.zd-news-detail-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--zd-dark);
  line-height: 1.5;
  margin-bottom: 16px;
}

.zd-news-detail-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.zd-news-detail-date,
.zd-news-detail-cat {
  font-size: 14px;
  color: var(--zd-text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.zd-news-detail-date i,
.zd-news-detail-cat i {
  font-size: 15px;
}

/* 文章正文 */
.zd-news-detail-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--zd-text);
}

.zd-news-detail-body p {
  margin-bottom: 18px;
}

.zd-news-detail-body img {
  max-width: 100%;
  height: auto;
  margin: 5px;
}

.zd-news-detail-body h2,
.zd-news-detail-body h3,
.zd-news-detail-body h4 {
  font-weight: 700;
  color: var(--zd-dark);
  margin: 28px 0 14px;
}

.zd-news-detail-body h2 { font-size: 22px; }
.zd-news-detail-body h3 { font-size: 18px; }
.zd-news-detail-body h4 { font-size: 16px; }

/* 上一篇 / 下一篇 */
.zd-news-detail-nav {
  display: flex;
  gap: 20px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--zd-border);
}

.zd-news-detail-nav-item {
  flex: 1;
  min-width: 0;
}

.zd-news-detail-nav-label {
  display: block;
  font-size: 13px;
  color: var(--zd-text-light);
  margin-bottom: 6px;
}

.zd-news-detail-nav-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--zd-text);
  text-decoration: none;
  transition: color 0.3s ease;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.zd-news-detail-nav-item a:hover {
  color: var(--zd-primary);
}

.zd-news-detail-next {
  text-align: right;
}

/* 返回列表 */
.zd-news-detail-back {
  text-align: center;
  margin-top: 36px;
}

.zd-news-detail-back a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
  color: var(--zd-text);
  background: var(--zd-bg);
  border: 1px solid var(--zd-border);
  text-decoration: none;
  transition: all 0.3s ease;
}

.zd-news-detail-back a:hover {
  background: var(--zd-primary);
  color: #fff;
  border-color: var(--zd-primary);
}

/* 右侧相关新闻 */
.zd-news-detail-sidebar {
  position: sticky;
  top: 100px;
}

.zd-news-rel-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--zd-primary);
}

.zd-news-rel-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--zd-border);
  text-decoration: none;
}

.zd-news-rel-item:last-child {
  border-bottom: none;
}

.zd-news-rel-img-wrap {
  flex-shrink: 0;
  width: 80px;
  height: 60px;
  overflow: hidden;
}

.zd-news-rel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.zd-news-rel-item:hover .zd-news-rel-img {
  transform: scale(1.08);
}

.zd-news-rel-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.zd-news-rel-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--zd-text);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: color 0.3s ease;
}

.zd-news-rel-item:hover .zd-news-rel-name {
  color: var(--zd-primary);
}

.zd-news-rel-date {
  font-size: 12px;
  color: var(--zd-text-light);
  margin-top: 4px;
}

/* ---- 新闻详情响应式 ---- */
@media (max-width: 992px) {
  .zd-news-detail-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .zd-news-detail-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .zd-news-detail {
    padding: 60px 0 80px;
  }

  .zd-news-detail-title {
    font-size: 22px;
  }

  .zd-news-detail-body {
    font-size: 15px;
  }

  .zd-news-detail-nav {
    flex-direction: column;
    gap: 16px;
  }

  .zd-news-detail-next {
    text-align: left;
  }
}

/* ============================================
   联系我们页面 (contact.html)
   ============================================ */
.zd-contact-page {
  padding: 80px 0 100px;
  background: #fff;
}

.zd-contact-page-header {
  text-align: center;
  margin-bottom: 56px;
}

.zd-contact-page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 12px;
}

.zd-contact-page-sub {
  font-size: 15px;
  color: var(--zd-text-light);
}

/* 联系信息卡片 */
.zd-contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.zd-contact-card {
  text-align: center;
  padding: 40px 30px;
  background: var(--zd-bg);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.zd-contact-card:hover {
  background: #fff;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.zd-contact-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--zd-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}

.zd-contact-card:hover .zd-contact-card-icon {
  transform: translateY(-4px);
}

.zd-contact-card-icon i {
  font-size: 26px;
  color: #fff;
}

.zd-contact-card-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 8px;
}

.zd-contact-card-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--zd-text-light);
}

.zd-contact-card-text a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.zd-contact-card-text a:hover {
  color: var(--zd-primary);
}

/* 两列布局：表单 + 地图 */
.zd-contact-main {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

/* 左侧表单 */
.zd-contact-form-section {
  background: #fff;
  border: 1px solid var(--zd-border);
  padding: 40px;
}

.zd-contact-form-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 6px;
}

.zd-contact-form-desc {
  font-size: 14px;
  color: var(--zd-text-light);
  margin-bottom: 28px;
}

.zd-contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.zd-contact-form-row {
  display: flex;
  gap: 18px;
}

.zd-contact-form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.zd-contact-form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--zd-text);
  margin-bottom: 6px;
}

.zd-contact-form-label span {
  color: #e53e3e;
}

.zd-contact-input,
.zd-contact-textarea {
  width: 100%;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--zd-border);
  border-radius: 0;
  font-size: 14px;
  color: var(--zd-text);
  outline: none;
  transition: border-color 0.3s ease;
  font-family: inherit;
}

.zd-contact-input:focus,
.zd-contact-textarea:focus {
  border-color: var(--zd-primary);
}

.zd-contact-textarea {
  min-height: 120px;
  resize: vertical;
}

/* 验证码 */
.zd-contact-form-code {
  display: flex;
  gap: 12px;
  align-items: center;
}

.zd-contact-code-input {
  flex: 1;
}

.zd-contact-code-img {
  height: 44px;
  cursor: pointer;
  flex-shrink: 0;
}

/* 提交按钮 */
.zd-contact-submit {
  align-self: flex-start;
  padding: 14px 40px;
  background: var(--zd-primary);
  color: #fff;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.zd-contact-submit:hover {
  background: var(--zd-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 77, 161, 0.25);
}

/* 右侧地图 + 信息 */
.zd-contact-aside {
  display: flex;
  flex-direction: column;
}

.zd-contact-map {
  width: 100%;
  height: 400px;
  margin-top: 48px;
  overflow: hidden;
  position: relative;
}

.zd-contact-map iframe {
  display: block;
}

.zd-contact-qr-text {
  display: block;
  font-size: 13px;
  color: var(--zd-text-light);
  margin-top: 8px;
}

.zd-contact-faq-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--zd-primary);
}

.zd-contact-faq-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--zd-border);
}

.zd-contact-faq-item:last-child {
  border-bottom: none;
}

.zd-contact-faq-q {
  font-size: 14px;
  font-weight: 600;
  color: var(--zd-text);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.zd-contact-faq-q i {
  color: var(--zd-primary);
  font-size: 15px;
  flex-shrink: 0;
  margin-top: 2px;
}

.zd-contact-faq-a {
  font-size: 13px;
  line-height: 1.7;
  color: var(--zd-text-light);
  margin-top: 6px;
  padding-left: 23px;
}

@media (max-width: 768px) {
  .zd-contact-map {
    height: 280px;
  }
}

/* ---- 联系页面响应式 ---- */
@media (max-width: 992px) {
  .zd-contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .zd-contact-page {
    padding: 60px 0 80px;
  }

  .zd-contact-page-title {
    font-size: 26px;
  }

  .zd-contact-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .zd-contact-form-section {
    padding: 28px 22px;
  }

  .zd-contact-form-row {
    flex-direction: column;
    gap: 18px;
  }
}

@media (max-width: 480px) {
  .zd-contact-card {
    padding: 30px 20px;
  }

  .zd-contact-form-section {
    padding: 22px 16px;
  }

  .zd-contact-submit {
    width: 100%;
    text-align: center;
  }
}


/* ============================================
   产品列表页 (productlist.html)
   ============================================ */
.zd-pl-page {
  padding: 60px 0 80px;
}

/* 分类标题 + 二级分类 */
.zd-pl-cats {
  text-align: center;
  margin-bottom: 48px;
}

.zd-pl-cats-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--zd-dark);
  margin-bottom: 24px;
  line-height: 1.3;
}

.zd-pl-cats-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.zd-pl-cat-link {
  display: inline-block;
  padding: 8px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--zd-text);
  background: var(--zd-bg);
  border-radius: 30px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.zd-pl-cat-link:hover {
  color: var(--zd-white);
  background: var(--zd-primary);
}

.zd-pl-cat-link.active {
  color: var(--zd-white);
  background: var(--zd-primary);
}

/* 产品卡片网格 */
.zd-pl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.zd-pl-item {
  height: 100%;
}

/* 产品卡片名称链接样式 */
.zd-pl-grid .zd-product-name a {
  color: inherit;
  text-decoration: none;
}

.zd-pl-grid .zd-product-name a:hover {
  color: var(--zd-accent);
}

/* 产品列表页响应式 */
@media (max-width: 1200px) {
  .zd-pl-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .zd-pl-page {
    padding: 40px 0 60px;
  }

  .zd-pl-cats-title {
    font-size: 28px;
  }

  .zd-pl-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .zd-pl-cats-list {
    gap: 8px;
  }

  .zd-pl-cat-link {
    padding: 6px 16px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .zd-pl-grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   产品详情页 (product.html)
   ============================================ */
.zd-pd-page {
  padding: 60px 0 80px;
}

.zd-pd-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* 左侧主内容 */
.zd-pd-main {
  min-width: 0;
}

/* 产品展示区（左图 右信息） */
.zd-pd-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

/* 左侧：主图 + 缩略图 */
.zd-pd-gallery {
  min-width: 0;
}

.zd-pd-main-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 8px;
  background: var(--zd-bg);
  margin-bottom: 16px;
}

.zd-pd-main-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: opacity 0.3s ease;
}

.zd-pd-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.zd-pd-thumb {
  width: 80px;
  height: 80px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s ease;
  flex-shrink: 0;
}

.zd-pd-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.zd-pd-thumb:hover {
  border-color: var(--zd-primary);
}

.zd-pd-thumb.active {
  border-color: var(--zd-primary);
}

/* 右侧：产品信息 + 询盘 */
.zd-pd-detail {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.zd-pd-detail-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: var(--zd-accent);
  background: rgba(8, 120, 66, 0.08);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.zd-pd-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--zd-dark);
  line-height: 1.4;
  margin-bottom: 20px;
}

.zd-pd-attrs {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--zd-border);
}

.zd-pd-attr {
  display: flex;
  align-items: baseline;
  padding: 8px 0;
  font-size: 14px;
}

.zd-pd-attr + .zd-pd-attr {
  border-top: 1px dashed var(--zd-border);
}

.zd-pd-attr-label {
  width: 80px;
  flex-shrink: 0;
  color: var(--zd-text-light);
  font-weight: 500;
}

.zd-pd-attr-value {
  color: var(--zd-text);
  flex: 1;
  min-width: 0;
}

.zd-pd-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--zd-text-light);
  margin-bottom: 28px;
}

.zd-pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.zd-pd-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 30px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.zd-pd-btn i {
  font-size: 18px;
  margin-top: 3px;
}

.zd-pd-btn-primary {
  color: var(--zd-white);
  background: var(--zd-primary);
}

.zd-pd-btn-primary:hover {
  background: #00823e;
  color: var(--zd-white);
}

.zd-pd-btn-outline {
  color: var(--zd-primary);
  background: transparent;
  border: 1px solid var(--zd-primary);
}

.zd-pd-btn-outline:hover {
  color: var(--zd-white);
  background: var(--zd-primary);
}

/* 产品描述 */
.zd-pd-content-section {
  margin-bottom: 40px;
}

.zd-pd-content-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--zd-dark);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--zd-primary);
}

.zd-pd-content {
  font-size: 15px;
  line-height: 1.9;
  color: var(--zd-text);
}

.zd-pd-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 5px 0;
}

.zd-pd-content p {
  margin-bottom: 16px;
}

.zd-pd-content h2,
.zd-pd-content h3,
.zd-pd-content h4 {
  font-weight: 600;
  color: var(--zd-dark);
  margin: 24px 0 12px;
}

.zd-pd-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.zd-pd-content table td,
.zd-pd-content table th {
  border: 1px solid var(--zd-border);
  padding: 8px 12px;
  font-size: 14px;
}

/* 上一篇 / 下一篇 */
.zd-pd-nav {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--zd-border);
  border-bottom: 1px solid var(--zd-border);
  margin-bottom: 28px;
}

.zd-pd-nav-item {
  flex: 1;
  min-width: 0;
}

.zd-pd-nav-label {
  display: block;
  font-size: 13px;
  color: var(--zd-text-light);
  margin-bottom: 6px;
}

.zd-pd-nav-item a {
  font-size: 15px;
  font-weight: 500;
  color: var(--zd-dark);
  text-decoration: none;
  transition: color 0.3s ease;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.zd-pd-nav-item a:hover {
  color: var(--zd-primary);
}

.zd-pd-next {
  text-align: right;
}

/* 返回列表 */
.zd-pd-back {
  text-align: center;
}

.zd-pd-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: 14px;
  font-weight: 500;
  color: var(--zd-white);
  background: var(--zd-primary);
  border-radius: 30px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.zd-pd-back a:hover {
  background: var(--zd-accent);
}

/* 右侧更多产品 */
.zd-pd-sidebar {
  position: sticky;
  top: 90px;
}

.zd-pd-sidebar-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--zd-dark);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--zd-primary);
}

.zd-pd-rel-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--zd-border);
  text-decoration: none;
  transition: background 0.3s ease, padding 0.3s ease;
}

.zd-pd-rel-item:last-child {
  border-bottom: none;
}

.zd-pd-rel-item:hover {
  background: var(--zd-bg);
  padding-left: 10px;
  padding-right: 10px;
}

.zd-pd-rel-img-wrap {
  width: 80px;
  height: 60px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.zd-pd-rel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.zd-pd-rel-item:hover .zd-pd-rel-img {
  transform: scale(1.1);
}

.zd-pd-rel-info {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

.zd-pd-rel-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--zd-text);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}

.zd-pd-rel-item:hover .zd-pd-rel-name {
  color: var(--zd-primary);
}

/* 产品详情页响应式 */
@media (max-width: 992px) {
  .zd-pd-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .zd-pd-showcase {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .zd-pd-sidebar {
    position: static;
  }

  .zd-pd-rel-item {
    padding-left: 0;
    padding-right: 0;
  }

  .zd-pd-rel-item:hover {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (max-width: 768px) {
  .zd-pd-page {
    padding: 40px 0 60px;
  }

  .zd-pd-title {
    font-size: 22px;
  }

  .zd-pd-main-img {
    border-radius: 6px;
  }

  .zd-pd-thumb {
    width: 64px;
    height: 64px;
  }

  .zd-pd-actions {
    gap: 10px;
  }

  .zd-pd-btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .zd-pd-nav {
    flex-direction: column;
    gap: 16px;
  }

  .zd-pd-next {
    text-align: left;
  }
}


/* ============================================
   隐私政策/法律页面 (yinsi.html)
   ============================================ */
.zd-legal-page {
  padding: 60px 0 80px;
}

.zd-legal-content {
  max-width: 900px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.9;
  color: var(--zd-text);
}

.zd-legal-content h2,
.zd-legal-content h3,
.zd-legal-content h4 {
  font-weight: 600;
  color: var(--zd-dark);
  margin: 32px 0 16px;
}

.zd-legal-content h2 {
  font-size: 22px;
}

.zd-legal-content h3 {
  font-size: 18px;
}

.zd-legal-content p {
  margin-bottom: 16px;
}

.zd-legal-content ul,
.zd-legal-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.zd-legal-content li {
  margin-bottom: 8px;
}

.zd-legal-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 16px 0;
}

.zd-legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.zd-legal-content table td,
.zd-legal-content table th {
  border: 1px solid var(--zd-border);
  padding: 8px 12px;
  font-size: 14px;
}

@media (max-width: 768px) {
  .zd-legal-page {
    padding: 40px 0 60px;
  }

  .zd-legal-content {
    font-size: 14px;
  }
}