/* 确保一级菜单项相对定位，为子菜单绝对定位提供基准 */
.stylecnc-menu > li {
    position: relative;
}



/* 三级菜单定位在二级菜单右侧 */
.stylecnc-menu .sub-menu .sub-menu {
    top: 0;
    left: 100%;
}

/* 鼠标悬停在父菜单项上时显示其直接子菜单 */
.stylecnc-menu > li:hover > .sub-menu,
.stylecnc-menu .sub-menu li:hover > .sub-menu { 
    display: block;
}

/* 可选：为菜单项添加悬停效果 */
.stylecnc-menu li a:hover {
    
}

.submenu-arrow {
    margin-left: 6px;
    font-size: 0.7em;
    color: #002255;
}
    /* 1. 一级菜单基准 */
.stylecnc-menu > li{ position:relative; }

/* 2. 子菜单：完全用 visibility/opacity 控制 */
.stylecnc-menu .sub-menu{
    position:absolute;
    top:62px; left:0;
    min-width:260px;
    list-style:none; padding:0; margin:0;
    z-index:1000;

    /* 关键：用 visibility/opacity，而不是 display */
    visibility:hidden;
    opacity:0;
    transition:visibility 0s linear .2s,   /* 0.2s 是给桥的时间 */
               opacity   .2s ease;
}

/* 三级菜单定位 */
.stylecnc-menu .sub-menu .sub-menu{
    top:0; left:100%;
}

/* 3. 透明桥：盖住 82 px 缝隙，让鼠标不会离开 */
.stylecnc-menu > li::after{
    content:'';
    position:absolute;
    top:100%; left:0;
    width:100%; height:82px;
    background:transparent;
    z-index:999;          /* 位于子菜单之下 */
}

/* 4. 鼠标进入父 li 立即显示子菜单（无延迟） */
.stylecnc-menu > li:hover > .sub-menu,
.stylecnc-menu .sub-menu li:hover > .sub-menu{
    visibility:visible;
    opacity:1;
    transition-delay:0s;  /* 立刻出现 */
}

/* 5. 离开父 li 2 秒后再隐藏（通过 JS 给 body 加类名） */
body.menu-leave .sub-menu{
    visibility:hidden;
    opacity:0;
    transition-delay:2s;  /* 只延迟隐藏 */
}


.header-zdy{
    display: flex;margin-left: -15px;width:85%
}


/* 基础 */
.hero-slider-banner {background-color:#002255;position:relative;width:100%;height:100vh;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial}
.hero-slides-banner .slide-banner {position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;transition:opacity .6s;z-index:1}
.hero-slides-banner .slide-banner.active-banner {opacity:1;z-index:2}

/* 文字 & 按钮 */
.slide-caption-banner {position:absolute;width:65%;height:100%;color:#fff;background:linear-gradient(90deg, #025 0%, transparent 100%);}
.slide-text-banner {font-size:20px;line-height:1.6;margin-bottom:20px;background:rgba(0,0,0,.5);padding:16px 24px;border-radius:4px;display:inline-block}
.slide-btns-banner {display:flex;gap:14px;flex-wrap:wrap}
.btn-banner.hero-btn-banner {background:#DB3700;color:#fff;padding:10px 28px;font-size:20px;text-decoration:none;transition:.3s}
.btn-banner.hero-btn-banner:hover {box-shadow: 0 0 5px #fff,0 0 10px #fff,0 0 15px #ff4da6;}
.slide-desc1-banner {font-size:1.6rem;font-weight:700}
.slide-desc2-banner {font-size:1.4rem;font-weight:700;padding-top:10px;padding-bottom:10px}
#maximg table {
  border: 1px solid #ddd !important; /* 慎用 !important */
  border-collapse: collapse !important;
}
#maximg td, #maximg th {
  border: 1px solid #ddd !important;
  padding: 8px; /* 添加内边距使内容更美观 */
}

/* 箭头 */
.hero-arrow-banner {position:absolute;top:50%;transform:translateY(-50%);z-index:10;background:rgba(0,0,0,.45);color:#fff;border:none;width:50px;height:50px;font-size:26px;border-radius:50%;cursor:pointer}
.hero-arrow-banner:hover {background:rgba(0,0,0,.7)}
.hero-arrow-banner.left-banner {left:20px}
.hero-arrow-banner.right-banner {right:20px}
.lbny-banner {padding-top:27%;padding-left:12%;}

/* 小圆点 */
.hero-dots-banner {position:absolute;bottom:25px;left:50%;transform:translateX(-50%);z-index:10;display:flex;gap:8px}
.hero-dot-banner {width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer}
.hero-dot-banner.active-banner {background:#fff}
/* 标题背景条：从左拉到 100% 宽度 */
.slide-title-wrap-banner {background: linear-gradient(-45deg,transparent 10%,#db3700 0) 100% 100%;color: #fff;line-height: 100%;text-transform: uppercase;margin-left: -22.3%;}
.slide-title-banner {
font-size: 1.7rem;
    padding-left:18%;
    padding-top: 12px;
    padding-bottom: 12px;
    margin-bottom: 1.5rem;
    color: #fff;
}
.lbny-banner {
    opacity:0;
    transform:translateX(-50px);
    transition:all .6s ease-out;
}
.slide-banner.active-banner .lbny-banner {
    opacity:1;
    transform:translateX(0);
}
/* ===== 手机端一次合并 ===== */
@media (max-width: 768px){
  .hero-slider-banner {height:30vh}

  /* 整体渐变背景 */
  .slide-caption-banner {
    background: linear-gradient(90deg,#025 0%,transparent 85%);
  }
.slide-title-wrap-banner {background: linear-gradient(-55deg,transparent 10%,#db3700 0) 100% 100%;}
  /* 标题 */
  .slide-title-banner {
    margin-left: 7%;
    font-size:1.1rem;
    padding:8px 0 8px 12%;
    margin-bottom:.8rem;
  }

  /* 描述文字 */
  .slide-desc1-banner {font-size:0.8rem;font-weight:700;margin:0}
  .slide-desc2-banner {font-size:0.5rem;font-weight:700;padding:6px 0;margin:0}

  /* 按钮 */
  .btn-banner.hero-btn-banner {
    font-size:.9rem;
    padding:6px 18px;
  }

  /* 箭头 */
  .hero-arrow-banner {width:36px;height:36px;font-size:20px}
  .hero-arrow-banner.left-banner {left:10px}
  .hero-arrow-banner.right-banner {right:10px}
}


/* 视口：显示 3 张 */
.blog-slider-viewport-qh{
  width:100%;
  overflow:hidden;
  position:relative;
}
/* 轨道：flex 横向 */
.blog-slider-track-qh{
  display:flex;
  transition:transform .4s ease;
}
/* 单张卡片：占 1/3 视口 */
.blog-card-item-qh{
  flex:0 0 calc(100% / 3);
  box-sizing:border-box;
  padding:0 10px;
}
.slider-nav-qh{
  position:relative;
  display:flex;
  justify-content:center;
  gap:20px;
  margin-top:30px;
}
.nav-btn-qh{
  width:46px;
  height:46px;
  border:none;
  border-radius:50%;
  background:#0066ff;
  color:#fff;
  font-size:24px;
  line-height:1;
  cursor:pointer;
  box-shadow:0 4px 12px rgba(0,102,255,.3);
  transition:.3s;
}
.nav-btn-qh:hover{
  background:#004fd0;
  transform:translateY(-2px);
}
.nav-btn-qh:active{ transform:translateY(0); }