/* 统一导航栏Popover样式 */
.navbar .nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px; /* 增加最大宽度以容纳所有导航项 */
  width: 100%;
}

.navbar .nav-links {
  display: flex;
  gap: 40px !important; /* 导航项间距 */
  align-items: center;
}

.navbar .nav-links a {
  white-space: nowrap !important; /* 强制不换行 */
}

.nav-auth-links {
  white-space: nowrap !important;
}

.nav-auth-links a {
  white-space: nowrap !important;
}

.nav-item-with-popover {
  position: relative;
}

/* 行业资讯导航 popover：纯 CSS 划入显示，兼容所有页面 */
.nav-news-item:hover .popover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.cbn-nav-popover {
  display: flex;
  flex-direction: column;
  width: 200px;
  min-width: 200px;
  max-width: 200px;
}

.cbn-nav-popover .cbn-nav-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.2s ease;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.cbn-nav-popover .cbn-nav-item:last-child {
  border-bottom: none;
}

.cbn-nav-popover .cbn-nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.cbn-nav-popover .cbn-nav-item-title {
  display: block;
  max-width: 100%;
  min-width: 0;
  color: #d1d5db;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap !important;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s ease;
}

.cbn-nav-popover .cbn-nav-item:hover .cbn-nav-item-title {
  color: #fff;
}

.cbn-nav-popover .cbn-nav-item-date {
  color: #6b7280;
  font-size: 12px;
}

.cbn-nav-popover .cbn-nav-empty {
  padding: 16px 18px;
  color: #6b7280;
  font-size: 13px;
  text-align: center;
}

.nav-item-with-popover .popover {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: #0b0e14;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  padding: 0;
  min-width: 200px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.15s ease,
    visibility 0.15s ease,
    transform 0.15s ease;
  margin-top: 5px;
  pointer-events: none;
}

.nav-item-with-popover .popover.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* 为导航项添加悬停区域 - 确保popover区域被包含 */
.nav-item-with-popover::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 25px;
  background: transparent;
  z-index: 999;
}

.nav-item-with-popover .popover::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #0b0e14;
}

.nav-item-with-popover .popover::after {
  content: "";
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-bottom: 9px solid rgba(255, 255, 255, 0.1);
  z-index: -1;
}

.popover-content {
  padding: 8px 0;
}

.popover-item {
  padding: 12px 20px;
  color: #9ca3af;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

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

.popover-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  padding-left: 20px;
}

/* 登录和注册按钮悬停效果 */
.navbar a[href="https://ai.haimamedia.com/login"]:hover,
.navbar a[href="https://ai.haimamedia.com/login?type=1"]:hover {
  color: #3b82f6 !important;
  transition: color 0.3s ease;
}

/* 防止补充 width/height 属性后 CSS 只改宽度导致变形 */
img { height: auto; }

.navbar .logo img {
  height: 20px;
  width: auto;
}