.banner-img1 {
  width: 100%;
  height: 374px;
  background-image: url("/static/pc/img/djjs_bg.png");
  max-width: 2200px;
  width: 100%;
  background-size: 100%;
  margin-top: 0;
  transition: all 0.5s;
  box-sizing: border-box;
  margin: 0 auto;
  background-repeat: no-repeat;
}

.banner-img2 {
  width: 100%;
  height: 374px;
  background-image: url("/static/pc/img/banner2.png");
  max-width: 2200px;
  width: 100%;
  background-size: 100%;
  margin-top: 0;
  transition: all 0.5s;
  box-sizing: border-box;
  margin: 0 auto;
  background-repeat: no-repeat;
}

.banner-img3 {
  width: 100%;
  height: 374px;
  background-image: url("/static/pc/img/banner3.png");
  max-width: 2200px;
  width: 100%;
  background-size: 100%;
  margin-top: 0;
  transition: all 0.5s;
  box-sizing: border-box;
  margin: 0 auto;
  background-repeat: no-repeat;
}

.certification-banner {
  width: 100%;
  overflow: hidden;
}

.new-introduction-nav {
  position: fixed;
  top: 30.2%;
  z-index: 2;
  float: left;
  transition: all 0.3s;
}

.new-introduction-nav li {
  width: 220px;
  height: 60px;
  background-color: #ecf2fd;
  display: flex;
  justify-content: center;
  cursor: pointer;
  align-items: center;
  transition: all 0.3s;
}

/* 第一个li下的a标签*/
.new-introduction-nav li:nth-child(1) {
  background-color: rgba(6, 54, 126, 0.8);
}

.new-introduction-nav li:nth-child(1) a {
  color: #fff;
}

.new-introduction-nav li a:hover {
  background-color: #e0eafb;
  color: #0052d9;
}

.new-introduction-nav li a {
  display: block;
  width: 200px;
  height: 50px;
  border-radius: 8px;
  font-family: SourceHanSansSC, SourceHanSansSC;
  font-weight: 400;
  font-size: 20px;
  color: #333333;
  display: flex;
  align-items: center;
  padding-left: 20px;
}

/* ====== Level2 报名限制弹窗样式 ====== */
.gate-dialog-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
}

.gate-dialog-mask.show {
  display: flex;
}

/* ====== 弹窗主体 ====== */
.gate-dialog {
  background: #fff;
  border-radius: 16px;
  width: 460px;
  max-width: 90vw;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  animation: gateDialogIn 0.3s ease;
}

@keyframes gateDialogIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 蓝色顶栏 */
.gate-top {
  background: linear-gradient(135deg, #0052d9, #2979ff);
  padding: 28px 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.gate-top::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.gate-top-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.gate-top-desc {
  font-size: 13px;
  opacity: 0.85;
  position: relative;
  z-index: 1;
}

/* 选项列表 */
.gate-body {
  padding: 24px 28px 28px;
}

.gate-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gate-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 16px;
  border: 2px solid #e8ecf0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.gate-card:hover {
  border-color: #0052d9;
  background: #fafcff;
}

.gate-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #f0f7ff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.gate-card-icon svg {
  width: 22px;
  height: 22px;
  fill: #0052d9;
}

.gate-card-text {
  flex: 1;
}

.gate-card-title {
  font-size: 14px;
  font-weight: 600;
  color: #333;
  margin-bottom: 2px;
}

.gate-card-sub {
  font-size: 12px;
  color: #999;
}

.gate-card-price {
  font-size: 20px;
  font-weight: 700;
  color: #e53935;
  flex-shrink: 0;
}

/* 底部 */
.gate-footer {
  padding: 0 28px 24px;
  text-align: center;
}

.gate-close-text {
  display: inline-block;
  background: none;
  border: none;
  color: #bbb;
  font-size: 13px;
  cursor: pointer;
  padding: 6px 12px;
}

.gate-close-text:hover {
  color: #888;
}

/* 响应式 */
@media (max-width: 480px) {
  .gate-dialog {
    border-radius: 12px;
  }
  .gate-top {
    padding: 22px 20px;
  }
  .gate-top-title {
    font-size: 16px;
  }
  .gate-body {
    padding: 18px 18px 22px;
  }
  .gate-card {
    padding: 14px 12px;
    gap: 12px;
  }
  .gate-card-price {
    font-size: 18px;
  }
}