body {
  margin: 0;
}

.nav-bg{
  background-color: rgb(217, 217, 217);
}

.align-center {
  display: flex;
  justify-content: center;
}

.logo {
  display: flex;
  align-items: center;
  margin-right: 2rem;
  cursor: pointer;
}

.logo-title {
  font-weight: bold;
  font-size: 1rem;
  color: #072e58; /*#0e074e;*/
}

.logo-sub-title {
  font-size: 0.85rem;
  color: #86909c;
}

.logo img {
  width: 6rem;
  height: 2.9rem;
}

.btn-group a {
  margin-left: 1rem;
}

.vip-btn .login {
  background-color: #14c9c9;
  color: #fff;
}

.vip-btn a {
  height: 2.1rem;
  border-radius: 0.9rem;
  font-size: 0.9rem;
  border: #14c9c9 1px solid;
  min-width: 7rem;
  color: #14c9c9;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  text-align: center;
}

.vip-btn a:hover {
  background-color: #10b4b4;
  color: #fff;
}

/**链接*/
a {
  text-decoration: none;
  color: #4e5969;
}
a:hover {
  color: #14c9c9;
  text-decoration: none;
}

/**Banner**/
.banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  font-size: 2rem;
  color: #86909c;
  padding: 1rem 0;
}

.banner-sub-title {
  font-size: 1.5rem;
  color: black;
  margin: 0.6rem 0;
}

.info-section {
  background-color: #f5f8ff;
  padding: 1rem 2rem;
}

.info-section .title {
  text-align: center;
  font-size: 2rem;
  margin: 1rem;
}

.info-section .sub-title {
  font-size: 0.9rem;
  color: #666;
  text-align: center;
}
.info-section .products-text{
  font-size:1.3rem;
}
.card {
  border-radius: 5px;
  border: 0;
  background-color: #fff;
  padding: 1rem 2rem;
  font-size: 1rem;
  margin: 1rem 0;
}

.card-title {
  font-size: 1.3rem;
}

.contact-me {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 2rem;
  color: #666;
}

.contact-me .title {
  font-size: 1.5rem;
  color: #4e5969;
  margin-bottom: 1rem;
}

.contact-me-item {
  margin: 0.3rem 0;
  text-align: left;
}

/**页脚*/
.footer {
  color: #e2e2e2;
  font-size: 0.9rem;
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #4e5969;
}
.footer a {
  margin-left: 0.2rem;
  color: #e2e2e2;
}

.nav-item-a {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.nav-item-a:hover {
  background-color: #e8ffea;
}

.nav-item-img {
  width: 1.5rem;
  margin-right: 0.3rem;
}

.color-orange {
  color: #ff7d00;
}

.color-red {
  color: #f53f3f;
}

.color-arcoblue {
  color: #165dff;
}

.color-pinkpurple {
  color: #d91ad9;
}

@media (min-width: 576px) {
  .footer {
    display: flex;
    justify-content: center;
  }
  .main-header-bg-cover {
    height: 398px;
  }
  .contact-me {
    height: 218px;
  }
}
@media (min-width: 768px) and (max-width: 991.98px) {
  .card {
    padding: 0.5rem 0.6rem;
    font-size: 0.8rem;
  }
}