.banner {
  height: 400px;
}
.banner .banner-txt {
  max-width: 600px;
  height: 400px;
}
.banner .banner-txt h1 {
  color: #002249;
  font-size: 48px;
  font-weight: bold;
  line-height: 60px;
  margin-bottom: 30px;
}
.banner .banner-txt p {
  font-size: 16px;
  font-weight: 400;
  color: #002249;
  line-height: 34px;
}
.tit1 h2 {
  color: #002249;
  font-weight: bold;
}
.tit1 p {
  color: #738ba5;
  font-size: 18px;
}
.bg-f4f7fd {
  background-color: #f4f7fd;
}
.security-framework {
  padding: 60px 0 50px;
}
.security-framework .flex-row {
  align-items: center;
  justify-content: space-between;
}
.security-framework .flex-item {
  padding: 30px 0;
}
.security-framework .flex-item.i {
  width: 57%;
}
.security-framework .flex-item.t {
  width: 42%;
}
.security-framework .flex-item:nth-child(even) {
  padding-left: 20px;
}
.security-framework .flex-item h4 {
  color: #333;
  font-size: 24px;
  margin: 0 0 15px;
  font-weight: bold;
}
.security-framework .flex-item h4 strong {
  color: #ef2a3a;
}
.security-framework .flex-item label {
  font-size: 20px;
  line-height: 36px;
}
.security-framework .flex-item p {
  font-size: 14px;
  line-height: 28px;
  color: #666666;
}
@media screen and (max-width: 576px) {
  .security-framework .flex-item.i {
    display: none;
  }
  .security-framework .flex-item.t {
    width: 100%;
  }
  .security-framework .flex-item {
    width: 100%;
    padding: 15px 0;
  }
  .security-framework .flex-item:nth-child(even) {
    padding-left: 0;
  }
  .security-framework h4 {
    font-size: 20px;
  }
  .security-framework p {
    font-size: 14px;
    line-height: 26px;
  }
}
.security-point {
  padding: 20px 0 70px;
}
.security-point .point-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: stretch;
  gap: 20px;
}
.security-point .point-row h5 {
  font-size: 20px;
  font-weight: bold;
  margin: 20px 0;
}
.security-point .point-row p {
  font-size: 14px;
  line-height: 28px;
  color: #666;
}
.security-point .point-item {
  border: 1px solid #c6d3e9;
  padding: 30px;
}
@media screen and (max-width: 1200px) {
  .security-point .point-row {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media screen and (max-width: 576px) {
  .security-point .point-row {
    grid-template-columns: repeat(1, 1fr);
  }
}
.security-case {
  padding: 20px 0 90px;
}
.security-case .case-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: stretch;
  gap: 30px;
}
.security-case .case-info {
  padding: 30px 40px;
}
.security-case .case-item {
  border: 1px solid #d2deee;
}
.security-case .case-item h5 {
  font-size: 24px;
  font-weight: bold;
  margin: 0 0 20px;
}
.security-case .case-item p {
  font-size: 14px;
  line-height: 28px;
  color: #666;
  margin: 0;
}
.security-case .case-txt {
  display: flex;
  flex-direction: row;
  gap: 10px;
  align-items: top;
  margin-bottom: 10px;
}
.security-case .case-txt span {
  display: inline-block;
  background-color: #eeeeee;
  padding: 0 15px;
  text-align: center;
  border-radius: 14px;
  line-height: 28px;
  white-space: nowrap;
}
.security-case .case-txt p {
  color: #333;
}
@media screen and (max-width: 768px) {
  .security-case .case-row {
    grid-template-columns: repeat(1, 1fr);
  }
}
.security-table {
  background: url(../image/ddos-b1.jpg) no-repeat;
  background-size: cover;
  padding: 30px 0 80px;
}
.security-table table {
  max-width: 880px;
  margin: auto;
  background-color: #fff;
  border: 1px solid #cbd1e0;
}
.security-table .title {
  background-image: linear-gradient(to right, #209cff, #68e0cf);
}
.security-table th {
  padding: 15px 20px;
  text-align: center;
  color: #fff;
  font-weight: normal;
}
.security-table td {
  border: 1px solid #cbd1e0;
  padding: 20px 20px;
}
.security-table td p {
  text-align: center;
}
.security-table td:first-child {
  width: 16.7%;
}
.security-table td:nth-child(3) {
  width: 33.3%;
}
.security-footer {
  padding: 50px 0;
  background: url(../image/ddos-b2.jpg) no-repeat;
  background-size: cover;
}
.security-footer .footer-item {
  margin: 10px;
  color: #fff;
  font-size: 24px;
  font-weight: 300;
}
.security-footer .footer-item h3 {
  font-size: 36px;
  margin: 0 0 10px;
}
.security-footer .footer-item .tag {
  display: inline-block;
  color: #333;
  background-color: #fff;
  padding: 5px 20px;
  text-align: center;
  border-radius: 28px;
  line-height: 28px;
  white-space: nowrap;
  margin-right: 10px;
  font-size: 18px;
}
@media screen and (max-width: 768px) {
  .security-footer .footer-item {
    font-size: 18px;
  }
  .security-footer .footer-item h3 {
    font-size: 24px;
  }
}
.security-function {
  padding: 30px 0 90px;
}
.security-function .function-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  gap: 30px;
}
.security-function .function-item {
  background-color: #fff;
  padding: 30px;
  text-align: center;
}
.security-function h5 {
  font-size: 24px;
  font-weight: bold;
  margin: 20px 0;
}
.security-function p {
  font-size: 14px;
  line-height: 26px;
  text-align: center;
  color: #666;
  margin: 0;
}
@media screen and (max-width: 1200px) {
  .security-function .function-row {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media screen and (max-width: 768px) {
  .security-function .function-row {
    grid-template-columns: repeat(1, 1fr);
  }
}
.security-ddos .security-point .point-row,
.security-firewall .security-point .point-row {
  grid-template-columns: repeat(2, 1fr);
}
.security-ddos .security-point .point-item,
.security-firewall .security-point .point-item {
  padding: 20px 20px 10px;
}
.security-ddos .security-point .point-img,
.security-firewall .security-point .point-img {
  width: 90px;
}
.security-ddos .security-point .point-txt,
.security-firewall .security-point .point-txt {
  flex: 1;
}
.security-ddos .security-point .point-info,
.security-firewall .security-point .point-info {
  display: flex;
  flex-direction: row;
  align-items: top;
}
.security-ddos .security-point .point-info h5,
.security-firewall .security-point .point-info h5 {
  margin-top: 0;
  margin-bottom: 10px;
}
.security-ddos .security-case .case-row,
.security-firewall .security-case .case-row {
  grid-template-columns: repeat(3, 1fr);
}
.security-ddos .security-case .case-info,
.security-firewall .security-case .case-info {
  padding: 20px 30px;
}
@media screen and (max-width: 768px) {
  .security-ddos .security-point .point-row,
  .security-firewall .security-point .point-row,
  .security-ddos .security-case .case-row,
  .security-firewall .security-case .case-row {
    grid-template-columns: repeat(1, 1fr);
  }
}