body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  color: #1f2937;
  background: #f8fafc;
}

header {
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
}

.navbar-default {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.navbar-default .navbar-nav > li > a {
  color: #475569;
  font-weight: 500;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: #2563eb;
}

.banner2:after {
  background: linear-gradient(180deg, #2563eb, #1d4ed8);
}

.ban2_text .ban2_status .ban2_middle {
  letter-spacing: 2px;
}

.proceed {
  border-radius: 999px;
  border-color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
}

.proceed:hover {
  color: #1d4ed8;
  background: #ffffff;
  border-color: #ffffff;
}

.screen3 {
  background: #f1f5f9;
}

.screen3 .server-head {
  color: #334155;
}

.screen4 {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.88)), url(../images/tese.jpg) no-repeat;
  background-size: cover;
}

.address footer {
  background: #0f172a;
}

.address footer ul h4 {
  color: #e2e8f0;
}

.address footer ul li,
.address footer ul li a {
  color: #94a3b8;
}

.address footer ul li a:hover {
  color: #e2e8f0;
}

.xinxi {
  color: #94a3b8;
}