* {
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
}

img {
  display: block;
}

.banner a {
  display: block;
}

.banner img {
  width: 100%;
}

.paragraph {
  padding: 50px 0 0;
  width: 1190px;
  margin: 0 auto;
}

.p_title {
  text-align: center;
  font-size: 40px;
  color: #2f2f2f;
  font-weight: bold;
  line-height: 42px;
}

.p_title::after {
  content: "";
  display: block;
  width: 290px;
  height: 1px;
  background: #747474;
  margin: 14px auto 0;
}

.kttp {
  overflow: hidden;
  margin-top: 50px;
}

.kttp a {
  display: block;
  float: left;
  line-height: 0;
  margin-right: 10px;
}

.kttp a:nth-child(3n+3) {
  margin-right: 0;
}

.kttp a:nth-child(n+4) {
  margin-top: 10px;
}