* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,
body {
    font-size: 14px;
    color: #000;
}
ul,
li {
    margin: 0;
    padding: 0;
    list-style-type: none;
}
p {
    margin: 0;
    padding: 0;
}
a {
    color: #000;
    text-decoration: none;
}
img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
body {
    background-color: #f1f1f1;
}
.container {
    max-width: 1200px;
    margin: auto;
    overflow: auto;
    min-width: 1000px;
    max-width: 1500px;
}
.title-wrap {
    padding: 30px 0;
    text-align: center;
}
.title-wrap .main-title {
    font-size: 30px;
    font-weight: 400;
}
.title-wrap .sub-title {
    font-size: 20px;
}
.wrap {
    background-color: #fff;
}
.wrap.introduce {
    margin-top: 30px;
}
.column-layout {
    display: flex;
    padding-bottom: 40px;
}
.column-layout .text {
    flex: 1;
    text-indent: 2em;
    font-size: 16px;
    line-height: 30px;
    letter-spacing: 1px;
    margin-right: 40px;
}
.column-layout .pic-box {
    flex: 1;
}
.pt-30 {
    padding-top: 30px;
}
.bg-gray {
    background-color: #f1f1f1;
}
.flex {
    display: flex;
}
.p-relative {
    position: relative;
}

.flex-container {
    display: flex;
    flex-wrap: nowrap;
    min-width:800px;
}

.flex-item {
   flex-shrink: 0;
}

@media (max-width: 768px) {
    img {
      width: 300px;
      height: 200px;
      object-fit:cover;
    }
  }