body {
  background: #f2f5f7;
  margin: auto;
}
.nav {
  position: fixed;
  width: 100px;
  top: 400px;
  left: 100vw;
  text-align: center;
  transition: all 0.5s;
}

.nav-in {
  left: calc(50vw + 600px);
}

.nav > a {
  display: block;
  margin: 10px 0;
  background: #1cb877;
  padding: 10px;
  color: #fff;
  text-decoration: none;
}
.banner {
  background: #1cb877;
  color: #fff;
  padding: 20px;
  text-align: center;
  font-size: 60px;
  font-weight: bold;
}
section {
  margin: 50px auto;
  padding: 20px 0;
  background: #fff;
  width: 100%;
  max-width: 1200px;
  border-radius: 20px;
}
.section1 {
  margin: 10px auto;
}
h1 {
  text-align: center;
  color: #1cb877;
}
h1::before,
h1::after {
  content: "";
  display: inline-block;
  margin: 10px 20px;
  width: 200px;
  border-bottom: 2px dotted #1cb877;
}

::selection {
  background-color: rgb(255, 230, 0);
}

/* 表格 */
table {
  border-collapse: collapse;
  width: 100%;
  text-align: center;
}

tr {
  height: 30px;
  width: 100px;
  /* border: 1px solid #ccc; */
  padding: 20px;
}

th,
td {
  padding: 20px;
  width: calc(100% / 11);
}
tr:nth-child(odd) {
  background-color: #fffaee;
}
tr:nth-child(1) {
  background-color: #1cb877;
  color: #f2f2f2;
}
td:nth-child(1) {
  background-color: #1cb877;
  color: #f2f2f2;
}

tr:nth-child(even) > td:nth-child(1) {
  background-color: #11ac6b;
  color: #f2f2f2;
}
/* 搜索 */
.search-box {
  text-align: center;
  background: #f2f2f2;
  border-radius: 20px;
  padding: 20px;
  width: 90%;
  margin: auto;
}
label {
  margin-right: 40px;
}

input,
select {
  border: none;
  padding: 10px;
  min-width: 100px;
  outline: 2px solid #cdebde;
}

input:focus,
select:focus {
  outline: 2px solid #1cb877;
}

.btn {
  display: inline-block;
  background: #1cb877;
  color: #fff;
  padding: 10px;
  width: 100px;
  outline: none;
  cursor: pointer;
  transition: all 0.5s;
}
.btn:hover {
  background: #ff9900;
  border-radius: 20px;
}
/* 列表 */
#list {
  padding: 10px;
}

#list > li {
  display: inline-flex;
  padding: 10px;
  width: 150px;
  height: 80px;
  background: #f7f3e1;
  margin: 10px;
  border: 1px solid rgb(235, 228, 198);
  cursor: pointer;
}

td {
  cursor: pointer;
}
tr > td:nth-child(n + 2):hover,
#list > li:hover {
  background: #ddeeee;
}
.last-one {
  flex: 1;
}
/* 其他资源 */
.links {
  text-align: center;
}
.links > a {
  border-radius: 0px;
  display: inline-block;
  width: 200px;
  padding: 20px;
  margin: 20px;
  background: #1cb877;
  color: #fff;
  text-align: center;
  transition: all 0.5s;
}

.links > a:hover {
  background: #ff9900;
  border-radius: 20px;
}

.hide {
  display: none !important;
}