*,
html,
body {
  margin: 0;
  padding: 0;
}

html,
body {
  color: #222222;
  font-size: 1em;
  line-height: 1.4;
  font-family: "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC",
    "WenQuanYi Micro Hei", "Helvetica Neue", "Helvetica", "Arial", "sans-serif";
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:active {
  text-decoration: none;
}

ul {
  list-style: none;
}

.mt-1 {
  margin-top: 1rem;
}

.index-body {
  /*  
  background-image: url("../image/index-bg.jpg");
  background-repeat: no-repeat;
  background-size: cover; */
  background-image: linear-gradient(#075a7d, #9fdac6);
}

.xm-index-block h1,
.xm-index-block h2 {
  text-align: center;
  letter-spacing: 2px;
}

.xm-index-block h1 {
  font-size: 1.5rem;
}

.xm-index-block h2 {
  font-size: 1.3rem;
  letter-spacing: 5px;
  margin-bottom: 0.5rem;
}

.index-title {
  border-bottom: 1px solid #fff;
  letter-spacing: 1px;
}

.xm-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.article-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  margin: 0 1rem;
}

.xm-container h1 {
  font-size: 1.5rem;
  text-align: center;
  margin: 1rem auto;
}

.xm-info {
  margin-bottom: 1rem;
}

.xm-info span {
  color: #333;
  padding: 0.5rem 1rem;
}

.section-image {
  display: flex;
  flex-direction: column;
  justify-content: start;
  align-items: center;
  align-content: center;
}

.section-image img {
  width: 80%;
  height: auto;
  margin: .5rem auto;
}

@media screen and (max-width: 960px){
  .section-image img {
    width: 100%;
  }
}


.xm-content-block {
  line-height: 1.7rem;
  background-color: rgba(181, 227, 227,0.3);
  margin: 1rem 0;
  border-radius: 5px;
  border: 1px solid rgb(48, 128, 128);
  box-shadow: 3px 3px 5px rgba(20,52,52,0.3) /* 水平偏移、垂直偏移、模糊半径和颜色 */
}

.xm-sec-title .xm-span {
  position: relative;
  font-size: 1.2rem;
  letter-spacing: 1px;
  padding: 1rem 1.5rem;
  background-color: rgba(181, 227, 227,0.4);
  color: rgb(33, 94, 94);
  border-bottom: 1px solid rgb(48, 128, 128);
}

.xm-sec-title .xm-span::before {
  content: "";
  position: absolute;
  display: block;
  top: 20px;
  left: 10px;
  width: 4px;
  height: 20px;
  margin-right: 7px;
  background-color: rgb(48, 128, 128);
}

.li-title {
  letter-spacing: 1px;
  color: rgb(48, 128, 128);
}

.xm-border-right {
  /* padding: 1rem;
  border-bottom: 1px solid rgb(48, 128, 128);
  border-right: 1px solid rgb(48, 128, 128); */
}

.xm-border-left {
  /* padding: 1rem;
  border-bottom: 1px solid rgb(48, 128, 128);
  border-left: 1px solid rgb(48, 128, 128); */
}

.xm-content-block {
  width: 100%;
}

.xm-sec-content {
  padding: 1rem;
}

.xm-sec-content li {
  display: block;
  word-wrap: break-word;
  word-break: break-all;
  white-space: normal;
  padding: 0.5rem;
}

.xm-sec-content li:nth-of-type(even) {
  background-color: rgba(166, 221, 221,0.3);
}

.xm-index-block {
  color: #fff;
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 10px;
  margin: 1rem;
  padding: 1rem;
  line-height: 1.5rem;
}

.index-title {
  font-size: 1.2rem;
}

.index-index {
  padding-left: 1rem;
}

.index-index li {
  line-height: 2rem;
  display: block;
  width: 100%;
  word-wrap: break-word;
  word-break: break-all;
  white-space: normal;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed #ddd;
}
.index-index li a {
  display: block;
}

.index-index li a::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: #fff;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
}

.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: rgb(48, 128, 128);
  overflow: hidden;
}

.declare-block {
  margin-bottom: 1.5rem;
}

.declare-block header {
  width: 100%;
  text-align: center;
  letter-spacing: 2px;
}
.declare-block section {
  font-size: 1.1rem;
  line-height: 1.65;
  text-indent: 2.2rem;
}
.declare-block footer {
  font-size: 1.1rem;
  line-height: 1.65;
  width: 100%;
  text-align: right;
}

.bottom-list {
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
}

.bottom-list li {
  display: inline-block;
  margin: 0 0.5rem;
}

.xm-contact {
  width: 100%;
  margin: 1rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.xm-contact .a-button {
  display: block;
  border-radius: 4px;
  border: 1px solid rgb(48, 128, 128);
  background-color: rgb(48, 128, 128);
  color: #fff;
  padding: 0.5rem 1.5rem;
  margin: 0 0.5rem;
}

.red {
  color: red;
}

.contact-container {
  width: 100%;
}

.contact-block{
  width: calc(100% - 1rem);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
}

.contact-block h2{
  font-size: 1rem;
}
.contact-block dl, .contact-block dt,.contact-block dd {
  width: 100%;
}

.contact-block input{
  width: 100%;
  height: 1.5rem;
}

.brief-content {
  background-color: rgb(255,255,255);
  margin: 1rem 0.5rem;
  border-radius: 5px;
  border: 1px dashed rgb(48, 128, 128);
}

.common-footer, .footer-content{
  display: flex;
  justify-content: center;
  align-items: center;
  item-align: center;
}

.common-footer {
  flex-wrap: wrap;
}
.footer-content{
  margin: 0 0.5rem;
}

.footer-content, .footer-content-column{
  margin: 0 0.5rem;
}

.footer-content-column {
  flex-direction: column;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.xm-sec-content li {
  font-size: 0;
}

.xm-sec-content li span{
  font-size: 1rem;
}