main {
    position: relative;
}

.inv-nav {
    position: absolute;
    right: 2rem;
    height: 100%;
    padding-top: 0.9rem;
}

.inv-nav .nlist {
    position: sticky;
    top: 1.5rem;
    z-index: 30;
}

.inv-nav .na {
    padding: 0.1rem 0.3rem;
    border-radius: 1rem;
    box-shadow: 0 0 0 1px inset #333;
    margin-bottom: 0.15rem;
    cursor: pointer;
    text-align: center;
    background-color: #f9f9f9;
}

.inv-nav .on {
    color: #fff;
    background-color: var(--active);
    box-shadow: 0 0 0 1px inset var(--active);
}

@media screen and (max-width: 900px) {
    .inv-nav {
        right: 0;
    }

    .inv-nav .na {
        padding: 0.5em 1em;
        margin-right: 0.5em;
    }
}

@media screen and (max-width: 500px) {
    .inv-nav {
        position: fixed;
        top: 10%;
        z-index: 50;
    }
}

.md-contact-1.md30233 {
  position: relative;
  padding-top: 0.9rem;
  padding-bottom: 0.95rem;
}
.md-contact-1.md30233 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 11.6rem;
  max-width: 92%;
}
.md-contact-1.md30233 .md-md {
  position: absolute;
  top: -1rem;
}
.md-contact-1.md30233 .box-left {
  width: calc( 570 / 1160 * 100%);
}
.md-contact-1.md30233 .box-right {
  width: calc( 525 / 1160 * 100%);
}
.md-contact-1.md30233 .content {
  margin-top: 0.7rem;
  line-height: calc(30 / 16);
}
.md-contact-1.md30233 .c-pic {
  border-radius: 0.06rem;
}
.md-contact-1.md30233 .img {
  padding-top: calc( 447 / 525 * 100%);
}
@media screen and (max-width: 900px) {
  .md-contact-1.md30233 .box-left {
    width: 100%;
  }
  .md-contact-1.md30233 .box-right {
    width: 100%;
    margin-top: 0.4rem;
  }
}

.md-contact-2.md30234 {
  position: relative;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.md-contact-2.md30234 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 11.6rem;
  max-width: 92%;
}
.md-contact-2.md30234 .md-md {
  position: absolute;
  top: -1rem;
}
.md-contact-2.md30234 .content {
  margin-top: 0.7rem;
  line-height: calc(34 / 16);
}

.md-contact-3.md30235 {
  position: relative;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.md-contact-3.md30235 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 11.6rem;
  max-width: 92%;
}
.md-contact-3.md30235 .md-md {
  position: absolute;
  top: -1rem;
}
.md-contact-3.md30235 .content {
  margin-top: 0.7rem;
  line-height: calc(36 / 16);
}
.md-contact-3.md30235 .tab {
  overflow-x: auto;
}
.md-contact-3.md30235 .tab table {
  min-width: 600px;
}
.md-contact-3.md30235 .tab table,
.md-contact-3.md30235 .tab td {
  border: none;
}
.md-contact-3.md30235 .tab table {
  min-width: 900px;
}
.md-contact-3.md30235 .tab td {
  padding: 0.1rem 0.3rem;
}

.md-contact-4.md30236 {
  position: relative;
  padding-top: 0.9rem;
  padding-bottom: 0.95rem;
}
.md-contact-4.md30236 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 11.6rem;
  max-width: 92%;
}
.md-contact-4.md30236 .md-md {
  position: absolute;
  top: -1rem;
}
.md-contact-4.md30236 .content {
  margin-top: 0.7rem;
  line-height: calc(30 / 16);
}

.md-contact-5.md30237 {
  position: relative;
  padding-top: 0.9rem;
  padding-bottom: 0.95rem;
}
.md-contact-5.md30237 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 11.6rem;
  max-width: 92%;
}
.md-contact-5.md30237 .md-md {
  position: absolute;
  top: -1rem;
}
.md-contact-5.md30237 .form {
  margin-top: 0.75rem;
}
.md-contact-5.md30237 .fitem {
  width: calc(365 / 1160 * 100%);
  margin-right: calc(32 / 1160 * 100%);
}
.md-contact-5.md30237 .fitem:nth-child(3n) {
  margin-right: 0;
}
.md-contact-5.md30237 .fitem {
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
}
.md-contact-5.md30237 .row-2 {
  width: calc( 765 / 1160 * 100%);
}
.md-contact-5.md30237 .fsp {
  min-width: 5em;
  margin-right: 0.2rem;
  flex-shrink: 0;
}
.md-contact-5.md30237 .f-ri {
  flex-grow: 1;
}
.md-contact-5.md30237 .s-item {
  width: calc( 1 / 3 * 100%);
  width: 100%;
}
.md-contact-5.md30237 .selects {
  border-radius: 0.06rem;
  box-shadow: 0 0 0 1px #999;
}
.md-contact-5.md30237 .my-select {
  width: 100%;
  position: relative;
}
.md-contact-5.md30237 .my-select.show .select-sub {
  opacity: 1;
  pointer-events: auto;
}
.md-contact-5.md30237 .my-select .hd {
  display: flex;
  align-items: center;
  height: calc( 42em / 16);
  cursor: pointer;
  color: #8c8c8c;
  position: relative;
  padding: 0 0.2rem;
  padding-right: 0.2rem !important;
}
.md-contact-5.md30237 .my-select .hd::before {
  content: "";
  width: 0.5em;
  height: 0.5em;
  border-right: 1px solid #bbb;
  border-bottom: 1px solid #bbb;
  position: absolute;
  top: 50%;
  right: 0.18rem;
  transform: translateY(-50%) rotate(45deg);
  pointer-events: none;
}
.md-contact-5.md30237 .my-select .hd span {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.md-contact-5.md30237 .my-select .select-sub {
  position: absolute;
  top: calc(100% + 0.06rem);
  left: 0;
  min-width: 100%;
  opacity: 0;
  pointer-events: none;
  transition: 0.5s;
  z-index: 60;
}
.md-contact-5.md30237 .my-select .blist {
  max-height: 2.4rem;
  overflow-y: auto;
  box-shadow: 0px 0px 6px 0px rgba(167, 172, 184, 0.5);
  background-color: #fff;
}
.md-contact-5.md30237 .my-select .bitem {
  background-color: #fff;
  color: #333;
  padding: 0.5em 0.3rem;
  cursor: pointer;
}
.md-contact-5.md30237 .my-select .bitem:hover {
  background-color: var(--active);
  color: #fff;
}
.md-contact-5.md30237 .my-select .bitem.selected {
  background-color: var(--active);
  color: #fff;
}
.md-contact-5.md30237 .inp {
  position: relative;
}
.md-contact-5.md30237 .ip {
  width: 100%;
  height: 2.625em;
  box-shadow: 0 0 0 1px #999;
  background-color: #000;
  border: none;
  padding: 0 1em;
  border-radius: 0.06rem;
}
.md-contact-5.md30237 .ip::-moz-placeholder {
  color: #999;
}
.md-contact-5.md30237 .ip::placeholder {
  color: #999;
}
.md-contact-5.md30237 .submit {
  padding: 0;
  height: 2.5em;
  border-radius: 1rem;
  border: solid 1px #999;
  background-color: #000;
  color: #fff;
  padding: 0 0.3rem;
  cursor: pointer;
  transition: 0.5s;
}
.md-contact-5.md30237 .submit:hover {
  background-color: var(--active);
  border-color: var(--active);
  color: #fff;
}
@media screen and (max-width: 900px) {
  .md-contact-5.md30237 .f-row {
    flex-wrap: wrap;
  }
  .md-contact-5.md30237 .fitem {
    width: 100% !important;
    margin-right: 0;
  }
}

.md-contact-6.md30238 {
  position: relative;
  padding-top: 0.9rem;
  padding-bottom: 1.7rem;
}
.md-contact-6.md30238 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 11.6rem;
  max-width: 92%;
}
.md-contact-6.md30238 .md-md {
  position: absolute;
  top: -1rem;
}
.md-contact-6.md30238 .list {
  margin-top: 0.58rem;
}
.md-contact-6.md30238 .arr {
  width: calc( 30em /  70 );
  height: 1em;
  margin: 0 0.3rem;
  background-image: url(/static/home/images/ctc6-0.png);
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}
.md-contact-6.md30238 .item {
  text-align: center;
  margin-bottom: 0.2rem;
}
.md-contact-6.md30238 .item .icon {
  display: flex;
  justify-content: center;
  margin: 0 auto;
}
.md-contact-6.md30238 .item .ii {
  max-width: 1.5em;
  height: 1em;
  -o-object-fit: contain;
     object-fit: contain;
}
.md-contact-6.md30238 .item .ite {
  margin-top: 0.16rem;
}
.md-contact-6.md30238 .content {
  margin-top: 0.45rem;
  line-height: calc(34 / 16);
}
@media screen and (max-width: 900px) {
  .md-contact-6.md30238 .arr {
    margin: 0 0.2rem;
  }
}