body {
  background-color: #fff;
  color: #044837;
  margin: 0;
  padding: 0;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  line-height: 1.5;
  box-sizing: border-box;
}

main {
  padding: 10px;
}

a {
  text-decoration: none;
  color: #000;
}

img {
  width: 100%;
}

.loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.3);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999999;
}

.loader {
  border: 6px solid #f3f3f3;
  border-top: 6px solid #3498db;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.ad_top {
  text-align: center;
  margin: 5px auto;
}

.ad_top > div > div {
  margin: 0 auto;
}

.type-active {
  color: #3377ff !important;
}

.logo div {
  font-size: 20px;
  font-style: italic;
  font-weight: 600;
  color: #fff;
}

.search button {
  background-color: #fff;
}

#search-input {
  display: none;
}

.footer {
  background-color: #4285f4;
  color: #fdfdfd;
  text-align: center;
  border-top: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  font-size: 14px;
  background-color: #fff;
}

.col285 {
  background: linear-gradient(to bottom, #2c3e50, #bdc3c7);
  padding: 15px 0;
}

.footer a {
  color: #fff;
  padding: 10px;
  text-decoration: none;
  font-size: 16px;
}

.footer-title-item {
  display: flex;
  align-items: center;
  justify-content: center;
  row-gap: 10px;
}

.column {
  flex-direction: column;
}

@media (min-width: 768px) {
  header {
    box-shadow: #ccc 0px 2px 2px;
    width: 100%;
    top: 0;
    position: sticky;
    z-index: 100000;
  }

  header .header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f6f6f6;
    color: #000;
    padding: 10px 20px;
    /* border-bottom: 1px solid #ccc; */
  }

  .menu-mo,
  .search-mo {
    display: none;
    align-items: center;
    justify-content: center;
  }

  .close {
    display: none;
  }

  .logo img {
    height: 40px;
    /* 根据实际情况调整 */
  }

  .categories a {
    color: #000;
    font-weight: 600;
    text-decoration: none;
    margin: 0 10px;
  }

  .search input {
    padding: 5px;
    /* border: none; */
    border-radius: 10px;
  }

  .search button {
    padding: 7px 10px;
    border: none;
    background-color: #000;
    color: #fff;
    border-radius: 10px;
    cursor: pointer;
  }

  .column {
    flex-direction: column;
  }
  .fs20 {
    font-size: 25px;
  }
}

/* 媒体查询，适配移动端 */
@media (max-width: 768px) {
  header {
    /* flex-direction: column; */
    width: 100%;
    position: sticky;
    top: 0;
    align-items: center;
    justify-content: space-between;
    box-shadow: #ccc 0px 2px 2px;
    z-index: 100000;
    background-color: #f6f6f6;
  }

  header .header-content {
    /* flex-direction: column; */
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    position: relative;
    background: linear-gradient(to right, #2c3e50, #bdc3c7);
  }

  .menu-mo,
  .search-mo {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .categories {
    width: 50%;
    height: 100%;
    background-color: #36373c;
    position: fixed;
    z-index: 9999999;
    left: 0;
    top: 0;
    color: #fff;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    transform: translateY(-100%);
    transition: transform 300ms ease-in-out;
  }

  .categories span {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 20px;
    font-weight: 900;
  }

  .active {
    display: block;
    transform: translateY(0);
    height: 100%;
    padding-top: 30px;
  }

  .categories a {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px 0;
    margin: 5px;
    color: #fff;
    text-decoration: none;
  }

  .search {
    width: 100%;
    margin-top: 10px;
    display: none;
  }

  .search input {
    width: 70%;
  }

  .search button {
    width: 30%;
  }

  #search-input {
    width: 100%;
    height: 100%;
    background-color: #fff;
    position: fixed;
    z-index: 9999999;
    left: 0;
    top: 0;
    color: #fff;
    /* display: flex; */
    /* flex-wrap: nowrap; */
    /* align-items: center; */
    /* transform: translateY(0); */
    /* transition: transform 300ms ease-in-out; */
    display: none;
  }

  .search-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #47b897;
    padding: 10px;
  }

  #search-input input {
    /* position: absolute; */
    /* top: 0; */
    width: 70%;
    height: 20px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 10px;
  }
  .fs20 {
    font-size: 18px;
  }
  .icon {
    width: 2em;
    height: 2em;
    fill: currentColor;
    overflow: hidden;
  }
}

/* 表单样式 */
.contact-form {
  margin: 30px 0;
  padding: 25px;
  background: #f9f9f9;
  border-radius: 8px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: #333;
  margin-bottom: 8px;
}

.form-group label span {
  color: #ff4d4f;
  margin-left: 4px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.5;
  color: #333;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #05918b;
  outline: none;
  box-shadow: 0 0 0 2px rgba(5, 145, 139, 0.1);
}

.form-group textarea {
  height: 120px;
  resize: vertical;
  min-height: 80px;
  max-height: 200px;
}

.submit-btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  background-color: #05918b;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background-color: #047c77;
}

.submit-btn:active {
  transform: translateY(1px);
}