.trans {
  text-transform: uppercase;
}

.tit h2 a {
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.3s ease;
}

.tit h2 a:hover {
  color: #0279bc;
}

.isPc .i-section-bg .list-columns2 li {
  background-color: #fff;
}

.isWap .list-columns3 a {
  display: flex;
  flex-direction: column;
}

.isWap .list-columns3 .list-tit,
.isWap .list-columns3 img {
  width: 100%;
  float: none;
}

/* 优化的回到顶部样式 */
.totop-enhanced {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.totop-enhanced.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.totop-btn {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #d0862f 0%, #e6b87c 100%);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(208, 134, 47, 0.3);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.totop-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.totop-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(208, 134, 47, 0.4);
}

.totop-btn:hover::before {
  opacity: 1;
}

.totop-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(208, 134, 47, 0.3);
}

.totop-icon {
  width: 20px;
  height: 20px;
  color: #fff;
  margin-bottom: 2px;
  transition: transform 0.3s ease;
}

.totop-btn:hover .totop-icon {
  transform: translateY(-2px);
}

.totop-text {
  font-size: 8px;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1;
}

/* 隐藏备用版本 */
.totop-fallback {
  display: none;
}

/* PC端样式调整 */
.isPc .totop-enhanced {
  bottom: 40px;
  right: 40px;
}

.isPc .totop-btn {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #0279bc 0%, #1198e3 100%);
  box-shadow: 0 4px 20px rgba(2, 121, 188, 0.3);
}

.isPc .totop-btn:hover {
  background: linear-gradient(135deg, #0279bc 0%, #1198e3 100%);
  box-shadow: 0 8px 25px rgba(2, 121, 188, 0.4);
}

.isPc .totop-btn:active {
  background: linear-gradient(135deg, #0279bc 0%, #1198e3 100%);
  box-shadow: 0 2px 10px rgba(2, 121, 188, 0.3);
}

.isPc .totop-icon {
  width: 22px;
  height: 22px;
}

.isPc .totop-text {
  font-size: 9px;
}

/* 移动端样式调整 */
.isWap .totop-enhanced {
  bottom: 20px;
  right: 20px;
}

.isWap .totop-btn {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #0279bc 0%, #1198e3 100%);
  box-shadow: 0 4px 20px rgba(2, 121, 188, 0.3);
}

.isWap .totop-btn:hover {
  background: linear-gradient(135deg, #0279bc 0%, #1198e3 100%);
  box-shadow: 0 8px 25px rgba(2, 121, 188, 0.4);
}

.isWap .totop-btn:active {
  background: linear-gradient(135deg, #0279bc 0%, #1198e3 100%);
  box-shadow: 0 2px 10px rgba(2, 121, 188, 0.3);
}

.isWap .totop-icon {
  width: 18px;
  height: 18px;
}

.isWap .totop-text {
  font-size: 7px;
}

.footer img {
  width: 20px;
  height: 20px;
}

.footer p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin-bottom: 2px;
}

.footer p a {
  color: #fff;
  transition: all 0.3s ease;
}

.footer p a:hover {
  text-decoration: none;
  text-shadow: 0 0 1px #fff;
}

.isWap .list-columns3 ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.16rem;
}

.isWap .list-columns3 li {
  margin-bottom: 0;
}

.isWap .list-columns3 .list-tit em {
  padding: 0.16rem;
}

.isWap .list-columns3 a {
  font-size: 0.26rem;
}

.isPc .achi-list ul {
  display: grid;
  grid-auto-flow: column;
  grid-template-columns: 1fr 1fr 20px 1fr 1fr;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  row-gap: 4px;
}

.isPc .achi-list ul li {
  background-color: #fff;
}

.isPc .achi-list ul li a {
  display: flex;
  width: 100%;
  height: 100%;
  font-size: 18px;
  line-height: 1.2;
  align-items: center;
}

.isPc .achi-list ul li em {
  padding: 0 15px;
}

.isPc .achi-list ul li img {
  display: none;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
}

.isPc .achi-list ul li:nth-child(4n + 1) {
  grid-row: span 3 / span 3;
  background-color: #607d8b;
}

.isPc .achi-list ul li:nth-child(4n + 1) img {
  display: block;
}

.isPc .achi-list ul li:nth-child(4n + 1) a {
  color: #fff;
  flex-direction: column;
  align-items: flex-start;
}

.isPc .achi-list ul li:nth-child(4n + 1) em {
  padding: 10px 15px;
  width: 100%;
  box-sizing: border-box;
  flex: 1;
}

.isPc .achi-list ul li:nth-child(4n + 1) em span {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.isPc .achi-list ul li:nth-child(5) {
  grid-column: 4;
}
.isPc .achi-list ul li:nth-child(6),
.isPc .achi-list ul li:nth-child(7),
.isPc .achi-list ul li:nth-child(8) {
  grid-column: 5;
}

.isWap .achi-list ul {
  margin-bottom: 0.5rem;
}

.isWap .achi-list ul li {
  position: relative;
  border-bottom: 1px solid #d7d7d7;
}

.isWap .achi-list ul li a {
  display: block;
  font-size: 0.34rem;
  line-height: 1.2;
  padding: 0.3rem 0;
}

.isWap .achi-list ul li img {
  display: none;
  width: 100%;
  height: auto;
}

.isWap .achi-list ul li:nth-child(4n + 1) {
  border: none;
}

.isWap .achi-list ul li:nth-child(4n + 1) a {
  padding: 0;
}

.isWap .achi-list ul li:nth-child(4n + 1) em {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  padding: 0.2rem 0.2rem;
  box-sizing: border-box;
  font-size: 0.3rem;
  line-height: 1.2;
  color: #fff;
}

.isWap .achi-list ul li:nth-child(4n + 1) img {
  display: block;
}

.isWap .achi-list ul li:nth-child(5) {
  margin-top: 0.5rem;
}

.isPc .i-list2 li .img-box img {
  width: 550px;
  height: 365px;
}