.footBigBox {
  width: 100%;
  background-color: #d62d2d;
  position: relative;
}

.footBigBox .foot {
  width: 100%;
  max-width: 1300px;
  height: auto;
  min-height: 200px;
  display: grid;
  grid-template-columns: 220px 220px 220px 1fr;
  grid-auto-rows: minmax(180px, auto);
  margin: 0 auto;
  padding: 16px 12px;
  gap: 12px;
  align-items: start;
}

.footBigBox .foot .footbox {
  flex: 1 1 calc(25% - 15px);
  position: relative;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footBigBox .foot .footbox img {
  width: 96px;
  height: 96px;
  margin: 8px 0 6px 0;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.footBigBox .foot .footbox ul {
  width: 100%;
  margin-top: 10px;
}

.footBigBox .foot .footbox ul li {
  width: 100%;
  text-align: center;
  color: #fff;
  margin-top: 15px;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 8px 0;
  border-radius: 4px;
}

.footBigBox .foot .footbox ul li:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.footBigBox .foot > .footbox:last-child {
  grid-column: 1;
  grid-row: 2;
}

.footBigBox .foot .footbox1 {
  order: 0;
  flex: 0 0 100%;
  position: relative;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footBigBox .foot > .footbox1 {
  grid-column: 4;
  grid-row: 1;
}

.footBigBox .foot .footbox1 ul {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 20px;
  margin-left: 10px;
}

.footBigBox .foot .footbox1 ul li {
  width: 100%;
  color: #fff;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 13px;
  padding: 6px 8px;
  border-radius: 4px;
  transition: all 0.3s ease;
  text-align: left;
  line-height: 1.4;
}

.footBigBox .foot .footbox1 ul li:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateX(2px);
}

.footBigBox .foot .footBoxTit {
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  width: 100%;
  text-align: center;
  margin-bottom: 10px;
  position: relative;
}

.footBigBox .foot .footBoxTit::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background-color: #fff;
  border-radius: 1px;
}

.footBigBox .foot .footBoxCon {
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  width: 100%;
  text-align: center;
  margin-top: 10px;
  padding: 8px 0;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.footBigBox .foot .footBoxCon:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* 版权信息样式优化 */
.footBigBox .copyright {
  width: 100%;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 15px 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footBigBox .copyright p {
  font-size: 14px;
  color: #fff;
  margin: 0;
  opacity: 0.9;
}

.footBigBox .copyright a {
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footBigBox .copyright a:hover {
  color: #f7c55d;
  text-decoration: underline;
}

.suspension {
  position: fixed;
  z-index: 999;
  right: -199px;
  bottom: -474px;
  transition: all 0.5s ease;
  border-radius: 8px 0 0 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.suspension img {
  width: 360px;
  border-radius: 8px 0 0 8px;
}

.suspension .er {
  width: 112px;
  height: 112px;
  position: absolute;
  top: 324px;
  left: 122px;
  background: url('../img/lsweixin.png') no-repeat;
  background-size: cover;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.suspension:hover {
  bottom: 5px;
  right: 5px;
  transform: scale(1.02);
}

/* 响应式媒体查询 */
@media (max-width: 768px) {
  .footBigBox .foot {
    display: block !important;
    padding: 16px 12px;
  }
  
  .footBigBox .foot .footbox,
  .footBigBox .foot .footbox1 {
    width: 100%;
    min-height: auto;
  }
  
  /* 强制横排布局 - 前三个footbox（关注公众号、抖音、小红书） */
  .footBigBox .foot .footbox:nth-child(1),
  .footBigBox .foot .footbox:nth-child(2),
  .footBigBox .foot .footbox:nth-child(3) {
    display: inline-block !important;
    width: calc(33.33% - 10px) !important;
    margin-right: 10px !important;
    vertical-align: top !important;
    float: left !important;
    box-sizing: border-box !important;
  }
  
  .footBigBox .foot .footbox:nth-child(3) {
    margin-right: 0 !important;
  }
  
  .footBigBox .foot .footbox {
    margin-bottom: 0;
    min-height: auto;
  }
  
  .footBigBox .foot .footbox img {
    width: 70px;
    height: 70px;
    margin: 6px 0 4px 0;
  }
  
  .footBigBox .foot .footbox1 {
    flex: 1;
    width: 100%;
    clear: both !important;
    margin-top: 40px !important;
  }
  
  .footBigBox .foot .footbox1 ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    margin-left: 10px;
  }
  
  .footBigBox .foot .footbox1 ul li {
    font-size: 13px;
    text-align: left;
    padding: 8px 12px;
  }
  
  .footBigBox .foot .footBoxTit {
    font-size: 16px;
    margin-bottom: 6px;
  }
  
  .footBigBox .foot .footBoxCon {
    font-size: 12px;
    margin-top: 6px;
  }
  
  .footBigBox .foot .footbox ul li {
    font-size: 14px;
    margin-top: 12px;
  }
  
  .footBigBox .copyright {
    padding: 12px 0;
  }
  
  .footBigBox .copyright p {
    font-size: 12px;
  }
}

@media (max-width: 576px) {
  .footBigBox .foot {
    display: block !important;
    padding: 12px 8px;
  }
  
  /* 前三个footbox（关注公众号、抖音、小红书）在一行显示 */
  .footBigBox .foot .footbox:nth-child(-n+3) {
    display: inline-block !important;
    width: calc(33.33% - 6px) !important;
    margin-right: 6px !important;
    vertical-align: top !important;
    float: left !important;
    box-sizing: border-box !important;
  }
  
  .footBigBox .foot .footbox:nth-child(3) {
    margin-right: 0 !important;
  }
  
  /* 联系我们模块清除浮动 */
  .footBigBox .foot .footbox1 {
    clear: both !important;
    width: 100% !important;
    display: block !important;
    margin-top: 30px !important;
  }
  
  .footBigBox .foot .footbox img {
    width: 60px;
    height: 60px;
    margin: 4px 0 3px 0;
  }
  
  .footBigBox .foot .footBoxTit {
    font-size: 14px;
    margin-bottom: 4px;
  }
  
  .footBigBox .foot .footBoxCon {
    font-size: 10px;
    margin-top: 4px;
  }
  
  .footBigBox .foot .footbox ul li {
    font-size: 12px;
    margin-top: 10px;
    padding: 6px 0;
  }
  
  .footBigBox .foot .footbox1 ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    margin-left: 10px;
  }
  
  .footBigBox .foot .footbox1 ul li {
    font-size: 11px;
    padding: 6px 8px;
    line-height: 1.3;
    text-align: left;
  }
  
  .footBigBox .copyright {
    padding: 10px 0;
  }
  
  .footBigBox .copyright p {
    font-size: 11px;
  }
  
  .suspension img {
    width: 200px;
  }
  
  .suspension .er {
    width: 60px;
    height: 60px;
    top: 180px;
    left: 70px;
  }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
  .footBigBox .foot {
    padding: 12px 8px;
    gap: 20px;
  }
  
  .footBigBox .foot .footbox img {
    width: 70px;
    height: 70px;
  }
  
  .footBigBox .foot .footBoxTit {
    font-size: 15px;
  }
  
  .footBigBox .foot .footbox1 ul li {
    font-size: 10px;
    padding: 5px 6px;
  }
  
  .footBigBox .copyright p {
    font-size: 10px;
  }
}