:root {
  --bai: #ffffff;
  --hei: #181818;
  --hui: #666666;
  --qianhui: #f2f3f5;
  --lan: #086baf;
  --bianju: 40px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "KaiTi", "楷体", serif;
  color: #333;
  line-height: 1.6;
  background: var(--bai);
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}

ul {
  list-style: none;
}

.daohang {
  background: var(--lan);
  height: 70px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  overflow: visible;
}

.daohang-nei {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 1200px;
  max-width: 95%;
  margin: 0 auto;
  padding: 0 var(--bianju);
}

.biaozhi {
  color: var(--bai);
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  left: -70px;
}

.biaozhi-tu {
  height: 44px;
  width: auto;
}

.biaozhi-wenzi {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.biaozhi-biaoyu {
  font-size: 14px;
  font-weight: 400;
  opacity: 0.8;
  text-align: justify;
  text-align-last: justify;
}

.biaozhi-yingwen {
  font-size: 10px;
  font-weight: 400;
  opacity: 0.55;
}

.caidan {
  display: flex;
  gap: 30px;
  margin-left: 40px;
}

.caidan > li {
  position: relative;
}

.caidan > li > a {
  color: rgba(255,255,255,0.8);
  font-size: 18px;
  padding: 22px 0 20px;
  display: block;
  position: relative;
}

.caidan > li > a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--bai);
  transition: 0.3s ease;
  transform: translateX(-50%);
}

.caidan > li > a:hover::after,
.caidan > li.huodong > a::after {
  width: 100%;
}

.caidan > li > a:hover,
.caidan > li.huodong > a {
  color: var(--bai);
}

.xiala:hover .jucaidan {
  opacity: 1;
  visibility: visible;
  max-height: 500px;
}

.jucaidan {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background: rgba(255,255,255,0.8);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: 0.35s ease;
  z-index: 999;
  border-top: 2px solid var(--lan);
}

.jucaidan-nei {
  display: flex;
  gap: 40px;
  justify-content: center;
  padding: 28px 40px;
}

.jucaidan-zu {
  display: flex;
  gap: 24px;
  align-items: center;
}

.jucaidan-biaoti {
  font-size: 17px;
  color: var(--hei);
  font-weight: 700;
  white-space: nowrap;
}

.jucaidan-zu a {
  font-size: 15px;
  color: #666;
  padding: 0;
  border-bottom: none;
  white-space: nowrap;
}

.jucaidan-zu a:hover {
  color: var(--lan);
}

.tubiao {
  display: flex;
  gap: 15px;
  color: var(--bai);
  opacity: 0.7;
  cursor: pointer;
}

.haibao {
  overflow: hidden;
}

.haibao-huadong {
  display: flex;
  transition: transform 0.6s ease;
}

.haibao-tu {
  width: 100%;
  flex-shrink: 0;
  display: block;
  max-height: 810px;
  object-fit: cover;
}

.lunbo2 {
  object-position: 50% 0%;
}

.jianjie-biaoti,
.zhanhui-biaoti,
.shangcheng-biaoti {
  text-align: center;
  font-weight: 400;
  color: var(--hei);
}

.jianjie-biaoti,
.zhanhui-biaoti {
  font-size: 40px;
  margin: 0 0 48px;
}

.shangcheng-biaoti {
  font-size: 28px;
  margin-bottom: 40px;
}

.jianjie-biaoti::before,
.jianjie-biaoti::after,
.zhanhui-biaoti::before,
.zhanhui-biaoti::after,
.shangcheng-biaoti::before,
.shangcheng-biaoti::after {
  content: "\2014";
  margin: 0 15px;
  color: #999;
}

.zhanhui-biaoti {
  padding-top: 60px;
  background: var(--bai);
}

.anli {
  padding: 40px 0;
  text-align: center;
  background: var(--bai);
}

.anli-biaoti {
  font-size: 40px;
  font-weight: 400;
  color: var(--hei);
  margin: 0;
  padding-bottom: 24px;
  box-shadow: 0 4px 8px -6px rgba(0,0,0,0.15);
}

.anli-biaoti::before,
.anli-biaoti::after {
  content: "\2014";
  margin: 0 15px;
  color: #999;
}

.anli-wangge {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 960px;
  max-width: 90%;
  margin: 48px auto 0;
}

.anli-ka {
  text-align: center;
  cursor: pointer;
}

.anli-tu {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #f2f3f5;
  border-radius: 4px;
  margin-bottom: 12px;
  object-fit: cover;
}

.anli-shipin {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 4px;
  margin-bottom: 12px;
  object-fit: cover;
  outline: none;
}

.anli-ming {
  font-size: 14px;
  color: var(--hui);
}

.anli-miaoshu {
  font-size: 13px;
  color: #999;
  margin-top: 6px;
  line-height: 1.6;
}

.jianjie {
  padding: 60px 0;
}

.jianjie-wen {
  color: #444;
  font-size: 16px;
  line-height: 1.8;
  text-align: center;
}

.wen1 {
  font-size: 17px;
  color: #2a2a2a;
  white-space: nowrap;
  text-align: center;
  margin: 0;
}

.wen2 {
  display: inline-block;
  white-space: nowrap;
  text-align: center;
  margin: 0 60px 24px 0;
}

.wen3 {
  display: inline-block;
  white-space: nowrap;
  text-align: center;
  margin: 0;
}

.wen4 {
  white-space: nowrap;
  text-align: center;
  margin: 0 0 24px;
}

.wen5 {
  text-align: center;
  margin: 0;
}

.wen6 {
  text-align: center;
  margin: 0;
}

.wen7 {
  text-align: center;
  margin: 0 0 24px;
}

.wen8 {
  text-align: center;
  margin: 0;
}

.changfang {
  width: 100%;
  margin-bottom: 60px;
}

.changfang-shipin {
  width: 99%;
  display: block;
  margin: 0 auto;
}

.chanpin {
  display: flex;
  gap: 20px;
  padding: 60px 0;
  margin-bottom: 80px;
  min-height: 600px;
}

.chanpin-wangge-rongqi {
  flex: 1;
}

.chanpin-wangge {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.chanpin-ka {
  background: var(--bai);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 12px;
  border: 1px solid #eee;
  transition: 0.3s;
}

.chanpin-ka:hover {
  margin-top: -5px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  border-color: var(--lan);
}

.chanpin-ka-tu {
  width: 100%;
  height: 260px;
  background: var(--bai);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 12px;
  overflow: hidden;
}

.chanpin-ka-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.chanpin-ka-wen {
  padding: 14px;
  text-align: center;
  font-size: 15px;
  color: #666;
}

.zhankai-an {
  text-align: center;
  padding: 10px;
  color: #999;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}

.zhankai-an:hover {
  color: var(--lan);
}

.shangcheng {
  text-align: center;
  margin-bottom: 80px;
}

.shangcheng-rukou {
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
  margin-top: 30px;
  align-items: center;
}

.shangcheng-xiang {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 120px;
}

.shangcheng-tu {
  width: 100%;
  height: auto;
  display: block;
}

.shangcheng-biaoqian {
  font-size: 14px;
  color: #999;
  margin-top: 8px;
}

.yejiao {
  background: var(--hei);
  color: #999;
  padding: 60px 0 20px;
  font-size: 13px;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.yejiao-nei {
  width: 1200px;
  max-width: 95%;
  margin: 0 auto;
}

.yejiao-shang {
  display: flex;
  justify-content: center;
  gap: 200px;
  margin-bottom: 40px;
  border-bottom: 1px solid #333;
  padding-bottom: 40px;
}

.lianxi h3,
.shejiao h3 {
  color: var(--bai);
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lianxi h3::after,
.shejiao h3::after {
  content: "";
  display: inline-block;
  height: 1em;
  width: 2px;
  background: var(--lan);
}

.lianxi p {
  margin-bottom: 10px;
  font-weight: 500;
}

.shejiao-tubiao {
  display: flex;
  gap: 15px;
}

.shejiao-tubiao .t {
  width: 36px;
  height: 36px;
  background: #333;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bai);
  cursor: pointer;
  transition: background .3s;
  position: relative;
}

.shejiao-tubiao .t img {
  max-width: 20px;
  max-height: 20px;
  object-fit: contain;
}

.shejiao-tubiao .t:hover {
  background: var(--lan);
}

.shejiao-tubiao .t .erweima {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  z-index: 999;
  background: var(--bai);
  padding: 8px;
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}

.shejiao-tubiao .t .erweima::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid var(--bai);
}

.shejiao-tubiao .t .erweima img {
  width: 110px;
  height: 110px;
  max-width: 110px;
  max-height: 110px;
  display: block;
}

.shejiao-tubiao .t:hover .erweima {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.yejiao-xia {
  text-align: center;
  font-size: 12px;
  color: var(--hui);
}

.err-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: 40px 24px;
}

.err-code {
  font-size: 120px;
  font-weight: 200;
  color: #d5d5d5;
  line-height: 1;
  margin-bottom: 16px;
}

.err-title {
  font-size: 22px;
  color: #333;
  margin-bottom: 12px;
}

.err-desc {
  font-size: 14px;
  color: #999;
  margin-bottom: 36px;
}

.err-link {
  display: inline-block;
  padding: 10px 32px;
  background: #8c735a;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
}

.err-link:hover {
  background: #755f4a;
}

.privacy-wrap {
  max-width: 800px;
  margin: 60px auto;
  padding: 0 24px;
  color: #333;
}

.privacy-wrap h1 {
  font-size: 28px;
  font-weight: 400;
  text-align: center;
  margin-bottom: 40px;
}

.privacy-wrap h2 {
  font-size: 18px;
  font-weight: 500;
  margin: 28px 0 12px;
}

.privacy-wrap p {
  font-size: 14px;
  line-height: 2;
  color: #666;
  text-indent: 2em;
}

.privacy-wrap .update-date {
  text-align: center;
  color: #999;
  font-size: 13px;
  margin-bottom: 40px;
}

.fade-up {
  opacity: 0;
  transform: translateY(20px);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .chanpin-wangge {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .daohang {
    height: 56px;
  }

  .caidan {
    display: none;
  }

  .chanpin-wangge {
    grid-template-columns: repeat(2, 1fr);
  }

  .changfang {
    height: auto;
  }

  .yejiao-shang {
    flex-direction: column;
    gap: 30px;
  }

  .shangcheng-rukou {
    gap: 20px;
  }

  .anli-wangge {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}