.side-nav {
  position: fixed;
  top: 50%;
  right: -7.2916vw;
  transform: translateY(-50%);
  width: 7.2916vw;
  transition: all 0.5s;
  z-index: 5;
  background-size: 100% 100%;
  --active-color: #fffd39;
  border-radius: 5px 0 0 5px;
}
.side-nav.expand {
  right: 0;
}
.side-nav.expand .handle-nav .handle-text.nav-close {
  display: block;
}
.side-nav.expand .handle-nav .handle-text.nav-open {
  display: none;
}
.side-nav .handle-nav {
  position: absolute;
  top: 50%;
  left: -2.1875vw;
  transform: translateY(-50%);
  cursor: pointer;
  line-height: 1;
}
.side-nav .handle-nav img {
  width: 2.1875vw;
}
.side-nav .handle-nav .handle-text {
  font-size: 0.9375vw;
  color: var(--nav-color, #fff);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  writing-mode: tb;
  white-space: nowrap;
  letter-spacing: 0.15625vw;
}
.side-nav .handle-nav .handle-text.nav-close {
  display: none;
}
.side-nav ul {
  padding: 0 0.4166vw;
  margin: 0;
}
.side-nav ul li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  color: var(--default-color, #fff);
  padding: 1.3021vw 0;
  border-bottom: 0.10416vw dashed var(--default-color, #fff);
  cursor: pointer;
}
.side-nav ul li.active {
  color: var(--active-color);
}
.side-nav ul li:last-child {
  border: none;
}
.side-nav ul li img {
  width: 1.875vw;
  margin: 0 auto;
}
.side-nav ul li img.active {
  display: none;
}
.side-nav ul li h2 {
  width: 100%;
  text-align: center;
  font-size: 1.0248vw;
  white-space: nowrap;
  margin: 0;
  line-height: 1.3;
}
@media (max-width: 768px) {
  .side-nav {
    width: 100px;
    right: -100px;
  }
  .side-nav .handle-nav {
    left: -30px;
    width: 30px;
  }
  .side-nav .handle-nav img {
    width: 30px;
  }
  .side-nav .handle-nav .handle-text {
    font-size: 12px;
  }
  .side-nav ul {
    padding: 0 5px;
  }
  .side-nav ul li {
    padding: 15px 0;
    border-bottom-width: 1px;
  }
  .side-nav ul li h2 {
    font-size: 12px;
  }
  .side-nav ul li img {
    width: 15px;
  }
}