body {
  overflow-x: hidden;
  padding: 60px 0 0;
}
header {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: 100%;
  background: #fff;
  box-shadow: 0 0 5px #aaa;
}
.head {
  display: flex;
  justify-content: space-between;
  padding: 0 2%;
}

.head .logo img {
  width: auto;
  height: 55px;
  margin-top: 2px;
}

.menu-btn {
  position: absolute;
  z-index: 55;
  right: 5px;
  top: 20px;
  padding-left: 34px;
  text-align: center;
}

.menu-btn::before {
  content: "菜单";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate3d(0, -50%, 0);
  font-size: 16px;
  font-weight: 600;
  color: #666;
}

.menu-btn span {
  display: block;
  width: 20px;
  height: 4px;
  background: #666;
  transition: 0.3s;
}

.menu-btn span:nth-child(2) {
  margin: 3px 0;
}

.menu-btn.cross span:nth-of-type(1) {
  transform: translateY(7px) rotate(-45deg);
}

.menu-btn.cross span:nth-of-type(2) {
  opacity: 0;
}

.menu-btn.cross span:nth-of-type(3) {
  transform: translateY(-7px) rotate(45deg);
}

.nav {
  display: none;
  position: absolute;
  z-index: 99;
  left: 0;
  top: 57px;
  width: 100%;
  padding: 3%;
  background: #fff;
}
.nav ul {
  border-top: 1px solid #e7e7e7;
}
.nav ul li {
  border-bottom: 1px solid #d7d7d7;
}
.nav ul a {
  display: block;
  font-size: 14px;
  line-height: 48px;
  color: #333;
  text-align: center;
}

.sub-ul {
  display: none;
}

@media (min-width: 1200px) {
  .head {
    justify-content: flex-start;
    justify-content: space-between;
    align-items: center;
    padding: 0 5vw;
  }

  .head .logo {
    width: 11vw;
  }
  .head .logo img {
    width: 100%;
    height: auto;
  }

  .head .nav {
    display: block;
    position: relative;
    left: 0;
    top: 0;
    width: auto;
    padding: 0 0 0 1vw;
  }

  .head .nav ul {
    display: flex;
    border: 0;
  }
  .head .nav li {
    position: relative;
    width: 4.5vw;
    border: 0;
  }
  .head .nav ul li > a {
    display: block;
    font-size: 0.8vw;
    line-height: 4.5vw;
    text-align: center;
    color: #333;
  }
  .head .nav ul li > a:hover {
    color: #333;
    background: #e6e6e6;
  }

  /* sub nav */
  .nav .sub-ul {
    display: none;
    position: absolute;
    left: 0;
    top: 4.5vw;
    width: 7vw;
    padding: 5px;
    overflow: hidden;
    background: #e6e6e6;
  }
  .nav .sub-li {
    text-align: left;
  }
  .nav .sub-li a {
    display: block;
    font-size: 14px;
    line-height: 1.5vw;
    color: #333;
  }

  .head .nav ul li:hover .sub-ul {
    display: block;
  }

  .nav .sub-li a:hover {
    color: #333;
    background: #fff;
  }

  .head-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }
  .head-right .pc {
    display: flex;
    align-items: center;
  }

  .head-right .pc {
    display: flex;
    align-items: center;
    font-size: 14px;
    line-height: 2.4vw;
    color: #333;
  }
  .head-search {
    position: relative;
    display: flex;
    margin-left: 17vw;
  }
  .head-search input {
    position: absolute;
    z-index: 1;
    right: 30px;
    top: 0;
    width: 0;
    height: 50px;
    padding: 0 1.8vw 0 0.5vw;
    font-size: 14px;
    line-height: 30px;
    color: #fff;
    background: #ddd;
    border: 0;
    opacity: 0;
    transition: 0.6s;
  }

  .head-search i {
    position: absolute;
    z-index: 5;
    left: -1.6vw;
    top: 0;
    z-index: 50;
  }
  .head-search span {
    display: none;
    position: absolute;
    z-index: 5;
    left: -1.6vw;
    top: 0;
  }
  .head-search img {
    width: 1.5vw;
    cursor: pointer;
  }
  .head-search p {
    cursor: pointer;
  }

  .head-search.active input {
    width: 12vw;
    opacity: 1;
  }
  .head-search.active i {
    display: none;
  }
  .head-search.active span {
    display: block;
  }

  .head-wx {
    position: relative;
    margin: 0 0 0 1vw;
  }
  .head-wx p {
    display: none;
    position: absolute;
    z-index: 1;
    left: 0;
    top: 45px;
  }
  .head-wx p img {
    width: 16vw;
  }
  .head-wx:hover p {
    display: block;
  }

  .head-shop {
    display: block;
    position: relative;
    margin: 0 0 0 1vw;
    color: #333;
  }
  .head-tel {
    display: flex;
    align-items: center;
    margin: 0 0 0 1vw;
  }
  .head-tel p {
    font-size: 1.2vw;
    line-height: 2.4vw;
    color: #c3141b;
  }
}

/* public */
.public {
  padding: 0;
}
.public-info {
  padding: 10px;
}
.public-info ul {
  display: block;
}
.public-info ul li {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #dddddd;
}
.public-info-icon {
  flex-shrink: 0;
}
.public-info-icon img {
  width: 24px;
}
.public-info-p {
  flex-grow: 1;
  display: flex;
  flex-wrap: wrap;

  font-size: 14px;
  line-height: 20px;
  color: #333;
}
.public-info-p p {
  padding-left: 5px;
}
.public-info-p p:nth-child(1)::after {
  content: " :";
}

@media (min-width: 1200px) {
  .public-info {
    padding: 0;
  }
  .public-info ul {
    display: flex;
    justify-content: center;
    padding: 1.5vw 0;
  }
  .public-info ul li {
    display: block;
    text-align: center;
    padding: 0 6vw;
    border: 0;
  }
  .public-info-icon img {
    width: 1.5vw;
  }
  .public-info-p {
    display: block;
    font-size: 18px;
    line-height: 24px;
  }
  .public-info-p p:nth-child(1) {
    font-size: 16px;
    line-height: 30px;
  }
  .public-info-p p:nth-child(1)::after {
    content: "";
  }
}

/* public-box */
.public-box {
  background: #333333;
}

.public-nav-li {
  padding: 0;
}
.public-li-name {
  position: relative;
  padding: 10px 20px;
  font-size: 14px;
  line-height: 20px;
  color: #fff;
  border-bottom: 1px solid #555;
}
.public-li-name i {
  position: absolute;
  right: 20px;
  top: 10px;
}

.public-nav ul {
  display: none;
  padding: 10px 20px;
  border-bottom: 1px solid #555;
}
.public-nav ul li {
  padding: 0;
}
.public-nav ul a {
  display: block;
  font-size: 12px;
  line-height: 20px;
  color: #fff;
}

.public-nav-li.active .public-li-name i {
  transform: rotate(180deg);
}

.public-slide {
  display: none;
}
@media (min-width: 1200px) {
  .public-box {
    display: flex;
    justify-content: space-between;

    padding: 1.5vw 18vw;
  }

  .public-nav {
    display: flex;
  }
  .public-nav-li {
    padding-right: 7vw;
  }

  .public-nav-li:nth-child(3) {
    display: none;
  }

  .public-li-name {
    margin: 0 0 1vw;
    padding: 0;
    font-size: 16px;
    line-height: 20px;
    color: #fff;
    border: 0;
  }
  .public-li-name i {
    display: none;
  }
  .public-nav-li ul {
    display: block;
    padding: 0;
    border: 0;
  }

  .public-nav-li ul a {
    display: block;
    padding: 0 0 10px;
    font-size: 14px;
    line-height: 20px;
    color: #fff;
  }
  .public-nav-li ul a:hover {
    text-decoration: underline;
  }

  .public-slide {
    position: relative;
    display: block;
    text-align: center;
    cursor: pointer;
  }
  .public-slide i {
    display: block;
  }
  .public-slide i img {
    width: 40px;
  }
  .public-slide div {
    font-size: 14px;
    line-height: 24px;
    color: #fff;
  }
  .public-slide p {
    display: none;
    position: absolute;
    right: 0;
    top: 64px;
  }
  .public-slide p img {
    width: 100px;
  }
  .public-slide:hover p {
    display: block;
  }
}

/* footer */
footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 10px;
  font-size: 12px;
  line-height: 20px;
}
footer a {
  padding: 0 4px;
  color: #333;
}
footer p {
  padding: 0 4px;
  color: #333;
}