.sk-header {
  position: relative;
  z-index: 100;
  width: 100%;
  height: auto !important;
  background: #fff;
}

.sk-header * { box-sizing: border-box; }
.sk-header img { display: block; max-width: 100%; height: auto; }
.sk-header-container { width: calc(100% - 32px); max-width: 1170px; margin: 0 auto; }

.sk-header-welcome {
  height: 50px;
  background: #f6f5f5 url(../images/shuangke-header-top.jpg) center top no-repeat;
  color: #666;
  font-size: 14px;
}

.sk-header-welcome .sk-header-container { padding-top: 15px; line-height: 35px; }

.sk-header-brand-row { background: #fff; }
.sk-header-brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 143px;
}
.sk-header-brand { display: block; flex: 0 1 792px; min-width: 0; }
.sk-header-brand img { width: 792px; }
.sk-header-hotline { display: block; flex: 0 0 270px; }
.sk-header-hotline img { width: 270px; }

.sk-header-nav { width: 100%; background: #00a267; }
.sk-header-nav-inner { display: flex; align-items: stretch; }
.sk-header-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 150px;
  height: 55px;
  color: #fff;
  font-size: 16px;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  transition: background-color .2s ease;
}
.sk-header-nav a:hover,
.sk-header-nav a:focus-visible,
.sk-header-nav a.is-active { color: #fff; background: #f9a50e; }
.sk-header-nav a:focus-visible { outline: 2px solid #fff; outline-offset: -4px; }

@media (max-width: 1199px) and (min-width: 768px) {
  .sk-header-brand-inner { min-height: 120px; }
  .sk-header-brand { flex-basis: calc(100% - 220px); }
  .sk-header-hotline { flex-basis: 200px; }
  .sk-header-nav a { flex: 1 1 0; min-width: 0; }
}

@media (max-width: 767px) {
  .sk-header-welcome { font-size: clamp(11px, 3.4vw, 14px); }
  .sk-header-welcome .sk-header-container { white-space: nowrap; }
  .sk-header-brand-inner { min-height: 0; padding: 22px 0; }
  .sk-header-brand { flex-basis: 100%; }
  .sk-header-brand img { width: 100%; }
  .sk-header-hotline { display: none; }
  .sk-header-nav-inner { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sk-header-nav a {
    width: 100%;
    height: 40px;
    min-width: 0;
    border-right: 1px solid rgba(255, 255, 255, .6);
    border-bottom: 1px solid rgba(255, 255, 255, .6);
    font-size: clamp(13px, 3.8vw, 16px);
  }
}

/* Match the existing mobile shortcuts to the site's green accent. */
.fixed_nav .fix_tel img,
.fixed_nav .active .ic .red {
  filter: hue-rotate(-55deg) saturate(1.2);
}

/* Desktop floating contact shortcuts, matched to the source site. */
.sk-float-rail {
  position: fixed;
  right: 0;
  bottom: 260px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 1px;
  width: 45px;
  font-family: "Microsoft YaHei", Arial, sans-serif;
}
.sk-float-rail * { box-sizing: border-box; }
.sk-float-slot { position: relative; width: 45px; height: 45px; }
.sk-float-top,
.sk-float-action,
.sk-float-code {
  position: absolute;
  top: 0;
  right: 0;
  display: block;
  width: 45px;
  height: 45px;
  padding: 0;
  border: 0;
  text-decoration: none;
  cursor: pointer;
}
.sk-float-top {
  background: #cbcbcb;
  color: #2686ca;
  font-size: 14px;
  line-height: 45px;
  text-align: center;
}
.sk-float-top:hover { color: #2686ca; background: #bdbdbd; }
.sk-float-action,
.sk-float-code { background: #009a52; color: #fff; }
.sk-float-action {
  overflow: hidden;
  transition: width .25s ease, background-color .25s ease;
}
.sk-float-action:hover,
.sk-float-action:focus-visible { width: 160px; background: #111; color: #fff; }
.sk-float-action > img,
.sk-float-code > img { display: block; width: 45px; height: 45px; }
.sk-float-action > span {
  position: absolute;
  top: 0;
  left: 45px;
  width: 115px;
  line-height: 45px;
  text-align: center;
  white-space: nowrap;
  font-size: 13px;
}
.sk-float-code-panel {
  position: absolute;
  right: 54px;
  bottom: 0;
  display: none;
  width: 132px;
  padding: 5px;
  border: 1px solid #ccc;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
}
.sk-float-code-panel::after {
  position: absolute;
  right: -7px;
  bottom: 15px;
  width: 11px;
  height: 11px;
  border-top: 1px solid #ccc;
  border-right: 1px solid #ccc;
  background: #fff;
  content: "";
  transform: rotate(45deg);
}
.sk-float-code-panel img { display: block; width: 120px; height: 120px; }
.sk-float-code:hover .sk-float-code-panel,
.sk-float-code:focus .sk-float-code-panel,
.sk-float-code:focus-visible .sk-float-code-panel { display: block; }
.sk-float-rail :focus-visible { outline: 2px solid #f9a50e; outline-offset: 2px; }
@media (max-width: 767px) { .sk-float-rail { display: none; } }