.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__top {
  height: var(--header-logo-h);
  background-color: #fff;
  background-image: url("../images/brand/body-bg.gif");
  background-repeat: repeat;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
}

.site-header__nav {
  height: var(--header-nav-h);
  background: var(--nav-bg);
  box-shadow: 0 3px 14px -5px rgba(0, 0, 0, 0.75);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  width: min(100% - 2 * var(--page-pad), var(--max-w));
  margin-inline: auto;
}

.site-header__inner--top {
  justify-content: space-between;
  gap: var(--space-3);
}

.header-hotline {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-size: var(--step-small);
  font-weight: 500;
  white-space: nowrap;
}

.header-hotline__icon {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  background: var(--brand-red);
  color: #fff;
}

.header-hotline__icon .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.header-hotline__label {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 400;
  line-height: 1.2;
}

.header-hotline__num {
  color: var(--brand-red);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-footer__list--contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.site-footer__list--contact .icon {
  width: 1rem;
  height: 1rem;
  margin-top: 0.2rem;
  color: var(--accent);
}

.site-header__inner--nav {
  justify-content: flex-start;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  color: var(--ink);
  max-width: min(70vw, 22rem);
}

.brand__logo {
  width: auto;
  height: clamp(2.4rem, 5.5vw, 3.1rem);
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  background: #fff;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--ink);
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: stretch;
  height: 100%;
  width: 100%;
}

.site-nav > ul {
  display: flex;
  align-items: stretch;
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
}

.site-nav > ul > li {
  display: flex;
  align-items: stretch;
  flex: 1 1 0;
  min-width: 0;
}

.site-nav > ul > li > a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0 0.65rem;
  text-decoration: none;
  font-size: var(--step-small);
  font-weight: 500;
  color: var(--nav-ink);
  white-space: nowrap;
  border-top: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.site-nav > ul > li > a:hover {
  color: #fff;
  background: color-mix(in srgb, var(--accent) 55%, var(--nav-bg));
  border-top-color: var(--brand-red);
}

.site-nav > ul > li > a[aria-current="page"] {
  color: #fff;
  background: var(--accent);
  border-top-color: var(--brand-red);
}

.nav-dropdown {
  position: relative;
}

.site-nav .nav-dropdown__menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 16rem;
  width: max-content;
  max-width: min(22rem, 80vw);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  box-shadow: 0 10px 24px -12px rgba(0, 0, 0, 0.45);
  padding: 0.5rem 0;
  list-style: none;
  margin: 0;
  z-index: 120;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.site-nav .nav-dropdown:hover .nav-dropdown__menu,
.site-nav .nav-dropdown:focus-within .nav-dropdown__menu {
  display: flex;
}

.site-nav .nav-dropdown__menu li {
  width: 100%;
}

.site-nav .nav-dropdown__menu a {
  display: block;
  padding: 0.55rem 1rem;
  white-space: nowrap;
  writing-mode: horizontal-tb;
  color: var(--ink);
  text-decoration: none;
  font-size: var(--step-small);
}

.site-nav .nav-dropdown__menu a:hover,
.site-nav .nav-dropdown__menu a[aria-current="page"] {
  color: var(--brand-red);
  background: color-mix(in srgb, var(--accent) 10%, #fff);
}

.site-main {
  min-height: 60vh;
}

.site-footer {
  background: var(--field-dark);
  color: #d7e0e4;
  padding: var(--space-6) 0 var(--space-4);
  margin-top: var(--space-7);
}

.site-footer a {
  color: #d7e0e4;
  text-decoration: none;
}

.site-footer a:hover {
  color: #ffffff;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1.4fr 1fr 1fr;
}

.site-footer__logo {
  width: auto;
  height: 2.75rem;
  max-width: min(100%, 18rem);
  object-fit: contain;
  object-position: left center;
}

.site-footer__brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
  color: #fff;
}

.site-footer h3 {
  color: #fff;
  font-size: var(--step-small);
  margin-bottom: var(--space-2);
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li + li {
  margin-top: 0.45rem;
}

.site-footer__bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, #fff 14%, transparent);
  font-size: var(--step-small);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
}

@media (max-width: 720px) {
  .header-hotline__label,
  .header-hotline__num {
    display: none;
  }

  .header-hotline {
    gap: 0;
  }
}

@media (max-width: 1023px) {
  :root {
    --header-nav-h: 0px;
    --header-h: var(--header-logo-h);
  }

  .site-header__nav {
    height: auto;
    background: transparent;
    box-shadow: none;
  }

  .site-header__inner--nav {
    width: 100%;
    margin: 0;
    display: block;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-logo-h) 0 auto 0;
    background: var(--nav-bg);
    border-bottom: 1px solid color-mix(in srgb, #fff 12%, transparent);
    padding: var(--space-3) var(--page-pad) var(--space-4);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    height: auto;
    width: 100%;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav > ul {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    gap: 0.35rem;
  }

  .site-nav > ul > li {
    flex: none;
  }

  .site-nav > ul > li > a {
    justify-content: flex-start;
    padding: 0.7rem 0.85rem;
  }

  .site-nav .nav-dropdown__menu {
    position: static;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    max-width: none;
    border: 0;
    box-shadow: none;
    padding: 0.2rem 0 0.35rem 0.75rem;
    background: color-mix(in srgb, #000 18%, var(--nav-bg));
  }

  .site-nav .nav-dropdown__menu a {
    color: #fff;
  }

  .site-nav .nav-dropdown__menu a:hover,
  .site-nav .nav-dropdown__menu a[aria-current="page"] {
    color: #fff;
    background: color-mix(in srgb, var(--accent) 35%, transparent);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}