.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;

  background: #fff;
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}

.site-header.is-stuck {
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  position: relative;
  z-index: 102;
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--header-h);
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 20px;
  background: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand__logo {
  width: 34px;
  height: 34px;
  display: block;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__text strong {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-title);
  letter-spacing: 1px;
}

.brand__text em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 1.6px;
  color: var(--c-muted);
  text-transform: uppercase;
}

.nav {
  margin-left: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: 5px;
  height: var(--header-h);
  padding: 0 16px;
  font-size: 15px;
  color: var(--c-title);
  white-space: nowrap;
  cursor: pointer;
}

.nav__link:hover,
.nav__item.is-active > .nav__link {
  color: var(--c-primary);
}

.nav__item.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--c-primary);
}

.nav__item.has-menu > .nav__link::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  opacity: 0.6;
}

.nav__panel {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 240px;
  padding: 18px 22px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}

.nav__item.has-menu:hover > .nav__panel,
.nav__item.has-menu:focus-within > .nav__panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav__panel--mega {
  min-width: 580px;
  padding: 22px 26px;
}

.nav__panel--wide {
  min-width: 700px;
  padding: 22px 26px;
}

.panel-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 36px;
}

.panel-cols > .panel-group:nth-child(n + 3) {
  padding-top: 20px;
  border-top: 1px dashed var(--c-line);
}

.panel-title {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-primary);
}

.panel-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
}

.panel-list--single {
  grid-template-columns: minmax(0, 1fr);
}

.panel-list a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-text);
}

.panel-list a:hover {
  color: var(--c-primary);
  padding-left: 4px;
}

.header-search {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 220px;
  height: 38px;
  padding: 0 6px 0 14px;
  border: 1px solid var(--c-line-strong);
  border-radius: 20px;
  background: #fff;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.header-search:focus-within {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-soft);
}

.header-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  font-size: 14px;
  background: transparent;
}

.header-search button {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--c-muted);
  flex-shrink: 0;
}

.header-search button:hover {
  background: var(--c-primary-soft);
  color: var(--c-primary);
}

.header-search svg {
  width: 17px;
  height: 17px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  position: relative;
  flex-shrink: 0;
}

.nav-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--c-title);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle span:nth-child(1) {
  top: 14px;
}

.nav-toggle span:nth-child(2) {
  top: 20px;
}

.nav-toggle span:nth-child(3) {
  top: 26px;
}

.is-nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.is-nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.is-nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-mask {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 40, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), visibility 0.25s;
  z-index: -1;
}

@media (max-width: 1024px) {
  :root {
    --header-h: 60px;
  }

  .nav-toggle {
    display: block;
  }

  .header-search {
    width: 170px;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    width: min(84vw, 340px);
    margin: 0;
    background: #fff;
    border-left: 1px solid var(--c-line);
    box-shadow: -8px 0 32px rgba(16, 24, 40, 0.12);

    transform: translateX(105%);
    transition: transform 0.3s var(--ease);
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: 101;
  }

  .is-nav-open .nav {
    transform: translateX(0);
  }

  .is-nav-open .nav-mask {
    opacity: 1;
    visibility: visible;
    z-index: 99;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 40px;
  }

  .nav__item {
    border-bottom: 1px solid var(--c-line);
  }

  .nav__item.is-active::after {
    display: none;
  }

  .nav__item.is-active > .nav__link {
    background: var(--c-primary-soft);
  }

  .nav__link {
    height: auto;
    min-height: 50px;
    padding: 12px 20px;
    font-size: 15px;
    justify-content: space-between;
  }

  .nav__item.has-menu > .nav__link::after {
    width: 8px;
    height: 8px;
    transition: transform 0.25s var(--ease);
  }

  .nav__item.is-open > .nav__link::after {
    transform: rotate(-135deg) translate(-2px, -2px);
  }

  .nav__item[data-no-sub] > .nav__link::after {
    display: none;
  }

  .nav__item[data-no-sub] > .nav__panel,
  .nav__item[data-no-sub].is-open > .nav__panel {
    display: none;
  }

  .nav__panel {
    position: static;
    transform: none;
    min-width: 0;
    width: auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease);
  }

  .nav__item.is-open > .nav__panel {
    max-height: 1200px;
  }

  .panel-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 4px 0 14px;
  }

  .panel-cols > .panel-group:nth-child(n + 3) {
    padding-top: 0;
    border-top: 0;
  }

  .panel-group + .panel-group {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--c-line);
  }

  .nav__panel--mega,
  .nav__panel--wide {
    min-width: 0;
    padding: 0;
  }

  .panel-title {
    margin: 0;
    padding: 8px 20px 2px;
  }

  .panel-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .panel-list a {
    padding: 10px 20px 10px 32px;
    font-size: 14px;
    color: var(--c-text);
  }
}

@media (max-width: 640px) {
  .header-search {
    display: none;
  }

  .brand__text em {
    display: none;
  }

  .site-header__inner {
    padding: 0 16px;
  }
}

.site-footer {
  background: var(--c-dark);
  color: #a9b4c0;
  font-size: 14px;
}

.site-footer__main {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 48px;
  padding: 52px 0 40px;
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-brand__logo img {
  width: 34px;
  height: 34px;
}

.footer-brand__logo strong {
  font-size: 17px;
  color: #fff;
  letter-spacing: 1px;
  font-weight: 600;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  margin-top: 4px;
  flex-shrink: 0;
  color: var(--c-primary-light);
}

.footer-contact a:hover {
  color: #fff;
}

.footer-qr {
  display: flex;
  gap: 20px;
  margin-top: 24px;
}

.footer-qr__item {
  text-align: center;
}

.footer-qr__item img {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 4px;
  display: block;
}

.footer-qr__item span {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: #8d99a6;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 24px;
}

.footer-col dt {
  margin-bottom: 14px;
  font-size: 15px;
  color: #fff;
}

.footer-col dt a:hover {
  color: var(--c-primary-light);
}

.footer-col dd {
  margin: 0 0 9px;
  font-size: 13px;
  color: #93a0ad;
}

.footer-col dd a:hover {
  color: #fff;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: #7d8a97;
}

.site-footer__bottom a {
  color: inherit;
}

.site-footer__bottom a:hover {
  color: #fff;
}

.site-footer__links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .site-footer__main {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 40px 0 32px;
  }

  .footer-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 20px;
  }
}

@media (max-width: 640px) {
  .footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

.layout-notice {
  margin: 0;
  padding: 14px 20px;
  background: #fff6e5;
  border-bottom: 1px solid #f0d9a8;
  color: #8a5a00;
  font-size: 13px;
  line-height: 1.75;
}

.layout-notice code {
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.07);
  font-family: var(--font-num);
  font-size: 12.5px;
}