.support-center {
  min-height: 70vh;
  padding: 28px 0 56px;
  background: #f3f7f7;
  color: #172b31;
}
.support-center *,
.support-center *::before,
.support-center *::after {
  box-sizing: border-box;
}
.support-center [hidden] {
  display: none !important;
}
.support-center a:focus-visible,
.support-center button:focus-visible,
.support-center input:focus-visible,
.support-center summary:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.28);
  outline-offset: 3px;
}
.support-center__container {
  width: calc(100% - 32px);
  max-width: 1230px;
  margin: 0 auto;
}
.support-center__hero {
  position: relative;
  overflow: hidden;
  padding: 42px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 18px;
  background: linear-gradient(135deg, #ffffff 0%, #e7f5f3 100%);
  box-shadow: 0 12px 34px rgba(23, 43, 49, 0.09);
}
.support-center__hero::after {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(20, 184, 166, 0.1);
  content: "";
  pointer-events: none;
}
.support-center__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: #115e59;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.support-center__hero h1 {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0;
  color: #172b31;
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
}
.support-center__hero p {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 16px 0 0;
  color: #5f7278;
  font-size: 17px;
}
.support-center-search {
  position: relative;
  z-index: 2;
  display: flex;
  max-width: 760px;
  margin-top: 26px;
  border: 1px solid #dce7e8;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(23, 43, 49, 0.08);
}
.support-center-search__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  color: #0f766e;
  font-size: 18px;
}
.support-center-search input {
  flex: 1 1 auto;
  min-width: 0;
  height: 54px;
  padding: 0 16px 0 0;
  border: 0;
  background: transparent;
  color: #172b31;
  font-size: 16px;
}
.support-center-search:focus-within {
  border-color: #0f766e;
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.14);
}
.support-center__search-status {
  min-height: 22px;
  margin: 10px 0 0;
  color: #5f7278;
  font-size: 14px;
}
.support-center-quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0 30px;
}
.support-center-quick-card {
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 82px;
  padding: 16px;
  border: 1px solid #dce7e8;
  border-radius: 12px;
  background: #ffffff;
  color: #172b31 !important;
  font-weight: 700;
  text-decoration: none !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}
.support-center-quick-card:hover {
  border-color: rgba(15, 118, 110, 0.5);
  box-shadow: 0 8px 20px rgba(23, 43, 49, 0.08);
  color: #115e59 !important;
}
.support-center-quick-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: #e7f5f3;
  color: #0f766e;
  font-size: 20px;
}
.support-center__layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  align-items: start;
  gap: 24px;
}
.support-center-nav {
  position: sticky;
  top: 84px;
  padding: 18px;
  border: 1px solid #dce7e8;
  border-radius: 12px;
  background: #ffffff;
}
.support-center-nav strong {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
}
.support-center-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 10px;
  border-radius: 8px;
  color: #172b31;
  font-weight: 650;
  text-decoration: none;
}
.support-center-nav a:hover {
  background: #e7f5f3;
  color: #115e59;
}
.support-center__main {
  min-width: 0;
}
.support-center-section {
  margin-bottom: 24px;
  padding: 26px;
  border: 1px solid #dce7e8;
  border-radius: 14px;
  background: #ffffff;
}
.support-center-section__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.support-center-section__header h2 {
  margin: 0;
  color: #172b31;
  font-size: 24px;
  font-weight: 800;
}
.support-center-section__header p {
  margin: 7px 0 0;
  color: #5f7278;
}
.support-guide {
  border-top: 1px solid #dce7e8;
}
.support-guide:last-child {
  border-bottom: 1px solid #dce7e8;
}
.support-guide summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 12px 4px;
  color: #172b31;
  font-size: 16px;
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}
.support-guide summary::-webkit-details-marker {
  display: none;
}
.support-guide summary::after {
  margin-left: auto;
  color: #0f766e;
  font-family: "Font Awesome 5 Pro";
  font-weight: 300;
  content: "\f078";
  transition: transform 0.2s ease;
}
.support-guide[open] summary::after {
  transform: rotate(180deg);
}
.support-guide__body {
  overflow-wrap: anywhere;
  padding: 0 4px 22px 34px;
  color: #344b52;
}
.support-guide__body img,
.support-guide__body iframe,
.support-guide__body table {
  max-width: 100%;
}
.support-release-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.support-release-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
  border: 1px solid #dce7e8;
  border-radius: 12px;
  background: #fbfefe;
}
.support-release-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 11px;
  color: #5f7278;
  font-size: 13px;
}
.support-release-card__badge {
  padding: 4px 8px;
  border-radius: 999px;
  background: #e7f5f3;
  color: #115e59;
  font-weight: 800;
}
.support-release-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
}
.support-release-card p {
  margin: 10px 0 16px;
  color: #5f7278;
}
.support-release-card a {
  margin-top: auto;
  color: #0369a1;
  font-weight: 750;
}
.support-center-empty {
  padding: 24px;
  border: 1px dashed #b8cbce;
  border-radius: 10px;
  color: #5f7278;
  text-align: center;
}
.support-center-contact {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(180px, 0.7fr));
  gap: 14px;
}
.support-center-contact__intro,
.support-center-contact__action {
  padding: 20px;
  border-radius: 12px;
}
.support-center-contact__intro {
  background: #115e59;
  color: #fff;
}
.support-center-contact__intro h2 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 23px;
}
.support-center-contact__intro p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}
.support-center-contact__action {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 90px;
  border: 1px solid #dce7e8;
  background: #ffffff;
  color: #172b31 !important;
  font-weight: 750;
  text-decoration: none !important;
}
.support-center-contact__action i {
  color: #0f766e;
  font-size: 24px;
}
@media (max-width: 991px) {
  .support-center-quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .support-center__layout {
    grid-template-columns: 1fr;
  }
  .support-center-nav {
    position: static;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
  }
  .support-center-nav strong {
    display: none;
  }
  .support-center-contact {
    grid-template-columns: 1fr 1fr;
  }
  .support-center-contact__intro {
    grid-column: -1;
  }
}
@media (max-width: 575px) {
  .support-center {
    padding: 16px 0 36px;
  }
  .support-center__container {
    width: calc(100% - 20px);
  }
  .support-center__hero {
    padding: 26px 20px;
    border-radius: 14px;
  }
  .support-center__hero p {
    font-size: 15px;
  }
  .support-center-search {
    margin-top: 20px;
  }
  .support-center-quick-grid,
  .support-release-grid,
  .support-center-contact {
    grid-template-columns: 1fr;
  }
  .support-center-quick-card {
    min-height: 68px;
  }
  .support-center-section {
    padding: 20px 16px;
  }
  .support-center-section__header {
    display: block;
  }
  .support-guide__body {
    padding-left: 4px;
  }
  .support-center-contact__intro {
    grid-column: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  .support-center *,
  .support-center *::before,
  .support-center *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}