:root {
  --bl-zh-navy: #0a2f5a;
  --bl-zh-navy-2: #124b7c;
  --bl-zh-navy-3: #eef5fa;
  --bl-zh-orange: #e8751e;
  --bl-zh-orange-dark: #b34f08;
  --bl-zh-ink: #111827;
  --bl-zh-muted: #5f6b7a;
  --bl-zh-line: #dfe6ed;
  --bl-zh-soft: #f6f8fb;
  --bl-zh-white: #ffffff;
  --bl-zh-content-width: 1232px;
  --bl-zh-radius-sm: 16px;
  --bl-zh-radius-md: 20px;
}

.bl-zh-faq,
.bl-zh-faq *,
.bl-zh-faq *::before,
.bl-zh-faq *::after {
  box-sizing: border-box;
}

.bl-zh-faq {
  color: var(--bl-zh-ink);
  background: var(--bl-zh-white);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.bl-zh-faq button,
.bl-zh-faq input {
  font-family: inherit;
}

.bl-zh-faq__inner {
  width: min(calc(100% - 40px), var(--bl-zh-content-width));
  margin: 0 auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.bl-zh-faq__hero {
  padding: 62px 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 14%, rgba(232, 117, 30, .22), transparent 30%),
    linear-gradient(115deg, #082a50 0%, var(--bl-zh-navy) 54%, var(--bl-zh-navy-2) 100%);
  color: var(--bl-zh-white);
}

.bl-zh-faq__eyebrow {
  margin: 0 0 12px;
  color: #ffc28f;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .16em;
}

.bl-zh-faq__title {
  margin: 0;
  color: var(--bl-zh-white);
  font-size: clamp(38px, 5vw, 48px);
  font-weight: 750;
  line-height: 1.25;
  letter-spacing: -.025em;
}

.bl-zh-faq__lead {
  max-width: 920px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .82);
  font-size: 18px;
  line-height: 1.75;
}

.bl-zh-faq__tools {
  padding: 32px 0 22px;
  border-bottom: 1px solid var(--bl-zh-line);
  background: var(--bl-zh-white);
}

.bl-zh-faq__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.bl-zh-faq__filter {
  min-height: 40px;
  padding: 8px 20px;
  border: 1px solid var(--bl-zh-line);
  border-radius: 40px;
  background: var(--bl-zh-white);
  color: #4b5563;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.bl-zh-faq__filter:hover {
  border-color: var(--bl-zh-navy-2);
  color: var(--bl-zh-navy);
  transform: translateY(-1px);
}

.bl-zh-faq__filter[aria-pressed="true"] {
  border-color: var(--bl-zh-navy);
  background: var(--bl-zh-navy);
  color: var(--bl-zh-white);
}

.bl-zh-faq__search-row {
  display: flex;
  align-items: center;
  margin-top: 20px;
}

.bl-zh-faq__search-wrap {
  position: relative;
  width: min(100%, 760px);
}

.bl-zh-faq__search-icon {
  position: absolute;
  top: 50%;
  left: 18px;
  width: 19px;
  height: 19px;
  color: var(--bl-zh-navy);
  pointer-events: none;
  transform: translateY(-50%);
}

.bl-zh-faq__search {
  width: 100%;
  min-height: 50px;
  padding: 12px 48px 12px 50px;
  border: 1px solid var(--bl-zh-line);
  border-radius: 40px;
  outline: none;
  background: var(--bl-zh-white);
  color: var(--bl-zh-ink);
  font-size: 15px;
  box-shadow: 0 6px 18px rgba(10, 47, 90, .06);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.bl-zh-faq__search::placeholder {
  color: #8a95a3;
}

.bl-zh-faq__search:focus {
  border-color: var(--bl-zh-navy-2);
  box-shadow: 0 0 0 4px rgba(18, 75, 124, .12);
}

.bl-zh-faq__clear {
  position: absolute;
  top: 50%;
  right: 9px;
  display: none;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: var(--bl-zh-soft);
  color: var(--bl-zh-muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}

.bl-zh-faq__clear.is-visible {
  display: grid;
  place-items: center;
}

.bl-zh-faq__results {
  min-height: 22px;
  margin: 10px 0 0;
  color: var(--bl-zh-muted);
  font-size: 13px;
}

.bl-zh-faq__content {
  padding: 48px 0 68px;
  background: #f8fafc;
}

.bl-zh-faq__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 338px;
  gap: 48px;
  align-items: start;
}

.bl-zh-faq__main {
  min-width: 0;
}

.bl-zh-faq__section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--bl-zh-line);
  color: var(--bl-zh-navy);
  font-size: 27px;
  font-weight: 750;
  line-height: 1.3;
}

.bl-zh-faq__section-heading svg {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  color: var(--bl-zh-navy-2);
}

.bl-zh-faq__group {
  margin: 0 0 36px;
}

.bl-zh-faq__group[hidden] {
  display: none;
}

.bl-zh-faq__group-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 13px;
}

.bl-zh-faq__group-title {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--bl-zh-navy);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.bl-zh-faq__group-title::before {
  flex: 0 0 auto;
  width: 5px;
  height: 21px;
  border-radius: 3px;
  background: var(--bl-zh-orange);
  content: "";
}

.bl-zh-faq__expand {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid var(--bl-zh-navy);
  border-radius: 40px;
  background: var(--bl-zh-white);
  color: var(--bl-zh-navy);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.bl-zh-faq__expand:hover {
  background: var(--bl-zh-navy-3);
}

.bl-zh-faq__item {
  margin: 0 0 12px;
  overflow: clip;
  border: 1px solid rgba(0, 0, 0, .05);
  border-radius: var(--bl-zh-radius-sm);
  background: var(--bl-zh-white);
  box-shadow: 0 4px 8px -3px rgba(0, 0, 0, .06);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.bl-zh-faq__item[hidden] {
  display: none;
}

.bl-zh-faq__item[open] {
  border-color: #bfd0de;
  box-shadow: 0 12px 28px rgba(10, 47, 90, .09);
}

.bl-zh-faq__question {
  position: relative;
  display: flex;
  min-height: 66px;
  align-items: center;
  padding: 19px 64px 19px 24px;
  color: var(--bl-zh-ink);
  font-size: 17px;
  font-weight: 650;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
  transition: background 160ms ease;
}

.bl-zh-faq__question::-webkit-details-marker {
  display: none;
}

.bl-zh-faq__question::after {
  position: absolute;
  top: 50%;
  right: 22px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--bl-zh-navy-3);
  color: var(--bl-zh-navy);
  content: "+";
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  transform: translateY(-50%);
}

.bl-zh-faq__item[open] > .bl-zh-faq__question::after {
  background: var(--bl-zh-orange);
  color: var(--bl-zh-white);
  content: "−";
}

.bl-zh-faq__question:hover {
  background: #fbfcfe;
}

.bl-zh-faq__answer {
  padding: 0 24px 24px;
  border-top: 1px solid #edf1f5;
  color: #374151;
  font-size: 15px;
  line-height: 1.85;
}

.bl-zh-faq__answer > :first-child {
  margin-top: 18px;
}

.bl-zh-faq__answer > :last-child {
  margin-bottom: 0;
}

.bl-zh-faq__answer p {
  margin: 0 0 12px;
}

.bl-zh-faq__answer strong {
  color: var(--bl-zh-ink);
  font-weight: 700;
}

.bl-zh-faq__answer-note {
  padding: 12px 14px;
  border-left: 3px solid var(--bl-zh-orange);
  background: #fff8f2;
  color: #5d4939;
  font-size: 14px;
}

.bl-zh-faq__empty {
  display: none;
  padding: 36px;
  border: 1px dashed #b8c7d5;
  border-radius: var(--bl-zh-radius-md);
  background: var(--bl-zh-white);
  text-align: center;
}

.bl-zh-faq__empty.is-visible {
  display: block;
}

.bl-zh-faq__empty h3 {
  margin: 0 0 8px;
  color: var(--bl-zh-navy);
  font-size: 20px;
}

.bl-zh-faq__empty p {
  margin: 0;
  color: var(--bl-zh-muted);
}

.bl-zh-faq__aside {
  position: sticky;
  top: 24px;
}

.bl-zh-faq__contact-card {
  padding: 28px;
  overflow: hidden;
  border-radius: var(--bl-zh-radius-md);
  background:
    radial-gradient(circle at 100% 0, rgba(232, 117, 30, .34), transparent 34%),
    linear-gradient(145deg, var(--bl-zh-navy), #0d3c6d);
  color: var(--bl-zh-white);
  box-shadow: 0 18px 42px rgba(10, 47, 90, .18);
}

.bl-zh-faq__contact-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: #ffc28f;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .08em;
}

.bl-zh-faq__contact-card h3 {
  margin: 0;
  color: var(--bl-zh-white);
  font-size: 23px;
  line-height: 1.45;
}

.bl-zh-faq__contact-card p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
}

.bl-zh-faq__contact-card ul {
  margin: 16px 0 0;
  padding-left: 20px;
  color: rgba(255, 255, 255, .88);
  font-size: 14px;
}

.bl-zh-faq__contact-card li + li {
  margin-top: 5px;
}

.bl-zh-faq__cta {
  display: inline-flex;
  min-height: 44px;
  margin-top: 22px;
  padding: 10px 18px;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--bl-zh-orange);
  border-radius: 40px;
  background: var(--bl-zh-orange);
  color: var(--bl-zh-white);
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.bl-zh-faq__cta:hover {
  border-color: #f08b3f;
  background: #f08b3f;
  transform: translateY(-1px);
}

.bl-zh-faq__aside-note {
  margin-top: 20px;
  padding: 22px;
  border: 1px solid var(--bl-zh-line);
  border-radius: var(--bl-zh-radius-sm);
  background: var(--bl-zh-white);
}

.bl-zh-faq__aside-note h3 {
  margin: 0 0 8px;
  color: var(--bl-zh-navy);
  font-size: 17px;
}

.bl-zh-faq__aside-note p {
  margin: 0;
  color: var(--bl-zh-muted);
  font-size: 14px;
  line-height: 1.75;
}

.bl-zh-faq__notice {
  padding: 26px 0 44px;
  border-top: 1px solid var(--bl-zh-line);
  background: var(--bl-zh-white);
}

.bl-zh-faq__notice-box {
  padding: 18px 20px;
  border-left: 4px solid var(--bl-zh-orange);
  border-radius: 0 12px 12px 0;
  background: #fff8f2;
  color: #57483d;
  font-size: 14px;
  line-height: 1.75;
}

.bl-zh-faq__notice-box strong {
  color: var(--bl-zh-navy);
}

.bl-zh-faq__question:focus-visible,
.bl-zh-faq__filter:focus-visible,
.bl-zh-faq__expand:focus-visible,
.bl-zh-faq__clear:focus-visible,
.bl-zh-faq__cta:focus-visible {
  outline: 3px solid rgba(232, 117, 30, .38);
  outline-offset: 2px;
}

@media (max-width: 980px) {
  .bl-zh-faq__layout {
    grid-template-columns: 1fr;
  }

  .bl-zh-faq__aside {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 18px;
  }

  .bl-zh-faq__aside-note {
    margin-top: 0;
  }
}

@media (max-width: 720px) {
  .bl-zh-faq__inner {
    width: min(calc(100% - 28px), var(--bl-zh-content-width));
  }

  .bl-zh-faq__hero {
    padding: 44px 0;
  }

  .bl-zh-faq__title {
    font-size: 36px;
  }

  .bl-zh-faq__lead {
    font-size: 16px;
  }

  .bl-zh-faq__filters {
    flex-wrap: nowrap;
    margin-right: -14px;
    padding-right: 14px;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .bl-zh-faq__filter {
    flex: 0 0 auto;
  }

  .bl-zh-faq__content {
    padding: 38px 0 52px;
  }

  .bl-zh-faq__section-heading {
    font-size: 23px;
  }

  .bl-zh-faq__group-heading {
    gap: 8px;
  }

  .bl-zh-faq__group-title {
    font-size: 17px;
  }

  .bl-zh-faq__expand {
    min-height: 38px;
    padding: 7px 11px;
    font-size: 12px;
    white-space: nowrap;
  }

  .bl-zh-faq__question {
    min-height: 60px;
    padding: 15px 54px 15px 17px;
    font-size: 16px;
  }

  .bl-zh-faq__question::after {
    right: 15px;
  }

  .bl-zh-faq__answer {
    padding: 0 17px 18px;
    font-size: 15px;
  }

  .bl-zh-faq__aside {
    display: block;
  }

  .bl-zh-faq__aside-note {
    margin-top: 18px;
  }
}

@media (max-width: 390px) {
  .bl-zh-faq__group-heading {
    align-items: flex-start;
  }

  .bl-zh-faq__group-title {
    font-size: 16px;
  }

  .bl-zh-faq__expand {
    padding-inline: 9px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bl-zh-faq *,
  .bl-zh-faq *::before,
  .bl-zh-faq *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}