.page-faq {
  --faq-green: #00e676;
  --faq-orange: #ff6d00;
  --faq-yellow: #ffab00;
  --faq-card: #10264a;
  --faq-card-light: #142c56;
  --faq-border: #1e3a5f;
  --faq-text: #f0f4ff;
  --faq-text-dim: #a0b0c8;
  --faq-deep: #081528;
  --faq-mono: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", Consolas, monospace;
  --faq-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --faq-heading: "Oswald", Impact, "Arial Black", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --faq-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --faq-duration: 0.28s;
  background: var(--faq-deep);
  position: relative;
}

.page-faq .breadcrumb {
  padding-top: 24px;
}

.page-faq .breadcrumb__list,
.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-text-dim);
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--faq-border);
  font-family: var(--faq-mono);
}

.page-faq .breadcrumb__link {
  color: var(--faq-text-dim);
  text-decoration: none;
  transition: color var(--faq-duration) var(--faq-ease);
}

.page-faq .breadcrumb__link:hover {
  color: var(--faq-green);
}

.page-faq .faq-hero {
  padding: 32px 0 24px;
  position: relative;
}

.page-faq .faq-hero::before {
  content: "FAQ";
  position: absolute;
  right: -10px;
  top: 8px;
  font-family: var(--faq-heading);
  font-weight: 700;
  font-size: 128px;
  line-height: 1;
  color: rgba(16, 38, 74, 0.35);
  pointer-events: none;
  letter-spacing: -4px;
  z-index: 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
}

.page-faq .section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--faq-mono);
  font-size: 13px;
  color: var(--faq-green);
  letter-spacing: 0.08em;
}

.page-faq .section-label__index {
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.25);
  border-radius: 4px;
  padding: 2px 8px;
  font-variant-numeric: tabular-nums;
}

.page-faq .section-label::after {
  content: "";
  display: inline-block;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--faq-green), transparent);
}

.page-faq .page-hero__title {
  margin: 0 0 16px;
  max-width: 760px;
  font-family: var(--faq-heading);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.1;
  font-weight: 700;
  color: var(--faq-text);
  letter-spacing: -0.02em;
}

.page-faq .page-hero__lead {
  max-width: 680px;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-text-dim);
}

.page-faq .faq-search {
  padding: 12px 0 8px;
  position: relative;
  z-index: 2;
}

.page-faq .faq-search__bar {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--faq-card);
  border: 1px solid var(--faq-border);
  border-radius: 12px;
  padding: 6px;
  transition: border-color var(--faq-duration) var(--faq-ease), box-shadow var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-search__bar:focus-within {
  border-color: var(--faq-green);
  box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.12);
}

.page-faq .faq-search__prefix {
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-green);
  padding: 0 12px;
  border-right: 1px solid var(--faq-border);
  white-space: nowrap;
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--faq-sans);
  color: var(--faq-text);
  caret-color: var(--faq-green);
}

.page-faq .faq-search__input::placeholder {
  color: var(--faq-text-dim);
  opacity: 0.65;
}

.page-faq .faq-search__input::-webkit-search-cancel-button {
  filter: invert(70%);
}

.page-faq .faq-search__status {
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-text-dim);
  padding: 0 14px;
  white-space: nowrap;
  border-left: 1px solid var(--faq-border);
}

.page-faq .faq-helper {
  padding: 8px 0 24px;
}

.page-faq .faq-helper .container {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-faq .faq-helper__image {
  width: 96px;
  height: 96px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(0, 230, 118, 0.12), rgba(255, 109, 0, 0.08)),
    var(--faq-card);
  border: 1px solid var(--faq-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.page-faq .faq-helper__image::before {
  content: "";
  width: 40px;
  height: 40px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40' fill='none'%3E%3Cpath d='M10 18c4-2 8-2 12 0s8 2 12 0' stroke='%2300e676' stroke-width='2' stroke-linecap='round'/%3E%3Cpath d='M10 24c4-2 8-2 12 0s8 2 12 0' stroke='%23ff6d00' stroke-width='2' stroke-linecap='round' opacity='0.8'/%3E%3Crect x='6' y='10' width='28' height='20' rx='4' stroke='%231e3a5f' stroke-width='1.5'/%3E%3Ccircle cx='20' cy='20' r='3' fill='%2300e676'/%3E%3C/svg%3E") center/contain no-repeat;
}

.page-faq .faq-helper__intro {
  flex: 1 1 280px;
}

.page-faq .faq-helper__label {
  display: inline-block;
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-orange);
  background: rgba(255, 109, 0, 0.08);
  border: 1px solid rgba(255, 109, 0, 0.25);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 8px;
}

.page-faq .faq-helper__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-text-dim);
  max-width: 640px;
}

.page-faq .faq-helper__link {
  color: var(--faq-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 118, 0.3);
  transition: border-color var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-helper__link:hover {
  border-bottom-color: var(--faq-green);
}

.page-faq .faq-docs {
  padding: 8px 0 64px;
  position: relative;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.page-faq .faq-sidebar {
  position: relative;
  z-index: 1;
}

.page-faq .faq-sidebar__panel {
  background: var(--faq-card);
  border: 1px solid var(--faq-border);
  border-radius: 14px;
  padding: 20px;
  position: sticky;
  top: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.page-faq .faq-sidebar__caption {
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-categories {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-category {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 11px 12px;
  font-family: var(--faq-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--faq-text-dim);
  cursor: pointer;
  text-align: left;
  transition: background var(--faq-duration) var(--faq-ease), color var(--faq-duration) var(--faq-ease), border-color var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-category__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--faq-border);
  flex: 0 0 auto;
  transition: background var(--faq-duration) var(--faq-ease), box-shadow var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-category__count {
  margin-left: auto;
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-text-dim);
}

.page-faq .faq-category:hover {
  color: var(--faq-text);
  background: rgba(0, 230, 118, 0.04);
}

.page-faq .faq-category.is-active {
  background: rgba(0, 230, 118, 0.08);
  border-color: rgba(0, 230, 118, 0.2);
  color: var(--faq-text);
}

.page-faq .faq-category.is-active .faq-category__dot {
  background: var(--faq-green);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.5);
}

.page-faq .faq-category.is-active .faq-category__count {
  color: var(--faq-green);
}

.page-faq .faq-sidebar__cta {
  margin-top: 4px;
}

.page-faq .faq-sidebar__note {
  text-align: center;
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-text-dim);
  margin: 12px 0 0;
}

.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-search-empty {
  text-align: center;
  padding: 48px 24px;
  background: var(--faq-card);
  border: 1px dashed var(--faq-border);
  border-radius: 14px;
}

.page-faq .faq-search-empty[hidden] {
  display: none;
}

.page-faq .faq-search-empty__code {
  font-family: var(--faq-mono);
  font-size: 28px;
  color: var(--faq-orange);
  margin: 0 0 8px;
  font-weight: 700;
}

.page-faq .faq-search-empty p:last-child {
  margin: 0;
  font-size: 14px;
  color: var(--faq-text-dim);
  line-height: 1.7;
}

.page-faq .faq-group[hidden] {
  display: none;
}

.page-faq .faq-group__heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 6px;
  font-family: var(--faq-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--faq-text);
  letter-spacing: -0.01em;
}

.page-faq .faq-group__index {
  font-family: var(--faq-mono);
  font-size: 16px;
  color: var(--faq-green);
  font-weight: 400;
  letter-spacing: 0;
}

.page-faq .faq-group__desc {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-text-dim);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--faq-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color var(--faq-duration) var(--faq-ease), box-shadow var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(0, 230, 118, 0.3);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 109, 0, 0.45);
  box-shadow: inset 0 3px 0 var(--faq-orange);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
}

.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__number {
  font-family: var(--faq-mono);
  font-size: 13px;
  color: var(--faq-green);
  flex: 0 0 auto;
  opacity: 0.7;
}

.page-faq .faq-item__question {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--faq-text);
}

.page-faq .faq-item__icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  border-radius: 4px;
  border: 1px solid var(--faq-border);
  transition: border-color var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--faq-text-dim);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background var(--faq-duration) var(--faq-ease), transform var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-item__icon::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__icon::before {
  background: var(--faq-orange);
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--faq-orange);
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item__answer {
  padding: 0 18px 18px;
  margin-left: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--faq-text-dim);
  border-top: 1px dashed var(--faq-border);
  margin-top: -4px;
  padding-top: 14px;
}

.page-faq .faq-item__answer p {
  margin: 0 0 8px;
}

.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__answer a {
  color: var(--faq-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 118, 0.3);
  transition: border-color var(--faq-duration) var(--faq-ease);
}

.page-faq .faq-item__answer a:hover {
  border-bottom-color: var(--faq-green);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .faq-figure__frame {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--faq-border);
  background: var(--faq-card);
  max-width: 500px;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 500 / 300;
}

.page-faq .faq-figure__caption {
  margin: 8px 0 0;
  max-width: 500px;
  font-family: var(--faq-mono);
  font-size: 12px;
  color: var(--faq-text-dim);
}

.page-faq .faq-support {
  margin-top: 36px;
}

.page-faq .faq-support__band {
  background: linear-gradient(135deg, rgba(0, 230, 118, 0.06), rgba(255, 109, 0, 0.03)), var(--faq-card);
  border: 1px solid var(--faq-border);
  border-radius: 14px;
  padding: 24px;
}

.page-faq .faq-support__title {
  font-family: var(--faq-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--faq-text);
  margin: 0 0 8px;
}

.page-faq .faq-support__text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-text-dim);
}

.page-faq .faq-support__text a {
  color: var(--faq-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 118, 0.3);
}

.page-faq .faq-support__list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-border);
}

.page-faq .faq-support__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid rgba(30, 58, 95, 0.6);
  gap: 16px;
  flex-wrap: wrap;
}

.page-faq .faq-support__row dt {
  font-size: 13px;
  color: var(--faq-text-dim);
  margin: 0;
}

.page-faq .faq-support__row dd {
  margin: 0;
  font-family: var(--faq-mono);
  font-size: 14px;
  color: var(--faq-text);
  word-break: break-all;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--faq-sans);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--faq-duration) var(--faq-ease), box-shadow var(--faq-duration) var(--faq-ease), background var(--faq-duration) var(--faq-ease);
}

.page-faq .btn--primary {
  background: var(--faq-green);
  color: #081528;
  box-shadow: 0 4px 16px rgba(0, 230, 118, 0.2);
}

.page-faq .btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 230, 118, 0.3);
}

.page-faq .btn--block {
  display: flex;
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-sidebar__panel {
    padding: 24px;
  }

  .page-faq .faq-support__band {
    padding: 28px;
  }

  .page-faq .faq-item__summary {
    padding: 18px 20px;
  }

  .page-faq .faq-item__answer {
    padding: 14px 20px 20px;
  }

  .page-faq .faq-helper .container {
    flex-wrap: nowrap;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px 1fr;
    gap: 32px;
  }

  .page-faq .faq-hero {
    padding: 56px 0 32px;
  }

  .page-faq .faq-hero::before {
    font-size: 180px;
    right: 0;
  }

  .page-faq .faq-group__heading {
    font-size: 32px;
  }

  .page-faq .faq-sidebar__panel {
    border-radius: 16px;
  }

  .page-faq .faq-categories {
    gap: 6px;
  }

  .page-faq .faq-category {
    padding: 12px 14px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-search__prefix {
    display: none;
  }

  .page-faq .faq-search__input {
    padding: 12px 10px 12px 14px;
  }

  .page-faq .faq-search__status {
    padding: 0 10px;
    font-size: 11px;
  }

  .page-faq .faq-item__summary {
    gap: 10px;
    padding: 14px 14px;
  }

  .page-faq .faq-item__answer {
    padding: 12px 14px 16px;
  }

  .page-faq .faq-item__question {
    font-size: 14px;
  }

  .page-faq .faq-hero::before {
    font-size: 80px;
    right: -6px;
    top: 12px;
  }

  .page-faq .faq-helper__image {
    width: 72px;
    height: 72px;
  }

  .page-faq .faq-support__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 4px;
  }

  .page-faq .faq-group__heading {
    font-size: 24px;
    flex-wrap: wrap;
  }
}