.page-faq {
  --faq-bg-line: rgba(192, 192, 192, 0.1);
  --faq-bg-line-strong: rgba(192, 192, 192, 0.16);
  --faq-accent: var(--c-neon, #39FF14);
  --faq-card-radius: 16px;
  --faq-gap: 14px;
  --faq-pad: 18px;
  --faq-pad-lg: 26px;
  --faq-font-head: var(--font-head, "Rajdhani", "Noto Sans SC", sans-serif);
  --faq-font-body: var(--font-body, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif);
  --faq-font-data: var(--font-data, "Roboto Mono", "Consolas", monospace);
  position: relative;
  background:
    linear-gradient(rgba(10, 31, 68, 0.98), rgba(10, 31, 68, 0.98)),
    repeating-linear-gradient(90deg, transparent 0, transparent 40px, var(--faq-bg-line) 40px, var(--faq-bg-line) 41px),
    repeating-linear-gradient(0deg, transparent 0, transparent 40px, var(--faq-bg-line) 40px, var(--faq-bg-line) 41px);
  color: var(--c-light, #E6E6E6);
}

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

.page-faq .site-container {
  max-width: var(--container, 1280px);
  margin-inline: auto;
  padding-inline: 16px;
  width: 100%;
  box-sizing: border-box;
}

/* ---------- Breadcrumb ---------- */
.page-faq .breadcrumb {
  padding-top: 20px;
  margin-bottom: 26px;
}

.page-faq .breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--c-silver, #C0C0C0);
}

.page-faq .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb-item + .breadcrumb-item::before,
.page-faq .breadcrumb-current::before {
  content: "/";
  color: var(--c-silver, #C0C0C0);
  margin-right: 8px;
}

.page-faq .breadcrumb-link {
  color: var(--c-cyan, #00D4FF);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease;
}

.page-faq .breadcrumb-link:hover {
  border-bottom-color: currentColor;
}

.page-faq .breadcrumb-current {
  color: var(--c-light, #E6E6E6);
  font-weight: 500;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  display: block;
  position: relative;
}

.page-faq .faq-hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 24px 0 32px;
  position: relative;
}

.page-faq .faq-hero-inner::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--faq-accent, #39FF14) 0, var(--faq-bg-line-strong, rgba(192,192,192,0.16)) 30%, rgba(192, 192, 192, 0) 70%);
}

.page-faq .faq-hero-copy {
  flex: 1;
  min-width: 0;
}

.page-faq .page-title {
  font-family: var(--faq-font-head);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1;
  margin: 0 0 8px;
  color: var(--c-light, #E6E6E6);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  position: relative;
}

.page-faq .title-dot {
  color: var(--faq-accent, #39FF14);
  display: inline-block;
}

.page-faq .lead {
  font-family: var(--faq-font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-silver, #C0C0C0);
  max-width: 640px;
  margin: 10px 0 16px;
}

.page-faq .faq-hero-emblem {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 28%;
  background: var(--c-deep-2, #0E2A5C);
  border: 1px solid var(--faq-bg-line-strong, rgba(192,192,192,0.16));
  transform: rotate(4deg);
  display: grid;
  place-items: center;
  box-shadow: 8px 8px 0 rgba(57, 255, 20, 0.06);
}

.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 18px;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-right: 20px;
  border-right: 1px solid var(--faq-bg-line-strong, rgba(192,192,192,0.16));
}

.page-faq .faq-stat:last-child {
  border-right: none;
  padding-right: 0;
}

.page-faq .faq-stat-num {
  font-family: var(--faq-font-data);
  font-size: 20px;
  font-weight: 700;
  color: var(--faq-accent, #39FF14);
  line-height: 1.2;
}

.page-faq .faq-stat-label {
  font-family: var(--faq-font-body);
  font-size: 12px;
  color: var(--c-silver, #C0C0C0);
}

/* ---------- Toolbar / search ---------- */
.page-faq .faq-toolbar {
  padding-block: 22px 4px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.page-faq .faq-search-input {
  width: min(460px, 100%);
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--c-border, rgba(192,192,192,0.22));
  background: var(--c-deep, #0A1F44);
  color: var(--c-light, #E6E6E6);
  font-family: var(--faq-font-body);
  font-size: 14px;
  transition: border-color 160ms ease;
}

.page-faq .faq-search-input::placeholder {
  color: rgba(192, 192, 192, 0.6);
}

.page-faq .faq-search-input:focus {
  outline: 2px solid var(--faq-accent, #39FF14);
  outline-offset: 2px;
  border-color: transparent;
}

.page-faq .faq-search-hint {
  font-family: var(--faq-font-body);
  font-size: 13px;
  color: var(--c-silver, #C0C0C0);
}

/* ---------- Content grid ---------- */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding-block: 28px 56px;
}

.page-faq .faq-category {
  scroll-margin-top: 100px;
}

/* ---------- Category header ---------- */
.page-faq .faq-cat-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border, rgba(192,192,192,0.22));
}

.page-faq .faq-cat-header {
  display: flex;
  align-items: center;
}

.page-faq .faq-cat-index {
  font-family: var(--faq-font-data);
  font-size: 14px;
  font-weight: 700;
  color: var(--faq-accent, #39FF14);
  background: rgba(57, 255, 20, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  flex-shrink: 0;
  border: 1px solid rgba(57, 255, 20, 0.3);
}

.page-faq .faq-cat-title-wrap {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-cat-title {
  font-family: var(--faq-font-head);
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: var(--c-light, #E6E6E6);
  text-transform: uppercase;
}

.page-faq .faq-cat-desc {
  font-family: var(--faq-font-body);
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-silver, #C0C0C0);
  margin: 4px 0 0;
}

/* ---------- Accordion ---------- */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

.page-faq .faq-item {
  background: var(--c-deep, #0A1F44);
  border: 1px solid var(--faq-bg-line-strong, rgba(192,192,192,0.16));
  border-left: 3px solid rgba(57, 255, 20, 0.5);
  border-radius: var(--faq-card-radius);
  overflow: hidden;
  transition: border-color 160ms ease, background 160ms ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(57, 255, 20, 0.4);
  background: var(--c-deep-2, #0E2A5C);
}

.page-faq .faq-item[open] {
  border-left-color: var(--faq-accent, #39FF14);
  border-color: rgba(57, 255, 20, 0.35);
  background: var(--c-deep-2, #0E2A5C);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: calc(var(--faq-pad) - 2px) var(--faq-pad);
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--faq-accent, #39FF14);
  outline-offset: -2px;
  border-radius: 14px;
}

.page-faq .faq-q-mark {
  flex-shrink: 0;
  font-family: var(--faq-font-head);
  font-size: 13px;
  font-weight: 800;
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  background: rgba(57, 255, 20, 0.14);
  color: var(--faq-accent, #39FF14);
  border-radius: 6px;
  border: 1px solid rgba(57, 255, 20, 0.3);
}

.page-faq .faq-q-text {
  flex: 1;
  min-width: 0;
  font-family: var(--faq-font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-light, #E6E6E6);
}

.page-faq .faq-q-toggle {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  position: relative;
  transition: transform 160ms ease;
}

.page-faq .faq-q-toggle::before,
.page-faq .faq-q-toggle::after {
  content: "";
  position: absolute;
  background: var(--c-silver, #C0C0C0);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  transition: background 160ms ease;
}

.page-faq .faq-q-toggle::before {
  width: 12px;
  height: 2px;
}

.page-faq .faq-q-toggle::after {
  width: 2px;
  height: 12px;
}

.page-faq .faq-item[open] .faq-q-toggle {
  transform: rotate(45deg);
}

.page-faq .faq-item[open] .faq-q-toggle::before,
.page-faq .faq-item[open] .faq-q-toggle::after {
  background: var(--faq-accent, #39FF14);
}

.page-faq .faq-a {
  padding: 0 var(--faq-pad) var(--faq-pad) 48px;
  border-top: 1px solid rgba(192, 192, 192, 0.08);
  margin-top: -2px;
}

.page-faq .faq-a-text {
  font-family: var(--faq-font-body);
  font-size: 14px;
  line-height: 1.7;
  margin: 12px 0 0;
  color: var(--c-silver, #C0C0C0);
}

.page-faq .faq-a-more {
  font-family: var(--faq-font-body);
  font-size: 13px;
  line-height: 1.7;
  margin: 10px 0 0;
  color: var(--c-silver, #C0C0C0);
}

.page-faq .faq-inline-link {
  color: var(--c-cyan, #00D4FF);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

.page-faq .faq-inline-link:hover {
  border-bottom-color: currentColor;
}

/* ---------- Security section ---------- */
.page-faq .faq-security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.page-faq .faq-security-img-wrap {
  border-radius: var(--faq-card-radius);
  overflow: hidden;
  border: 1px solid var(--faq-bg-line-strong, rgba(192,192,192,0.16));
  position: relative;
  background: var(--c-deep, #0A1F44);
}

.page-faq .faq-security-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 31, 68, 0.3) 0%, rgba(10, 31, 68, 0.5) 100%);
  z-index: 1;
}

.page-faq .faq-security-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-accordion--security {
  gap: 12px;
}

/* ---------- Contact row ---------- */
.page-faq .faq-contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.page-faq .faq-accordion--contact {
  order: 2;
}

.page-faq .faq-contact-card {
  order: 1;
  background: var(--c-deep-2, #0E2A5C);
  border: 1px solid var(--c-border, rgba(192,192,192,0.22));
  border-radius: 18px;
  padding: 26px 22px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, var(--faq-accent, #39FF14), var(--c-cyan, #00D4FF));
}

.page-faq .faq-contact-card-icon {
  font-family: var(--faq-font-head);
  font-size: 32px;
  font-weight: 800;
  color: var(--faq-accent, #39FF14);
  display: block;
  line-height: 1;
}

.page-faq .faq-contact-card-title {
  font-family: var(--faq-font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-light, #E6E6E6);
  margin: 12px 0 6px;
}

.page-faq .faq-contact-card-text {
  font-family: var(--faq-font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-silver, #C0C0C0);
  margin: 0 0 16px;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-contact-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-contact-label {
  font-family: var(--faq-font-body);
  font-size: 12px;
  color: var(--c-silver, #C0C0C0);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-faq .faq-contact-value {
  font-family: var(--faq-font-data);
  font-size: 15px;
  color: var(--c-light, #E6E6E6);
}

.page-faq .faq-contact-card .btn {
  font-family: var(--faq-font-body);
  font-size: 13px;
  padding: 10px 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Empty state ---------- */
.page-faq .faq-empty-state {
  text-align: center;
  padding: 40px 20px 80px;
  max-width: 560px;
  margin-inline: auto;
}

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

.page-faq .faq-empty-state:not([hidden]) {
  display: block;
}

.page-faq .faq-empty-title {
  font-family: var(--faq-font-head);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--c-light, #E6E6E6);
}

.page-faq .faq-empty-text {
  font-family: var(--faq-font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-silver, #C0C0C0);
  margin: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 639px) {
  .page-faq .faq-hero-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-faq .faq-hero-emblem {
    position: absolute;
    top: 12px;
    right: 0;
    width: 60px;
    height: 60px;
    opacity: 0.85;
  }

  .page-faq .faq-stats {
    flex-direction: row;
  }

  .page-faq .faq-stat {
    padding-right: 12px;
    margin-right: 12px;
  }

  .page-faq .faq-toolbar {
    align-items: stretch;
  }

  .page-faq .faq-search-hint {
    margin-left: 4px;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-security-grid {
    grid-template-columns: 280px 1fr;
    gap: 28px;
  }

  .page-faq .faq-contact-row {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .page-faq .faq-accordion--contact {
    order: 1;
  }

  .page-faq .faq-contact-card {
    order: 2;
    position: sticky;
    top: 110px;
  }

  .page-faq .faq-hero {
    padding-top: 8px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-content {
    gap: 48px;
  }

  .page-faq .faq-cat-header {
    margin-bottom: 22px;
  }

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

  .page-faq .faq-a {
    padding-left: 52px;
  }
}

@media (max-width: 639px) {
  .page-faq .faq-contact-row {
    display: flex;
    flex-direction: column;
  }

  .page-faq .faq-contact-card {
    order: 0;
    width: 100%;
    box-sizing: border-box;
  }
}

.page-faq {
  scroll-behavior: smooth;
}