/* ===== 帮助中心 page-faq ===== */
.page-faq {
  background:
    radial-gradient(circle at 90% 4%, rgba(255, 107, 0, 0.16), transparent 22rem),
    linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 42%, var(--color-primary-dark) 100%);
  color: var(--color-text-light);
  overflow: hidden;
}

.page-faq ::selection {
  background: var(--color-accent);
  color: var(--color-text-light);
}

/* 帮助首屏 */
.page-faq .faq-hero {
  padding-top: calc(var(--header-height) + 28px);
  padding-bottom: 64px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-faq .faq-hero__content {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.page-faq .faq-hero__title {
  max-width: 660px;
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--font-h1);
  line-height: 1.04;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.page-faq .faq-hero__subline {
  display: block;
  color: var(--color-accent-light);
}

.page-faq .faq-hero__lead {
  max-width: 52ch;
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-body);
  line-height: 1.8;
}

.page-faq .faq-hero__badges {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

.page-faq .faq-hero__media {
  position: relative;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: 12px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.42), rgba(10, 27, 61, 0.24));
  box-shadow: 0 30px 80px rgba(2, 10, 30, 0.45);
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  pointer-events: none;
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
}

.page-faq .faq-hero__stripe {
  position: absolute;
  top: 18%;
  left: -24px;
  padding: 8px 20px;
  transform: rotate(-6deg);
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.18em;
  box-shadow: 0 6px 0 rgba(255, 107, 0, 0.4);
}

/* 快速定位胶囊导览 */
.page-faq .faq-dock {
  padding-bottom: 32px;
}

.page-faq .faq-dock__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.page-faq .faq-dock__label {
  margin-right: 8px;
  color: var(--color-accent-light);
  font-size: var(--font-caption);
  font-weight: 600;
  letter-spacing: 0.14em;
}

.page-faq .faq-dock__link {
  flex: 0 0 auto;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-light);
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-dock__link:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* 帮助主体：侧栏 + 手风琴 */
.page-faq .faq-main {
  padding-bottom: 80px;
}

.page-faq .faq-main__grid {
  display: grid;
  gap: 40px;
}

/* 侧栏 */
.page-faq .faq-rail {
  display: grid;
  gap: 24px;
  align-content: start;
}

.page-faq .faq-rail__card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(255, 107, 0, 0.18), rgba(10, 27, 61, 0.45));
}

.page-faq .faq-rail__kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .faq-rail__text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq .faq-rail__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.page-faq .faq-rail__figure {
  position: relative;
  margin: 0;
  padding: 10px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
}

.page-faq .faq-rail__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.page-faq .faq-rail__caption {
  margin-top: 10px;
  color: var(--color-text-muted);
  font-size: var(--font-caption);
  text-align: center;
}

.page-faq .faq-rail__help {
  padding: 20px;
  border: 1px dashed rgba(255, 107, 0, 0.45);
  border-radius: 24px;
  background: var(--color-surface-dark);
}

.page-faq .faq-rail__help p {
  margin: 0 0 18px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 手风琴 */
.page-faq .faq-accordion {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-accordion__header {
  padding-bottom: 8px;
}

.page-faq .faq-q {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 6px solid transparent;
  border-radius: 20px;
  background: linear-gradient(145deg, #0E2146, #0A1B3D);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-q[open] {
  border-left-color: var(--color-accent);
  background: linear-gradient(145deg, #112750, #0A1B3D);
}

.page-faq .faq-q__summary {
  display: grid;
  grid-template-columns: 34px 32px minmax(0, 1fr) 24px;
  gap: 10px 12px;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

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

.page-faq .faq-q__summary:hover {
  color: var(--color-accent-light);
}

.page-faq .faq-q__num {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-accent);
}

.page-faq .faq-q__icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-accent-light);
}

.page-faq .faq-q__icon svg {
  display: block;
  width: 20px;
  height: 20px;
}

.page-faq .faq-q__text {
  display: grid;
  gap: 4px;
}

.page-faq .faq-q__cat {
  justify-self: start;
}

.page-faq .faq-q__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.page-faq .faq-q__toggle {
  position: relative;
  width: 24px;
  height: 24px;
}

.page-faq .faq-q__toggle::before,
.page-faq .faq-q__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--color-accent);
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}

.page-faq .faq-q__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-q[open] .faq-q__toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-q__body {
  padding: 0 20px 26px 88px;
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.85;
}

.page-faq .faq-q[open] .faq-q__body {
  animation: faqQBodyIn 0.28s ease;
}

.page-faq .faq-q__body ol {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqStep;
}

.page-faq .faq-q__body ol li {
  position: relative;
  padding-left: 38px;
  counter-increment: faqStep;
}

.page-faq .faq-q__body ol li::before {
  content: counter(faqStep, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid rgba(255, 107, 0, 0.45);
  border-radius: 50%;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.85rem;
}

.page-faq .faq-q__body p {
  margin: 0;
}

/* 底部联系面板 */
.page-faq .faq-final {
  padding-bottom: 88px;
}

.page-faq .faq-final__panel {
  position: relative;
  display: grid;
  gap: 24px;
  align-items: center;
  padding: 36px;
  overflow: hidden;
  border-radius: 32px;
  background: linear-gradient(110deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  color: var(--color-primary-dark);
}

.page-faq .faq-final__panel::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border: 30px solid rgba(5, 15, 35, 0.12);
  border-radius: 50%;
}

.page-faq .faq-final__panel > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-final__kicker {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.8;
}

.page-faq .faq-final__title {
  margin: 4px 0;
  font-family: var(--font-heading);
  font-size: var(--font-h3);
  text-transform: uppercase;
}

.page-faq .faq-final__desc {
  max-width: 58ch;
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
}

.page-faq .faq-final__action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-self: start;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--color-primary-dark);
  color: var(--color-text-light);
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-final__action:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

@keyframes faqQBodyIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 桌面端 */
@media (min-width: 920px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-height) + 44px);
    padding-bottom: 80px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 56px;
  }

  .page-faq .faq-hero__frame {
    padding: 14px;
  }

  .page-faq .faq-main__grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 60px;
  }

  .page-faq .faq-q__summary {
    grid-template-columns: 44px 40px minmax(0, 1fr) 28px;
    gap: 14px;
    padding: 22px 28px;
  }

  .page-faq .faq-q__body {
    padding-right: 28px;
    padding-left: 106px;
  }

  .page-faq .faq-final__panel {
    grid-template-columns: 1fr auto;
    padding: 44px 56px;
  }

  .page-faq .faq-final__action {
    justify-self: end;
  }
}

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