.page-faq {
  --faq-hair: #2B1A55;
  --faq-panel-top: rgba(26, 16, 56, 0.62);
  --faq-panel-bottom: rgba(16, 10, 34, 0.72);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 46px) 0 clamp(28px, 5vw, 52px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -15% auto -15%;
  height: 560px;
  background:
    radial-gradient(closest-side, rgba(164, 75, 255, 0.35), transparent 72%) 18% 34% / 62% 86% no-repeat,
    radial-gradient(closest-side, rgba(51, 217, 255, 0.28), transparent 72%) 82% 18% / 52% 76% no-repeat;
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-600) 18%, var(--ink-600) 82%, transparent);
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7.2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--text-primary);
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  color: var(--text-muted);
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.8;
  margin: 0;
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__media {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: linear-gradient(160deg, var(--ink-700), var(--ink-900));
  box-shadow: 0 30px 70px -50px rgba(164, 75, 255, 0.55);
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: clamp(34px, 6vw, 68px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

/* ---------- 左侧分类导航 ---------- */
.page-faq .faq-nav {
  border-left: 1px solid var(--faq-hair);
  padding-left: 18px;
}

.page-faq .faq-nav__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--warm-gold);
}

.page-faq .faq-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-nav__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-nav__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 0;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.94rem;
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  color: var(--text-primary);
}

.page-faq .faq-nav__link:focus-visible {
  outline: 2px solid var(--electric-blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-faq .faq-nav__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-600);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-nav__link:hover .faq-nav__dot,
.page-faq .faq-nav__link:focus-visible .faq-nav__dot {
  background: var(--electric-blue);
  box-shadow: 0 0 0 4px rgba(51, 217, 255, 0.16);
}

.page-faq .faq-nav__count {
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-nav__hint {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(38px, 6vw, 70px);
  scroll-margin-top: 120px;
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2.4vw, 20px);
  align-items: start;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group__head .chapter-no {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--warm-gold);
}

.page-faq .faq-group__title {
  margin: 0 0 6px;
  font-size: clamp(1.22rem, 3.4vw, 1.65rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 可展开条目 ---------- */
.page-faq .entry {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-soft);
  background: linear-gradient(180deg, var(--faq-panel-top), var(--faq-panel-bottom));
  margin-bottom: 10px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

.page-faq .entry:hover {
  border-color: var(--neon-violet);
  transform: translateY(-2px);
}

.page-faq .entry[data-open] {
  border-color: var(--neon-violet);
  box-shadow: 0 0 0 1px rgba(164, 75, 255, 0.3), 0 24px 50px -42px rgba(164, 75, 255, 0.7);
}

.page-faq .entry__h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .entry__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 15px 16px;
  background: none;
  border: 0;
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .entry__head:focus-visible {
  outline: 2px solid var(--electric-blue);
  outline-offset: 2px;
  border-radius: var(--radius-soft);
}

.page-faq .entry__no {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--warm-gold);
}

.page-faq .entry__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-primary);
}

.page-faq .entry[data-open] .entry__title {
  color: var(--electric-blue);
}

.page-faq .entry__chev {
  position: relative;
  width: 20px;
  height: 20px;
  border: 1px solid var(--ink-600);
  border-radius: 6px;
  flex: none;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .entry:hover .entry__chev,
.page-faq .entry[data-open] .entry__chev {
  border-color: var(--electric-blue);
}

.page-faq .entry__chev::before,
.page-faq .entry__chev::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--electric-blue);
}

.page-faq .entry__chev::before {
  width: 10px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .entry__chev::after {
  width: 1.5px;
  height: 10px;
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .entry[data-open] .entry__chev::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .entry__body {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--faq-hair);
}

.page-faq .entry:not([data-open]) .entry__body {
  display: none;
}

.page-faq .entry__body > p {
  margin: 0 0 10px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-primary);
}

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

.page-faq .entry__link {
  margin: 14px 0 0 !important;
  font-size: 0.9rem;
}

/* ---------- 步骤卡片 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid var(--faq-hair);
  border-radius: 10px;
  background: rgba(8, 6, 15, 0.55);
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--text-primary);
}

.page-faq .steps__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--warm-gold);
  padding-top: 0.24em;
}

/* ---------- 中部示意图 ---------- */
.page-faq .faq-figure {
  margin: clamp(26px, 5vw, 46px) 0 clamp(34px, 6vw, 60px);
}

.page-faq .faq-figure .media-frame {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: linear-gradient(200deg, var(--ink-800), var(--ink-900));
}

.page-faq .faq-figure .media-frame__caption {
  display: block;
  margin-top: 10px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 客服通道 ---------- */
.page-faq .faq-help-card,
.page-faq .faq-help__card {
  position: relative;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-card);
  padding: clamp(24px, 4.5vw, 46px);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(255, 107, 90, 0.14), transparent 62%),
    linear-gradient(180deg, var(--ink-700), var(--ink-800));
  overflow: hidden;
}

.page-faq .faq-help__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2.4vw, 20px);
  align-items: start;
}

.page-faq .faq-help__head .chapter-no {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--coral);
}

.page-faq .faq-help__title {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 3.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

.page-faq .faq-help__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .faq-help__channels {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-faq .channel {
  border: 1px solid var(--coral);
  border-radius: var(--radius-soft);
  padding: 20px 18px;
  background: rgba(8, 6, 15, 0.45);
  box-shadow: 0 0 0 1px rgba(255, 107, 90, 0.12);
}

.page-faq .channel__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-faq .channel__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3vw, 1.12rem);
  letter-spacing: 0.02em;
  color: var(--text-primary);
  word-break: break-all;
}

.page-faq .channel__desc {
  margin: 0 0 16px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-faq .faq-help__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-nav__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-nav__link {
    display: flex;
    width: 100%;
    padding: 9px 0;
  }

  .page-faq .faq-nav__count {
    margin-left: auto;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-help__channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 959px) {
  .page-faq .faq-nav {
    border-left: 0;
    border-bottom: 1px solid var(--faq-hair);
    padding-left: 0;
    padding-bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .entry,
  .page-faq .entry__chev,
  .page-faq .entry__chev::after,
  .page-faq .faq-nav__link,
  .page-faq .faq-nav__dot {
    transition: none;
  }

  .page-faq .entry:hover {
    transform: none;
  }
}