.page-faq {
  position: relative;
  display: block;
  background: var(--deep);
  color: var(--cold);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow: hidden;
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.6;
}

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

.page-faq [id] {
  scroll-margin-top: 118px;
}

.page-faq a {
  text-decoration: none;
}

/* ---------- 面包屑区 ---------- */

.page-faq .faq-top {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(30px, 5vw, 58px) 0 0;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -80px 0 -30px 0;
  z-index: -1;
  background:
    radial-gradient(115% 92% at 6% 0%, rgba(43, 30, 92, 0.9), transparent 60%),
    radial-gradient(95% 80% at 97% 10%, rgba(110, 27, 51, 0.62), transparent 56%),
    linear-gradient(180deg, var(--abyss) 0%, var(--deep) 100%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: 16px;
  max-width: 1000px;
}

.page-faq .faq-eyebrow-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-hero-no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  padding: 3px 8px;
  color: var(--deep);
  background: var(--neon);
  border: 1px solid var(--neon);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.95rem, 5.4vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--cold);
  transform: skewX(-4deg);
  transform-origin: left bottom;
  max-width: 20ch;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.98rem, 1.7vw, 1.08rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero-meta .mono {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .faq-banner {
  margin-top: clamp(26px, 4.5vw, 48px);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  min-height: 160px;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.06) brightness(0.92);
}

/* ---------- 数据条 ---------- */

.page-faq .faq-strip {
  margin-top: clamp(22px, 4vw, 38px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-strip .data-cell {
  padding: 12px 18px 12px 0;
}

.page-faq .faq-strip .data-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-faq .faq-strip .data-value {
  font-size: 1rem;
  color: var(--neon);
  letter-spacing: 0.01em;
}

/* ---------- 主体双列 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  padding-top: clamp(36px, 6vw, 68px);
}

/* ---------- 左侧问题索引 ---------- */

.page-faq .faq-index {
  border-left: 2px solid var(--line-strong);
  padding-left: 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
}

.page-faq .index-group + .index-group {
  margin-top: 20px;
}

.page-faq .index-group-head {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--neon);
  padding: 4px 0 6px;
  border-bottom: 1px solid var(--line);
  transition: color 0.18s ease;
}

.page-faq .index-group-head:hover,
.page-faq .index-group-head:focus-visible {
  color: var(--lime);
}

.page-faq .index-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}

.page-faq .index-list a {
  display: block;
  padding: 6px 8px;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--slate);
  transition: color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .index-list a:hover,
.page-faq .index-list a:focus-visible {
  color: var(--cold);
  background: var(--neon-soft);
  box-shadow: inset 2px 0 0 var(--neon);
}

/* ---------- 答案区 ---------- */

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(46px, 7vw, 84px);
}

.page-faq .faq-head {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line-strong);
  padding-top: 22px;
  margin-bottom: 24px;
}

.page-faq .faq-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-eyebrow-no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  color: var(--cold);
  background: var(--indigo);
  border: 1px solid var(--line-strong);
}

.page-faq #g-account .faq-eyebrow-no {
  background: var(--wine);
}

.page-faq #g-schedule .faq-eyebrow-no {
  background: var(--indigo);
}

.page-faq #g-usage .faq-eyebrow-no {
  background: var(--wine);
}

.page-faq #g-contact .faq-eyebrow-no {
  background: var(--neon);
  color: var(--deep);
  border-color: var(--neon);
}

.page-faq .faq-head .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cold);
}

.page-faq .faq-head .section-sub {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--slate);
  max-width: 52ch;
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

.page-faq .panel.faq-item {
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .panel.faq-item:hover {
  background: rgba(198, 206, 220, 0.045);
  box-shadow: inset 2px 0 0 var(--neon);
}

.page-faq .panel.faq-item:focus-within {
  background: rgba(198, 206, 220, 0.05);
  box-shadow: inset 2px 0 0 var(--neon);
}

.page-faq .panel-title {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.page-faq .panel-toggle {
  display: block;
  width: 100%;
  padding: 18px 52px 18px 10px;
  margin: 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(0.99rem, 2.2vw, 1.12rem);
  line-height: 1.55;
  color: var(--cold);
  transition: color 0.18s ease;
}

.page-faq .panel-toggle:hover {
  color: var(--neon);
}

.page-faq .panel-toggle[aria-expanded="false"] {
  color: var(--slate);
}

.page-faq .panel-toggle:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-faq .panel-body {
  padding: 0 10px 22px;
  max-width: 70ch;
}

.page-faq .panel-body p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--cold);
}

.page-faq .qa-links {
  margin-top: 12px !important;
  font-size: 0.82rem;
  color: var(--slate);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-faq .qa-links a {
  color: var(--lime);
  border-bottom: 1px solid rgba(156, 255, 199, 0.32);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .qa-links a:hover,
.page-faq .qa-links a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  max-width: 560px;
  margin: clamp(26px, 4vw, 42px) 0 0 auto;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, rgba(43, 30, 92, 0.42), rgba(7, 13, 31, 0.6));
}

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

.page-faq .faq-figure .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 联系卡块 ---------- */

.page-faq .faq-callout {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(20px, 3.4vw, 32px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(118deg, rgba(11, 34, 48, 0.92) 0%, rgba(43, 30, 92, 0.6) 100%);
  box-shadow: inset 0 0 0 1px rgba(7, 13, 31, 0.6);
}

.page-faq .faq-callout-k {
  margin: 0 0 4px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  font-family: var(--font-mono);
}

.page-faq .faq-callout-v {
  margin: 0;
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  color: var(--neon);
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-faq .faq-callout-note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--silver);
  max-width: 62ch;
}

.page-faq .faq-callout-btn {
  justify-self: start;
  border-radius: 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .faq-head .eyebrow {
    grid-column: 1 / -1;
  }

  .page-faq .faq-head .section-title {
    grid-column: 1;
  }

  .page-faq .faq-head .section-sub {
    grid-column: 2;
  }

  .page-faq .faq-callout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-callout-item--wide,
  .page-faq .faq-callout-btn {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1023px) {
  .page-faq .faq-index {
    border-left: 0;
    border-top: 1px solid var(--line-strong);
    padding-left: 0;
    padding-top: 18px;
  }

  .page-faq .faq-index nav {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .page-faq .index-group + .index-group {
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(208px, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 116px;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    padding-right: 4px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-faq .faq-callout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-callout-item--wide {
    grid-column: 1 / span 2;
  }

  .page-faq .faq-callout-btn {
    grid-column: 3;
    justify-self: end;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero h1 {
    transform: none;
    max-width: none;
  }

  .page-faq .faq-banner {
    clip-path: none;
  }

  .page-faq .faq-banner img {
    aspect-ratio: 16 / 7;
    min-height: 130px;
  }

  .page-faq .faq-figure {
    max-width: 100%;
    margin-left: 0;
  }

  .page-faq .panel-toggle {
    padding: 16px 44px 16px 8px;
  }

  .page-faq .panel-body {
    padding-left: 8px;
    padding-right: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}