.page-faq {
  padding-left: var(--vh-rail);
  color: var(--vh-mist);
  --faq-panel: rgba(58, 30, 110, 0.26);
  --faq-panel-deep: rgba(3, 11, 26, 0.42);
}

@media (max-width: 1023px) {
  .page-faq {
    padding-left: 0;
  }
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.25rem, 3.5vw, 2.25rem) clamp(1.75rem, 4vw, 3rem);
  border-bottom: 1px solid var(--vh-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -50%;
  width: min(620px, 80%);
  aspect-ratio: 1 / 1;
  background: linear-gradient(150deg, rgba(38, 224, 214, 0.16), rgba(58, 30, 110, 0.5) 58%, rgba(3, 11, 26, 0) 82%);
  border-radius: 42% 58% 52% 48% / 50% 44% 56% 50%;
  transform: rotate(10deg);
  pointer-events: none;
}

.page-faq .vh-breadcrumb {
  position: relative;
  margin-bottom: clamp(1rem, 2.5vw, 1.6rem);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.5rem);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }
}

.page-faq .vh-title {
  margin-block: 0.55rem 0.85rem;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  color: var(--vh-steel);
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.75;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.25rem;
  margin-top: clamp(1.1rem, 2.5vw, 1.6rem);
  font-family: var(--vh-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--vh-steel);
}

.page-faq .faq-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .faq-hero__meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--vh-cyan);
  flex: 0 0 auto;
}

.page-faq .faq-hero__media {
  position: relative;
  border: 1px solid var(--vh-line);
  border-radius: var(--vh-radius);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(14, 107, 116, 0.3), rgba(3, 11, 26, 0.6));
  box-shadow: 0 30px 70px -40px rgba(3, 11, 26, 0.95);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(2.5rem, 5vw, 4.5rem);
}

.page-faq .faq-body__inner {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.5rem);
}

@media (min-width: 1024px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: clamp(1.75rem, 3.5vw, 3.25rem);
    align-items: start;
  }
}

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

/* ---------- 左侧索引 ---------- */
.page-faq .faq-side {
  border: 1px solid var(--vh-line);
  border-radius: var(--vh-radius);
  background: linear-gradient(180deg, var(--faq-panel), var(--faq-panel-deep));
  padding: 0.85rem;
}

@media (min-width: 1024px) {
  .page-faq .faq-side {
    position: sticky;
    top: 1.5rem;
  }
}

.page-faq .faq-side__title {
  margin: 0 0 0.65rem;
  font-family: var(--vh-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vh-cyan);
}

.page-faq .faq-side__list {
  display: flex;
  gap: 0.35rem;
  margin: 0;
  padding: 0 0 0.3rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1024px) {
  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 0.2rem;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-faq .faq-side__link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 0 0 auto;
  padding: 0.48rem 0.6rem;
  border: 1px solid transparent;
  border-left: 2px solid transparent;
  border-radius: var(--vh-radius);
  color: var(--vh-steel);
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--vh-ease), border-color 0.18s var(--vh-ease), background 0.18s var(--vh-ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--vh-mist);
  border-color: var(--vh-line-strong);
  border-left-color: var(--vh-cyan);
  background: rgba(38, 224, 214, 0.08);
  outline: none;
}

.page-faq .faq-side__num {
  font-family: var(--vh-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--vh-cyan);
}

.page-faq .faq-side__cta {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--vh-line);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.25rem, 4.5vw, 3.5rem);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--vh-line-strong);
}

.page-faq .faq-group__idx {
  flex: 0 0 auto;
  font-family: var(--vh-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--vh-cyan);
  border: 1px solid rgba(38, 224, 214, 0.35);
  border-radius: var(--vh-radius);
  padding: 0.16rem 0.4rem;
}

.page-faq .faq-group:nth-of-type(2) .faq-group__idx {
  color: var(--vh-orange);
  border-color: rgba(255, 138, 61, 0.42);
}

.page-faq .faq-group:nth-of-type(3) .faq-group__idx {
  color: var(--vh-ok);
  border-color: rgba(79, 209, 139, 0.42);
}

.page-faq .faq-group:nth-of-type(4) .faq-group__idx {
  color: var(--vh-mist);
  border-color: var(--vh-line-strong);
}

.page-faq .faq-group:nth-of-type(5) .faq-group__idx {
  color: var(--vh-orange);
  border-color: rgba(255, 138, 61, 0.42);
}

.page-faq .faq-group:nth-of-type(6) .faq-group__idx {
  color: var(--vh-cyan);
  border-color: rgba(38, 224, 214, 0.35);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--vh-font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--vh-mist);
}

.page-faq .faq-group__note {
  margin: 0.85rem 0 1.05rem;
  max-width: 66ch;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--vh-steel);
}

.page-faq .faq-num {
  font-family: var(--vh-font-mono);
  font-weight: 600;
  color: var(--vh-orange);
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.2rem;
  border: 1px solid var(--vh-line);
  border-radius: var(--vh-radius);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(14, 107, 116, 0.3), rgba(3, 11, 26, 0.55));
}

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

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--vh-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--vh-line);
  transition: background 0.2s var(--vh-ease);
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(38, 224, 214, 0.07), rgba(3, 11, 26, 0) 70%);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 0.85rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--vh-mist);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--vh-font-mono);
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--vh-cyan);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
}

.page-faq .faq-item__q:hover {
  color: #ffffff;
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--vh-cyan);
  outline-offset: -2px;
  border-radius: var(--vh-radius);
}

.page-faq .faq-item__a {
  padding: 0 0.85rem 1.3rem 1.7rem;
  max-width: 70ch;
  color: var(--vh-steel);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-faq .faq-item__a p {
  margin: 0 0 0.7rem;
}

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

.page-faq .faq-item__a a {
  color: var(--vh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 224, 214, 0.4);
}

.page-faq .faq-item__a a:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.page-faq .faq-lead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
  color: var(--vh-mist);
}

.page-faq .faq-lead__k {
  flex: 0 0 auto;
  font-family: var(--vh-font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--vh-orange);
  border: 1px solid rgba(255, 138, 61, 0.45);
  border-radius: var(--vh-radius);
  padding: 0.08rem 0.32rem;
}

.page-faq .faq-path {
  font-family: var(--vh-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--vh-cyan);
}

/* ---------- 通道列表 ---------- */
.page-faq .faq-channels {
  list-style: none;
  margin: 1.1rem 0 1.3rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-channels__item {
  display: grid;
  gap: 0.22rem 0.9rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--vh-line);
  border-left: 2px solid var(--vh-cyan);
  border-radius: var(--vh-radius);
  background: linear-gradient(120deg, rgba(14, 107, 116, 0.24), rgba(3, 11, 26, 0.28));
}

.page-faq .faq-channels__item:nth-child(2) {
  border-left-color: var(--vh-orange);
}

.page-faq .faq-channels__item:nth-child(3) {
  border-left-color: var(--vh-ok);
}

@media (min-width: 720px) {
  .page-faq .faq-channels__item {
    grid-template-columns: 7.5rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.9rem;
  }
}

.page-faq .faq-channels__name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--vh-mist);
}

.page-faq .faq-channels__desc {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--vh-steel);
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.4rem, 3vw, 2.25rem);
  border: 1px solid var(--vh-line-strong);
  border-radius: var(--vh-radius);
  background:
    radial-gradient(520px 220px at 88% 0%, rgba(255, 138, 61, 0.18), transparent 70%),
    linear-gradient(135deg, rgba(58, 30, 110, 0.55), rgba(3, 11, 26, 0.72));
}

.page-faq .faq-cta__title {
  margin: 0 0 0.55rem;
  font-family: var(--vh-font-display);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--vh-mist);
}

.page-faq .faq-cta__text {
  margin: 0 0 1.15rem;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--vh-steel);
}

.page-faq .faq-cta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-group__head {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .page-faq .faq-item__q {
    padding: 0.9rem 0.55rem;
    font-size: 0.95rem;
  }

  .page-faq .faq-item__a {
    padding: 0 0.55rem 1.15rem 1.1rem;
    font-size: 0.92rem;
  }

  .page-faq .faq-cta__row .vh-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-side__link,
  .page-faq .faq-item {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>