.page-faq {
  --faq-accent: var(--sd-gold);
  --faq-panel: #101119;
  --faq-gutter: 20px;
  position: relative;
  overflow: hidden;
  padding-bottom: 96px;
  background:
    radial-gradient(120% 55% at 50% -12%, rgba(200, 162, 74, 0.12), transparent 62%),
    radial-gradient(90% 45% at 82% 42%, rgba(123, 77, 255, 0.08), transparent 60%),
    var(--sd-obsidian);
  color: var(--sd-ink);
  font-family: var(--sd-font-body);
}

.page-faq::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 150px;
  height: 540px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(200, 162, 74, 0.18), rgba(200, 162, 74, 0));
  filter: blur(40px);
  pointer-events: none;
}

/* ---------- 面包屑 ---------- */
.page-faq .sd-crumbs {
  position: relative;
  z-index: 2;
  padding-top: 22px;
  font-size: 13px;
}

.page-faq .sd-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--sd-ink-dim);
}

.page-faq .sd-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(200, 162, 74, 0.5);
}

.page-faq .sd-crumbs a {
  color: var(--sd-ink-dim);
  text-decoration: none;
}

.page-faq .sd-crumbs a:hover {
  color: var(--sd-gold-bright);
}

.page-faq .sd-crumbs [aria-current="page"] {
  color: var(--sd-gold);
}

/* ---------- 开篇 ---------- */
.page-faq .faq-hero {
  position: relative;
  z-index: 1;
  padding: 30px 0 54px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--sd-font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 6.6vw, 3.3rem);
  line-height: 1.24;
  letter-spacing: 0.04em;
  color: var(--sd-bone);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin-top: 18px;
  max-width: 60ch;
  color: var(--sd-ink);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-hero__art {
  margin: 0;
  border-radius: var(--sd-radius-lg);
  overflow: hidden;
  border: 1px solid var(--sd-line);
  box-shadow: var(--sd-shadow);
  background: var(--sd-rock);
  clip-path: polygon(0 8%, 50% 0, 100% 8%, 100% 100%, 0 100%);
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  opacity: 0.9;
}

/* 三条快速入口 */
.page-faq .faq-quick {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-quick__item a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 14px 18px;
  border: 1px solid var(--sd-line);
  border-left-width: 3px;
  border-radius: var(--sd-radius);
  background: linear-gradient(180deg, rgba(22, 24, 33, 0.9), rgba(11, 11, 16, 0.7));
  color: var(--sd-bone);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.6;
  transition: border-color 0.24s var(--sd-ease), transform 0.24s var(--sd-ease), background 0.24s var(--sd-ease);
}

.page-faq .faq-quick__item a:hover,
.page-faq .faq-quick__item a:focus-visible {
  border-color: rgba(200, 162, 74, 0.7);
  background: linear-gradient(180deg, rgba(30, 28, 40, 0.95), rgba(16, 17, 25, 0.85));
  transform: translateX(4px);
}

.page-faq .faq-quick__no {
  font-family: var(--sd-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--sd-gold);
  flex: 0 0 auto;
}

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

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 12px;
}

/* 索引 */
.page-faq .faq-index {
  padding: 20px 18px;
  border: 1px solid var(--sd-line-soft);
  border-radius: var(--sd-radius);
  background: linear-gradient(180deg, rgba(22, 24, 33, 0.86), rgba(11, 11, 16, 0.6));
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--sd-font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--sd-gold);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0 10px 14px;
  border-left: 2px solid var(--sd-line-soft);
  color: var(--sd-ink-dim);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.24s var(--sd-ease), border-color 0.24s var(--sd-ease), padding-left 0.24s var(--sd-ease);
}

.page-faq .faq-index__link::before {
  content: attr(data-step);
  font-family: var(--sd-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(200, 162, 74, 0.6);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--sd-bone);
  border-left-color: var(--sd-gold);
}

.page-faq .faq-index__link[aria-current]:not([aria-current="false"]) {
  color: var(--sd-gold-bright);
  border-left-color: var(--sd-violet);
  padding-left: 18px;
}

.page-faq .faq-index__link[aria-current]:not([aria-current="false"])::before {
  color: var(--sd-violet);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  position: relative;
  padding-top: 42px;
  scroll-margin-top: calc(var(--sd-header-h) + 24px);
}

.page-faq .faq-group:first-child {
  padding-top: 26px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--sd-line);
  position: relative;
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 72px;
  height: 2px;
  background: var(--faq-accent);
}

.page-faq .faq-group--gold { --faq-accent: var(--sd-gold); }
.page-faq .faq-group--violet { --faq-accent: var(--sd-violet); }
.page-faq .faq-group--jade { --faq-accent: var(--sd-jade); }
.page-faq .faq-group--lava { --faq-accent: var(--sd-lava); }
.page-faq .faq-group--moss { --faq-accent: var(--sd-moss); }

.page-faq .faq-group__no {
  font-family: var(--sd-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--faq-accent);
  flex: 0 0 auto;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--sd-font-display);
  font-weight: 700;
  font-size: clamp(1.28rem, 4.4vw, 1.75rem);
  letter-spacing: 0.05em;
  color: var(--sd-bone);
}

/* ---------- 单条问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--sd-line-soft);
  scroll-margin-top: calc(var(--sd-header-h) + 28px);
}

.page-faq .faq-item > summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 22px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--sd-bone);
  transition: color 0.24s var(--sd-ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  color: var(--sd-gold-bright);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  font-family: var(--sd-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sd-gold);
  padding-top: 6px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--sd-font-display);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.62;
  letter-spacing: 0.02em;
}

.page-faq .faq-item__sign {
  flex: 0 0 auto;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 7px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--sd-gold);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--sd-ease), opacity 0.3s var(--sd-ease);
}

.page-faq .faq-item__sign::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  width: 2px;
  height: 14px;
}

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

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--sd-violet);
}

.page-faq .faq-item__a {
  padding: 0 0 28px 34px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--sd-ink);
}

.page-faq .faq-item__lead {
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 3px solid var(--sd-jade);
  color: var(--sd-bone);
  font-weight: 600;
  line-height: 1.72;
}

.page-faq .faq-item__a p + p {
  margin-top: 0.95em;
}

.page-faq .faq-item__a a {
  color: var(--sd-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(123, 77, 255, 0.65);
}

.page-faq .faq-item__a a:hover {
  color: var(--sd-violet);
  border-bottom-color: var(--sd-violet);
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 30px 0 6px;
  display: grid;
  gap: 12px;
  border: 1px solid var(--sd-line-soft);
  border-radius: var(--sd-radius-lg);
  padding: 16px;
  background: linear-gradient(180deg, rgba(22, 24, 33, 0.7), rgba(11, 11, 16, 0.5));
}

.page-faq .faq-figure__media {
  border-radius: var(--sd-radius);
  overflow: hidden;
  background: var(--sd-rock);
}

.page-faq .faq-figure__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  opacity: 0.92;
}

.page-faq .faq-figure__cap {
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--sd-ash);
}

/* ---------- 移动端优先：小屏 ---------- */
@media (max-width: 560px) {
  .page-faq .faq-hero__art {
    clip-path: none;
  }

  .page-faq .faq-item__a {
    padding-left: 0;
  }

  .page-faq .faq-figure {
    padding: 12px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-layout {
    gap: 18px;
  }

  .page-faq .faq-figure {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    align-items: center;
    padding: 18px;
    gap: 20px;
  }

  .page-faq .faq-figure__media img {
    aspect-ratio: 3 / 4;
  }
}

/* ---------- 桌面：左右双栏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 46px 0 72px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.78fr);
    gap: 60px;
    align-items: center;
  }

  .page-faq .faq-hero__art img {
    aspect-ratio: 5 / 6;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 62px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--sd-header-h) + 28px);
    align-self: start;
  }

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

  .page-faq .faq-group {
    padding-top: 54px;
  }

  .page-faq .faq-group:first-child {
    padding-top: 8px;
  }

  .page-faq .faq-item__q {
    font-size: 1.08rem;
  }

  .page-faq .faq-item > summary {
    padding: 24px 6px;
  }

  .page-faq .faq-item__a {
    max-width: 68ch;
  }

  .page-faq .faq-figure {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: 24px;
    margin: 34px 0 10px;
  }
}

/* ---------- 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__item a,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>