.page-faq {
  --faq-panel: rgba(13, 34, 56, .58);
  --faq-panel-strong: rgba(13, 34, 56, .9);
  color: var(--text);
  background: var(--void);
  overflow-x: hidden;
}

.page-faq a {
  color: var(--comet);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 192, .35);
}

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

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--comet);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 1.4rem 0 2rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 95% at 6% -25%, rgba(53, 214, 192, .18), transparent 58%),
    radial-gradient(95% 85% at 94% -18%, rgba(255, 107, 44, .2), transparent 62%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.4rem;
  margin-top: 1.1rem;
}

.page-faq .faq-title {
  margin: .5rem 0 .8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 5.4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-lede {
  max-width: 42rem;
  margin: 0;
  color: var(--text-dim);
  font-family: var(--font-serif);
  font-size: clamp(.95rem, 2.4vw, 1.06rem);
  line-height: 1.85;
}

.page-faq .faq-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-faq .faq-facts__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  align-items: center;
  gap: .7rem;
  padding: .65rem .85rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--flame);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
}

.page-faq .faq-facts__num {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  color: var(--laser);
  text-align: center;
}

.page-faq .faq-facts__text {
  font-size: .86rem;
  line-height: 1.55;
  color: var(--text-dim);
}

/* ---------- 检索提示 ---------- */
.page-faq .faq-find {
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 4vw, 1.6rem);
  letter-spacing: -.005em;
  color: var(--text);
}

.page-faq .faq-find__grid {
  display: grid;
  gap: .7rem;
  margin-top: .95rem;
}

.page-faq .faq-find__card {
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(53, 214, 192, .1), var(--faq-panel) 70%);
  transition: border-color .18s ease, transform .18s ease;
}

.page-faq .faq-find__card:hover {
  border-color: rgba(53, 214, 192, .55);
  transform: translateY(-2px);
}

.page-faq .faq-find__k {
  margin: 0 0 .35rem;
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--comet);
}

.page-faq .faq-find__card p:last-child {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-note {
  margin: 1rem 0 0;
  padding: .15rem 0 .15rem .85rem;
  border-left: 2px solid var(--comet);
  color: var(--text-dim);
  font-family: var(--font-serif);
  font-size: .9rem;
  line-height: 1.8;
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 1.4rem;
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--faq-panel-strong), var(--faq-panel));
  padding: .85rem;
}

.page-faq .faq-toc__title {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 .15rem;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .7rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  font-size: .84rem;
  color: var(--text-dim);
  border-bottom: 1px solid transparent;
}

.page-faq .faq-toc__link .mono {
  color: var(--flame);
  font-size: .8rem;
}

.page-faq .faq-toc__link:hover {
  background: rgba(255, 107, 44, .1);
  color: var(--text);
  border-bottom-color: transparent;
}

.page-faq .faq-toc__link[aria-current="true"] {
  background: rgba(255, 107, 44, .16);
  border-color: rgba(255, 107, 44, .55);
  color: #fff;
}

.page-faq .faq-toc__foot {
  margin: .8rem 0 0;
  padding-top: .7rem;
  border-top: 1px solid var(--line);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--steel);
}

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

.page-faq .faq-sec {
  padding: 1.6rem 0 1.8rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-sec:first-of-type {
  border-top: 0;
  padding-top: .3rem;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: .65rem;
}

.page-faq .faq-sec__num {
  font-size: clamp(1.4rem, 5.5vw, 2rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--flame);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 3.9vw, 1.55rem);
  line-height: 1.3;
  color: var(--text);
}

.page-faq .faq-sec__intro {
  margin: .8rem 0 0;
  font-family: var(--font-serif);
  font-size: .95rem;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .7rem;
  padding: .8rem .9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--faq-panel);
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.page-faq .faq-steps__item:hover {
  border-color: rgba(255, 107, 44, .5);
  background: var(--faq-panel-strong);
  transform: translateY(-1px);
}

.page-faq .faq-steps__num {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 107, 44, .15);
  color: var(--flame);
  font-size: .8rem;
  font-weight: 600;
}

.page-faq .faq-steps__label {
  margin: 0 0 .25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .01em;
  color: var(--laser);
}

.page-faq .faq-steps__body p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 图 ---------- */
.page-faq .faq-sec__media {
  margin: 1.1rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--nebula);
}

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

.page-faq .media__caption {
  padding: .6rem .85rem;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 两栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 1.1rem;
  margin-top: .2rem;
}

.page-faq .faq-aside {
  padding: .9rem 1rem;
  border: 1px solid rgba(53, 214, 192, .35);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(53, 214, 192, .12), var(--faq-panel));
}

.page-faq .faq-aside__title {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--comet);
}

.page-faq .faq-aside p {
  margin: 0 0 .55rem;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--text-dim);
}

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

/* ---------- 视图对比 ---------- */
.page-faq .faq-views {
  display: grid;
  gap: .65rem;
  margin-top: 1rem;
}

.page-faq .faq-view {
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--faq-panel);
  transition: border-color .18s ease;
}

.page-faq .faq-view:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-view__tag {
  margin: 0 0 .45rem;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-faq .faq-view__title {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text);
}

.page-faq .faq-view p:last-child {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-view--focus {
  background: var(--paper);
  border-color: rgba(255, 107, 44, .6);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-view--focus .faq-view__tag {
  color: #b8431a;
}

.page-faq .faq-view--focus .faq-view__title {
  color: #0d2238;
}

.page-faq .faq-view--focus p:last-child {
  color: rgba(13, 34, 56, .8);
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: .55rem;
  margin-top: 1rem;
}

.page-faq .faq-q {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color .18s ease, background .18s ease;
}

.page-faq .faq-q[open] {
  border-color: rgba(255, 107, 44, .45);
  background: var(--faq-panel-strong);
}

.page-faq .faq-q__summary {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .8rem .9rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--text);
}

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

.page-faq .faq-q__mark {
  flex: 0 0 auto;
  font-size: .78rem;
  color: var(--flame);
  padding-top: .12rem;
}

.page-faq .faq-q__ask {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__summary::after {
  content: "＋";
  flex: 0 0 auto;
  color: var(--comet);
  font-family: var(--font-mono);
  font-size: .95rem;
  line-height: 1.4;
}

.page-faq .faq-q[open] .faq-q__summary::after {
  content: "－";
  color: var(--flame);
}

.page-faq .faq-q__answer {
  padding: 0 .9rem .9rem 2.35rem;
  border-top: 1px solid var(--line);
  margin-top: 0;
  padding-top: .7rem;
}

.page-faq .faq-q__answer p {
  margin: 0 0 .55rem;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--text-dim);
}

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

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  margin: 1.8rem 0 .5rem;
  padding: 1.2rem 1.15rem;
  border: 1px solid rgba(255, 107, 44, .38);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 150% at 0% 0%, rgba(255, 107, 44, .18), transparent 62%),
    var(--nebula);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-contact__title {
  margin: 0 0 .65rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 4vw, 1.55rem);
  color: var(--text);
}

.page-faq .faq-contact__text {
  margin: 0 0 .9rem;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .4rem;
}

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr);
  gap: .5rem;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact__list .mono {
  color: var(--steel);
  font-size: .76rem;
  letter-spacing: .08em;
}

.page-faq .faq-contact__list a {
  word-break: break-all;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-faq .faq-contact__actions .btn {
  border-bottom: 0;
}

.page-faq .faq-contact__legal {
  margin: .9rem 0 0;
  font-size: .78rem;
  color: var(--steel);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-find__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 1.8rem;
  }

  .page-faq .faq-facts {
    gap: .45rem;
  }

  .page-faq .faq-contact {
    padding: 1.5rem 1.6rem;
  }
}

/* ---------- 宽屏：左侧固定目录 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 1.8rem 0 2.6rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: 2.6rem;
    align-items: start;
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 1.25rem;
    padding: 1rem;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    overflow: visible;
    gap: .2rem;
  }

  .page-faq .faq-toc__link {
    width: 100%;
    border-bottom: 1px solid transparent;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 1.6rem;
    align-items: start;
  }

  .page-faq .faq-split--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  }

  .page-faq .faq-sec {
    padding: 2rem 0 2.2rem;
  }

  .page-faq .faq-sec__media--tall {
    margin-top: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-find__card,
  .page-faq .faq-steps__item,
  .page-faq .faq-view,
  .page-faq .faq-q {
    transition: none;
  }

  .page-faq .faq-find__card:hover,
  .page-faq .faq-steps__item:hover {
    transform: none;
  }
}
<<<END>>>