.page-faq {
  --faq-soft: rgba(244, 247, 251, .72);
  --faq-line: rgba(11, 42, 74, .12);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: .08em;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(36px, 6vw, 76px)) 0 clamp(48px, 7vw, 86px);
  background:
    radial-gradient(120% 92% at 88% 6%, rgba(47, 212, 180, .22), transparent 58%),
    radial-gradient(94% 74% at 2% 100%, rgba(255, 106, 26, .20), transparent 62%),
    linear-gradient(160deg, var(--deep) 0%, var(--blue) 64%, var(--blue-mid) 100%);
  color: var(--white);
}

.page-faq .faq-hero__glow {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 212, 180, .34), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  position: relative;
  color: var(--faq-soft);
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--mint-mist);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: 34px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  color: var(--mint);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -.01em;
  max-width: 18em;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-hero__stats > div {
  padding-left: 13px;
  border-left: 2px solid var(--orange);
}

.page-faq .faq-hero__stats dt {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.page-faq .faq-hero__stats dd {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--faq-soft);
}

/* ---------- 分类入口 ---------- */

.page-faq .faq-cats {
  padding: clamp(46px, 6.5vw, 88px) 0 clamp(38px, 5vw, 64px);
}

.page-faq .faq-cats__figure {
  margin: 0 0 clamp(30px, 4vw, 48px);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--blue);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-cats__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 400;
  object-fit: cover;
}

.page-faq .faq-cats__head h2 {
  margin: 14px 0 12px;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 900;
}

.page-faq .faq-cats__head p {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-cats__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 42px);
}

.page-faq .faq-cat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 24px 22px 22px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: var(--white);
  box-shadow: var(--shadow-1);
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-cat::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--orange-soft));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: rgba(255, 106, 26, .42);
}

.page-faq .faq-cat:hover::after,
.page-faq .faq-cat:focus-visible::after {
  transform: scaleX(1);
}

.page-faq .faq-cat__num {
  font-size: 12px;
  color: var(--mint);
  font-weight: 700;
}

.page-faq .faq-cat h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 700;
}

.page-faq .faq-cat p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-cat__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-bright);
}

.page-faq .faq-cat:hover .faq-cat__go {
  color: var(--orange);
}

/* ---------- 问答主体 ---------- */

.page-faq .faq-body {
  padding: clamp(34px, 5vw, 60px) 0 clamp(46px, 6vw, 78px);
}

.page-faq .faq-layout {
  display: grid;
  gap: 42px;
}

.page-faq .faq-block {
  scroll-margin-top: calc(var(--header-h) + 30px);
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(40px, 5vw, 64px);
}

.page-faq .faq-block h2 {
  margin: 12px 0 22px;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.28;
  font-weight: 900;
}

.page-faq .faq-inline-figure {
  margin: 0 0 24px;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--blue-mid);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-inline-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 380;
  object-fit: cover;
}

/* 问答条目 */

.page-faq .qa-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: var(--white);
  overflow: hidden;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .qa-item + .qa-item {
  margin-top: 12px;
}

.page-faq .qa-item:hover,
.page-faq .qa-item:focus-within {
  border-color: rgba(47, 212, 180, .55);
  box-shadow: var(--shadow-1);
}

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

.page-faq .qa-item__trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 20px 22px;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  transition: color .16s var(--ease);
}

.page-faq .qa-item__trigger::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--blue-mid);
  transition: background .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .qa-item__trigger:hover {
  color: var(--blue-bright);
}

.page-faq .qa-item__trigger:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -3px;
}

.page-faq .qa-item.is-active .qa-item__trigger::before,
.page-faq .qa-item[data-open] .qa-item__trigger::before,
.page-faq .qa-item__trigger[aria-expanded="true"]::before {
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(47, 212, 180, .2);
}

.page-faq .qa-item__panel {
  padding: 0 22px 22px 46px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--slate);
}

.page-faq .qa-item__panel p {
  margin: 0 0 10px;
  max-width: 38em;
}

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

/* ---------- 右侧索引 ---------- */

.page-faq .faq-index {
  padding: 22px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: var(--white);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--slate);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index__list li + li {
  margin-top: 2px;
}

.page-faq .faq-index__list a {
  display: block;
  padding: 9px 12px 9px 14px;
  border-left: 2px solid rgba(11, 42, 74, .14);
  font-size: 14px;
  line-height: 1.5;
  color: var(--slate);
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--orange);
  background: rgba(255, 106, 26, .06);
  color: var(--ink);
}

.page-faq .faq-index__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-index__foot p {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible {
  background: var(--orange-soft);
  color: var(--deep);
  transform: translateY(-2px);
}

/* ---------- 通用排查 ---------- */

.page-faq .faq-diagnose {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 6.5vw, 92px) 0;
  background:
    radial-gradient(90% 80% at 92% 4%, rgba(47, 212, 180, .18), transparent 60%),
    linear-gradient(152deg, var(--deep) 0%, var(--blue) 70%, var(--blue-mid) 100%);
  color: var(--white);
}

.page-faq .faq-diagnose h2 {
  margin: 14px 0 14px;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.22;
  font-weight: 900;
}

.page-faq .faq-diagnose__lede {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-diagnose__list {
  list-style: none;
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  display: flex;
  gap: 16px;
  padding: 26px 24px;
  border: 1px solid rgba(168, 233, 220, .24);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, .06);
}

.page-faq .faq-step__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--mint);
  border-radius: 50%;
  color: var(--mint);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-step__body h3 {
  margin: 4px 0 8px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--faq-soft);
}

/* ---------- 人工支持 ---------- */

.page-faq .faq-help {
  padding: clamp(44px, 6vw, 78px) 0 clamp(52px, 7vw, 92px);
}

.page-faq .faq-help__card {
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--faq-line);
  border-left: 5px solid var(--orange);
  border-radius: var(--radius-m);
  background: var(--white);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-help__card h2 {
  margin: 14px 0 14px;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.24;
  font-weight: 900;
}

.page-faq .faq-help__card > p {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-help__contacts {
  list-style: none;
  margin: clamp(24px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__contacts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(11, 42, 74, .16);
}

.page-faq .faq-help__k {
  flex: none;
  min-width: 78px;
  font-size: 12px;
  color: var(--mint);
  font-weight: 700;
}

.page-faq .faq-help__v {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
}

a.page-faq .faq-help__v:hover,
.page-faq .faq-help__v:hover {
  color: var(--orange);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 32px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-hero__stats {
    gap: 20px;
  }

  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-faq .faq-cat {
    grid-column: span 4;
  }

  .page-faq .faq-cat--wide {
    grid-column: span 7;
  }

  .page-faq .faq-cat--narrow {
    grid-column: span 5;
  }

  .page-faq .faq-diagnose__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-step {
    flex-direction: column;
    gap: 14px;
  }

  .page-faq .qa-item__trigger {
    padding: 22px 26px;
    font-size: 17px;
  }

  .page-faq .qa-item__panel {
    padding: 0 26px 24px 50px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: end;
    gap: 56px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .page-faq .faq-hero__stats > div {
    padding-left: 16px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (max-width: 480px) {
  .page-faq .faq-cat {
    padding: 20px 18px 18px;
  }

  .page-faq .qa-item__panel {
    padding-left: 24px;
    padding-right: 18px;
  }

  .page-faq .faq-help__contacts li {
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-cta,
  .page-faq .qa-item,
  .page-faq .qa-item__trigger::before {
    transition: none;
  }

  .page-faq .faq-cat:hover,
  .page-faq .faq-cta:hover {
    transform: none;
  }
}
<<<END>>>