.page-faq {
  --faq-gap: clamp(16px, 3vw, 28px);
  background:
    radial-gradient(820px 480px at 92% -8%, rgba(140, 124, 255, .20), transparent 64%),
    radial-gradient(620px 420px at 0% 12%, rgba(57, 230, 208, .09), transparent 62%),
    var(--bg-0);
  color: var(--fg);
  padding-bottom: clamp(40px, 7vw, 88px);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
  padding-block: clamp(16px, 3.5vw, 40px) clamp(10px, 2vw, 20px);
}

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

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: .32em 0 0;
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: 1.1em 0 0;
  max-width: 40em;
  color: var(--fg-dim);
  font-size: clamp(.96rem, 2.2vw, 1.06rem);
  line-height: 1.78;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(17, 26, 58, .78);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(57, 230, 208, .16);
}

.page-faq .faq-search__icon {
  flex: 0 0 auto;
  color: var(--c-cyan);
}

.page-faq .faq-search input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: none;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: .98rem;
  line-height: 1.5;
  outline: none;
  padding: 2px 0;
}

.page-faq .faq-search input::placeholder {
  color: var(--fg-mute);
}

.page-faq .faq-search__badge {
  flex: 0 0 auto;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-gold);
  border: 1px solid rgba(242, 184, 75, .42);
  border-radius: 999px;
  padding: 2px 9px;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-quick a {
  display: inline-block;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--fg-dim);
  font-size: .84rem;
  text-decoration: none;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

/* 客服灯牌卡 */
.page-faq .faq-helpdesk {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--r-xl);
  border: 1px solid rgba(242, 184, 75, .55);
  background:
    radial-gradient(320px 200px at 90% 0%, rgba(242, 184, 75, .22), transparent 70%),
    linear-gradient(165deg, rgba(242, 184, 75, .10), rgba(17, 26, 58, .94) 44%);
  box-shadow: 0 28px 64px -34px rgba(242, 184, 75, .58);
}

.page-faq .faq-helpdesk__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--c-coral);
}

.page-faq .faq-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 94, .18);
}

.page-faq .faq-helpdesk__title {
  margin: .5em 0 .4em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  letter-spacing: -.01em;
}

.page-faq .faq-helpdesk__text {
  margin: 0 0 16px;
  color: var(--fg-dim);
  font-size: .94rem;
  line-height: 1.75;
}

.page-faq .faq-shot {
  border-radius: var(--r-md);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(140, 124, 255, .22), rgba(57, 230, 208, .10));
}

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

.page-faq .faq-shot--desk {
  aspect-ratio: 3 / 2;
  margin-bottom: 16px;
}

.page-faq .faq-shot--wide {
  aspect-ratio: 10 / 7;
}

/* ---------- 工作区 ---------- */
.page-faq .faq-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(26px, 5vw, 56px);
}

.page-faq .faq-side {
  min-width: 0;
  padding: 14px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(17, 26, 58, .62);
}

.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--fg-mute);
  text-transform: uppercase;
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  white-space: nowrap;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  color: var(--fg-dim);
  font-size: .9rem;
  text-decoration: none;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--fg);
  border-color: var(--line-strong);
  background: rgba(57, 230, 208, .08);
}

.page-faq .faq-side__link[aria-current="true"] {
  color: var(--fg);
  background: rgba(57, 230, 208, .12);
  border-color: rgba(57, 230, 208, .42);
}

.page-faq .faq-side__num {
  font-size: .72rem;
  color: var(--c-cyan);
  letter-spacing: .06em;
}

.page-faq .faq-side__foot {
  display: none;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-side__foot p {
  margin: 0 0 4px;
  font-size: .8rem;
  color: var(--fg-mute);
}

.page-faq .faq-side__foot a {
  color: var(--c-gold);
  font-size: .88rem;
  text-decoration: none;
}

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

/* ---------- 内容流 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-block {
  padding-block: clamp(22px, 4vw, 36px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-block__no {
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--c-cyan);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  line-height: 1.24;
  letter-spacing: -.01em;
}

.page-faq .faq-block__lead {
  margin: 12px 0 0;
  max-width: 44em;
  color: var(--fg-dim);
  font-size: .98rem;
  line-height: 1.78;
}

.page-faq .faq-block__tail {
  margin: 16px 0 0;
  max-width: 44em;
  color: var(--fg-dim);
  font-size: .95rem;
  line-height: 1.78;
}

.page-faq .faq-block__tail a,
.page-faq .faq-acc__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 230, 208, .38);
}

.page-faq .faq-block__tail a:hover,
.page-faq .faq-acc__body a:hover {
  border-bottom-color: var(--c-cyan);
}

/* 三步路径 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-step {
  position: relative;
  padding: 16px 18px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(17, 26, 58, .96), rgba(11, 16, 38, .9));
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-step__no {
  display: inline-block;
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--c-violet);
  margin-bottom: 8px;
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--fg);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.74;
  color: var(--fg-dim);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--fg-mute);
}

/* 路径列表 */
.page-faq .faq-paths {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-paths li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 13px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: rgba(11, 16, 38, .72);
}

.page-faq .faq-paths__k {
  font-size: .92rem;
  color: var(--fg);
}

.page-faq .faq-paths__v {
  font-size: .84rem;
  color: var(--c-cyan);
  letter-spacing: .04em;
  overflow-wrap: anywhere;
}

/* 事实条 */
.page-faq .faq-facts {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-facts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  border-left: 2px solid rgba(242, 184, 75, .6);
  background: rgba(17, 26, 58, .6);
  font-size: .92rem;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-faq .faq-facts__num {
  font-size: .95rem;
  color: var(--c-gold);
  letter-spacing: .04em;
  white-space: nowrap;
}

/* 普通列表 */
.page-faq .faq-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-list li {
  position: relative;
  padding: 0 0 0 20px;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--fg-dim);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--c-mint);
  opacity: .85;
}

/* 六类问答 */
.page-faq .faq-cats {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-cat {
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(140, 124, 255, .10), rgba(17, 26, 58, .82));
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-cat:hover {
  border-color: rgba(57, 230, 208, .42);
  background: linear-gradient(150deg, rgba(57, 230, 208, .12), rgba(17, 26, 58, .9));
}

.page-faq .faq-cat__no {
  display: block;
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--c-cyan);
  margin-bottom: 6px;
}

.page-faq .faq-cat h3 {
  margin: 0 0 4px;
  font-size: .98rem;
  font-weight: 700;
  color: var(--fg);
}

.page-faq .faq-cat p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--fg-mute);
}

/* 手风琴 */
.page-faq .faq-accs {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-acc {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(17, 26, 58, .58);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-acc[open] {
  border-color: rgba(57, 230, 208, .42);
  background: rgba(17, 26, 58, .84);
}

.page-faq .faq-acc summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 17px;
  cursor: pointer;
  list-style: none;
  font-size: .96rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--fg);
}

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

.page-faq .faq-acc summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--c-cyan);
  transition: color .18s var(--ease);
}

.page-faq .faq-acc[open] summary::after {
  content: "−";
  color: var(--c-gold);
}

.page-faq .faq-acc summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-faq .faq-acc__body {
  padding: 0 17px 16px;
}

.page-faq .faq-acc__body p {
  margin: 0;
  padding-top: 2px;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--fg-dim);
  border-top: 1px dashed var(--line-soft);
  padding-top: 12px;
}

.page-faq .mono {
  font-family: var(--font-mono);
  color: var(--c-cyan);
  font-size: .88em;
  letter-spacing: .02em;
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    position: relative;
  }

  .page-faq .faq-steps::before {
    content: "";
    position: absolute;
    top: 34px;
    left: 9%;
    right: 9%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-cyan) 20%, var(--c-violet) 80%, transparent);
    opacity: .45;
    z-index: 0;
    pointer-events: none;
  }

  .page-faq .faq-step {
    z-index: 1;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1020px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-workbench {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 28px;
    padding: 18px 16px;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
  }

  .page-faq .faq-side__link {
    white-space: normal;
    border-radius: var(--r-sm);
    border-left: 2px solid transparent;
    padding: 10px 12px;
  }

  .page-faq .faq-side__link[aria-current="true"] {
    border-left-color: var(--c-cyan);
  }

  .page-faq .faq-side__foot {
    display: block;
  }

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

  .page-faq .faq-block {
    padding-block: clamp(28px, 3.4vw, 44px);
  }
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-cat,
  .page-faq .faq-acc,
  .page-faq .faq-side__link,
  .page-faq .faq-quick a {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}
<<<END>>>