.page-faq {
  --faq-nav-w: 208px;
  --faq-link: #9E2F20;
  --faq-card-gap: 12px;
  position: relative;
  padding-bottom: clamp(48px, 7vw, 92px);
  background:
    radial-gradient(760px 420px at 88% -4%, rgba(47, 227, 210, .13), transparent 60%),
    radial-gradient(620px 380px at 2% 14%, rgba(255, 106, 43, .09), transparent 58%),
    var(--ink);
  color: var(--cream);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
  margin-top: clamp(14px, 2.4vw, 24px);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-faq .faq-hero__title {
  margin: 10px 0 18px;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.1;
  letter-spacing: .015em;
  font-weight: 900;
  color: var(--cream);
}

.page-faq .faq-hero__title .hl {
  color: var(--cyan);
  font-style: normal;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--haze);
}

.page-faq .faq-hero__media {
  margin: 0;
}

.page-faq .faq-hero__media .media__frame {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.page-faq .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  margin: clamp(28px, 4.5vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 780px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-step {
  background: var(--ink-2);
  padding: 22px clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-step:first-child {
  background: linear-gradient(150deg, rgba(255, 106, 43, .18), rgba(22, 32, 76, .96) 62%);
  box-shadow: inset 0 0 0 1px rgba(255, 106, 43, .55);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-faq .faq-step:first-child .faq-step__num {
  color: var(--orange);
}

.page-faq .faq-step__title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 6px;
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--haze);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  margin-top: clamp(36px, 6vw, 72px);
  display: grid;
  gap: clamp(22px, 3vw, 44px);
}

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

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-nav-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }
}

/* ---------- 左侧分类导航 ---------- */
.page-faq .faq-nav__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--haze);
}

.page-faq .faq-nav__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-nav__link {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  font-size: 13.5px;
  color: var(--haze);
  text-decoration: none;
  transition: color var(--fast), border-color var(--fast), background var(--fast);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(47, 227, 210, .5);
  background: rgba(47, 227, 210, .07);
}

@media (min-width: 980px) {
  .page-faq .faq-nav {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-nav__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line-strong);
  }

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

  .page-faq .faq-nav__link {
    position: relative;
    display: block;
    white-space: normal;
    padding: 9px 10px 9px 20px;
    border: 0;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.5;
  }

  .page-faq .faq-nav__link::before {
    content: "";
    position: absolute;
    left: -4.5px;
    top: 50%;
    width: 8px;
    height: 8px;
    margin-top: -4px;
    border-radius: 50%;
    background: var(--ink);
    box-shadow: inset 0 0 0 1px var(--line-strong);
    transition: background var(--fast), box-shadow var(--fast);
  }

  .page-faq .faq-nav__link:hover::before,
  .page-faq .faq-nav__link:focus-visible::before,
  .page-faq .faq-nav__link[aria-current]::before {
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(47, 227, 210, .16);
  }

  .page-faq .faq-nav__link[aria-current] {
    color: var(--cream);
  }
}

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

.page-faq .faq-flow > .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.25;
  color: var(--cream);
}

.page-faq .faq-group__title::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 12px;
  vertical-align: middle;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 问答卡片 ---------- */
.page-faq .faq-q {
  background: var(--cream);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--faq-card-gap);
  box-shadow: 0 18px 40px -32px rgba(0, 0, 0, .95);
}

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

.page-faq .faq-q__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  transition: background var(--fast);
}

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

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

.page-faq .faq-q__summary:hover {
  background: rgba(224, 207, 175, .34);
}

.page-faq .faq-q__summary:focus-visible {
  outline: 2px solid var(--faq-link);
  outline-offset: -3px;
}

.page-faq .faq-q__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: rgba(27, 20, 9, .42);
  padding-top: 4px;
}

.page-faq .faq-q__text {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.62;
  color: var(--brown);
}

.page-faq .faq-q__sign {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: rgba(27, 20, 9, .55);
  border-radius: 2px;
  transition: transform var(--fast), opacity var(--fast), background var(--fast);
}

.page-faq .faq-q__sign::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .faq-q__sign::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .faq-q[open] .faq-q__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-q[open] .faq-q__sign::before {
  background: var(--faq-link);
}

.page-faq .faq-q__body {
  padding: 16px 20px 20px;
  border-top: 1px solid rgba(224, 207, 175, .9);
  font-size: 14.8px;
  line-height: 1.88;
  color: rgba(27, 20, 9, .84);
}

.page-faq .faq-q__body p {
  margin: 0 0 10px;
  max-width: 46em;
}

.page-faq .faq-q__body p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-q__next {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--faq-link);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: gap var(--fast), color var(--fast);
}

.page-faq .faq-q__next::after {
  content: "\2192";
  font-family: var(--font-mono);
}

.page-faq .faq-q__next:hover {
  gap: 11px;
}

/* ---------- 导出示意 ---------- */
.page-faq .faq-export-media {
  margin: 0 0 18px;
}

.page-faq .faq-export-media .media__frame {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(40px, 6vw, 74px);
  scroll-margin-top: 96px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-contact__item {
  background: rgba(11, 18, 48, .6);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--haze);
}

.page-faq .faq-contact__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-contact__v--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .02em;
}

.page-faq .faq-contact__note {
  margin: 0 0 18px;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--haze);
}

/* ---------- 进入视口 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-faq [data-reveal] {
    animation: faqRise .5s cubic-bezier(.2, .7, .3, 1) both;
  }
}

@keyframes faqRise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal],
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-q__next {
    animation: none;
    transition: none;
  }
}
<<<END>>>