.page-faq {
  --faq-gold: #F2B84B;
  --faq-jade: #3FAE97;
  --faq-rose: #E84A7A;
  --faq-indigo: #8E82DC;
  --faq-accent: #F2B84B;
  --faq-soft: rgba(242,184,75,.13);
  display: block;
  padding-bottom: clamp(48px, 7vw, 88px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px) 0 clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  opacity: .36;
}

.page-faq .faq-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: block;
  background:
    radial-gradient(115% 95% at 10% 0%, rgba(46, 125, 111, .42), transparent 62%),
    radial-gradient(90% 80% at 92% 12%, rgba(58, 46, 110, .5), transparent 66%),
    linear-gradient(180deg, rgba(8, 24, 43, .66), rgba(11, 30, 51, .97));
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 14px;
  max-width: 880px;
}

.page-faq .faq-hero .crumbs {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-faq .faq-hero .crumbs a {
  color: var(--gold);
  text-decoration: none;
}

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

.page-faq .faq-hero__eyebrow {
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: .05em;
  font-weight: 800;
  color: var(--white);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(.98rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--text-soft);
}

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

.page-faq .faq-jump .chip {
  text-decoration: none;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
  padding-top: clamp(32px, 5.5vw, 60px);
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: linear-gradient(160deg, rgba(18, 38, 64, .78), rgba(8, 24, 43, .82));
  padding: 18px 16px 20px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-index__list {
  display: grid;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list li:nth-child(1) { --dot: var(--faq-gold); }
.page-faq .faq-index__list li:nth-child(2) { --dot: var(--faq-jade); }
.page-faq .faq-index__list li:nth-child(3) { --dot: var(--faq-rose); }
.page-faq .faq-index__list li:nth-child(4) { --dot: var(--faq-indigo); }
.page-faq .faq-index__list li:nth-child(5) { --dot: var(--gold); }

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border-radius: var(--r-s);
  border-left: 3px solid var(--dot, var(--slate));
  color: var(--text);
  font-size: .94rem;
  text-decoration: none;
  transition: background .25s var(--ease), transform .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(232, 244, 242, .08);
  color: var(--white);
  transform: translateX(3px);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--dot, var(--slate));
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-sections {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-group {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 100% at 0% 0%, var(--faq-soft), transparent 58%),
    linear-gradient(165deg, rgba(18, 38, 64, .86), rgba(8, 24, 43, .92));
  padding: clamp(20px, 3.2vw, 38px);
  scroll-margin-top: 110px;
}

.page-faq .faq-group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--faq-accent), transparent 88%);
}

.page-faq .faq-group--gold { --faq-accent: var(--faq-gold); --faq-soft: rgba(242, 184, 75, .13); }
.page-faq .faq-group--jade { --faq-accent: var(--faq-jade); --faq-soft: rgba(63, 174, 151, .16); }
.page-faq .faq-group--rose { --faq-accent: var(--faq-rose); --faq-soft: rgba(232, 74, 122, .14); }
.page-faq .faq-group--indigo { --faq-accent: var(--faq-indigo); --faq-soft: rgba(142, 130, 220, .16); }

.page-faq .faq-group__head {
  display: grid;
  gap: 9px;
  margin-bottom: 18px;
  padding-bottom: 15px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .26em;
  color: var(--faq-accent);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2.05rem);
  line-height: 1.26;
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 68ch;
  font-size: .96rem;
  line-height: 1.82;
  color: var(--text-soft);
}

/* ---------- 三步快速入门 ---------- */
.page-faq .steps {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  border: 1px solid var(--line);
  border-left: 3px solid var(--faq-accent);
  border-radius: var(--r-m);
  background: rgba(11, 30, 51, .58);
  padding: 15px 17px;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-faq .step:hover {
  transform: translateY(-3px);
  border-color: var(--faq-accent);
}

.page-faq .step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--faq-accent);
  margin-bottom: 7px;
}

.page-faq .step__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  letter-spacing: .04em;
  font-weight: 700;
  color: var(--white);
}

.page-faq .step__text {
  margin: 0 0 11px;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .step__link {
  display: inline-block;
  font-size: .86rem;
  letter-spacing: .04em;
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-faq .step__link:hover {
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 表单四类用途 ---------- */
.page-faq .form-kinds {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.page-faq .form-kind {
  border: 1px solid var(--line);
  border-top: 3px solid var(--faq-accent);
  border-radius: var(--r-m);
  background: rgba(11, 30, 51, .58);
  padding: 14px 16px;
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-faq .form-kind:hover {
  transform: translateY(-3px);
  background: rgba(18, 38, 64, .78);
}

.page-faq .form-kind__no {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--faq-accent);
}

.page-faq .form-kind__name {
  margin: 6px 0 5px;
  font-family: var(--font-head);
  font-size: .99rem;
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--white);
}

.page-faq .form-kind__desc {
  margin: 0;
  font-size: .87rem;
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 导航配图 ---------- */
.page-faq .nav-media {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .nav-media .frame {
  border-radius: var(--r-m);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-faq .nav-media .frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .nav-media .frame__tag {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
}

.page-faq .nav-media__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--text-dim);
}

/* ---------- 手风琴问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(8, 24, 43, .52);
  overflow: hidden;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--faq-accent);
  background: rgba(11, 30, 51, .86);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: .97rem;
  font-weight: 700;
  line-height: 1.62;
  letter-spacing: .02em;
  color: var(--white);
  transition: background .25s var(--ease);
}

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

.page-faq .qa__q:hover {
  background: rgba(232, 244, 242, .05);
}

.page-faq .qa__no {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--faq-accent);
}

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

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
  background: var(--faq-accent);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-faq .qa__sign::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__sign::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 16px 16px 44px;
  font-size: .93rem;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a p + p {
  margin-top: 8px;
}

/* ---------- 联系支持 ---------- */
.page-faq .support-rows {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.page-faq .support-row {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line-gold);
  border-left: 3px solid var(--faq-accent);
  border-radius: var(--r-m);
  background: linear-gradient(150deg, rgba(122, 31, 61, .34), rgba(11, 30, 51, .7));
  padding: 14px 16px;
}

.page-faq .support-row__key {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--faq-accent);
}

.page-faq .support-row__val {
  font-family: var(--font-mono);
  font-size: .96rem;
  letter-spacing: .02em;
  color: var(--white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-faq .support-row__note {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-faq .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .support-actions .btn {
  text-decoration: none;
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta {
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(115% 130% at 88% 0%, rgba(58, 46, 110, .55), transparent 62%),
    linear-gradient(150deg, rgba(18, 38, 64, .9), rgba(8, 24, 43, .94));
  padding: clamp(22px, 3.6vw, 42px);
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.6vw, 1.86rem);
  line-height: 1.3;
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-cta__text {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cta__actions .btn {
  text-decoration: none;
}

/* ---------- 细节与动效 ---------- */
.page-faq .qa__q:focus-visible,
.page-faq .faq-index__link:focus-visible,
.page-faq .step__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: var(--r-s);
}

.page-faq [data-reveal] {
  transition: opacity .62s var(--ease), transform .62s var(--ease);
}

.has-js .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
}

.has-js .page-faq [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .form-kinds {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-jump {
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .step:nth-child(2) {
    margin-top: 24px;
  }

  .page-faq .step:nth-child(3) {
    margin-top: 48px;
  }

  .page-faq .nav-media {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: center;
    gap: 20px;
  }

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

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 106px;
  }

  .page-faq .qa__q {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal],
  .has-js .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .step:hover,
  .page-faq .form-kind:hover,
  .page-faq .faq-index__link:hover {
    transform: none;
  }
}