/* ============ 支持中心 · 页面专属样式 ============ */

.page-faq {
  background: var(--ink);
  color: var(--star);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 48px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(120% 92% at 84% -12%, rgba(123, 92, 255, 0.30), transparent 62%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  border-bottom: var(--bd) solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 58, 107, 0.5) 0 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 58, 107, 0.5) 0 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--star);
}

.page-faq .faq-hero__title em {
  display: block;
  font-style: normal;
  color: var(--gold);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--bd) solid var(--line);
  border-left: var(--bd) solid var(--line);
  align-self: end;
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  border-right: var(--bd) solid var(--line);
  border-bottom: var(--bd) solid var(--line);
}

.page-faq .faq-hero__stats .stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-faq .faq-hero__stats .stat-label {
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 五类索引 ---------- */

.page-faq .faq-index {
  padding: clamp(46px, 7vw, 88px) 0 clamp(40px, 6vw, 68px);
  background: var(--ink);
  border-bottom: var(--bd) solid var(--line);
}

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-index__art {
  margin: 0;
  border: var(--bd) solid var(--line);
  background: var(--ink-2);
  box-shadow: 10px 10px 0 0 rgba(42, 58, 107, 0.55);
}

.page-faq .faq-index__art img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-faq .faq-index__panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-faq .faq-index__scale {
  position: relative;
  height: 10px;
  border-top: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    90deg,
    var(--line) 0 1px,
    transparent 1px 16px
  );
  background-size: 100% 55%;
  background-repeat: no-repeat;
  margin-bottom: 24px;
}

.page-faq .faq-index__scale::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 68px;
  height: 3px;
  background: var(--gold);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__item a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  grid-template-areas:
    "idx name count"
    "idx desc count";
  align-items: center;
  gap: 2px 14px;
  padding: 15px 6px 15px 13px;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--star);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-index__item a:hover,
.page-faq .faq-index__item a:focus-visible {
  border-left-color: var(--gold);
  background: var(--ink-2);
}

.page-faq .faq-index__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-faq .faq-index__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-index__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-index__count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
  color: var(--muted);
}

@media (min-width: 880px) {
  .page-faq .faq-index__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }
}

/* ---------- 分类问答 ---------- */

.page-faq .faq-cat {
  padding: clamp(44px, 6vw, 78px) 0 clamp(26px, 4vw, 42px);
  background: var(--ink);
  border-bottom: var(--bd) solid var(--line);
  scroll-margin-top: 120px;
}

.page-faq .faq-cat__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding-top: 16px;
  margin-bottom: clamp(18px, 3vw, 30px);
  border-top: 3px solid var(--cat, var(--gold));
}

.page-faq .faq-cat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cat, var(--gold));
}

.page-faq .faq-cat__title {
  margin: 2px 0 0;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-faq .faq-cat__meta {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .faq-cat__list {
  border-bottom: 1px solid var(--line);
}

/* 折叠面板 */

.page-faq .qa {
  border-top: 1px solid var(--line);
  border-left: 3px solid transparent;
  background: transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .qa[open] {
  border-left-color: var(--cat, var(--gold));
  background: var(--ink-2);
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 20px;
  align-items: start;
  gap: 0 14px;
  padding: 17px 16px 17px 13px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  line-height: 1.6;
  color: var(--star);
}

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

.page-faq .qa > summary::marker {
  content: "";
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: 0.05em;
  color: var(--cat, var(--gold));
}

.page-faq .qa__q {
  font-weight: 600;
}

.page-faq .qa__mark {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  justify-self: end;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--cat, var(--gold));
  transition: transform 0.2s ease;
}

.page-faq .qa__mark::before {
  left: 0;
  top: 9px;
  width: 20px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 9px;
  top: 0;
  width: 2px;
  height: 20px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
}

.page-faq .qa__body {
  padding: 0 20px 22px 61px;
  animation: faq-unfold 0.22s ease-out;
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--star);
}

.page-faq .qa__body .kw {
  color: var(--muted);
}

.page-faq .qa__body a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes faq-unfold {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 560px) {
  .page-faq .qa > summary {
    grid-template-columns: 26px minmax(0, 1fr) 18px;
    gap: 0 10px;
    padding: 15px 12px 15px 11px;
    font-size: 15.5px;
  }

  .page-faq .qa__body {
    padding: 0 14px 20px 47px;
  }

  .page-faq .qa__body p {
    font-size: 15px;
  }
}

/* ---------- 中段说明 ---------- */

.page-faq .faq-structure {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--ink-2);
  border-bottom: var(--bd) solid var(--line);
}

.page-faq .faq-structure__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-structure__visual {
  margin: 0;
  border: var(--bd) solid var(--line);
  background: var(--ink);
  box-shadow: 10px 10px 0 0 rgba(123, 92, 255, 0.28);
}

.page-faq .faq-structure__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-faq .faq-structure__text h2 {
  margin: 10px 0 14px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-faq .faq-structure__text p {
  margin: 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

@media (min-width: 880px) {
  .page-faq .faq-structure__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(32px, 4vw, 60px);
  }
}

/* ---------- 人工支持 ---------- */

.page-faq .faq-human {
  padding: clamp(48px, 7vw, 88px) 0 clamp(56px, 8vw, 100px);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-faq .faq-human__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-human__title {
  margin: 10px 0 20px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-faq .faq-human__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-human__list li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--star);
}

.page-faq .faq-human__list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 21px;
  width: 7px;
  height: 7px;
  background: var(--gold);
}

.page-faq .faq-human__note {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-human__contact {
  padding: 22px 20px;
  border: var(--bd) solid var(--line);
  background: var(--ink);
  box-shadow: 8px 8px 0 0 rgba(42, 58, 107, 0.6);
}

.page-faq .faq-human__contact dl {
  margin: 0;
}

.page-faq .faq-human__contact dt {
  margin: 16px 0 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-human__contact dt:first-child {
  margin-top: 0;
}

.page-faq .faq-human__contact dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--star);
  overflow-wrap: break-word;
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-faq .faq-human__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__body {
    animation: none;
  }

  .page-faq .qa,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa .qa__mark,
  .page-faq .faq-index__item a {
    transition: none;
  }
}
<<<END>>>

.page-faq {
  --cat: transparent;
}