.page-faq {
  --faq-line: 2px solid var(--line);
  --faq-index-w: 268px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 36px) 0 52px;
  background:
    radial-gradient(120% 100% at 86% 0%, rgba(108, 70, 168, .40), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(47, 227, 168, .10), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--panel-3) 100%);
  border-bottom: var(--faq-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(147, 168, 160, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 168, 160, .07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .75), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .75), transparent 78%);
  pointer-events: none;
}

.page-faq .faq-hero__shell {
  position: relative;
  display: grid;
  gap: 28px;
  align-items: end;
}

.page-faq .breadcrumbs ol {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin: 0 8px 0 2px;
  color: var(--line);
}

.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .breadcrumbs a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--amber);
}

.page-faq .faq-hero .eyebrow {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 54px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.06;
  color: var(--text);
}

.page-faq .faq-hero .lead {
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: var(--faq-line);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

/* ---------- 答疑看板 ---------- */
.page-faq .faq-board {
  padding: 48px 0 64px;
}

.page-faq .faq-board__shell {
  display: grid;
  gap: 22px;
  align-items: start;
}

.page-faq .faq-index {
  border: var(--faq-line);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  padding: 16px 14px 14px;
}

.page-faq .faq-index__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-faq .faq-index__head .mono {
  color: var(--amber);
}

.page-faq .faq-index__head::after {
  content: "";
  flex: 1;
  height: 2px;
  background: var(--line);
}

.page-faq .faq-index__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index__tab {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 12px 12px 10px;
  background: transparent;
  border: 0;
  border-left: 3px solid var(--line);
  color: var(--muted);
  font-family: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: background-color .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-index__tab:hover {
  background: var(--panel-2);
  color: var(--text);
  border-left-color: var(--violet);
}

.page-faq .faq-index__tab[aria-selected="true"] {
  background: var(--panel-2);
  color: var(--text);
  border-left-color: var(--neon);
}

.page-faq .faq-index__tab[aria-selected="true"] .faq-index__no {
  color: var(--neon);
}

.page-faq .faq-index__tab[aria-selected="true"] .faq-index__count {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
}

.page-faq .faq-index__tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .faq-index__no {
  flex: none;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-faq .faq-index__label {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-index__count {
  flex: none;
  font-size: 11px;
  padding: 1px 6px;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: background-color .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-index__hint {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

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

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

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: var(--faq-line);
}

.page-faq .faq-group__no {
  flex: none;
  padding: 3px 7px;
  background: var(--amber);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 3.6vw, 28px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--text);
}

.page-faq .faq-group__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
  border: var(--faq-line);
  background: var(--panel-3);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border: var(--faq-line);
  background: var(--panel);
  margin: 0 0 12px;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
}

.page-faq .faq-item[open] {
  border-color: var(--neon);
  box-shadow: var(--shadow-sm);
  transform: none;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

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

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -4px;
}

.page-faq .faq-item__no {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

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

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

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--neon);
  transition: transform .24s var(--ease), background-color .22s var(--ease);
}

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

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

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

.page-faq .faq-item__a {
  padding: 14px 16px 18px;
  border-top: 2px dashed var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a a,
.page-faq .faq-help a:not(.btn) {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-help a:not(.btn):hover {
  color: var(--amber);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  display: grid;
  place-items: center;
  height: 22px;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
}

/* ---------- 格式表格 ---------- */
.page-faq .faq-table__wrap {
  overflow-x: auto;
  margin: 16px 0 4px;
  border: var(--faq-line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 440px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 2px solid var(--line);
  line-height: 1.65;
}

.page-faq .faq-table tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table th {
  background: var(--panel-2);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  white-space: nowrap;
}

.page-faq .faq-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--neon);
  white-space: nowrap;
}

/* ---------- 结尾求助 ---------- */
.page-faq .faq-help {
  padding: 56px 0 72px;
}

.page-faq .faq-help__panel {
  display: grid;
  gap: 24px;
  padding: 26px 22px;
  border: var(--faq-line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-faq .faq-help__body .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-faq .faq-help h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.8vw, 30px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.22;
  color: var(--text);
}

.page-faq .faq-help p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 9px;
  height: 9px;
  background: var(--amber);
}

.page-faq .faq-help__note {
  font-size: 13px !important;
  line-height: 1.75 !important;
  color: var(--muted);
}

.page-faq .faq-help__body .btn {
  margin-top: 20px;
}

.page-faq .faq-help__contact {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 18px 16px;
  border: 2px solid var(--line);
  background: var(--panel-2);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 5px;
}

.page-faq .faq-help__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-faq .faq-help__value {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-help__value--mono {
  font-family: var(--font-mono);
  letter-spacing: .01em;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 52px) 0 68px;
  }

  .page-faq .faq-hero__shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: 44px;
  }

  .page-faq .faq-board {
    padding: 64px 0 80px;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 34px;
    padding: 34px 32px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-board__shell {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 30px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 14px);
  }

  .page-faq .faq-item__q {
    padding: 17px 20px;
  }

  .page-faq .faq-item__a {
    padding: 16px 20px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-index__tab {
    transition: none;
  }

  .page-faq .faq-item:hover {
    transform: none;
  }
}