.page-faq {
  --faq-card-bg: linear-gradient(158deg, rgba(14, 22, 48, .92), rgba(7, 12, 27, .68));
  --faq-hair: rgba(36, 48, 79, .85);
  --faq-anchor-top: calc(var(--cmdbar-h) + 28px);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist-400);
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--slate-600);
}

.page-faq .faq-crumb a {
  color: var(--mist-400);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--cyan-400);
}

.page-faq .faq-crumb [aria-current="page"] {
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-faq .help-hero {
  padding-top: clamp(20px, 3vw, 38px);
  padding-bottom: clamp(28px, 4vw, 52px);
}

.page-faq .help-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .help-hero__copy .eyebrow {
  color: var(--cyan-400);
  letter-spacing: .18em;
}

.page-faq .help-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 5.6vw, 62px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--mist-100);
  max-width: 15ch;
}

.page-faq .help-hero .lead {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--mist-400);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .help-hero__hot {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--mist-400);
  font-family: var(--font-mono);
  letter-spacing: .03em;
}

.page-faq .help-hero__hot a {
  display: inline-block;
  margin: 0 4px 6px 0;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--slate-600);
  color: var(--mist-100);
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-faq .help-hero__hot a:hover,
.page-faq .help-hero__hot a:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  background: rgba(41, 224, 214, .08);
}

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

.page-faq .help-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

/* ---------- 检索带 ---------- */
.page-faq .searchband {
  position: relative;
  margin-top: 26px;
  padding: 18px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 160% at 12% 0%, rgba(41, 224, 214, .16), transparent 62%),
    linear-gradient(140deg, rgba(162, 107, 255, .10), rgba(7, 12, 27, .5));
  overflow: hidden;
}

.page-faq .searchband::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% 40%;
  height: 160px;
  background: linear-gradient(90deg, transparent, rgba(162, 107, 255, .22), transparent);
  transform: rotate(calc(var(--slant)));
  pointer-events: none;
}

.page-faq .searchband__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-faq .searchband__input {
  position: relative;
  z-index: 1;
  width: 100%;
  box-sizing: border-box;
  padding: 14px 20px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-pill);
  background: rgba(7, 12, 27, .78);
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .searchband__input::placeholder {
  color: var(--mist-400);
}

.page-faq .searchband__input:focus {
  outline: none;
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(41, 224, 214, .16), 0 0 34px rgba(41, 224, 214, .22);
}

.page-faq .searchband__hint {
  position: relative;
  z-index: 1;
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 主布局：锚点 + 正文 ---------- */
.page-faq .help-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-faq .help-anchors__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-faq .help-anchors__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .help-anchors__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 15px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-pill);
  color: var(--mist-400);
  font-size: 14px;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .help-anchors__link:hover,
.page-faq .help-anchors__link:focus-visible {
  color: var(--mist-100);
  border-color: var(--cyan-400);
  background: rgba(41, 224, 214, .07);
}

.page-faq .help-anchors__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan-400);
}

.page-faq .help-anchors__n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist-400);
  opacity: .8;
}

.page-faq .help-anchors__figure {
  display: none;
  margin: 22px 0 0;
}

.page-faq .help-anchors__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

/* ---------- 正文区块 ---------- */
.page-faq .help-block {
  --accent: var(--cyan-400);
  position: relative;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  padding: clamp(20px, 3.2vw, 36px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-xl);
  background: var(--faq-card-bg);
  scroll-margin-top: var(--faq-anchor-top);
}

.page-faq .help-block::before {
  content: "";
  display: block;
  width: 54px;
  height: 3px;
  margin-bottom: 20px;
  border-radius: 2px;
  background: var(--accent);
}

.page-faq .help-block--gold { --accent: var(--gold-300); }
.page-faq .help-block--violet { --accent: var(--violet-400); }

.page-faq .help-block--feedback {
  --accent: var(--cyan-400);
  border-color: rgba(41, 224, 214, .34);
  background:
    radial-gradient(110% 140% at 88% 0%, rgba(41, 224, 214, .14), transparent 60%),
    linear-gradient(150deg, rgba(6, 58, 61, .85), rgba(7, 12, 27, .72));
}

.page-faq .help-block:target {
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 1px rgba(41, 224, 214, .25), 0 18px 46px rgba(7, 12, 27, .6);
}

.page-faq .help-block__head .eyebrow {
  color: var(--accent);
  letter-spacing: .16em;
}

.page-faq .help-block__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.24;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--mist-100);
}

.page-faq .help-block__sub {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--mist-400);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .help-block__sub a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px dashed rgba(41, 224, 214, .5);
}

.page-faq .help-block__foot {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-faq .help-block__foot a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px dashed rgba(41, 224, 214, .5);
}

/* ---------- 版本筛选与表格 ---------- */
.page-faq .ver-zone {
  margin-top: 24px;
}

.page-faq .vf-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .vf-chip {
  display: inline-block;
  margin: 0 8px 10px 0;
  padding: 8px 16px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-pill);
  color: var(--mist-400);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .vf-chip:hover {
  color: var(--mist-100);
  border-color: var(--cyan-400);
}

.page-faq .vf-radio:checked + .vf-chip {
  color: var(--ink-900);
  border-color: var(--violet-400);
  background: var(--violet-400);
  font-weight: 600;
}

.page-faq .vf-radio:focus-visible + .vf-chip {
  box-shadow: 0 0 0 3px rgba(41, 224, 214, .3);
}

.page-faq #vf-feat:checked ~ .ver-table-wrap .ver-table tbody tr:not([data-type="feat"]),
.page-faq #vf-compat:checked ~ .ver-table-wrap .ver-table tbody tr:not([data-type="compat"]),
.page-faq #vf-content:checked ~ .ver-table-wrap .ver-table tbody tr:not([data-type="content"]),
.page-faq #vf-sec:checked ~ .ver-table-wrap .ver-table tbody tr:not([data-type="sec"]),
.page-faq #vf-perf:checked ~ .ver-table-wrap .ver-table tbody tr:not([data-type="perf"]),
.page-faq #vf-order:checked ~ .ver-table-wrap .ver-table tbody tr:not([data-type="order"]) {
  display: none;
}

.page-faq .ver-table-wrap {
  margin-top: 8px;
  border: 1px solid var(--slate-600);
  border-radius: var(--r-lg);
  background: rgba(14, 22, 48, .62);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .ver-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-faq .ver-table__cap {
  padding: 16px 18px 6px;
  text-align: left;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist-400);
}

.page-faq .ver-table th {
  padding: 12px 18px;
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist-400);
  border-bottom: 1px solid var(--slate-600);
  white-space: nowrap;
}

.page-faq .ver-table td {
  padding: 14px 18px;
  color: var(--mist-100);
  border-bottom: 1px solid rgba(36, 48, 79, .55);
  vertical-align: middle;
  white-space: nowrap;
}

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

.page-faq .ver-table tbody tr {
  transition: background .18s var(--ease);
}

.page-faq .ver-table tbody tr:hover {
  background: rgba(41, 224, 214, .07);
}

.page-faq .ver-table__no {
  color: var(--cyan-400);
  font-weight: 600;
}

.page-faq .vtype {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  border: 1px solid currentColor;
}

.page-faq .vtype--feat { color: var(--cyan-400); }
.page-faq .vtype--compat { color: var(--gold-300); }
.page-faq .vtype--content { color: var(--violet-400); }
.page-faq .vtype--sec { color: #7FE3A8; }
.page-faq .vtype--perf { color: #6FB7FF; }
.page-faq .vtype--order { color: var(--mist-400); }

/* ---------- 手风琴问答 ---------- */
.page-faq .qa-list {
  margin-top: 20px;
  border-top: 1px solid rgba(36, 48, 79, .6);
}

.page-faq .qa {
  border-bottom: 1px solid rgba(36, 48, 79, .6);
  transition: background .18s var(--ease);
}

.page-faq .qa[open] {
  background: rgba(41, 224, 214, .04);
}

.page-faq .qa summary {
  position: relative;
  display: block;
  padding: 16px 42px 16px 0;
  cursor: pointer;
  list-style: none;
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--accent, var(--cyan-400));
  transition: transform .18s var(--ease), color .18s var(--ease);
}

.page-faq .qa[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-faq .qa__body {
  padding: 0 42px 18px 0;
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 64ch;
  color: var(--mist-400);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .qa__body a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px dashed rgba(41, 224, 214, .5);
}

/* ---------- 会员中心四区 ---------- */
.page-faq .zone-strip {
  display: flex;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .zone-strip li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  flex: 0 0 auto;
  padding: 12px 18px;
  border: 1px solid rgba(162, 107, 255, .4);
  border-radius: var(--r-md);
  background: rgba(162, 107, 255, .08);
  color: var(--mist-100);
  font-size: 14px;
}

.page-faq .zone-strip__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--violet-400);
  letter-spacing: .1em;
}

/* ---------- 反馈清单 ---------- */
.page-faq .check-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(36, 48, 79, .6);
}

.page-faq .check-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(36, 48, 79, .6);
  color: var(--mist-100);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .check-list__k {
  flex: 0 0 auto;
  min-width: 56px;
  padding: 2px 10px;
  border: 1px solid rgba(245, 196, 107, .55);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-300);
}

.page-faq .feedback-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 检索命中态 ---------- */
.page-faq .is-search-hit {
  outline: 1px solid rgba(41, 224, 214, .6);
  outline-offset: 4px;
  border-radius: 8px;
}

.page-faq .is-search-dim {
  opacity: .38;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .help-block__title {
    max-width: 22ch;
  }

  .page-faq .zone-strip {
    flex-wrap: wrap;
    overflow: visible;
  }
}

@media (min-width: 900px) {
  .page-faq .help-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-faq .help-hero__media {
    margin-top: 12px;
  }
}

@media (min-width: 1024px) {
  .page-faq .help-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .help-anchors__inner {
    position: sticky;
    top: var(--faq-anchor-top);
  }

  .page-faq .help-anchors__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .help-anchors__link {
    justify-content: flex-start;
    width: 100%;
    box-sizing: border-box;
    border-radius: var(--r-md);
  }

  .page-faq .help-anchors__n {
    margin-left: auto;
  }

  .page-faq .help-anchors__figure {
    display: block;
  }

  .page-faq .qa__body {
    padding-right: 0;
  }
}

@media (min-width: 1280px) {
  .page-faq .help-block:nth-child(even) {
    margin-left: clamp(12px, 2vw, 30px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}