.page-faq {
  --faq-line: rgba(143, 163, 150, 0.24);
  --faq-line-strong: rgba(200, 255, 61, 0.45);
  --faq-ghost: rgba(244, 248, 241, 0.78);
  background: var(--ink-950);
  color: var(--chalk);
  overflow-x: hidden;
}

.page-faq a {
  color: var(--lime-200);
  text-decoration-color: rgba(200, 255, 61, 0.45);
  text-underline-offset: 3px;
}

.page-faq .display-1,
.page-faq .display-2,
.page-faq .display-3 {
  margin: 0;
}

.page-faq .lede {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--faq-ghost);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(200, 255, 61, 0.14), transparent 58%),
    radial-gradient(80% 70% at 0% 100%, rgba(255, 106, 43, 0.1), transparent 60%),
    var(--ink-950);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--faq-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  pointer-events: none;
}

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

.page-faq .crumbs {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-faq .hero-grid {
  row-gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-faq .hero-copy h1 {
  margin-top: 12px;
  font-size: clamp(34px, 6.2vw, 74px);
  color: var(--chalk);
  max-width: 18ch;
}

.page-faq .jump-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .jump-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-pill);
  color: var(--chalk);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .jump-list a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime-400);
  flex: none;
}

.page-faq .jump-list a:hover,
.page-faq .jump-list a:focus-visible {
  border-color: var(--faq-line-strong);
  background: rgba(200, 255, 61, 0.08);
  color: var(--lime-200);
}

.page-faq .hero-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .hero-side .media-frame {
  overflow: hidden;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

.page-faq .hero-side img,
.page-faq .group-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .path-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--turf);
}

.page-faq .path-flow span {
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--faq-line);
}

.page-faq .path-flow span:not(:last-child)::after {
  content: "→";
  margin-left: 8px;
  color: var(--lime-400);
}

.page-faq .path-flow span + span::before {
  content: none;
}

.page-faq .hero-note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--lime-400);
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-ghost);
}

/* 热门问题 */
.page-faq .faq-hot {
  background: var(--ink-900);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .hot-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .hot-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .hot-list a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--faq-line);
  color: var(--chalk);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-faq .hot-list li:last-child a {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .hot-num {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--turf);
  transition: color 0.22s var(--ease), -webkit-text-stroke-color 0.22s var(--ease);
}

.page-faq .hot-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-faq .hot-text strong {
  font-size: clamp(16px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .hot-text .muted {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--turf);
}

.page-faq .hot-arrow {
  font-family: var(--font-mono);
  color: var(--turf);
  transition: transform 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .hot-list a:hover .hot-num,
.page-faq .hot-list a:focus-visible .hot-num {
  color: var(--lime-400);
  -webkit-text-stroke-color: var(--lime-400);
}

.page-faq .hot-list a:hover .hot-arrow,
.page-faq .hot-list a:focus-visible .hot-arrow {
  transform: translateX(6px);
  color: var(--lime-400);
}

/* 主体两栏 */
.page-faq .faq-body {
  padding-block: clamp(36px, 6vw, 80px);
  row-gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

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

.page-faq .index-inner {
  padding: 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: rgba(18, 51, 38, 0.55);
}

.page-faq .index-inner ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .index-inner li {
  border-top: 1px solid var(--faq-line);
}

.page-faq .index-inner li:first-child {
  border-top: 0;
}

.page-faq .index-inner li a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  font-size: 14.5px;
  color: var(--chalk);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .index-inner li a .mono {
  font-size: 12px;
  color: var(--lime-400);
}

.page-faq .index-inner li a:hover,
.page-faq .index-inner li a:focus-visible {
  color: var(--lime-200);
}

.page-faq .index-help {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--turf);
}

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

.page-faq .faq-group {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--faq-line-strong);
  margin-bottom: clamp(44px, 7vw, 84px);
}

.page-faq .faq-group h2 {
  margin-top: 10px;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.1;
  color: var(--chalk);
}

.page-faq .group-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-ghost);
}

.page-faq .group-figure {
  margin: 24px 0 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
}

/* 步骤卡 */
.page-faq .steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--ink-800);
  border-left: 2px solid rgba(200, 255, 61, 0.35);
}

.page-faq .step-num {
  padding-top: 3px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lime-400);
}

.page-faq .steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--chalk);
}

/* 折叠问答组 */
.page-faq .faq-list {
  margin-top: 22px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .qa {
  border: 0;
  border-bottom: 1px solid var(--faq-line);
  border-radius: 0;
  background: transparent;
}

.page-faq .qa-head {
  margin: 0;
  font: inherit;
}

.page-faq .qa-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  background: none;
  border: 0;
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: clamp(15.5px, 2vw, 17.5px);
  font-weight: 700;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-faq .qa-trigger:hover,
.page-faq .qa-trigger:focus-visible {
  color: var(--lime-200);
}

.page-faq .qa-icon {
  position: relative;
  flex: none;
  width: 28px;
  height: 28px;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  transition: border-color 0.2s var(--ease), transform 0.26s var(--ease);
}

.page-faq .qa-icon::before,
.page-faq .qa-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--lime-400);
  transform: translate(-50%, -50%);
}

.page-faq .qa-icon::before {
  width: 11px;
  height: 1.5px;
}

.page-faq .qa-icon::after {
  width: 1.5px;
  height: 11px;
  transition: opacity 0.2s var(--ease);
}

.page-faq .qa-trigger[aria-expanded="true"] .qa-icon {
  border-color: var(--faq-line-strong);
  transform: rotate(180deg);
}

.page-faq .qa-trigger[aria-expanded="true"] .qa-icon::after {
  opacity: 0;
}

.page-faq .qa-panel-inner {
  max-width: 66ch;
  padding: 0 0 22px;
}

.page-faq .qa-panel-inner p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--chalk);
}

.page-faq .qa-panel-inner p:last-child {
  margin-bottom: 0;
}

/* 版本对照表 */
.page-faq .table-caption {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--turf);
  text-align: left;
  caption-side: top;
}

.page-faq .table-scroll {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: rgba(18, 51, 38, 0.4);
}

.page-faq .data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .data-table th {
  padding: 13px 16px;
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turf);
  text-align: left;
  white-space: nowrap;
}

.page-faq .data-table th:nth-child(3) {
  color: var(--lime-200);
}

.page-faq .data-table td {
  padding: 13px 16px;
  border-top: 1px solid var(--faq-line);
  vertical-align: top;
  line-height: 1.65;
  color: var(--chalk);
}

.page-faq .data-table td:first-child {
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .data-table td:nth-child(3) {
  border-left: 1px solid var(--faq-line);
}

/* 下载格式 */
.page-faq .dl-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .dl-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border-radius: var(--r-md);
  background: var(--ink-800);
  border-top: 2px solid rgba(143, 163, 150, 0.35);
}

.page-faq .dl-card:nth-child(1) {
  border-top-color: var(--lime-400);
}

.page-faq .dl-card:nth-child(3) {
  border-top-color: var(--orange-500);
}

.page-faq .dl-card .pill {
  align-self: flex-start;
}

.page-faq .dl-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-ghost);
}

/* 维护时间线 */
.page-faq .timeline {
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--lime-400);
  display: grid;
  gap: 18px;
}

.page-faq .timeline li {
  position: relative;
}

.page-faq .timeline li::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime-400);
  box-shadow: 0 0 0 4px rgba(7, 20, 15, 0.9);
}

.page-faq .timeline strong {
  display: block;
  font-size: 15px;
  color: var(--chalk);
}

.page-faq .timeline .muted {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--turf);
}

/* 反馈面板 */
.page-faq .feedback-panel {
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(255, 106, 43, 0.12), transparent 62%),
    linear-gradient(140deg, var(--ink-800), var(--ink-900));
}

.page-faq .feedback-panel h2 {
  margin-top: 10px;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.1;
}

.page-faq .feedback-grid {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.page-faq .feedback-copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--chalk);
}

.page-faq .check-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .check-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--faq-ghost);
}

.page-faq .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: rgba(200, 255, 61, 0.18);
  border: 1px solid var(--lime-400);
}

.page-faq .feedback-copy .btn {
  align-self: flex-start;
}

.page-faq .faq-contact {
  padding: 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: rgba(7, 20, 15, 0.45);
}

.page-faq .faq-contact-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-contact-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-faq .faq-contact-value {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--chalk);
  word-break: break-word;
}

.page-faq .faq-contact-value.mono {
  font-size: 14.5px;
  color: var(--lime-200);
}

.page-faq .faq-contact-note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--turf);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-faq .dl-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .hot-list a {
    padding: 24px 0;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .hero-copy {
    padding-top: 8px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .feedback-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 32px;
  }

  .page-faq .faq-contact-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
  }

  .page-faq .faq-contact-label {
    flex: none;
  }

  .page-faq .faq-contact-value {
    text-align: right;
  }
}

@media (min-width: 1080px) {
  .page-faq .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

@media (max-width: 599px) {
  .page-faq .hot-list a {
    grid-template-columns: auto 1fr;
    gap: 14px;
  }

  .page-faq .hot-arrow {
    display: none;
  }

  .page-faq .qa-trigger {
    padding: 16px 0;
  }

  .page-faq .index-inner {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hot-arrow,
  .page-faq .qa-icon,
  .page-faq .jump-list a {
    transition: none;
  }

  .page-faq .hot-list a:hover .hot-arrow,
  .page-faq .hot-list a:focus-visible .hot-arrow {
    transform: none;
  }
}
<<<END>>>