.page-faq {
  background: var(--bone);
  color: var(--ink);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .crumbs {
  padding-top: clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--ink-55);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-faq .crumbs a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  border-bottom-color: var(--lake);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(22px, 4vw, 40px) clamp(32px, 5vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 14px;
  padding-left: 32px;
  position: relative;
}

.page-faq .faq-hero .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 22px;
  height: 2px;
  background: var(--clay);
}

.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.6vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-70);
  margin: 0;
  max-width: 58ch;
}

.page-faq .faq-hero__states {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .state {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left-width: 3px;
  font-size: 0.88rem;
  line-height: 1.65;
}

.page-faq .state__icon {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .state--alert {
  border-left-color: var(--alert);
}

.page-faq .state--alert .state__icon {
  color: var(--alert);
}

.page-faq .state--ok {
  border-left-color: var(--ok);
}

.page-faq .state--ok .state__icon {
  color: var(--ok);
}

.page-faq .faq-hero__side {
  border-top: 2px solid var(--clay);
  padding-top: 18px;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
}

.page-faq .faq-stats__item {
  background: var(--paper);
  padding: 14px 14px 16px;
}

.page-faq .faq-stats dt {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--ink-55);
  margin-bottom: 6px;
}

.page-faq .faq-stats dd {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-faq .faq-stats__item:nth-child(2) dd {
  color: var(--lake);
}

.page-faq .faq-stats__item:nth-child(3) dd {
  color: var(--clay);
}

.page-faq .faq-stats__item:nth-child(4) dd {
  color: var(--gold);
}

.page-faq .faq-hero__hint {
  font-family: var(--font-serif);
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--ink-55);
  margin: 16px 0 0;
}

/* 页内目录 */
.page-faq .faq-anchors {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  scrollbar-width: thin;
}

.page-faq .faq-anchors a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 13px 16px;
  font-size: 0.84rem;
  color: var(--ink-70);
  text-decoration: none;
  border-left: 1px solid var(--line);
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
  white-space: nowrap;
}

.page-faq .faq-anchors a:first-child {
  border-left: none;
}

.page-faq .faq-anchors a .mono {
  font-size: 0.7rem;
  color: var(--lake);
  letter-spacing: 0.1em;
}

.page-faq .faq-anchors a:hover,
.page-faq .faq-anchors a:focus-visible {
  color: var(--lake);
  border-bottom-color: var(--lake);
  background: rgba(22, 105, 122, 0.05);
}

/* 通用区块 */
.page-faq .faq-sec {
  padding-block: clamp(36px, 5.5vw, 64px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 88px;
}

.page-faq .faq-sec--last {
  border-bottom: none;
}

.page-faq .faq-sec__head {
  margin-bottom: clamp(22px, 3.5vw, 34px);
  max-width: 62ch;
}

.page-faq .faq-sec__head .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--lake);
  margin: 0 0 10px;
  padding-left: 28px;
  position: relative;
}

.page-faq .faq-sec__head .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 18px;
  height: 1px;
  background: var(--lake);
}

.page-faq .faq-sec__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.32rem, 3.4vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  margin: 0;
}

.page-faq .faq-sec__lede {
  font-family: var(--font-serif);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-70);
  margin: 14px 0 0;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1000 / 650;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 1200 / 700;
}

.page-faq .faq-figure figcaption {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-55);
  padding: 10px 14px;
  border-top: 1px solid var(--line);
}

/* 分类索引 */
.page-faq .index-split {
  display: grid;
  gap: 20px;
}

.page-faq .idx-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .idx-card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 16px 16px 14px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .idx-card:hover {
  border-color: var(--lake);
}

.page-faq .idx-card__num {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--clay);
  margin: 0 0 8px;
}

.page-faq .idx-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-faq .idx-card__desc {
  font-family: var(--font-serif);
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--ink-70);
  margin: 0 0 12px;
}

.page-faq .idx-card__meta {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--lake);
  margin: 0;
  padding-top: 9px;
  border-top: 1px solid var(--line);
}

/* 高频问题卡 */
.page-faq .paths-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

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

.page-faq .qa-card:hover {
  border-color: var(--lake-soft);
  border-left-color: var(--clay);
}

.page-faq .qa-card[open] {
  border-left-color: var(--clay);
}

.page-faq .qa-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.55;
}

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

.page-faq .qa-card summary::after {
  content: "＋";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--lake);
  line-height: 1.4;
}

.page-faq .qa-card[open] summary::after {
  content: "－";
  color: var(--clay);
}

.page-faq .qa-card__num {
  flex: 0 0 auto;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  background: rgba(217, 154, 43, 0.12);
  padding: 3px 6px;
  line-height: 1.3;
}

.page-faq .qa-card__q {
  min-width: 0;
}

.page-faq .qa-card__body {
  padding: 0 16px 18px;
}

.page-faq .qa-card__three {
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-faq .qa-card__step {
  border-top: 2px solid var(--line);
  padding-top: 10px;
}

.page-faq .qa-card__step--q {
  border-top-color: var(--alert);
}

.page-faq .qa-card__step--j {
  border-top-color: var(--gold);
}

.page-faq .qa-card__step--a {
  border-top-color: var(--ok);
}

.page-faq .qa-card__label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--ink-40);
  margin: 0 0 6px;
}

.page-faq .qa-card__step p:last-child {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--ink-70);
  margin: 0;
}

.page-faq .qa-card__status {
  margin: 16px 0 0;
}

/* 版本兼容对照 */
.page-faq .compat-wrap {
  display: grid;
  gap: 18px;
}

.page-faq .compat-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  font-size: 0.86rem;
}

.page-faq .compat-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-55);
  padding-bottom: 8px;
}

.page-faq .compat-table th,
.page-faq .compat-table td {
  border: 1px solid var(--line);
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .compat-table thead th {
  background: var(--lake-soft);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.page-faq .compat-table tbody th {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--clay);
  background: rgba(184, 74, 36, 0.04);
}

.page-faq .compat-table tbody td {
  font-family: var(--font-serif);
  color: var(--ink-70);
}

.page-faq .compat-table tbody tr:hover th,
.page-faq .compat-table tbody tr:hover td {
  background: rgba(143, 199, 207, 0.16);
}

.page-faq .compat-note {
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  background: var(--paper);
  padding: 16px;
}

.page-faq .compat-note__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.92rem;
  margin: 0 0 10px;
}

.page-faq .compat-note__list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .compat-note__list li {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--ink-70);
  padding-left: 16px;
  position: relative;
}

.page-faq .compat-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--lake);
}

.page-faq .compat-note__foot {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  line-height: 1.72;
  color: var(--ink-55);
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* 替代路径 */
.page-faq .fallback-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: none;
}

.page-faq .fallback-steps .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-faq .fallback-steps .step:first-child {
  border-top: 2px solid var(--ink);
}

.page-faq .fallback-steps .step__num {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  padding-top: 2px;
}

.page-faq .fallback-steps h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.page-faq .fallback-steps p {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--ink-70);
  margin: 0;
}

.page-faq .fallback-foot {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  line-height: 1.8;
  color: var(--ink-55);
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--gold);
  background: var(--paper);
}

/* 人工支持 */
.page-faq .support-grid {
  display: grid;
  gap: 18px;
}

.page-faq .support-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .support-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-70);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .support-list li .mono {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--lake);
}

.page-faq .support-list__note {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--ink-55);
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--clay-soft);
}

.page-faq .support-card {
  background: var(--ink);
  color: var(--bone);
  padding: 20px 18px;
  border-top: 4px solid var(--clay);
}

.page-faq .support-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  line-height: 1.6;
  margin: 0 0 18px;
  color: var(--bone);
}

.page-faq .support-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 12px 0;
  border-top: 1px solid rgba(247, 242, 232, 0.18);
}

.page-faq .support-row__k {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--bone-52);
  flex: 0 0 3.2em;
}

.page-faq .support-row__v {
  font-size: 0.9rem;
  color: var(--bone);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .support-row__v:hover,
.page-faq .support-row__v:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .support-row__btn {
  margin-left: auto;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--bone);
  background: transparent;
  border: 1px solid var(--bone-38);
  padding: 5px 10px;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .support-row__btn:hover,
.page-faq .support-row__btn:focus-visible {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--paper);
}

.page-faq .support-card__foot {
  font-size: 0.8rem;
  line-height: 1.78;
  color: var(--bone-72);
  margin: 15px 0 0;
}

.page-faq .support-card__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 154, 43, 0.5);
}

.page-faq .support-card__foot a:hover,
.page-faq .support-card__foot a:focus-visible {
  border-bottom-color: var(--gold);
}

/* 更新节奏 */
.page-faq .updates-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .updates-row .btn {
  font-family: var(--font-sans);
  font-size: 0.86rem;
  text-decoration: none;
  padding: 11px 18px;
  border: 1px solid var(--ink);
  display: inline-flex;
  align-items: center;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .updates-row .btn--primary {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--paper);
}

.page-faq .updates-row .btn--primary:hover,
.page-faq .updates-row .btn--primary:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
}

.page-faq .updates-row .btn--line {
  background: transparent;
  border-color: var(--lake);
  color: var(--lake);
}

.page-faq .updates-row .btn--line:hover,
.page-faq .updates-row .btn--line:focus-visible {
  background: var(--lake);
  color: var(--paper);
}

.page-faq .updates-row .btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-70);
}

.page-faq .updates-row .btn--ghost:hover,
.page-faq .updates-row .btn--ghost:focus-visible {
  border-color: var(--ink);
  color: var(--ink);
}

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

/* 中等屏幕 */
@media (min-width: 640px) {
  .page-faq .idx-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .fallback-steps .step {
    grid-template-columns: 3.4em minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0;
  }

  .page-faq .support-list li {
    grid-template-columns: 2.6em minmax(0, 1fr);
    gap: 16px;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

  .page-faq .faq-hero__side {
    margin-top: 6px;
  }

  .page-faq .index-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-faq .index-split .faq-figure {
    position: sticky;
    top: 96px;
  }

  .page-faq .idx-card:nth-child(even) {
    margin-top: 20px;
  }

  .page-faq .paths-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .paths-grid .qa-card:first-child {
    grid-column: 1 / -1;
  }

  .page-faq .compat-wrap {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: clamp(22px, 3vw, 36px);
    align-items: start;
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(24px, 3.5vw, 44px);
    align-items: start;
  }
}

/* 降低动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .idx-card,
  .page-faq .qa-card,
  .page-faq .faq-anchors a,
  .page-faq .updates-row .btn,
  .page-faq .support-row__btn {
    transition: none;
  }

  .page-faq .idx-card:hover {
    transform: none;
  }
}
<<<END>>>