.page-faq {
  --faq-woodline: rgba(138, 90, 43, .45);
  --faq-softline: rgba(20, 17, 15, .12);
  background: var(--paper);
  color: var(--ink);
}

.page-faq__crumb {
  padding: 12px 0 14px;
  background: var(--paper);
}

.page-faq .breadcrumbs ol {
  margin: 0;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(30px, 4.6vw, 52px) 0 clamp(38px, 5.4vw, 66px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(200, 162, 121, .16) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(200, 162, 121, .16) 0 1px, transparent 1px 46px);
  opacity: .55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--wood-grain);
  pointer-events: none;
}

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

.page-faq .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 40px);
}

.page-faq .badge-2024 {
  display: inline-block;
  margin: 0 0 .9rem;
  padding: .3rem .72rem;
  border: 1px solid rgba(224, 163, 46, .55);
  background: rgba(224, 163, 46, .12);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
}

.page-faq .faq-hero .kicker {
  margin: 0;
  color: var(--wood-light);
  font-size: .82rem;
  letter-spacing: .06em;
}

.page-faq .faq-hero .kicker__en {
  color: var(--amber);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.2;
  letter-spacing: .02em;
  margin: .5rem 0 0;
  color: var(--paper);
}

.page-faq .hero-lead {
  margin: 1rem 0 0;
  max-width: 54ch;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(246, 240, 230, .86);
}

.page-faq .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.5rem;
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: .84rem;
  color: rgba(246, 240, 230, .72);
}

.page-faq .hero-stats strong {
  color: var(--amber);
  font-size: 1rem;
  font-weight: 700;
}

.page-faq .searchbar {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(13px, 2vw, 18px);
  background: rgba(246, 240, 230, .06);
  border: 1px solid rgba(246, 240, 230, .18);
  transition: border-color .2s var(--ease);
}

.page-faq .searchbar:focus-within {
  border-color: var(--amber);
}

.page-faq .searchbar__label {
  display: block;
  margin-bottom: .6rem;
  font-size: .74rem;
  letter-spacing: .18em;
  color: rgba(246, 240, 230, .58);
}

.page-faq .searchbar__keys {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-faq .keyword {
  display: inline-block;
  padding: .32rem .72rem;
  border: 1px solid rgba(246, 240, 230, .28);
  color: var(--paper);
  font-size: .86rem;
  line-height: 1.5;
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .keyword:hover,
.page-faq .keyword:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-faq .hero-figure {
  margin: 0;
}

.page-faq .hero-figure .media {
  border: 1px solid rgba(246, 240, 230, .16);
}

/* 正文双栏 */
.page-faq .doc-body {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(30px, 4.6vw, 56px) var(--gutter) clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

.page-faq .coord-nav {
  border-top: 2px solid var(--wood);
  padding-top: .9rem;
}

.page-faq .coord-nav__title {
  margin: 0 0 .6rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--taupe);
  font-weight: 700;
}

.page-faq .coord-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem .9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .coord-nav__link {
  display: flex;
  gap: .5rem;
  align-items: baseline;
  padding: .45rem 0;
  color: var(--taupe);
  font-size: .9rem;
  line-height: 1.45;
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-faq .coord-nav__code {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--wood);
  transition: color .18s var(--ease);
}

.page-faq .coord-nav__link:hover,
.page-faq .coord-nav__link:focus-visible {
  color: var(--cinnabar);
}

.page-faq .coord-nav__link:hover .coord-nav__code,
.page-faq .coord-nav__link:focus-visible .coord-nav__code {
  color: var(--cinnabar);
}

.page-faq .doc-main {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  min-width: 0;
}

/* 区块 */
.page-faq .faq-block {
  border-top: 3px solid var(--faq-woodline);
  padding-top: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-block:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .block-code {
  display: inline-block;
  padding: .1rem .42rem;
  border: 1px solid var(--faq-woodline);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--wood);
}

.page-faq .faq-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: .01em;
  margin: .6rem 0 .5rem;
}

.page-faq .faq-block > p {
  max-width: 66ch;
  margin: .55rem 0;
  line-height: 1.95;
}

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

.page-faq .doc-note {
  max-width: 66ch;
  margin: 1rem 0 0;
  padding-left: .9rem;
  border-left: 2px solid var(--wood-light);
  font-size: .9rem;
  line-height: 1.85;
  color: var(--taupe);
}

/* 分组目录 */
.page-faq .group-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-softline);
}

.page-faq .group-row {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: .1rem .7rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--faq-softline);
}

.page-faq .group-row__idx {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--wood);
  padding-top: .22rem;
}

.page-faq .group-row__name {
  grid-column: 2;
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.6;
}

.page-faq .group-row__desc {
  grid-column: 2;
  margin: .28rem 0 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--taupe);
}

.page-faq .group-row__count {
  grid-column: 2;
  margin-top: .2rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--celadon);
}

/* 问题手风琴 */
.page-faq .qa-list {
  margin: 1.1rem 0 0;
  border-top: 1px solid var(--faq-softline);
}

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

.page-faq .qa summary {
  position: relative;
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  list-style: none;
  cursor: pointer;
  padding: .9rem 2.1rem .9rem 0;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
}

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

.page-faq .qa summary::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--wood-light);
  margin-top: .55rem;
  transition: background .18s var(--ease), transform .18s var(--ease);
}

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: .3rem;
  top: .82rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--wood);
  transition: transform .2s var(--ease), color .2s var(--ease);
}

.page-faq .qa[open] summary::before {
  background: var(--cinnabar);
  transform: translateY(-1px);
}

.page-faq .qa[open] summary::after {
  transform: rotate(45deg);
  color: var(--cinnabar);
}

.page-faq .qa__body {
  padding: 0 .4rem 1.15rem 1.7rem;
  max-width: 64ch;
  line-height: 1.95;
  font-size: .96rem;
}

.page-faq .qa__body p {
  margin: 0;
}

.page-faq .qa__body ol {
  margin: 0;
  padding-left: 1.15rem;
}

.page-faq .qa__body li {
  margin: .3rem 0;
}

/* 兼容清单 */
.page-faq .block-figure {
  margin: 1.1rem 0 0;
}

.page-faq .block-figure .media {
  border: 1px solid var(--faq-softline);
}

.page-faq .compat {
  margin: 1.1rem 0 0;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.page-faq .compat__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .32rem;
  padding: .85rem 1rem;
  border-top: 1px solid var(--faq-softline);
  font-size: .93rem;
  line-height: 1.8;
}

.page-faq .compat__row:first-child {
  border-top: none;
}

.page-faq .compat__row--head {
  display: none;
}

.page-faq .compat__browser {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}

.page-faq .compat__row:not(.compat__row--head) .compat__browser::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: .5rem;
  vertical-align: middle;
  background: var(--celadon);
}

/* 更新节奏 */
.page-faq .update-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-softline);
}

.page-faq .update-list li {
  padding: .85rem 0;
  border-bottom: 1px solid var(--faq-softline);
  font-size: .95rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-faq .update-list__k {
  display: block;
  margin-bottom: .2rem;
  font-weight: 700;
  font-size: .86rem;
  letter-spacing: .06em;
  color: var(--celadon);
}

/* 邮件联系 */
.page-faq .mail-card {
  margin: 1.1rem 0;
  padding: 1.05rem 1.15rem;
  background: rgba(46, 74, 87, .07);
  border-left: 3px solid var(--indigo);
}

.page-faq .mail-card__label {
  margin: 0 0 .35rem;
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--indigo);
  font-weight: 700;
}

.page-faq .mail-card__addr {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.4vw, 1.15rem);
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}

.page-faq .mail-card__note {
  margin: .55rem 0 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--taupe);
}

/* 桌面端 */
@media (min-width: 700px) {
  .page-faq .group-row {
    grid-template-columns: 2.4rem minmax(0, 1fr) 5.5rem;
    gap: .1rem .8rem;
    align-items: baseline;
  }

  .page-faq .group-row__idx {
    grid-row: 1;
  }

  .page-faq .group-row__name {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .group-row__count {
    grid-column: 3;
    grid-row: 1;
    margin-top: 0;
    text-align: right;
  }

  .page-faq .group-row__desc {
    grid-column: 2 / 4;
    grid-row: 2;
  }
}

@media (min-width: 760px) {
  .page-faq .compat__row {
    grid-template-columns: .9fr 1.5fr 1.4fr 1.05fr;
    gap: 1.2rem;
    align-items: start;
    padding: .95rem 1.15rem;
  }

  .page-faq .compat__row--head {
    display: grid;
    border-top: none;
    background: var(--celadon);
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .04em;
    color: var(--paper);
  }

  .page-faq .compat__row--head > * {
    color: var(--paper);
  }
}

@media (min-width: 900px) {
  .page-faq .doc-body {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 52px);
  }

  .page-faq .coord-nav {
    position: sticky;
    top: calc(var(--topbar-h) + 18px);
  }

  .page-faq .coord-nav__list {
    display: block;
  }

  .page-faq .coord-nav__link {
    border-bottom: 1px solid var(--faq-softline);
  }
}

@media (min-width: 940px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .keyword,
  .page-faq .coord-nav__link,
  .page-faq .coord-nav__code,
  .page-faq .qa summary::before,
  .page-faq .qa summary::after,
  .page-faq .searchbar {
    transition: none;
  }

  .page-faq .qa[open] summary::before {
    transform: none;
  }
}
<<<END>>>