.page-faq {
  --faq-gap: clamp(1rem, 2.6vw, 1.9rem);
  --faq-indent: 2.5rem;
  color: var(--text);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(1.3rem, 3vw, 2.1rem) clamp(1.7rem, 3.6vw, 2.8rem);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(201, 161, 91, 0.07), rgba(15, 13, 11, 0) 62%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: center;
}

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

.page-faq .faq-hero h1 {
  margin: 0.5rem 0 0.85rem;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(2.15rem, 6.6vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-hero .wd-lede {
  max-width: 46ch;
  color: var(--text-dim);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

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

/* 快捷三条 */
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .faq-quick__item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.85rem 1rem 0.9rem;
  background: linear-gradient(180deg, rgba(43, 37, 32, 0.6), rgba(25, 21, 18, 0.35));
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cinnabar);
  border-radius: var(--r);
  color: var(--text);
  text-decoration: none;
  transition: background var(--dur), border-color var(--dur);
}

.page-faq .faq-quick__item:hover {
  background: linear-gradient(180deg, rgba(201, 72, 50, 0.16), rgba(25, 21, 18, 0.42));
  border-left-color: var(--bronze-bright);
}

.page-faq .faq-quick__item:focus-visible {
  outline: 2px solid var(--bronze-bright);
  outline-offset: 2px;
}

.page-faq .faq-quick__k {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--cinnabar);
}

.page-faq .faq-quick__t {
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--paper);
}

/* 主体骨架 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-block: clamp(1.6rem, 4vw, 3rem) clamp(1.8rem, 4vw, 3.2rem);
}

/* 左侧索引 */
.page-faq .faq-index {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}

.page-faq .faq-index__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.1rem 0.5rem;
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 0.45rem;
  align-items: baseline;
  padding: 0.32rem 0.35rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}

.page-faq .faq-index__list a:hover {
  color: var(--bronze-bright);
  border-left-color: var(--bronze);
  background: rgba(201, 161, 91, 0.08);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--bronze-bright);
  outline-offset: 1px;
}

.page-faq .faq-index__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--stone);
}

/* 案卷分组 */
.page-faq .faq-files {
  min-width: 0;
}

.page-faq .faq-chapter {
  margin-bottom: clamp(1.7rem, 3.6vw, 2.7rem);
}

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

.page-faq .faq-chapter__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.75rem;
  padding-bottom: 0.55rem;
  margin-bottom: 0.2rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-chapter__vol {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--cinnabar);
  border: 1px solid rgba(201, 72, 50, 0.55);
  padding: 0.1rem 0.36rem;
}

.page-faq .faq-chapter__head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.12rem, 2.4vw, 1.5rem);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .faq-chapter__range {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--bronze);
}

/* 折叠案卷卡 */
.page-faq .faq-file {
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 6rem;
  transition: background var(--dur), box-shadow var(--dur);
}

.page-faq .faq-file summary {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.92rem 0.2rem 0.92rem 0.55rem;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur);
}

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

.page-faq .faq-file summary:hover {
  background: rgba(201, 161, 91, 0.06);
}

.page-faq .faq-file summary:focus-visible {
  outline: 2px solid var(--bronze-bright);
  outline-offset: 2px;
}

.page-faq .faq-file__no {
  flex: 0 0 auto;
  padding-top: 0.18rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
}

.page-faq .faq-file__q {
  min-width: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-file__mark {
  position: relative;
  flex: 0 0 auto;
  margin-left: auto;
  margin-top: 0.24rem;
  width: 1.15rem;
  height: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 1px;
}

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

.page-faq .faq-file__mark::before {
  width: 9px;
  height: 1px;
}

.page-faq .faq-file__mark::after {
  width: 1px;
  height: 9px;
  transition: transform var(--dur), opacity var(--dur);
}

.page-faq .faq-file[open] .faq-file__mark {
  border-color: var(--bronze);
}

.page-faq .faq-file[open] .faq-file__mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-file__a {
  padding: 0 0.3rem 1.1rem calc(0.55rem + var(--faq-indent));
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--text-dim);
}

.page-faq .faq-file__a p {
  margin: 0 0 0.65rem;
  max-width: 62ch;
}

.page-faq .faq-file:target {
  box-shadow: inset 3px 0 0 var(--cinnabar);
  background: linear-gradient(90deg, rgba(201, 72, 50, 0.14), rgba(15, 13, 11, 0) 72%);
}

/* 复制按钮 */
.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.58rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--stone);
  background: rgba(47, 85, 92, 0.16);
  border: 1px solid rgba(92, 138, 147, 0.35);
  border-radius: var(--r);
  cursor: pointer;
  transition: color var(--dur), background var(--dur), border-color var(--dur);
}

.page-faq .faq-copy:hover {
  color: var(--paper);
  background: var(--stone-deep);
  border-color: var(--stone);
}

.page-faq .faq-copy:focus-visible {
  outline: 2px solid var(--bronze-bright);
  outline-offset: 2px;
}

/* 联系区 */
.page-faq .faq-contact {
  border-top: 1px solid var(--line);
  padding-block: clamp(1.9rem, 4vw, 3.2rem);
  background: linear-gradient(180deg, rgba(201, 161, 91, 0.08), rgba(15, 13, 11, 0) 74%);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: center;
}

.page-faq .faq-contact__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

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

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

.page-faq .faq-contact__text h2 {
  margin: 0.45rem 0 1rem;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.8vw, 2.35rem);
  line-height: 1.16;
  color: var(--paper);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(241, 232, 214, 0.14);
}

.page-faq .faq-contact__label {
  flex: 0 0 auto;
  min-width: 3.6rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-faq .faq-contact__value {
  min-width: 0;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 0 0 1.1rem;
  max-width: 52ch;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-faq {
    --faq-indent: 2.7rem;
  }

  .page-faq .faq-body {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(1.6rem, 4vw, 3.2rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.6rem;
    align-self: start;
  }

  .page-faq .faq-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-file__q {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__item,
  .page-faq .faq-file,
  .page-faq .faq-file summary,
  .page-faq .faq-file__mark::after,
  .page-faq .faq-copy,
  .page-faq .faq-index__list a {
    transition: none;
  }
}