.page-faq {
  --faq-rail: 236px;
  --faq-gap: clamp(1.5rem, 3.6vw, 3.2rem);
  background: var(--cream);
  color: var(--ink);
  padding-bottom: clamp(2.6rem, 7vw, 5rem);
}

.page-faq .faq-crumb {
  padding-top: clamp(.9rem, 2.4vw, 1.6rem);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--taupe);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: .45rem;
  color: var(--turq-lite);
}

.page-faq .breadcrumb a {
  color: var(--red-clay);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}

.page-faq .breadcrumb a:hover {
  border-bottom-color: var(--red-clay);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.2rem, 3.2vw, 2.2rem) 0 clamp(1.8rem, 4.6vw, 3rem);
}

.page-faq .faq-hero__frame {
  position: relative;
  background: var(--paper);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 4.4vw, 3.2rem) clamp(1.2rem, 3.8vw, 2.8rem) clamp(1.6rem, 4.6vw, 2.8rem);
  overflow: hidden;
}

.page-faq .faq-hero__title {
  margin: .7rem 0 1rem;
  max-width: 19ch;
}

.page-faq .faq-hero__lead {
  max-width: 60ch;
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-faq .faq-hero__quick .chip {
  display: inline-block;
  text-decoration: none;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-hero__quick .chip:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.4rem;
  margin: 1.7rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__stats > div {
  min-width: 0;
}

.page-faq .faq-hero__stats dt {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--taupe);
}

.page-faq .faq-hero__stats dd {
  margin: .3rem 0 0;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--red-clay);
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-rail {
  background: var(--lake);
  color: var(--gold-lite);
  border-radius: var(--r-lg);
  padding: 1.3rem 1.2rem 1.4rem;
}

.page-faq .faq-rail__title {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--turq-lite);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .45rem;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  min-width: 0;
  padding: .5rem .75rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  color: var(--gold-lite);
  font-size: .86rem;
  text-decoration: none;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--turq);
  border-color: var(--turq);
  color: #ffffff;
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold);
}

.page-faq .faq-rail__link:hover .faq-rail__num {
  color: var(--gold-lite);
}

.page-faq .faq-rail__foot {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--turq-lite);
}

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

.page-faq .faq-rail__foot p + p {
  margin-top: .3rem;
}

.page-faq .faq-rail__foot a {
  color: var(--gold-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 区块节奏 ---------- */
.page-faq .faq-block {
  margin-bottom: clamp(2.2rem, 5vw, 3.6rem);
  scroll-margin-top: 104px;
}

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

.page-faq .faq-block__lead {
  margin: .9rem 0 0;
  max-width: 62ch;
  color: var(--ink);
}

.page-faq .faq-figure {
  margin: 1.5rem 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 五组文档索引 ---------- */
.page-faq .doc-groups {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-faq .doc-group {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.1rem 1.2rem 1.1rem 1.4rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .doc-group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: 0 var(--r-pill) var(--r-pill) 0;
  background: var(--turq);
  transition: background .18s var(--ease);
}

.page-faq .doc-group:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-faq .doc-group:hover::before {
  background: var(--gold);
}

.page-faq .doc-group__count {
  display: flex;
  align-items: baseline;
  gap: .15rem;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--red-clay);
}

.page-faq .doc-group__count small {
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--taupe);
}

.page-faq .doc-group__body {
  min-width: 0;
}

.page-faq .doc-group__title {
  margin: 0 0 .35rem;
  font-size: 1.06rem;
  font-weight: 700;
}

.page-faq .doc-group__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
}

.page-faq .doc-group__who {
  margin: .45rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--taupe);
}

/* ---------- 四个入口 ---------- */
.page-faq .entrance-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-faq .entrance {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.1rem 1.2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .entrance:hover {
  transform: translateY(-4px);
  border-color: var(--turq-lite);
}

.page-faq .entrance__key {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--turq);
}

.page-faq .entrance__name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.page-faq .entrance__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
}

.page-faq .entrance__go {
  margin-top: auto;
  padding-top: .3rem;
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--red-clay);
  text-decoration: none;
}

.page-faq .entrance__go:hover {
  color: var(--turq);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .troubleshoot {
  margin-top: 1.5rem;
  padding: 1.3rem 1.3rem 1.1rem;
  background: var(--gold-lite);
  border-radius: var(--r-lg);
}

.page-faq .troubleshoot__title {
  margin: 0 0 .8rem;
  font-size: 1rem;
  font-weight: 700;
}

.page-faq .troubleshoot ol {
  margin: 0;
  padding-left: 1.25rem;
}

.page-faq .troubleshoot li {
  font-size: .93rem;
  line-height: 1.85;
}

.page-faq .troubleshoot li + li {
  margin-top: .3rem;
}

/* ---------- 领取步骤（深色分区） ---------- */
.page-faq .faq-block--claim {
  background: var(--lake);
  color: var(--gold-lite);
  border-radius: var(--r-lg);
  padding: clamp(1.4rem, 4vw, 2.6rem);
}

.page-faq .faq-block--claim .faq-block__lead {
  color: var(--turq-lite);
}

.page-faq .step-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
}

.page-faq .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: .95rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .step:first-child {
  border-top: 0;
  padding-top: .3rem;
}

.page-faq .step__num {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .2rem .75rem;
  border-radius: var(--r-pill);
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold-lite);
  font-size: 1rem;
  line-height: 1.6;
}

.page-faq .step__num::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-faq .step__text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.75;
  color: var(--gold-lite);
}

.page-faq .faq-figure--dark {
  margin-top: 1.8rem;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa {
  margin-top: .7rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color .18s var(--ease);
}

.page-faq .faq-qa[open] {
  border-color: var(--turq-lite);
}

.page-faq .faq-qa summary {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: 1rem 1.2rem;
  font-size: .98rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-qa summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--red-clay);
}

.page-faq .faq-qa[open] summary::before {
  content: "–";
  color: var(--turq);
}

.page-faq .faq-qa__body {
  padding: 0 1.2rem 1.1rem;
}

.page-faq .faq-qa__body p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 访问与兼容 ---------- */
.page-faq .compat {
  display: grid;
  gap: .8rem;
  margin-top: 1.3rem;
}

.page-faq .compat__col {
  padding: 1.2rem 1.3rem;
  border-radius: var(--r-lg);
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-faq .compat__col--dark {
  background: var(--turq);
  border-color: var(--turq);
  color: #ffffff;
}

.page-faq .compat__title {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--taupe);
}

.page-faq .compat__col--dark .compat__title {
  color: var(--gold-lite);
}

.page-faq .compat__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-faq .compat__list li {
  padding: .32rem .82rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--cream);
  font-size: .84rem;
}

.page-faq .compat__col--dark .compat__list li {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .3);
  color: #ffffff;
}

.page-faq .spec-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  margin-top: 1.2rem;
}

.page-faq .spec {
  padding: .95rem 1.1rem;
  border-radius: var(--r-md);
  background: var(--gold-lite);
}

.page-faq .spec__num {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--lake);
}

.page-faq .spec__label {
  margin: .4rem 0 0;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .check-list {
  margin: 1.4rem 0 0;
  padding-left: 1.25rem;
}

.page-faq .check-list li {
  font-size: .93rem;
  line-height: 1.85;
}

.page-faq .check-list li + li {
  margin-top: .3rem;
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-block--support {
  padding: clamp(1.5rem, 4.2vw, 2.6rem);
  border-radius: var(--r-lg);
  background: var(--red-clay);
  color: var(--gold-lite);
}

.page-faq .faq-block--support .h-2 {
  color: #ffffff;
}

.page-faq .faq-support__lead {
  margin: .9rem 0 0;
  color: var(--gold-lite);
}

.page-faq .faq-contact__line {
  margin: 1.2rem 0 0;
  font-size: .98rem;
  line-height: 1.9;
  color: #ffffff;
  word-break: break-word;
}

.page-faq .faq-contact__line a {
  color: var(--gold-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__sep {
  margin: 0 .5rem;
  color: var(--gold);
}

.page-faq .faq-support__note {
  margin: .55rem 0 0;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--gold-lite);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-support__actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .entrance-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .spec-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .step {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-rail__list {
    grid-template-columns: 1fr;
  }

  .page-faq .doc-group {
    padding: 1.2rem 1.4rem 1.2rem 1.6rem;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body {
    padding-right: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .doc-group,
  .page-faq .entrance,
  .page-faq .faq-hero__quick .chip {
    transition: none;
  }

  .page-faq .doc-group:hover,
  .page-faq .entrance:hover,
  .page-faq .faq-hero__quick .chip:hover {
    transform: none;
  }
}