.page-faq {
  --faq-gap: clamp(1rem, 2.4vw, 1.75rem);
  --faq-band: clamp(2.75rem, 6vw, 5.5rem);
  color: var(--graphite);
  font-family: var(--sans);
}

.page-faq .faq-sec {
  padding: var(--faq-band) 0;
}

.page-faq .faq-head {
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-title {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: 0.01em;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.3;
  margin: 0.35rem 0 0.75rem;
  color: var(--ink);
}

.page-faq .faq-head-note {
  max-width: 58ch;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-inline-link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  background:
    linear-gradient(160deg, var(--ink) 0%, var(--navy) 62%, var(--ink-deep) 100%);
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 162, 74, 0.16) 0 1px, transparent 1px 88px);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero-frame {
  position: relative;
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
  padding: clamp(1.5rem, 4vw, 3.5rem) 0;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-faq .faq-kicker {
  color: var(--jade);
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.page-faq .faq-h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--mist);
  margin: 0 0 1rem;
  max-width: 20ch;
}

.page-faq .faq-lede {
  color: rgba(245, 242, 234, 0.82);
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  max-width: 52ch;
  margin: 0 0 1.5rem;
}

.page-faq .faq-search {
  border-left: 2px solid var(--gold);
  padding: 0.35rem 0 0.35rem 1rem;
  background: linear-gradient(90deg, rgba(201, 162, 74, 0.09), transparent 72%);
}

.page-faq .faq-search-label {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-faq .faq-quicklinks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  min-height: 44px;
  line-height: 1.4;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid rgba(169, 198, 191, 0.34);
  background: rgba(11, 31, 51, 0.5);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(230, 162, 60, 0.12);
}

.page-faq .faq-hero-side {
  border: 1px solid var(--line-gold);
  background: rgba(18, 46, 74, 0.55);
  padding: 1.25rem 1.15rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-faq .faq-figures {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-faq .faq-figure {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.6rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-figure:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-figure-num {
  font-size: 1.5rem;
  color: var(--gold);
  line-height: 1;
}

.page-faq .faq-figure-text {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(245, 242, 234, 0.78);
}

.page-faq .faq-hero-note {
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-gold);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--celadon);
}

/* ---------- 分类 ---------- */

.page-faq .faq-cats {
  background: var(--paper);
  border-top: 1px solid var(--line-ink);
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .faq-cats-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-ink);
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) 1.4rem;
  align-items: start;
  gap: 0.35rem 0.85rem;
  padding: 1rem 0.25rem 1rem 0;
  text-decoration: none;
  color: var(--graphite);
  border-bottom: 1px solid var(--line-ink);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-bottom-color: var(--gold);
  background: rgba(245, 242, 234, 0.72);
  padding-left: 0.55rem;
}

.page-faq .faq-cat-index {
  font-size: 1rem;
  color: var(--gold);
  line-height: 1.6;
}

.page-faq .faq-cat-body {
  display: block;
}

.page-faq .faq-cat-name {
  display: block;
  font-family: var(--serif);
  font-size: 1.08rem;
  color: var(--ink);
  line-height: 1.5;
}

.page-faq .faq-cat-desc {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-faq .faq-cat-go {
  font-family: var(--mono);
  color: var(--jade);
  line-height: 1.6;
}

.page-faq .faq-cat:hover .faq-cat-go,
.page-faq .faq-cat:focus-visible .faq-cat-go {
  color: var(--amber);
}

.page-faq .faq-cats-side {
  display: grid;
  gap: 1rem;
}

.page-faq .faq-side-figure {
  margin: 0;
  border: 1px solid var(--line-ink);
  overflow: hidden;
  background: var(--navy);
}

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

.page-faq .faq-side-card {
  border-left: 3px solid var(--jade);
  background: var(--mist);
  padding: 1.1rem 1.15rem;
}

.page-faq .faq-side-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
  margin: 0 0 0.75rem;
}

.page-faq .faq-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  font-size: 0.86rem;
  line-height: 1.75;
}

.page-faq .faq-side-key {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.1rem 0.45rem;
  font-size: 0.75rem;
  color: var(--ink);
  background: rgba(111, 175, 158, 0.28);
}

/* ---------- 步骤 ---------- */

.page-faq .faq-steps-sec {
  background: var(--ink);
  color: var(--mist);
  position: relative;
}

.page-faq .faq-steps-sec::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.page-faq .faq-head--on-dark .faq-title {
  color: var(--mist);
}

.page-faq .faq-head--on-dark .faq-head-note {
  color: rgba(245, 242, 234, 0.74);
}

.page-faq .faq-head--on-dark .section-index {
  color: var(--gold);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(201, 162, 74, 0.28);
  border: 1px solid rgba(201, 162, 74, 0.28);
}

.page-faq .faq-step {
  background: var(--ink);
  padding: 1.35rem 1.15rem 1.5rem;
  border-top: 2px solid var(--line-gold);
  transition: background 0.2s var(--ease), border-top-color 0.2s var(--ease);
}

.page-faq .faq-step:target {
  background: rgba(201, 162, 74, 0.13);
  border-top-color: var(--amber);
}

.page-faq .faq-step-num {
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.page-faq .faq-step-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--mist);
  margin: 0 0 0.5rem;
}

.page-faq .faq-step-text {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.76);
}

.page-faq .faq-steps-foot {
  margin: 1.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.7);
}

.page-faq .faq-steps-sec .faq-inline-link {
  color: var(--gold);
  border-bottom-color: rgba(201, 162, 74, 0.5);
}

.page-faq .faq-steps-sec .faq-inline-link:hover,
.page-faq .faq-steps-sec .faq-inline-link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 文档摘要 ---------- */

.page-faq .faq-docs-sec {
  background: var(--mist);
}

.page-faq .faq-doc-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-faq .faq-doc {
  background: #fff;
  border: 1px solid var(--line-ink);
  padding: 1.1rem 1.15rem 1.2rem;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-doc:hover {
  border-color: var(--gold);
  background: var(--paper);
}

.page-faq .faq-doc-tag {
  display: inline-block;
  margin: 0 0 0.55rem;
  padding: 0.15rem 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: var(--navy);
}

.page-faq .faq-doc-tag--jade {
  color: var(--ink);
  background: var(--jade);
}

.page-faq .faq-doc-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.06rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 0.45rem;
}

.page-faq .faq-doc-text {
  margin: 0 0 0.85rem;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  margin: 0;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--line-ink);
  font-size: 0.8rem;
}

.page-faq .faq-doc-meta div {
  display: flex;
  gap: 0.4rem;
  align-items: baseline;
}

.page-faq .faq-doc-meta dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--jade);
}

.page-faq .faq-doc-meta dd {
  margin: 0;
  color: var(--graphite);
}

/* ---------- 平板指南 ---------- */

.page-faq .faq-tablet-sec {
  background: linear-gradient(175deg, var(--navy) 0%, var(--ink) 100%);
  color: var(--mist);
}

.page-faq .faq-tablet-intro {
  max-width: 62ch;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-index--gold {
  color: var(--gold);
}

.page-faq .faq-tablet-sec .faq-title {
  color: var(--mist);
}

.page-faq .faq-tablet-lede {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(245, 242, 234, 0.78);
}

.page-faq .faq-tablet-figure {
  margin: 0 0 1.5rem;
  border: 1px solid var(--line-gold);
  background: var(--ink-deep);
  overflow: hidden;
}

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

.page-faq .faq-tablet-figure .media-caption {
  display: block;
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--celadon);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-deck {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 82%);
  gap: 0.9rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-deck::-webkit-scrollbar {
  height: 6px;
}

.page-faq .faq-deck::-webkit-scrollbar-thumb {
  background: var(--gold);
}

.page-faq .faq-card {
  scroll-snap-align: start;
  border: 1px solid var(--line-gold);
  background: rgba(11, 31, 51, 0.78);
  padding: 1.2rem 1.15rem 1.35rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-card:hover {
  border-color: var(--amber);
  background: rgba(18, 46, 74, 0.92);
}

.page-faq .faq-card-num {
  display: block;
  font-size: 1.15rem;
  color: var(--jade);
  margin-bottom: 0.6rem;
}

.page-faq .faq-card-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--mist);
  margin: 0 0 0.45rem;
}

.page-faq .faq-card-text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.75);
}

/* ---------- 常见问题 ---------- */

.page-faq .faq-qa-sec {
  background: var(--mist);
}

.page-faq .faq-qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-qa-aside {
  border-top: 3px solid var(--gold);
  padding-top: 1rem;
}

.page-faq .faq-qa-note {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 40ch;
}

.page-faq .faq-qa-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-faq .faq-qa-list {
  border-top: 1px solid var(--line-ink);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-ink);
  background: transparent;
  transition: background 0.18s var(--ease);
}

.page-faq .faq-item[open] {
  background: #fff;
}

.page-faq .faq-q {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 1.05rem 2.9rem 1.05rem 0.9rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink);
  min-height: 44px;
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-q::after {
  content: "+";
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--gold);
  line-height: 1;
}

.page-faq .faq-item[open] .faq-q::after {
  content: "–";
  color: var(--amber);
}

.page-faq .faq-q:hover,
.page-faq .faq-q:focus-visible {
  color: var(--amber);
}

.page-faq .faq-item[open] .faq-q {
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .faq-a {
  padding: 0.9rem 0.9rem 1.1rem;
  border-left: 2px solid var(--jade);
  margin: 0.9rem 0.9rem 1.1rem;
  padding-top: 0;
  padding-bottom: 0;
  font-size: 0.89rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .faq-a p {
  margin: 0 0 0.6rem;
}

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

/* ---------- 下一步 ---------- */

.page-faq .faq-next {
  background: var(--paper);
  border-top: 1px solid var(--line-ink);
}

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

.page-faq .faq-next-card {
  display: block;
  text-decoration: none;
  color: var(--graphite);
  background: var(--mist);
  border: 1px solid var(--line-ink);
  border-left: 3px solid var(--jade);
  padding: 1.3rem 1.2rem 1.4rem;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: border-left-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-next-card:hover,
.page-faq .faq-next-card:focus-visible {
  border-left-color: var(--amber);
  background: #fff;
}

.page-faq .faq-next-kicker {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.page-faq .faq-next-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ink);
  margin: 0 0 0.55rem;
}

.page-faq .faq-next-text {
  margin: 0 0 0.9rem;
  font-size: 0.87rem;
  line-height: 1.8;
}

.page-faq .faq-next-go {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 0.1rem;
}

.page-faq .faq-next-card:hover .faq-next-go,
.page-faq .faq-next-card:focus-visible .faq-next-go {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-faq .faq-next-foot {
  margin: 1.5rem 0 0;
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-cats-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }

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

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

  .page-faq .faq-deck {
    grid-auto-columns: minmax(250px, 46%);
  }

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

  .page-faq .faq-cat {
    grid-template-columns: 2.4rem minmax(0, 1fr) 1.4rem;
    align-items: baseline;
    padding: 1.05rem 0.35rem 1.05rem 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: clamp(2rem, 4vw, 4rem);
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-step {
    padding: 1.6rem 1.3rem 1.8rem;
  }

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

  .page-faq .faq-doc-list .faq-doc:first-child {
    grid-column: span 2;
  }

  .page-faq .faq-qa-grid {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-faq .faq-qa-aside {
    position: sticky;
    top: 6rem;
  }

  .page-faq .faq-deck {
    grid-auto-columns: minmax(260px, 27%);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
<<<PAGE_CSS_END>>>
</main>