.page-faq {
  --faq-paper-edge: rgba(42, 27, 18, 0.22);
  --faq-cream-line: rgba(42, 27, 18, 0.14);
  --faq-teal-deep: #0a6b56;
  --faq-amber-deep: #8f6512;
  color: var(--paper);
  background:
    linear-gradient(180deg, rgba(12, 43, 36, 0.92) 0, rgba(6, 26, 22, 0) 620px),
    var(--ink);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq a {
  color: var(--cyan);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-faq .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-faq .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
  align-items: stretch;
}

.page-faq .faq-hero__copy {
  position: relative;
  padding: clamp(20px, 4vw, 44px) clamp(18px, 3.5vw, 40px);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(53, 242, 194, 0.06) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(53, 242, 194, 0.06) 0 1px, transparent 1px 72px),
    linear-gradient(160deg, rgba(12, 43, 36, 0.96), rgba(8, 33, 28, 0.98));
}

.page-faq .faq-hero__copy::before,
.page-faq .faq-hero__copy::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  opacity: 0.8;
}

.page-faq .faq-hero__copy::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__copy::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-faq h1 {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.4vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0 0 22px;
  max-width: 46ch;
  color: var(--paper);
  font-size: 16px;
  line-height: 1.8;
  opacity: 0.86;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

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

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-soft);
  padding-top: 16px;
}

.page-faq .faq-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  font-size: 13px;
}

.page-faq .faq-hero__k {
  font-family: var(--font-serif);
  color: var(--mist);
  min-width: 4.5em;
}

.page-faq .faq-hero__v {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
  min-height: 220px;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.92) contrast(1.02);
}

.page-faq .faq-hero__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: var(--cream);
  color: var(--clay);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.06em;
  box-shadow: 3px -3px 0 rgba(6, 26, 22, 0.55);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  max-width: var(--wrap);
  margin: clamp(28px, 5vw, 56px) auto 0;
  padding-inline: var(--gut);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

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

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  border: 1px solid var(--line-soft);
  background: rgba(12, 43, 36, 0.72);
  padding: 16px;
}

.page-faq .faq-toc__head {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.4;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--cyan);
}

.page-faq .faq-toc__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
}

.page-faq .faq-toc__cta {
  display: inline-block;
  width: 100%;
  text-align: center;
  text-decoration: none;
  font-size: 13px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  scroll-margin-top: 96px;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(44px, 7vw, 80px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .faq-block__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .faq-block h2 {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2.05rem);
  line-height: 1.22;
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-block__head p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 筛选 ---------- */
.page-faq .filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-faq .filter__btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 7px 13px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .filter__btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .filter__btn[aria-pressed="true"] {
  background: var(--ember);
  border-color: var(--ember);
  color: #1a0c06;
  font-weight: 700;
}

.page-faq .faq-count {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-count [data-filter-count] {
  color: var(--cyan);
  font-size: 13px;
}

/* ---------- 奶油纸问答卡 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  background: var(--cream);
  color: var(--clay);
  border: 1px solid var(--faq-paper-edge);
  box-shadow: 4px 4px 0 rgba(6, 26, 22, 0.55);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .qa[hidden] {
  display: none;
}

.page-faq .qa:hover {
  box-shadow: 5px 5px 0 rgba(6, 26, 22, 0.7);
}

.page-faq .qa__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 16px 46px 16px 18px;
  position: relative;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__idx {
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--faq-amber-deep);
}

.page-faq .qa__q {
  flex: 1 1 190px;
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--clay);
}

.page-faq .qa__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  white-space: nowrap;
}

.page-faq .qa__tag--amber {
  color: var(--faq-amber-deep);
}

.page-faq .qa__tag--cyan {
  color: var(--faq-teal-deep);
}

.page-faq .qa__icon {
  position: absolute;
  right: 18px;
  top: 19px;
  width: 14px;
  height: 14px;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  background: var(--clay);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .qa__icon::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .qa__icon::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-faq .qa[open] .qa__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__body {
  margin: 0 18px;
  padding: 12px 0 18px;
  border-top: 1px dashed var(--faq-cream-line);
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.85;
  color: #3d2a1c;
}

.page-faq .qa__body a {
  color: var(--faq-teal-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-3);
  padding: 10px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 数据条 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-faq .faq-stat {
  background: var(--ink-2);
  padding: 16px 14px;
  display: grid;
  gap: 4px;
  align-content: start;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-faq .faq-stat__num small {
  font-size: 0.5em;
  color: var(--mist);
  margin-left: 2px;
}

.page-faq .faq-stat__lbl {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 步骤时间轴 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 0 0 20px 32px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 194, 0.14);
}

.page-faq .faq-steps__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 4px;
}

.page-faq .faq-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 56ch;
}

/* ---------- 提交区块 ---------- */
.page-faq .faq-block--submit .faq-block__head p {
  color: var(--paper);
  opacity: 0.82;
}

.page-faq .faq-contact {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  margin-bottom: 16px;
}

.page-faq .faq-contact__row {
  background: var(--ink-2);
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}

.page-faq .faq-contact__k {
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-contact__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-tip {
  margin: 0 0 20px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-tip a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-block__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

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

  .page-faq .faq-contact__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.06fr 0.94fr;
  }

  .page-faq .faq-hero__figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 340px;
  }

  .page-faq .qa__sum {
    padding: 18px 52px 18px 22px;
    gap: 8px 14px;
  }

  .page-faq .qa__q {
    font-size: 16.5px;
  }

  .page-faq .qa__body {
    margin: 0 22px;
    padding: 14px 0 20px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 92px;
    padding: 18px 16px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-toc__list a {
    border: 0;
    border-left: 1px solid var(--line-soft);
    padding: 8px 10px;
    font-size: 13.5px;
  }

  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    border-left-color: var(--cyan);
    background: var(--cyan-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__icon::before,
  .page-faq .qa__icon::after,
  .page-faq .filter__btn,
  .page-faq .faq-toc__list a {
    transition: none;
  }
}
<<<END>>>