.page-faq {
  --faq-card-gap: 0.875rem;
  padding-bottom: clamp(2rem, 6vw, 4rem);
  font-family: var(--font-body);
  color: var(--ink);
}

.page-faq .breadcrumbs {
  margin: 1.25rem 0 1.5rem;
  font-size: 0.8125rem;
  color: var(--celadon);
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--line);
}

.page-faq .breadcrumbs a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--line-copper);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(0.5rem, 2vw, 1rem) 0 clamp(1.75rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -1.5rem -1rem auto auto;
  width: clamp(120px, 26vw, 260px);
  height: clamp(120px, 26vw, 260px);
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(232, 117, 59, 0.22), rgba(232, 117, 59, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-hero .eyebrow {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--copper);
  margin: 0 0 0.7rem;
}

.page-faq .faq-hero h1 {
  position: relative;
  margin: 0 0 1rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  position: relative;
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--indigo);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.75rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-top: 0.55rem;
  border-top: 2px solid var(--line-copper);
  min-width: 6.5rem;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  color: var(--orange-dark);
}

.page-faq .faq-stat__label {
  font-size: 0.8125rem;
  color: var(--celadon);
}

/* ---------- 版式骨架 ---------- */
.page-faq .faq-shell {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-toc {
  order: -1;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--porcelain);
  padding: 0.85rem 0.95rem;
}

.page-faq .faq-toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 0.45rem;
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0 0 0.3rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--indigo);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}

.page-faq .faq-toc__link:hover {
  border-color: var(--copper);
  background: var(--orange-soft);
}

.page-faq .faq-toc__link[aria-current="true"] {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--porcelain);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--orange-dark);
}

.page-faq .faq-toc__link[aria-current="true"] .faq-toc__num {
  color: var(--orange-soft);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
}

.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--line);
}

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.9rem;
  align-items: start;
  margin-bottom: 1.4rem;
}

.page-faq .faq-section__head .index-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1;
  color: var(--copper);
}

.page-faq .faq-section__title {
  grid-column: 2;
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.7vw, 1.85rem);
  font-weight: 600;
  line-height: 1.28;
  color: var(--ink);
}

.page-faq .faq-section__note {
  grid-column: 2;
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--celadon);
}

/* ---------- 四象限 ---------- */
.page-faq .faq-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-card-gap);
}

.page-faq .faq-quad {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1rem, 2.6vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform var(--dur), box-shadow var(--dur);
}

.page-faq .faq-quad:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-quad--ink {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--porcelain);
}

.page-faq .faq-quad--teal {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--porcelain);
}

.page-faq .faq-quad--orange {
  background: var(--orange-soft);
  border-color: var(--orange-soft);
  color: var(--ink);
}

.page-faq .faq-quad--paper {
  background: var(--porcelain);
  color: var(--ink);
}

.page-faq .faq-quad__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  opacity: 0.85;
}

.page-faq .faq-quad__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 2vw, 1.22rem);
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-quad__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  opacity: 0.92;
}

.page-faq .faq-quad__link {
  margin-top: auto;
  padding-top: 0.6rem;
  align-self: flex-start;
  font-size: 0.875rem;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
}

.page-faq .faq-quad__link:hover {
  color: var(--orange);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.4rem;
}

.page-faq .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}

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

.page-faq .media-frame__note {
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.4rem 0.65rem;
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  background: rgba(251, 248, 242, 0.94);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--indigo);
}

/* ---------- 对照表 ---------- */
.page-faq .record-table {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--porcelain);
}

.page-faq .record-table__head {
  display: none;
}

.page-faq .record-row {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  outline: none;
  transition: background var(--dur), box-shadow var(--dur);
}

.page-faq .record-table__head + .record-row {
  border-top: none;
}

.page-faq .record-row:hover,
.page-faq .record-row:focus,
.page-faq .record-row:focus-within {
  background: rgba(232, 117, 59, 0.09);
  box-shadow: inset 4px 0 0 var(--orange);
}

.page-faq .record-row:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-faq .record-cell {
  padding: clamp(0.9rem, 2.4vw, 1.15rem) clamp(0.9rem, 2.4vw, 1.25rem);
}

.page-faq .record-cell + .record-cell {
  border-top: 1px dashed var(--line);
}

.page-faq .record-cell--label h3 {
  margin: 0.5rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .record-cell--label p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--celadon);
}

.page-faq .record-cell ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-faq .record-cell li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-faq .record-cell li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.6rem;
  height: 2px;
  background: var(--copper);
}

.page-faq .record-hint {
  margin: 1.25rem 0 0;
  padding: 0.9rem clamp(0.9rem, 2.4vw, 1.3rem);
  border-left: 3px solid var(--copper);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--paper);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--indigo);
}

.page-faq .record-hint a,
.page-faq .entry-note a {
  color: var(--orange-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--line-copper);
}

.page-faq .record-hint a:hover,
.page-faq .entry-note a:hover {
  border-bottom-color: var(--orange-dark);
}

/* ---------- iOS 适配清单 ---------- */
.page-faq .ios-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

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

.page-faq .ios-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
}

.page-faq .ios-group {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--porcelain);
  overflow: hidden;
  transition: border-color var(--dur), box-shadow var(--dur);
}

.page-faq .ios-group[open] {
  border-color: var(--line-copper);
  box-shadow: var(--shadow-soft);
}

.page-faq .ios-group__summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

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

.page-faq .ios-group__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--orange);
}

.page-faq .ios-group[open] .ios-group__summary::after {
  content: "−";
}

.page-faq .ios-group__summary:hover {
  background: rgba(232, 117, 59, 0.08);
}

.page-faq .ios-group__count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--celadon);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 0.1rem 0.45rem;
}

.page-faq .ios-items {
  margin: 0;
  padding: 0.85rem 1rem 1rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-top: 1px solid var(--line);
}

.page-faq .ios-item {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.72;
}

.page-faq .ios-item__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.9;
  color: var(--copper);
}

/* ---------- 入口选择 ---------- */
.page-faq .entry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--faq-card-gap);
}

.page-faq .entry-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--porcelain);
  transition: transform var(--dur), box-shadow var(--dur);
}

.page-faq .entry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.page-faq .entry-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .entry-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--celadon);
}

.page-faq .entry-note {
  margin: 1.25rem 0 0;
  max-width: 68ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--indigo);
}

/* ---------- 联系客服 ---------- */
.page-faq .help-block {
  position: relative;
  padding: clamp(1.15rem, 3vw, 1.9rem);
  border-radius: var(--radius-lg);
  background: var(--indigo);
  color: var(--porcelain);
  overflow: hidden;
}

.page-faq .help-block::after {
  content: "";
  position: absolute;
  right: -3rem;
  bottom: -3rem;
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 117, 59, 0.35), rgba(232, 117, 59, 0) 70%);
  pointer-events: none;
}

.page-faq .help-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  list-style: none;
  margin: 0 0 1.35rem;
  padding: 0;
  position: relative;
}

.page-faq .help-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(251, 248, 242, 0.94);
}

.page-faq .help-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  border: 1px solid var(--copper);
}

.page-faq .help-contact {
  display: grid;
  gap: 0.7rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(251, 248, 242, 0.22);
  position: relative;
}

.page-faq .help-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.7rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-faq .help-contact__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--orange-soft);
}

.page-faq .help-contact__row > span:last-of-type {
  min-width: 0;
  word-break: break-word;
}

.page-faq .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.75rem;
  border: 1px solid rgba(251, 248, 242, 0.45);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--porcelain);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: background var(--dur), border-color var(--dur), color var(--dur);
}

.page-faq .copy-btn:hover {
  background: rgba(251, 248, 242, 0.12);
  border-color: var(--orange-soft);
}

.page-faq .copy-btn[data-copied] {
  border-color: var(--orange);
  color: var(--orange-soft);
}

.page-faq .copy-status {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
}

.page-faq .faq-next a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--line-copper);
  padding-bottom: 1px;
}

.page-faq .faq-next a:hover {
  color: var(--orange-dark);
  border-bottom-color: var(--orange-dark);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-faq .record-table__head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .page-faq .record-table__head span {
    padding: 0.7rem clamp(0.9rem, 2.4vw, 1.25rem);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--copper);
  }

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

  .page-faq .record-cell + .record-cell {
    border-top: none;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 880px) {
  .page-faq .ios-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
    gap: 1.75rem;
  }

  .page-faq .faq-figure--tall {
    position: sticky;
    top: 6rem;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 208px;
    gap: clamp(1.5rem, 3.2vw, 3rem);
    align-items: start;
  }

  .page-faq .faq-toc {
    order: 0;
    position: sticky;
    top: 5.5rem;
    padding: 1rem;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__link {
    width: 100%;
    white-space: normal;
    border-radius: var(--radius-sm);
    border-color: transparent;
    background: transparent;
    font-size: 0.8125rem;
    padding: 0.4rem 0.55rem;
  }

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

  .page-faq .faq-toc__link[aria-current="true"]:hover {
    background: var(--indigo);
    border-color: var(--indigo);
  }

  .page-faq .faq-hero h1 {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quad:hover,
  .page-faq .entry-card:hover {
    transform: none;
  }
}
<<<END>>>