.page-faq {
  --faq-gap: 56px;
  display: block;
  padding-bottom: 80px;
  color: var(--paper);
  background-color: var(--ink);
  background-image: linear-gradient(to right, rgba(36, 64, 90, 0.26) 1px, transparent 1px);
  background-size: 88px 100%;
  background-position: 0 0;
}

.page-faq .shell {
  padding-left: var(--shell-pad);
  padding-right: var(--shell-pad);
}

.page-faq .mono {
  font-family: var(--font-mono);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--tin);
}

.page-faq .breadcrumbs__item {
  color: var(--tin);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-head {
  display: grid;
  gap: 30px;
  padding: 26px 0 52px;
  border-bottom: 1px solid var(--blue-line);
}

.page-faq .faq-head__body {
  min-width: 0;
  max-width: 60ch;
}

.page-faq .faq-head__index {
  display: inline-block;
  margin: 0 0 18px;
  padding: 4px 10px;
  border: 1px solid var(--blue-line);
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .faq-head__title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 7.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-head__lead {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: var(--tin);
}

.page-faq .faq-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-head__figure {
  margin: 0;
  border: 3px solid var(--blue-line);
  background: var(--ink-panel);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-head__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 分类标签 ---------- */
.page-faq .faq-cats {
  padding: 44px 0 8px;
}

.page-faq .faq-cats__head {
  margin-bottom: 24px;
}

.page-faq .faq-cats__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.2vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-cats__note {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--tin);
}

.page-faq .cat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .cat-grid__item {
  min-width: 0;
}

.page-faq .cat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 76px;
  padding: 12px 14px;
  border: 2px solid var(--blue-line);
  background: var(--ink-panel);
  color: var(--paper);
  text-decoration: none;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease),
    box-shadow 160ms var(--ease);
}

.page-faq .cat__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--tin);
}

.page-faq .cat__label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-faq .cat__flag {
  align-self: flex-start;
  margin-top: auto;
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #ffffff;
}

.page-faq .cat:hover,
.page-faq .cat:focus-visible {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: var(--shadow-hard-sm);
}

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

.page-faq .cat--fee {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  color: #ffffff;
}

.page-faq .cat--fee .cat__num {
  color: #ffffff;
  opacity: 0.85;
}

.page-faq .cat--fee:hover,
.page-faq .cat--fee:focus-visible {
  border-color: var(--cinnabar-light);
  background: #a82f22;
}

/* ---------- 收费说明速览 ---------- */
.page-faq .faq-fee {
  margin-top: 48px;
  padding: 42px 0;
  background: var(--paper);
  color: var(--ink);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
}

.page-faq .fee-grid {
  display: grid;
  gap: 32px;
}

.page-faq .fee-copy {
  min-width: 0;
}

.page-faq .fee-kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cinnabar);
}

.page-faq .fee-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.1rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .fee-lead {
  margin: 0 0 8px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: #33475c;
}

.page-faq .fee-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .fee-list li {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px dashed var(--paper-edge);
}

.page-faq .fee-list li:last-child {
  border-bottom: 1px dashed var(--paper-edge);
}

.page-faq .fee-list__key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cinnabar);
}

.page-faq .fee-list__val {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .fee-more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: #33475c;
}

.page-faq .faq-fee .text-link {
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-fee .text-link:hover,
.page-faq .faq-fee .text-link:focus-visible {
  color: var(--ink);
}

.page-faq .fee-figure {
  margin: 0;
  border: 3px solid var(--ink);
  background: var(--paper-edge);
  box-shadow: var(--shadow-hard);
}

.page-faq .fee-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

.page-faq .fee-figure__cap {
  padding: 9px 12px;
  border-top: 1px solid var(--ink);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-qa {
  padding-top: 56px;
}

.page-faq .qa-group {
  scroll-margin-top: 24px;
}

.page-faq .qa-group + .qa-group {
  margin-top: var(--faq-gap);
}

.page-faq .qa-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 11px 15px;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .qa-group__index {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cinnabar);
}

.page-faq .qa-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.12rem, 3.4vw, 1.4rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .qa-group__lead {
  margin: 12px 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--tin);
}

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

.page-faq .qa {
  border-bottom: 1px solid var(--blue-line);
  border-left: 3px solid transparent;
  transition: border-left-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--amber);
  background: var(--ink-panel);
}

.page-faq .qa__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 14px;
  list-style: none;
  cursor: pointer;
  transition: background-color 160ms var(--ease);
}

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

.page-faq .qa__summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
}

.page-faq .qa[open] .qa__summary::after {
  content: "−";
}

.page-faq .qa__summary:hover {
  background: rgba(22, 41, 61, 0.7);
}

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

.page-faq .qa__code {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--tin);
  transition: color 160ms var(--ease);
}

.page-faq .qa[open] .qa__code {
  color: var(--amber);
}

.page-faq .qa__q {
  min-width: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .qa__body {
  padding: 0 16px 20px 16px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--tin);
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-support {
  margin-top: 76px;
  padding-top: 40px;
  border-top: 3px solid var(--blue-line);
  scroll-margin-top: 24px;
}

.page-faq .support-kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .support-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .support-lead {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--tin);
}

.page-faq .support-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-faq .support-card {
  min-width: 0;
  padding: 16px 16px 18px;
  background: var(--ink-panel);
  border: 2px solid var(--blue-line);
  border-top: 3px solid var(--cinnabar);
}

.page-faq .support-card__key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tin);
}

.page-faq .support-card__val {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
  color: var(--amber-bright);
}

.page-faq .support-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--tin);
}

.page-faq .support-tip {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--tin);
}

.page-faq .faq-support .text-link {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-support .text-link:hover,
.page-faq .faq-support .text-link:focus-visible {
  color: var(--amber-bright);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__summary {
    gap: 16px;
    padding: 18px 18px;
  }

  .page-faq .qa__body {
    padding: 0 18px 22px 45px;
  }

  .page-faq .qa__q {
    font-size: 15.5px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
    padding: 34px 0 60px;
  }

  .page-faq .faq-head__figure {
    margin-top: 6px;
  }

  .page-faq .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .cat {
    min-height: 88px;
    padding: 14px 16px;
  }

  .page-faq .cat__label {
    font-size: 15px;
  }

  .page-faq .fee-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .fee-list li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-faq .fee-figure img {
    aspect-ratio: 4 / 5;
  }

  .page-faq .fee-figure {
    position: sticky;
    top: 28px;
  }

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

  .page-faq .faq-support {
    margin-top: 96px;
  }

  .page-faq .qa-group + .qa-group {
    margin-top: 64px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-qa {
    padding-top: 68px;
  }

  .page-faq .qa__body {
    padding-left: 49px;
    padding-right: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .cat,
  .page-faq .qa,
  .page-faq .qa__summary,
  .page-faq .qa__code {
    transition: none;
  }

  .page-faq .cat:hover {
    transform: none;
  }
}
<<<END>>>