.page-faq {
  --faq-aside-w: 288px;
  --faq-gap: clamp(1.25rem, 3vw, 2rem);
  background:
    radial-gradient(920px 520px at 84% -10%, rgba(0, 229, 195, 0.09), transparent 62%),
    radial-gradient(700px 420px at 6% 12%, rgba(255, 122, 26, 0.06), transparent 60%),
    var(--bg);
  color: var(--paper);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-faq .breadcrumbs {
  padding-top: clamp(1rem, 3vw, 1.75rem);
  font-size: 0.8125rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

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

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.25rem, 3.5vw, 2.25rem) 0 clamp(1.75rem, 5vw, 3rem);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-faq .faq-hero-copy .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.9rem;
}

.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.4vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .lede {
  font-size: clamp(0.9375rem, 2.4vw, 1.0625rem);
  line-height: 1.8;
  color: var(--muted);
  max-width: 46ch;
  margin: 0 0 1.5rem;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.page-faq .faq-hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
}

.page-faq .faq-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-left: 2px solid var(--line);
  padding-left: 0.75rem;
}

.page-faq .faq-fact-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .faq-hero-facts li span:last-child {
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}

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

/* ---------- 分类胶囊 ---------- */
.page-faq .faq-cats {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0 0 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: var(--faq-gap);
  scrollbar-width: thin;
}

.page-faq .faq-cat {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(15, 81, 60, 0.5);
  color: var(--paper);
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

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

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

/* ---------- 主体版式 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

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

.page-faq .faq-section {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line-soft);
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
  scroll-margin-top: 6rem;
}

.page-faq .faq-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-section .index-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.6rem;
}

.page-faq .faq-section .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 0.75rem;
  color: var(--paper);
}

.page-faq .faq-lead {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 60ch;
  margin: 0 0 1.5rem;
}

.page-faq .faq-paragraph {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.85;
  max-width: 66ch;
  margin: 1.5rem 0 0;
}

.page-faq .faq-sub-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  margin: 1.75rem 0 0.85rem;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-rail {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 0 1rem;
  opacity: 0.9;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}

.page-faq .faq-steps li {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.2rem;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-steps li:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 0.45rem;
}

.page-faq .faq-steps h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 0.4rem;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 订阅管理 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 0.875rem;
}

.page-faq .faq-panel {
  padding: 1.2rem 1.25rem;
  border-radius: var(--radius-md);
}

.page-faq .faq-panel--accent {
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.page-faq .faq-panel-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 0.6rem;
}

.page-faq .faq-panel p {
  margin: 0 0 0.7rem;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-faq .faq-check-list {
  list-style: none;
  margin: 0 0 0.6rem;
  padding: 0;
}

.page-faq .faq-check-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--paper);
}

.page-faq .faq-check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-note {
  font-size: 0.8125rem;
  color: var(--sand);
  margin: 0;
  line-height: 1.7;
}

.page-faq .faq-callout {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 195, 0.05);
}

.page-faq .faq-callout p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-callout .status-dot {
  margin-top: 0.5rem;
  flex: 0 0 auto;
}

.page-faq .faq-callout--warn {
  border-left-color: var(--orange);
  background: rgba(255, 122, 26, 0.06);
}

.page-faq .faq-warn-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  margin-top: 0.5rem;
}

/* ---------- 导出 ---------- */
.page-faq .faq-formats {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-format {
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  transition: border-color 0.18s ease;
}

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

.page-faq .faq-format-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--bg);
  background: var(--cyan);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.5rem;
  margin-bottom: 0.6rem;
}

.page-faq .faq-format h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 0.4rem;
}

.page-faq .faq-format p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-export-media {
  margin: 0 0 1.5rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-export-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-faq .faq-export-media figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--line-soft);
  vertical-align: top;
  color: var(--muted);
  line-height: 1.6;
}

.page-faq .faq-table thead th {
  border-top: 0;
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sand);
  font-weight: 500;
}

.page-faq .faq-table .faq-field {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--cyan-soft);
  font-weight: 500;
  white-space: nowrap;
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(0, 229, 195, 0.06);
}

/* ---------- 数据说明 ---------- */
.page-faq .faq-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-notes li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
}

.page-faq .faq-note-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--cyan);
  min-width: 3.2rem;
}

.page-faq .faq-notes h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 0.35rem;
}

.page-faq .faq-notes p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-group {
  margin-bottom: 1.75rem;
}

.page-faq .faq-group-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand);
  margin: 0 0 0.35rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item {
  background: rgba(11, 61, 46, 0.55);
  border: 1px solid var(--line-soft);
  border-left: 3px solid transparent;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--line);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: rgba(15, 81, 60, 0.6);
}

.page-faq .faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 0.85rem 2.5rem 0.85rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-answer {
  margin: 0;
  padding: 0 1.25rem 0.95rem 1rem;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 64ch;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: clamp(1.25rem, 4vw, 2rem);
}

.page-faq .faq-contact-copy p {
  margin: 0 0 0.85rem;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 52ch;
}

.page-faq .faq-contact-list {
  margin: 0;
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-faq .faq-contact-list > div {
  border-left: 2px solid var(--line);
  padding-left: 0.85rem;
}

.page-faq .faq-contact-list dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sand);
  margin-bottom: 0.2rem;
}

.page-faq .faq-contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--cyan);
  word-break: break-word;
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-aside {
  display: grid;
  gap: 0.875rem;
  min-width: 0;
}

.page-faq .faq-aside-card {
  border-radius: var(--radius-md);
  padding: 1.1rem 1.15rem;
}

.page-faq .faq-aside-card .index-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.6rem;
}

.page-faq .faq-aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-faq .faq-aside-list a {
  display: block;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--paper);
  text-decoration: none;
  padding: 0.3rem 0 0.3rem 0.85rem;
  border-left: 2px solid var(--line-soft);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-aside-list a:hover {
  border-left-color: var(--cyan);
  color: var(--cyan-soft);
}

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

.page-faq .faq-aside-note {
  border-radius: var(--radius-md);
  padding: 1.1rem 1.15rem;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.page-faq .faq-aside-note .index-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-soft);
  margin: 0 0 0.5rem;
}

.page-faq .faq-aside-note p:last-child {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-formats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 2rem;
  }
  .page-faq .faq-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-cats {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-steps li {
    padding: 1.15rem 1rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) var(--faq-aside-w);
    align-items: start;
    gap: clamp(2rem, 3.5vw, 3rem);
  }
  .page-faq .faq-aside {
    position: sticky;
    top: 6.5rem;
  }
  .page-faq .faq-note-num {
    font-size: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-steps li,
  .page-faq .faq-format,
  .page-faq .faq-item,
  .page-faq .faq-cat,
  .page-faq .faq-aside-list a {
    transition: none;
  }
  .page-faq .faq-steps li:hover {
    transform: none;
  }
}
<<<END>>>