.page-faq {
  --faq-gap: clamp(1.5rem, 3.5vw, 2.6rem);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(1.25rem, 3vw, 2.25rem);
  background: linear-gradient(180deg, rgba(242, 184, 75, 0.07), transparent 78%);
  border-bottom: 1px solid var(--line);
}

.page-faq .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 1.1rem;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

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

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--amber);
}

.page-faq .breadcrumb a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-hero h1 {
  margin: 0.55rem 0 0.9rem;
  font-size: clamp(1.85rem, 5.2vw, 3.1rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-faq .faq-hero__lead p {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .hero-track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 0.6rem;
  border-radius: var(--radius);
}

.page-faq .hero-track__node {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .hero-track__node:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
  background: var(--raise);
}

.page-faq .hero-track__node:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-faq .hero-track__num {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .hero-track__name {
  font-weight: 700;
  font-size: 1rem;
}

.page-faq .hero-track__hint {
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--muted);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2.5rem;
    align-items: end;
  }
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 1rem;
  padding-top: clamp(1.25rem, 3vw, 2.5rem);
}

.page-faq .faq-toc__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-faq .faq-toc__list {
  list-style: none;
  display: flex;
  gap: 0.35rem;
  margin: 0;
  padding: 0 0 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc__list a {
  display: block;
  flex: 0 0 auto;
  padding: 0.45rem 0.7rem;
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  font-size: 0.86rem;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc__list a:hover {
  color: var(--text);
  border-left-color: var(--amber);
  background: var(--glass);
}

.page-faq .faq-toc__list a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 2rem;
  }

  .page-faq .faq-toc__list {
    display: grid;
    gap: 0.1rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__list a {
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 0.5rem 0 0.5rem 0.85rem;
    white-space: normal;
    line-height: 1.45;
  }
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  padding: clamp(1.6rem, 3.5vw, 2.6rem) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-body > .faq-block:first-child {
  border-top: 0;
  padding-top: 0.5rem;
}

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
  margin-bottom: 1rem;
}

.page-faq .faq-block__num {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-block h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-faq .faq-block > p {
  margin: 0 0 1rem;
  max-width: 68ch;
  line-height: 1.78;
}

.page-faq .faq-note {
  margin: 1rem 0 0;
  max-width: 68ch;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .inline-link {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 184, 75, 0.45);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .inline-link:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-faq .inline-link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- 折叠通用 ---------- */
.page-faq details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.8rem;
  padding: 0.85rem 1rem;
}

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

.page-faq details > summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

/* ---------- 文档卡 ---------- */
.page-faq .doc-list {
  display: grid;
  gap: 0.55rem;
}

.page-faq .doc-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .doc-card:hover {
  border-color: rgba(242, 184, 75, 0.5);
}

.page-faq .doc-card[open] {
  background: var(--raise);
  border-color: var(--amber);
}

.page-faq .doc-card > summary {
  padding-left: 0.9rem;
  padding-right: 0.9rem;
}

.page-faq .doc-card > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--amber);
}

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

.page-faq .doc-card__num {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .doc-card__title {
  flex: 1 1 12ch;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
}

.page-faq .doc-card__meta {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .doc-card__body {
  padding: 0 0.9rem 0.9rem;
}

.page-faq .doc-card__body p {
  margin: 0 0 0.6rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .doc-card__link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--amber);
  text-decoration: none;
}

.page-faq .doc-card__link:hover {
  color: var(--signal);
}

.page-faq .doc-card__link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 1.1rem 0 1.4rem;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-faq .faq-media--narrow {
  max-width: 520px;
}

.page-faq .media__caption {
  margin-top: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 四步排查 ---------- */
.page-faq .step-list {
  display: grid;
  gap: 0.6rem;
  margin-left: 0.35rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}

.page-faq .step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .step::before {
  content: "";
  position: absolute;
  left: calc(-1.5rem - 4px);
  top: 1.05rem;
  width: 7px;
  height: 7px;
  background: var(--panel);
  border: 1px solid var(--amber);
}

.page-faq .step:hover {
  transform: translateY(-2px);
  border-color: rgba(242, 184, 75, 0.5);
}

.page-faq .step[open] {
  background: var(--raise);
  border-color: var(--amber);
}

.page-faq .step[open]::before {
  background: var(--amber);
}

.page-faq .step > summary {
  padding: 0.8rem 0.9rem;
}

.page-faq .step__num {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .step__name {
  flex: 1 1 14ch;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.5;
}

.page-faq .step__text {
  margin: 0;
  padding: 0 0.9rem 0.95rem;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--text);
}

/* ---------- 中文指南章节 ---------- */
.page-faq .chapter-list {
  display: grid;
  gap: 0.5rem;
}

.page-faq .chapter {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .chapter:hover {
  border-color: rgba(53, 196, 160, 0.5);
}

.page-faq .chapter[open] {
  background: var(--raise);
  border-color: var(--teal);
}

.page-faq .chapter > summary {
  padding: 0.75rem 0.9rem;
}

.page-faq .chapter__num {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-faq .chapter h3 {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .chapter p {
  margin: 0;
  padding: 0 0.9rem 0.85rem;
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-faq .chapter-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 0.5rem;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  background: var(--panel);
  transition: background 0.2s var(--ease);
}

.page-faq .qa[open] {
  background: var(--raise);
}

.page-faq .qa > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--teal);
}

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

.page-faq .qa h3 {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.55;
  flex: 1 1 16ch;
}

.page-faq .qa p {
  margin: 0;
  padding: 0 1rem 0.9rem;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--text);
}

/* ---------- 状态表 ---------- */
.page-faq .status-wrap {
  margin-top: 1.2rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-faq .status-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-faq .status-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0.7rem 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .status-table th,
.page-faq .status-table td {
  padding: 0.8rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.page-faq .status-table thead th {
  background: var(--raise);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  font-weight: 500;
  color: var(--muted);
}

.page-faq .status-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .status-table tbody tr:hover td {
  background: rgba(215, 226, 234, 0.04);
}

/* ---------- 联系支持 ---------- */
.page-faq .support {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.1rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--raise), var(--panel) 72%);
}

.page-faq .support__main p {
  margin: 0;
  max-width: 60ch;
  line-height: 1.78;
}

.page-faq .support__lines {
  list-style: none;
  display: grid;
  gap: 0.3rem;
  margin: 0.85rem 0 0;
  padding: 0;
  font-size: 0.88rem;
  color: var(--text);
}

.page-faq .support__lines .mono {
  display: inline-block;
  min-width: 2.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-content: start;
}

@media (min-width: 720px) {
  .page-faq .support {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}
<<<END>>>