.page-faq {
  --faq-line-soft: rgba(124, 139, 161, 0.18);
  color: var(--ice);
  background: var(--field);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-faq a {
  color: inherit;
  text-decoration: none;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .breadcrumb a {
  color: var(--steel);
  transition: color 0.2s var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.75rem, 4vw, 2.75rem) clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(130% 110% at 100% 0%, rgba(255, 106, 26, 0.22), transparent 58%),
    linear-gradient(158deg, var(--field) 0%, var(--field) 60%, #10233f 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -16%;
  bottom: -38%;
  width: 64%;
  height: 96%;
  background: linear-gradient(150deg, rgba(43, 232, 176, 0.11), transparent 62%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__inner .breadcrumb {
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.6vw, 3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 1rem;
  max-width: 20ch;
  color: var(--ice);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  color: rgba(244, 247, 251, 0.82);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border-radius: var(--radius-organic);
  overflow: hidden;
}

.page-faq .faq-hero__stats > div {
  padding: 14px 12px;
  background: rgba(11, 27, 51, 0.78);
}

.page-faq .faq-hero__stats dt {
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: rgba(244, 247, 251, 0.82);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__num {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--cyan);
  margin-right: 2px;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-band {
  position: relative;
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
}

.page-faq .faq-section-head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-faq .faq-section-head h2 {
  margin: 0.35rem 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ice);
}

.page-faq .faq-section-head p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--steel);
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  border-bottom: 1px solid rgba(43, 232, 176, 0.4);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--ice);
  border-color: var(--ice);
}

/* ---------- 01 分类索引 ---------- */
.page-faq .faq-topic-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-topic-grid > li:nth-child(odd) {
  --accent: var(--orange);
  --accent-soft: rgba(255, 106, 26, 0.13);
  --accent-edge: rgba(255, 106, 26, 0.42);
}

.page-faq .faq-topic-grid > li:nth-child(even) {
  --accent: var(--cyan);
  --accent-soft: rgba(43, 232, 176, 0.13);
  --accent-edge: rgba(43, 232, 176, 0.42);
}

.page-faq .faq-topic {
  display: flex;
  gap: 14px;
  height: 100%;
  padding: 20px 20px 18px;
  border-radius: var(--radius-organic);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--panel), rgba(22, 48, 90, 0.42));
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-topic:hover,
.page-faq .faq-topic:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent-edge);
  background: linear-gradient(150deg, var(--panel), rgba(22, 48, 90, 0.7));
}

.page-faq .faq-topic__tag {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px 14px 6px 14px;
  border: 1px solid var(--accent-edge);
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-topic__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-topic__body strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  color: var(--ice);
}

.page-faq .faq-topic__desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .faq-topic__count {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

/* ---------- 02 五步图解 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem);
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step:nth-child(even) .faq-step__num {
  color: var(--cyan);
}

.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  color: var(--ice);
}

.page-faq .faq-step__body p {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  color: rgba(244, 247, 251, 0.78);
}

.page-faq .faq-fold {
  padding-top: 8px;
  border-top: 1px dashed var(--faq-line-soft);
}

.page-faq .faq-fold summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cyan);
}

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

.page-faq .faq-fold summary::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  background: currentColor;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-fold[open] summary::before {
  transform: rotate(90deg);
}

.page-faq .faq-fold p {
  margin: 8px 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 03 数据与排名 ---------- */
.page-faq .faq-reading {
  background: linear-gradient(180deg, rgba(22, 48, 90, 0.28), transparent 70%);
}

.page-faq .faq-read-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-read {
  padding: 20px 18px;
  border-radius: var(--radius-organic-alt);
  background: var(--panel);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-read:nth-child(even) {
  border-left-color: var(--orange);
}

.page-faq .faq-read__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-read__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-read:nth-child(even) .faq-read__value {
  color: var(--orange);
}

.page-faq .faq-read p:last-child {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.76);
}

/* ---------- 04 故障排查 ---------- */
.page-faq .faq-troubleshoot__visual {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-troubleshoot__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  background: rgba(22, 48, 90, 0.36);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-faq .faq-table caption {
  padding: 14px 18px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table thead th {
  padding: 12px 18px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--steel);
  background: rgba(11, 27, 51, 0.64);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table tbody th,
.page-faq .faq-table tbody td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table tbody th {
  width: 22%;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9375rem;
  color: var(--orange);
}

.page-faq .faq-table tbody td {
  font-size: 0.875rem;
  color: rgba(244, 247, 251, 0.8);
}

.page-faq .faq-table tbody td:last-child {
  color: var(--cyan);
}

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

/* ---------- 05 提醒设置（浅色分区） ---------- */
.page-faq .faq-notify .faq-section-head h2 {
  color: var(--field);
}

.page-faq .faq-notify .faq-section-head p {
  color: #4a5b70;
}

.page-faq .faq-notify .eyebrow {
  color: var(--teal);
}

.page-faq .faq-notify-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-notify-item {
  padding: 20px 18px;
  border-radius: var(--radius-organic);
  background: #ffffff;
  border: 1px solid rgba(11, 27, 51, 0.1);
  box-shadow: 0 2px 0 rgba(11, 27, 51, 0.04);
}

.page-faq .faq-notify-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--field);
}

.page-faq .faq-notify-item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #46586d;
}

/* ---------- 06 人工支持 ---------- */
.page-faq .faq-support__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-radius: var(--radius-organic);
  border: 1px solid var(--line-strong);
  background: linear-gradient(145deg, var(--panel), rgba(6, 13, 24, 0.92));
}

.page-faq .faq-support__copy h2 {
  margin: 0.35rem 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ice);
}

.page-faq .faq-support__copy p {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(244, 247, 251, 0.78);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.25rem;
}

.page-faq .faq-support__meta {
  margin: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--radius-organic-alt);
  background: var(--line);
  overflow: hidden;
}

.page-faq .faq-support__meta > div {
  padding: 14px 16px;
  background: rgba(6, 13, 24, 0.62);
}

.page-faq .faq-support__meta dt {
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-support__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ice);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-hero__stats > div {
    padding: 16px 14px;
  }

  .page-faq .faq-hero__stats dd {
    font-size: 1.0625rem;
  }

  .page-faq .faq-hero__num {
    font-size: 1.5rem;
  }

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

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

@media (min-width: 760px) {
  .page-faq .faq-topic-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-topic-grid > li:nth-child(1) {
    grid-column: span 5;
  }

  .page-faq .faq-topic-grid > li:nth-child(2) {
    grid-column: span 7;
  }

  .page-faq .faq-topic-grid > li:nth-child(3) {
    grid-column: span 7;
  }

  .page-faq .faq-topic-grid > li:nth-child(4) {
    grid-column: span 5;
  }

  .page-faq .faq-topic-grid > li:nth-child(5) {
    grid-column: span 6;
  }

  .page-faq .faq-topic-grid > li:nth-child(6) {
    grid-column: span 6;
  }

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

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

@media (min-width: 940px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-split__aside {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-support__card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 1060px) {
  .page-faq .faq-read-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-topic,
  .page-faq .faq-fold summary::before,
  .page-faq .faq-inline-link,
  .page-faq .breadcrumb a {
    transition: none;
  }

  .page-faq .faq-topic:hover,
  .page-faq .faq-topic:focus-visible {
    transform: none;
  }
}