.page-faq {
  display: block;
  color: var(--text);
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: 26px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 34px 0 6px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 22px);
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 6.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -.012em;
  font-weight: 900;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}

.page-faq .faq-hero__media::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 2;
  background: linear-gradient(90deg, var(--accent), transparent 72%);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-faq .faq-hero__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(6, 23, 19, .8);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--accent);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 46px;
    align-items: center;
    padding-top: 46px;
  }
}

/* ---------- 主体骨架：索引 + 问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  margin-top: 42px;
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
    margin-top: 56px;
  }
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  padding: 16px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--accent-soft);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-xs) var(--r-xs) 0;
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out),
              background-color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--accent);
  background: rgba(59, 232, 176, .08);
  border-left-color: var(--accent);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--accent-soft);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 108px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 48px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--accent);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 27px);
  font-weight: 800;
  letter-spacing: -.006em;
  line-height: 1.2;
}

.page-faq .faq-group__note {
  margin: 14px 0 4px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  margin: 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  transition: color var(--t-fast) var(--ease-out),
              background-color var(--t-fast) var(--ease-out);
}

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

.page-faq .faq-item__q:hover {
  color: var(--accent);
  background: rgba(59, 232, 176, .05);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: var(--r-xs);
}

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--accent);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
  color: var(--flare);
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  min-width: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--accent-soft);
}

.page-faq .faq-item__a {
  padding: 0 4px 22px 38px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-item__a a {
  color: var(--accent-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--accent);
}

/* ---------- 指标表 ---------- */
.page-faq .faq-table-wrap {
  margin: 4px 0 16px;
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table__caption {
  padding-bottom: 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--accent-soft);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  font-weight: 500;
  color: var(--accent);
}

.page-faq .faq-table tbody th {
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-figure {
  margin: 18px 0 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
}

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

/* ---------- 排查步骤 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  margin: 18px 0 8px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: flex;
  gap: 14px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  flex: 0 0 auto;
  min-width: 24px;
  padding-top: .34em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--accent);
}

/* ---------- 联系信息 ---------- */
.page-faq .faq-contact {
  margin: 18px 0 8px;
  padding: 16px 18px;
  list-style: none;
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
}

.page-faq .faq-contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact b {
  flex: 0 0 auto;
  min-width: 70px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  font-weight: 500;
  color: var(--accent-soft);
}

/* ---------- 准备清单 ---------- */
.page-faq .faq-checklist {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  transform: rotate(45deg);
}

/* ---------- 页尾动作 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  margin-top: 52px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-raise);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}

.page-faq .faq-cta__note {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 26px;
    padding: 28px 32px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-item__q {
    font-size: 15px;
    gap: 10px;
  }

  .page-faq .faq-item__a {
    padding-left: 4px;
  }

  .page-faq .faq-table {
    font-size: 13px;
  }
}