.page-faq {
  background: var(--court);
  color: var(--ink);
  overflow-x: clip;
  padding-bottom: 72px;
}

.page-faq .breadcrumb {
  padding-top: 24px;
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  padding: 18px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-head h1 {
  margin: 14px 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(28px, 7.4vw, 56px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-faq .faq-head__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-status {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .faq-status__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
  align-items: start;
  padding: 13px 16px;
  background: var(--rail);
}

.page-faq .faq-status__dot {
  grid-row: span 2;
  width: 10px;
  height: 10px;
  margin-top: 3px;
  border-radius: 50%;
}

.page-faq .faq-status__dot--ok {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(35, 240, 208, 0.16);
}

.page-faq .faq-status__dot--lag {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 154, 60, 0.16);
}

.page-faq .faq-status__dot--off {
  background: var(--pulse);
  box-shadow: 0 0 0 3px rgba(255, 90, 43, 0.16);
}

.page-faq .faq-status__label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-status__desc {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 分栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding: 34px 0 0;
}

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

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-rail {
  padding: 18px 18px 16px;
  background: var(--rail);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: var(--shadow);
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-toc {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc li + li {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-toc a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--cyan);
  transform: translateX(3px);
}

.page-faq .faq-toc__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-block {
  scroll-margin-top: 128px;
}

.page-faq .faq-block + .faq-block {
  margin-top: 46px;
  padding-top: 38px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-block__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.6vw, 31px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .faq-block__title::after {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin-top: 14px;
  background: var(--cyan);
}

.page-faq .faq-block:nth-of-type(2) .faq-block__title::after {
  background: var(--amber);
}

.page-faq .faq-block:nth-of-type(3) .faq-block__title::after {
  background: var(--indigo);
}

.page-faq .faq-block:nth-of-type(4) .faq-block__title::after {
  background: var(--wine);
}

.page-faq .faq-block:nth-of-type(5) .faq-block__title::after {
  background: var(--pulse);
}

.page-faq .faq-block__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 三步排查 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: var(--rail);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: var(--shadow);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-step__text {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  background: var(--rail);
  border: 1px solid var(--line);
  border-radius: 2px;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa {
  margin: 22px 0 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .qa__item summary {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 20px;
  gap: 12px;
  align-items: baseline;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  transition: color 0.18s ease;
}

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

.page-faq .qa__item summary:hover {
  color: var(--cyan);
}

.page-faq .qa__index {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .qa__sign {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  text-align: right;
  color: var(--cyan);
}

.page-faq .qa__sign::before {
  content: "+";
}

.page-faq .qa__item[open] .qa__sign::before {
  content: "−";
}

.page-faq .qa__body {
  max-width: 66ch;
  padding: 0 0 22px 42px;
}

.page-faq .qa__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa__body ol {
  margin: 0 0 14px;
  padding-left: 20px;
}

.page-faq .qa__body li {
  margin-bottom: 5px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .qa__body li::marker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .qa__next {
  display: inline-block;
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
}

.page-faq .qa__next:hover {
  border-bottom-style: solid;
}

/* ---------- 要点框 ---------- */
.page-faq .faq-callout {
  margin: 22px 0 0;
  padding: 18px 20px;
  background: var(--breath);
  border-left: 3px solid var(--cyan);
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.75;
  color: #06231d;
}

.page-faq .faq-callout strong {
  color: #04140f;
  font-weight: 800;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  margin: 22px 0 0;
  padding: 4px 18px;
  background: var(--split);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  margin: 0;
  padding: 14px 0;
}

.page-faq .faq-contact__row + .faq-contact__row {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--pulse);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-contact__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 焦点可见性 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-head {
    padding-top: 26px;
    padding-bottom: 44px;
  }

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

  .page-faq .faq-step {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 18px;
    padding: 18px 20px;
  }

  .page-faq .faq-step__num {
    font-size: 30px;
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* ---------- 桌面分栏 ---------- */
@media (min-width: 960px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(230px, 300px) minmax(0, 1fr);
    gap: 64px;
    padding-top: 48px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 108px;
    align-self: start;
  }

  .page-faq .faq-block + .faq-block {
    margin-top: 58px;
    padding-top: 48px;
  }

  .page-faq .faq-block__intro {
    font-size: 16px;
  }

  .page-faq .qa__item summary {
    font-size: 16.5px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-head h1 {
    max-width: 15ch;
  }
}

/* ---------- 窄屏收边 ---------- */
@media (max-width: 420px) {
  .page-faq .faq-step {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    padding: 14px;
  }

  .page-faq .faq-step__num {
    font-size: 20px;
  }

  .page-faq .qa__item summary {
    grid-template-columns: 24px minmax(0, 1fr) 16px;
    gap: 8px;
    font-size: 15px;
  }

  .page-faq .qa__body {
    padding-left: 0;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}