/* ===== 问题排查页 · page-faq ===== */
.page-faq {
  --faq-rail-w: 258px;
  --faq-gap: 44px;
  --faq-code-w: 42px;
  padding: 22px 0 76px;
}

@media (min-width: 768px) {
  .page-faq {
    padding: 34px 0 96px;
  }
}

.page-faq .breadcrumb {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: 8px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  max-width: 660px;
  font-size: clamp(26px, 6.4vw, 46px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-faq .faq-hero__lead {
  margin: 0 0 18px;
  max-width: 700px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__figure {
  margin: 26px 0 0;
}

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

.page-faq .faq-hero__figure .media-frame__caption {
  font-size: 13px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 32px;
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    margin-top: 44px;
    align-items: start;
  }
}

/* ---------- 左侧索引轨 ---------- */
.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 10px 11px 0;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  color: var(--text);
  font-size: 14.5px;
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease,
    color 0.18s ease, padding-left 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background-color: rgba(53, 224, 214, 0.06);
  border-left-color: var(--cyan);
  padding-left: 10px;
  color: var(--text-strong);
}

.page-faq .faq-index__num {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-index__label {
  overflow-wrap: break-word;
}

.page-faq .faq-index__count {
  font-size: 12px;
  color: var(--text-dim);
}

.page-faq .faq-rail__hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

@media (min-width: 1000px) {
  .page-faq .faq-rail__inner {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (max-width: 999px) {
  .page-faq .faq-index {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    border-top: 0;
    padding-bottom: 6px;
  }

  .page-faq .faq-index li {
    flex: 0 0 auto;
  }

  .page-faq .faq-index__link {
    grid-template-columns: auto auto;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    border-left-width: 1px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    padding-left: 12px;
    border-left-width: 1px;
  }

  .page-faq .faq-index__count {
    display: none;
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  border-top: 1px solid var(--line-strong);
  padding: 26px 0 34px;
  scroll-margin-top: calc(var(--header-h) + 22px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .faq-group__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--faq-code-w);
  height: 28px;
  padding: 0 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background-color: rgba(255, 255, 255, 0.02);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  transition: background-color 0.22s ease, color 0.22s ease,
    border-color 0.22s ease;
}

.page-faq .faq-group__title {
  margin: 0 0 6px;
  font-size: clamp(19px, 3.6vw, 25px);
  font-weight: 900;
  line-height: 1.32;
  color: var(--text-strong);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-faq .faq-group:target .faq-group__code {
  background-color: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-faq .faq-group:target {
  background-image: linear-gradient(
    180deg,
    rgba(53, 224, 214, 0.07),
    rgba(53, 224, 214, 0) 60%
  );
}

/* 分组色标 */
.page-faq .faq-group--cyan {
  border-top-color: rgba(53, 224, 214, 0.42);
}

.page-faq .faq-group--orange {
  border-top-color: rgba(255, 90, 60, 0.42);
}

.page-faq .faq-group--violet {
  border-top-color: rgba(140, 107, 255, 0.42);
}

.page-faq .faq-group--yellow {
  border-top-color: rgba(255, 210, 71, 0.42);
}

.page-faq .faq-group--green {
  border-top-color: rgba(76, 217, 123, 0.42);
}

.page-faq .faq-group--paper {
  border-top-color: rgba(243, 233, 216, 0.42);
}

.page-faq .faq-group--orange .faq-group__code {
  color: var(--orange);
  border-color: rgba(255, 90, 60, 0.42);
}

.page-faq .faq-group--violet .faq-group__code {
  color: var(--violet);
  border-color: rgba(140, 107, 255, 0.42);
}

.page-faq .faq-group--yellow .faq-group__code {
  color: var(--yellow);
  border-color: rgba(255, 210, 71, 0.42);
}

.page-faq .faq-group--green .faq-group__code {
  color: var(--green);
  border-color: rgba(76, 217, 123, 0.42);
}

.page-faq .faq-group--paper .faq-group__code {
  color: var(--paper);
  border-color: rgba(243, 233, 216, 0.42);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  background-color: var(--ink-800);
  transition: border-color 0.2s ease, background-color 0.2s ease,
    box-shadow 0.2s ease;
}

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

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background-color: var(--ink-700);
  background-image: linear-gradient(
    90deg,
    rgba(53, 224, 214, 0.1),
    rgba(53, 224, 214, 0) 72%
  );
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--text-strong);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  transition: color 0.18s ease;
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item__num {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background-color: var(--mist);
  transition: transform 0.22s ease, background-color 0.22s ease;
}

.page-faq .faq-item__mark::before {
  transform: translateY(-50%);
}

.page-faq .faq-item__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background-color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item__body {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
  overflow-wrap: break-word;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 64ch;
}

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

@media (min-width: 640px) {
  .page-faq .faq-item__body {
    padding: 0 20px 20px 48px;
  }
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  display: grid;
  gap: 9px;
  margin: 0 0 10px;
  padding: 0;
}

.page-faq .faq-steps > li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 28px;
  color: var(--text);
}

.page-faq .faq-steps > li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(53, 224, 214, 0.42);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1;
  color: var(--cyan);
}

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

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--ink-800);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 收尾动作与脚注 ---------- */
.page-faq .faq-actions {
  margin-top: 22px;
}

.page-faq .faq-group__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-faq .faq-group__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, 0.36);
}

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

/* ---------- 焦点反馈 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 2px;
}
<<<END>>>