.page-faq {
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding: 96px 0 0;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
}

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

.page-faq .breadcrumb-list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumb-list a:hover,
.page-faq .breadcrumb-list a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 32px 0 56px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -40px 0 0;
  pointer-events: none;
  background:
    radial-gradient(58% 70% at 88% 12%, rgba(255, 122, 26, .17), transparent 68%),
    radial-gradient(48% 62% at 4% 84%, rgba(47, 107, 84, .22), transparent 70%);
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-faq .faq-hero-kicker {
  margin: 0 0 14px;
  color: var(--orange);
}

.page-faq .faq-hero-title {
  margin: 0 0 18px;
  max-width: 14ch;
  color: var(--cream);
}

.page-faq .faq-hero-lead {
  margin: 0 0 26px;
  max-width: 46ch;
  color: var(--muted);
}

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

.page-faq .faq-hero-figure {
  margin: 0;
  aspect-ratio: 12 / 7;
  border-width: var(--bw);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero-figure .image-frame-caption {
  color: var(--cream);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 44px 0 72px;
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-hero-figure {
    aspect-ratio: 12 / 8;
    transform: translateY(12px);
  }
}

/* ---------- 问题对照 ---------- */
.page-faq .faq-map-section {
  padding-top: 8px;
}

.page-faq .faq-map {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-map-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 20px 20px 22px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(150deg, var(--surface-soft), var(--ink-soft));
  box-shadow: var(--shadow-hard-sm);
  transition: transform .18s ease-out, border-color .18s ease-out;
}

.page-faq .faq-map-card:hover,
.page-faq .faq-map-card:focus-within {
  transform: translate(-2px, -2px);
  border-color: var(--orange);
}

.page-faq .faq-map-card > .status-dot {
  margin-top: 6px;
  flex: 0 0 auto;
}

.page-faq .faq-map-link {
  display: grid;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.page-faq .faq-map-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: -.01em;
}

.page-faq .faq-map-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-map-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

@media (min-width: 760px) {
  .page-faq .faq-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-faq .faq-map-card:nth-child(2),
  .page-faq .faq-map-card:nth-child(4) {
    margin-top: 26px;
  }
}

/* ---------- 排查步骤卡片 ---------- */
.page-faq .faq-cases-section {
  padding-top: 0;
}

.page-faq .faq-cases {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-faq .faq-case {
  position: relative;
  border: var(--bw) solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(165deg, rgba(14, 42, 33, .92), rgba(6, 18, 14, .96));
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-faq .faq-case::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(70% 48% at 108% -10%, rgba(255, 122, 26, .14), transparent 70%);
}

.page-faq .faq-case-summary {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-case-summary::after {
  content: "−";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-case:not([open]) .faq-case-summary::after {
  content: "+";
}

.page-faq .faq-case-index {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .02em;
}

.page-faq .faq-case-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-faq .faq-case-body {
  position: relative;
  z-index: 1;
  padding: 4px 22px 26px;
  border-top: 1px solid var(--hairline-dim);
  margin-top: 2px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 22px 42px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: 0;
  width: 2px;
  background: var(--hairline-dim);
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cream);
  transition: border-color .2s ease-out, color .2s ease-out;
}

.page-faq .faq-step:last-child .faq-step-num {
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .faq-step-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cream);
  max-width: 44ch;
}

.page-faq .faq-step-label {
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .12em;
  color: var(--yellow) !important;
  margin-bottom: 6px !important;
}

.page-faq .faq-step-body a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-step-body a:hover,
.page-faq .faq-step-body a:focus-visible {
  color: var(--edge);
}

@media (min-width: 880px) {
  .page-faq .faq-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 30px;
    align-items: start;
  }

  .page-faq .faq-case:nth-child(even) {
    margin-top: 44px;
  }

  .page-faq .faq-case-body {
    padding: 4px 26px 28px;
  }

  .page-faq .faq-case-summary {
    padding: 22px 26px;
  }
}

/* ---------- 反馈横条 ---------- */
.page-faq .faq-prompt {
  position: relative;
  margin: 8px 0 0;
  background: linear-gradient(120deg, var(--orange), var(--orange-deep));
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  color: var(--ink);
  overflow: hidden;
}

.page-faq .faq-prompt::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(6, 18, 14, .07) 0 2px,
    transparent 2px 9px
  );
}

.page-faq .faq-prompt-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  padding: 36px 0;
}

.page-faq .faq-prompt-kicker {
  margin: 0 0 12px;
  color: rgba(6, 18, 14, .68);
}

.page-faq .faq-prompt-title {
  margin: 0 0 14px;
  color: var(--ink);
  max-width: 20ch;
}

.page-faq .faq-prompt-text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  max-width: 46ch;
  color: rgba(6, 18, 14, .84);
}

.page-faq .faq-prompt-mail {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--ink);
  padding: 8px 14px;
  display: inline-block;
  border: 2px solid var(--ink);
  border-radius: var(--r-pill);
  background: rgba(244, 241, 234, .34);
  word-break: break-all;
}

.page-faq .faq-prompt-btn {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-prompt-btn:hover,
.page-faq .faq-prompt-btn:focus-visible {
  background: var(--surface);
  color: var(--cream);
}

.page-faq .faq-prompt-btn:active {
  background: var(--surface);
  color: var(--edge);
}

.page-faq .faq-prompt-figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  border: 3px solid var(--ink);
  box-shadow: none;
}

@media (min-width: 880px) {
  .page-faq .faq-prompt-inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: 48px;
    padding: 52px 0;
  }

  .page-faq .faq-prompt-figure {
    aspect-ratio: 4 / 3;
  }
}

/* ---------- 反馈清单 ---------- */
.page-faq .faq-check-section {
  padding-top: 64px;
}

.page-faq .faq-check-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .faq-check-title {
  margin: 0 0 18px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cream);
}

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

.page-faq .faq-checklist li {
  position: relative;
  padding: 0 0 14px 26px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  border-bottom: 1px solid var(--hairline-dim);
  margin-bottom: 14px;
}

.page-faq .faq-checklist li:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-checklist strong {
  color: var(--cream);
  font-weight: 600;
}

.page-faq .faq-check-mark {
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--orange);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-faq .faq-check-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 3px solid var(--yellow);
  background: rgba(242, 194, 48, .07);
}

.page-faq .faq-template {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 22px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface-soft);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-template-head {
  margin: 0;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--orange);
  font-family: var(--font-mono);
}

.page-faq .faq-template-hint {
  color: var(--muted);
  letter-spacing: .04em;
}

.page-faq .faq-template-body {
  margin: 0;
  width: 100%;
  padding: 18px;
  border-radius: var(--r-card);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-faq .faq-close {
  margin-top: 44px;
  padding: 24px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r-panel);
  background: linear-gradient(140deg, rgba(14, 42, 33, .8), rgba(6, 18, 14, .92));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.page-faq .faq-close-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 58ch;
}

.page-faq .faq-close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 880px) {
  .page-faq .faq-check-section {
    padding-top: 80px;
  }

  .page-faq .faq-check-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-close {
    margin-top: 56px;
    padding: 28px 32px;
  }
}

/* ---------- 返回顶部 ---------- */
.page-faq .to-top {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 40;
  font-family: var(--font-body);
  font-size: 13px;
}

@media (min-width: 900px) {
  .page-faq .to-top {
    right: 32px;
    bottom: 32px;
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-map-card,
  .page-faq .faq-step-num {
    transition: none;
  }

  .page-faq .faq-map-card:hover,
  .page-faq .faq-map-card:focus-within {
    transform: none;
  }

  .page-faq .faq-hero-figure {
    transform: none;
  }
}