.page-faq {
  --faq-line-paper: 1px solid var(--paper-edge);
  --faq-line-dark: 1px solid var(--line-500);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text-400);
}
.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .breadcrumb-list a {
  color: var(--text-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-faq .breadcrumb-list a:hover,
.page-faq .breadcrumb-list a:focus-visible {
  color: var(--amber-200);
  border-bottom-color: var(--amber-400);
}
.page-faq .breadcrumb-sep { color: var(--line-500); }
.page-faq .breadcrumb [aria-current="page"] { color: var(--text-100); }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: var(--space-1) var(--space-3);
}
.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--space-2);
}
.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 48px);
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--text-100);
  margin: 10px 0 20px;
  max-width: 22ch;
  text-wrap: balance;
}
.page-faq .faq-lead {
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text-400);
  margin: 0 0 var(--space-1);
}
.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--line-500);
  background: var(--ink-800);
  padding: 12px;
}
.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 区块标题 ---------- */
.page-faq .faq-sec-head {
  max-width: 66ch;
  margin-bottom: var(--space-2);
}
.page-faq h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.32;
  letter-spacing: .015em;
  color: var(--text-100);
  margin: 10px 0 14px;
}
.page-faq .section--paper h2,
.page-faq .section--paper h3 {
  color: var(--ink-900);
}
.page-faq .section--paper .kicker {
  color: var(--ink-700);
}
.page-faq .faq-sec-lead {
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-400);
  margin: 0 0 18px;
}
.page-faq .section--paper .faq-sec-lead {
  color: var(--ink-700);
}

/* ---------- 症状对照表 ---------- */
.page-faq .triage-table {
  border-top: var(--faq-line-paper);
}
.page-faq .triage-row {
  display: grid;
  gap: 6px;
  padding: 16px 10px;
  border-bottom: var(--faq-line-paper);
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--ink-900);
  transition: background-color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.page-faq .triage-row:hover,
.page-faq .triage-row:focus-visible {
  background: var(--paper-300);
  border-left-color: var(--amber-400);
  outline: none;
}
.page-faq .triage-row--head {
  border-left-color: transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-700);
  opacity: .72;
  padding-block: 10px 12px;
}
.page-faq .triage-symptom {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.4;
}
.page-faq .triage-symptom .num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink-700);
  opacity: .7;
}
.page-faq .triage-check {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-700);
}
.page-faq .triage-fix {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-900);
  border-left: 2px solid var(--paper-edge);
  padding-left: 10px;
}

/* ---------- 处置区块 ---------- */
.page-faq .faq-block-grid {
  display: grid;
  gap: var(--space-2);
}
.page-faq .faq-block-main { min-width: 0; }

.page-faq .step-list {
  list-style: none;
  margin: var(--space-1) 0 0;
  padding: 0;
}
.page-faq .step-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 20px 0;
  border-top: var(--faq-line-dark);
}
.page-faq .step-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--amber-400);
  font-variant-numeric: tabular-nums;
}
.page-faq .step-body { min-width: 0; }
.page-faq .step-body h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: .01em;
  margin: 0 0 6px;
  color: var(--text-100);
}
.page-faq .step-body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-faq .step-list--paper .step-item {
  border-top-color: var(--paper-edge);
}
.page-faq .step-list--paper .step-num {
  color: var(--ink-700);
  opacity: .55;
}
.page-faq .step-list--paper .step-body h3 { color: var(--ink-900); }
.page-faq .step-list--paper .step-body p { color: var(--ink-700); }

/* ---------- 提示条 ---------- */
.page-faq .step-note {
  margin-top: var(--space-1);
  padding: 20px 22px;
  border-left: 3px solid var(--celadon-400);
  background: var(--ink-700);
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-400);
}
.page-faq .step-note p { margin: 0; }
.page-faq .step-note p + p { margin-top: 12px; }
.page-faq .step-note strong { color: var(--text-100); }
.page-faq .step-note a {
  color: var(--celadon-200);
  text-decoration: none;
  border-bottom: 1px solid var(--line-500);
}
.page-faq .step-note a:hover { border-bottom-color: var(--celadon-400); }

.page-faq .order-note {
  margin-top: var(--space-1);
  padding: 20px 22px;
  border: var(--faq-line-paper);
  background: var(--paper-300);
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}
.page-faq .order-note p { margin: 0; }
.page-faq .order-note strong { color: var(--ink-900); }

/* ---------- 编号图例 ---------- */
.page-faq .code-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--space-1);
}
.page-faq .code-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px dashed var(--line-500);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--text-400);
}
.page-faq .code-legend .num {
  font-size: 14px;
  font-weight: 600;
  color: var(--celadon-200);
}

/* ---------- 分栏说明 ---------- */
.page-faq .split-note {
  margin-top: var(--space-2);
  padding-top: var(--space-1);
  border-top: var(--faq-line-dark);
  display: grid;
  gap: var(--space-1);
}
.page-faq .split-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  margin: 0 0 14px;
  color: var(--amber-200);
}
.page-faq .plain-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .plain-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-400);
}
.page-faq .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--celadon-400);
  border-radius: 50%;
}
.page-faq .split-foot {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-400);
}
.page-faq .split-foot a {
  color: var(--amber-200);
  text-decoration: none;
  border-bottom: 1px solid var(--line-500);
}
.page-faq .split-foot a:hover { border-bottom-color: var(--amber-400); }

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line-500);
  background: var(--ink-700);
  padding: 10px;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  padding: 0 4px 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-400);
}

/* ---------- 问答 ---------- */
.page-faq .qa-group {
  border-top: var(--faq-line-dark);
}
.page-faq .qa-item {
  border-bottom: var(--faq-line-dark);
}
.page-faq .qa-item > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 12px;
  cursor: pointer;
  list-style: none;
  color: var(--text-100);
  transition: background-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.page-faq .qa-item > summary::-webkit-details-marker { display: none; }
.page-faq .qa-item > summary:hover { background: var(--ink-700); }
.page-faq .qa-item > summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}
.page-faq .qa-item[open] > summary {
  background: var(--paper-100);
  color: var(--ink-900);
}
.page-faq .qa-index {
  flex: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--celadon-400);
}
.page-faq .qa-item[open] .qa-index {
  color: var(--ink-700);
  opacity: .65;
}
.page-faq .qa-q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}
.page-faq .qa-body {
  background: var(--paper-100);
  color: var(--ink-900);
  padding: 0 12px 20px;
}
.page-faq .qa-body p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}
.page-faq .qa-body a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--paper-edge);
}
.page-faq .qa-body a:hover { border-bottom-color: var(--amber-400); }

/* ---------- 收尾 ---------- */
.page-faq .faq-tail-inner { max-width: 720px; }
.page-faq .faq-tail p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0;
}
.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-1);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 599px) {
  .page-faq .triage-row { padding-inline: 8px; }
  .page-faq .triage-fix {
    border-left: none;
    padding-left: 0;
    color: var(--ink-700);
  }
  .page-faq .step-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
  .page-faq .step-num { font-size: 22px; }
  .page-faq .step-note,
  .page-faq .order-note { padding: 16px 16px; }
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .triage-row {
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: var(--pad);
    align-items: baseline;
  }
  .page-faq .triage-row--head { align-items: end; }
  .page-faq .step-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 20px;
    padding: 24px 0;
  }
  .page-faq .step-num { font-size: 32px; }
  .page-faq .qa-body { padding-left: 46px; }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    column-gap: var(--space-2);
    align-items: start;
  }
  .page-faq .breadcrumb { grid-column: 1 / -1; }
  .page-faq .faq-hero-figure { margin-top: 8px; }
}

@media (min-width: 940px) {
  .page-faq .faq-block-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    column-gap: var(--space-2);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-faq .split-note {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .page-faq .split-note > div + div {
    border-left: var(--faq-line-dark);
    padding-left: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .triage-row,
  .page-faq .qa-item > summary,
  .page-faq .breadcrumb-list a {
    transition: none;
  }
}
<<<END>>>