.page-faq {
  --faq-gap: clamp(52px, 7vw, 104px);
  --faq-key-glow: rgba(127, 227, 224, 0.45);
  --faq-panel-lift: #16223a;
  padding-bottom: clamp(56px, 8vw, 112px);
  color: var(--white);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq [id] {
  scroll-margin-top: 96px;
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 4.5vw, 60px) 0 clamp(26px, 4vw, 46px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red) 0 28%, var(--blue) 28% 58%, var(--line) 58% 100%);
}

.page-faq .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  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;
}

.page-faq .breadcrumb-list a:hover {
  color: var(--cyan);
}

.page-faq .breadcrumb-list [aria-current="page"] {
  color: var(--cyan);
}

.page-faq .faq-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.4vw, 60px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--white);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tags li {
  padding: 6px 11px;
  background: var(--ink-2);
  border-left: 2px solid var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-faq .faq-section {
  padding-top: var(--faq-gap);
}

.page-faq .section-title {
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-faq .faq-section:target .section-num {
  color: var(--white);
  background: var(--red);
}

/* 情况选择 */
.page-faq .route-grid {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .route-card {
  position: relative;
  display: block;
  padding: 22px 20px 24px 26px;
  background: var(--ink-2);
  color: var(--white);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .route-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--blue);
}

.page-faq .route-card--red::before {
  background: var(--red);
}

.page-faq .route-card:hover,
.page-faq .route-card:focus-visible {
  background: var(--faq-panel-lift);
  transform: translateY(-3px);
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.page-faq .route-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .route-card h3 {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
}

.page-faq .route-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 四步路径 */
.page-faq .path-layout {
  display: grid;
  gap: 36px;
  margin-top: 30px;
}

.page-faq .step-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .step-list::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 14px;
  bottom: 26px;
  width: 2px;
  background: var(--line);
}

.page-faq .step {
  position: relative;
  padding-left: 60px;
  margin-bottom: 34px;
}

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

.page-faq .step-num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-faq .step h3 {
  margin: 6px 0 0;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.35;
}

.page-faq .step p {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .step--key {
  padding: 24px 20px 24px 84px;
  background: var(--ink-2);
  border-left: 4px solid var(--red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .step--key .step-num {
  left: 20px;
  top: 24px;
  width: 52px;
  height: 52px;
  background: var(--red);
  color: var(--white);
  font-size: 22px;
  box-shadow: 0 0 0 3px var(--faq-key-glow);
}

.page-faq .step--key h3 {
  margin-top: 4px;
  font-size: 22px;
}

.page-faq .step--key p {
  color: var(--white);
}

.page-faq .step-tip {
  display: block;
  margin-top: 14px;
  padding: 11px 13px;
  background: var(--ink);
  border-left: 2px solid var(--cyan);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .step-figure {
  margin-top: 34px;
}

.page-faq .path-figure {
  margin: 0 0 22px;
}

.page-faq .path-side .figure-cap {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .device-notes {
  display: grid;
  gap: 10px;
}

.page-faq .device-note {
  padding: 16px 18px;
  background: var(--ink-2);
  border-left: 3px solid var(--blue);
}

.page-faq .device-note:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-faq .device-note h4 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .device-note p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 编号核对 */
.page-faq .match-grid {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-faq .field-list {
  margin: 0;
  counter-reset: none;
}

.page-faq .field-list dt {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .field-list dt:first-child {
  margin-top: 0;
}

.page-faq .field-list dd {
  margin: 7px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
}

.page-faq .mistake-grid {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .mistake {
  padding: 18px 18px 18px 20px;
  background: var(--ink-2);
  border-left: 3px solid var(--red);
}

.page-faq .mistake h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .mistake p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .match-panel {
  padding: 24px 22px;
  color: var(--ink);
  align-self: start;
}

.page-faq .match-panel h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .result-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .result-list li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(11, 18, 32, 0.28);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .result-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .result-list li span:first-child {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
}

/* 补看检索 */
.page-faq .num-list {
  list-style: none;
  counter-reset: faqn;
  margin: 28px 0 0;
  padding: 0;
}

.page-faq .num-list > li {
  position: relative;
  padding-left: 48px;
  margin-bottom: 24px;
}

.page-faq .num-list > li::before {
  counter-increment: faqn;
  content: counter(faqn, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--blue);
}

.page-faq .num-list h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.4;
}

.page-faq .num-list p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .section-note {
  margin: 8px 0 0;
  padding: 18px 20px;
  background: var(--ink-2);
  border-left: 3px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

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

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

/* 折叠问答 */
.page-faq .fold-list {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

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

.page-faq .fold-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 18px 4px 18px 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
  cursor: pointer;
  transition: color 0.15s var(--ease);
}

.page-faq .fold-head:hover,
.page-faq .fold-head:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-faq .fold-head:focus-visible {
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-faq .fold-icon {
  flex: 0 0 auto;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--red);
  transition: transform 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .fold-head[aria-expanded="true"] .fold-icon {
  transform: rotate(180deg);
  color: var(--cyan);
}

.page-faq .fold-panel {
  padding: 0 4px 20px 0;
}

.page-faq .fold-panel p {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--blue);
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* 术语表 */
.page-faq .table-scroll {
  margin-top: 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .term-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
}

.page-faq .term-table th,
.page-faq .term-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
}

.page-faq .term-table thead th {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.page-faq .term-table tbody tr {
  border-bottom: 1px solid rgba(11, 18, 32, 0.16);
}

.page-faq .term-table tbody tr:nth-child(even) {
  background: rgba(11, 18, 32, 0.05);
}

.page-faq .term-table tbody th {
  width: 34%;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .term-table tbody td {
  color: #253046;
}

.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* 底部下一步 */
.page-faq .faq-next {
  display: grid;
  gap: 20px;
  margin-top: var(--faq-gap);
  padding: 26px 22px;
  background: var(--ink-2);
  border-left: 4px solid var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-next h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-faq .faq-next p {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

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

@media (min-width: 720px) {
  .page-faq .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .mistake-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 32px 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .path-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 44px;
  }

  .page-faq .path-side {
    position: sticky;
    top: 92px;
  }

  .page-faq .match-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
  }

  .page-faq .step--key {
    padding: 28px 28px 28px 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-card,
  .page-faq .fold-icon {
    transition: none;
  }

  .page-faq .route-card:hover {
    transform: none;
  }
}
<<<END>>>