.page-faq {
  --faq-node: var(--cyan);
  --faq-card: #0F2740;
  --faq-gap: clamp(14px, 2.4vw, 22px);
  color: var(--ice);
  padding-bottom: clamp(40px, 7vw, 88px);
}

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

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5em;
  padding-top: clamp(20px, 4vw, 34px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

.page-faq .breadcrumb__sep {
  opacity: 0.6;
}

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

/* 首屏 */
.faq-head {
  margin: clamp(22px, 4vw, 38px) 0 clamp(30px, 5vw, 54px);
  padding: clamp(20px, 4vw, 38px) clamp(18px, 3vw, 36px);
  border: 2px solid var(--line);
  border-left: 8px solid var(--orange);
  background:
    radial-gradient(120% 160% at 0% 0%, rgba(0, 240, 208, 0.13), transparent 55%),
    radial-gradient(90% 120% at 100% 100%, rgba(255, 106, 26, 0.14), transparent 60%),
    linear-gradient(135deg, var(--board) 0%, var(--ink) 62%, var(--violet) 100%);
  box-shadow: var(--shadow-hard);
}

.faq-head__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.faq-head__title {
  margin: 0.5em 0 0.55em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.faq-head__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(217, 230, 242, 0.86);
}

.faq-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: clamp(18px, 3vw, 26px);
}

.faq-head__meta .mono {
  padding-left: 10px;
  border-left: 2px solid var(--grass);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 路线总览 */
.faq-route {
  padding-bottom: clamp(30px, 5vw, 52px);
}

.faq-route__head {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.faq-route .kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.faq-route__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.1;
  color: var(--ice);
}

.path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.path-node {
  display: flex;
  flex-direction: column;
  gap: 0.55em;
  padding: 18px 16px;
  background: var(--faq-card);
  border: 2px solid var(--line-soft);
  border-top: 4px solid var(--faq-node);
  box-shadow: var(--shadow-hard);
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.path-node:hover,
.path-node:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--orange);
  box-shadow: 0 0 0 2px rgba(255, 106, 26, 0.4), var(--shadow-hard);
}

.path-node--stats {
  --faq-node: var(--orange);
}

.path-node--fav {
  --faq-node: var(--amber);
}

.path-node--v4 {
  --faq-node: var(--grass);
}

.path-node__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-node);
}

.path-node__icon {
  color: var(--faq-node);
  line-height: 0;
}

.path-node__icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.path-node__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.2;
  color: var(--ice);
}

.path-node__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.path-node__go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* 图片 */
.faq-figure {
  margin: var(--faq-gap) 0 0;
  border: 2px solid var(--line-soft);
  background: var(--board);
  box-shadow: var(--shadow-soft);
}

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

.faq-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--muted);
}

/* 收藏本页 */
.faq-save {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .fav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-faq .fav:hover,
.page-faq .fav:focus-visible {
  border-color: var(--orange);
  color: var(--amber);
}

.page-faq .fav__dot {
  width: 8px;
  height: 8px;
  background: var(--muted);
  transition: background 0.18s ease;
}

.page-faq .fav[aria-pressed="true"] {
  border-color: var(--orange);
  background: var(--orange);
  color: #07131f;
}

.page-faq .fav[aria-pressed="true"] .fav__dot {
  background: #07131f;
}

/* 排查区块 */
.faq-block {
  padding: clamp(28px, 5vw, 48px) 0;
  border-top: 2px solid var(--line-soft);
}

.faq-block__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 16px;
  align-items: start;
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.faq-block__no {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.15;
  color: var(--ice);
}

.faq-block__note {
  margin: 8px 0 0;
  max-width: 60ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 手风琴 */
.page-faq .accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .accordion__item {
  background: var(--faq-card);
  border: 2px solid var(--line-soft);
  border-left: 4px solid transparent;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.18s ease, border-left-color 0.18s ease;
}

.page-faq .accordion__item:hover {
  border-left-color: var(--cyan);
}

.page-faq .accordion__item:has(.accordion__trigger[aria-expanded="true"]) {
  border-color: var(--orange);
  border-left-color: var(--orange);
}

.page-faq .accordion__item h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .accordion__trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px 12px;
  align-items: start;
  width: 100%;
  padding: 15px 14px;
  border: 0;
  background: none;
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .q-idx {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
}

.page-faq .q-mark {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--cyan);
}

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

.page-faq .accordion__trigger[aria-expanded="true"] .q-mark::before {
  content: "–";
}

.page-faq .accordion__trigger[aria-expanded="true"] .q-idx {
  color: var(--amber);
}

.page-faq .accordion__panel {
  padding: 0 14px 16px;
}

.page-faq .accordion__panel[hidden] {
  display: none;
}

.page-faq .accordion__panel p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-faq .answer-lead {
  padding: 8px 12px;
  border-left: 3px solid var(--grass);
  background: rgba(95, 208, 104, 0.07);
  color: var(--ice) !important;
  font-weight: 500;
}

.page-faq .answer-link a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

/* 收藏区块双栏 */
.faq-fav-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.faq-fav-layout .faq-figure {
  margin: 0;
}

/* 联系信息 */
.contact-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .contact-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 16px;
  background: var(--panel);
  border: 2px solid var(--line-soft);
  border-bottom: 4px solid var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-faq .contact-item__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .contact-item__value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ice);
  word-break: break-word;
}

.page-faq .contact-item__value--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.contact-item__hint {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .copy-btn {
  padding: 6px 12px;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .copy-feedback {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grass);
}

/* 相关链接 */
.faq-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.faq-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px solid var(--line-soft);
  background: rgba(12, 32, 56, 0.7);
  color: var(--ice);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.faq-link span {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.faq-link:hover,
.faq-link:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 106, 26, 0.08);
  color: var(--amber);
}

.faq-block--last {
  padding-bottom: 0;
  border-bottom: 0;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .path-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-strip {
    grid-template-columns: 1fr 1fr;
  }

  .faq-links {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .accordion__trigger {
    padding: 17px 18px;
    gap: 12px 16px;
    font-size: 15.5px;
  }

  .page-faq .accordion__panel {
    padding: 0 18px 18px;
  }
}

@media (min-width: 1000px) {
  .path-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .faq-fav-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .faq-head__lead {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .path-node,
  .page-faq .fav,
  .page-faq .copy-btn,
  .faq-link {
    transition: none;
  }

  .path-node:hover,
  .path-node:focus-visible {
    transform: none;
  }
}
<<<END>>>