.page-faq {
  --faq-cyan-deep: #1AA6B2;
  --faq-rule: rgba(147, 166, 188, 0.22);
  background: var(--deep-space);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .wrap {
  width: 100%;
  max-width: var(--frame);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.page-faq [id] {
  scroll-margin-top: 120px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(36px, 7vw, 96px) 0 clamp(28px, 5vw, 64px);
  background:
    radial-gradient(95% 130% at 88% -12%, rgba(52, 209, 218, 0.13), transparent 62%),
    radial-gradient(72% 105% at -4% 4%, rgba(200, 162, 74, 0.10), transparent 58%);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-faq .breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red-gold);
  margin: 0 0 14px;
}

.page-faq .faq-title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(1.95rem, 7.2vw, 4.4rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--text);
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(0.98rem, 1.1vw, 1.08rem);
  line-height: 1.9;
  color: var(--text-soft);
}

.page-faq .lede {
  font-size: clamp(0.98rem, 1.1vw, 1.08rem);
  line-height: 1.9;
}

.page-faq .faq-hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.page-faq .faq-hero-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-hair);
}

.page-faq .faq-hero-meta .mono {
  font-size: 1rem;
  color: var(--cold-cyan);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-nav-section,
.page-faq .faq-section {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-faq .faq-nav-section {
  border-top: 1px solid var(--line-hair);
}

.page-faq .faq-section-head {
  max-width: 68ch;
}

.page-faq .faq-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-faq .faq-aside-note {
  margin: clamp(26px, 4vw, 38px) 0 0;
  max-width: 66ch;
  padding-left: 18px;
  border-left: 2px solid var(--red-gold);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 浅色分区 ---------- */
.page-faq .faq-band-cold {
  background: var(--cold-white);
  color: var(--ink);
}

.page-faq .faq-band-cold .faq-h2 {
  color: var(--ink);
}

.page-faq .faq-band-cold .eyebrow {
  color: var(--gold-ink);
}

.page-faq .faq-band-cold .faq-lede,
.page-faq .faq-band-cold .media-caption {
  color: var(--ink-soft);
}

/* ---------- 主题导航 ---------- */
.page-faq .faq-index {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: none;
}

.page-faq .faq-index-item a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num note";
  gap: 4px 16px;
  align-items: baseline;
  padding: 18px clamp(16px, 2.4vw, 26px);
  border-radius: var(--radius-md);
  background: var(--star-blue);
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-index-item a:hover,
.page-faq .faq-index-item a:focus-visible {
  border-color: rgba(52, 209, 218, 0.55);
  background: #17385a;
  transform: translateX(4px);
}

.page-faq .faq-index-num {
  grid-area: num;
  font-size: 0.9rem;
  color: var(--red-gold);
  padding-top: 2px;
}

.page-faq .faq-index-title {
  grid-area: title;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .faq-index-note {
  grid-area: note;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-faint);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease), opacity 0.35s var(--ease);
}

.page-faq .faq-index-item a:hover .faq-index-note,
.page-faq .faq-index-item a:focus-visible .faq-index-note {
  max-height: 4rem;
  opacity: 1;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--star-blue);
}

.page-faq .media-caption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--text-faint);
}

/* ---------- 时效条 ---------- */
.page-faq .faq-bars {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-faq .faq-bar-row {
  padding: 0 0 4px;
  outline: none;
}

.page-faq .faq-bar-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 10px;
}

.page-faq .faq-bar-name {
  font-size: 0.98rem;
  font-weight: 600;
  color: inherit;
}

.page-faq .faq-bar-time {
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(26, 166, 178, 0.45);
  color: var(--faq-cyan-deep);
  white-space: nowrap;
}

.page-faq .faq-bar-track {
  position: relative;
  height: 12px;
  border-radius: var(--radius-pill);
  background-color: rgba(12, 15, 20, 0.07);
  background-image: repeating-linear-gradient(90deg, rgba(12, 15, 20, 0.14) 0 1px, transparent 1px 10%);
  background-size: 100% 100%;
  overflow: hidden;
}

.page-faq .faq-bar-fill {
  display: block;
  width: var(--w, 50%);
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(26, 166, 178, 0.32), var(--faq-cyan-deep));
  transform-origin: left center;
  animation: faq-bar-in 0.7s var(--ease) both;
}

@keyframes faq-bar-in {
  from { transform: scaleX(0.06); }
  to { transform: scaleX(1); }
}

.page-faq .faq-factors {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  opacity: 0.62;
  transition: opacity 0.3s var(--ease);
}

.page-faq .faq-bar-row:hover .faq-factors,
.page-faq .faq-bar-row:focus-within .faq-factors,
.page-faq .faq-bar-row:focus .faq-factors {
  opacity: 1;
}

.page-faq .faq-factors li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(12, 15, 20, 0.18);
  color: var(--ink-soft);
}

.page-faq .faq-factors .faq-factor-rate {
  border-color: rgba(26, 166, 178, 0.5);
  color: var(--faq-cyan-deep);
}

/* ---------- 保养对照 ---------- */
.page-faq .faq-maint-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-maint-table {
  display: grid;
  gap: 12px;
}

.page-faq .faq-maint-row {
  border-radius: var(--radius-md);
  background: var(--star-blue);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-maint-row[open] {
  border-color: rgba(200, 162, 74, 0.5);
}

.page-faq .faq-maint-row > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 18px clamp(16px, 2.4vw, 24px);
}

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

.page-faq .faq-maint-row > summary:focus-visible {
  outline: 2px solid var(--cold-cyan);
  outline-offset: -2px;
}

.page-faq .faq-ring-slot {
  display: inline-flex;
  color: var(--cold-cyan);
  line-height: 0;
}

.page-faq .faq-ring {
  display: block;
}

.page-faq .faq-maint-grade {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-faq .faq-grade-name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--red-gold);
}

.page-faq .faq-grade-load {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-soft);
}

.page-faq .faq-maint-interval {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--text);
  white-space: nowrap;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
}

.page-faq .faq-maint-body {
  background: var(--cold-white);
  color: var(--ink);
  padding: 20px clamp(16px, 2.4vw, 24px) 24px;
}

.page-faq .faq-maint-meta {
  margin: 0 0 18px;
  display: grid;
  gap: 12px;
}

.page-faq .faq-maint-meta div {
  display: grid;
  gap: 4px;
}

.page-faq .faq-maint-meta dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gold-ink);
}

.page-faq .faq-maint-meta dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-maint-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-maint-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-maint-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 1px;
  background: var(--copper-ink);
}

.page-faq .faq-ruler img {
  border-radius: var(--radius-md);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa-group {
  margin-top: clamp(30px, 4vw, 48px);
  display: grid;
  gap: 10px;
}

.page-faq .faq-qa {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-faq .faq-qa > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 18px clamp(16px, 2.4vw, 24px);
  background: var(--star-blue);
  color: var(--text);
  transition: background 0.3s var(--ease);
}

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

.page-faq .faq-qa > summary:hover {
  background: #17385a;
}

.page-faq .faq-qa > summary:focus-visible {
  outline: 2px solid var(--cold-cyan);
  outline-offset: -2px;
}

.page-faq .faq-qa-num {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--red-gold);
}

.page-faq .faq-qa-q {
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.6;
}

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

.page-faq .faq-qa-icon::before,
.page-faq .faq-qa-icon::after {
  content: "";
  position: absolute;
  background: var(--cold-cyan);
  transition: transform 0.3s var(--ease);
}

.page-faq .faq-qa-icon::before {
  left: 0;
  top: 6.5px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-qa-icon::after {
  top: 0;
  left: 6.5px;
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-qa[open] .faq-qa-icon::after {
  transform: scaleY(0);
}

.page-faq .faq-qa-body {
  background: var(--cold-white);
  color: var(--ink);
  padding: 20px clamp(16px, 2.4vw, 24px) 22px clamp(34px, 5vw, 56px);
}

.page-faq .faq-qa-body p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

/* ---------- 权益办理 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(12, 15, 20, 0.12);
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num text";
  gap: 4px 18px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid rgba(12, 15, 20, 0.12);
}

.page-faq .faq-step-num {
  grid-area: num;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--gold-ink);
  padding-top: 3px;
}

.page-faq .faq-step-title {
  grid-area: title;
  margin: 0;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-steps li p {
  grid-area: text;
  margin: 6px 0 0;
  max-width: 62ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 验收阶段 ---------- */
.page-faq .faq-phases {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-phases li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 49, 79, 0.85), rgba(10, 27, 48, 0.6));
}

.page-faq .faq-phases li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--red-gold), transparent);
}

.page-faq .faq-phase-tag {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--text-faint);
}

.page-faq .faq-phase-name {
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--text);
}

.page-faq .faq-phase-desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-support {
  background: linear-gradient(180deg, rgba(6, 18, 35, 0.0), var(--night-blue) 45%);
}

.page-faq .faq-support-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-support-card {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(20, 49, 79, 0.55);
}

.page-faq .faq-support-label {
  margin: 0 0 10px;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--red-gold);
}

.page-faq .faq-support-value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2vw, 1.06rem);
  letter-spacing: 0.02em;
  color: var(--cold-cyan);
  word-break: break-word;
}

.page-faq .faq-support-desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-support-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 40px);
}

.page-faq .faq-support-cta .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-maint-meta {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-faq .faq-maint-list {
    grid-template-columns: 1fr 1fr;
    gap: 8px 22px;
  }

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

  .page-faq .faq-support-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-index-item a {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "num title note";
    align-items: center;
    gap: 4px 22px;
  }

  .page-faq .faq-index-note {
    max-height: none;
    opacity: 0.75;
    text-align: right;
    max-width: 34ch;
  }

  .page-faq .faq-index-item a:hover .faq-index-note,
  .page-faq .faq-index-item a:focus-visible .faq-index-note {
    opacity: 1;
  }

  .page-faq .faq-maint-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-faq .faq-ruler {
    margin-top: 0;
    position: sticky;
    top: 110px;
  }

  .page-faq .faq-phases {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-bar-track {
    height: 14px;
  }
}

@media (min-width: 900px) and (max-width: 999px) {
  .page-faq .faq-maint-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-bar-fill {
    animation: none;
  }

  .page-faq .faq-index-item a,
  .page-faq .faq-index-note,
  .page-faq .faq-factors,
  .page-faq .faq-qa > summary,
  .page-faq .faq-qa-icon::before,
  .page-faq .faq-qa-icon::after {
    transition: none;
  }

  .page-faq .faq-index-item a:hover,
  .page-faq .faq-index-item a:focus-visible {
    transform: none;
  }
}
<<<END>>>

.page-faq {
  --w: 1rem;
}