.page-faq {
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--ink);
}

.page-faq h2 {
  font-size: clamp(1.7rem, 4.6vw, 2.7rem);
  margin-bottom: 0.5em;
}

.page-faq h3 {
  font-size: 1.08rem;
  font-weight: 800;
}

.page-faq p {
  margin: 0 0 0.9em;
  font-size: 1rem;
  line-height: 1.78;
}

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

.page-faq .lede {
  max-width: 60ch;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  color: rgba(18, 33, 29, 0.86);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--teal);
  margin: 0 0 0.9em;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.page-faq .eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--teal);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 40px) 0 clamp(34px, 6vw, 60px);
  border-bottom: var(--bd-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: 62%;
  height: 160%;
  background-image: repeating-linear-gradient(
    112deg,
    rgba(11, 127, 138, 0.14) 0 2px,
    transparent 2px 30px
  );
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .breadcrumb {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: rgba(18, 33, 29, 0.6);
  margin-bottom: clamp(20px, 4vw, 40px);
}

.page-faq .breadcrumb a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 127, 138, 0.35);
}

.page-faq .breadcrumb__sep {
  margin: 0 0.5em;
  color: rgba(18, 33, 29, 0.35);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero h1 {
  font-size: clamp(2.1rem, 7.6vw, 4.4rem);
  line-height: 1.03;
  margin-bottom: 0.42em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.6em;
}

.page-faq .cta {
  display: inline-block;
  padding: 0.82em 1.5em;
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .cta--signal {
  background: var(--orange);
  color: var(--ink);
}

.page-faq .cta--signal:hover {
  transform: translateY(-2px);
}

.page-faq .cta--ghost {
  border-color: rgba(18, 33, 29, 0.28);
  color: var(--ink);
}

.page-faq .cta--ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.page-faq .faq-quick {
  background: var(--ink-2);
  color: var(--white);
  padding: 18px 20px;
  border-radius: 2px;
  box-shadow: 0 18px 34px -26px rgba(18, 33, 29, 0.85);
}

.page-faq .faq-quick__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--teal-soft);
  margin: 0 0 0.7em;
}

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

.page-faq .faq-quick__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: var(--bd-hair-light);
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(255, 253, 247, 0.84);
}

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

.page-faq .faq-quick__num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--amber);
  min-width: 3.2em;
}

/* ---------- 五栏目录 ---------- */
.page-faq .faq-catalog {
  padding: clamp(36px, 6vw, 76px) 0;
  background: var(--sand);
  border-bottom: var(--bd-hair);
}

.page-faq .faq-catalog__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-faq .faq-catalog__head p:last-child {
  color: rgba(18, 33, 29, 0.78);
  margin-bottom: 0;
}

.page-faq .cat-track {
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .cat-card {
  scroll-snap-align: start;
  flex: 0 0 74%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--white);
  border: var(--bd-hair);
  border-radius: 2px;
}

.page-faq .cat-card--feature {
  flex: 0 0 88%;
  background: var(--ink-2);
  border-color: transparent;
  color: var(--white);
}

.page-faq .cat-card__num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}

.page-faq .cat-card--feature .cat-card__num {
  color: var(--teal-soft);
}

.page-faq .cat-card--feature .cat-card__title {
  color: var(--white);
}

.page-faq .cat-card__text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(18, 33, 29, 0.78);
  margin: 0;
  flex: 1;
}

.page-faq .cat-card--feature .cat-card__text {
  color: rgba(255, 253, 247, 0.82);
}

.page-faq .cat-card__link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 127, 138, 0.4);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-faq .cat-card--feature .cat-card__link {
  color: var(--teal-soft);
  border-bottom-color: rgba(119, 205, 211, 0.5);
}

.page-faq .cat-card__link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 2px;
  align-self: flex-start;
}

.page-faq .tag--amber {
  background: var(--amber);
  color: var(--ink);
}

/* ---------- 适配清单 ---------- */
.page-faq .faq-adapt {
  padding: clamp(38px, 6vw, 78px) 0 clamp(30px, 5vw, 60px);
  background: var(--paper);
}

.page-faq .faq-adapt__head {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-faq .adapt-figure {
  margin: 0;
}

.page-faq .adapt-figure img {
  width: 100%;
  border: var(--bd-hair);
  border-radius: 2px;
  box-shadow: 0 22px 40px -32px rgba(18, 33, 29, 0.8);
  object-fit: cover;
}

.page-faq .adapt-note {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(18, 33, 29, 0.66);
  border-left: 3px solid var(--amber);
  padding-left: 14px;
  margin-bottom: 0;
}

.page-faq .adapt-chipnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0 18px;
  border-top: var(--bd-hair);
  border-bottom: var(--bd-hair);
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-faq .adapt-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: var(--bd-hair);
  border-radius: 999px;
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .adapt-chip__num {
  color: var(--teal);
  font-weight: 700;
}

.page-faq .adapt-chip:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.page-faq .check-group {
  margin-bottom: clamp(24px, 4vw, 36px);
}

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

.page-faq .check-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 4px;
}

.page-faq .check-group__meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--teal);
  margin-left: auto;
}

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

.page-faq .check-list > li:nth-child(even) {
  background: rgba(234, 220, 199, 0.55);
}

.page-faq .check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 10px;
  border-bottom: var(--bd-hair);
  font-size: 0.94rem;
  line-height: 1.55;
  cursor: pointer;
}

.page-faq .check__box {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  accent-color: var(--teal);
  cursor: pointer;
}

.page-faq .check__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--teal);
  min-width: 2.6em;
  padding-top: 0.28em;
}

.page-faq .check__text {
  flex: 1;
}

/* ---------- 四步走 ---------- */
.page-faq .faq-steps {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 86px) 0;
  background: var(--ink-2);
  color: var(--white);
}

.page-faq .faq-steps .eyebrow {
  color: var(--teal-soft);
}

.page-faq .faq-steps .eyebrow::before {
  background: var(--teal-soft);
}

.page-faq .faq-steps h2 {
  color: var(--white);
}

.page-faq .step-track {
  list-style: none;
  margin: 0 0 clamp(22px, 4vw, 34px);
  padding: 0 0 14px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .step {
  scroll-snap-align: start;
  flex: 0 0 78%;
  padding: 20px 18px;
  background: rgba(255, 253, 247, 0.05);
  border: 1px solid rgba(246, 239, 227, 0.18);
  border-left: 3px solid var(--teal-soft);
  border-radius: 2px;
}

.page-faq .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--teal-soft);
  line-height: 1;
  margin-bottom: 10px;
}

.page-faq .step__title {
  color: var(--white);
  margin-bottom: 6px;
}

.page-faq .step__text {
  font-size: 0.92rem;
  line-height: 1.72;
  color: rgba(255, 253, 247, 0.76);
  margin: 0;
}

.page-faq .steps-figure {
  margin: 0;
}

.page-faq .steps-figure img {
  width: 100%;
  border-radius: 2px;
  object-fit: cover;
  border: 1px solid rgba(246, 239, 227, 0.14);
}

/* ---------- FAQ ---------- */
.page-faq .faq-ask {
  padding: clamp(38px, 6vw, 80px) 0;
  background: var(--paper);
}

.page-faq .ask-list {
  margin-top: clamp(16px, 3vw, 26px);
  border-top: var(--bd-hair);
}

.page-faq .ask-item {
  border-bottom: var(--bd-hair);
}

.page-faq .ask-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .ask-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--teal);
  flex: 0 0 auto;
}

.page-faq .ask-item[open] summary::after {
  content: "−";
}

.page-faq .ask-item[open] summary {
  color: var(--teal);
}

.page-faq .ask-item__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  flex: 0 0 auto;
  padding-top: 0.25em;
}

.page-faq .ask-item__a {
  margin: 0;
  padding: 0 0 18px 2.9em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(18, 33, 29, 0.8);
  max-width: 66ch;
}

/* ---------- 排查路径 ---------- */
.page-faq .faq-route {
  padding: clamp(38px, 6vw, 76px) 0;
  background: var(--sand);
  border-top: var(--bd-hair);
  border-bottom: var(--bd-hair);
}

.page-faq .route-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .route-item {
  display: flex;
  gap: 14px;
  padding: 20px 18px;
  background: var(--white);
  border: var(--bd-hair);
  border-top: 3px solid var(--teal);
  border-radius: 2px;
}

.page-faq .route-item__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.page-faq .route-item__body {
  flex: 1;
}

.page-faq .route-item__title {
  margin-bottom: 8px;
}

.page-faq .route-item__text {
  font-size: 0.93rem;
  line-height: 1.72;
  color: rgba(18, 33, 29, 0.78);
  margin-bottom: 0.8em;
}

/* ---------- 联系 ---------- */
.page-faq .faq-help {
  padding: clamp(36px, 6vw, 76px) 0;
  background: var(--paper);
}

.page-faq .help-card {
  background: var(--ink-2);
  color: var(--white);
  border-top: 4px solid var(--orange);
  padding: clamp(22px, 4vw, 44px);
  border-radius: 2px;
}

.page-faq .help-card .eyebrow {
  color: var(--amber);
}

.page-faq .help-card .eyebrow::before {
  background: var(--amber);
}

.page-faq .help-card h2 {
  color: var(--white);
}

.page-faq .help-card__lead {
  color: rgba(255, 253, 247, 0.82);
  max-width: 62ch;
  margin-bottom: 1.4em;
}

.page-faq .help-card__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 13px 0;
  border-bottom: var(--bd-hair-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-faq .help-card__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--teal-soft);
  min-width: 6em;
  padding-top: 0.3em;
}

.page-faq .help-card__value {
  flex: 1;
  min-width: 200px;
  color: rgba(255, 253, 247, 0.94);
  word-break: break-word;
}

.page-faq .help-card__note {
  margin: 1.3em 0;
  font-size: 0.9rem;
  color: rgba(255, 253, 247, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .check-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 20px;
  }

  .page-faq .check-list > li {
    border-bottom: var(--bd-hair);
  }

  .page-faq .cat-card {
    flex: 0 0 46%;
  }

  .page-faq .cat-card--feature {
    flex: 0 0 56%;
  }

  .page-faq .step {
    flex: 0 0 46%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.68fr);
    align-items: end;
  }

  .page-faq .cat-track {
    display: grid;
    grid-template-columns: 0.86fr 1.55fr 0.86fr 0.86fr 0.86fr;
    overflow-x: visible;
    padding-bottom: 0;
    align-items: stretch;
  }

  .page-faq .cat-card,
  .page-faq .cat-card--feature {
    flex: initial;
  }

  .page-faq .cat-card--feature {
    padding: 24px 22px;
  }

  .page-faq .faq-adapt__head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-faq .step-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-faq .step {
    flex: initial;
  }

  .page-faq .route-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .ask-item summary {
    font-size: 1.04rem;
  }
}

@media (min-width: 1100px) {
  .page-faq .check-group#adapt-settings .check-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .check {
    padding: 10px 12px;
  }
}
<<<END>>>