.page-faq {
  --faq-line-light: rgba(243, 233, 218, .18);
  --faq-line-dark: rgba(14, 27, 42, .14);
  --faq-cyan-soft: rgba(38, 217, 211, .16);
  background: var(--paper);
  color: var(--ink-deep);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(18px, 3vw, 28px) 0 clamp(30px, 4.5vw, 52px);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(243, 233, 218, .05) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin: 0 0 clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-hero .breadcrumb ol {
  color: rgba(243, 233, 218, .72);
}

.page-faq .faq-hero .breadcrumb li {
  color: rgba(243, 233, 218, .72);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--yellow);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero .eyebrow {
  display: block;
  margin: 0 0 14px;
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 78px);
  line-height: 1.03;
  letter-spacing: -.01em;
  color: var(--white);
  text-wrap: balance;
}

.page-faq .faq-hero .lede {
  margin: 0 0 26px;
  max-width: 34em;
  color: rgba(243, 233, 218, .82);
  font-size: var(--step-1);
  line-height: 1.7;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--faq-line-light);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-faq .faq-hero__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: rgba(243, 233, 218, .62);
}

/* ---------- 快速排查 ---------- */
.page-faq .faq-triage {
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--faq-line-light);
  padding: clamp(30px, 5vw, 56px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-triage .eyebrow {
  display: block;
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
}

.page-faq .faq-triage h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.12;
  color: var(--white);
}

.page-faq .faq-triage__note {
  margin: 0;
  max-width: 46em;
  color: rgba(243, 233, 218, .74);
  font-size: 15px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  padding: 18px 20px 20px;
  background: rgba(243, 233, 218, .05);
  border-top: 2px solid var(--cyan);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
  margin-bottom: 10px;
}

.page-faq .faq-step__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: rgba(38, 217, 211, .9);
}

.page-faq .faq-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(243, 233, 218, .74);
}

/* ---------- 主体问答 ---------- */
.page-faq .faq-body {
  padding: clamp(34px, 5.5vw, 78px) 0 clamp(44px, 7vw, 92px);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-faq .faq-drawers {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-faq .faq-drawers__title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-faq .faq-drawer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 10px 14px;
  background: var(--paper-warm);
  border: 1px solid var(--paper-edge);
  border-left: 4px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.3;
  transition: background-color .18s ease, border-color .18s ease, transform .18s ease;
}

.page-faq .faq-drawer:hover,
.page-faq .faq-drawer:focus-visible {
  background: var(--white);
  border-left-color: var(--red);
  transform: translateX(2px);
}

.page-faq .faq-drawer__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--slate);
}

.page-faq .faq-drawer__name {
  min-width: 0;
}

.page-faq .faq-drawer__count {
  padding: 2px 7px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(32px, 4.5vw, 54px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-group__note a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 3px;
}

.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--white);
  border: 1px solid var(--paper-edge);
  border-left: 3px solid var(--paper-edge);
  box-shadow: var(--shadow-card);
  transition: border-color .18s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--red);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 20px;
  gap: 10px;
  align-items: start;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-ink);
}

.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-item__icon {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--ink);
  flex: none;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: opacity .18s ease, transform .18s ease;
}

.page-faq .faq-item__icon::before {
  left: 3px;
  right: 3px;
  top: 50%;
  height: 1px;
  margin-top: -.5px;
}

.page-faq .faq-item__icon::after {
  top: 3px;
  bottom: 3px;
  left: 50%;
  width: 1px;
  margin-left: -.5px;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
  transform: scaleY(.2);
}

.page-faq .faq-item__body {
  padding: 0 16px 16px 42px;
  border-top: 1px solid var(--faq-line-dark);
  margin-top: 12px;
  padding-top: 12px;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: #2B3341;
  overflow-wrap: anywhere;
}

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

.page-faq .faq-item__body a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  text-decoration-color: var(--red);
}

.page-faq .faq-figure {
  margin: 18px 0 0;
  padding: 12px;
  background: var(--paper-warm);
  border: 1px solid var(--paper-edge);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(32px, 4.5vw, 58px);
  padding: clamp(22px, 3.5vw, 40px);
  background: var(--ink);
  color: var(--paper);
  border-left: 6px solid var(--cyan);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-contact h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  color: var(--white);
}

.page-faq .faq-contact > p {
  margin: 0 0 20px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 233, 218, .78);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__list li {
  display: grid;
  gap: 2px;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__links {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--faq-line-light);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.page-faq .faq-contact__links a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 217, 211, .45);
  padding-bottom: 1px;
}

.page-faq .faq-contact__links a:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-drawers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-drawers__title {
    grid-column: 1 / -1;
  }

  .page-faq .faq-drawer {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px;
    align-items: start;
  }

  .page-faq .faq-drawer__num {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
  }

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

  .page-faq .faq-step {
    padding: 22px 24px 24px;
  }

  .page-faq .faq-step + .faq-step {
    border-left: 1px solid var(--faq-line-light);
  }
}

@media (min-width: 940px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-drawers {
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: 20px;
  }

  .page-faq .faq-drawer {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
  }

  .page-faq .faq-drawer__num {
    grid-column: auto;
  }
}

@media (max-width: 519px) {
  .page-faq .faq-item__body {
    padding-left: 16px;
    padding-right: 14px;
  }

  .page-faq .faq-item summary {
    grid-template-columns: auto minmax(0, 1fr) 18px;
    gap: 8px;
    padding: 13px 14px;
  }

  .page-faq .faq-item__q {
    font-size: 15px;
  }
}
<<<END>>>