.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.page-faq a {
  color: inherit;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: 22px 44px;
  background-color: var(--paper);
  background-image:
    linear-gradient(90deg, rgba(201, 162, 39, 0.1) 1px, transparent 1px),
    linear-gradient(180deg, rgba(201, 162, 39, 0.1) 1px, transparent 1px);
  background-size: 56px 56px;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .breadcrumb {
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-faq .breadcrumb__link {
  color: var(--smoke);
  text-decoration: none;
}

.page-faq .breadcrumb__link:hover {
  color: var(--cinnabar);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(24px, 4vw, 46px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  max-width: 19em;
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(14, 26, 43, 0.78);
}

.page-faq .faq-hero .eyebrow {
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  margin: 0;
}

.page-faq .faq-index {
  border-top: 2px solid var(--ink);
  padding-top: 12px;
  align-self: start;
}

.page-faq .faq-index__caption {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-block: 10px;
  border-bottom: 1px solid var(--line-light);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-index__list a:hover {
  color: var(--cinnabar);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-faq .faq-figures > div {
  background: var(--paper);
  padding: 16px 18px;
}

.page-faq .faq-figures__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}

.page-faq .faq-figures__label {
  margin: 6px 0 0;
  font-size: 13px;
  color: rgba(14, 26, 43, 0.62);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-band {
  padding-block: clamp(44px, 6vw, 84px);
}

.page-faq .faq-band__head {
  max-width: 44em;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-band__head h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.25;
  margin: 10px 0 0;
}

.page-faq .faq-band__lede {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
}

.page-faq .faq-band--steps .eyebrow,
.page-faq .faq-band--checks .eyebrow {
  color: var(--cinnabar-soft);
}

.page-faq .faq-band--terms .eyebrow,
.page-faq .faq-band--myths .eyebrow {
  color: var(--cinnabar);
}

.page-faq .faq-band .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

/* ---------- 六步上手 ---------- */
.page-faq .faq-band--steps {
  background-color: var(--ink);
  background-image:
    linear-gradient(90deg, rgba(217, 195, 160, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(217, 195, 160, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--paper);
}

.page-faq .faq-band--steps .faq-band__lede {
  color: var(--sand);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  overflow: hidden;
}

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

.page-faq .faq-figure__caption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--smoke);
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-steps {
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-step:hover {
  border-color: rgba(79, 209, 197, 0.55);
}

.page-faq .faq-step__summary {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 16px;
  gap: 14px;
  align-items: start;
  padding: 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step__seal {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
}

.page-faq .faq-step__text {
  display: block;
  min-width: 0;
}

.page-faq .faq-step__title {
  display: block;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-step__hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--smoke);
}

.page-faq .faq-step__chev {
  width: 10px;
  height: 10px;
  margin-top: 22px;
  border-right: 1.5px solid var(--smoke);
  border-bottom: 1.5px solid var(--smoke);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-step[open] .faq-step__chev {
  transform: rotate(-135deg);
  border-color: var(--jade);
}

.page-faq .faq-step__body {
  padding: 14px 18px 20px;
  border-top: 1px solid var(--line-dark);
}

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

.page-faq .faq-step__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sand);
}

.page-faq .faq-step__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 1px;
  background: var(--jade);
}

.page-faq .faq-step__link {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--smoke);
}

.page-faq .faq-step__link a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 197, 0.45);
}

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

/* ---------- 术语速查 ---------- */
.page-faq .faq-band--terms {
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-terms {
  display: grid;
  gap: 30px;
}

.page-faq .faq-terms__aside h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.28;
  margin: 10px 0 0;
}

.page-faq .faq-terms__intro {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(14, 26, 43, 0.76);
}

.page-faq .faq-terms__figure {
  margin: 22px 0 0;
  border: 1px solid var(--line-light);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .faq-terms__figure .faq-figure__caption {
  border-top: 1px solid var(--line-light);
  color: var(--smoke);
}

.page-faq .faq-terms__more {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid rgba(194, 64, 46, 0.4);
  padding-bottom: 2px;
}

.page-faq .faq-terms__more:hover {
  color: var(--cinnabar-deep);
  border-bottom-color: var(--cinnabar-deep);
}

.page-faq .faq-terms__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0 0 24px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  align-items: start;
}

.page-faq .faq-term {
  background: var(--paper);
  padding: 16px 18px;
}

.page-faq .faq-term__name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-term__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(14, 26, 43, 0.74);
}

.page-faq .faq-term__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--smoke);
}

.page-faq .faq-term .tag {
  font-family: var(--font-sans);
  font-size: 11.5px;
  padding: 2px 7px;
  border-radius: 2px;
}

/* ---------- 问题排查 ---------- */
.page-faq .faq-band--checks {
  background-color: var(--ink-3);
  background-image: linear-gradient(180deg, rgba(201, 162, 39, 0.08) 0, transparent 180px);
  color: var(--paper);
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-band--checks .faq-band__lede {
  color: var(--sand);
}

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

.page-faq .faq-check {
  background: var(--ink);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
}

.page-faq .faq-check__summary {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-check__summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--jade);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-check[open] .faq-check__summary::before {
  transform: scaleY(1);
}

.page-faq .faq-check__no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-check__title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-check__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--smoke);
}

.page-faq .faq-check__list {
  list-style: none;
  margin: 0;
  padding: 14px 16px 18px;
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-check__symptom {
  margin: 0;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-check__fix {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sand);
}

.page-faq .faq-check__step {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  border: 1px solid rgba(79, 209, 197, 0.45);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--jade);
  vertical-align: 1px;
}

/* ---------- 误区对照 ---------- */
.page-faq .faq-band--myths {
  background: var(--paper-2);
  color: var(--ink);
}

.page-faq .faq-myths {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-myths th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--smoke);
}

.page-faq .faq-myths td {
  padding: 16px 12px;
  vertical-align: top;
  line-height: 1.75;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-myths td:first-child {
  color: rgba(14, 26, 43, 0.7);
}

.page-faq .faq-myths__mk {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  vertical-align: 1px;
}

.page-faq .faq-myths__mk--warn {
  color: var(--moss);
  border: 1px solid rgba(63, 110, 90, 0.5);
}

.page-faq .faq-myths__mk--ok {
  color: var(--cinnabar);
  border: 1px solid rgba(194, 64, 46, 0.45);
}

/* ---------- 还需要帮助 ---------- */
.page-faq .faq-band--help {
  background: var(--cinnabar-deep);
  color: var(--paper);
}

.page-faq .faq-help {
  display: grid;
  gap: 30px;
}

.page-faq .faq-band--help .eyebrow {
  color: rgba(244, 237, 225, 0.72);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.page-faq .faq-help__say h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 33px);
  line-height: 1.28;
  margin: 10px 0 0;
}

.page-faq .faq-help__say p {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 225, 0.86);
}

.page-faq .faq-help__cta {
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
  padding: 12px 22px;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-help__cta:hover {
  background: var(--gold);
  color: var(--ink-3);
}

.page-faq .faq-help__channels {
  align-self: start;
  border-top: 1px solid rgba(244, 237, 225, 0.4);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(244, 237, 225, 0.25);
}

.page-faq .faq-help__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(244, 237, 225, 0.7);
}

.page-faq .faq-help__value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 237, 225, 0.82);
}

.page-faq .faq-help__note a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 237, 225, 0.6);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-step__body {
    padding: 16px 20px 22px 88px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-term:nth-child(even) {
    position: relative;
    top: 18px;
  }

  .page-faq .faq-check__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 28px;
    padding-left: 62px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 248px;
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-step:nth-child(1),
  .page-faq .faq-step:nth-child(6) {
    grid-column: 1 / -1;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 56px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-terms {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (max-width: 639px) {
  .page-faq .faq-myths thead {
    display: none;
  }

  .page-faq .faq-myths,
  .page-faq .faq-myths tbody,
  .page-faq .faq-myths tr,
  .page-faq .faq-myths td {
    display: block;
    width: 100%;
  }

  .page-faq .faq-myths tr {
    padding: 14px 0;
    border-bottom: 1px solid var(--line-light);
  }

  .page-faq .faq-myths td {
    border: 0;
    padding: 0 0 8px;
  }

  .page-faq .faq-myths td:last-child {
    padding-bottom: 0;
  }

  .page-faq .faq-myths td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--smoke);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-step__chev,
  .page-faq .faq-check__summary::before,
  .page-faq .faq-index__list a,
  .page-faq .faq-help__cta {
    transition-duration: 0.01ms;
  }
}
<<<END>>>