.page-faq {
  --faq-pad: clamp(16px, 2.4vw, 24px);
  background: var(--paper);
  color: var(--ink);
}

.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(64vw, 640px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(152deg, rgba(24, 200, 216, .34), rgba(24, 200, 216, 0) 64%);
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -42%;
  width: 46%;
  height: 82%;
  background: var(--coral);
  opacity: .14;
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
  padding-top: clamp(20px, 3vw, 30px);
  padding-bottom: clamp(34px, 6vw, 62px);
}

.page-faq .faq-hero .breadcrumbs {
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-size: 13px;
}

.page-faq .faq-hero .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero .breadcrumbs li {
  display: flex;
  gap: 8px;
  color: var(--on-dark);
}

.page-faq .faq-hero .breadcrumbs li + li::before {
  content: "/";
  color: rgba(247, 243, 234, .38);
}

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

.page-faq .faq-hero .breadcrumbs a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

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

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -.01em;
  font-weight: 800;
  max-width: 22ch;
}

.page-faq .faq-hero__text {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--on-dark-strong);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-hero .btn--outline {
  border-color: rgba(247, 243, 234, .45);
  color: var(--paper);
}

.page-faq .faq-hero .btn--outline:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

/* 首屏问题索引卡 */
.page-faq .faq-index {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line-ink);
  box-shadow: 8px 8px 0 rgba(24, 200, 216, .38);
  padding: var(--faq-pad);
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
  text-transform: uppercase;
}

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

.page-faq .faq-index li + li {
  border-top: 1px dashed var(--line-soft);
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: 10px;
  align-items: center;
  padding: 11px 4px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index a:hover {
  background: rgba(24, 200, 216, .12);
  color: var(--navy);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--coral);
  letter-spacing: .04em;
}

/* ---------- 通用区块头 ---------- */
.page-faq .faq-head {
  max-width: 60ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--navy);
  margin: 0 0 10px;
}

.page-faq .faq-head .section-head__title {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.24;
  font-weight: 800;
}

.page-faq .faq-head .section-head__note {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 2px;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-link:hover {
  color: var(--ink);
  background: rgba(24, 200, 216, .16);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-path {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqpath;
}

.page-faq .faq-path__item {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line-ink);
  border-top: 4px solid var(--cyan);
  padding: clamp(18px, 2.4vw, 26px);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-path__item:nth-child(2) {
  border-top-color: var(--coral);
}

.page-faq .faq-path__item:nth-child(3) {
  border-top-color: var(--navy);
}

.page-faq .faq-path__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  opacity: .22;
  margin-bottom: 12px;
}

.page-faq .faq-path__item h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
}

.page-faq .faq-path__item p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-faq .faq-group {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-group:first-of-type {
  margin-top: 0;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--ink);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
}

.page-faq .faq-group__range {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--coral);
}

.page-faq .faq-q {
  background: var(--card);
  border: 1px solid var(--line-ink);
  border-left: 4px solid var(--mist);
  margin-bottom: 10px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-q[open] {
  border-left-color: var(--cyan);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-q__head {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) 1.1rem;
  gap: 10px;
  align-items: center;
  padding: 15px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q__head:hover {
  background: rgba(24, 200, 216, .07);
}

.page-faq .faq-q__num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--coral);
  letter-spacing: .02em;
}

.page-faq .faq-q__title {
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
}

.page-faq .faq-q__sign {
  position: relative;
  justify-self: end;
  width: 14px;
  height: 14px;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--navy);
}

.page-faq .faq-q__sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-faq .faq-q__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
  transition: transform .2s var(--ease);
}

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

.page-faq .faq-q__body {
  padding: 0 14px 16px;
  border-top: 1px dashed var(--line-soft);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .faq-q__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

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

.page-faq .faq-q__more {
  margin-top: 12px;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}

.page-faq .faq-figure .media {
  max-width: 100%;
  background: var(--mist);
}

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

.page-faq .faq-figure .media__caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-figure--v3 {
  max-width: 620px;
}

/* ---------- 右侧操作台 ---------- */
.page-faq .faq-console {
  background: var(--navy);
  color: var(--paper);
  border: 1px solid rgba(247, 243, 234, .22);
  padding: var(--faq-pad);
}

.page-faq .faq-console__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .faq-console__title {
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 800;
  color: var(--paper);
}

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

.page-faq .faq-console__list li + li {
  border-top: 1px dashed rgba(247, 243, 234, .22);
}

.page-faq .faq-console__list a {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 8px;
  align-items: center;
  padding: 11px 2px;
  color: var(--on-dark-strong);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-console__list a:hover {
  color: var(--cyan-soft);
  padding-left: 6px;
}

.page-faq .faq-console__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--coral);
}

.page-faq .faq-console__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark);
}

/* ---------- 订阅 ---------- */
.page-faq .faq-subscribe {
  background: linear-gradient(180deg, var(--paper) 0%, rgba(140, 232, 239, .28) 100%);
}

.page-faq .faq-subscribe__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}

.page-faq .faq-subscribe .faq-figure {
  margin: 0;
  order: 2;
}

.page-faq .faq-subscribe .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--navy);
  margin: 0 0 10px;
}

.page-faq .faq-subscribe h2 {
  margin: 0 0 18px;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.22;
  font-weight: 800;
}

.page-faq .faq-steps {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 6px 12px;
  align-items: start;
  background: var(--card);
  border: 1px solid var(--line-ink);
  border-left: 4px solid var(--coral);
  padding: 14px 16px;
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--coral);
}

.page-faq .faq-step__label {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
}

.page-faq .faq-step p {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-subscribe__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
  border-left: 3px solid var(--cyan);
  padding-left: 12px;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact__panel {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  background: var(--ink);
  color: var(--paper);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid rgba(247, 243, 234, .18);
}

.page-faq .faq-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-faq .faq-contact h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.26;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-contact__intro p {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-dark-strong);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-copy {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  border: 1px solid var(--cyan);
  background: var(--cyan);
  color: var(--ink);
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-copy:hover {
  background: transparent;
  color: var(--cyan-soft);
}

.page-faq .faq-contact .btn--ghost {
  border-color: rgba(247, 243, 234, .42);
  color: var(--paper);
}

.page-faq .faq-contact .btn--ghost:hover {
  border-color: var(--coral);
  color: var(--coral);
}

.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(247, 243, 234, .2);
}

.page-faq .faq-contact__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(247, 243, 234, .2);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-soft);
}

.page-faq .faq-contact__list strong {
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__list li {
    grid-template-columns: 8rem minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-faq .faq-index {
    margin-top: 6px;
  }

  .page-faq .faq-subscribe__inner {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .page-faq .faq-subscribe .faq-figure {
    order: 0;
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    align-items: start;
  }
}

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

  .page-faq .faq-body__aside {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path__item,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-console__list a,
  .page-faq .faq-index a,
  .page-faq .faq-copy {
    transition: none;
  }

  .page-faq .faq-path__item:hover {
    transform: none;
  }

  .page-faq .faq-console__list a:hover {
    padding-left: 2px;
  }
}
<<<END>>>