.page-faq {
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  padding-bottom: clamp(2rem, 6vw, 4rem);
}

.page-faq .breadcrumb {
  padding-top: clamp(0.9rem, 2.5vw, 1.4rem);
}

.page-faq a {
  color: var(--teal-deep);
}

.page-faq .path-term {
  font-family: var(--font-mono);
  text-decoration: underline;
  text-decoration-color: var(--sand);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  color: var(--teal-deep);
  font-weight: 600;
}

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(1.4rem, 3.5vw, 2.6rem) 0 clamp(1.8rem, 4.5vw, 3rem);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 0.9rem;
  max-width: 15em;
  color: var(--ink);
}

.page-faq .faq-hero__dek {
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.9;
  color: var(--ink-80);
  max-width: 32em;
  margin: 0 0 1.1rem;
}

.page-faq .faq-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.page-faq .faq-hero__back {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--sand);
  padding-bottom: 3px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-hero__back:hover,
.page-faq .faq-hero__back:focus-visible {
  color: var(--sand-deep);
  border-color: var(--teal);
}

.page-faq .faq-hero__visual {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--haze);
  box-shadow: var(--shadow-card);
}

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

/* 横幅图 */
.page-faq .faq-band {
  margin: 0 0 clamp(1.6rem, 4vw, 2.6rem);
}

.page-faq .faq-band .media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--haze);
}

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

.page-faq .media-caption {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--ink-60);
  margin-top: 0.6rem;
  letter-spacing: 0.01em;
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.8rem);
  padding-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-faq .faq-index {
  background: var(--white);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  padding: 1rem 1.05rem 1.15rem;
  box-shadow: var(--shadow-card);
  align-self: start;
}

.page-faq .faq-index .toc__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0;
}

.page-faq .faq-index .toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

.page-faq .faq-index .toc__link {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.4;
  padding: 0.42rem 0.85rem;
  border-radius: var(--r-pill);
  background: var(--mist);
  border: 1px solid var(--hair);
  color: var(--ink-80);
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-index .toc__link:hover,
.page-faq .faq-index .toc__link:focus-visible {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.page-faq .faq-index .toc__link[aria-current="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

/* 分组 */
.page-faq .faq-group {
  margin-bottom: clamp(1.9rem, 4.5vw, 3rem);
  scroll-margin-top: 5.5rem;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  border-top: 2px solid var(--ink);
  padding-top: 0.85rem;
  margin-bottom: 0.5rem;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sand);
  flex: none;
}

.page-faq .faq-group__title {
  font-family: var(--font-head);
  font-size: clamp(1.18rem, 3.2vw, 1.5rem);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-group__desc {
  font-size: 0.94rem;
  color: var(--ink-60);
  margin: 0 0 1rem;
  max-width: 40em;
}

/* 步骤 */
.page-faq .step-list {
  list-style: none;
  margin: 0 0 1.15rem;
  padding: 0.95rem 1.05rem;
  display: grid;
  gap: 0.65rem;
  background: var(--haze);
  border-radius: var(--r-md);
}

.page-faq .step-list__item {
  display: grid;
  grid-template-columns: 1.75rem 1fr;
  gap: 0.7rem;
  align-items: start;
}

.page-faq .step-list__num {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--white);
  color: var(--teal-deep);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1;
}

.page-faq .step-list__text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-80);
}

/* 折叠问答 */
.page-faq .fold {
  background: var(--white);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  margin-bottom: 0.65rem;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .fold:hover {
  border-color: var(--hair);
}

.page-faq .fold[open] {
  border-color: rgba(15, 107, 122, 0.4);
  box-shadow: var(--shadow-card);
}

.page-faq .fold__summary {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.25s var(--ease);
}

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

.page-faq .fold__summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
  color: var(--teal);
}

.page-faq .fold[open] .fold__summary {
  color: var(--teal-deep);
}

.page-faq .fold[open] .fold__summary::after {
  content: "−";
  color: var(--sand);
}

.page-faq .fold__summary h3 {
  font: inherit;
  margin: 0;
}

.page-faq .fold__summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-faq .faq-q__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--flag);
  flex: none;
  letter-spacing: 0.04em;
}

.page-faq .fold__body {
  padding: 0.85rem 1.05rem 1.1rem;
  border-top: 1px dashed var(--hair);
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--ink-80);
}

.page-faq .fold__body p {
  margin: 0;
}

/* 章节配图 */
.page-faq .faq-figure {
  margin: 1.2rem 0 0;
}

.page-faq .faq-figure__frame {
  aspect-ratio: 5 / 4;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--haze);
}

.page-faq .faq-figure__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 相关入口 */
.page-faq .faq-next {
  border-top: 1px solid var(--hair);
  padding-top: clamp(1.3rem, 3vw, 1.9rem);
}

.page-faq .faq-next__title {
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 2.8vw, 1.25rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0 0 0.9rem;
  color: var(--ink);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-next__item a {
  display: block;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-sm);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-next__item a:hover,
.page-faq .faq-next__item a:focus-visible {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.page-faq .faq-next__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--sand-deep);
  margin-bottom: 0.2rem;
}

.page-faq .faq-next__name {
  display: block;
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.55;
}

/* 联系支持 */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 72px);
  color: var(--mist);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 4.5vw, 2.8rem);
  margin-top: clamp(1.4rem, 4vw, 2.4rem);
}

.page-faq .faq-contact__title {
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  color: var(--white);
}

.page-faq .faq-contact__lead {
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(245, 248, 248, 0.78);
  margin: 0 0 1.3rem;
  max-width: 36em;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-contact__item {
  border-left: 2px solid var(--teal-soft);
  padding-left: 0.85rem;
}

.page-faq .faq-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--teal-soft);
  margin-bottom: 0.15rem;
}

.page-faq .faq-contact__value {
  display: block;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact__value--mail {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
}

.page-faq .faq-contact__note {
  font-size: 0.82rem;
  line-height: 1.8;
  color: rgba(245, 248, 248, 0.66);
  margin: 1.3rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-faq .faq-contact__link {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__link:hover,
.page-faq .faq-contact__link:focus-visible {
  color: var(--white);
}

/* 窄屏收敛 */
@media (max-width: 420px) {
  .page-faq .faq-hero__lead h1 {
    font-size: 1.85rem;
  }

  .page-faq .fold__summary {
    padding: 0.85rem 0.9rem;
    font-size: 0.94rem;
  }

  .page-faq .fold__body {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }
}

/* 中屏起展开 */
@media (min-width: 640px) {
  .page-faq .faq-next__list {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem 1.6rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 258px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-faq .faq-index .toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-index .toc__link {
    display: block;
    border-radius: var(--r-sm);
    padding: 0.5rem 0.8rem;
  }

  .page-faq .faq-group__head {
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-faq .faq-next__item a:hover {
    transform: none;
  }
}
<<<END>>>