.page-faq .crumbs {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero {
  padding-top: clamp(12px, 2vw, 20px);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-faq .faq-stats > div {
  padding: 14px 16px;
  background: var(--paper);
}

.page-faq .faq-stats dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--pencil);
}

.page-faq .faq-stats dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3vw, 1.9rem);
  line-height: 1;
  color: var(--ink);
}

.page-faq .faq-hero__media {
  margin: clamp(26px, 4vw, 42px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--beige);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 双栏骨架 */
.page-faq .faq-layout {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-faq .faq-rail {
  margin-bottom: clamp(24px, 4vw, 32px);
}

.page-faq .faq-rail__title {
  display: none;
  margin: 0 0 14px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--pencil);
}

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

.page-faq .faq-rail__list--inline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 12px;
  margin-top: 12px;
}

.page-faq .faq-rail__drop {
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--beige);
}

.page-faq .faq-rail__drop > summary {
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--ink);
}

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

.page-faq .faq-rail__drop > summary::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
  color: var(--pencil);
}

.page-faq .faq-rail__drop[open] > summary::after {
  content: "－";
}

.page-faq .faq-rail__drop .faq-rail__list {
  padding: 0 16px 14px;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.92rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-faq .faq-rail__link .mono {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--autumn);
}

.page-faq .faq-rail__link:hover {
  color: var(--autumn);
  border-bottom-color: var(--highlight);
}

.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--autumn);
}

/* 分组 */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 76px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 4px 16px;
  padding: clamp(16px, 3vw, 26px);
  background: var(--beige);
  border-radius: var(--r);
  margin-bottom: 6px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--season, var(--pencil));
}

.page-faq .faq-group--access {
  --season: var(--spring);
}

.page-faq .faq-group--version {
  --season: var(--summer);
}

.page-faq .faq-group--lookup {
  --season: var(--autumn);
}

.page-faq .faq-group--feedback {
  --season: var(--winter);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-group__lede {
  margin: 6px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--pencil);
}

/* 折叠条目 */
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--season, var(--pencil));
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.page-faq .faq-item[open]::before {
  opacity: 1;
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 8px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .faq-item > summary::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--pencil);
}

.page-faq .faq-item[open] > summary::after {
  content: "－";
  color: var(--autumn);
}

.page-faq .faq-item__body {
  padding: 0 12px 20px 18px;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--pencil);
}

/* 反馈区块 */
.page-faq .faq-submit {
  display: grid;
  gap: clamp(24px, 4vw, 38px);
  margin-top: clamp(56px, 8vw, 96px);
  padding: clamp(20px, 4vw, 40px);
  background: var(--beige);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--autumn);
  border-radius: var(--r);
}

.page-faq .faq-submit__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-submit__lede {
  margin: 12px 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-submit__subtitle {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--ink);
}

.page-faq .faq-submit__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-submit__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-strong);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--pencil);
}

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

.page-faq .faq-submit__n {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--autumn);
  padding-top: 4px;
}

.page-faq .faq-submit__list strong {
  color: var(--ink);
}

.page-faq .faq-submit__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--paper);
  overflow: hidden;
}

.page-faq .faq-submit__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-submit__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--pencil);
  border-top: 1px solid var(--line);
}

/* 处理流程 */
.page-faq .faq-process {
  margin-top: clamp(56px, 8vw, 96px);
}

.page-faq .faq-process__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-process__lede {
  margin: 12px 0 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--pencil);
}

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

.page-faq .faq-flow-wrap {
  position: relative;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-faq .faq-flow__wire {
  display: none;
  position: absolute;
  top: 32px;
  left: 0;
  width: 100%;
  height: 2px;
  color: var(--pencil);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-flow__step {
  position: relative;
  padding: clamp(14px, 2.4vw, 20px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-faq .faq-flow__step:hover,
.page-faq .faq-flow__step:focus-within {
  border-color: var(--highlight);
  transform: translateY(-4px);
}

.page-faq .faq-flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--forest);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  position: relative;
  z-index: 1;
}

.page-faq .faq-flow__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  color: var(--ink);
}

.page-faq .faq-flow__text {
  margin: 6px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--pencil);
}

.page-faq .faq-flow__note {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--pencil);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

.page-faq .faq-flow__step:hover .faq-flow__note,
.page-faq .faq-flow__step:focus-within .faq-flow__note {
  opacity: 1;
  transform: translateY(0);
}

/* 兜底联络 */
.page-faq .faq-more {
  margin-top: clamp(56px, 8vw, 96px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-more__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-more__lede {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--pencil);
}

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

.page-faq .faq-more__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-more__box {
  padding: 18px;
  background: var(--beige);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-faq .faq-more__label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--pencil);
}

.page-faq .faq-more__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  letter-spacing: 0.04em;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-more__hint {
  margin: 8px 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--pencil);
}

.page-faq .faq-more__cta {
  margin-top: clamp(22px, 3vw, 30px);
  display: inline-block;
}

/* 焦点可见性 */
.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq .faq-flow__step:focus-visible {
  outline: 2px solid var(--highlight);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .page-faq .faq-hero__media img {
    aspect-ratio: 10 / 3;
  }

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

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

  .page-faq .faq-submit__list {
    gap: 14px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-submit {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-flow__wire {
    display: block;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    margin-bottom: 0;
  }

  .page-faq .faq-rail__title {
    display: block;
  }

  .page-faq .faq-rail__list {
    display: block;
  }

  .page-faq .faq-rail__list--inline {
    display: none;
  }

  .page-faq .faq-rail__drop {
    display: none;
  }

  .page-faq .faq-rail__link {
    border-bottom: 1px dashed var(--line);
  }

  .page-faq .faq-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-group--feedback .faq-item > summary {
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .page-faq .faq-group--feedback .faq-item__body {
    padding-bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-flow__step,
  .page-faq .faq-flow__note,
  .page-faq .faq-rail__link,
  .page-faq .faq-item::before {
    transition: none;
  }

  .page-faq .faq-flow__step:hover,
  .page-faq .faq-flow__step:focus-within {
    transform: none;
  }

  .page-faq .faq-flow__note {
    transform: none;
  }
}
<<<END>>>