.page-faq {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(165deg, var(--snow) 0%, var(--snow) 60%, var(--sand) 100%);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(26px, 5vw, 44px) clamp(40px, 6vw, 76px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -22%;
  bottom: -50%;
  width: 64%;
  height: 130%;
  background: var(--sand-deep);
  opacity: 0.22;
  transform: rotate(17deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: clamp(10px, 2vw, 18px) 0 0;
  font-size: clamp(36px, 9vw, 82px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 13em;
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 3vw, 26px) 0 0;
  max-width: 36em;
  color: var(--ink);
}

/* ---------- 主题跳转标签 ---------- */
.page-faq .faq-jump {
  list-style: none;
  margin: clamp(26px, 5vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-jump__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  height: 100%;
  box-sizing: border-box;
  padding: 12px 12px;
  background: var(--paper);
  border: 1px solid var(--sand-deep);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--sand);
  border-color: var(--race);
  transform: translateY(-2px);
}

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

.page-faq .faq-jump__no {
  flex: none;
  font-size: 12px;
  color: var(--race);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  position: relative;
  padding-block: clamp(40px, 7vw, 84px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-group::before {
  content: attr(data-no);
  position: absolute;
  top: clamp(16px, 3vw, 30px);
  right: clamp(8px, 3vw, 36px);
  z-index: 0;
  font-family: var(--font-mono);
  font-size: clamp(72px, 18vw, 168px);
  line-height: 0.8;
  color: var(--snow-deep);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-group__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding-left: 14px;
  border-left: 4px solid var(--race);
}

.page-faq .faq-group__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--race);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--sand-deep);
  background: var(--snow);
}

.page-faq .faq-figure--banner img {
  aspect-ratio: 5 / 2;
}

.page-faq .faq-figure--side img {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-figure__cap {
  margin-top: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--sand-deep);
  font-size: 12px;
  line-height: 1.5;
  color: var(--graphite);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--sand-deep);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: var(--shadow-plate);
  border-color: var(--sand-deep);
}

.page-faq .faq-item > summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 14px 14px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--sand-deep);
  transition: background var(--dur) var(--ease), width var(--dur) var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  width: 4px;
  background: var(--race);
}

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--race);
}

.page-faq .faq-item[open] > summary::after {
  content: "\2013";
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--race);
  outline-offset: -2px;
}

.page-faq .faq-item__no {
  flex: none;
  font-size: 12px;
  color: var(--graphite);
  padding-top: 2px;
}

.page-faq .faq-item__q {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--race-deep);
}

.page-faq .faq-item__body {
  padding: 0 16px 16px 18px;
  border-top: 1px dashed var(--line-soft);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .faq-item__body p {
  margin: 12px 0 0;
}

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

.page-faq .faq-item__body a:hover {
  color: var(--race);
}

.page-faq .faq-steps {
  margin: 12px 0 0;
  padding: 12px 14px 12px 32px;
  background: var(--snow);
  border-left: 2px solid var(--teal-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-steps li + li {
  margin-top: 6px;
}

.page-faq .faq-steps li::marker {
  font-family: var(--font-mono);
  color: var(--teal);
}

/* ---------- 联系色块 ---------- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  margin-top: clamp(36px, 6vw, 72px);
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--teal);
  color: var(--paper);
}

.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  left: -10%;
  top: -60%;
  width: 42%;
  height: 180%;
  background: var(--teal-soft);
  opacity: 0.35;
  transform: rotate(14deg);
  pointer-events: none;
}

.page-faq .faq-contact__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-contact__eyebrow {
  color: var(--snow-deep);
}

.page-faq .faq-contact__title {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-contact__lede {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(248, 246, 241, 0.86);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 34em;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line-inv);
}

.page-faq .faq-contact__key {
  flex: none;
  min-width: 4.5em;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--snow-deep);
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-contact__link {
  font-size: 14px;
  color: var(--snow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__link:hover {
  color: var(--paper);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-jump__link {
    flex-direction: column;
    gap: 6px;
    padding: 14px 14px 16px;
  }

  .page-faq .faq-item__body {
    padding-left: 42px;
    padding-right: 22px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-group--split .faq-group__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    column-gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-group--split .faq-group__head {
    grid-column: 1 / -1;
  }

  .page-faq .faq-group--split .faq-list {
    grid-column: 1;
  }

  .page-faq .faq-group--split .faq-figure {
    grid-column: 2;
    margin: 0;
  }

  .page-faq .faq-figure--banner img {
    aspect-ratio: 7 / 2;
  }

  .page-faq .faq-hero__lede {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-item,
  .page-faq .faq-item > summary::before {
    transition: none;
  }

  .page-faq .faq-jump__link:hover,
  .page-faq .faq-jump__link:focus-visible {
    transform: none;
  }
}
<<<END>>>