.page-faq {
  --cat: var(--spring);
  background: var(--ink);
  color: var(--white);
}

.page-faq .breadcrumb {
  padding-block: 18px 0;
  font-size: 14px;
}

.page-faq .breadcrumb a {
  color: var(--dim);
  text-decoration: none;
  transition: color var(--dur);
}

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

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--white);
  font-weight: 600;
}

.page-faq .breadcrumb__sep {
  color: var(--dim);
  margin-inline: 0.5em;
}

/* ---------- 首屏 ---------- */

.faq-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(24px, 4vw, 44px);
}

.faq-hero__eyebrow {
  color: var(--spring);
  font-family: var(--f-num);
  font-size: 13px;
  letter-spacing: 0.2em;
}

.faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: clamp(28px, 5.2vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 20em;
}

.faq-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

/* ---------- 横幅图 ---------- */

.faq-banner {
  margin: 0 0 clamp(28px, 4vw, 48px);
  border: 2px solid rgba(255, 255, 255, 0.16);
}

.faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.faq-banner .media-frame__cap {
  border-top: 2px solid rgba(255, 255, 255, 0.16);
  padding: 8px 12px;
  font-size: 13px;
  color: var(--dim);
}

/* ---------- 分类粘性导航 ---------- */

.faq-jump {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--deep);
  border-top: 2px solid rgba(255, 255, 255, 0.12);
  border-bottom: 2px solid rgba(255, 255, 255, 0.12);
}

.faq-jump__inner {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.faq-jump__inner::-webkit-scrollbar {
  display: none;
}

.faq-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 0.55em;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.62);
  border-bottom: 3px solid transparent;
  transition: color var(--dur), border-color var(--dur);
}

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

.faq-jump__idx {
  font-family: var(--f-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.72;
}

.faq-jump__link--spring:hover,
.faq-jump__link--spring:focus-visible { border-bottom-color: var(--spring); }
.faq-jump__link--summer:hover,
.faq-jump__link--summer:focus-visible { border-bottom-color: var(--summer); }
.faq-jump__link--autumn:hover,
.faq-jump__link--autumn:focus-visible { border-bottom-color: var(--autumn); }
.faq-jump__link--winter:hover,
.faq-jump__link--winter:focus-visible { border-bottom-color: var(--winter); }
.faq-jump__link--live:hover,
.faq-jump__link--live:focus-visible { border-bottom-color: var(--live); }
.faq-jump__link--help:hover,
.faq-jump__link--help:focus-visible { border-bottom-color: var(--white); }

/* ---------- 正文区 ---------- */

.faq-body {
  background: var(--paper);
  color: var(--ink);
  padding-block: clamp(36px, 6vw, 76px);
}

.faq-cat {
  margin-bottom: clamp(40px, 6vw, 72px);
  scroll-margin-top: 64px;
}

.faq-cat:last-child {
  margin-bottom: 0;
}

.faq-cat--spring { --cat: var(--spring); }
.faq-cat--summer { --cat: var(--summer); }
.faq-cat--autumn { --cat: var(--autumn); }
.faq-cat--winter { --cat: var(--winter); }
.faq-cat--live   { --cat: var(--live); }

.faq-cat__head {
  padding-left: 16px;
  border-left: 8px solid var(--cat);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.faq-cat__num {
  margin: 0;
  font-family: var(--f-num);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.faq-cat__title {
  margin: 8px 0 0;
  font-family: var(--f-sans);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.faq-cat__desc {
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 可折叠问答 ---------- */

.faq-item {
  background: var(--white);
  border: 2px solid var(--ink);
  border-left: 8px solid var(--cat);
  box-shadow: 4px 4px 0 0 rgba(28, 28, 30, 0.14);
  margin-bottom: 14px;
}

.faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--f-sans);
  font-weight: 700;
  font-size: clamp(15.5px, 2vw, 17.5px);
  line-height: 1.5;
  color: var(--ink);
}

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

.faq-item__qt {
  flex: 1 1 auto;
  min-width: 0;
}

.faq-item__q::after {
  content: "";
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  margin-left: auto;
  background-image:
    linear-gradient(var(--ink), var(--ink)),
    linear-gradient(var(--ink), var(--ink));
  background-size: 16px 2px, 2px 16px;
  background-position: center, center;
  background-repeat: no-repeat;
  transition: background-size var(--dur), background-image var(--dur);
}

.faq-item[open] .faq-item__q::after {
  background-image:
    linear-gradient(var(--cat), var(--cat)),
    linear-gradient(var(--cat), var(--cat));
  background-size: 16px 2px, 2px 0;
}

.faq-item__a {
  padding: 14px 18px 20px;
  border-top: 2px dashed rgba(28, 28, 30, 0.18);
}

.faq-item__a p {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
}

.faq-item__a p + p,
.faq-item__a ol + p {
  margin-top: 12px;
}

.faq-steps {
  list-style: none;
  counter-reset: step;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.faq-steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 2.7em;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
}

.faq-steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.2em;
  font-family: var(--f-num);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cat);
}

.faq-term {
  font-family: var(--f-num);
  font-size: 0.92em;
  background: rgba(28, 28, 30, 0.08);
  border-bottom: 2px solid var(--cat);
  padding: 0 0.35em;
  white-space: nowrap;
}

/* ---------- 联系区 ---------- */

.faq-help {
  background: var(--deep);
  color: var(--white);
  border-top: 6px solid var(--winter);
  padding-block: clamp(40px, 6vw, 78px);
}

.faq-help__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.faq-help__figure {
  margin: 0;
  border: 2px solid rgba(255, 255, 255, 0.18);
}

.faq-help__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.faq-help__num {
  margin: 0;
  font-family: var(--f-num);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--winter);
  text-transform: uppercase;
}

.faq-help__title {
  margin: 10px 0 0;
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.25;
}

.faq-help__text {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.84);
}

.faq-help__checklist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.faq-help__checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}

.faq-help__checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 3px;
  background: var(--winter);
}

.faq-help__contact {
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px 14px;
}

.faq-help__contact dt {
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dim);
  text-transform: uppercase;
  margin-top: 12px;
}

.faq-help__contact dd {
  margin: 2px 0 0;
  font-family: var(--f-num);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
  word-break: break-word;
}

.faq-help__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

.faq-help__cta {
  margin-top: 22px;
  display: inline-flex;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .faq-item__q {
    padding: 18px 22px;
  }

  .faq-item__a {
    padding: 16px 22px 24px;
  }

  .faq-help__contact {
    grid-template-columns: max-content 1fr;
    align-items: baseline;
  }

  .faq-help__contact dt {
    margin-top: 1px;
  }

  .faq-help__contact dd + dt {
    margin-top: 10px;
  }
}

@media (min-width: 960px) {
  .faq-help__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .faq-jump__link {
    padding: 15px 22px;
  }
}
<<<END>>>