.page-faq {
  background: var(--cream);
  color: var(--char);
  overflow-x: hidden;
}

.page-faq section[id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 24px 0 40px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(62, 92, 75, .9) 0%, rgba(11, 42, 34, 0) 62%),
    var(--ink);
  color: var(--cream);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(242, 235, 221, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(242, 235, 221, .07) 1px, transparent 1px);
  background-size: 120px 120px;
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumbs {
  color: rgba(242, 235, 221, .66);
  font-size: 13px;
  margin-bottom: 18px;
}

.page-faq .faq-hero .breadcrumbs a {
  color: rgba(242, 235, 221, .66);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumbs a:hover {
  color: var(--signal);
}

.page-faq .faq-hero .eyebrow {
  color: var(--signal);
  margin: 0 0 10px;
}

.page-faq .faq-hero .display {
  margin: 0;
  font-weight: 300;
  letter-spacing: -.04em;
  line-height: .98;
}

.page-faq .faq-hero .display em {
  display: block;
  font-style: normal;
  color: var(--signal);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  color: rgba(242, 235, 221, .82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__body {
  display: grid;
  gap: 20px;
  margin-top: 30px;
}

.page-faq .faq-index {
  padding: 20px;
  border: 1px solid var(--line-light);
  border-radius: var(--r-lg);
  background: rgba(242, 235, 221, .06);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--signal);
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-light);
  border-radius: var(--pill);
  color: var(--cream);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-index__link .num {
  font-size: 12px;
  color: var(--signal);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--signal);
  color: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-index__link:hover .num,
.page-faq .faq-index__link:focus-visible .num {
  color: var(--ink);
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero .media__caption {
  color: rgba(242, 235, 221, .6);
  font-size: 12.5px;
  margin-top: 10px;
}

/* ---------- 章节骨架 ---------- */

.page-faq .faq-topic__grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-topic__head .eyebrow {
  color: var(--stand);
  margin: 0 0 8px;
}

.page-faq .faq-topic__title {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 6vw, 2.6rem);
  font-weight: 300;
  letter-spacing: -.035em;
  line-height: 1.05;
  color: var(--ink);
}

.page-faq .faq-topic__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--moss);
  max-width: 40ch;
}

.page-faq .faq-topic--mist {
  background: var(--mist);
}

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

.page-faq .faq-topic--ink .faq-topic__head .eyebrow {
  color: var(--signal);
}

.page-faq .faq-topic--ink .faq-topic__title {
  color: var(--cream);
}

.page-faq .faq-topic--ink .faq-topic__desc {
  color: rgba(242, 235, 221, .74);
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-list {
  display: grid;
}

.page-faq .faq-item {
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 2px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: inherit;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

.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-size: 20px;
  line-height: 1;
  color: var(--signal);
}

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

.page-faq .faq-item[open] > summary {
  color: var(--ink);
}

.page-faq .faq-item__a {
  padding: 0 2px 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--char);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a ul,
.page-faq .faq-item__a ol {
  margin: 10px 0 0;
  padding-left: 1.2em;
}

.page-faq .faq-item__a li {
  margin-bottom: 6px;
}

.page-faq .faq-item__a a {
  color: var(--stand);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-item__a a:hover {
  color: var(--signal);
}

.page-faq .faq-topic--ink .faq-item {
  border-color: var(--line-light);
}

.page-faq .faq-topic--ink .faq-item[open] > summary {
  color: var(--cream);
}

.page-faq .faq-topic--ink .faq-item__a {
  color: rgba(242, 235, 221, .82);
}

.page-faq .faq-topic--ink .faq-item__a a {
  color: var(--signal);
}

/* ---------- 四步 ---------- */

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

.page-faq .faq-step {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .55);
  font-size: 14.5px;
  line-height: 1.7;
}

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

.page-faq .faq-step__num {
  flex: none;
  font-size: 13px;
  color: var(--signal);
  padding-top: 2px;
}

.page-faq .faq-topic--ink .faq-step {
  border-color: var(--line-light);
  background: rgba(242, 235, 221, .06);
}

.page-faq .faq-topic--ink .faq-step strong {
  color: var(--cream);
}

.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: 22px 0 4px;
}

.page-faq .faq-flow__line {
  stroke: rgba(242, 235, 221, .28);
  stroke-width: 1.5;
  stroke-dasharray: 4 7;
}

.page-faq .faq-flow circle {
  fill: var(--ink);
  stroke: var(--signal);
  stroke-width: 1.5;
}

.page-faq .faq-flow text {
  fill: var(--cream);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
}

.page-faq .faq-flow .faq-flow__label {
  fill: rgba(242, 235, 221, .78);
  font-family: var(--font-narrow);
  font-size: 13px;
  font-weight: 400;
}

.page-faq .faq-download__figure {
  margin: 26px 0 0;
}

.page-faq .faq-topic--ink .media__caption {
  color: rgba(242, 235, 221, .6);
  font-size: 12.5px;
  margin-top: 10px;
}

/* ---------- 合作方式 ---------- */

.page-faq .faq-modes {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-faq .faq-mode {
  padding: 16px 18px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  background: var(--cream);
}

.page-faq .faq-mode h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-mode p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 联系支持 ---------- */

.page-faq .faq-support {
  display: grid;
  gap: 24px;
  padding: 28px 22px;
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(62, 92, 75, .85) 0%, rgba(11, 42, 34, 0) 60%),
    var(--ink);
  color: var(--cream);
}

.page-faq .faq-support .eyebrow {
  color: var(--signal);
  margin: 0 0 8px;
}

.page-faq .faq-support__title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 5.5vw, 2.25rem);
  font-weight: 300;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: var(--cream);
}

.page-faq .faq-support__desc {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 235, 221, .78);
  max-width: 34ch;
}

.page-faq .faq-support__rows {
  display: grid;
  gap: 14px;
}

.page-faq .faq-support__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-support__label {
  flex: none;
  min-width: 72px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
}

.page-faq .faq-support__value {
  font-size: 15px;
  font-weight: 600;
  color: var(--cream);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-faq .faq-support__value--plain {
  font-weight: 500;
  line-height: 1.7;
}

.page-faq a.faq-support__value:hover {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-support__hint {
  flex-basis: 100%;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(242, 235, 221, .6);
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-faq .faq-hero {
    padding: 32px 0 56px;
  }

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

  .page-faq .faq-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-support {
    padding: 36px 32px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 28px;
    margin-top: 40px;
  }

  .page-faq .faq-topic__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-topic__head {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-topic__desc {
    font-size: 16px;
  }

  .page-faq .faq-item > summary {
    font-size: 17px;
    padding: 20px 2px;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
    padding: 48px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link {
    transition: none;
  }

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