.page-faq {
  --faq-axis-w: clamp(220px, 22vw, 300px);
  --faq-rule: rgba(166, 124, 61, .38);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(20px, 4vw, 44px) 0 clamp(30px, 5vw, 60px);
  align-items: start;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(110px, 20vw, 240px);
  height: clamp(110px, 20vw, 240px);
  background-image: radial-gradient(var(--sand) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: .4;
  pointer-events: none;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 5vw, 58px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink-deep);
  max-width: 20em;
}

.page-faq .faq-hero .ss-lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--black);
}

.page-faq .faq-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--mist);
  font-size: 14px;
  color: var(--moss);
}

.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-hero__facts .ss-mono {
  font-size: 19px;
  font-weight: 600;
  color: var(--cinnabar);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    column-gap: clamp(32px, 5vw, 68px);
  }

  .page-faq .faq-hero__figure {
    margin-top: 14px;
  }
}

/* ---------- 稳定版说明条 ---------- */
.page-faq .faq-banner__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.1vw, 34px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink-deep);
  max-width: 24em;
}

.page-faq .faq-banner .ss-lead {
  margin: 14px 0 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-banner__grid {
  display: grid;
  gap: clamp(12px, 2vw, 20px);
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-faq .faq-banner__item {
  background: var(--paper);
  border: 1px solid var(--faq-rule);
  border-left: 4px solid var(--ink);
  padding: 18px 20px 20px;
  box-shadow: var(--shadow-card);
}

.page-faq .faq-banner__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink-deep);
}

.page-faq .faq-banner__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--black);
}

@media (min-width: 760px) {
  .page-faq .faq-banner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-axis-w) minmax(0, 1fr);
    align-items: start;
  }
}

/* 任务索引轴 */
.page-faq .faq-axis {
  border-top: 3px solid var(--ink);
  padding-top: 16px;
}

.page-faq .faq-axis__title {
  margin: 6px 0 14px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  color: var(--ink-deep);
}

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

.page-faq .faq-axis__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 8px;
  padding: 11px 0;
  border-bottom: 1px solid var(--mist);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-deep);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, transform .18s ease;
}

.page-faq .faq-axis__link:hover,
.page-faq .faq-axis__link:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
  transform: translateX(4px);
}

.page-faq .faq-axis__no {
  font-size: 12px;
  color: var(--sand-deep);
  letter-spacing: .04em;
}

.page-faq .faq-axis__n {
  font-size: 12px;
  color: var(--moss);
}

.page-faq .faq-axis__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--moss);
}

@media (min-width: 960px) {
  .page-faq .faq-axis {
    position: sticky;
    top: 128px;
  }
}

/* ---------- 教程折叠卡 ---------- */
.page-faq .faq-step {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-left: 4px solid var(--ink);
  box-shadow: var(--shadow-card);
  margin-bottom: clamp(12px, 1.8vw, 18px);
  scroll-margin-top: 140px;
}

.page-faq .faq-step[open] {
  border-left-color: var(--cinnabar);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-step__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 15px clamp(14px, 2.2vw, 24px);
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-step__no {
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cinnabar);
}

.page-faq .faq-step__title {
  font-family: var(--font-head);
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 800;
  color: var(--ink-deep);
}

.page-faq .faq-step__count {
  font-size: 12px;
  color: var(--moss);
  white-space: nowrap;
}

.page-faq .faq-step__sign {
  position: relative;
  width: 15px;
  height: 15px;
  flex: none;
}

.page-faq .faq-step__sign::before,
.page-faq .faq-step__sign::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .2s ease, background-color .2s ease;
}

.page-faq .faq-step__sign::before {
  left: 0;
  top: 6px;
  width: 15px;
  height: 2px;
}

.page-faq .faq-step__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 15px;
}

.page-faq .faq-step[open] .faq-step__sign::before,
.page-faq .faq-step[open] .faq-step__sign::after {
  background: var(--cinnabar);
}

.page-faq .faq-step[open] .faq-step__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-step__body {
  padding: 0 clamp(14px, 2.2vw, 24px) clamp(18px, 2.4vw, 26px);
  border-top: 1px dashed var(--mist);
}

.page-faq .faq-step__conclusion {
  margin: 18px 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--sand);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-deep);
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 44px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--black);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  padding: 1px 5px;
  border: 1px solid var(--sand);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  color: var(--sand-deep);
}

.page-faq .faq-steps strong {
  color: var(--ink-deep);
  font-weight: 700;
}

.page-faq .faq-step__link {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--moss);
}

.page-faq .faq-step__link a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq-step__link a:hover,
.page-faq .faq-step__link a:focus-visible {
  color: var(--sand-deep);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--paper);
  max-width: 24em;
}

.page-faq .faq-support .ss-lead {
  margin: 14px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 227, 198, .88);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(24px, 3.6vw, 40px);
}

@media (min-width: 900px) {
  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-support__contact {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(217, 179, 108, .45);
}

.page-faq .faq-support__contact li {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(217, 179, 108, .3);
}

.page-faq .faq-support__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--sand);
}

.page-faq .faq-support__value {
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-support__value--mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

@media (min-width: 560px) {
  .page-faq .faq-support__contact li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

.page-faq .faq-support__figure {
  margin: 0 0 20px;
}

.page-faq .faq-support__side p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(247, 244, 236, .78);
}

.page-faq .faq-support__legal {
  margin-bottom: 22px;
}

.page-faq .faq-support__side a {
  color: var(--sand);
}

.page-faq .faq-support__side a:hover,
.page-faq .faq-support__side a:focus-visible {
  color: var(--sand-light);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-axis__link,
  .page-faq .faq-step__sign::before,
  .page-faq .faq-step__sign::after {
    transition: none;
  }

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