.page-faq {
  --faq-line: rgba(159, 179, 200, 0.24);
  --faq-line-soft: rgba(159, 179, 200, 0.14);
  --faq-cyan-soft: rgba(0, 229, 255, 0.14);
  --faq-violet-soft: rgba(123, 47, 247, 0.18);
  color: var(--body-text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

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

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  color: #ffffff;
  letter-spacing: -0.01em;
}

.page-faq h2 {
  font-size: clamp(23px, 3.4vw, 40px);
  line-height: 1.14;
  margin: 10px 0 12px;
}

.page-faq h3 {
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-faq p {
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  margin: 0 0 12px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(16px, 2.6vw, 28px);
}

.page-faq .faq-hero__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4.5vw, 52px) clamp(20px, 4vw, 56px);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(123, 47, 247, 0.30), transparent 58%),
    linear-gradient(150deg, var(--ink-2), var(--ink) 72%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .faq-hero__inner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 229, 255, 0.045) 0 1px,
    transparent 1px 5px
  );
  opacity: 0.6;
}

.page-faq .faq-hero h1 {
  position: relative;
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.06;
  margin: 14px 0 16px;
  max-width: 20ch;
  text-shadow: 0 0 34px rgba(0, 229, 255, 0.18);
}

.page-faq .faq-hero .lede {
  position: relative;
  max-width: 60ch;
  color: var(--body-dim);
}

.page-faq .faq-hero__meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

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

.page-faq .faq-hero__trail {
  position: absolute;
  right: -60px;
  bottom: -30px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.22), transparent 68%);
  pointer-events: none;
}

/* ---------- 三步流程 ---------- */
.page-faq .faq-steps {
  margin-top: clamp(40px, 6vw, 78px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-steps__note,
.page-faq .faq-scenes__note {
  color: var(--body-dim);
  max-width: 58ch;
}

.page-faq .faq-steps__body {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 30px);
}

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

.page-faq .step {
  position: relative;
  padding: 18px 20px 20px;
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.45);
  margin-bottom: 10px;
}

.page-faq .step__text {
  color: var(--body-dim);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

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

/* ---------- 场景索引 + 问答 ---------- */
.page-faq .faq-scenes {
  margin-top: clamp(44px, 6.5vw, 88px);
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-scenes__grid {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-index {
  padding: 18px 16px;
  background: linear-gradient(180deg, var(--ink-2), rgba(20, 27, 60, 0.55));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-faq .faq-index__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-index__link {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 128px;
  padding: 9px 12px;
  font-size: 14.5px;
  color: var(--body-text);
  text-decoration: none;
  background: rgba(11, 16, 38, 0.72);
  border-left: 2px solid transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--cyan);
  color: #ffffff;
  background: rgba(0, 229, 255, 0.10);
  outline: none;
}

.page-faq .faq-index__link.is-active {
  border-left-color: var(--orange);
  color: #ffffff;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.12);
  border-radius: 999px;
  padding: 1px 7px;
}

.page-faq .faq-index__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line-soft);
}

.page-faq .faq-index__foot p {
  font-size: 13.5px;
  color: var(--body-dim);
  margin: 0 0 10px;
}

.page-faq .qa-group {
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .qa-group + .qa-group {
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-faq .qa-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .qa-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--violet);
  letter-spacing: 0.1em;
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .qa__q {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 4px 15px 0;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  font-weight: 600;
  color: var(--body-text);
  transition: color 0.2s ease;
}

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

.page-faq .qa__q::before {
  content: "+";
  flex: none;
  width: 20px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.35;
  color: var(--cyan);
}

.page-faq .qa:hover .qa__q,
.page-faq .qa__q:focus-visible {
  color: #ffffff;
  outline: none;
}

.page-faq .qa[open] .qa__q {
  color: #ffffff;
}

.page-faq .qa[open] .qa__q::before {
  content: "−";
  color: var(--orange);
}

.page-faq .qa__a {
  margin: 0 0 16px 12px;
  padding-left: 20px;
  border-left: 2px solid transparent;
  color: var(--body-dim);
  font-size: 15px;
  line-height: 1.85;
  animation: faq-fade 0.26s ease both;
}

.page-faq .qa[open] .qa__a {
  border-left-color: var(--cyan);
  box-shadow: inset 8px 0 20px -16px var(--cyan);
}

.page-faq .qa__a p {
  margin: 0;
  font-size: inherit;
  line-height: inherit;
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-block {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
  margin-top: clamp(44px, 6.5vw, 88px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--faq-line-soft);
}

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

.page-faq .faq-block h2 {
  margin-top: 8px;
}

.page-faq .faq-block__text p {
  color: var(--body-dim);
}

.page-faq .bullets {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-dim);
}

.page-faq .bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 2px;
  background: var(--violet);
}

.page-faq .bullets strong {
  color: var(--cyan);
  font-weight: 600;
}

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

.page-faq .checklist li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: rgba(20, 27, 60, 0.62);
  border-left: 2px solid var(--orange);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--body-dim);
}

.page-faq .checklist__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .faq-block__panel {
  padding: clamp(18px, 2.6vw, 28px);
  align-self: start;
}

.page-faq .faq-block__panel-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
  margin: 0 0 10px;
}

.page-faq .faq-block__panel-mail {
  font-size: clamp(14px, 1.7vw, 17px);
  color: var(--cyan);
  word-break: break-all;
  margin: 0 0 12px;
}

.page-faq .faq-block__panel-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--body-dim);
  margin: 0 0 16px;
}

/* ---------- 操作细节 ---------- */
.page-faq .faq-details {
  margin-top: clamp(44px, 6.5vw, 88px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--faq-line-soft);
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-details__grid {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-faq .detail-card {
  padding: 18px 18px 20px;
  background: linear-gradient(160deg, rgba(123, 47, 247, 0.16), rgba(11, 16, 38, 0.4) 62%);
  border-top: 1px solid var(--faq-cyan-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .detail-card__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-faq .detail-card__title {
  font-size: 17px;
}

.page-faq .detail-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-dim);
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(44px, 6.5vw, 88px);
  padding: clamp(22px, 3.4vw, 40px);
  background:
    radial-gradient(110% 150% at 0% 100%, rgba(0, 229, 255, 0.16), transparent 60%),
    var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-help__text p {
  color: var(--body-dim);
  max-width: 54ch;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .faq-help__meta {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  background: rgba(11, 16, 38, 0.72);
  border-left: 2px solid var(--cyan);
}

.page-faq .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--cyan);
  line-height: 1.2;
}

.page-faq .stat__label {
  font-size: 12.5px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .step {
    background: transparent;
    clip-path: none;
    padding: 18px 20px 0 0;
    border-top: 2px solid var(--faq-line);
  }

  .page-faq .step::before {
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    width: 44px;
    height: 2px;
    background: var(--cyan);
    box-shadow: 0 0 12px var(--cyan);
  }

  .page-faq .step:first-child {
    border-top-color: var(--cyan);
  }

  .page-faq .step + .step {
    padding-left: 20px;
  }

  .page-faq .detail-card {
    padding: 20px 20px 22px;
  }

  .page-faq .faq-details__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-steps__body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-scenes__grid {
    grid-template-columns: 246px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-index__nav {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-index__link {
    min-width: 0;
    width: 100%;
  }

  .page-faq .faq-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-block--flip .faq-block__text {
    order: 2;
  }

  .page-faq .faq-block--flip .faq-block__panel {
    order: 1;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

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

  .page-faq .faq-index__link,
  .page-faq .qa__q {
    transition: none;
  }
}
<<<END>>>