.page-faq {
  --faq-index-w: 258px;
  --faq-ink-soft: rgba(8, 24, 38, 0.62);
  --faq-ink-line: rgba(8, 24, 38, 0.12);
  --faq-paper-soft: rgba(247, 243, 234, 0.72);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-faq h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 8px 0 0;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-12);
  color: rgba(247, 243, 234, 0.5);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(247, 243, 234, 0.32);
}

.page-faq .breadcrumb a {
  color: rgba(247, 243, 234, 0.8);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-faq .eyebrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 18px 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 26px 0 44px;
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(45, 226, 230, 0.16), transparent 60%),
    linear-gradient(180deg, var(--deep) 0%, var(--ink) 78%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(247, 243, 234, 0.76);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-hero__chips .chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  font-size: var(--fs-14);
  color: var(--paper);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-hero__chips .chip:hover,
.page-faq .faq-hero__chips .chip:focus-visible {
  background: rgba(45, 226, 230, 0.14);
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-hero__art {
  color: var(--cyan);
  opacity: 0.82;
  justify-self: start;
}

.page-faq .faq-hero__art svg {
  display: block;
  width: 100%;
  max-width: 168px;
  height: auto;
}

/* ---------- 三步开始 ---------- */
.page-faq .faq-start {
  padding: 42px 0 40px;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .start-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .start-step {
  background: var(--ink);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .start-step__no {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-faq .start-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-18);
  letter-spacing: 0;
  color: var(--paper);
}

.page-faq .start-step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.66);
}

.page-faq .start-step a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .start-step a:hover,
.page-faq .start-step a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  padding: 40px 0 56px;
  grid-template-columns: minmax(0, 1fr);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--fs-14);
  color: rgba(247, 243, 234, 0.78);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index__list .num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--stone);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cyan);
  background: rgba(45, 226, 230, 0.07);
  border-left-color: var(--cyan);
}

.page-faq .faq-index__list a:hover .num,
.page-faq .faq-index__list a:focus-visible .num {
  color: var(--cyan);
}

.page-faq .faq-index__tip {
  margin-top: 22px;
  padding: 14px 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: rgba(16, 42, 67, 0.55);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: rgba(247, 243, 234, 0.6);
}

.page-faq .faq-index__tip p {
  margin: 0 0 8px;
}

.page-faq .faq-index__tip a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
}

.page-faq .faq-index__tip a:hover,
.page-faq .faq-index__tip a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 问答面板 ---------- */
.page-faq .faq-panel {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 22px 16px 24px;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-group + .faq-group {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--faq-ink-line);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.page-faq .faq-group__head h2 {
  color: var(--ink);
}

.page-faq .faq-group__head p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}

.page-faq .faq-tag--entry {
  color: #0b5f63;
  background: rgba(45, 226, 230, 0.16);
  border-color: rgba(45, 226, 230, 0.55);
}

.page-faq .faq-tag--data {
  color: #a8480f;
  background: rgba(255, 107, 44, 0.13);
  border-color: rgba(255, 107, 44, 0.42);
}

.page-faq .faq-tag--venue {
  color: #41563d;
  background: rgba(95, 122, 90, 0.16);
  border-color: rgba(95, 122, 90, 0.42);
}

.page-faq .faq-tag--browser {
  color: #4a555f;
  background: rgba(138, 148, 158, 0.18);
  border-color: rgba(138, 148, 158, 0.5);
}

.page-faq .faq-tag--support {
  color: #8c4d32;
  background: rgba(184, 107, 75, 0.15);
  border-color: rgba(184, 107, 75, 0.45);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--faq-ink-line);
}

.page-faq .faq-group .qa:last-of-type {
  border-bottom: 1px solid var(--faq-ink-line);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 14px;
  align-items: start;
  gap: 10px;
  min-height: 44px;
  padding: 14px 4px;
  list-style: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  background: rgba(8, 24, 38, 0.04);
}

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

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.9;
  color: rgba(8, 24, 38, 0.42);
  letter-spacing: 0.04em;
}

.page-faq .qa__text {
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .qa__icon {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-right: 1.5px solid rgba(8, 24, 38, 0.5);
  border-bottom: 1.5px solid rgba(8, 24, 38, 0.5);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__q {
  background: rgba(45, 226, 230, 0.1);
}

.page-faq .qa[open] .qa__icon {
  transform: rotate(225deg);
  border-color: var(--orange);
}

.page-faq .qa__a {
  padding: 2px 4px 18px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(8, 24, 38, 0.78);
}

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

.page-faq .qa__path {
  display: inline-block;
  margin-top: 2px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: #0b5f63;
  background: rgba(45, 226, 230, 0.14);
  border: 1px solid rgba(45, 226, 230, 0.42);
  border-radius: var(--radius);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 6px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-ink-line);
  border-radius: var(--radius);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  max-width: 260px;
  font-size: var(--fs-12);
  line-height: 1.65;
  color: rgba(8, 24, 38, 0.55);
}

.page-faq .faq-figure--wide img,
.page-faq .faq-figure--wide figcaption {
  max-width: 100%;
}

/* ---------- 底部联系 ---------- */
.page-faq .faq-cta {
  padding: 34px 0 52px;
  background:
    linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-cta__copy p {
  margin: 12px 0 0;
  max-width: 44ch;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: rgba(247, 243, 234, 0.7);
}

.page-faq .faq-cta__copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
}

.page-faq .faq-cta__copy a:hover,
.page-faq .faq-cta__copy a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-cta__actions {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-cta__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-cta__actions .btn--primary {
  background: var(--orange);
  color: var(--ink);
  border-color: var(--orange);
}

.page-faq .faq-cta__actions .btn--primary:hover,
.page-faq .faq-cta__actions .btn--primary:focus-visible {
  background: #ff8552;
  border-color: #ff8552;
}

.page-faq .faq-cta__actions .btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-cyan);
}

.page-faq .faq-cta__actions .btn--ghost:hover,
.page-faq .faq-cta__actions .btn--ghost:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(45, 226, 230, 0.1);
}

.page-faq .faq-cta__note {
  margin: 4px 0 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: rgba(247, 243, 234, 0.52);
}

.page-faq .faq-cta__note .num {
  font-family: var(--font-mono);
  color: rgba(247, 243, 234, 0.78);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-panel {
    padding: 30px 26px 30px;
  }

  .page-faq .qa__a {
    padding-left: 44px;
  }

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

  .page-faq .faq-figure img,
  .page-faq .faq-figure figcaption {
    max-width: 320px;
  }

  .page-faq .faq-figure--wide img,
  .page-faq .faq-figure--wide figcaption {
    max-width: 100%;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 34px 0 56px;
  }

  .page-faq .faq-hero__art svg {
    max-width: 240px;
  }

  .page-faq .faq-start {
    padding: 52px 0 48px;
  }

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

  .page-faq .start-step {
    padding: 24px 22px 26px;
  }

  .page-faq .faq-layout {
    padding: 52px 0 64px;
    gap: 32px;
  }

  .page-faq .faq-panel {
    padding: 34px 32px 34px;
  }

  .page-faq .faq-cta {
    padding: 44px 0 64px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 48px;
  }

  .page-faq .faq-hero__art {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: center;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__icon,
  .page-faq .qa__q,
  .page-faq .faq-hero__chips .chip,
  .page-faq .faq-index__list a,
  .page-faq .faq-cta__actions .btn {
    transition: none;
  }
}
<<<END>>>