.page-faq {
  --faq-soft: rgba(18, 28, 51, 0.76);
  --faq-rim: rgba(27, 58, 140, 0.14);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(24px, 4vw, 48px) 0 clamp(36px, 6vw, 78px);
  background:
    radial-gradient(120% 100% at 6% 0%, rgba(43, 240, 214, 0.18), transparent 58%),
    radial-gradient(90% 80% at 102% 12%, rgba(59, 46, 99, 0.75), transparent 62%),
    linear-gradient(155deg, var(--deep) 0%, var(--blue) 58%, var(--dusk) 100%);
  color: var(--paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: repeating-linear-gradient(102deg, rgba(43, 240, 214, 0.09) 0 1px, transparent 1px 28px);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -48%;
  height: 64%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(43, 240, 214, 0.22), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: var(--fs-14);
}

.page-faq .breadcrumb-link {
  color: rgba(246, 243, 236, 0.84);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 240, 214, 0.4);
}

.page-faq .breadcrumb-link:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .breadcrumb-sep {
  color: rgba(246, 243, 236, 0.4);
}

.page-faq .breadcrumb-current {
  color: var(--neon);
  font-weight: 600;
}

.page-faq .faq-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-faq .faq-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 9vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: #FFFFFF;
}

.page-faq .faq-lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 36em;
  font-family: var(--font-editorial);
  font-size: clamp(16px, 2.1vw, 20px);
  line-height: 1.85;
  color: rgba(246, 243, 236, 0.88);
}

.page-faq .faq-hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(43, 240, 214, 0.28);
}

.page-faq .faq-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(246, 243, 236, 0.12);
}

.page-faq .faq-stat-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--neon);
  white-space: nowrap;
}

.page-faq .faq-stat-label {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: rgba(246, 243, 236, 0.74);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  padding: clamp(40px, 7vw, 88px) 0;
  background: var(--paper);
}

.page-faq .faq-steps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-faq .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.022em;
  color: var(--blue);
}

.page-faq .faq-steps-intro {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-step-list {
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px dashed var(--mist);
}

.page-faq .faq-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-step-ring {
  display: block;
  width: 44px;
  height: 44px;
}

.page-faq .faq-step-ring svg {
  display: block;
}

.page-faq .faq-step-title {
  margin: 6px 0 6px;
  font-size: var(--fs-18);
  font-weight: 800;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-step-body p {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-steps-fig {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--mist);
  background: linear-gradient(150deg, var(--mint), #FFFFFF 58%, #EEF2FF);
  box-shadow: var(--shadow-soft);
}

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

.page-faq .media-caption {
  padding: 12px 16px;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--faq-soft);
  border-top: 1px solid var(--mist);
  background: rgba(255, 255, 255, 0.72);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-work {
  padding: 0 0 clamp(48px, 7vw, 96px);
  background: linear-gradient(180deg, var(--paper) 0%, #FFFFFF 52%, var(--paper) 100%);
}

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .tabs {
  min-width: 0;
}

.page-faq .faq-work-title {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-faq .tabs__list {
  display: flex;
  gap: 6px;
  margin: 0 0 26px;
  padding: 0 0 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--mist);
}

.page-faq .tab {
  flex: 0 0 auto;
  appearance: none;
  border: 1px solid transparent;
  border-bottom: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.2;
  padding: 12px 18px;
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq .tab:hover {
  background: var(--mint);
}

.page-faq .tab[aria-selected="true"] {
  background: var(--blue);
  color: #FFFFFF;
  box-shadow: inset 0 -3px 0 var(--neon);
}

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

.page-faq .tab-panel[hidden] {
  display: none;
}

.page-faq .faq-panel-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-faq .faq-panel-lede {
  margin: 0 0 24px;
  max-width: 38em;
  font-family: var(--font-editorial);
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-figure {
  margin: 0 0 26px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--mist);
  background: var(--mint);
}

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

.page-faq .faq-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--mist);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--mist);
  border-left: 3px solid transparent;
  padding-left: 14px;
  background: transparent;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--neon);
  background: linear-gradient(90deg, rgba(43, 240, 214, 0.07), transparent 72%);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.18s ease;
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:hover {
  color: var(--blue);
}

.page-faq .faq-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--mist);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 22px;
  text-align: center;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  border-color: var(--neon);
  background: var(--neon);
  color: var(--deep);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-answer {
  max-width: 40em;
  padding: 0 0 20px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--faq-soft);
  animation: faqFade 0.3s ease both;
}

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

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

@keyframes faqFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 侧栏当前版本卡 ---------- */
.page-faq .faq-aside {
  align-self: start;
  min-width: 0;
}

.page-faq .faq-version-card {
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 162, 58, 0.6);
  padding: 24px 22px;
  color: var(--paper);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(43, 240, 214, 0.16), transparent 62%),
    linear-gradient(150deg, var(--deep), var(--dusk));
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-version-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-version-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--neon);
  word-break: break-all;
}

.page-faq .faq-version-month {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-version-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid rgba(246, 243, 236, 0.18);
  font-size: var(--fs-14);
  line-height: 1.65;
  color: rgba(246, 243, 236, 0.82);
}

.page-faq .faq-version-list li {
  display: flex;
  gap: 9px;
}

.page-faq .faq-version-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.page-faq .faq-version-link {
  display: inline-block;
  margin-top: 18px;
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 240, 214, 0.45);
}

.page-faq .faq-version-link:hover {
  border-bottom-color: var(--neon);
}

/* ---------- 兜底通道 ---------- */
.page-faq .faq-fallback {
  padding: clamp(40px, 6vw, 82px) 0;
  color: var(--paper);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(59, 46, 99, 0.92), transparent 62%),
    linear-gradient(120deg, var(--deep), var(--blue));
}

.page-faq .faq-fallback-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-fallback .faq-eyebrow {
  color: var(--amber);
}

.page-faq .faq-fallback .section-title {
  color: #FFFFFF;
}

.page-faq .faq-fallback-copy > p {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(246, 243, 236, 0.84);
}

.page-faq .faq-fallback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-fallback-actions .btn--ghost {
  border-color: rgba(43, 240, 214, 0.55);
  color: var(--neon);
}

.page-faq .faq-fallback-side {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: var(--r-md);
  border: 1px solid rgba(43, 240, 214, 0.28);
  background: rgba(14, 27, 61, 0.5);
}

.page-faq .faq-fallback-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(246, 243, 236, 0.82);
}

.page-faq .faq-fallback-note a {
  color: var(--neon);
}

/* ---------- 入场动效 ---------- */
.page-faq [data-reveal].is-in {
  animation: faqRise 0.55s ease both;
}

@keyframes faqRise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal].is-in,
  .page-faq .faq-answer {
    animation: none;
  }
  .page-faq .faq-item,
  .page-faq .tab {
    transition: none;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
  }

  .page-faq .faq-hero-stats li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 16px 0 0;
    border-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-fallback-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-step-list {
    gap: 2px;
  }

  .page-faq .faq-step-title {
    margin-top: 4px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
  }

  .page-faq .tabs__list {
    overflow-x: visible;
    flex-wrap: wrap;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .page-faq .faq-step {
    padding: 22px 0;
  }
}

@media (max-width: 380px) {
  .page-faq .faq-step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .faq-step-ring,
  .page-faq .faq-step-ring svg {
    width: 36px;
    height: 36px;
  }

  .page-faq .tab {
    padding: 11px 14px;
    font-size: var(--fs-14);
  }
}
<<<END>>>