.page-faq {
  --faq-panel-bg: rgba(14, 32, 56, 0.62);
  --faq-hair: rgba(29, 58, 82, 0.7);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding-block: clamp(18px, 3vw, 30px) clamp(32px, 5vw, 60px);
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: 0.3em 0 0.45em;
  font-size: clamp(32px, 5.6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.028em;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  max-width: 34em;
  margin: 0;
  color: var(--steel);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-faq .faq-meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-meta li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--faq-panel-bg);
  color: var(--steel);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.page-faq .faq-meta .mono {
  color: var(--cyan);
  font-size: 12px;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(57, 230, 223, 0.16), transparent 62%),
    var(--ink-soft);
  box-shadow: var(--shadow-card);
}

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

/* ---------- 问题区骨架 ---------- */
.page-faq .faq-board {
  display: grid;
  gap: clamp(22px, 3.2vw, 36px);
  padding-block: clamp(26px, 4vw, 44px) clamp(40px, 6vw, 72px);
}

.page-faq .faq-board-title {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  padding-bottom: 4px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-faq .faq-board-title .mono {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
  font-weight: 500;
}

.page-faq .faq-side {
  display: grid;
  gap: 16px;
  min-width: 0;
}

/* ---------- 分段标签 ---------- */
.page-faq .faq-tabs {
  min-width: 0;
}

.page-faq .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 0 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .tab {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--faq-panel-bg);
  color: var(--steel);
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.2;
  padding: 10px 16px;
  cursor: pointer;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease),
    background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .tab:hover {
  color: var(--paper);
  border-color: rgba(57, 230, 223, 0.42);
}

.page-faq .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .tab[aria-selected="true"] {
  color: var(--paper);
  font-weight: 700;
  border-color: rgba(57, 230, 223, 0.72);
  background: linear-gradient(180deg, rgba(57, 230, 223, 0.2), rgba(38, 38, 92, 0.6));
  box-shadow: 0 14px 30px -22px rgba(57, 230, 223, 0.95),
    inset 0 0 0 1px rgba(57, 230, 223, 0.12);
}

.page-faq .tabpanel {
  padding-top: 2px;
}

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

/* ---------- 折叠问答 ---------- */
.page-faq details.qa {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(14, 32, 56, 0.92), rgba(8, 19, 33, 0.72));
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq details.qa[open] {
  border-color: rgba(57, 230, 223, 0.38);
  box-shadow: 0 22px 50px -44px rgba(57, 230, 223, 0.95);
}

.page-faq details.qa summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
}

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

.page-faq details.qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .q-num {
  flex: none;
  min-width: 22px;
  padding-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .q-icon {
  flex: none;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid rgba(57, 230, 223, 0.5);
}

.page-faq .q-icon::before,
.page-faq .q-icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 1px;
}

.page-faq .q-icon::before {
  width: 9px;
  height: 1.5px;
  left: 4px;
  top: 7.25px;
}

.page-faq .q-icon::after {
  width: 1.5px;
  height: 9px;
  left: 7.25px;
  top: 4px;
  transition: transform 0.3s var(--ease);
}

.page-faq details.qa[open] .q-icon::after {
  transform: scaleY(0);
}

.page-faq .a-body {
  padding: 0 16px 18px 50px;
  color: var(--steel);
  font-size: 14.5px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.page-faq .a-body p {
  margin: 0;
}

.page-faq .a-body p + p,
.page-faq .a-body ol + p {
  margin-top: 10px;
}

.page-faq .a-body strong {
  color: var(--paper);
  font-weight: 600;
}

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

.page-faq .a-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 26px;
}

.page-faq .a-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-faq .a-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 18px;
  bottom: -12px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255, 106, 61, 0.5), rgba(255, 106, 61, 0.05));
}

/* ---------- 内嵌图 ---------- */
.page-faq .faq-figure {
  margin: 4px 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(110% 90% at 15% 0%, rgba(38, 38, 92, 0.85), transparent 65%),
    var(--ink-soft);
}

.page-faq .faq-figure .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-hair);
  font-size: 12px;
  color: var(--steel);
  line-height: 1.6;
}

/* ---------- 反馈模板 ---------- */
.page-faq .faq-template {
  margin-top: 16px;
  padding: 16px;
  border: 1px dashed rgba(57, 230, 223, 0.35);
  border-radius: var(--radius-sm);
  background: rgba(11, 47, 50, 0.55);
}

.page-faq .faq-template-title {
  margin: 0 0 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-template-title .mono {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-faq .faq-template-body {
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.82);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-contact {
  border: 1px solid rgba(255, 106, 61, 0.3);
  border-radius: var(--radius);
  padding: 20px 18px;
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(255, 106, 61, 0.2), transparent 62%),
    linear-gradient(170deg, rgba(90, 31, 61, 0.94), rgba(8, 19, 33, 0.96) 78%);
  box-shadow: var(--shadow-card);
}

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

.page-faq .faq-contact h3 {
  margin: 0.55em 0 0.55em;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-contact p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.76);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(245, 241, 232, 0.14);
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-list a,
.page-faq .faq-contact-list span {
  color: var(--paper);
  font-size: 13.5px;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-list a:hover {
  color: var(--cyan);
}

.page-faq .faq-contact-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-contact-list .label {
  display: block;
  margin-bottom: 3px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245, 241, 232, 0.5);
}

.page-faq .faq-links {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  background: var(--faq-panel-bg);
}

.page-faq .faq-links h3 {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

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

.page-faq .faq-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(29, 58, 82, 0.6);
  color: var(--paper);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-links li:last-child a {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-links a::after {
  content: "→";
  flex: none;
  color: var(--cyan);
  font-size: 13px;
}

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

.page-faq .faq-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 兜底联系 ---------- */
.page-faq .faq-fallback {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(90% 140% at 8% 0%, rgba(11, 47, 50, 0.95), transparent 68%),
    radial-gradient(70% 120% at 92% 100%, rgba(38, 38, 92, 0.7), transparent 70%),
    var(--ink);
  padding-block: clamp(40px, 6vw, 72px);
}

.page-faq .faq-fallback-inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-fallback h2 {
  margin: 0.4em 0 0.5em;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-fallback-text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .a-body {
    padding: 0 20px 20px 54px;
    font-size: 15px;
  }

  .page-faq details.qa summary {
    padding: 17px 20px;
    font-size: 15.5px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: clamp(34px, 5vw, 64px);
  }

  .page-faq .faq-fallback-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-fallback-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-board {
    grid-template-columns: minmax(0, 1fr) 296px;
    column-gap: clamp(26px, 3.4vw, 48px);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .tab,
  .page-faq details.qa,
  .page-faq .q-icon::after,
  .page-faq .faq-links a {
    transition: none;
  }
}
<<<END>>>