.page-faq {
  background: var(--ink);
  color: var(--card);
  overflow-x: hidden;
}

/* 面包屑 */
.page-faq .faq-crumb-wrap {
  padding-block: calc(var(--header-h) + 1.25rem) 0;
}
.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--mist);
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--sand-mute);
}
.page-faq .breadcrumb-list a {
  color: var(--mist);
  text-decoration: none;
}
.page-faq .breadcrumb-list a:hover,
.page-faq .breadcrumb-list a:focus-visible {
  color: var(--cyan);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 4.5rem);
}
.page-faq .faq-hero-glow {
  position: absolute;
  inset: -20% -20% auto auto;
  width: min(880px, 120%);
  height: min(720px, 90%);
  z-index: -1;
  background:
    radial-gradient(60% 60% at 72% 18%, rgba(29, 122, 158, 0.55), transparent 68%),
    radial-gradient(48% 48% at 20% 80%, rgba(226, 109, 63, 0.26), transparent 70%),
    radial-gradient(40% 40% at 92% 88%, rgba(53, 242, 208, 0.16), transparent 72%);
  filter: blur(4px);
  pointer-events: none;
}
.page-faq .faq-hero-inner {
  display: grid;
  gap: 1.4rem;
  max-width: 62rem;
}
.page-faq .faq-hero h1 {
  margin: 0;
  font-size: var(--step-4);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.02;
  color: var(--sand);
  max-width: 18ch;
}
.page-faq .faq-lead {
  margin: 0;
  max-width: 54ch;
  font-size: var(--step-1);
  line-height: 1.65;
  color: var(--card);
  font-weight: 400;
}
.page-faq .faq-hero-facts {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--line-dashed);
  padding-top: 1.25rem;
}
.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}
.page-faq .faq-fact-num {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 500;
  color: var(--cyan);
  line-height: 1;
}
.page-faq .faq-fact-label {
  font-size: var(--step--1);
  color: var(--mist);
  line-height: 1.4;
}

/* 热门入口 */
.page-faq .faq-hot-head {
  display: grid;
  gap: 0.7rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}
.page-faq .faq-hot-head h2 {
  margin: 0;
  font-size: var(--step-2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sand);
  line-height: 1.1;
}
.page-faq .faq-hot-head p {
  margin: 0;
  max-width: 52ch;
  color: var(--mist);
  font-size: var(--step-0);
  line-height: 1.7;
}
.page-faq .hot-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  padding-bottom: 0;
}
.page-faq .hot-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.25rem, 3vw, 1.9rem);
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(22, 44, 51, 0.96), rgba(7, 26, 34, 0.96));
  box-shadow: var(--shadow-lift);
}
.page-faq .hot-card--a { border-top: 3px solid var(--cyan); }
.page-faq .hot-card--b { border-top: 3px solid var(--terracotta); }
.page-faq .hot-card--c { border-top: 3px solid var(--lake-bright); }
.page-faq .hot-card--d { border-top: 3px solid var(--sand); }
.page-faq .hot-num {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  color: var(--sand-mute);
}
.page-faq .hot-card h3 {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 800;
  color: var(--card);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.page-faq .hot-list {
  margin: 0;
  padding: 0 0 0 1rem;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}
.page-faq .hot-list li {
  position: relative;
  font-size: var(--step--1);
  line-height: 1.6;
  color: var(--mist);
}
.page-faq .hot-list li::before {
  content: "";
  position: absolute;
  left: -0.9rem;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background: var(--sand-mute);
}
.page-faq .hot-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-strong);
  padding-bottom: 2px;
}
.page-faq .hot-link::after {
  content: " →";
}
.page-faq .hot-link:hover,
.page-faq .hot-link:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

/* 工作台 */
.page-faq .faq-workbench {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: 1fr;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
}
.page-faq .faq-index {
  border-radius: var(--radius-m);
  border: 1px dashed var(--line-dashed);
  background: rgba(22, 44, 51, 0.7);
  padding: 1.25rem 1.35rem;
}
.page-faq .faq-index-title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-faq .faq-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.15rem;
}
.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.35rem;
  border-radius: var(--radius-s);
  color: var(--card);
  text-decoration: none;
  font-size: var(--step-0);
  line-height: 1.4;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-faq .faq-index-list a span {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--sand-mute);
}
.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: rgba(53, 242, 208, 0.1);
  color: var(--cyan);
}
.page-faq .faq-index-list a:hover span,
.page-faq .faq-index-list a:focus-visible span {
  color: var(--cyan);
}

.page-faq .faq-panels {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  min-width: 0;
}
.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}
.page-faq .faq-group-kicker {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.2em;
  color: var(--terracotta);
}
.page-faq .faq-group-title {
  margin: 0 0 1.1rem;
  font-size: var(--step-2);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--sand);
}

/* 手风琴 */
.page-faq .faq-item {
  border-top: 1px solid var(--line);
}
.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1.05rem 0;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::marker {
  content: "";
}
.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--sand-mute);
  letter-spacing: 0.06em;
}
.page-faq .faq-q {
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.55;
  color: var(--card);
}

/* FAQ 悬停态“问题悬停”——仅调色不跳跃 */
.page-faq .faq-item summary:hover .faq-q,
.page-faq .faq-item summary:focus-visible .faq-q {
  color: var(--cyan);
}
.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}
.page-faq .faq-toggle {
  position: relative;
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  align-self: center;
  flex: none;
}
.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: opacity var(--dur) var(--ease);
}
.page-faq .faq-toggle::before { width: 9px; height: 1px; }
.page-faq .faq-toggle::after { width: 1px; height: 9px; }
.page-faq .faq-item[open] .faq-toggle::after { opacity: 0; }
.page-faq .faq-a {
  padding: 0 0 1.35rem 2.6rem;
  display: grid;
  gap: 0.7rem;
  border-left: 1px dashed var(--line-dashed);
  margin-left: 0.35rem;
  padding-left: 1.9rem;
}
.page-faq .faq-a p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--mist);
}

/* 四步流程 */
.page-faq .faq-steps {
  background: linear-gradient(180deg, rgba(11, 79, 108, 0.34), rgba(7, 26, 34, 0.9));
  border-block: 1px solid var(--line);
}
.page-faq .steps-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: 1fr;
  align-items: start;
}
.page-faq .steps-text h2 {
  margin: 0.5rem 0 0.75rem;
  font-size: var(--step-3);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--sand);
}
.page-faq .steps-lead {
  margin: 0 0 1.75rem;
  max-width: 46ch;
  color: var(--card);
  font-size: var(--step-0);
  line-height: 1.75;
}
.page-faq .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.1rem;
}
.page-faq .step-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.page-faq .step-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .step-num {
  font-family: var(--font-mono);
  font-size: var(--step-0);
  color: var(--terracotta);
  line-height: 1.4;
}
.page-faq .step-list h3 {
  margin: 0 0 0.3rem;
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--card);
  line-height: 1.3;
}
.page-faq .step-list p {
  margin: 0;
  max-width: 48ch;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .steps-figure {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}
.page-faq .media-caption {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--sand-mute);
  line-height: 1.6;
  max-width: 42ch;
}

/* 反馈流程 */
.page-faq .flow-head {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}
.page-faq .flow-head h2 {
  margin: 0;
  font-size: var(--step-2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sand);
  line-height: 1.12;
}
.page-faq .flow-head p {
  margin: 0;
  max-width: 50ch;
  color: var(--mist);
  font-size: var(--step-0);
  line-height: 1.7;
}
.page-faq .flow-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  padding: 0;
  list-style: none;
}
.page-faq .flow-tags li {
  border: 1px dashed var(--line-dashed);
  border-radius: 999px;
  padding: 0.35rem 0.95rem;
  font-size: var(--step--1);
  color: var(--sand);
  letter-spacing: 0.02em;
}
.page-faq .flow-tags li:first-child {
  border-style: solid;
  border-color: var(--terracotta);
  color: var(--terracotta);
}
.page-faq .flow-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-columns: 1fr;
  align-items: start;
}
.page-faq .flow-steps {
  display: grid;
  gap: 1rem;
}
.page-faq .flow-step {
  position: relative;
  padding: 1.15rem 1.25rem 1.15rem 3.4rem;
  border-radius: var(--radius-m);
  background: rgba(22, 44, 51, 0.85);
  border: 1px solid var(--line);
}
.page-faq .flow-num {
  position: absolute;
  left: 1.15rem;
  top: 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  color: var(--cyan);
  line-height: 1.4;
}
.page-faq .flow-step h3 {
  margin: 0 0 0.35rem;
  font-size: var(--step-0);
  font-weight: 700;
  color: var(--card);
}
.page-faq .flow-step p {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--mist);
  max-width: 52ch;
}
.page-faq .flow-figure {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

/* 联系客服 */
.page-faq .contact-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-columns: 1fr;
  align-items: start;
  border-top: 1px dashed var(--line-dashed);
  padding-top: clamp(2rem, 5vw, 3rem);
}
.page-faq .contact-text h2 {
  margin: 0.5rem 0 0.8rem;
  font-size: var(--step-2);
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--sand);
  line-height: 1.1;
}
.page-faq .contact-text p {
  margin: 0 0 1.4rem;
  max-width: 50ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--card);
}
.page-faq .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.page-faq .contact-card {
  border-radius: var(--radius-l);
  padding: clamp(1.25rem, 3vw, 1.85rem);
  background: linear-gradient(160deg, rgba(226, 109, 63, 0.16), rgba(11, 79, 108, 0.4) 60%, rgba(22, 44, 51, 0.9));
  border: 1px solid var(--line-strong);
}
.page-faq .contact-list {
  margin: 0;
  display: grid;
  gap: 0.9rem;
}
.page-faq .contact-list > div {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.page-faq .contact-list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .contact-list dt {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  color: var(--sand-mute);
}
.page-faq .contact-list dd {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--card);
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.page-faq .contact-note {
  margin: 1.1rem 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .contact-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-strong);
}
.page-faq .contact-note a:hover,
.page-faq .contact-note a:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 平板 */
@media (min-width: 620px) {
  .page-faq .faq-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .page-faq .faq-hero-facts li {
    flex-direction: column;
    gap: 0.3rem;
    align-items: flex-start;
  }
  .page-faq .hot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-faq .hot-grid {
    padding-bottom: 1.5rem;
  }
  .page-faq .hot-card:nth-child(even) {
    transform: translateY(1.5rem);
  }
  .page-faq .faq-workbench {
    grid-template-columns: minmax(200px, 262px) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
  .page-faq .steps-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
  .page-faq .steps-figure {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
  .page-faq .flow-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
  .page-faq .contact-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hot-card,
  .page-faq .faq-toggle::before,
  .page-faq .faq-toggle::after,
  .page-faq .faq-index-list a {
    transition: none;
    transform: none;
  }
}
<<<END>>>