.page-faq {
  --faq-pad: clamp(2.5rem, 7vw, 5.5rem);
  --faq-lead-w: 40ch;
  --faq-line: var(--line);
  background: var(--abyss);
  color: var(--frost);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq a {
  color: var(--ice);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-faq h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.6vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0.35rem 0 0.9rem;
  max-width: 26ch;
  color: var(--frost);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: var(--faq-lead-w);
  color: var(--silver);
  font-size: 1rem;
  line-height: 1.78;
}

.page-faq .eyebrow {
  color: var(--ice);
  letter-spacing: 0.16em;
}

.page-faq .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-faq .cta-row .btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 1.3rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.5rem, 5vw, 2.6rem) 0 0;
  overflow: hidden;
  background:
    radial-gradient(120% 84% at 92% -12%, rgba(139, 121, 255, 0.26), transparent 62%),
    radial-gradient(90% 72% at -12% 108%, rgba(11, 59, 68, 0.9), transparent 62%),
    var(--abyss);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: -14%;
  top: 38%;
  width: 150%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ice) 30%, var(--aurora-a) 58%, transparent 86%);
  opacity: 0.55;
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-bottom: var(--faq-pad);
}

.page-faq .faq-hero__meta {
  margin-bottom: clamp(1.5rem, 4vw, 2.6rem);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 8.4vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0.55rem 0 0;
  max-width: 22ch;
  color: var(--frost);
}

.page-faq .faq-mark {
  color: var(--ice);
}

.page-faq .faq-hero__aside {
  margin-top: 1.6rem;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 36ch;
  color: var(--silver);
  font-size: 1rem;
  line-height: 1.78;
}

.page-faq .path-line {
  position: relative;
  z-index: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--ice), var(--aurora-a) 46%, transparent 92%);
  opacity: 0.7;
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding: var(--faq-pad) 0;
  background: var(--abyss);
}

.page-faq .faq-block--teal {
  background: var(--teal-deep);
}

.page-faq .faq-block--indigo {
  background: var(--indigo);
}

.page-faq .faq-block--wine {
  background: var(--wine);
}

/* ---------- 路线选择 ---------- */
.page-faq .route-list {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  background: var(--line-strong);
  border-block: 1px solid var(--line-strong);
}

.page-faq .route {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1rem;
  padding: 1.35rem 1.1rem 1.5rem;
  background: var(--teal-deep);
  text-decoration: none;
  color: var(--frost);
  transition: background 0.22s var(--ease);
}

.page-faq .route:hover,
.page-faq .route:focus-visible {
  background: #0f4a55;
}

.page-faq .route__num {
  grid-column: 1;
  grid-row: 1 / span 3;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ice);
  padding-top: 0.2rem;
}

.page-faq .route__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-faq .route__desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0.4rem 0 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.68;
  max-width: 34ch;
}

.page-faq .route__go {
  grid-column: 2;
  grid-row: 3;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .route-foot {
  margin: 1.5rem 0 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.7;
}

/* ---------- 步骤 ---------- */
.page-faq .steps {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  padding: 0;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  column-gap: 0.85rem;
  padding: 1.1rem 0 1.2rem;
  border-top: 1px solid var(--faq-line);
}

.page-faq .step:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 5vw, 1.8rem);
  line-height: 1;
  color: var(--ice);
  padding-top: 0.15rem;
}

.page-faq .step__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-faq .step__text p {
  margin: 0.4rem 0 0;
  color: var(--silver);
  font-size: 0.95rem;
  line-height: 1.72;
  max-width: 36ch;
}

.page-faq .step-check {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 52px;
  margin-top: 0.5rem;
  padding-right: 0.4rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  transition: color 0.2s var(--ease);
}

.page-faq .step-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .step-check__box {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .step-check input:checked + .step-check__box {
  background: var(--ice);
  border-color: var(--ice);
}

.page-faq .step-check input:checked + .step-check__box::after {
  content: "";
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--abyss);
  border-bottom: 2px solid var(--abyss);
  transform: rotate(-45deg) translateY(-1px);
}

.page-faq .step-check input:focus-visible + .step-check__box {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-faq .step-check:hover {
  color: var(--frost);
}

.page-faq .step-check input:checked ~ .step-check__text {
  color: var(--ice);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 1.8rem 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--line-strong);
  object-fit: cover;
  background: rgba(4, 24, 38, 0.5);
}

.page-faq .faq-figure figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

/* ---------- 联系路径 ---------- */
.page-faq .contact-paths {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2rem);
  background: var(--line-strong);
  border-block: 1px solid var(--line-strong);
}

.page-faq .contact-path {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  column-gap: 0.85rem;
  padding: 1.25rem 1.1rem 1.4rem;
  background: rgba(4, 24, 38, 0.42);
}

.page-faq .contact-path p {
  margin: 0.4rem 0 0;
  color: var(--silver);
  font-size: 0.95rem;
  line-height: 1.72;
  max-width: 36ch;
}

.page-faq .faq-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1rem;
  width: 100%;
  max-width: 30rem;
  min-height: 52px;
  margin-top: 1rem;
  padding: 0.85rem 1.05rem;
  background: rgba(242, 174, 91, 0.12);
  border: 1px solid rgba(242, 174, 91, 0.45);
  border-radius: var(--radius);
  color: var(--frost);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-copy:hover {
  background: rgba(242, 174, 91, 0.2);
}

.page-faq .faq-copy[data-copied="true"] {
  border-color: var(--ice);
  background: rgba(121, 230, 221, 0.16);
}

.page-faq .faq-copy .copy-hint {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-copy[data-copied="true"] .copy-hint {
  color: var(--ice);
}

.page-faq .contact-note {
  margin: 1.4rem 0 0;
  max-width: var(--faq-lead-w);
  color: var(--silver);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ---------- 细节矩阵 ---------- */
.page-faq .detail-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  background: var(--line-strong);
  border-block: 1px solid var(--line-strong);
}

.page-faq .detail {
  background: rgba(4, 24, 38, 0.42);
  padding: 1.2rem 1.1rem 1.35rem;
}

.page-faq .detail__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-faq .detail p {
  margin: 0.5rem 0 0;
  color: var(--silver);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ---------- 问答 ---------- */
.page-faq .qa-grid {
  display: grid;
  gap: 0.55rem;
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.022);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--amber);
  background: rgba(11, 59, 68, 0.5);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  min-height: 52px;
  padding: 0.95rem 1rem;
  list-style: none;
  cursor: pointer;
  color: var(--frost);
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.5;
}

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

.page-faq .qa__q {
  flex: 1 1 auto;
}

.page-faq .qa summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1.25;
  color: var(--ice);
}

.page-faq .qa[open] summary::after {
  content: "−";
  color: var(--amber);
}

.page-faq .qa__a {
  padding: 0 1rem 1.1rem;
  color: var(--silver);
  font-size: 0.93rem;
  line-height: 1.76;
}

.page-faq .qa__a p {
  margin: 0 0 0.6rem;
  max-width: 42ch;
}

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

.page-faq .faq-legal-note {
  margin: 1.8rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 640px) {
  .page-faq .detail-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .route-list {
    grid-template-columns: 1fr;
  }

  .page-faq .step-check {
    min-height: 42px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-faq .faq-hero__meta {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero__main {
    grid-column: 1;
  }

  .page-faq .faq-hero__aside {
    grid-column: 2;
    margin-top: 0;
    padding-top: clamp(1rem, 3vw, 2.6rem);
    padding-left: clamp(1.2rem, 2.5vw, 2rem);
    border-left: 1px solid var(--line);
  }

  .page-faq .route-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .route {
    padding: 1.5rem 1.3rem 1.7rem;
  }

  .page-faq .split-2 {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 4.5vw, 3.6rem);
    align-items: start;
  }

  .page-faq .split-2--rev {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-faq .split-2--rev .split-2__text {
    order: 2;
  }

  .page-faq .split-2--rev .faq-figure {
    order: 1;
  }

  .page-faq .split-2 .faq-figure {
    margin-top: clamp(1.5rem, 4vw, 3rem);
  }

  .page-faq .contact-paths {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .qa-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .detail-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
<<<END>>>