.page-faq {
  --faq-line: rgba(109, 123, 134, .28);
  --faq-line-soft: rgba(109, 123, 134, .16);
  --faq-glow: rgba(39, 230, 245, .18);
  --faq-card-bg: linear-gradient(158deg, rgba(13, 39, 64, .92), rgba(6, 21, 37, .94));
  background: var(--ink-900);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 2.2rem 0 2.8rem;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(760px 460px at 88% -12%, var(--faq-glow), transparent 62%),
    radial-gradient(620px 420px at -8% 108%, rgba(255, 138, 42, .13), transparent 66%),
    linear-gradient(168deg, rgba(13, 39, 64, .55) 0%, rgba(6, 21, 37, 0) 58%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -30%;
  width: 60%;
  height: 160%;
  background: linear-gradient(100deg, transparent 30%, rgba(39, 230, 245, .10) 48%, transparent 62%);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--text-dim);
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: .45rem;
  color: var(--rock);
}

.page-faq .crumbs a {
  color: var(--text-soft);
  text-decoration: none;
}

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

.page-faq .faq-hero-copy h1 {
  margin: .5rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-lede {
  max-width: 44ch;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.2rem;
}

.page-faq .faq-pill {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem 1.05rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-cyan);
  background: rgba(13, 39, 64, .7);
  color: var(--sand);
  font-size: .86rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  transform: translateY(-2px);
  background: rgba(39, 230, 245, .14);
  border-color: var(--cyan);
  color: var(--white);
}

.page-faq .faq-pill-code {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--cyan);
}

.page-faq .faq-pill--ghost {
  border-color: var(--faq-line);
  background: transparent;
  color: var(--text-soft);
}

.page-faq .faq-pill--ghost .faq-pill-code {
  color: var(--orange);
}

.page-faq .faq-hero-note {
  margin: 0;
  padding-left: .85rem;
  border-left: 2px solid var(--orange);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  box-shadow: var(--shadow-float);
}

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

/* ---------- 四类分流入 ---------- */
.page-faq .faq-router {
  padding: 2.6rem 0 1rem;
}

.page-faq .faq-router-head {
  max-width: 46ch;
  margin-bottom: 1.6rem;
}

.page-faq .faq-router-head h2 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.6vw, 2rem);
  line-height: 1.2;
  color: var(--white);
}

.page-faq .faq-router-head p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-router-grid {
  display: grid;
  gap: .9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  padding: 1.3rem 1.25rem 1.2rem;
  border-radius: var(--r-md);
  border: 1px solid var(--faq-line-soft);
  background: var(--faq-card-bg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--rock);
}

.page-faq .faq-card--cyan::before { background: var(--cyan); }
.page-faq .faq-card--orange::before { background: var(--orange); }
.page-faq .faq-card--lime::before { background: var(--lime); }

.page-faq .faq-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-cyan);
}

.page-faq .faq-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.35;
  color: var(--sand);
}

.page-faq .faq-card p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-card .link-more {
  margin-top: auto;
  font-size: .82rem;
}

/* ---------- 主区 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 1.6rem;
  padding: 2rem 0 3.4rem;
}

.page-faq .faq-toc {
  align-self: start;
  padding: 1.1rem 1.15rem;
  border-radius: var(--r-md);
  border: 1px solid var(--faq-line-soft);
  background: rgba(13, 39, 64, .55);
}

.page-faq .faq-toc-title {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-toc ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.page-faq .faq-toc li {
  counter-increment: toc;
}

.page-faq .faq-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  padding: .4rem .7rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: .82rem;
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--rock);
}

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

.page-faq .faq-toc-note {
  margin: 1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--faq-line-soft);
  font-size: .76rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-sections {
  display: grid;
  gap: 1.4rem;
  min-width: 0;
}

.page-faq .faq-block {
  padding: 1.4rem 1.2rem 1.5rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-line-soft);
  background: linear-gradient(172deg, rgba(13, 39, 64, .62), rgba(6, 21, 37, .82));
  scroll-margin-top: 5rem;
}

.page-faq .faq-block--wide {
  border-radius: var(--r-lg);
  background:
    linear-gradient(196deg, rgba(39, 230, 245, .09), transparent 42%),
    linear-gradient(172deg, rgba(13, 39, 64, .82), rgba(6, 21, 37, .9));
}

.page-faq .faq-block-code {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-block h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 4.4vw, 1.85rem);
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-block-lede {
  margin: 0 0 1.3rem;
  max-width: 58ch;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-block a.link-more,
.page-faq .faq-block-foot a.link-more {
  font-size: .84rem;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-item {
  margin-bottom: .75rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--faq-line-soft);
  background: rgba(4, 14, 24, .48);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa-item:last-child {
  margin-bottom: 0;
}

.page-faq .qa-item[open] {
  border-color: var(--line-cyan);
  background: rgba(4, 14, 24, .72);
}

.page-faq .qa-item > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .7rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-item > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--r-xs);
  border: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-dim);
}

.page-faq .qa-item[open] .qa-index {
  border-color: var(--line-cyan);
  color: var(--cyan);
}

.page-faq .qa-title {
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--sand);
}

.page-faq .qa-body {
  padding: 0 1rem 1.1rem 3.2rem;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .qa-body p {
  margin: 0 0 .8rem;
}

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

.page-faq .qa-body .link-more {
  font-size: .84rem;
}

/* ---------- 步骤轨道 ---------- */
.page-faq .steps {
  position: relative;
  margin: 0 0 1.3rem;
  padding: 0;
  list-style: none;
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: .5rem;
  bottom: .5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(39, 230, 245, .08));
}

.page-faq .step {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1.1rem;
}

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

.page-faq .step::before {
  content: "";
  position: absolute;
  left: 0;
  top: .32rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
}

.page-faq .steps--tracked .step:last-child::before {
  border-color: var(--lime);
}

.page-faq .step h3 {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.45;
  color: var(--sand);
}

.page-faq .step p {
  margin: 0 0 .45rem;
  font-size: .85rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .step .tag {
  margin-top: .1rem;
}

/* ---------- 列表 ---------- */
.page-faq .faq-bullets {
  margin: 0 0 .9rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: .55rem;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-bullets li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-bullets strong {
  color: var(--sand);
  font-weight: 600;
}

/* ---------- 中段图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--faq-line-soft);
  background: var(--ink-800);
}

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

.page-faq .faq-figure figcaption {
  padding: .8rem 1rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--text-dim);
  border-top: 1px solid var(--faq-line-soft);
}

/* ---------- 联系准备 ---------- */
.page-faq .faq-block--contact {
  background:
    linear-gradient(150deg, rgba(255, 138, 42, .10), transparent 46%),
    linear-gradient(172deg, rgba(13, 39, 64, .8), rgba(6, 21, 37, .92));
}

.page-faq .faq-checklist {
  display: grid;
  gap: .7rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  align-items: start;
  padding: .8rem .9rem;
  border-radius: var(--r-sm);
  background: rgba(4, 14, 24, .5);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-check-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.6rem;
  padding: .22rem .4rem;
  border-radius: var(--r-xs);
  background: rgba(39, 230, 245, .14);
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .06em;
  color: var(--cyan-glow);
}

.page-faq .faq-checklist strong {
  display: block;
  margin-bottom: .2rem;
  font-size: .9rem;
  color: var(--sand);
}

.page-faq .faq-checklist p {
  margin: 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact-box {
  padding: 1.1rem 1.1rem 1.2rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line-cyan);
  background: rgba(13, 39, 64, .78);
}

.page-faq .faq-contact-line {
  margin: 0 0 .55rem;
  font-size: .85rem;
  color: var(--text-dim);
}

.page-faq .faq-contact-val {
  font-family: var(--font-mono);
  font-size: .84rem;
  color: var(--sand);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 0 0 1rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact-box .btn {
  width: 100%;
}

.page-faq .faq-block-foot {
  margin: 1.1rem 0 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 3rem 0 3.6rem;
  }

  .page-faq .faq-lede {
    font-size: 1.06rem;
  }

  .page-faq .faq-router {
    padding: 3.4rem 0 1.2rem;
  }

  .page-faq .faq-router-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-faq .faq-block {
    padding: 1.9rem 1.8rem 2rem;
  }

  .page-faq .qa-item > summary {
    padding: 1rem 1.25rem;
  }

  .page-faq .qa-body {
    padding: 0 1.25rem 1.3rem 3.85rem;
  }

  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-box .btn {
    width: auto;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 2.6rem;
  }

  .page-faq .faq-hero-figure {
    transform: translateY(-.6rem);
  }

  .page-faq .faq-router-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 2rem;
    padding: 2.4rem 0 4.4rem;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 6rem;
  }

  .page-faq .faq-toc ol {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: .15rem;
  }

  .page-faq .faq-toc a {
    width: 100%;
    border-radius: var(--r-xs);
    padding: .45rem .5rem;
  }

  .page-faq .faq-sections {
    gap: 1.6rem;
  }

  .page-faq .faq-block--wide {
    padding-left: 2.6rem;
    padding-right: 2.6rem;
  }

  .page-faq .faq-figure {
    max-width: 78%;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pill,
  .page-faq .faq-card,
  .page-faq .qa-item,
  .page-faq .qa-item > summary::after,
  .page-faq .faq-toc a {
    transition: none;
  }

  .page-faq .faq-card:hover,
  .page-faq .faq-pill:hover {
    transform: none;
  }
}
<<<END>>>