.page-faq {
  --faq-panel: var(--ink-2);
  --faq-panel-line: rgba(57, 245, 208, 0.18);
  --faq-gap: 20px;
  --faq-cut: 18px;
  padding-bottom: 72px;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(124, 154, 144, 0.6);
}

.page-faq .crumbs a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 245, 208, 0.3);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 28px;
  padding-bottom: 48px;
  position: relative;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(57, 245, 208, 0.05) 42%, transparent 70%);
  transform-origin: left center;
}

.page-faq .hero-grid {
  display: grid;
  gap: 32px;
}

.page-faq .hero-main h1 {
  margin: 10px 0 18px;
  font-size: clamp(2rem, 7.5vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  max-width: 16ch;
}

.page-faq .lede {
  max-width: 56ch;
  color: rgba(244, 248, 245, 0.84);
}

.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .hero-aside {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-panel-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-faq .aside-list a {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  align-items: baseline;
  gap: 8px;
  padding: 11px 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-left: 2px solid transparent;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .aside-list a:hover,
.page-faq .aside-list a:focus-visible {
  background: rgba(57, 245, 208, 0.08);
  border-left-color: var(--cyan);
}

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

.page-faq .aside-list b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}

.page-faq .aside-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 248, 245, 0.66);
}

.page-faq .aside-note .tag {
  margin-right: 6px;
  vertical-align: 1px;
}

/* ---------- 快速排查 ---------- */
.page-faq .quick-block .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-faq .head-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 44ch;
}

.page-faq .quick-grid {
  display: grid;
  gap: 14px;
}

.page-faq .quick-card {
  position: relative;
  padding: 22px 20px 18px;
  background: linear-gradient(160deg, rgba(14, 42, 34, 0.96), rgba(7, 28, 22, 0.92));
  border: 1px solid var(--line-soft);
  border-top: 2px solid rgba(57, 245, 208, 0.45);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .quick-card:nth-child(2n) {
  border-top-color: rgba(242, 184, 75, 0.55);
}

.page-faq .quick-tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .quick-card h3 {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 9px;
}

.page-faq .steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(244, 248, 245, 0.78);
}

.page-faq .steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  color: var(--cyan);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 28px;
  padding-top: 56px;
}

.page-faq .faq-toc {
  align-self: start;
  padding: 20px 18px;
  border-left: 2px solid rgba(57, 245, 208, 0.35);
  background: rgba(14, 42, 34, 0.5);
}

.page-faq .faq-toc .eyebrow {
  margin: 0 0 12px;
}

.page-faq .faq-toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc a {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 6px;
  padding: 9px 8px;
  color: rgba(244, 248, 245, 0.86);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--cyan);
  background: rgba(57, 245, 208, 0.07);
}

.page-faq .faq-toc .mono {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

.page-faq .toc-tip {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .toc-tip .mono {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .toc-tip a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 245, 208, 0.32);
}

.page-faq .faq-body {
  display: grid;
  gap: 34px;
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
  padding: 22px 18px 8px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  scroll-margin-top: calc(var(--bar-h) + 20px);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .faq-group:target {
  border-color: rgba(57, 245, 208, 0.6);
  box-shadow: 0 0 0 1px rgba(57, 245, 208, 0.22);
}

.page-faq .group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .group-num {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-faq .group-head .h2 {
  margin: 0;
  font-size: clamp(1.4rem, 4.5vw, 1.9rem);
}

.page-faq .group-lede {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 248, 245, 0.8);
  max-width: 46ch;
}

/* 手风琴 */
.page-faq .fold {
  border-top: 1px solid var(--line-soft);
}

.page-faq .fold-btn {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  background: none;
  border: 0;
  text-align: left;
  color: var(--white);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
}

.page-faq .fold-btn:hover .q-text,
.page-faq .fold-btn:focus-visible .q-text {
  color: var(--cyan);
}

.page-faq .q-num {
  flex: none;
  font-size: 11px;
  line-height: 1.9;
  padding: 0 7px;
  color: var(--ink);
  background: rgba(57, 245, 208, 0.85);
}

.page-faq .q-text {
  flex: 1 1 auto;
  transition: color 160ms var(--ease);
}

.page-faq .fold-panel {
  padding: 0 0 18px 44px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 248, 245, 0.76);
}

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

.page-faq .fold-panel p {
  margin: 0;
  max-width: 58ch;
}

/* 奶油纸分组 */
.page-faq .faq-group--paper {
  background: var(--paper);
  border-color: rgba(26, 21, 17, 0.18);
  color: var(--brown);
}

.page-faq .faq-group--paper .group-head .h2,
.page-faq .faq-group--paper .group-lede,
.page-faq .faq-group--paper .fold-btn {
  color: var(--brown);
}

.page-faq .faq-group--paper .group-num {
  color: #b0521f;
}

.page-faq .faq-group--paper .group-lede {
  color: rgba(26, 21, 17, 0.78);
}

.page-faq .faq-group--paper .fold {
  border-top-color: rgba(26, 21, 17, 0.16);
}

.page-faq .faq-group--paper .q-num {
  color: var(--paper);
  background: var(--brown);
}

.page-faq .faq-group--paper .fold-panel {
  color: rgba(26, 21, 17, 0.8);
}

.page-faq .faq-group--paper .fold-btn:hover .q-text,
.page-faq .faq-group--paper .fold-btn:focus-visible .q-text {
  color: #b0521f;
}

.page-faq .collect-top {
  display: grid;
  gap: 18px;
  margin-bottom: 8px;
}

.page-faq .collect-figure {
  margin: 0;
  max-width: 230px;
}

.page-faq .collect-figure .media {
  border: 1px solid rgba(26, 21, 17, 0.2);
}

.page-faq .collect-figure .media-caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(26, 21, 17, 0.62);
}

/* ---------- 联系客服 ---------- */
.page-faq .contact-block {
  padding-top: 56px;
}

.page-faq .contact-grid {
  display: grid;
  gap: 26px;
  padding: 26px 20px;
  background: linear-gradient(150deg, rgba(14, 42, 34, 0.9), rgba(7, 28, 22, 0.98));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .contact-main h2 {
  margin: 8px 0 14px;
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  line-height: 1.2;
}

.page-faq .contact-main p {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 248, 245, 0.82);
}

.page-faq .contact-main strong {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}

.page-faq .contact-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .contact-list li {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  background: rgba(7, 28, 22, 0.62);
  border-left: 2px solid rgba(57, 245, 208, 0.5);
}

.page-faq .contact-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .contact-foot {
  margin-top: 16px !important;
  font-size: 13px !important;
  color: var(--muted) !important;
}

.page-faq .contact-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 245, 208, 0.32);
}

.page-faq .contact-figure {
  margin: 0;
  align-self: center;
}

.page-faq .contact-figure .media {
  border: 1px solid var(--line-soft);
}

.page-faq .contact-figure .media-caption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .collect-top {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-faq .collect-figure {
    max-width: none;
  }

  .page-faq .contact-grid {
    padding: 32px 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 40px;
  }

  .page-faq .hero-aside {
    margin-top: 6px;
  }

  .page-faq .quick-block .section-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
    align-items: end;
    gap: 28px;
  }

  .page-faq .quick-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-shell {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: 40px;
    padding-top: 72px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-faq .faq-group {
    padding: 26px 28px 10px;
  }

  .page-faq .fold-btn {
    font-size: 16px;
    padding: 18px 0;
  }

  .page-faq .contact-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 40px;
    padding: 40px 36px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-shell {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .collect-top {
    grid-template-columns: 230px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .aside-list a,
  .page-faq .q-text,
  .page-faq .faq-group,
  .page-faq .faq-toc a {
    transition: none;
  }
}
<<<END>>>