.page-faq {
  --faq-shadow-deep: 6px 6px 0 #07111C;
  --faq-shadow-soft: 4px 4px 0 var(--line);
  background: var(--cream);
  color: var(--text-ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumb {
  position: relative;
  z-index: 1;
  margin: 0 0 22px;
}
.page-faq .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.page-faq .crumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-faq .crumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.page-faq .crumb-link:hover,
.page-faq .crumb-link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-faq .crumb-sep {
  color: #45596F;
  font-family: var(--font-mono);
}
.page-faq .crumb-here {
  color: var(--cream);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 44px;
  background: linear-gradient(158deg, #0E1B2C 0%, #16283D 58%, #1A2F45 100%);
  color: var(--cream);
  border-bottom: 2px solid var(--line);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(221, 229, 239, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(221, 229, 239, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.page-faq .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}
.page-faq .hero-copy h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 8vw, 50px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: #FFFFFF;
}
.page-faq .hero-lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-faq .quick-card {
  padding: 18px 16px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--faq-shadow-deep);
}
.page-faq .quick-card-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mist);
}
.page-faq .quick-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .quick-link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: rgba(221, 229, 239, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--cream);
  font-size: 15px;
  text-decoration: none;
  transition: border-color .16s ease, background-color .16s ease, transform .16s ease;
}
.page-faq .quick-link:hover,
.page-faq .quick-link:focus-visible {
  border-color: var(--amber);
  background: rgba(242, 160, 61, 0.1);
  transform: translateX(2px);
}
.page-faq .quick-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}
.page-faq .quick-arrow {
  font-family: var(--font-mono);
  color: var(--mist);
  text-align: right;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-main {
  padding: 32px 0 56px;
  background:
    linear-gradient(to bottom, rgba(221, 229, 239, 0.5) 0, rgba(221, 229, 239, 0) 180px),
    var(--cream);
}
.page-faq .faq-layout {
  display: grid;
  gap: 24px;
  align-items: start;
}
.page-faq .faq-body {
  display: grid;
  gap: 22px;
  min-width: 0;
  max-width: 760px;
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  padding: 16px 14px;
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--faq-shadow-soft);
}
.page-faq .toc-title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-ink);
}
.page-faq .toc-note {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--grid-blue);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}
.page-faq .toc-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .toc-link {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px 8px 8px 6px;
  border-left: 3px solid transparent;
  border-radius: 2px;
  color: var(--text-ink);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color .16s ease, border-color .16s ease;
}
.page-faq .toc-link:hover,
.page-faq .toc-link:focus-visible {
  background: var(--cream);
  border-left-color: var(--mist);
}
.page-faq .toc-link--key {
  background: #FDF4E6;
  border-left-color: var(--amber);
  font-weight: 700;
}
.page-faq .toc-link--key:hover,
.page-faq .toc-link--key:focus-visible {
  background: #FBEAD3;
  border-left-color: var(--amber-press);
}
.page-faq .toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.page-faq .toc-link--key .toc-num {
  color: var(--amber-press);
}
.page-faq .toc-label {
  min-width: 0;
  overflow-wrap: anywhere;
}
.page-faq .toc-flag {
  padding: 2px 6px;
  background: var(--amber);
  border-radius: 2px;
  color: #101A26;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-block {
  padding: 20px 16px;
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--line);
}
.page-faq .faq-block--key {
  background: linear-gradient(180deg, #FFFBF3 0%, var(--paper) 46%);
}
.page-faq .faq-block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--grid-blue);
}
.page-faq .mono-num {
  display: inline-grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  padding: 0 8px;
  background: var(--amber);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 var(--line);
  color: #101A26;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.page-faq .block-eyebrow {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--amber-press);
}
.page-faq .faq-block-title {
  margin: 0;
  font-size: clamp(20px, 5vw, 27px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--text-ink);
}
.page-faq .block-lead {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-muted);
}
.page-faq .block-foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 2px solid var(--grid-blue);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ---------- 第 2 节图片 ---------- */
.page-faq .step-figure {
  max-width: 320px;
  margin: 0 0 22px;
  padding: 10px;
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(36, 55, 79, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 55, 79, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
}
.page-faq .step-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-faq .fig-cap {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* ---------- 步骤条 ---------- */
.page-faq .step-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .step-item {
  position: relative;
  padding: 0 0 22px 54px;
}
.page-faq .step-item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 2px;
  width: 2px;
  background: var(--grid-blue);
}
.page-faq .step-item:last-child {
  padding-bottom: 0;
}
.page-faq .step-item:last-child::before {
  display: none;
}
.page-faq .step-node {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--amber);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 var(--line);
  color: #101A26;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}
.page-faq .step-title {
  margin: 6px 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--text-ink);
}
.page-faq .step-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-ink);
}
.page-faq .step-more {
  margin-top: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--grid-blue);
}
.page-faq .step-more summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber-press);
}
.page-faq .step-more summary::-webkit-details-marker {
  display: none;
}
.page-faq .step-more summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
}
.page-faq .step-more[open] summary::before {
  content: "−";
  background: var(--amber);
  border-color: var(--amber-press);
  color: #101A26;
}
.page-faq .step-more p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ---------- 常见问题 ---------- */
.page-faq .qa-intro {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}
.page-faq .qa-intro .block-lead {
  margin: 0;
}
.page-faq .qa-figure {
  margin: 0;
  overflow: hidden;
  background: var(--cream);
  border: 2px solid var(--line);
  border-radius: var(--radius);
}
.page-faq .qa-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-faq .qa-cols {
  display: grid;
  gap: 24px;
}
.page-faq .qa-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-ink);
}
.page-faq .qa-group-mark {
  width: 8px;
  height: 8px;
  background: var(--amber);
  border: 1px solid var(--line);
}
.page-faq .qa-item {
  padding: 2px 0;
  border-bottom: 1px solid var(--grid-blue);
}
.page-faq .qa-item:last-child {
  border-bottom: 0;
}
.page-faq .qa-item summary {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-ink);
}
.page-faq .qa-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa-item summary::before {
  content: "+";
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-ink);
}
.page-faq .qa-item[open] summary::before {
  content: "−";
  background: var(--amber);
  border-color: var(--amber-press);
}
.page-faq .qa-item[open] summary {
  color: var(--amber-press);
}
.page-faq .qa-answer {
  padding: 0 0 14px 28px;
}
.page-faq .qa-answer p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-muted);
}
.page-faq .qa-item[open] .qa-answer {
  animation: page-faq-fade .22s ease both;
}

/* ---------- 账号与反馈 ---------- */
.page-faq .faq-block--dark {
  background: var(--ink);
  border-color: var(--line);
  box-shadow: var(--faq-shadow-deep);
}
.page-faq .faq-block--dark .faq-block-head {
  border-bottom-color: var(--line);
}
.page-faq .faq-block--dark .faq-block-title {
  color: #FFFFFF;
}
.page-faq .faq-block--dark .block-eyebrow {
  color: var(--amber);
}
.page-faq .account-grid {
  display: grid;
  gap: 18px;
}
.page-faq .account-item {
  padding-left: 12px;
  border-left: 2px solid var(--amber);
}
.page-faq .account-item-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
  color: #FFFFFF;
}
.page-faq .account-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .channel-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 16px 0 0;
  border-top: 2px solid var(--line);
  list-style: none;
}
.page-faq .channel-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.7;
}
.page-faq .channel-key {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}
.page-faq .channel-val {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--cream);
}
.page-faq .channel-val--link {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  transition: color .16s ease;
}
.page-faq .channel-val--link:hover,
.page-faq .channel-val--link:focus-visible {
  color: var(--amber);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-block--help {
  background: linear-gradient(150deg, #182B41 0%, #0E1B2C 100%);
  border-color: var(--line);
  border-left: 8px solid var(--amber);
  box-shadow: var(--faq-shadow-deep);
}
.page-faq .faq-block--help .faq-block-head {
  border-bottom-color: var(--line);
}
.page-faq .faq-block--help .faq-block-title {
  color: #FFFFFF;
}
.page-faq .faq-block--help .block-eyebrow {
  color: var(--amber);
}
.page-faq .faq-block--help .block-lead {
  color: var(--mist);
}
.page-faq .contact-strip {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
}
.page-faq .contact-chip {
  display: block;
  padding: 12px;
  background: rgba(221, 229, 239, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color .16s ease, background-color .16s ease;
}
.page-faq .contact-chip--link:hover,
.page-faq .contact-chip--link:focus-visible {
  border-color: var(--amber);
  background: rgba(242, 160, 61, 0.12);
}
.page-faq .chip-key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
}
.page-faq .chip-val {
  display: block;
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream);
}
.page-faq .tips-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .tip-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .tip-mark {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

@keyframes page-faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (min-width: 480px) {
  .page-faq .faq-hero { padding: 24px 0 52px; }
  .page-faq .faq-block { padding: 24px 20px; }
  .page-faq .contact-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-faq .contact-chip:first-child { grid-column: 1 / -1; }
}

@media (min-width: 720px) {
  .page-faq .hero-lead { font-size: 17px; }
  .page-faq .qa-intro {
    grid-template-columns: minmax(0, 1fr) 200px;
    align-items: center;
    gap: 22px;
  }
  .page-faq .account-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; }
  .page-faq .faq-main { padding: 40px 0 64px; }
  .page-faq .step-figure { max-width: 300px; float: right; margin: 0 0 16px 20px; }
}

@media (min-width: 860px) {
  .page-faq .qa-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .page-faq .faq-block { padding: 28px 28px; box-shadow: 6px 6px 0 var(--line); }
}

@media (min-width: 900px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 40px;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-link,
  .page-faq .toc-link,
  .page-faq .crumb-link,
  .page-faq .contact-chip,
  .page-faq .channel-val--link {
    transition: none;
  }
  .page-faq .quick-link:hover {
    transform: none;
  }
  .page-faq .qa-item[open] .qa-answer {
    animation: none;
  }
}
<<<END>>>