.page-faq {
  --faq-text-soft: #33383F;
  --faq-card-bg: #FFFFFF;
  background: var(--paper);
  color: var(--fg);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--silver);
  padding: 34px 0 52px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -25%;
  width: 110%;
  height: 170%;
  background: linear-gradient(112deg, rgba(200, 164, 106, 0.18) 0%, rgba(53, 224, 208, 0.1) 46%, rgba(11, 13, 16, 0) 74%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--rule);
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(232, 234, 237, 0.58);
}

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

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

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-faq .faq-hero-lede {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(232, 234, 237, 0.8);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-hero-meta .chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--r-pill);
  background: rgba(23, 26, 31, 0.7);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  white-space: nowrap;
}

.page-faq .faq-hero-meta .btn {
  margin-left: auto;
}

/* ---------- 问题卡索引 ---------- */
.page-faq .faq-index {
  padding: 44px 0 52px;
  background: var(--paper);
  scroll-margin-top: 20px;
}

.page-faq .faq-index-head .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

.page-faq .faq-index-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-faq .faq-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: var(--faq-card-bg);
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease),
    border-radius var(--t-mid) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-visible {
  border-color: var(--gold);
  border-radius: var(--r-md);
  background: #FFFDF8;
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

.page-faq .faq-card-num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-card h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-faq .faq-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-text-soft);
}

.page-faq .faq-card-time {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  opacity: 0.6;
  transition: opacity var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-card:hover .faq-card-time,
.page-faq .faq-card:focus-visible .faq-card-time {
  opacity: 1;
  color: var(--cyan-deep);
}

/* ---------- 正文与右侧目录 ---------- */
.page-faq .faq-body {
  padding-bottom: 64px;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-toc {
  display: none;
}

/* ---------- 章节 ---------- */
.page-faq .faq-chapter {
  padding: 30px 0 12px;
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 20px;
}

.page-faq .faq-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-chapter-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-faq .faq-chapter-num {
  flex: none;
  padding: 3px 9px;
  border: 1px solid rgba(200, 164, 106, 0.45);
  border-radius: var(--r-pill);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--gold);
  background: rgba(200, 164, 106, 0.08);
}

.page-faq .faq-chapter h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, 29px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-chapter-lede {
  margin: 14px 0 20px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--faq-text-soft);
}

.page-faq .faq-chapter-lede a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 2px solid rgba(14, 140, 134, 0.32);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

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

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  position: relative;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--hairline);
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 26px;
  align-items: start;
  gap: 12px;
  padding: 9px 0;
}

.page-faq .step-num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .step-text {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .step:has(input:checked) .step-text {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: rgba(58, 65, 73, 0.45);
}

.page-faq .step-tick {
  position: relative;
  display: block;
  width: 26px;
  height: 26px;
  margin-top: 3px;
  cursor: pointer;
}

.page-faq .step-tick input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-faq .step-tick span {
  position: absolute;
  inset: 0;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-faq .step-tick span::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 5px;
  width: 6px;
  height: 11px;
  border: solid var(--paper);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg) scale(0.6);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-faq .step-tick input:checked + span {
  border-color: var(--cyan-deep);
  background: var(--cyan-deep);
}

.page-faq .step-tick input:checked + span::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.page-faq .step-tick:hover span {
  border-color: var(--gold);
}

.page-faq .step-tick input:focus-visible + span {
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

/* ---------- 示意图 ---------- */
.page-faq .faq-figure {
  margin: 4px 0 20px;
  padding: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--slate);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 失败处理折叠 ---------- */
.page-faq .faq-fail {
  margin: 0 0 6px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.62);
  overflow: hidden;
}

.page-faq .faq-fail summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .faq-fail summary::before {
  content: "+";
  flex: none;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan-deep);
  text-align: center;
}

.page-faq .faq-fail[open] summary::before {
  content: "−";
}

.page-faq .faq-fail summary:hover,
.page-faq .faq-fail summary:focus-visible {
  color: var(--cyan-deep);
}

.page-faq .faq-fail summary:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: -2px;
}

.page-faq .faq-fail ul {
  margin: 0;
  padding: 0 16px 14px 44px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--faq-text-soft);
}

.page-faq .faq-fail li {
  overflow-wrap: anywhere;
}

.page-faq .faq-fail li + li {
  margin-top: 6px;
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-help-card {
  margin-top: 4px;
  padding: 22px 20px 20px;
  border-radius: var(--r-lg);
  background: var(--graphite);
  color: var(--silver);
  border: 1px solid var(--rule);
}

.page-faq .faq-help-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-help-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.page-faq .faq-help-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline-light);
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
  overflow-wrap: anywhere;
}

.page-faq .faq-help-list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(232, 234, 237, 0.55);
}

.page-faq .faq-help-note {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(232, 234, 237, 0.74);
}

.page-faq .faq-help-card .btn {
  display: inline-flex;
  align-items: center;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 46px 0 68px;
  }

  .page-faq .faq-cards {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 18px;
  }

  .page-faq .faq-card:nth-child(even) {
    margin-top: 22px;
  }

  .page-faq .faq-card {
    padding: 24px 24px 20px;
  }

  .page-faq .faq-chapter {
    padding: 40px 0 14px;
  }

  .page-faq .faq-help-card {
    padding: 28px 26px 24px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 56px 0 84px;
  }

  .page-faq .faq-index {
    padding: 56px 0 64px;
  }

  .page-faq .faq-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 56px;
    align-items: start;
    padding-bottom: 84px;
  }

  .page-faq .faq-toc {
    display: block;
    position: sticky;
    top: 28px;
    padding-left: 16px;
    border-left: 1px solid var(--hairline);
  }

  .page-faq .faq-toc-title {
    margin: 0 0 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--gold);
  }

  .page-faq .faq-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .page-faq .faq-toc-list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-toc-list a {
    display: block;
    padding: 6px 8px 6px 10px;
    border-left: 3px solid transparent;
    font-size: 13px;
    line-height: 1.6;
    color: var(--muted);
    text-decoration: none;
    transition: color var(--t-fast) var(--ease),
      border-color var(--t-fast) var(--ease),
      background-color var(--t-fast) var(--ease);
  }

  .page-faq .faq-toc-list a:hover,
  .page-faq .faq-toc-list a:focus-visible {
    color: var(--ink);
    border-left-color: var(--gold);
  }

  .page-faq .faq-toc-list a[aria-current] {
    color: var(--ink);
    border-left-color: var(--cyan-deep);
    background: rgba(14, 140, 134, 0.07);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 72px;
  }

  .page-faq .step-text {
    font-size: 16px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero-meta .btn {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }

  .page-faq .step {
    grid-template-columns: 28px minmax(0, 1fr) 24px;
    gap: 10px;
  }

  .page-faq .step-num {
    width: 28px;
    height: 28px;
    font-size: 11px;
  }

  .page-faq .faq-steps::before {
    left: 13px;
  }

  .page-faq .step-text {
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-card-time,
  .page-faq .step-tick span,
  .page-faq .step-tick span::after,
  .page-faq .faq-toc-list a,
  .page-faq .faq-fail summary {
    transition-duration: 1ms;
  }
}
<<<PAGE_CSS_END>>>