.page-faq {
  --faq-rail-w: 258px;
  --faq-hair: rgba(58, 64, 70, 0.24);
  --faq-ink-soft: #3c4349;
  background: var(--rb-paper);
  color: var(--rb-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 44px 0 62px;
  color: var(--rb-paper);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(200, 16, 46, 0.34), transparent 58%),
    linear-gradient(168deg, var(--rb-ink) 0%, #1a1d23 52%, #2a1116 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(154, 163, 171, 0.14) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(154, 163, 171, 0.14) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

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

.page-faq .faq-crumb {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rb-silver);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-crumb a {
  color: var(--rb-silver);
  text-decoration: none;
  border-bottom: 1px solid rgba(154, 163, 171, 0.5);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: #ffffff;
  border-bottom-color: var(--rb-red);
}

.page-faq .faq-hero .eyebrow {
  color: var(--rb-red);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 18ch;
}

.page-faq .faq-hero .lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

.page-faq .faq-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid rgba(244, 241, 234, 0.3);
  font-size: 13px;
  color: rgba(244, 241, 234, 0.82);
}

.page-faq .faq-hero__facts .mono {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding: 42px 0 76px;
}

.page-faq .faq-rail {
  border-top: 3px solid var(--rb-red);
  border-left: 2px solid var(--rb-ink);
  padding: 16px 0 16px 16px;
  background: linear-gradient(180deg, rgba(227, 223, 212, 0.7), rgba(244, 241, 234, 0));
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--rb-silver);
}

.page-faq .faq-rail__routes {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .faq-rail__routes a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border: 2px solid var(--rb-ink);
  background: #ffffff;
  color: var(--rb-ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 3px 3px 0 rgba(20, 22, 26, 0.85);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-rail__routes a .mono {
  font-size: 12px;
  color: var(--rb-clay);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-rail__routes a:hover,
.page-faq .faq-rail__routes a:focus-visible {
  transform: translateY(-2px);
  background: var(--rb-linen);
}

.page-faq .faq-rail__toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-faq .faq-rail__toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 6px;
  color: var(--faq-ink-soft);
  text-decoration: none;
  font-size: 13.5px;
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-rail__toc a .mono {
  font-size: 11px;
  color: var(--rb-silver);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-rail__toc a:hover,
.page-faq .faq-rail__toc a:focus-visible {
  color: var(--rb-red);
  border-left-color: var(--rb-red);
  background: rgba(227, 223, 212, 0.6);
}

.page-faq .faq-body {
  display: grid;
  gap: 56px;
  min-width: 0;
}

/* ---------- 章节头 ---------- */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  border-bottom: 2px solid var(--rb-ink);
  padding-bottom: 14px;
  margin-bottom: 24px;
}

.page-faq .faq-sec__no {
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1;
  font-weight: 700;
  color: var(--rb-clay);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 29px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-faq .faq-sec__note {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--rb-red);
  font-size: 14px;
  line-height: 1.8;
  color: #4a5158;
}

/* ---------- 两条检索线 ---------- */
.page-faq .faq-routes {
  display: grid;
  gap: 14px;
}

.page-faq .faq-route {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  border: 2px solid var(--rb-ink);
  background: #ffffff;
  color: var(--rb-ink);
  text-decoration: none;
  box-shadow: var(--shadow-hard);
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-route h3 {
  margin: 4px 0 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .faq-route p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-route .tag {
  justify-self: start;
}

.page-faq .faq-route__more {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rb-eblue);
  border-bottom: 1px solid transparent;
}

.page-faq .faq-route:hover,
.page-faq .faq-route:focus-visible {
  transform: translateY(-2px);
  background: #fffdf8;
}

.page-faq .faq-route:hover .faq-route__more,
.page-faq .faq-route:focus-visible .faq-route__more {
  border-bottom-color: var(--rb-eblue);
}

/* ---------- 图注与配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

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

/* ---------- 表格 ---------- */
.page-faq .faq-table {
  min-width: 660px;
  font-size: 14px;
}

.page-faq .faq-table th[scope="row"] {
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-table td .mono,
.page-faq .faq-table .mono {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 正文与自检 ---------- */
.page-faq .faq-sub {
  margin: 34px 0 10px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  padding-left: 12px;
  border-left: 4px solid var(--rb-clay);
}

.page-faq .faq-text {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-check li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  padding: 15px 16px;
  background: #ffffff;
  border: 2px solid var(--rb-ink);
  border-left-width: 6px;
  border-left-color: var(--rb-clay);
}

.page-faq .faq-check__no {
  grid-row: 1 / span 2;
  font-size: 15px;
  font-weight: 700;
  color: var(--rb-clay);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-check h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 900;
}

.page-faq .faq-check p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

/* ---------- 派彩步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 2px solid var(--rb-line);
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0 16px 16px;
  border-bottom: 1px dashed var(--faq-hair);
  position: relative;
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 24px;
  width: 10px;
  height: 10px;
  background: var(--rb-eblue);
  transform: rotate(45deg);
}

.page-faq .faq-steps__no {
  font-size: 15px;
  font-weight: 700;
  color: var(--rb-eblue);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-steps h4 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 900;
}

.page-faq .faq-steps p {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

.page-faq .faq-item {
  border: 2px solid var(--rb-ink);
  background: #ffffff;
  transition: background 0.18s var(--ease);
}

.page-faq .faq-item > summary {
  display: block;
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 15px 18px 15px 54px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--rb-ink);
  transition: background 0.18s var(--ease);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary::before {
  content: "+";
  position: absolute;
  left: 16px;
  top: 14px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--rb-paper);
  background: var(--rb-ink);
  transition: background 0.18s var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  content: "\2212";
  background: var(--rb-red);
}

.page-faq .faq-item > summary:hover {
  background: var(--rb-linen);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--rb-eblue);
  outline-offset: -2px;
}

.page-faq .faq-answer {
  padding: 14px 20px 18px 54px;
  border-top: 1px dashed var(--faq-hair);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
  animation: page-faq-in 0.22s var(--ease) both;
}

.page-faq .faq-answer p {
  margin: 0;
}

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

/* ---------- 客服区块 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 16px;
}

.page-faq .faq-support__main {
  padding: 22px 20px;
  border: 2px solid var(--rb-ink);
  background: linear-gradient(150deg, #ffffff, var(--rb-linen));
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-support__side {
  padding: 22px 20px;
  border: 2px solid var(--rb-line);
  background: var(--rb-slate);
  color: var(--rb-paper);
}

.page-faq .faq-support__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--rb-clay);
}

.page-faq .faq-support__side .faq-support__label {
  color: var(--rb-silver);
}

.page-faq .faq-copy {
  display: grid;
  gap: 4px;
  width: 100%;
  text-align: left;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.page-faq .faq-copy .copy-line__key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--rb-silver);
}

.page-faq .faq-copy .copy-line__val {
  font-size: clamp(15px, 2.6vw, 18px);
  font-weight: 700;
  color: var(--rb-eblue);
  word-break: break-all;
}

.page-faq .faq-copy .copy-line__hint {
  font-size: 12px;
  color: var(--rb-silver);
  font-family: var(--font-mono);
}

.page-faq .faq-copy:focus-visible {
  outline: 2px solid var(--rb-eblue);
  outline-offset: 4px;
}

.page-faq .faq-support__text {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-support__list li {
  display: grid;
  gap: 6px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.86);
}

.page-faq .faq-support__list .tag {
  justify-self: start;
}

/* ---------- 收束条 ---------- */
.page-faq .faq-closing {
  display: grid;
  gap: 16px;
  padding: 24px 20px;
  border: 2px solid var(--rb-ink);
  border-left-width: 8px;
  border-left-color: var(--rb-red);
  background: var(--rb-linen);
  transform: skewY(-1.2deg);
}

.page-faq .faq-closing > * {
  transform: skewY(1.2deg);
}

.page-faq .faq-closing__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rb-ink);
  font-weight: 600;
}

.page-faq .faq-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 通用补充 ---------- */
.page-faq .faq-more {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-hair);
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-more a {
  color: var(--rb-eblue);
  text-decoration: none;
  border-bottom: 1px solid var(--rb-eblue);
}

.page-faq .faq-more a:hover,
.page-faq .faq-more a:focus-visible {
  color: var(--rb-red);
  border-bottom-color: var(--rb-red);
}

.page-faq a:focus-visible {
  outline: 2px solid var(--rb-eblue);
  outline-offset: 2px;
}

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

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-faq .faq-closing {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 62px 0 84px;
  }

  .page-faq .faq-sec__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px 20px;
  }

  .page-faq .faq-sec__no {
    font-size: 42px;
  }

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

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding: 56px 0 96px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    padding: 18px 0 20px 18px;
  }

  .page-faq .faq-body {
    gap: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item > summary,
  .page-faq .faq-route,
  .page-faq .faq-rail__routes a {
    transition: none;
  }

  .page-faq .faq-answer {
    animation: none;
  }
}