.page-faq {
  --faq-ink-soft: #3B4149;
  --faq-line-gold: rgba(242, 193, 78, .26);
  --faq-radius: 3px;
  background: var(--rb-paper);
  color: var(--rb-black);
  font-family: var(--rb-font-sans);
}

/* ===== 首屏 ===== */
.page-faq .page-faq__hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--rb-black);
  color: var(--rb-cream);
  padding: calc(var(--rb-header-h) + 40px) 0 clamp(42px, 7vw, 78px);
}

.page-faq .page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(242, 193, 78, .085) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 193, 78, .085) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, 0) 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, 0) 88%);
  pointer-events: none;
}

.page-faq .page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg,
    var(--rb-red) 0 34%,
    var(--rb-gold) 34% 54%,
    var(--rb-bronze) 54% 76%,
    rgba(242, 193, 78, .18) 76% 100%);
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--rb-gray);
}

.page-faq .faq-crumb a {
  color: var(--rb-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--rb-ease);
}

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

.page-faq .page-faq__hero .rb-eyebrow {
  color: var(--rb-gold);
}

.page-faq .faq-hero__title {
  max-width: 780px;
  margin: 0 0 18px;
  font-size: clamp(30px, 7.4vw, 62px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lead {
  max-width: 640px;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(246, 242, 234, .82);
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick a {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px solid var(--faq-line-gold);
  border-radius: 2px;
  font-family: var(--rb-font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--rb-cream);
  text-decoration: none;
  transition: background-color .18s var(--rb-ease), border-color .18s var(--rb-ease), color .18s var(--rb-ease);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  background: var(--rb-red);
  border-color: var(--rb-red);
  color: #fff;
}

.page-faq .faq-hero__meta {
  margin: 24px 0 0;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--rb-gray);
}

/* ===== 区块骨架 ===== */
.page-faq .faq-section {
  padding: clamp(52px, 8vw, 96px) 0;
}

.page-faq .faq-section--cream {
  background: var(--rb-cream);
}

.page-faq .faq-section--ink {
  background: var(--rb-ink);
  color: var(--rb-cream);
}

.page-faq .faq-head {
  max-width: 720px;
  margin-bottom: clamp(28px, 5vw, 46px);
}

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

.page-faq .faq-section--ink .rb-eyebrow {
  color: var(--rb-gold);
}

.page-faq .rb-section-title {
  margin: 0 0 12px;
  font-size: clamp(23px, 4.2vw, 38px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--rb-black);
}

.page-faq .faq-section--ink .rb-section-title {
  color: var(--rb-cream);
}

.page-faq .rb-section-note {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-section--ink .rb-section-note {
  color: rgba(246, 242, 234, .78);
}

/* ===== 三步入口 ===== */
.page-faq .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

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

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding-bottom: 28px;
}

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

.page-faq .faq-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 56px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--rb-red), rgba(224, 27, 36, .08));
}

.page-faq .faq-step__num {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--rb-line-ink);
  border-radius: 2px;
  background: var(--rb-ink);
  color: var(--rb-gold);
  font-family: var(--rb-font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-faq .faq-step__title {
  margin: 8px 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--rb-black);
}

.page-faq .faq-step__tag {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 7px;
  border: 1px solid rgba(224, 27, 36, .38);
  border-radius: 2px;
  font-family: var(--rb-font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--rb-red);
  vertical-align: middle;
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

/* ===== 图 ===== */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rb-line-ink);
  border-radius: 2px;
  background: var(--rb-paper);
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--rb-gray);
}

/* ===== 分组切换 ===== */
.page-faq .faq-tabs__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 4px 0 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tabs__tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  appearance: none;
  cursor: pointer;
  padding: 11px 18px;
  border: 1px solid var(--rb-line-ink);
  border-radius: 2px;
  background: var(--rb-paper);
  color: var(--rb-ink);
  font-family: var(--rb-font-sans);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: background-color .18s var(--rb-ease), border-color .18s var(--rb-ease), color .18s var(--rb-ease);
}

.page-faq .faq-tabs__tab:hover {
  border-color: var(--rb-bronze);
}

.page-faq .faq-tabs__tab[aria-selected="true"],
.page-faq .faq-tabs__tab.is-active {
  background: var(--rb-red);
  border-color: var(--rb-red);
  color: #fff;
}

.page-faq .faq-panel {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-faq .faq-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
}

/* ===== 问答条目 ===== */
.page-faq .faq-qa {
  min-width: 0;
}

.page-faq .faq-item {
  background: var(--rb-paper);
  border: 1px solid var(--rb-line-ink);
  border-left: 3px solid var(--rb-paper-2);
  border-radius: var(--faq-radius);
  transition: border-color .18s var(--rb-ease), box-shadow .18s var(--rb-ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 12px;
}

.page-faq .faq-item[open] {
  border-left-color: var(--rb-red);
  box-shadow: 0 14px 30px -22px rgba(11, 13, 16, .65);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.62;
  color: var(--rb-ink);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--rb-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--rb-red);
}

.page-faq .faq-item[open] summary::after {
  content: "\2013";
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--rb-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--rb-red);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-gold {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 2px;
  background: var(--rb-gold);
  color: var(--rb-black);
  font-family: var(--rb-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
}

/* ===== 咨询收束 ===== */
.page-faq .faq-consult {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 42px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--faq-line-gold);
  border-radius: var(--faq-radius);
  background:
    linear-gradient(135deg, rgba(224, 27, 36, .14) 0%, rgba(11, 13, 16, 0) 46%),
    var(--rb-black);
}

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

.page-faq .rb-consult__title {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--rb-cream);
}

.page-faq .faq-consult__text {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(246, 242, 234, .78);
}

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

.page-faq .faq-consult__list {
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-faq .faq-consult__list li {
  padding: 14px 0;
  border-top: 1px solid var(--faq-line-gold);
}

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

.page-faq .faq-consult__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--rb-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--rb-gold);
}

.page-faq .faq-consult__v {
  display: block;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rb-cream);
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-faq .faq-related {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--faq-line-gold);
  font-family: var(--rb-font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rb-gray);
}

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

.page-faq .faq-related a:hover,
.page-faq .faq-related a:focus-visible {
  text-decoration: underline;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-faq .faq-head {
    margin-bottom: clamp(32px, 5vw, 50px);
  }

  .page-faq .faq-item summary {
    padding: 18px 22px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 20px 58px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-grid {
    grid-template-columns: 6fr 5fr;
    align-items: start;
  }

  .page-faq .faq-panel__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-consult {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: calc(var(--rb-header-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick a,
  .page-faq .faq-tabs__tab,
  .page-faq .faq-item {
    transition: none;
  }
}