.page-faq {
  --faq-rule: rgba(36, 31, 29, .14);
  --faq-rule-soft: rgba(36, 31, 29, .07);
  --faq-card: #FFFCF5;
  --faq-gap: clamp(20px, 3vw, 36px);
  background: var(--warm-white);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  overflow-x: hidden;
}

.page-faq section[id] {
  scroll-margin-top: calc(var(--cmdbar-h) + 24px);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-serif);
  color: var(--ink);
  margin: 0;
}

.page-faq h1 {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: -.01em;
  font-weight: 800;
  margin-top: 14px;
}

.page-faq h2 {
  font-size: var(--fs-section);
  line-height: 1.25;
  font-weight: 600;
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 57, 43, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq a:hover {
  color: var(--cinnabar-deep);
  border-bottom-color: var(--cinnabar-deep);
}

.page-faq .faq-crumb-bar {
  padding-top: clamp(14px, 2vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 3vw, 36px) 0 clamp(44px, 6vw, 88px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turquoise);
  padding-left: 14px;
  border-left: 3px solid var(--cinnabar);
  line-height: 1.4;
}

.page-faq .faq-hero__lead {
  margin-top: 22px;
  max-width: 34em;
  font-size: var(--fs-lead);
  line-height: 1.7;
  color: rgba(36, 31, 29, .82);
}

.page-faq .faq-jump {
  list-style: none;
  margin: clamp(26px, 3vw, 40px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  background: var(--stone);
  border: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink);
  border-radius: 2px;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-jump a:hover {
  background: var(--cinnabar);
  color: var(--warm-white);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .12em;
  color: var(--cinnabar);
}

.page-faq .faq-jump a:hover .faq-jump__num {
  color: rgba(251, 246, 237, .8);
}

.page-faq .faq-hero__note {
  background: var(--indigo);
  color: var(--warm-white);
  padding: clamp(22px, 3vw, 32px);
  border-radius: 2px;
}

.page-faq .faq-hero__note .note-col__label {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--butter);
  margin-bottom: 14px;
}

.page-faq .faq-hero__noteText {
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(251, 246, 237, .82);
}

.page-faq .faq-facts {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(251, 246, 237, .18);
  display: grid;
  gap: 14px;
}

.page-faq .faq-facts__row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-facts dt {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--butter);
  min-width: 2.2em;
}

.page-faq .faq-facts dd {
  margin: 0;
  font-size: var(--fs-small);
  color: rgba(251, 246, 237, .78);
}

/* ---------- 步骤轨道 ---------- */
.page-faq .faq-start__grid {
  align-items: start;
}

.page-faq .section-head {
  margin-bottom: clamp(26px, 3vw, 40px);
}

.page-faq .section-head__num {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cinnabar);
  margin-bottom: 10px;
}

.page-faq .section-head__title {
  max-width: 18em;
}

.page-faq .section-head__note {
  margin-top: 12px;
  max-width: 36em;
  font-size: var(--fs-small);
  color: rgba(36, 31, 29, .66);
  line-height: 1.8;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: clamp(24px, 3vw, 34px);
}

.page-faq .faq-steps__rail {
  position: absolute;
  left: 17px;
  top: 10px;
  width: 2px;
  height: calc(100% - 20px);
  display: block;
  pointer-events: none;
}

.page-faq .faq-step {
  position: relative;
  padding-left: 60px;
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--stone);
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .08em;
  border-radius: 2px;
  transition: background .42s var(--ease), color .42s var(--ease);
}

.page-faq .faq-step.is-in .faq-step__num {
  background: var(--cinnabar);
  color: var(--warm-white);
}

.page-faq .faq-step__title {
  font-size: 1.15rem;
  line-height: 1.4;
  font-weight: 600;
  margin-bottom: 8px;
}

.page-faq .faq-step__text {
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(36, 31, 29, .74);
  max-width: 34em;
}

.page-faq .faq-start__aside {
  display: grid;
  gap: 16px;
}

.page-faq .faq-frame {
  display: block;
  margin: 0;
  border-radius: 2px;
  overflow: hidden;
  background: var(--stone);
}

.page-faq .faq-frame--four {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-frame--wide {
  aspect-ratio: 12 / 7;
}

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

.page-faq .faq-frame .media-frame__cap {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .06em;
  color: rgba(36, 31, 29, .6);
  padding: 10px 2px 0;
  border-top: 2px solid var(--cinnabar);
  margin-top: 10px;
}

.page-faq .faq-aside-note {
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(36, 31, 29, .62);
  padding-left: 14px;
  border-left: 3px solid var(--turquoise-pale);
}

/* ---------- 升级 ---------- */
.page-faq .faq-upgrade {
  background: var(--stone);
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-faq .faq-upgrade__head {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-faq .faq-upgrade__grid {
  align-items: center;
}

.page-faq .faq-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-points__item {
  padding-left: 16px;
  border-left: 4px solid var(--turquoise);
}

.page-faq .faq-points__title {
  font-size: 1.05rem;
  line-height: 1.45;
  font-weight: 600;
  margin-bottom: 6px;
}

.page-faq .faq-points__text {
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(36, 31, 29, .72);
}

.page-faq .faq-upgrade__media {
  margin-top: clamp(20px, 3vw, 0px);
}

/* ---------- 权益查询 ---------- */
.page-faq .faq-benefit__grid {
  align-items: start;
}

.page-faq .faq-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-faq .faq-flow__item {
  position: relative;
  padding: 16px 18px 16px 62px;
  background: var(--faq-card);
  border-top: 4px solid var(--turquoise-pale);
  border-radius: 2px;
}

.page-faq .faq-flow__num {
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .1em;
  color: var(--turquoise);
}

.page-faq .faq-flow__title {
  font-size: 1.05rem;
  line-height: 1.45;
  font-weight: 600;
  margin-bottom: 6px;
}

.page-faq .faq-flow__text {
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(36, 31, 29, .72);
}

.page-faq .faq-benefit__bandwrap {
  margin-top: clamp(26px, 3vw, 40px);
}

.page-faq .faq-bandwrap__label {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(36, 31, 29, .55);
  margin-bottom: 12px;
}

.page-faq .faq-band {
  display: grid;
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .faq-band__seg {
  padding: 14px 16px 15px;
}

.page-faq .faq-band__name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 4px;
}

.page-faq .faq-band__desc {
  font-size: var(--fs-index);
  line-height: 1.6;
  letter-spacing: .02em;
}

.page-faq .faq-band__seg--base {
  background: var(--stone);
  color: var(--ink);
}

.page-faq .faq-band__seg--peer {
  background: var(--turquoise-pale);
  color: var(--indigo);
}

.page-faq .faq-band__seg--council {
  background: var(--butter);
  color: var(--ink);
}

.page-faq .faq-band__seg--co {
  background: var(--cinnabar);
  color: var(--warm-white);
}

.page-faq .faq-benefit__bandwrap .faq-aside-note {
  margin-top: 14px;
}

.page-faq .faq-tiers {
  margin-top: clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-tier {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-tier__q {
  cursor: pointer;
  list-style: none;
  padding: 16px 40px 16px 0;
  position: relative;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-tier__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cinnabar);
}

.page-faq .faq-tier[open] .faq-tier__q {
  color: var(--cinnabar);
}

.page-faq .faq-tier[open] .faq-tier__q::after {
  content: "–";
}

.page-faq .faq-tier__a {
  padding: 0 40px 18px 0;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(36, 31, 29, .72);
  max-width: 44em;
}

/* ---------- 问答墙 ---------- */
.page-faq .faq-qa {
  background: linear-gradient(180deg, var(--warm-white) 0%, var(--faq-card) 100%);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--glass);
  border: 1px solid var(--faq-rule-soft);
  border-radius: 2px;
  position: sticky;
  top: var(--cmdbar-h);
  z-index: 5;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-faq .filterbar__btn {
  appearance: none;
  border: 1px solid var(--faq-rule);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  letter-spacing: .08em;
  padding: 7px 14px;
  border-radius: 2px;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .filterbar__btn:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.page-faq .filterbar__btn[aria-pressed="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--warm-white);
}

.page-faq .filterbar__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .12em;
  color: rgba(36, 31, 29, .55);
}

.page-faq .faq-wall {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 4px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .16em;
  color: var(--cinnabar);
}

.page-faq .faq-item {
  position: relative;
  padding-left: 16px;
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--turquoise);
  opacity: 0;
  transition: opacity .24s var(--ease);
}

.page-faq .faq-item[open]::before {
  opacity: 1;
}

.page-faq .faq-item__q {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 15px 28px 15px 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--cinnabar);
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--turquoise);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--turquoise);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__a {
  padding: 0 28px 16px 0;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(36, 31, 29, .74);
}

/* ---------- 排查 ---------- */
.page-faq .faq-trouble__head {
  text-align: left;
}

.page-faq .faq-check {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 760px;
}

.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--faq-rule);
}

.page-faq .faq-check__num {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .12em;
  color: var(--cinnabar);
  line-height: 1.9;
}

.page-faq .faq-check__text {
  font-size: var(--fs-small);
  line-height: 1.9;
  color: rgba(36, 31, 29, .78);
}

.page-faq .faq-check__item--last {
  border-bottom: 0;
  background: var(--stone);
  padding: 18px 18px 18px 18px;
  margin-top: 10px;
  border-radius: 2px;
}

.page-faq .faq-check__item--last .faq-check__text {
  color: var(--ink);
}

.page-faq .faq-call {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-call__copy {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 16px;
  background: var(--indigo);
  color: var(--warm-white);
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .04em;
  transition: background .2s var(--ease);
}

.page-faq .faq-call__copy:hover {
  background: var(--cinnabar);
}

.page-faq .faq-call__copy .copybtn__hint {
  font-family: var(--font-sans);
  font-size: var(--fs-index);
  letter-spacing: .1em;
  color: var(--butter);
}

.page-faq .faq-call__copy.is-copied .copybtn__hint {
  color: var(--turquoise-pale);
}

/* ---------- 收束 ---------- */
.page-faq .faq-cta {
  background: var(--indigo);
  color: var(--warm-white);
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-cta__title {
  font-family: var(--font-serif);
  font-size: var(--fs-section);
  line-height: 1.25;
  font-weight: 600;
  color: var(--warm-white);
}

.page-faq .faq-cta__text {
  margin-top: 12px;
  max-width: 34em;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(251, 246, 237, .74);
}

.page-faq .faq-cta__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(251, 246, 237, .16);
}

.page-faq .faq-cta__links a {
  display: block;
  padding: 15px 16px;
  background: var(--indigo);
  color: var(--warm-white);
  border: 0;
  font-size: var(--fs-small);
  letter-spacing: .08em;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-cta__links a:hover {
  background: var(--cinnabar);
  color: var(--warm-white);
}

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(32px, 4vw, 52px) clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-hero__note {
    margin-top: 56px;
  }

  .page-faq .faq-start__grid,
  .page-faq .faq-benefit__grid {
    gap: clamp(32px, 4vw, 60px);
  }

  .page-faq .faq-start__aside {
    padding-top: 24px;
  }

  .page-faq .faq-benefit__bandwrap {
    margin-top: 8px;
  }

  .page-faq .faq-upgrade__grid {
    gap: clamp(32px, 4vw, 60px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}