.page-faq {
  --faq-line-dark: rgba(250, 247, 239, 0.14);
  --faq-line-paper: rgba(12, 35, 24, 0.16);
  --faq-cyan-veil: rgba(61, 242, 192, 0.35);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-faq .breadcrumbs a {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(22px, 4vw, 40px) clamp(44px, 7vw, 88px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-faq .faq-hero .lede {
  max-width: 44ch;
  margin: 22px 0 0;
  color: rgba(250, 247, 239, 0.78);
}

.page-faq .faq-facts {
  margin: 0;
  border-top: 1px solid var(--faq-line-dark);
}

.page-faq .faq-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-line-dark);
}

.page-faq .faq-facts dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-faq .faq-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--white);
  text-align: right;
}

.page-faq .faq-ask-head {
  margin-top: clamp(36px, 6vw, 66px);
  margin-bottom: 18px;
}

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

.page-faq .faq-ask {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  color: var(--white);
  text-decoration: none;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-faq .faq-ask:hover,
.page-faq .faq-ask:focus-visible {
  transform: translateY(-2px);
  border-color: var(--faq-cyan-veil);
  background: #0E3226;
  outline: none;
}

.page-faq .faq-ask:focus-visible {
  box-shadow: 0 0 0 2px rgba(61, 242, 192, 0.55);
}

.page-faq .faq-ask__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-ask__q {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-ask__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

.page-faq .faq-ask__go {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-ask__go::after {
  content: " →";
  display: inline-block;
  transition: transform var(--t-fast) var(--ease);
}

.page-faq .faq-ask:hover .faq-ask__go::after,
.page-faq .faq-ask:focus-visible .faq-ask__go::after {
  transform: translateX(3px);
}

/* ---------- 纸色问答区 ---------- */
.page-faq .faq-qa-zone .eyebrow {
  color: var(--accent-paper);
}

.page-faq .faq-qa-block + .faq-qa-block {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--faq-line-paper);
}

.page-faq .faq-qa {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-q {
  border: 1px solid var(--faq-line-paper);
  border-radius: var(--radius-m);
  background: var(--paper-2);
  overflow: hidden;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-faq .faq-q:hover {
  border-color: rgba(10, 107, 82, 0.4);
}

.page-faq .faq-q[data-open] {
  background: var(--paper);
  border-color: rgba(10, 107, 82, 0.32);
}

.page-faq .faq-q__toggle {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  margin: 0;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  color: var(--on-paper);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-q__toggle:focus-visible {
  outline: 2px solid var(--accent-paper);
  outline-offset: -3px;
  border-radius: var(--radius-m);
}

.page-faq .faq-q__idx {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-paper);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--accent-paper);
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.page-faq .faq-q__mark::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-q__mark::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-q[data-open] .faq-q__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-q__body {
  padding: 0 18px 20px 50px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-paper-soft);
}

.page-faq .faq-q__body p {
  margin: 0 0 10px;
}

.page-faq .faq-q__body p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-rev {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 11px;
  border: 1px solid rgba(255, 154, 46, 0.55);
  border-radius: var(--radius-pill);
  background: rgba(255, 154, 46, 0.16);
  color: #7A4300;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ---------- 核校与反馈 ---------- */
.page-faq .faq-steps__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-faq .faq-steps__media {
  margin: 0;
}

.page-faq .faq-steps__lede {
  max-width: 42ch;
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(250, 247, 239, 0.76);
}

.page-faq .faq-flow {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-flow__item {
  position: relative;
  padding-left: 46px;
}

.page-faq .faq-flow__num {
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-flow__item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 26px;
  bottom: -16px;
  width: 1px;
  background: linear-gradient(to bottom, var(--faq-cyan-veil), rgba(61, 242, 192, 0));
}

.page-faq .faq-flow__item:last-child::before {
  content: none;
}

.page-faq .faq-flow__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-flow__text {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

.page-faq .faq-report {
  margin-top: clamp(26px, 4vw, 40px);
  padding: 18px 20px;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: var(--amber-soft);
}

.page-faq .faq-report__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-report__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(250, 247, 239, 0.86);
}

/* ---------- 邮件与电话 ---------- */
.page-faq .faq-reach__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-faq .faq-reach .eyebrow {
  color: var(--accent-paper);
}

.page-faq .faq-reach__intro .prose {
  margin: 18px 0 0;
  color: var(--on-paper-soft);
}

.page-faq .faq-reach__more {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--on-paper-soft);
}

.page-faq .faq-reach__more a {
  color: var(--accent-paper);
  border-bottom: 1px solid rgba(10, 107, 82, 0.4);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease);
}

.page-faq .faq-reach__more a:hover,
.page-faq .faq-reach__more a:focus-visible {
  border-bottom-color: var(--accent-paper);
}

.page-faq .faq-channel {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px;
  border: 1px solid var(--faq-line-paper);
  border-radius: var(--radius-m);
  background: var(--paper);
}

.page-faq .faq-channel + .faq-channel {
  margin-top: 14px;
}

.page-faq .faq-channel--mail {
  border-top: 3px solid var(--accent-paper);
}

.page-faq .faq-channel--phone {
  border-top: 3px solid var(--amber);
}

.page-faq .faq-channel .plate {
  justify-self: start;
}

.page-faq .faq-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  line-height: 1.5;
  overflow-wrap: anywhere;
  color: var(--on-paper);
}

.page-faq .faq-channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-paper-soft);
}

.page-faq .faq-reach__tip {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(10, 107, 82, 0.35);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--on-paper-soft);
}

/* ---------- 术语速查 ---------- */
.page-faq .faq-terms__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-terms__media {
  margin: 0 0 clamp(26px, 4vw, 42px);
}

.page-faq .faq-terms__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .faq-term {
  padding: 15px 14px 16px;
  border: 1px solid var(--faq-line-dark);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-term:hover {
  transform: translateY(-2px);
  border-color: var(--faq-cyan-veil);
}

.page-faq .faq-term__tag {
  display: block;
  padding-bottom: 7px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-term__name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-faq .faq-term__def {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--moss);
}

.page-faq .faq-term__more {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(250, 247, 239, 0.72);
  transition: max-height var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease), margin-top var(--t-fast) var(--ease);
}

.page-faq .faq-term:hover .faq-term__more {
  max-height: 12em;
  margin-top: 8px;
  opacity: 1;
}

@media (hover: none) {
  .page-faq .faq-term__more {
    max-height: none;
    margin-top: 8px;
    opacity: 1;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-ask-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-faq .faq-terms__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(250px, 0.75fr);
    align-items: end;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-faq .faq-reach__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(36px, 5vw, 68px);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
    gap: clamp(36px, 5vw, 76px);
  }

  .page-faq .faq-steps__media {
    position: sticky;
    top: calc(var(--hdr-min) + 24px);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-ask-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-terms__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-ask,
  .page-faq .faq-ask__go::after,
  .page-faq .faq-term,
  .page-faq .faq-term__more,
  .page-faq .faq-q,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after {
    transition: none;
  }

  .page-faq .faq-ask:hover,
  .page-faq .faq-ask:focus-visible,
  .page-faq .faq-term:hover {
    transform: none;
  }
}
<<<END>>>