.page-faq {
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--blue-900);
  color: var(--snow);
  padding: calc(var(--header-h) + clamp(24px, 5vw, 44px)) 0 clamp(56px, 8vw, 88px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, rgba(199, 213, 222, 0.07) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(-45deg, rgba(199, 213, 222, 0.07) 0 1px, transparent 1px 26px);
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-faq .faq-crumb {
  font-size: 0.8rem;
  color: rgba(245, 248, 250, 0.7);
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .faq-crumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-crumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--coral-500);
}

.page-faq .faq-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 248, 250, 0.35);
}

.page-faq .faq-crumb a:hover {
  color: var(--coral-200);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 7.4vw, 3.7rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 15em;
}

.page-faq .faq-hero-lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(0.98rem, 2.5vw, 1.08rem);
  line-height: 1.85;
  color: rgba(245, 248, 250, 0.82);
}

.page-faq .faq-jump {
  border-top: 1px solid rgba(199, 213, 222, 0.28);
}

.page-faq .faq-jump-title {
  margin: 0;
  padding: 14px 0 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--coral-200);
}

.page-faq .faq-jump a {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(199, 213, 222, 0.28);
  text-decoration: none;
  color: var(--snow);
  font-size: 0.94rem;
  line-height: 1.55;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover {
  color: var(--coral-500);
  padding-left: 6px;
}

.page-faq .faq-jump a .mono {
  font-size: 0.8rem;
  color: var(--coral-500);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding: clamp(46px, 8vw, 92px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero + .faq-block {
  border-top: 0;
}

.page-faq .faq-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--red-600);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--coral-500);
  flex: 0 0 auto;
}

.page-faq .faq-kicker .mono {
  color: var(--coral-500);
}

.page-faq h2 {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-faq .faq-head {
  max-width: 50em;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-deck {
  margin: 0;
  color: var(--slate);
  font-size: 0.98rem;
  line-height: 1.85;
  max-width: 38em;
}

/* ---------- 阅读起点 ---------- */
.page-faq .faq-choose-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-faq .faq-choose-lead p {
  margin: 0 0 14px;
  color: var(--slate);
  font-size: 0.97rem;
  line-height: 1.85;
  max-width: 36em;
}

.page-faq .faq-choose-lead p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-choose-cards {
  display: grid;
  gap: 20px;
}

.page-faq .faq-pick {
  background: #ffffff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue-400);
  padding: clamp(20px, 3vw, 28px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-pick:hover {
  transform: translateY(-2px);
  border-color: var(--coral-500);
}

.page-faq .faq-pick--shift {
  border-top-color: var(--coral-500);
}

.page-faq .faq-pick-tag {
  margin: 0 0 10px;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--coral-500);
}

.page-faq .faq-pick h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  font-weight: 900;
  line-height: 1.35;
}

.page-faq .faq-pick p {
  margin: 0 0 16px;
  color: var(--slate);
  font-size: 0.93rem;
  line-height: 1.75;
}

.page-faq .faq-pick-order {
  list-style: none;
  margin: 0 0 18px;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 7px;
}

.page-faq .faq-pick-order li {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  font-size: 0.9rem;
  color: var(--ink);
}

.page-faq .faq-pick-order .mono {
  font-size: 0.78rem;
  color: var(--coral-500);
}

.page-faq .faq-link {
  display: inline-block;
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--blue-700);
  text-decoration: none;
  border-bottom: 2px solid var(--coral-500);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-link:hover {
  color: var(--coral-500);
}

/* ---------- 四步流程条 ---------- */
.page-faq .faq-flow {
  background: var(--blue-700);
  color: var(--snow);
  padding: clamp(30px, 5vw, 52px) 0;
  border-top: 1px solid rgba(199, 213, 222, 0.25);
  border-bottom: 1px solid rgba(199, 213, 222, 0.25);
}

.page-faq .faq-flow-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-flow-title {
  margin: 0 0 18px;
  font-size: clamp(1.22rem, 3.4vw, 1.65rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--snow);
}

.page-faq .faq-flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  max-width: 100%;
  overflow-x: auto;
  border-top: 1px solid rgba(199, 213, 222, 0.3);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-flow-list li {
  flex: 0 0 auto;
  min-width: 168px;
  scroll-snap-align: start;
  border-bottom: 1px solid rgba(199, 213, 222, 0.3);
}

.page-faq .faq-flow-list a {
  display: grid;
  gap: 5px;
  padding: 15px 16px;
  text-decoration: none;
  color: var(--snow);
  border-left: 1px solid rgba(199, 213, 222, 0.3);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-flow-list a:hover {
  background: rgba(255, 106, 69, 0.14);
  color: var(--coral-200);
}

.page-faq .faq-flow-list .mono {
  font-size: 0.76rem;
  color: var(--coral-500);
}

.page-faq .faq-flow-list strong {
  font-size: 0.98rem;
  font-weight: 700;
}

.page-faq .faq-flow-list em {
  font-style: normal;
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(245, 248, 250, 0.68);
}

.page-faq .faq-flow-hint {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: rgba(245, 248, 250, 0.66);
}

.page-faq .faq-flow-figure {
  margin: 0;
}

.page-faq .faq-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(199, 213, 222, 0.3);
}

/* ---------- 步骤与双栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  gap: 8px 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-step-num {
  font-size: 0.84rem;
  color: var(--coral-500);
  padding-top: 0.35em;
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--slate);
  max-width: 40em;
}

.page-faq .faq-mini {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--red-600);
  border: 1px solid var(--line);
  padding: 2px 7px;
}

.page-faq .faq-figure {
  margin: 0;
  background: #ffffff;
  border: 1px solid var(--line);
}

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

.page-faq .faq-figure .media-caption {
  padding: 12px 14px;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--slate);
  border-top: 1px solid var(--line);
}

.page-faq .faq-note {
  background: var(--ice);
  border-left: 3px solid var(--coral-500);
  padding: 18px 20px;
  margin-top: 26px;
}

.page-faq .faq-note h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-900);
}

.page-faq .faq-note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--blue-700);
}

.page-faq .faq-note p + p {
  margin-top: 8px;
}

.page-faq .faq-aside-box {
  background: #ffffff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--red-600);
  padding: clamp(20px, 3vw, 26px);
}

.page-faq .faq-aside-box h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.4;
}

.page-faq .faq-check {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-check li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 10px;
  border: 1px solid var(--coral-500);
}

.page-faq .faq-aside-note {
  margin: 0 0 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 阅读与加载 ---------- */
.page-faq .faq-trouble-grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-trouble {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--line);
  padding: 24px 22px 20px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-trouble:hover {
  transform: translateY(-2px);
  border-color: var(--coral-500);
}

.page-faq .faq-trouble::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 30px;
  height: 3px;
  background: var(--red-600);
}

.page-faq .faq-trouble h3 {
  margin: 4px 0 8px;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.45;
}

.page-faq .faq-trouble p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa-wrap {
  border-top: 1px solid var(--blue-900);
}

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

.page-faq .faq-q summary {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .faq-q summary::before {
  content: "";
  width: 14px;
  height: 3px;
  margin-top: 0.72em;
  background: var(--line);
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-q summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.6;
  text-align: right;
  color: var(--coral-500);
}

.page-faq .faq-q summary:hover::before {
  background: var(--coral-500);
}

.page-faq .faq-q[open] summary::before {
  background: var(--coral-500);
}

.page-faq .faq-q[open] summary::after {
  content: "−";
}

.page-faq .faq-q[open] .faq-a {
  animation: faq-drop 180ms var(--ease);
}

.page-faq .faq-a {
  padding: 0 0 20px 26px;
  color: var(--slate);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 44em;
}

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

/* ---------- 结尾 ---------- */
.page-faq .faq-cta {
  background: var(--blue-900);
  color: var(--snow);
  padding: clamp(52px, 8vw, 88px) 0 clamp(44px, 7vw, 72px);
  clip-path: polygon(0 20px, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-cta-inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 4vw, 2.05rem);
  color: var(--snow);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 36em;
  font-size: 0.96rem;
  line-height: 1.85;
  color: rgba(245, 248, 250, 0.8);
}

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

.page-faq .faq-cta-actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  font-weight: 700;
  text-decoration: none;
}

.page-faq .faq-cta-actions .btn-solid {
  background: var(--coral-500);
  color: var(--blue-900);
  border: 1px solid var(--coral-500);
}

.page-faq .faq-cta-actions .btn-outline {
  background: transparent;
  color: var(--coral-200);
  border: 1px solid var(--coral-500);
}

.page-faq .faq-cta-actions .btn-solid:hover,
.page-faq .faq-cta-actions .btn-outline:hover {
  background: var(--coral-200);
  color: var(--blue-900);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-pick--shift {
    margin-top: 34px;
    margin-left: clamp(0px, 4vw, 44px);
  }

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

  .page-faq .faq-a {
    padding-left: 26px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-faq .faq-choose-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-faq .faq-flow-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-faq .faq-cta-inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .faq-a {
    padding-left: max(26px, 18%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pick,
  .page-faq .faq-trouble,
  .page-faq .faq-jump a,
  .page-faq .faq-flow-list a,
  .page-faq .faq-q summary::before {
    transition: none;
  }

  .page-faq .faq-pick:hover,
  .page-faq .faq-trouble:hover {
    transform: none;
  }

  .page-faq .faq-q[open] .faq-a {
    animation: none;
  }
}