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

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 42px) clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--hair-line);
  background-color: var(--paper);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -130px;
  right: -130px;
  width: 260px;
  height: 260px;
  background-color: var(--coral);
  opacity: 0.12;
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.5vw, 40px);
  align-items: center;
  margin-top: clamp(14px, 2vw, 22px);
}

.page-faq .faq-hero__lead h1 {
  margin: 10px 0 0;
  font-size: clamp(27px, 5.2vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--sea);
}

.page-faq .faq-hero__lead .lede {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .faq-hero__facts li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--slate);
}

.page-faq .faq-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 9px;
  height: 1px;
  background-color: var(--gold);
}

.page-faq .faq-hero__art {
  border: 1px solid var(--hair-line);
  background-color: var(--mist);
  line-height: 0;
}

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

/* 路线选择 */
.page-faq .faq-intro {
  max-width: 44em;
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-faq .route-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .route {
  display: grid;
  gap: 6px;
  padding: 16px 16px 18px;
  border: 1px solid var(--hair-gold);
  border-top: 3px solid var(--coral);
  background-color: var(--white);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .route:hover,
.page-faq .route:focus-visible {
  transform: translateY(-3px);
  border-color: var(--coral);
  box-shadow: 0 8px 0 -5px rgba(255, 107, 74, 0.35);
}

.page-faq .route__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--coral-deep);
}

.page-faq .route__title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--sea);
}

.page-faq .route__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .route__go {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--coral-deep);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-main > h2 {
  margin: 0 0 clamp(16px, 2.5vw, 24px);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--sea);
}

.page-faq .qa-group {
  margin-bottom: clamp(26px, 4vw, 38px);
  scroll-margin-top: 92px;
}

.page-faq .qa-group:last-child {
  margin-bottom: 0;
}

.page-faq .qa-group__head {
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
}

.page-faq .qa-group__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--coral-deep);
}

.page-faq .qa-group__title {
  margin: 5px 0 0;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--sea);
}

.page-faq .qa {
  border-top: 1px solid var(--hair-line);
  background-color: var(--white);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--hair-line);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--sea);
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--coral-deep);
}

.page-faq .qa__coord {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  transition: color 0.18s var(--ease);
}

.page-faq .qa[open] .qa__coord {
  color: var(--coral-deep);
}

.page-faq .qa__qtext {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  align-self: center;
  width: 14px;
  height: 14px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background-color: var(--sea);
  transition: transform 0.18s var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
}

.page-faq .qa__a {
  padding: 0 14px 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .qa[open] .qa__a {
  padding-top: 12px;
  border-top: 1px dashed var(--hair-line);
}

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

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

.page-faq .qa__steps {
  counter-reset: stp;
  list-style: none;
  margin: 10px 0 12px;
  padding: 0;
}

.page-faq .qa__steps li {
  counter-increment: stp;
  position: relative;
  padding-left: 28px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .qa__steps li:last-child {
  margin-bottom: 0;
}

.page-faq .qa__steps li::before {
  content: counter(stp, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .qa__checks {
  list-style: none;
  margin: 10px 0 12px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .qa__checks li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .qa__checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 800;
  color: var(--celadon);
}

.page-faq .faq-fig {
  margin: 14px 0 12px;
  border: 1px solid var(--hair-line);
  background-color: var(--mist);
}

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

.page-faq .faq-fig__cap {
  padding: 8px 10px;
  border-top: 1px solid var(--hair-line);
  background-color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  color: var(--slate);
}

/* 速查卡 */
.page-faq .faq-quick {
  counter-reset: qdone;
  padding: 16px;
  border: 1px solid var(--hair-gold);
  background-color: var(--white);
  scroll-margin-top: 92px;
}

.page-faq .faq-quick__head {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair-line);
}

.page-faq .faq-quick__head .mono {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--coral-deep);
}

.page-faq .faq-quick__head h2 {
  margin: 5px 0 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--sea);
}

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

.page-faq .faq-quick__list li {
  position: relative;
  display: flex;
  border-bottom: 1px solid rgba(11, 46, 79, 0.08);
}

.page-faq .faq-quick__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-quick__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-quick__check:checked {
  counter-increment: qdone;
}

.page-faq .faq-quick__list label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
}

.page-faq .faq-quick__list label::before {
  content: "";
  flex: none;
  width: 12px;
  height: 12px;
  margin-top: 3px;
  border: 1px solid var(--gold);
  background-color: var(--white);
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-quick__check:checked + label::before {
  background-color: var(--celadon);
  border-color: var(--celadon);
}

.page-faq .faq-quick__check:focus-visible + label {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-faq .faq-quick__progress {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--hair-line);
  font-size: 12px;
  color: var(--slate);
}

.page-faq .faq-quick__count {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--sea);
}

.page-faq .faq-quick__count::after {
  content: counter(qdone) " / 12";
}

.page-faq .faq-quick__note {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .faq-quick__actions {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.page-faq .faq-quick__actions .btn {
  width: 100%;
  text-align: center;
}

/* 联系支持 */
.page-faq .support-band {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 5vw, 56px);
  background-color: var(--sea);
  color: var(--paper);
}

.page-faq .support-band::before {
  content: "";
  position: absolute;
  bottom: -90px;
  left: -70px;
  width: 200px;
  height: 200px;
  background-color: var(--coral);
  opacity: 0.16;
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .support-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.5vw, 40px);
  align-items: start;
}

.page-faq .support-band .eyebrow {
  color: var(--mist);
}

.page-faq .support-band h2 {
  margin: 8px 0 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.22;
  color: var(--paper);
}

.page-faq .support-note {
  margin: 12px 0 18px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 242, 232, 0.88);
}

.page-faq .support-card {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(200, 164, 93, 0.55);
}

.page-faq .support-card li {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(200, 164, 93, 0.28);
}

.page-faq .support-card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .support-card__value {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* 底部链接 */
.page-faq .faq-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-links__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--hair-line);
  background-color: var(--white);
  color: var(--sea);
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-links__item:hover,
.page-faq .faq-links__item:focus-visible {
  border-color: var(--coral);
  color: var(--coral-deep);
  transform: translateY(-2px);
}

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

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

@media (min-width: 780px) {
  .page-faq .route-map {
    position: relative;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .route-map::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -14px;
    height: 1px;
    background-image: repeating-linear-gradient(to right, var(--hair-gold) 0 6px, transparent 6px 12px);
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 292px;
  }

  .page-faq .faq-quick {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .qa__q {
    padding: 16px 18px;
  }

  .page-faq .qa__a {
    padding: 0 18px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route,
  .page-faq .faq-links__item,
  .page-faq .qa__q,
  .page-faq .qa__coord,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-quick__list label::before {
    transition: none;
  }

  .page-faq .route:hover,
  .page-faq .route:focus-visible,
  .page-faq .faq-links__item:hover,
  .page-faq .faq-links__item:focus-visible {
    transform: none;
  }
}