.page-faq {
  --faq-card-bg: #fff;
  --faq-border: rgba(7, 16, 24, .14);
  --faq-border-strong: rgba(7, 16, 24, .3);
  --faq-sticky-top: 6rem;
  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--c-deep);
  color: var(--c-paper);
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(2.75rem, 6vw, 5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 47%;
  right: -12%;
  bottom: -34%;
  height: 78%;
  background: linear-gradient(118deg, rgba(185, 234, 242, 0) 0%, rgba(185, 234, 242, .12) 46%, rgba(183, 255, 60, .11) 100%);
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero > .page-shell {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--c-mist);
}

.page-faq .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: .45rem;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: rgba(185, 234, 242, .35);
}

.page-faq .breadcrumb__link {
  color: var(--c-ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-faq .breadcrumb__item[aria-current="page"] {
  color: var(--c-ice);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-hero__kicker {
  display: inline-block;
  margin: 0 0 1rem;
  padding-bottom: .35rem;
  font-size: .74rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-lime);
  border-bottom: 1px solid rgba(183, 255, 60, .45);
}

.page-faq h1 {
  margin: 0 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 1.3rem + 4.4vw, 4rem);
  line-height: 1.03;
  letter-spacing: -.012em;
  color: var(--c-paper);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  max-width: 46ch;
  margin: 0 0 1.6rem;
  font-size: var(--step-0);
  line-height: 1.78;
  color: rgba(246, 243, 234, .82);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-faq .faq-hero__figure .figure__media {
  border: 1px solid var(--line-light);
  background: var(--c-night);
  overflow: hidden;
}

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

.page-faq .faq-hero__figure .figure__caption {
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--c-mist);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  background: var(--c-paper);
  color: var(--c-ink);
  padding-block: clamp(2.25rem, 5vw, 4.5rem);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

/* 目录 */
.page-faq .faq-toc {
  align-self: start;
  padding: 1.15rem 1.15rem 1.25rem;
  background: rgba(255, 255, 255, .58);
  border: 1px solid var(--faq-border);
  box-shadow: 0 1px 0 rgba(7, 16, 24, .04);
}

.page-faq .faq-toc__label {
  margin: 0 0 .85rem;
  padding-bottom: .65rem;
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-mist);
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-toc__list {
  display: grid;
  gap: .1rem;
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc__link {
  display: grid;
  grid-template-columns: 1.9rem 1fr;
  gap: .35rem;
  align-items: baseline;
  padding: .5rem .35rem .5rem 0;
  font-size: .92rem;
  line-height: 1.45;
  color: var(--c-ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: .55rem;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-toc__link .mono {
  font-size: .76rem;
  color: var(--c-mist);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--c-ink);
  border-left-color: var(--c-lime);
  background: rgba(183, 255, 60, .14);
}

.page-faq .faq-toc__link:hover .mono,
.page-faq .faq-toc__link:focus-visible .mono {
  color: var(--c-ink);
}

.page-faq .faq-toc__cta {
  display: block;
  width: 100%;
  text-align: center;
}

/* 问答流 */
.page-faq .faq-sec {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  scroll-margin-top: var(--faq-sticky-top);
}

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

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .35rem 1rem;
  align-items: start;
  padding-bottom: .85rem;
  margin-bottom: 1.35rem;
  border-bottom: 2px solid var(--c-ink);
}

.page-faq .faq-sec__index {
  font-size: clamp(1.7rem, 1.1rem + 2vw, 2.5rem);
  font-weight: 700;
  line-height: .95;
  color: var(--c-wine);
}

.page-faq .faq-sec__title {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 1.05rem + 1.2vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-faq .faq-sec__kicker {
  margin: 0;
  font-size: .68rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-faq .faq-sec__intro {
  margin: 0 0 1.35rem;
  max-width: 40ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: #33424e;
}

/* 折叠问答 */
.page-faq .qa {
  margin-bottom: .7rem;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--faq-border-strong);
}

.page-faq .qa[open] {
  border-color: var(--c-ink);
  box-shadow: 4px 4px 0 -1px rgba(185, 234, 242, .75);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 1.9rem 1fr auto;
  gap: .5rem;
  align-items: start;
  padding: .95rem 1rem;
  list-style: none;
  cursor: pointer;
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-ink);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover {
  background: rgba(185, 234, 242, .16);
}

.page-faq .qa__num {
  font-size: .78rem;
  font-weight: 500;
  color: var(--c-mist);
  padding-top: .28em;
}

.page-faq .qa__text {
  text-wrap: pretty;
}

.page-faq .qa__sign {
  position: relative;
  width: 13px;
  height: 13px;
  margin-top: .5em;
  color: var(--c-wine);
  flex: none;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 13px;
  height: 2px;
  background: currentColor;
  transform: translateY(-50%);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .qa[open] .qa__sign::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .qa[open] .qa__sign {
  color: var(--c-lime);
}

.page-faq .qa__body {
  padding: 0 1rem 1.2rem;
  font-size: .97rem;
  line-height: 1.82;
  color: #2b3943;
  max-width: 60ch;
}

.page-faq .qa__body p {
  margin: 0 0 .85rem;
}

.page-faq .qa__body p:last-of-type {
  margin-bottom: .9rem;
}

.page-faq .qa__next {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-lime);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa__next::after {
  content: "→";
  font-family: var(--font-body);
}

.page-faq .qa__next:hover,
.page-faq .qa__next:focus-visible {
  color: var(--c-wine);
  border-bottom-color: var(--c-wine);
}

/* 速查卡 */
.page-faq .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
}

.page-faq .quick-card {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: 1rem 1.05rem 1.1rem;
  background: rgba(255, 255, 255, .62);
  border: 1px solid var(--faq-border);
  text-decoration: none;
  color: var(--c-ink);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  transform: translateY(-3px);
  background: var(--faq-card-bg);
  border-color: var(--c-ice);
  box-shadow: 0 10px 20px -14px rgba(6, 26, 43, .55);
}

.page-faq .quick-card__tag {
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-wine);
}

.page-faq .quick-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
}

.page-faq .quick-card__desc {
  font-size: .86rem;
  line-height: 1.65;
  color: #4a5a67;
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  background: var(--c-indigo);
  color: var(--c-paper);
  padding-block: clamp(2.5rem, 6vw, 4.75rem);
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-faq .faq-contact__kicker {
  margin: 0 0 .9rem;
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.page-faq .faq-contact h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 1.2rem + 2.4vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-faq .faq-contact__lead {
  max-width: 38ch;
  margin: 0 0 1.5rem;
  font-size: var(--step-0);
  line-height: 1.78;
  color: rgba(246, 243, 234, .8);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.page-faq .faq-contact__figure {
  margin: 0 0 1.25rem;
}

.page-faq .faq-contact__figure .figure__media {
  border: 1px solid var(--line-light);
  background: rgba(6, 26, 43, .55);
  overflow: hidden;
}

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

.page-faq .faq-contact__list {
  display: grid;
  gap: .1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-contact__item {
  display: grid;
  grid-template-columns: 3.6rem 1fr;
  gap: .6rem;
  align-items: baseline;
  padding: .75rem 0;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-contact__label {
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-faq .faq-contact__value {
  font-size: .95rem;
  line-height: 1.6;
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  word-break: break-word;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-contact__value:hover,
.page-faq .faq-contact__value:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-faq .faq-contact__value--plain:hover,
.page-faq .faq-contact__value--plain:focus-visible {
  color: var(--c-paper);
  border-bottom-color: transparent;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(2rem, 4.5vw, 4rem);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: var(--faq-sticky-top);
  }
}

@media (min-width: 1200px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 460px) {
  .page-faq .qa__q {
    grid-template-columns: 1.5rem 1fr auto;
    padding: .85rem .8rem;
    font-size: .98rem;
  }

  .page-faq .qa__body {
    padding: 0 .8rem 1.1rem;
  }

  .page-faq .faq-contact__item {
    grid-template-columns: 1fr;
    gap: .2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .quick-card,
  .page-faq .faq-toc__link,
  .page-faq .qa__next,
  .page-faq .breadcrumb__link {
    transition: none;
  }

  .page-faq .quick-card:hover,
  .page-faq .quick-card:focus-visible {
    transform: none;
  }
}

@media print {
  .page-faq .faq-hero {
    background: #fff;
    color: #000;
    border-bottom: 2px solid #000;
  }

  .page-faq h1,
  .page-faq .faq-hero__lead,
  .page-faq .faq-contact h2,
  .page-faq .faq-contact__lead {
    color: #000;
  }

  .page-faq .faq-toc,
  .page-faq .faq-hero__figure,
  .page-faq .faq-contact__actions,
  .page-faq .faq-contact__figure {
    display: none;
  }

  .page-faq .faq-layout {
    display: block;
  }

  .page-faq .qa {
    border-color: #999;
    box-shadow: none;
  }

  .page-faq .qa,
  .page-faq .qa__body {
    break-inside: avoid;
  }
}