.page-faq {
  --faq-gap: clamp(1rem, 3vw, 1.6rem);
  position: relative;
  color: var(--bone);
  font-family: var(--font-body);
  background:
    radial-gradient(130% 90% at 90% -16%, rgba(200, 255, 61, .10), transparent 56%),
    radial-gradient(100% 72% at -4% 0%, rgba(14, 43, 34, .95) 0%, transparent 58%),
    var(--ink);
  overflow-x: clip;
}

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

.page-faq .breadcrumbs {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 1.6rem) var(--gutter) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(.9rem, 2.4vw, 1.6rem) var(--gutter) clamp(1.8rem, 4.5vw, 3.2rem);
}

.page-faq .faq-ticks {
  display: block;
  height: 9px;
  margin-bottom: clamp(.8rem, 2vw, 1.2rem);
  background-image: repeating-linear-gradient(90deg, rgba(244, 240, 230, .26) 0 1px, transparent 1px 14px);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 55%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 0%, #000 55%, transparent 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.4rem);
  align-items: end;
}

.page-faq .faq-h1 {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.35rem, 7.4vw, 5rem);
  line-height: .98;
  letter-spacing: -.015em;
  text-wrap: balance;
}

.page-faq .faq-h1__mark {
  color: var(--lime);
}

.page-faq .faq-lede {
  max-width: 48ch;
  margin: clamp(.9rem, 2.4vw, 1.3rem) 0 0;
  font-size: clamp(.95rem, 1.7vw, 1.06rem);
  line-height: 1.85;
  color: rgba(244, 240, 230, .74);
}

.page-faq .faq-duty {
  border: 1px solid var(--line);
  border-radius: var(--rad-card);
  padding: clamp(1rem, 2.6vw, 1.35rem);
  background: linear-gradient(155deg, rgba(14, 43, 34, .92), rgba(4, 17, 12, .58));
  box-shadow: var(--shadow);
}

.page-faq .faq-duty__head {
  margin: 0 0 .5rem;
  font-family: var(--font-num);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--moss);
}

.page-faq .faq-duty__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .68rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-duty__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-duty__k {
  font-size: .8rem;
  color: rgba(244, 240, 230, .6);
}

.page-faq .faq-duty__v {
  font-family: var(--font-num);
  font-size: .88rem;
  color: var(--gold);
  text-align: right;
}

/* ---------- 主体：索引 + 答案 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.8rem);
  max-width: var(--shell);
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(3rem, 8vw, 6rem);
}

.page-faq .faq-rail {
  border-top: 1px solid var(--line);
  padding-top: .9rem;
}

.page-faq .faq-rail__title {
  margin: 0 0 .5rem;
  font-family: var(--font-num);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--moss);
}

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .5rem .45rem .5rem .55rem;
  border-left: 2px solid transparent;
  color: rgba(244, 240, 230, .72);
  font-size: .88rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-rail__link:hover {
  color: var(--bone);
  background: rgba(244, 240, 230, .04);
}

.page-faq .faq-rail__link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, .07);
}

.page-faq .faq-rail__n {
  flex: none;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--moss);
}

.page-faq .faq-rail__link[aria-current="true"] .faq-rail__n {
  color: var(--gold);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding-block: clamp(1.7rem, 4.4vw, 2.9rem);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-sec__kicker {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--lime);
}

.page-faq .faq-sec__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--lime);
}

.page-faq .faq-sec__h2 {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  text-wrap: balance;
}

.page-faq .faq-sec__lede {
  max-width: 60ch;
  margin: clamp(.6rem, 1.8vw, .9rem) 0 0;
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(244, 240, 230, .7);
}

.page-faq .faq-sec__note {
  margin: .9rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 步骤切换 ---------- */
.page-faq .faq-switch {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: clamp(1rem, 2.6vw, 1.5rem);
}

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

.page-faq .faq-switch__tab {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: .35rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: rgba(244, 240, 230, .8);
  font-size: .85rem;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-switch__tab:hover {
  border-color: var(--line-lime);
  color: var(--bone);
}

.page-faq #faq-path-mobile:focus-visible + .faq-switch__tab,
.page-faq #faq-path-tv:focus-visible + .faq-switch__tab {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq #faq-path-mobile:checked + .faq-switch__tab,
.page-faq #faq-path-tv:checked + .faq-switch__tab {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--lime-ink);
  font-weight: 600;
}

.page-faq .faq-switch__panel {
  display: none;
  flex: 0 0 100%;
}

.page-faq #faq-path-mobile:checked ~ .faq-switch__panel--mobile,
.page-faq #faq-path-tv:checked ~ .faq-switch__panel--tv {
  display: block;
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: .85rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .75rem;
  padding-bottom: .85rem;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-steps__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-steps__n {
  padding-top: .15rem;
  font-family: var(--font-num);
  font-size: .82rem;
  color: var(--gold);
}

.page-faq .faq-steps__t {
  margin: 0 0 .2rem;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-steps__d {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(244, 240, 230, .7);
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-sec__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 3.4vw, 2rem);
  margin-top: clamp(1rem, 2.6vw, 1.6rem);
  align-items: start;
}

.page-faq .faq-sec__split-main {
  min-width: 0;
}

.page-faq .faq-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--rad-card);
  overflow: hidden;
  background: var(--ink-2);
}

.page-faq .faq-figure__ph {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, rgba(200, 255, 61, .07) 0 1px, transparent 1px 16px),
    linear-gradient(160deg, rgba(14, 43, 34, .95), rgba(4, 17, 12, .9));
}

.page-faq .faq-figure img {
  position: relative;
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure--portrait img {
  aspect-ratio: 3 / 4;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 16 / 9;
}

.page-faq .faq-figure__cap {
  position: relative;
  padding: .7rem .9rem;
  font-size: .78rem;
  line-height: 1.65;
  color: rgba(244, 240, 230, .62);
  border-top: 1px solid var(--line-soft);
  background: rgba(4, 17, 12, .8);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  margin-top: clamp(1rem, 2.6vw, 1.4rem);
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem .1rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  margin-top: .1rem;
  font-family: var(--font-num);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--lime);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-item summary:hover {
  color: var(--lime);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-faq .faq-item__a {
  padding: 0 .1rem 1.1rem;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(244, 240, 230, .76);
}

.page-faq .faq-item__a p {
  margin: 0 0 .55rem;
}

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

.page-faq .faq-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
  padding-bottom: 1px;
}

.page-faq .faq-link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 时间窗 ---------- */
.page-faq .faq-clock {
  display: grid;
  gap: .7rem;
  margin-top: clamp(1rem, 2.6vw, 1.4rem);
}

.page-faq .faq-clock__cell {
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--rad-card);
  background: linear-gradient(150deg, rgba(14, 43, 34, .88), rgba(4, 17, 12, .52));
}

.page-faq .faq-clock__n {
  display: block;
  font-family: var(--font-num);
  font-size: 1.1rem;
  color: var(--gold);
}

.page-faq .faq-clock__l {
  display: block;
  margin-top: .35rem;
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(244, 240, 230, .66);
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: .7rem;
  margin-top: clamp(1.1rem, 3vw, 1.5rem);
}

.page-faq .faq-contact .copy-chip {
  width: 100%;
}

.page-faq .faq-contact__card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .3rem;
  padding: .9rem 1.1rem;
  border: 1px dashed var(--line-lime);
  border-radius: var(--rad-card);
  color: var(--bone);
  text-decoration: none;
  background: rgba(200, 255, 61, .05);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-contact__card:hover {
  background: rgba(200, 255, 61, .1);
  border-color: var(--lime);
}

.page-faq .faq-contact__card:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-faq .faq-contact__k {
  font-family: var(--font-num);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-faq .faq-contact__t {
  font-size: .92rem;
  line-height: 1.6;
}

.page-faq .copy-status {
  margin: .6rem 0 0;
  font-size: .8rem;
  color: var(--lime);
}

/* ---------- 继续浏览 ---------- */
.page-faq .faq-next {
  display: grid;
  gap: .7rem;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-faq .faq-next__a {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--rad-card);
  color: var(--bone);
  text-decoration: none;
  background: rgba(244, 240, 230, .03);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-next__a:hover {
  border-color: var(--line-lime);
  background: rgba(200, 255, 61, .06);
  transform: translateY(-2px);
}

.page-faq .faq-next__a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-faq .faq-next__k {
  font-family: var(--font-num);
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--moss);
}

.page-faq .faq-next__t {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: .01em;
}

.page-faq .faq-next__d {
  font-size: .85rem;
  line-height: 1.7;
  color: rgba(244, 240, 230, .62);
}

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

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

  .page-faq .faq-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(190px, 244px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--hdr-h) + 1.2rem);
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 1.1rem;
  }

  .page-faq .faq-sec__split {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  }

  .page-faq .faq-sec__split--flip {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-sec__split {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 330px);
  }
}

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

  .page-faq .faq-next__a:hover {
    transform: none;
  }
}