.page-faq {
  --faq-index-w: 264px;
  --faq-answer: rgba(234, 244, 240, 0.84);
  --faq-gap: clamp(28px, 4vw, 56px);
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(47, 243, 200, 0.10), transparent 62%),
    radial-gradient(760px 420px at 4% 34%, rgba(255, 138, 61, 0.06), transparent 65%),
    var(--ink);
  color: var(--paper);
  padding-bottom: clamp(72px, 9vw, 128px);
}

.page-faq .page-shell {
  width: min(var(--shell), 100%);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: 22px;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--grey);
}

.page-faq .breadcrumb-list a {
  color: var(--cyan-soft);
  text-decoration: none;
}

.page-faq .breadcrumb-list a:hover {
  color: var(--cyan);
}

.page-faq .breadcrumb-list [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(34px, 5vw, 64px) 0 clamp(30px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan) 22%, transparent 62%);
  opacity: 0.55;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-hero__lead .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(28px, 4.6vw, var(--step-h1));
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 20em;
}

.page-faq .faq-hero .lead {
  margin: 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--grey);
}

.page-faq .faq-hero .lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 200, 0.4);
}

.page-faq .faq-hero .lead a:hover {
  color: var(--cyan-soft);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.page-faq .faq-stats__item {
  background: linear-gradient(180deg, rgba(18, 48, 42, 0.94), rgba(11, 31, 26, 0.86));
  padding: 16px 14px;
}

.page-faq .faq-stats dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
  margin-bottom: 8px;
}

.page-faq .faq-stats dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(34px, 5vw, 62px);
}

/* ---------- 左侧主题索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 48, 42, 0.9), rgba(11, 31, 26, 0.62));
  padding: 18px 14px 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  padding-left: 12px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 10px 14px;
  border-left: 2px solid transparent;
  border-radius: 8px;
  color: var(--grey);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  background: rgba(47, 243, 200, 0.07);
}

.page-faq .faq-index__link.is-active {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(47, 243, 200, 0.11);
}

.page-faq .faq-index__count {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-index__foot {
  margin: 16px 0 0;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

.page-faq .faq-index__foot a {
  color: var(--orange-soft);
  text-decoration: none;
}

.page-faq .faq-index__foot a:hover {
  color: var(--orange);
}

/* ---------- 分组 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 132px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.page-faq .faq-group__num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 6px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 3vw, var(--step-h3));
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-group__meta {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  color: var(--grey);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-entry {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-entry__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-entry__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 17px 4px;
  margin: 0;
  background: none;
  border: 0;
  border-radius: 8px;
  color: var(--paper);
  text-align: left;
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.6;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-entry__trigger:hover,
.page-faq .faq-entry__trigger:focus-visible {
  background: rgba(47, 243, 200, 0.05);
}

.page-faq .faq-entry__q-num {
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--grey);
  transition: color 0.22s ease;
}

.page-faq .faq-entry__trigger[aria-expanded="true"] .faq-entry__q-num {
  color: var(--orange);
}

.page-faq .faq-entry__mark {
  position: relative;
  width: 24px;
  height: 24px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq-entry__mark::before {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(-45deg) translate(-1px, -1px);
}

.page-faq .faq-entry__trigger[aria-expanded="true"] .faq-entry__mark {
  transform: rotate(90deg);
  border-color: var(--orange);
  background: rgba(255, 138, 61, 0.14);
}

.page-faq .faq-entry__panel {
  display: flow-root;
  padding: 0 4px 22px;
}

.page-faq .faq-entry__panel[aria-hidden="true"] {
  display: none;
}

.page-faq .faq-entry__panel p {
  margin: 0 0 12px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-answer);
}

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

.page-faq .faq-entry__panel p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 200, 0.4);
}

.page-faq .faq-entry__panel p a:hover {
  color: var(--cyan-soft);
}

/* ---------- 问答内嵌配图 ---------- */
.page-faq .faq-media {
  margin: 4px 0 16px;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  filter: saturate(0.88) brightness(0.93);
}

.page-faq .faq-media figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 色带过渡 ---------- */
.page-faq .faq-band {
  height: 6px;
  margin: clamp(30px, 4vw, 46px) 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--line) 14%, var(--cyan) 50%, var(--line) 86%, transparent);
  opacity: 0.6;
}

.page-faq .faq-band.is-visible {
  animation: faq-band-sweep 0.6s ease-out 1 both;
}

@keyframes faq-band-sweep {
  from {
    opacity: 1;
    filter: brightness(2.2);
  }
  to {
    opacity: 0.6;
    filter: brightness(1);
  }
}

/* ---------- 兜底区块 ---------- */
.page-faq .faq-rescue {
  position: relative;
  margin-top: clamp(46px, 6vw, 78px);
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, rgba(18, 48, 42, 0.96), rgba(6, 17, 14, 0.92));
  overflow: hidden;
}

.page-faq .faq-rescue__glow {
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), transparent 72%);
}

.page-faq .faq-rescue .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-rescue__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.2vw, var(--step-h3));
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-rescue__lead {
  margin: 0 0 24px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--grey);
}

.page-faq .faq-rescue__list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-rescue__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(30, 64, 56, 0.85);
}

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

.page-faq .faq-rescue__k {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-rescue__v {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-answer);
}

.page-faq .faq-rescue__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 31, 26, 0.7);
}

.page-faq .faq-rescue__mail {
  font-family: var(--font-num);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-rescue__hours {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 桌面与平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-media {
    float: right;
    width: 42%;
    max-width: 320px;
    margin: 6px 0 14px 26px;
  }

  .page-faq .faq-entry__panel {
    padding-left: 42px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 118px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-band.is-visible {
    animation: none;
  }

  .page-faq .faq-entry__mark,
  .page-faq .faq-entry__trigger,
  .page-faq .faq-index__link {
    transition: none;
  }
}