.page-faq {
  --faq-gap: clamp(22px, 3.6vw, 46px);
  --faq-side: 286px;
  --faq-line: rgba(147, 167, 157, .2);
  background: var(--c-night);
  color: var(--c-cream);
  padding-bottom: clamp(52px, 8vw, 104px);
}

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

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding: clamp(14px, 2.4vw, 26px) 0 0;
  font-size: var(--fs-note);
  letter-spacing: .06em;
  color: var(--c-annot);
}

.page-faq .breadcrumb a {
  color: var(--c-annot);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(14px, 2.4vw, 24px);
  padding: clamp(28px, 4.6vw, 56px) 0 clamp(26px, 4vw, 50px);
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(43, 240, 208, .13), transparent 58%),
    linear-gradient(148deg, rgba(122, 92, 255, .14), transparent 44%),
    var(--c-ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(147, 167, 157, .075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 167, 157, .075) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 88%);
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-size: var(--fs-note);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.8vw, 54px);
  line-height: 1.1;
  letter-spacing: .03em;
  color: var(--c-cream);
}

.page-faq .faq-hero .lede {
  max-width: 58ch;
  color: rgba(245, 242, 234, .82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid rgba(43, 240, 208, .3);
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--c-night);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(43, 240, 208, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 240, 208, .07) 1px, transparent 1px);
  background-size: 40px 40px;
}

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

/* ---------- 三步路径条 ---------- */
.page-faq .faq-hero__path {
  margin-top: clamp(26px, 4vw, 46px);
}

.page-faq .faq-hero__pathhead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.page-faq .faq-block-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cream);
}

.page-faq .faq-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-path__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-pill) var(--r-card) var(--r-card) var(--r-pill);
  background: rgba(43, 58, 62, .3);
  transition: border-color var(--t), background var(--t);
}

.page-faq .faq-path__step:hover {
  border-color: rgba(242, 178, 51, .55);
  background: rgba(43, 58, 62, .46);
}

.page-faq .faq-path__num {
  font-size: 20px;
  letter-spacing: .08em;
  color: var(--c-cyan);
}

.page-faq .faq-path__label {
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--c-cream);
}

.page-faq .faq-path__note {
  font-size: var(--fs-aux);
  line-height: 1.65;
  color: var(--c-annot);
}

/* ---------- 索引 + 答案 ---------- */
.page-faq .faq-body {
  margin-top: clamp(30px, 5vw, 56px);
}

.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-radius: var(--r-panel);
  background: rgba(15, 44, 39, .55);
  padding: 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: var(--fs-note);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-annot);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  white-space: nowrap;
  font-size: var(--fs-aux);
  color: rgba(245, 242, 234, .8);
  text-decoration: none;
  transition: color var(--t), border-color var(--t), background var(--t);
}

.page-faq .faq-index__list a:hover {
  color: var(--c-cream);
  border-color: rgba(43, 240, 208, .5);
  background: rgba(43, 240, 208, .08);
}

.page-faq .faq-index__list .mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-line);
  font-size: var(--fs-note);
  color: var(--c-annot);
}

.page-faq .faq-index__foot a {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 178, 51, .45);
  transition: border-color var(--t), color var(--t);
}

.page-faq .faq-index__foot a:hover {
  color: var(--c-cream);
  border-bottom-color: var(--c-cream);
}

.page-faq .faq-answers {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  min-width: 0;
}

.page-faq .faq-group {
  display: grid;
  gap: 12px;
}

.page-faq .faq-group__head {
  padding-left: 14px;
  border-left: 2px solid rgba(43, 240, 208, .6);
  margin-bottom: 4px;
}

.page-faq .faq-group__index {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: .05em;
  color: var(--c-cream);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--r-card);
  background: rgba(10, 23, 41, .62);
  overflow: hidden;
  transition: border-color var(--t), background var(--t);
}

.page-faq .faq-item:hover {
  border-color: rgba(242, 178, 51, .42);
}

.page-faq .faq-item[open] {
  border-color: rgba(43, 240, 208, .4);
  background: rgba(15, 44, 39, .62);
}

.page-faq .faq-item > summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  transition: background var(--t);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.page-faq .faq-item__text {
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-cream);
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin: 8px 0 0 auto;
  border-right: 1.5px solid var(--c-annot);
  border-bottom: 1.5px solid var(--c-annot);
  transform: rotate(45deg);
  transition: transform var(--t), border-color var(--t);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(225deg);
  border-color: var(--c-cyan);
}

.page-faq .faq-item__a {
  padding: 0 20px 22px 48px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(245, 242, 234, .84);
  overflow-wrap: break-word;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-item__a a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t);
}

.page-faq .faq-item__a a:hover {
  color: var(--c-amber);
}

.page-faq .faq-hint {
  color: var(--c-cream);
  border-bottom: 2px solid rgba(242, 178, 51, .8);
  padding-bottom: 1px;
}

/* ---------- 对比表 ---------- */
.page-faq .faq-compare {
  width: 100%;
  min-width: 520px;
  margin: 14px 0 4px;
  border-collapse: collapse;
  font-size: var(--fs-aux);
}

.page-faq .faq-compare th,
.page-faq .faq-compare td {
  text-align: left;
  vertical-align: top;
  padding: 12px 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-compare th {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-annot);
}

.page-faq .faq-compare td {
  color: rgba(245, 242, 234, .86);
  line-height: 1.65;
}

.page-faq .faq-compare tbody tr:hover td {
  background: rgba(43, 240, 208, .06);
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: 16px 0 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--c-night);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-line);
  font-size: var(--fs-note);
  color: var(--c-annot);
}

/* ---------- 次级问答块 ---------- */
.page-faq .faq-sub {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.page-faq .faq-sub__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-annot);
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-faq .faq-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-path__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -14px;
    width: 14px;
    height: 1px;
    background: rgba(43, 240, 208, .5);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding: 20px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }

  .page-faq .faq-index__list a {
    border-radius: 10px;
    white-space: normal;
    padding: 10px 14px;
  }
}

@media (max-width: 599px) {
  .page-faq .faq-item__a {
    padding-left: 20px;
  }

  .page-faq .faq-item__text {
    font-size: 16px;
  }
}