.page-faq {
  --faq-rail: 16.5rem;
  --cat: var(--cyan);
  --cat-soft: var(--cyan-soft);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  overflow-x: clip;
}

.page-faq .cat-member { --cat: var(--amber); --cat-soft: var(--amber-soft); }
.page-faq .cat-pc { --cat: var(--orange); --cat-soft: var(--orange-soft); }
.page-faq .cat-rating { --cat: var(--cyan); --cat-soft: var(--cyan-soft); }
.page-faq .cat-access { --cat: var(--legacy); --cat-soft: rgba(111, 143, 134, 0.14); }
.page-faq .cat-support { --cat: var(--text-2); --cat-soft: rgba(155, 178, 191, 0.12); }

/* 顶部帮助入口条 */
.page-faq .faq-strip {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(11, 27, 40, 0.96), rgba(6, 17, 26, 0.96));
}

.page-faq .faq-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
  padding-block: 0.7rem;
}

.page-faq .faq-strip__label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
}

.page-faq .faq-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-strip__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text);
  text-decoration: none;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.page-faq .faq-strip__links a:hover,
.page-faq .faq-strip__links a:focus-visible {
  border-bottom-color: var(--cat);
  color: var(--cat);
}

.page-faq .faq-strip__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--cat);
  flex: 0 0 auto;
}

.page-faq .breadcrumb {
  margin-block: 1.1rem 0;
  font-size: 0.78rem;
  color: var(--text-2);
}

.page-faq .breadcrumb a {
  color: var(--text-2);
  text-decoration: none;
}

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

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(1.6rem, 4vw, 3rem);
  padding-bottom: clamp(1.5rem, 4vw, 3rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 78%;
  background:
    radial-gradient(60% 90% at 82% 0%, rgba(34, 224, 208, 0.16), transparent 70%),
    radial-gradient(50% 80% at 8% 12%, rgba(255, 138, 61, 0.12), transparent 72%),
    linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 62%);
  clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%);
  z-index: -1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.6rem;
  align-items: start;
}

.page-faq .faq-hero__copy .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-hero__copy h1 {
  margin: 0.55rem 0 1rem;
  font-size: clamp(2rem, 8vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
  max-width: 22ch;
}

.page-faq .faq-hero__copy .lede {
  max-width: 46ch;
  color: var(--text-2);
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.75;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero__panel {
  padding: 1.15rem 1.15rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(8px);
}

.page-faq .faq-hero__panel-label {
  margin: 0 0 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-stats {
  margin: 0;
  display: grid;
  gap: 0.1rem;
}

.page-faq .faq-stats__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .faq-stats dt {
  font-size: 0.82rem;
  color: var(--text-2);
}

.page-faq .faq-stats dd {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text);
}

.page-faq .faq-stats__num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  margin-right: 0.15rem;
}

.page-faq .faq-hero__panel-note {
  margin: 0.9rem 0 0;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--text-2);
}

.page-faq .faq-hero__media {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  border-radius: var(--radius-lg);
}

.page-faq .faq-hero__media img,
.page-faq .faq-pc__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 主体双栏 */
.page-faq .faq-body {
  padding-top: clamp(0.5rem, 2vw, 1rem);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 1.9rem;
  align-items: start;
}

.page-faq .faq-rail {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  padding: 1.1rem 1rem 1.2rem;
}

.page-faq .faq-rail__title {
  margin: 0 0 0.9rem;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 600;
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: start;
  gap: 0.6rem;
  padding: 0.65rem 0.6rem;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: var(--cat-soft);
  border-left-color: var(--cat);
  transform: translateX(2px);
}

.page-faq .faq-index a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  font-size: 0.72rem;
  color: var(--text-2);
  padding-top: 0.15rem;
}

.page-faq .faq-index__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--cat);
  margin-top: 0.42rem;
}

.page-faq .faq-index__text {
  display: block;
  min-width: 0;
}

.page-faq .faq-index__name {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-index__desc {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--text-2);
}

.page-faq .faq-rail__note {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-rail__note p {
  margin: 0 0 0.8rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-2);
}

.page-faq .faq-rail__note .btn {
  font-size: 0.82rem;
  padding: 0.5rem 0.9rem;
}

/* 问题分组 */
.page-faq .faq-panels {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 1.5rem;
  min-width: 0;
}

.page-faq .faq-group__head {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.15rem;
}

.page-faq .faq-group__head .tag {
  display: inline-block;
  margin: 0 0 0.7rem;
}

.page-faq .faq-group__head .section-title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  line-height: 1.25;
  color: var(--text);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 54ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .faq-list {
  display: grid;
  gap: 0.65rem;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--cat);
  background: linear-gradient(180deg, var(--cat-soft), transparent 55%), var(--ink-2);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text);
}

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

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

.page-faq .faq-item > summary:hover {
  background: rgba(41, 68, 82, 0.28);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
  margin-top: 0.28rem;
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--cat);
  transition: transform var(--ease), opacity var(--ease);
}

.page-faq .faq-item__mark::before {
  inset: 50% 2px auto 2px;
  height: 1px;
}

.page-faq .faq-item__mark::after {
  inset: 2px 50% 2px auto;
  width: 1px;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 1rem 1.1rem;
  border-top: 1px dashed var(--line);
  margin-top: 0.1rem;
  padding-top: 0.85rem;
}

.page-faq .faq-item__a p {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-2);
}

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

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

.page-faq .faq-hint {
  margin: 1rem 0 0;
  padding: 0.65rem 0.85rem;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--text-2);
  border-left: 3px solid var(--cat);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background:
    repeating-linear-gradient(135deg, rgba(41, 68, 82, 0.22) 0 6px, transparent 6px 12px),
    var(--ink-2);
}

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

/* PC 端配图 */
.page-faq .faq-panels__media {
  margin-bottom: 1.1rem;
}

.page-faq .faq-pc__media {
  margin: 0;
  border-radius: var(--radius-md);
}

/* 客服联系卡 */
.page-faq .faq-contact {
  margin-top: 1.2rem;
  padding: 1.15rem 1.1rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(34, 224, 208, 0.08), transparent 60%), var(--glass);
}

.page-faq .faq-contact__title {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  color: var(--text);
}

.page-faq .faq-contact__list {
  margin: 0 0 0.9rem;
  display: grid;
  gap: 0;
}

.page-faq .faq-contact__list .data-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1rem;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-contact__list .data-row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__list .data-key {
  font-size: 0.78rem;
  color: var(--text-2);
}

.page-faq .faq-contact__list .data-value {
  font-size: 0.86rem;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--text-2);
}

@media (min-width: 48rem) {
  .page-faq .faq-item > summary {
    padding: 1.1rem 1.25rem;
    font-size: 1rem;
  }

  .page-faq .faq-item__a {
    padding: 0.95rem 1.25rem 1.2rem;
  }

  .page-faq .faq-hero__actions {
    margin-top: 1.9rem;
  }

  .page-faq .faq-contact {
    padding: 1.5rem 1.5rem 1.6rem;
  }
}

@media (min-width: 62rem) {
  .page-faq .faq-strip {
    position: sticky;
    top: 0;
    z-index: 6;
    backdrop-filter: blur(10px);
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.78fr);
    gap: 2.5rem;
  }

  .page-faq .faq-hero__panel {
    margin-top: 2.2rem;
    transform: translateY(-1.6rem);
  }

  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 3rem;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 4.2rem;
    padding: 1.3rem 1.15rem 1.4rem;
  }

  .page-faq .faq-group {
    scroll-margin-top: 4.5rem;
  }

  .page-faq .faq-pc__media {
    max-width: 34rem;
  }
}

@media (min-width: 78rem) {
  .page-faq .faq-hero__copy h1 {
    max-width: 20ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index a,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}