.page-faq {
  display: block;
  overflow-x: clip;
  padding-bottom: 96px;
  background:
    radial-gradient(1100px 620px at 88% -10%, rgba(138, 92, 255, 0.16), transparent 62%),
    radial-gradient(900px 520px at -8% 10%, rgba(55, 242, 224, 0.1), transparent 60%);
}

.page-faq .breadcrumb {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding-top: 26px;
  padding-bottom: 68px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2.05rem, 7.6vw, 4.15rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-faq .faq-hero__title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--cyan), var(--violet) 52%, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero .lead {
  margin: 20px 0 0;
  max-width: 54ch;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stat {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(22, 32, 63, 0.55);
  font-size: var(--fs-14);
  color: var(--muted);
}

.page-faq .faq-hero__stat .num {
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  overflow: hidden;
  aspect-ratio: 2 / 1;
  background: linear-gradient(150deg, rgba(14, 23, 51, 0.9), rgba(7, 10, 18, 0.95));
  box-shadow: var(--shadow-lg);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  inset: auto -18% -38% 28%;
  height: 74%;
  background: linear-gradient(120deg, rgba(55, 242, 224, 0.32), rgba(138, 92, 255, 0.26) 58%, transparent);
  filter: blur(46px);
  pointer-events: none;
}

/* ---------- 答疑主体 ---------- */
.page-faq .faq-board {
  position: relative;
}

.page-faq .faq-board .section-head,
.page-faq .faq-tiers .section-head,
.page-faq .faq-support .section-head {
  margin-bottom: 32px;
}

.page-faq .faq-board__layout {
  display: grid;
  gap: 26px;
}

.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-faq .faq-rail__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-rail__chips .chip {
  font-family: inherit;
  cursor: pointer;
  transition: background 0.24s var(--ease), color 0.24s var(--ease),
    border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-rail__chips .chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  box-shadow: 0 0 0 1px rgba(55, 242, 224, 0.45), 0 0 22px rgba(55, 242, 224, 0.26);
}

.page-faq .faq-list {
  display: grid;
  gap: 46px;
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
}

.page-faq .faq-group__title {
  position: relative;
  margin: 0 0 4px;
  padding-left: 16px;
  font-size: var(--fs-22);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-group__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.26em;
  bottom: 0.26em;
  width: 4px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--cyan), #2bb9e6);
}

.page-faq .faq-group:nth-child(2) .faq-group__title::before {
  background: linear-gradient(180deg, var(--violet), #5b7bff);
}

.page-faq .faq-group:nth-child(3) .faq-group__title::before {
  background: linear-gradient(180deg, var(--gold), #ffcf6b);
}

.page-faq .faq-group:nth-child(4) .faq-group__title::before {
  background: linear-gradient(180deg, var(--jade), var(--cyan));
}

.page-faq .faq-group__figure {
  position: relative;
  margin: 20px 0 8px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: rgba(14, 23, 51, 0.7);
}

.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.88;
}

.page-faq .faq-group__figure .media__caption {
  display: block;
  padding: 12px 16px 14px;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--muted);
}

/* 问题条目 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0 16px 16px;
  list-style: none;
  cursor: pointer;
  font-size: var(--fs-17);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  transition: color 0.24s var(--ease);
}

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

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  opacity: 0.16;
  transition: opacity 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__q::before {
  opacity: 1;
  box-shadow: 0 0 14px rgba(55, 242, 224, 0.55);
}

@media (hover: hover) {
  .page-faq .faq-item__q:hover {
    color: var(--cyan);
  }
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  margin-left: auto;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--muted);
  transition: transform 0.26s var(--ease), color 0.26s var(--ease),
    border-color 0.26s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-item__a {
  padding: 6px 0 30px 16px;
  max-width: 64ch;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 242, 224, 0.42);
  transition: border-color 0.24s var(--ease);
}

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

/* 步骤清单 */
.page-faq .steps {
  position: relative;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, rgba(55, 242, 224, 0.5), rgba(138, 92, 255, 0.36), transparent);
}

.page-faq .steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 36px;
  overflow-wrap: anywhere;
}

.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--indigo), var(--deep));
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 配置与权益 ---------- */
.page-faq .tier-pair {
  display: grid;
  gap: 20px;
}

.page-faq .tier-panel {
  position: relative;
  padding: 26px 22px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(22, 32, 63, 0.86), rgba(7, 10, 18, 0.92));
  overflow: hidden;
}

.page-faq .tier-panel::after {
  content: "";
  position: absolute;
  inset: -42% -32% auto auto;
  width: 62%;
  height: 122%;
  background: radial-gradient(circle at 60% 30%, rgba(55, 242, 224, 0.2), transparent 68%);
  pointer-events: none;
}

.page-faq .tier-panel--member::after {
  background: radial-gradient(circle at 60% 30%, rgba(255, 154, 60, 0.18), transparent 68%);
}

.page-faq .tier-panel__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 18px;
}

.page-faq .tier-panel__badge {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-faq .tier-panel__title {
  margin: 0;
  font-size: var(--fs-22);
  font-weight: 800;
  color: var(--text);
}

.page-faq .tier-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .tier-item {
  position: relative;
  padding: 14px 16px 14px 20px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: rgba(14, 23, 51, 0.7);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .tier-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--cyan);
}

.page-faq .tier-item--b::before {
  background: var(--violet);
}

.page-faq .tier-item--c::before {
  background: var(--gold);
}

@media (hover: hover) {
  .page-faq .tier-item:hover {
    transform: translateY(-4px);
    border-color: rgba(55, 242, 224, 0.5);
  }
}

.page-faq .tier-item__name {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--text);
}

.page-faq .tier-item__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-support__grid {
  display: grid;
  gap: 18px;
}

.page-faq .support-card {
  position: relative;
  padding: 26px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(14, 23, 51, 0.92), rgba(7, 10, 18, 0.94));
  overflow: hidden;
}

.page-faq .support-card::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--cyan), var(--violet) 55%, transparent);
  opacity: 0.7;
}

.page-faq .support-card__title {
  margin: 12px 0 12px;
  font-size: var(--fs-22);
  font-weight: 800;
  color: var(--text);
}

.page-faq .support-card__body {
  margin: 0 0 18px;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .support-card__contact {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: var(--fs-17);
  color: var(--text);
}

.page-faq .support-card__contact li {
  position: relative;
  padding-left: 18px;
  overflow-wrap: anywhere;
}

.page-faq .support-card__contact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(55, 242, 224, 0.7);
}

.page-faq .support-card .btn {
  margin-top: 2px;
}

.page-faq .support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-support__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .tier-pair {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 130px;
  }

  .page-faq .faq-hero {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 56px;
    padding-top: 40px;
    padding-bottom: 96px;
  }

  .page-faq .faq-hero__visual {
    transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  }

  .page-faq .faq-board__layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-rail__chips {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
  }

  .page-faq .faq-rail__chips .chip {
    justify-content: flex-start;
    width: 100%;
    text-align: left;
  }

  .page-faq .faq-list {
    gap: 56px;
  }

  .page-faq .faq-item__q {
    padding: 18px 0 18px 22px;
    gap: 20px;
  }

  .page-faq .faq-item__a {
    padding: 8px 0 34px 22px;
  }

  .page-faq .tier-panel {
    padding: 32px 28px 28px;
  }

  .page-faq .support-card {
    padding: 32px 28px;
  }

  .page-faq .faq-group__figure {
    margin: 24px 0 10px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-board__layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 64px;
  }
}
<<<END>>>