.page-faq {
  position: relative;
  padding-bottom: 0;
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-faq .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-faq .breadcrumb span[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 3.4vw, 40px) 0 clamp(34px, 5vw, 60px);
  background:
    radial-gradient(88% 78% at 92% 2%, rgba(53, 224, 212, .16), transparent 62%),
    radial-gradient(66% 58% at 4% 100%, rgba(217, 249, 74, .07), transparent 66%);
}

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

.page-faq .faq-hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(29px, 6.4vw, 46px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero-copy .lead {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(53, 224, 212, .12), rgba(15, 18, 20, .7) 62%);
  overflow: hidden;
}
.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: center;
    gap: 52px;
  }
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  padding-bottom: 8px;
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-bottom: 24px;
  }
}

/* ---------- 侧边分组索引 ---------- */
.page-faq .faq-rail-title {
  display: none;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 8px;
  margin: 0 0 6px;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-rail-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(15, 18, 20, .72);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.page-faq .faq-rail-link .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}
.page-faq .faq-rail-link:hover {
  color: var(--paper);
  border-color: var(--cyan);
  background: rgba(53, 224, 212, .1);
}

@media (min-width: 980px) {
  .page-faq .faq-rail {
    position: sticky;
    top: 100px;
  }
  .page-faq .faq-rail-title {
    display: block;
  }
  .page-faq .faq-rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-rail-link {
    display: flex;
    width: 100%;
    padding: 9px 12px 9px 14px;
    border: none;
    border-left: 2px solid var(--line);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    background: transparent;
  }
  .page-faq .faq-rail-link:hover {
    border-left-color: var(--cyan);
    background: rgba(53, 224, 212, .07);
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-top: 10px;
  scroll-margin-top: 108px;
}
.page-faq .faq-group + .faq-group {
  margin-top: 40px;
  padding-top: 38px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-group-num {
  flex: 0 0 auto;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .faq-group:target .faq-group-num {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-on-cyan);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.4vw, 25px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group-note {
  margin: 10px 0 18px;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-group-media {
  margin: 0 0 20px;
  max-width: 320px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(14, 53, 44, .6), rgba(15, 18, 20, .7));
  overflow: hidden;
}
.page-faq .faq-group-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 问答卡 ---------- */
.page-faq .qa {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(178deg, rgba(14, 53, 44, .5), rgba(15, 18, 20, .78));
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .qa:hover {
  border-color: rgba(53, 224, 212, .5);
}
.page-faq .qa[open] {
  border-color: rgba(53, 224, 212, .72);
  background: linear-gradient(178deg, rgba(14, 53, 44, .78), rgba(15, 18, 20, .86));
}

.page-faq .qa-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa-q::-webkit-details-marker {
  display: none;
}
.page-faq .qa-q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
  border-radius: var(--r-lg);
}

.page-faq .qa-label {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .qa-text {
  display: block;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--paper);
}
.page-faq .qa-hint {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .qa-icon {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(6, 35, 29, .92);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}
.page-faq .qa-icon::before,
.page-faq .qa-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: opacity .18s var(--ease);
}
.page-faq .qa-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.page-faq .qa[open] .qa-icon {
  transform: rotate(180deg);
  border-color: var(--cyan);
}
.page-faq .qa[open] .qa-icon::after {
  opacity: 0;
}

.page-faq .qa-a {
  padding: 4px 18px 18px;
}

.page-faq .qa-steps {
  list-style: none;
  counter-reset: qastep;
  margin: 0;
  padding: 0;
}
.page-faq .qa-steps li {
  position: relative;
  counter-increment: qastep;
  padding-left: 34px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}
.page-faq .qa-steps li:last-child {
  margin-bottom: 0;
}
.page-faq .qa-steps li::before {
  content: counter(qastep);
  position: absolute;
  left: 0;
  top: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border-radius: 7px;
  background: var(--cyan);
  color: var(--ink-on-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  margin-top: clamp(46px, 7vw, 76px);
  padding: clamp(34px, 5vw, 52px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(53, 224, 212, .1), rgba(15, 18, 20, .52) 58%),
    radial-gradient(60% 80% at 96% 0%, rgba(217, 249, 74, .08), transparent 66%);
  scroll-margin-top: 100px;
}

.page-faq .faq-help-inner {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: 56px;
    align-items: start;
  }
}

.page-faq .faq-help-copy h2 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-faq .faq-help-copy p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-help-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(14, 53, 44, .62), rgba(15, 18, 20, .82));
}

.page-faq .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(18, 58, 56, .9);
}
.page-faq .contact-row:first-child {
  padding-top: 0;
}

.page-faq .contact-key {
  flex: 0 0 42px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .contact-value {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-help-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 619px) {
  .page-faq .qa-q {
    padding: 14px 15px;
    gap: 11px;
  }
  .page-faq .qa-a {
    padding: 2px 15px 16px;
  }
  .page-faq .qa-text {
    font-size: 15px;
  }
  .page-faq .faq-group-media {
    max-width: 100%;
  }
  .page-faq .faq-help-card {
    padding: 18px;
  }
  .page-faq .faq-help-links .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}
<<<END>>>