.page-faq {
  --faq-sticky: 92px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: 64px;
}

.page-faq .breadcrumb {
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}
.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover {
  color: var(--lime);
}
.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: rgba(157, 180, 168, 0.5);
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: 16px 0 42px;
}
.page-faq .faq-hero__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--lime);
  border-radius: var(--r-l);
  padding: 26px 20px 28px;
  background:
    radial-gradient(130% 100% at 92% 0%, rgba(216, 255, 62, 0.13), transparent 58%),
    radial-gradient(90% 80% at -12% 100%, rgba(58, 22, 32, 0.92), transparent 62%),
    var(--ink-2);
}
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 26px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 34%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 34%);
}
.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 9vw, 68px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-faq .faq-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--lime);
}
.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-faq .faq-hero__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--panel);
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-hero__figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 三栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 34px 0 0;
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}
.page-faq .faq-index ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-index li {
  flex: 0 0 auto;
}
.page-faq .faq-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  box-sizing: border-box;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-faq .faq-index a .num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mist);
}
.page-faq .faq-index a:hover {
  border-color: rgba(216, 255, 62, 0.55);
}
.page-faq .faq-index a[aria-current="true"] {
  border-color: var(--lime);
  background: rgba(216, 255, 62, 0.08);
  color: var(--lime);
}
.page-faq .faq-index a[aria-current="true"] .num {
  color: var(--lime);
}

/* ---------- 中部问题区 ---------- */
.page-faq .faq-section {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.page-faq .faq-section:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.page-faq .faq-section__no {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid rgba(216, 255, 62, 0.4);
  border-radius: var(--r-s);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 6vw, 34px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-faq .faq-section__lede {
  margin: 10px 0 2px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* 版本对照条 */
.page-faq .faq-versionbar {
  display: grid;
  gap: 1px;
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--line-soft);
}
.page-faq .faq-versionbar__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
  padding: 11px 14px;
  background: var(--ink-2);
}
.page-faq .faq-versionbar__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--lime);
}
.page-faq .faq-versionbar__val {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* 手风琴 */
.page-faq details.faq-q {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-left: 3px solid rgba(243, 247, 241, 0.18);
  border-radius: var(--r-s);
  background: var(--ink-2);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-faq details.faq-q[open] {
  border-left-color: var(--lime);
  background: var(--panel);
}
.page-faq details.faq-q > summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 14px 46px 14px 16px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}
.page-faq details.faq-q > summary::-webkit-details-marker {
  display: none;
}
.page-faq details.faq-q > summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}
.page-faq details.faq-q[open] > summary::after {
  content: "\2013";
}
.page-faq details.faq-q > summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .faq-a {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .faq-a p {
  margin: 0 0 10px;
}
.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-a strong {
  color: var(--paper);
  font-weight: 600;
}

/* 步骤清单 */
.page-faq .steps {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}
.page-faq .steps li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
}
.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  counter-increment: faqstep;
  flex: 0 0 auto;
  padding: 1px 6px;
  border: 1px solid rgba(216, 255, 62, 0.35);
  border-radius: var(--r-s);
  background: rgba(216, 255, 62, 0.1);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--lime);
}
.page-faq .steps li span {
  flex: 1 1 auto;
}

/* 提醒条 */
.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 11px 14px;
  border-left: 3px solid var(--alert);
  border-radius: 0 var(--r-s) var(--r-s) 0;
  background: rgba(255, 75, 62, 0.08);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper);
}

/* 内文配图 */
.page-faq .faq-figure {
  margin: 18px 0 0;
  max-width: 340px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--panel);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  padding: 9px 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.65;
  color: var(--mist);
}

/* 出口卡片 */
.page-faq .faq-exit {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}
.page-faq .faq-exit__item {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink-2);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-faq .faq-exit__item:hover {
  border-color: rgba(216, 255, 62, 0.55);
  background: var(--panel);
}
.page-faq .faq-exit__item strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}
.page-faq .faq-exit__item span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 右侧反馈出口 ---------- */
.page-faq .faq-side {
  display: grid;
  gap: 18px;
}
.page-faq .stuck-card {
  padding: 20px 18px;
  border: 1px solid rgba(216, 255, 62, 0.32);
  border-radius: var(--r-l);
  background:
    linear-gradient(180deg, rgba(216, 255, 62, 0.13), rgba(255, 255, 255, 0.03) 55%),
    var(--ink-2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.page-faq .stuck-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--lime);
}
.page-faq .stuck-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.16;
  color: var(--paper);
}
.page-faq .stuck-card__text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .stuck-card__btn {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin-top: 16px;
  text-align: center;
}
.page-faq .stuck-card__contact {
  display: grid;
  gap: 4px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.page-faq .stuck-card__label {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.page-faq .stuck-card__value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .side-links {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink-2);
}
.page-faq .side-links__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}
.page-faq .side-links ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .side-links a {
  color: var(--paper);
  font-size: 13.5px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .side-links a:hover {
  color: var(--lime);
  border-bottom-color: rgba(216, 255, 62, 0.5);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 20px 0 54px;
  }
  .page-faq .faq-hero__frame {
    padding: 36px 34px 38px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 34px;
  }
  .page-faq .faq-section {
    padding: 30px 0;
  }
  .page-faq .faq-exit {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .page-faq .faq-figure {
    max-width: 380px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 196px minmax(0, 1fr) 300px;
    gap: 34px;
    align-items: start;
    padding-top: 44px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
  }
  .page-faq .faq-index ol {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-index a {
    display: flex;
    width: 100%;
    padding: 9px 10px 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-s) var(--r-s) 0;
    font-size: 13.5px;
    white-space: normal;
  }
  .page-faq .faq-index a:hover {
    background: var(--glass);
  }
  .page-faq .faq-index a[aria-current="true"] {
    background: rgba(216, 255, 62, 0.07);
  }
  .page-faq .faq-side {
    position: sticky;
    top: var(--faq-sticky);
  }
  .page-faq .faq-section h2 {
    font-size: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}