.page-faq {
  --faq-panel: rgba(18, 40, 61, 0.92);
  --faq-panel-deep: rgba(11, 28, 44, 0.88);
  --faq-light-text: #46586B;
  --faq-light-accent: #9A7420;
  --faq-hairline: rgba(143, 163, 184, 0.22);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(115% 88% at 90% 4%, rgba(217, 164, 65, 0.22), transparent 58%),
    radial-gradient(90% 78% at 2% 98%, rgba(95, 169, 138, 0.20), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(143, 163, 184, 0.07) 0 1px,
    transparent 1px 15px
  );
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding-top: 38px;
  padding-bottom: 42px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(28px, 7.4vw, 54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__actions {
  margin-top: 26px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .faq-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 15px;
  background: linear-gradient(150deg, rgba(31, 58, 82, 0.92), rgba(11, 28, 44, 0.7));
  clip-path: var(--notch);
}

.page-faq .faq-hero__stats .stat-value {
  font-size: 30px;
  line-height: 1;
  color: var(--amber-soft);
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__stats .stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

/* ---------- 轨道索引 ---------- */
.page-faq .faq-rail {
  padding: 18px 16px 18px 18px;
  border-left: 2px solid var(--amber);
  background: linear-gradient(180deg, var(--faq-panel), var(--faq-panel-deep));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: var(--notch);
}

.page-faq .faq-rail__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__list a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 8px 9px 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-rail__list a .mono {
  color: var(--celadon-soft);
  font-size: 13px;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--amber-soft);
  border-left-color: var(--amber);
  background: rgba(217, 164, 65, 0.09);
}

.page-faq .faq-rail__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 折叠步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  background: linear-gradient(150deg, var(--faq-panel), var(--faq-panel-deep));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: var(--notch);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent);
}

.page-faq .faq-step summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .faq-step__idx {
  font-size: 17px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-faq .faq-step__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--body);
}

.page-faq .faq-step[open] .faq-step__title {
  color: var(--amber-soft);
}

.page-faq .faq-step__mark {
  position: relative;
  width: 18px;
  height: 18px;
}

.page-faq .faq-step__mark::before,
.page-faq .faq-step__mark::after {
  content: "";
  position: absolute;
  background: var(--amber);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-faq .faq-step__mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .faq-step__mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

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

.page-faq .faq-step__body {
  margin: 0 18px;
  padding: 14px 0 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-step__body .list-check {
  margin: 0;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--notch);
}

.page-faq .faq-figure--tall {
  max-width: 420px;
  margin: 34px auto 0;
}

.page-faq .faq-figure .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 浅色检查区 ---------- */
.page-faq .faq-light {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--faq-light-text);
}

.page-faq .faq-light::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(72% 60% at 94% 0%, rgba(217, 164, 65, 0.20), transparent 60%),
    radial-gradient(64% 52% at 0% 100%, rgba(95, 169, 138, 0.18), transparent 64%);
  pointer-events: none;
}

.page-faq .faq-light > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-light h2 {
  color: var(--ink);
}

.page-faq .faq-light .eyebrow {
  color: var(--faq-light-accent);
}

.page-faq .faq-light .lede {
  color: var(--faq-light-text);
  opacity: 1;
}

.page-faq .faq-light .filter-btn {
  color: var(--faq-light-text);
}

.page-faq .faq-checks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-check {
  position: relative;
  padding: 18px 18px 18px 20px;
  background: rgba(255, 255, 255, 0.76);
  border-left: 3px solid var(--celadon);
  box-shadow: 0 16px 32px -26px rgba(11, 28, 44, 0.55);
  clip-path: var(--notch);
}

.page-faq .faq-check__idx {
  display: block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-faq .faq-check h3 {
  margin: 8px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-check p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--faq-light-text);
}

/* ---------- 入口对照 ---------- */
.page-faq .faq-entry {
  margin: 22px 0 0;
}

.page-faq .faq-entry li {
  line-height: 1.8;
}

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

/* ---------- 修复记录 ---------- */
.page-faq .faq-fixes {
  margin-top: 24px;
}

.page-faq .faq-fix {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: linear-gradient(160deg, var(--faq-panel), var(--faq-panel-deep));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: var(--notch);
}

.page-faq .faq-fix .tag {
  align-self: flex-start;
}

.page-faq .faq-fix h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--body);
}

.page-faq .faq-fix p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

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

/* ---------- 求助面板 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 26px;
  padding: 26px 22px;
  background:
    radial-gradient(84% 100% at 100% 0%, rgba(217, 164, 65, 0.18), transparent 60%),
    linear-gradient(160deg, rgba(31, 58, 82, 0.78), rgba(11, 28, 44, 0.94));
  box-shadow: inset 0 0 0 1px var(--line-strong);
  clip-path: var(--notch);
}

.page-faq .faq-help h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-help__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-help__body .btn {
  margin-top: 22px;
}

.page-faq .faq-help__meta {
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-help .contact-value {
  color: var(--amber-soft);
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-step summary {
    grid-template-columns: 42px minmax(0, 1fr) 20px;
    gap: 14px;
    padding: 18px 22px;
  }

  .page-faq .faq-step__body {
    margin: 0 22px;
    padding: 16px 0 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.75fr);
    align-items: end;
    gap: 48px;
    padding-top: 68px;
    padding-bottom: 76px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 44px;
    padding: 36px 34px;
  }

  .page-faq .faq-help__meta {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 30px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 244px;
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-layout__aside {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
}

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