.page-faq {
  --faq-toc-w: 268px;
  --faq-radius-lg: 16px;
  --faq-radius-sm: 10px;

  background-color: var(--light);
  color: var(--ink);
  font-family: var(--font-body);
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(3rem, 6vw, 5rem);
}

/* 面包屑 */
.page-faq .faq-breadcrumb {
  margin-bottom: 1.25rem;
  font-size: var(--text-small);
}
.page-faq .faq-breadcrumb a {
  color: var(--gray-dark);
  text-decoration: none;
  font-weight: 500;
}
.page-faq .faq-breadcrumb a:hover {
  color: var(--green-dark);
}
.page-faq .faq-breadcrumb__sep {
  margin: 0 0.5rem;
  color: var(--line);
}
.page-faq .faq-breadcrumb__current {
  color: var(--ink);
  font-weight: 700;
}

/* Hero */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 1.5rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(1.75rem, 4vw, 3.5rem);
  border-radius: var(--radius-lg);
  background-color: var(--ink);
  color: var(--white);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.045) 0 2px,
    transparent 2px 14px
  );
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  background: var(--green);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  pointer-events: none;
}
.page-faq .faq-hero__main,
.page-faq .faq-hero__aside,
.page-faq .faq-hero__meta {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
}
.page-faq .faq-hero__eyebrow::before {
  content: "";
  width: 18px;
  height: 3px;
  background: var(--yellow);
}
.page-faq .faq-hero__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-style: italic;
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: 0.01em;
}
.page-faq .faq-hero__subtitle {
  margin: 0;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--mint);
}
.page-faq .faq-hero__aside {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-self: start;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--faq-radius-sm);
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.page-faq .faq-hero__stat-num {
  font-family: var(--font-data);
  font-size: 3rem;
  line-height: 1;
  color: var(--yellow);
}
.page-faq .faq-hero__stat-label {
  font-size: var(--text-small);
  line-height: 1.4;
  max-width: 9em;
  color: var(--white);
}
.page-faq .faq-hero__meta {
  margin: 0;
  padding-left: 0.75rem;
  border-left: 3px solid var(--green);
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.78);
}

/* 目录 */
.page-faq .faq-toc {
  margin-bottom: 1.75rem;
}
.page-faq .faq-toc__title {
  margin: 0 0 0.75rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-dark);
}
.page-faq .faq-toc__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}
.page-faq .faq-toc__list li {
  margin-bottom: 0.35rem;
}
.page-faq .faq-toc__list a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  border-left: 2px solid var(--line);
  font-size: var(--text-small);
  color: var(--gray-dark);
  text-decoration: none;
  transition:
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition);
}
.page-faq .faq-toc__list a:hover {
  border-left-color: var(--green);
  color: var(--ink);
  background-color: var(--mint);
}
.page-faq .faq-toc__num {
  min-width: 2.2em;
  font-family: var(--font-data);
  font-size: 0.9rem;
  color: var(--green-dark);
}
.page-faq .faq-toc__card {
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--faq-radius-sm);
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.page-faq .faq-toc__card p {
  margin: 0;
  font-size: var(--text-small);
  line-height: 1.5;
  color: var(--gray-dark);
}
.page-faq .faq-toc__card .btn {
  justify-self: start;
}

/* 问答主列 */
.page-faq .faq-content {
  display: grid;
  gap: clamp(2.25rem, 5vw, 4rem);
  min-width: 0;
}

/* 区块 */
.page-faq .faq-section {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
  scroll-margin-top: calc(var(--nav-h) + 1.25rem);
}
.page-faq .faq-section .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  margin: 0;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--ink);
}
.page-faq .faq-section .section-head h2 {
  position: relative;
  margin: 0;
  padding-left: 0.65rem;
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-style: italic;
  font-weight: 900;
  line-height: 1.1;
}
.page-faq .faq-section .section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.12em;
  width: 0.24em;
  height: 0.78em;
  background: var(--green);
  transform: skewX(-18deg);
}

/* 图 */
.page-faq .faq-figure {
  width: min(100%, 520px);
  margin: 0;
  overflow: hidden;
  border-radius: var(--faq-radius-sm);
  background: var(--ink);
  position: relative;
}
.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 0.6rem 0.9rem;
  background: linear-gradient(
    to top,
    rgba(26, 26, 26, 0.88),
    rgba(26, 26, 26, 0)
  );
  font-size: var(--text-small);
  letter-spacing: 0.02em;
  color: var(--white);
}

/* 折叠面板 */
.page-faq .faq-panels {
  display: grid;
  gap: 0.9rem;
}
.page-faq .faq-panel {
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--faq-radius-sm);
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}
.page-faq .faq-panel:hover {
  border-color: rgba(0, 230, 118, 0.35);
}
.page-faq .faq-panel[open] {
  border-left: 3px solid var(--green);
  box-shadow: 0 8px 28px rgba(26, 26, 26, 0.06);
}
.page-faq .faq-panel summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}
.page-faq .faq-panel summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-panel summary::before {
  content: "?";
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--green);
  color: var(--ink);
  font-family: var(--font-data);
  font-size: 1.05rem;
  font-weight: 900;
}
.page-faq .faq-panel summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  color: var(--gray-dark);
  transition: transform 180ms var(--ease-out);
}
.page-faq .faq-panel[open] summary::after {
  transform: rotate(45deg);
}
.page-faq .faq-panel__body {
  padding: 0 1.1rem 1.15rem;
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--gray-dark);
}
.page-faq .faq-panel[open] .faq-panel__body {
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}
.page-faq .faq-panel__body::before {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-bottom: 0.8rem;
  border-radius: 2px;
  background: var(--yellow);
}
.page-faq .faq-panel__body p {
  margin: 0 0 0.8rem;
}
.page-faq .faq-panel__body p:last-of-type {
  margin-bottom: 0;
}
.page-faq .faq-panel__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  margin-top: 0.6rem;
  font-size: var(--text-small);
  font-weight: 700;
  color: var(--green-dark);
  text-decoration: none;
}
.page-faq .faq-panel__link::after {
  content: "→";
  transition: transform 180ms var(--ease-out);
}
.page-faq .faq-panel__link:hover {
  color: var(--ink);
}
.page-faq .faq-panel__link:hover::after {
  transform: translateX(4px);
}

/* 底部帮助卡 */
.page-faq .faq-help {
  margin-top: 0.5rem;
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: var(--faq-radius-lg);
  background-color: var(--ink);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.04) 0 2px,
    transparent 2px 14px
  );
  color: var(--white);
}
.page-faq .faq-help__inner {
  display: grid;
  gap: 0.75rem;
  max-width: 640px;
}
.page-faq .faq-help__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-style: italic;
  font-weight: 900;
  color: var(--white);
}
.page-faq .faq-help__desc {
  margin: 0;
  max-width: 44em;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}
.page-faq .faq-help .btn {
  justify-self: start;
  margin-top: 0.5rem;
}

/* 锚点目标闪烁提示 */
.page-faq .faq-section:target {
  animation: pageFaqTargetGlow 1.2s var(--ease-out) both;
}
@keyframes pageFaqTargetGlow {
  0% {
    background-color: rgba(255, 214, 0, 0.15);
  }
  100% {
    background-color: transparent;
  }
}

/* 桌面端布局 */
@media (min-width: 620px) {
  .page-faq .faq-panel__body {
    padding-left: 3.3rem;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  .page-faq .faq-hero__meta {
    grid-column: 1 / -1;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
    max-width: 1180px;
    margin: 0 auto;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--nav-h) + 1.25rem);
    align-self: start;
  }
}