.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-pad: clamp(18px, 2.6vw, 30px);
  display: block;
  background: var(--bg);
  color: var(--fg);
  padding-bottom: clamp(56px, 9vw, 104px);
  font-family: var(--font-sans);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 3.4vw, 38px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: end;
  }
}

.page-faq .faq-hero__copy {
  border-left: 3px solid var(--accent);
  padding-left: clamp(14px, 2.4vw, 26px);
}

.page-faq h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 5.1vw, 54px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 12px 0 14px;
}

.page-faq .faq-hero__copy .lead {
  color: var(--fg-dim);
  max-width: 46ch;
}

.page-faq .faq-hero__meta {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-mute);
  letter-spacing: 0.03em;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: var(--border);
  background: var(--bg-panel);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media__caption {
  font-size: 12px;
  color: var(--fg-mute);
  letter-spacing: 0.05em;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  margin-top: clamp(30px, 5vw, 54px);
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 248px minmax(0, 1fr);
  }
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index {
  border: var(--border);
  background: rgba(18, 61, 42, 0.62);
  padding: 16px 16px 12px;
  box-shadow: var(--shadow-panel);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1000px) {
  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

@media (min-width: 1000px) {
  .page-faq .faq-index__link {
    white-space: normal;
  }
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(201, 255, 61, 0.07);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-mute);
}

/* ---------- 问答分组画板 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  min-width: 0;
}

.page-faq .faq-group {
  border: var(--border);
  background: linear-gradient(180deg, rgba(18, 61, 42, 0.92), rgba(11, 43, 30, 0.72));
  padding: var(--faq-pad);
  box-shadow: var(--shadow-panel);
  scroll-margin-top: 108px;
}

.page-faq .faq-group--escape {
  background: linear-gradient(180deg, rgba(18, 61, 42, 0.98), rgba(11, 43, 30, 0.6));
  border-color: var(--accent);
}

.page-faq .faq-group__head {
  border-bottom: 1px dashed var(--line);
  padding-bottom: 14px;
  margin-bottom: 4px;
}

.page-faq .faq-group__tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-faq .h-section {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-faq .faq-group__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-dim);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid rgba(30, 91, 62, 0.6);
}

.page-faq .faq-item:last-child {
  border-bottom: 0;
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--fg);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--accent);
  padding-top: 2px;
}

.page-faq .faq-item[open] > summary {
  color: var(--accent);
}

.page-faq .faq-item[open] > summary::after {
  content: "\2212";
}

.page-faq .faq-item > summary:hover {
  color: var(--accent);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-mute);
  padding-top: 4px;
}

.page-faq .faq-item__body {
  padding: 0 2px 18px;
  color: var(--fg-dim);
  font-size: 15.5px;
  line-height: 1.8;
}

@media (min-width: 700px) {
  .page-faq .faq-item__body {
    padding-left: 46px;
  }
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__body strong {
  color: var(--fg);
  font-weight: 600;
}

/* ---------- 步骤与要点列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: grid;
  gap: 9px;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 2px;
}

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

.page-faq .faq-points li {
  border-left: 2px solid var(--line);
  padding-left: 12px;
}

/* ---------- 数据小注条 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 16px 0 6px;
}

.page-faq .faq-stats .stat {
  border: 1px solid var(--line);
  background: rgba(11, 43, 30, 0.6);
  padding: 12px 14px;
}

.page-faq .faq-stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.1;
  display: block;
}

.page-faq .faq-stats .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-mute);
}

/* ---------- 分段标签 ---------- */
.page-faq .faq-tabs {
  margin-top: 18px;
}

.page-faq .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.page-faq .tabs__tab {
  font-family: var(--font-sans);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--fg-dim);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .tabs__tab:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.page-faq .tabs__tab[aria-selected="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}

.page-faq .tabs__tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-faq .tabs__panel {
  padding-top: 16px;
  color: var(--fg-dim);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .tabs__panel p {
  margin: 0 0 10px;
}

.page-faq .tabs__panel p:last-child {
  margin-bottom: 0;
}

/* ---------- 内嵌图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 6px;
  border: var(--border);
  background: rgba(11, 43, 30, 0.5);
  padding: 10px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .media__caption {
  padding-top: 8px;
}

/* ---------- 出口卡片 ---------- */
.page-faq .faq-escape {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

@media (min-width: 760px) {
  .page-faq .faq-escape {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-card {
  display: grid;
  gap: 6px;
  align-content: start;
  border: 1px solid var(--line);
  background: rgba(201, 255, 61, 0.05);
  padding: 16px;
  text-decoration: none;
  color: var(--fg);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-visible {
  border-color: var(--accent);
  background: rgba(201, 255, 61, 0.12);
  outline: none;
}

.page-faq .faq-card__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-mute);
}

.page-faq .faq-card__title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .faq-card__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-faq .faq-card__go {
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}

.page-faq .faq-note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fg-mute);
}

.page-faq .faq-note .note__mark {
  color: var(--gold);
  margin-right: 6px;
}

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