.page-faq {
  --faq-rail: 244px;
  --faq-body: rgba(244, 238, 220, 0.82);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-faq .breadcrumb a {
  color: var(--fog);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--lime);
}

.page-faq .breadcrumb__sep {
  color: var(--moss);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-intro {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 88% -10%, rgba(182, 255, 59, 0.1), rgba(182, 255, 59, 0) 55%),
    linear-gradient(158deg, rgba(35, 74, 58, 0.55) 0%, rgba(11, 31, 23, 0) 62%);
}

.page-faq .faq-intro__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-intro__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--lime);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 6.2vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-intro__sub {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .faq-panel {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  background: rgba(17, 21, 18, 0.62);
  padding: 18px 18px 14px;
  box-shadow: 0 18px 40px -30px rgba(0, 0, 0, 0.9);
}

.page-faq .faq-panel__head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--fog);
}

.page-faq .faq-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-panel__row:first-child {
  border-top: 0;
}

.page-faq .faq-panel__label {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--faq-body);
}

.page-faq .faq-panel__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.24rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--lime);
}

/* ---------- 快速跳转 ---------- */

.page-faq .faq-quick {
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-quick__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--fog);
}

.page-faq .faq-quick__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(35, 74, 58, 0.28);
  color: var(--faq-body);
  font-size: 0.84rem;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--amber);
  background: rgba(242, 166, 59, 0.12);
  color: var(--paper);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-body {
  padding: clamp(28px, 4vw, 48px) 0 0;
}

.page-faq .faq-layout {
  display: block;
}

.page-faq .faq-rail {
  margin: 0 0 clamp(24px, 4vw, 34px);
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--fog);
}

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--faq-body);
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--amber);
  color: var(--paper);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-faq .faq-flow {
  min-width: 0;
}

/* ---------- 分类区块 ---------- */

.page-faq .faq-section {
  padding: clamp(24px, 3.6vw, 40px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-offset) + 24px);
}

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-faq .faq-section__title {
  margin: 0;
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-section__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--fog);
  max-width: 52ch;
}

/* ---------- 手风琴 ---------- */

.page-faq .faq-list {
  margin: 14px 0 0;
}

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

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  color: var(--paper);
  font-size: clamp(0.98rem, 1.3vw, 1.05rem);
  font-weight: 600;
  line-height: 1.6;
  transition: color 0.18s ease;
}

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

.page-faq .faq-q:hover {
  color: var(--lime);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
  border-radius: var(--radius-s);
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--lime);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .faq-q__mark::before {
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-q__mark::after {
  top: 6px;
  bottom: 6px;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--lime);
}

.page-faq .faq-item[open] .faq-q__mark {
  border-color: var(--lime);
  background: rgba(182, 255, 59, 0.12);
}

.page-faq .faq-item[open] .faq-q__mark::after {
  opacity: 0;
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-a {
  max-width: 68ch;
  padding: 0 0 20px 36px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

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

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: 18px 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  background: var(--ink-deep);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-faq .faq-figure--phone {
  max-width: 320px;
  margin: 4px 0 16px;
}

/* ---------- 图例 ---------- */

.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 14px 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(17, 21, 18, 0.7);
}

.page-faq .faq-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--faq-body);
}

.page-faq .faq-legend__swatch {
  display: inline-block;
  width: 16px;
  height: 8px;
  border-radius: 2px;
}

.page-faq .faq-legend__swatch--goal {
  background: var(--lime);
}

.page-faq .faq-legend__swatch--conceded {
  background: var(--cyan);
}

/* ---------- 三步提示 ---------- */

.page-faq .faq-steps {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-left: 2px solid var(--moss);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(35, 74, 58, 0.2);
}

.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--lime);
}

.page-faq .faq-steps__text {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--faq-body);
}

.page-faq .faq-steps__text b {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 术语卡 ---------- */

.page-faq .faq-terms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-term {
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: rgba(35, 74, 58, 0.24);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-term:hover {
  border-color: var(--line-lime);
  background: rgba(35, 74, 58, 0.55);
}

.page-faq .faq-term__name {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--lime);
}

.page-faq .faq-term__desc {
  display: block;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--fog);
}

/* ---------- 反馈字段 ---------- */

.page-faq .faq-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fields__item {
  padding: 6px 10px;
  border: 1px solid var(--line-lime);
  border-radius: var(--radius-s);
  background: rgba(182, 255, 59, 0.07);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--lime);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-assist {
  display: grid;
  gap: 20px;
  margin-top: clamp(36px, 6vw, 72px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-assist__title {
  margin: 0 0 10px;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-assist__text {
  margin: 0;
  max-width: 48ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .faq-assist__links {
  display: grid;
  gap: 8px;
}

.page-faq .faq-assist__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: rgba(17, 21, 18, 0.5);
  color: var(--paper);
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-assist__link:hover,
.page-faq .faq-assist__link:focus-visible {
  border-color: var(--amber);
  background: rgba(242, 166, 59, 0.1);
}

.page-faq .faq-assist__link span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-faq .faq-assist__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-faq .faq-assist {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 880px) {
  .page-faq .faq-intro__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.75fr);
    align-items: end;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(28px, 4.5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-offset) + 20px);
    margin: 0;
    padding-top: 14px;
    border-top: 1px solid var(--line-strong);
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-rail__link {
    justify-content: flex-start;
    padding: 11px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--amber);
    background: rgba(35, 74, 58, 0.4);
  }
}

@media (max-width: 600px) {
  .page-faq .faq-a {
    padding-left: 0;
  }

  .page-faq .faq-steps__item {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 10px;
    padding: 11px 12px;
  }
}

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