.page-faq {
  --faq-anchor: 120px;
  --faq-gap: clamp(20px, 3.4vw, 36px);
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(14px, 3vw, 26px);
  font-size: 13px;
}

.page-faq .breadcrumbs a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(20px, 3.4vw, 34px);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 160%;
  background:
    radial-gradient(58% 62% at 78% 8%, rgba(34, 224, 214, .16), transparent 68%),
    radial-gradient(46% 54% at 4% 96%, rgba(255, 90, 54, .12), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.page-faq .faq-hero__lead {
  max-width: 66ch;
}

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: rgba(34, 224, 214, .08);
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-hero__text {
  margin: 0;
  max-width: 58ch;
  color: var(--cyan-soft);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
}

/* 记分牌数字条 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--line-soft);
}

.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2.4vw, 20px) clamp(16px, 2.4vw, 22px);
  background: linear-gradient(180deg, rgba(11, 39, 66, .92), rgba(4, 16, 28, .92));
}

.page-faq .faq-stats__num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-faq .faq-stats__num--flare { color: var(--flare); }
.page-faq .faq-stats__num--amber { color: var(--amber); }

.page-faq .faq-stats__label {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--steel);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-bottom: clamp(44px, 7vw, 90px);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index__inner {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-2);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-xs);
  color: var(--cyan-soft);
  font-size: 14.5px;
  text-decoration: none;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(34, 224, 214, .12);
  color: var(--white);
}

.page-faq .faq-index__num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: var(--faq-anchor);
  margin-bottom: clamp(30px, 5vw, 54px);
}

.page-faq .faq-group__head {
  position: relative;
  padding-top: 18px;
  margin-bottom: clamp(14px, 2.4vw, 20px);
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--cyan), rgba(34, 224, 214, 0) 78%) 1;
}

.page-faq .faq-group__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-group__num--amber { color: var(--amber); }
.page-faq .faq-group__num--flare { color: var(--flare); }

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-group__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-2);
  transition: border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--line-strong);
  background: var(--panel);
}

.page-faq .faq-item[open] {
  border-color: var(--line-strong);
  background: var(--panel);
  box-shadow: inset 0 0 0 1px rgba(34, 224, 214, .07);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(14px, 2.2vw, 18px) clamp(15px, 2.4vw, 20px);
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 2vw, 16.5px);
  line-height: 1.55;
  color: var(--white);
}

.page-faq .faq-item__sign {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1;
  color: var(--cyan);
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-faq .faq-item__sign::before { content: "＋"; }

.page-faq .faq-item[open] .faq-item__sign {
  color: var(--ink);
  border-color: var(--flare);
  background: var(--flare);
}

.page-faq .faq-item[open] .faq-item__sign::before { content: "－"; }

.page-faq .faq-item__body {
  padding: 0 clamp(15px, 2.4vw, 20px) clamp(16px, 2.4vw, 20px) clamp(15px, 2.4vw, 20px);
  border-top: 1px solid var(--line-soft);
  margin-top: -2px;
  padding-top: 14px;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--cyan-soft);
}

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

.page-faq .faq-strong {
  color: var(--cyan);
  font-family: var(--font-num);
  font-weight: 700;
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .4);
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 更新频率条 ---------- */
.page-faq .faq-bars {
  display: grid;
  gap: 12px;
}

.page-faq .faq-bar {
  display: grid;
  gap: 6px;
}

.page-faq .faq-bar__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-bar__track {
  display: block;
  height: 6px;
  border-radius: var(--radius-pill);
  background: rgba(34, 224, 214, .12);
  overflow: hidden;
}

.page-faq .faq-bar__fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
}

.page-faq .faq-bar__fill--cyan { background: linear-gradient(90deg, var(--cyan), var(--cyan-soft)); }
.page-faq .faq-bar__fill--flare { background: linear-gradient(90deg, var(--flare), var(--amber)); }
.page-faq .faq-bar__fill--amber { background: linear-gradient(90deg, var(--amber), var(--cyan)); }

.page-faq .faq-bar__value {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--white);
}

/* ---------- 复制行 ---------- */
.page-faq .faq-copyline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(4, 16, 28, .5);
}

.page-faq .faq-copyline__value {
  font-family: var(--font-num);
  font-size: 13.5px;
  color: var(--white);
  word-break: break-all;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(30px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(135deg, var(--ink-2), var(--ink-3));
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--line-soft);
  background: rgba(4, 16, 28, .62);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 收尾 CTA ---------- */
.page-faq .faq-cta {
  padding: clamp(20px, 3.6vw, 32px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 130% at 100% 0%, rgba(255, 90, 54, .18), transparent 62%),
    linear-gradient(160deg, var(--ink-2), var(--ink-3));
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.8vw, 23px);
  color: var(--white);
}

.page-faq .faq-cta__text {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cyan-soft);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4.4vw, 68px);
    align-items: start;
  }

  .page-faq .faq-index__inner {
    position: sticky;
    top: var(--faq-anchor);
  }

  .page-faq .faq-item__body {
    padding-left: 46px;
  }

  .page-faq .faq-copyline {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-stream {
    display: grid;
    gap: clamp(30px, 4vw, 52px);
  }

  .page-faq .faq-stream > .faq-group,
  .page-faq .faq-stream > .faq-figure,
  .page-faq .faq-stream > .faq-cta {
    margin-bottom: 0;
  }

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

  .page-faq .faq-item[open] {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__sign,
  .page-faq .faq-index__link,
  .page-faq .faq-inline-link {
    transition: none;
  }
}