.page-faq {
  --faq-toc-w: 268px;
  --faq-tint: rgba(30, 138, 99, 0.07);
  --faq-hover: rgba(55, 242, 160, 0.10);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 面包屑与页头 */
.page-faq .breadcrumb {
  margin: 20px 0 14px;
}

.page-faq .faq-head {
  padding-bottom: clamp(22px, 4vw, 40px);
  border-bottom: 2px solid var(--deep-pitch);
}

.page-faq .faq-head .kicker {
  color: var(--orange-ink);
}

.page-faq .page-head__title {
  margin: 10px 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--deep-pitch);
}

.page-faq .page-head__lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--graphite);
}

/* 双栏主体 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 48px);
}

/* 左侧问题目录 */
.page-faq .faq-toc {
  border-top: 2px solid var(--deep-pitch);
  padding-top: 14px;
}

.page-faq .faq-toc__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mid-gray);
}

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

.page-faq .faq-toc__list .index-list__item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-toc__list .index-list__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 2px;
  border-left: 2px solid transparent;
  color: var(--charcoal);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-toc__list .index-list__label:hover {
  border-left-color: var(--green);
  background: var(--faq-hover);
  color: var(--blue-ink);
}

.page-faq .faq-toc__list .index-list__label[aria-current="true"] {
  border-left-color: var(--orange);
  color: var(--deep-pitch);
  font-weight: 700;
}

.page-faq .index-list__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-ink);
}

.page-faq .faq-toc__note {
  margin-top: 20px;
}

/* 章节 */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-section {
  padding-top: clamp(18px, 3vw, 30px);
  margin-bottom: clamp(36px, 6vw, 64px);
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-faq .faq-section--tint {
  padding: clamp(20px, 3vw, 32px);
  background: var(--faq-tint);
  border-top-color: var(--deep-pitch);
}

.page-faq .faq-section__head {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-section__idx {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-ink);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  color: var(--deep-pitch);
}

.page-faq .faq-section__lede {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--graphite);
}

/* 问答条目 */
.page-faq .faq-item {
  padding: 16px 0 16px 14px;
  border-left: 2px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  transition: border-left-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--green);
  background: var(--faq-hover);
}

.page-faq .faq-q {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--deep-pitch);
}

.page-faq .faq-q::before {
  content: "Q";
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 0.82em;
  color: var(--orange);
}

.page-faq .faq-a {
  margin: 0;
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-faq .faq-a + .faq-a {
  margin-top: 10px;
}

.page-faq .faq-a abbr[title] {
  border-bottom: 1px dashed var(--blue-ink);
  text-decoration: none;
  cursor: help;
}

.page-faq .link {
  color: var(--blue-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
}

.page-faq .link:hover {
  color: var(--orange-ink);
  border-bottom-color: var(--orange);
}

/* 插图 */
.page-faq .faq-figure {
  margin: clamp(18px, 3vw, 26px) 0;
}

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

.page-faq .media__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--mid-gray);
}

/* 控球率色带 */
.page-faq .band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 2px;
  margin: 18px 0 4px;
}

.page-faq .band__seg {
  padding: 12px 6px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--warm-white);
}

.page-faq .band__seg--a { background: var(--deep-pitch); }
.page-faq .band__seg--b { background: var(--pitch-mid); }
.page-faq .band__seg--c { background: var(--pitch-light); }
.page-faq .band__seg--d { background: var(--blue-ink); }
.page-faq .band__seg--e {
  background: var(--blue);
  color: var(--charcoal);
}

/* 订阅对照表 */
.page-faq .faq-table {
  margin: 0 0 clamp(16px, 2vw, 24px);
  border: 1px solid var(--line-strong);
}

.page-faq .faq-table__caption {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mid-gray);
}

.page-faq .data-table th,
.page-faq .data-table td {
  vertical-align: top;
  line-height: 1.7;
}

/* 结尾行动区 */
.page-faq .faq-cta {
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--orange);
  background: var(--warm-white);
}

.page-faq .faq-cta__text {
  margin: 0 0 16px;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--deep-pitch);
}

/* 中屏起放宽节奏 */
@media (min-width: 768px) {
  .page-faq .faq-item {
    padding: 18px 0 18px 20px;
  }

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

  .page-faq .band__seg {
    font-size: 12px;
    padding: 14px 8px;
  }
}

/* 桌面：左侧目录固定，右侧答案区滚动 */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow: auto;
  }

  .page-faq .faq-item {
    padding-left: 24px;
  }

  .page-faq .faq-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

  .page-faq .faq-cta__text {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-toc__list .index-list__label {
    transition: none;
  }
}