.page-faq {
  --faq-gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(26px, 4vw, 48px) clamp(56px, 8vw, 96px);
  color: var(--paper-white);
}

.page-faq .faq-shell {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-shell > * {
  min-width: 0;
}

/* ---------- 左侧问题目录 ---------- */
.page-faq .faq-index {
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  padding-block: 14px;
}

.page-faq .faq-index__eyebrow {
  margin: 0 0 12px;
  color: var(--grey-blue);
}

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

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  color: var(--paper-white);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ochre);
  transition: color var(--ease);
}

.page-faq .faq-index__note {
  display: none;
}

.page-faq .faq-index__note p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--grey-blue);
}

.page-faq .faq-index__cta {
  font-size: 13px;
  font-weight: 700;
  color: var(--ochre);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

@media (hover: hover) {
  .page-faq .faq-index__link:hover {
    background: var(--turquoise);
    border-color: var(--turquoise);
    color: #fff;
  }
  .page-faq .faq-index__link:hover .faq-index__num {
    color: #fff;
  }
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(22px, 3.5vw, 36px);
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.6vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper-white);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 64ch;
  color: var(--grey-blue);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-section {
  padding-top: clamp(34px, 5vw, 60px);
}

.page-faq .faq-section__head {
  max-width: 62ch;
  margin-bottom: 22px;
}

.page-faq .faq-section .section-title {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper-white);
}

.page-faq .faq-section__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--grey-blue);
}

/* ---------- 三步路径 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-faq .step {
  border-top: 1px solid var(--rule-strong);
  padding-top: 16px;
}

.page-faq .step__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--ochre);
}

.page-faq .step__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper-white);
}

.page-faq .step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey-blue);
}

.page-faq .step a,
.page-faq .qa__a a,
.page-faq .faq-contact__note a {
  color: var(--paper-white);
  text-decoration: underline;
  text-decoration-color: var(--ochre);
  text-underline-offset: 3px;
}

.page-faq .step a:hover,
.page-faq .faq-contact__note a:hover {
  color: var(--ochre);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule-strong);
  background: var(--indigo-2);
}

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

.page-faq .qa {
  background: var(--paper);
  color: var(--ink);
  border-left: 3px solid var(--paper-rule);
  border-radius: 2px;
  transition: border-color var(--ease);
}

.page-faq .qa:hover {
  border-left-color: var(--ochre);
}

.page-faq .qa[open] {
  border-left-color: var(--turquoise);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 17px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__marker {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  background: var(--turquoise);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.04em;
  border-radius: 2px;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__chev {
  flex: 0 0 auto;
  width: 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.3;
  color: var(--mist);
}

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

.page-faq .qa[open] .qa__chev::before {
  content: "–";
}

.page-faq .qa[open] .qa__chev {
  color: var(--crimson);
}

.page-faq .qa__a {
  padding: 0 17px 18px 17px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(28, 27, 25, 0.88);
}

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

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

.page-faq .qa__a a {
  color: var(--crimson);
  text-decoration-color: currentColor;
}

.page-faq .qa__a a:hover {
  color: var(--ink);
}

.page-faq .qa__a .tag {
  margin-top: 14px;
}

/* ---------- 控球率并排对照 ---------- */
.page-faq .poss-pair {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.page-faq .poss {
  padding: 18px 18px 20px;
  border-radius: 2px;
  border-top: 4px solid var(--mist);
  background: var(--paper);
  color: var(--ink);
}

.page-faq .poss--new {
  background: var(--paper-white);
  border-top-color: var(--turquoise);
}

.page-faq .poss__label {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .poss--new .poss__label {
  color: var(--turquoise);
}

.page-faq .poss__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-faq .poss__body {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(28, 27, 25, 0.82);
}

.page-faq .poss__fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px dashed var(--paper-rule);
}

.page-faq .poss__field {
  padding: 4px 8px;
  border-radius: 2px;
  background: rgba(28, 27, 25, 0.07);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(28, 27, 25, 0.78);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact__grid {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.page-faq .contact-block {
  padding: 20px;
  background: var(--indigo-2);
  border: 1px solid var(--rule-strong);
  border-top: 4px solid var(--turquoise);
  border-radius: 2px;
}

.page-faq .contact-block--phone {
  border-top-color: var(--ochre);
}

.page-faq .contact-block__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-blue);
}

.page-faq .contact-block__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  letter-spacing: 0.02em;
  color: var(--paper-white);
  overflow-wrap: anywhere;
}

.page-faq .contact-block__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--grey-blue);
}

.page-faq .faq-contact__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--ochre);
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey-blue);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-faq .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

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

  .page-faq .qa__a {
    padding-left: 51px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-shell {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 32px;
    border-bottom: 0;
    border-top: 1px solid var(--rule-strong);
    padding-block: 18px 0;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list li {
    margin-bottom: 2px;
  }

  .page-faq .faq-index__link {
    display: flex;
    gap: 10px;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid var(--rule);
    border-radius: 0;
    white-space: normal;
    font-size: 14px;
    color: var(--grey-blue);
    transition: color var(--ease), border-color var(--ease), padding-left var(--ease);
  }

  .page-faq .faq-index__note {
    display: block;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--rule);
  }

  @media (hover: hover) {
    .page-faq .faq-index__link:hover {
      background: transparent;
      border-left-color: var(--turquoise);
      padding-left: 18px;
      color: var(--paper-white);
    }
    .page-faq .faq-index__link:hover .faq-index__num {
      color: var(--ochre);
    }
  }

  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--ochre);
    color: var(--paper-white);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .faq-index__link,
  .page-faq .faq-index__num {
    transition: none;
  }
}