.page-faq {
  --faq-answer-bg: var(--chalk-050);
  --faq-answer-ink: var(--chalk-900);
  --faq-answer-link: #0F7A4A;
  --faq-answer-rule: rgba(11, 26, 36, 0.18);
  --faq-indent: 0px;
  position: relative;
  padding-bottom: 40px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 4px;
  max-width: 940px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  left: -40px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 193, 114, 0.18), rgba(22, 193, 114, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(32px, 8.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--chalk-050);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: 18px;
  line-height: 1.75;
  color: var(--mute-400);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.page-faq .faq-jump__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink-600);
  color: var(--chalk-050);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-faq .faq-jump__item:hover {
  border-color: var(--turf-500);
  color: var(--turf-300);
  background: rgba(22, 193, 114, 0.1);
}

.page-faq .faq-jump__item:focus-visible {
  outline: 2px solid var(--turf-500);
  outline-offset: 2px;
}

.page-faq .faq-jump__num {
  font-size: 12px;
  color: var(--signal-500);
}

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  margin-top: 72px;
  scroll-margin-top: calc(var(--topbar-h) + 28px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 24px;
  border-top: 1px dashed var(--ink-600);
}

.page-faq .faq-group__num {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--turf-500);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(24px, 5.4vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--chalk-050);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 64ch;
  font-size: 18px;
  line-height: 1.72;
  color: var(--mute-400);
}

/* ---------- 问答手风琴 ---------- */

.page-faq .accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .accordion__item {
  background: var(--ink-800);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-faq .accordion__item:hover {
  border-color: rgba(22, 193, 114, 0.45);
}

.page-faq .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  color: var(--chalk-050);
  font-family: var(--font-sans);
  font-size: clamp(17px, 3.8vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--turf-500);
  outline-offset: -4px;
  border-radius: var(--radius-lg);
}

.page-faq .accordion__icon {
  flex: 0 0 auto;
  position: relative;
  width: 30px;
  height: 30px;
  margin-top: 2px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--turf-500);
  background: rgba(22, 193, 114, 0.08);
  transition: background-color 0.32s var(--ease), transform 0.32s var(--ease), border-color 0.32s var(--ease);
}

.page-faq .accordion__icon::before,
.page-faq .accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--turf-500);
  transform: translate(-50%, -50%);
  transition: transform 0.32s var(--ease), opacity 0.32s var(--ease);
}

.page-faq .accordion__icon::before {
  width: 12px;
  height: 2px;
}

.page-faq .accordion__icon::after {
  width: 2px;
  height: 12px;
}

.page-faq .accordion__item:hover .accordion__icon {
  background: rgba(22, 193, 114, 0.2);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon {
  background: var(--turf-500);
  transform: rotate(180deg);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  background: var(--ink-950);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .accordion__panel-inner {
  margin: 0 12px 12px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--faq-answer-bg);
  color: var(--faq-answer-ink);
}

.page-faq .accordion__body {
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-answer-ink);
}

.page-faq .accordion__body p {
  margin: 0;
}

.page-faq .accordion__body p + p {
  margin-top: 12px;
}

.page-faq .accordion__body a {
  color: var(--faq-answer-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .accordion__body a:hover {
  color: var(--signal-500);
}

/* 步骤条 */

.page-faq .faq-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15.5px;
  line-height: 1.68;
}

.page-faq .faq-steps__n {
  flex: 0 0 auto;
  min-width: 26px;
  height: 26px;
  margin-top: 2px;
  padding: 0 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--turf-500);
  color: var(--ink-950);
  font-size: 12px;
  font-weight: 700;
}

/* 浅底上的复制按钮 */

.page-faq .accordion__panel-inner .btn--ghost {
  margin-top: 16px;
  padding: 8px 16px;
  font-size: 13px;
  border-color: var(--faq-answer-rule);
  color: var(--faq-answer-ink);
  background: transparent;
}

.page-faq .accordion__panel-inner .btn--ghost:hover {
  border-color: var(--turf-500);
  color: var(--faq-answer-link);
  background: rgba(22, 193, 114, 0.12);
}

.page-faq .accordion__panel-inner .btn--ghost.is-done {
  border-color: var(--signal-500);
  color: var(--signal-500);
}

/* ---------- 配图 ---------- */

.page-faq .figure {
  margin: 36px 0 0;
}

.page-faq .figure__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--ink-600);
  line-height: 0;
}

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

.page-faq .figure--wide .figure__media img {
  aspect-ratio: 3 / 2;
}

.page-faq .figure--square .figure__media img {
  aspect-ratio: 1 / 1;
}

.page-faq .figure__caption {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--mute-400);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-outro {
  margin-top: 80px;
  padding: 32px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ink-600);
  background:
    linear-gradient(135deg, rgba(22, 193, 114, 0.16), rgba(255, 122, 47, 0.1) 78%),
    var(--ink-800);
}

.page-faq .faq-outro__title {
  margin: 0;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--chalk-050);
}

.page-faq .faq-outro__text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--chalk-050);
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 平板 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .accordion__trigger {
    padding: 24px 28px;
  }

  .page-faq .accordion__panel-inner {
    margin: 0 16px 16px;
    padding: 26px 28px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 28px;
  }

  .page-faq .faq-outro {
    padding: 44px 40px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-faq {
    --faq-indent: 112px;
  }

  .page-faq .faq-hero {
    padding-top: 56px;
  }

  .page-faq .faq-group {
    margin-top: 104px;
  }

  .page-faq .faq-group__head {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }

  .page-faq .faq-group__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 10px;
  }

  .page-faq .faq-group__title {
    grid-column: 2;
  }

  .page-faq .faq-group__desc {
    grid-column: 2;
  }

  .page-faq .faq-group > .accordion,
  .page-faq .faq-group > .figure {
    margin-left: var(--faq-indent);
  }

  .page-faq .figure--square {
    max-width: 720px;
  }

  .page-faq .faq-outro {
    margin-left: var(--faq-indent);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-jump {
    gap: 10px;
  }
}

/* ---------- 降低动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__item,
  .page-faq .accordion__icon,
  .page-faq .accordion__icon::before,
  .page-faq .accordion__icon::after,
  .page-faq .faq-jump__item {
    transition: none;
  }

  .page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon {
    transform: none;
  }
}