/**
 * faq-accordion block styles
 */

@layer mm-block {
  .mm-x-faq-list {
    margin-top: 28px;
    display: grid;
    gap: 10px;
  }

  .mm-x-faq-list details {
    border: 1px solid var(--mmx-line);
    border-radius: var(--mmx-radius);
    background: var(--mmx-white);
    padding: 0;
  }

  /* ── Accordion summary with animated chevron — full-row clickable ── */
  .mm-x-faq-list details summary {
    cursor: pointer;
    font-weight: 900;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 18px;
    user-select: none;
    -webkit-user-select: none;
  }

  .mm-x-faq-list details summary::-webkit-details-marker {
    display: none;
  }

  .mm-x-faq-list details summary::after {
    content: "";
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    margin-left: 14px;
    background: currentColor;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;
    transition: transform 0.35s ease;
    opacity: 0.4;
  }

  .mm-x-faq-list details[open] > summary::after {
    transform: rotate(180deg);
  }

  /* ── Answer animation wrapper ── */
  .mm-x-faq-list details .mm-x-faq-answer {
    overflow: hidden;
  }

  .mm-x-faq-list details .mm-x-faq-answer-inner {
    padding: 0 18px 16px;
  }

  .mm-x-faq-list details.mm-x-faq-opening .mm-x-faq-answer,
  .mm-x-faq-list details.mm-x-faq-closing .mm-x-faq-answer {
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .mm-x-faq-list details p {
    color: var(--mmx-muted);
    margin-bottom: 0;
  }

  .mm-x-faq-list details p:first-child {
    margin-top: 0;
  }

  .mm-x-faq {
    background: var(--mmx-dark);
    color: #fff;
  }

  .mm-x-accordion {
    display: grid;
    gap: 12px;
    margin-top: 34px;
  }

  /* ── Homepage dark-band variant ── */
  .home .mm-x-faq-list details {
    border: 1px solid rgba(255,255,255,.14);
    border-radius: var(--mmx-radius);
    background: rgba(255,255,255,.04);
    padding: 0;
  }

  .home .mm-x-faq-list summary {
    padding: 20px 22px;
    font-weight: 800;
    cursor: pointer;
    /* Chevron visible on dark bg */
    color: #fff;
  }

  .home .mm-x-faq-list summary::after {
    opacity: 0.6;
  }

  .home .mm-x-faq-list details .mm-x-faq-answer-inner {
    padding: 0 22px 22px;
  }

  .home .mm-x-faq-list details p {
    margin: 0;
    color: #d5d9df;
  }

  .mm-x-faq-quote {
    background: #fff;
  }

  .mm-x-faq-quote-grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(360px, 1fr);
    gap: 34px;
    align-items: start;
  }

  /* 卡片框架/面板框架已上收 style-index-ext.css [shared] 段(通用卡片权威) */

  .mm-x-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 28px;
  }

  .mm-x-faq-groups {
    display: grid;
    gap: 34px;
    margin-top: 30px;
  }

  .mm-x-faq-group-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 12px;
    padding-left: 14px;
    border-left: 4px solid var(--mmx-red);
    font-size: 22px;
    line-height: 1.2;
  }

  .home .mm-x-faq-group-title { border-left-color: var(--mmx-orange); }

  .mm-x-faq-group-count {
    display: inline-grid;
    place-items: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--mmx-soft);
    color: var(--mmx-muted);
    font-size: 12px;
    font-weight: 800;
  }

  .mm-x-faq-group-desc {
    margin: 0 0 14px;
    color: var(--mmx-muted);
    font-size: 15px;
  }
}

@layer mm-responsive {
  /* ── Responsive ───────────────────────────────────────────────────── */
  @media (max-width: 640px) {
    .mm-x-faq-list details summary {
      padding: 14px 16px;
    }
    .mm-x-faq-list details .mm-x-faq-answer-inner {
      padding: 0 16px 14px;
    }
    .home .mm-x-faq-list summary {
      padding: 16px 18px;
    }
    .home .mm-x-faq-list details .mm-x-faq-answer-inner {
      padding: 0 18px 18px;
    }
    .mm-x-faq-group-title {
      font-size: 19px;
      padding-left: 10px;
    }
  }
}