:root {
      --bg-body: #f4f5f7;
      --bg-card: #ffffff;
      --primary: #0f6cfb;
      --primary-soft: #e5efff;
      --text-main: #222222;
      --text-muted: #777777;
      --border-soft: #e1e4ea;
      --radius-lg: 14px;
      --shadow-soft: 0 12px 30px rgba(15, 25, 40, 0.08);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      padding: 32px 16px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
      background: radial-gradient(circle at top left, #e9f0ff 0, #f4f5f7 45%, #f4f5f7 100%);
      color: var(--text-main);
    }

    .faq-container {
      max-width: 960px;
      margin: 0 auto;
      background: var(--bg-card);
      border-radius: 24px;
      box-shadow: var(--shadow-soft);
      padding: 32px 28px 32px;
      position: relative;
      overflow: hidden;
    }

    .faq-container::before {
      content: "";
      position: absolute;
      inset: -80px auto auto 55%;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(120, 165, 255, 0.45), transparent 60%);
      opacity: 0.6;
      pointer-events: none;
      z-index: -1;
    }

    .faq-header {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 24px;
      align-items: flex-start;
    }

    .faq-title-block {
      max-width: 620px;
    }

    h1 {
      margin: 0 0 6px;
      font-size: 1.9rem;
      letter-spacing: 0.02em;
    }

    .subtitle {
      margin: 0;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 0.72rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-weight: 600;
      margin-bottom: 10px;
    }

    .badge-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
    }

    .faq-meta {
      text-align: right;
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .faq-meta strong {
      color: var(--primary);
    }

    .faq-meta small {
      display: block;
    }

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

    .faq-item {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      background: #ffffff;
      margin-bottom: 10px;
      overflow: hidden;
      transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.12s ease;
    }

    .faq-item.active {
      border-color: rgba(15, 108, 251, 0.35);
      box-shadow: 0 10px 22px rgba(15, 108, 251, 0.12);
      transform: translateY(-1px);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 14px 14px 16px;
      cursor: pointer;
      background: transparent;
      border: none;
      outline: none;
      text-align: left;
      font-size: 0.98rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .faq-question-main {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .faq-label {
      font-size: 0.72rem;
      padding: 2px 8px;
      border-radius: 999px;
      border: 1px solid var(--border-soft);
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .faq-icon {
      width: 22px;
      height: 22px;
      border-radius: 999px;
      border: 1px solid var(--border-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      flex-shrink: 0;
      transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
    }

    .faq-item.active .faq-icon {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
      transform: rotate(90deg);
    }

    .faq-answer-wrapper {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.28s ease;
      border-top: 1px solid rgba(225, 228, 234, 0.7);
      background: linear-gradient(to bottom, #ffffff, #f9fbff);
    }

    .faq-answer {
      padding: 14px 18px 16px;
      font-size: 0.9rem;
      color: #444;
    }

    .faq-answer p {
      margin: 0 0 0.7em;
    }

    .faq-answer ul {
      padding-left: 1.15em;
      margin: 0.2em 0 0.8em;
    }

    .faq-answer li {
      margin-bottom: 0.25em;
    }

    .faq-answer strong {
      color: #222;
    }

    a {
      color: var(--primary);
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    @media (max-width: 640px) {
      body {
        padding: 18px 10px;
      }
      .faq-container {
        padding: 20px 16px 22px;
        border-radius: 18px;
      }
      h1 {
        font-size: 1.5rem;
      }
      .faq-header {
        flex-direction: column;
        align-items: flex-start;
      }
      .faq-meta {
        text-align: left;
      }
    }