*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --blue:       #4A7FD4;
      --blue-dark:  #3565B8;
      --blue-light: #EAF0FB;
      --blush:      #F5A8C4;
      --blush-light:#FEF0F6;
      --cream:      #FDF8F4;
      --warm-grey:  #F5F3F0;
      --text:       #1E1E2E;
      --text-mid:   #4A4A60;
      --text-light: #8888A0;
      --white:      #FFFFFF;
      --radius:     14px;
      --shadow:     0 4px 20px rgba(74,127,212,0.10);
      --shadow-hover: 0 12px 36px rgba(74,127,212,0.18);
      --font-display: 'Playfair Display', Georgia, serif;
      --font-body:    'Inter', system-ui, sans-serif;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-body);
      color: var(--text);
      background: var(--white);
      line-height: 1.65;
      font-size: 16px;
    }

    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }

    .container {
      width: 100%;
      max-width: 760px;
      margin-inline: auto;
      padding-inline: 20px;
    }

    .nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid #EDEDF5;
    }

    .nav__inner {
      max-width: 1120px;
      margin-inline: auto;
      padding-inline: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }

    .nav__brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-display);
      font-size: 1.15rem;
      font-weight: 600;
      color: var(--text);
    }

    .nav__brand img {
      width: 38px;
      height: 38px;
      border-radius: 8px;
    }

    .nav__links {
      display: flex;
      list-style: none;
      gap: 32px;
    }

    .nav__links a {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-mid);
      transition: color 0.2s;
    }

    .nav__links a:hover,
    .nav__links a.is-active { color: var(--blue); }

    .nav__toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 4px;
      flex-direction: column;
      gap: 5px;
    }

    .nav__toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: all 0.3s;
    }

    .article-header {
      background: linear-gradient(135deg, var(--blue-light) 0%, var(--blush-light) 100%);
      padding: 48px 0 40px;
      text-align: center;
    }

    .article-header__meta {
      display: flex;
      justify-content: center;
      gap: 10px;
      align-items: center;
      margin-bottom: 18px;
    }

    .article-header__category {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--blue);
      background: rgba(74,127,212,0.1);
      padding: 5px 14px;
      border-radius: 20px;
    }

    .article-header__date {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .article-header h1 {
      font-family: var(--font-display);
      font-size: clamp(1.7rem, 4vw, 2.5rem);
      font-weight: 700;
      color: var(--text);
      line-height: 1.25;
      max-width: 680px;
      margin-inline: auto;
    }

    .article {
      padding: 48px 0 24px;
    }

    .article h2 {
      font-family: var(--font-display);
      font-size: 1.4rem;
      font-weight: 600;
      color: var(--text);
      margin: 40px 0 16px;
    }

    .article h2:first-child { margin-top: 0; }

    .article p {
      color: var(--text-mid);
      font-size: 1rem;
      margin-bottom: 16px;
    }

    .article ul, .article ol {
      color: var(--text-mid);
      font-size: 1rem;
      margin: 0 0 20px 20px;
    }

    .article li { margin-bottom: 8px; }

    .answer-box {
      background: var(--cream);
      border-left: 4px solid var(--blush);
      border-radius: var(--radius);
      padding: 20px 24px;
      margin: 8px 0 32px;
    }

    .answer-box p {
      color: var(--text);
      font-size: 1.02rem;
      font-weight: 500;
      margin-bottom: 0;
    }

    .article p a, .article li a {
      color: var(--blue);
      text-decoration: underline;
      text-decoration-color: rgba(74,127,212,0.35);
      text-underline-offset: 2px;
    }

    .article p a:hover, .article li a:hover {
      text-decoration-color: var(--blue);
    }

    .faq-item {
      border-bottom: 1px solid #EDEDF5;
      padding: 20px 0;
    }

    .faq-item:first-child { border-top: 1px solid #EDEDF5; }

    .faq-item h3 {
      font-family: var(--font-display);
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }

    .faq-item p {
      color: var(--text-mid);
      font-size: 0.95rem;
      margin-bottom: 0;
    }

    .related {
      background: var(--warm-grey);
      border-radius: var(--radius);
      padding: 28px;
      margin: 40px 0;
      display: grid;
      grid-template-columns: 120px 1fr;
      gap: 20px;
      align-items: center;
    }

    .related__img-wrap img {
      border-radius: 10px;
      box-shadow: var(--shadow);
    }

    .related__text p {
      color: var(--text-mid);
      font-size: 0.92rem;
      margin-bottom: 12px;
    }

    .related__text h3 {
      font-family: var(--font-display);
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text);
    }

    .related__actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 40px;
      font-size: 0.86rem;
      font-weight: 600;
      transition: all 0.22s;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: var(--blue);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--blue-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(74,127,212,0.35);
    }

    .btn-secondary {
      background: transparent;
      border: 1px solid var(--blue);
      color: var(--blue);
    }

    .btn-secondary:hover {
      background: var(--blue-light);
    }

    .article-footer {
      padding: 24px 0 64px;
      border-top: 1px solid #EDEDF5;
      margin-top: 16px;
    }

    .article-footer p {
      color: var(--text-light);
      font-size: 0.88rem;
    }

    .back-link {
      display: inline-block;
      margin-top: 12px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--blue);
    }

    .footer {
      background: var(--text);
      color: rgba(255,255,255,0.6);
      text-align: center;
      padding: 28px 20px;
      font-size: 0.84rem;
    }

    .footer a { color: rgba(255,255,255,0.8); }

    @media (max-width: 680px) {
      .nav__toggle { display: flex; }

      .nav__links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid #EDEDF5;
        box-shadow: 0 8px 24px rgba(0,0,0,0.08);
      }

      .nav__links.is-open { display: flex; }

      .nav__links li a {
        display: block;
        padding: 16px 24px;
        border-bottom: 1px solid #EDEDF5;
        font-size: 1rem;
      }

      .related {
        grid-template-columns: 1fr;
        text-align: center;
      }

      .related__img-wrap { justify-self: center; }
      .related__actions { justify-content: center; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { transition: none !important; }
    }
  

    .article blockquote {
      border-left: 3px solid var(--blush);
      padding: 4px 0 4px 18px;
      margin: 0 0 20px;
      color: var(--text-mid);
      font-style: italic;
    }

    .article img { height: auto; }
    .related__img-wrap img { width: 120px; }