.article-card {
      max-width: 100%;
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(10px);
      border-radius: 16px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.3);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.1);
margin: 10px auto;
    }

    .header {
      background: #e74c3c;
      color: white;
      padding: 30px;
      text-align: center;
      position: relative;
    }

    .header h1 {
      font-size: 2.4rem;
      margin: 0;
      letter-spacing: 1px;
      text-transform: uppercase;
      line-height: 1.2;
    }

    .byline {
      margin-top: 15px;
      font-style: italic;
      opacity: 0.9;
    }

    .content {
      padding: 25px;
      font-size: 1.05rem;
      line-height: 1.7;
    }

    .intro-quote {
      background: #fffde7;
      color: #333;
      padding: 20px;
      border-left: 4px solid #ffeb3b;
      margin: 20px 0;
      font-style: italic;
      border-radius: 0 8px 8px 0;
    }

    .expert-box {
      background: #fff;
      padding: 15px;
      border-radius: 8px;
      margin: 25px 0;
      font-size: 0.95rem;
    }

    .expert-name {
      font-weight: bold;
      color: #ffd700;
    }

    @media (max-width: 768px) {
      .article-card { margin: 0px; }
      .header h1 { font-size: 1.8rem; }
      .content { font-size: 1rem; }
    }
.guide-card {
      max-width: 100%;
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(10px);
      border-radius: 16px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.3);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.1);
      margin: 10px auto;
    }

    .header {
      background: #e74c3c;
      color: white;
      padding: 30px;
      text-align: center;
    }

    .header h1 {
      font-size: 2rem;
      margin: 0;
      letter-spacing: 1px;
      text-transform: uppercase;
      line-height: 1.2;
    }

    .reason {
      padding: 25px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .reason:last-child {
      border-bottom: none;
    }

    .reason-title {
      font-size: 1.4rem;
      color: #cc7e10;
      margin: 0 0 15px 0;
      font-weight: bold;
    }

    .quote {
      background: #fffde7;
      color: #333;
      padding: 15px;
      border-left: 4px solid #ffeb3b;
      margin: 15px 0;
      font-style: italic;
      border-radius: 0 8px 8px 0;
    }

    .exercise-list {
      margin-top: 15px;
      padding-left: 20px;
    }

    .exercise-list li {
      margin-bottom: 8px;
    }

    .expert-note {
      background: #3498db;
      color: white;
      padding: 12px;
      border-radius: 8px;
      margin-top: 15px;
      font-weight: bold;
    }

    @media (max-width: 768px) {
      .guide-card { margin: 0px; }
      .header h1 { font-size: 1.6rem; }
      .reason-title { font-size: 1.2rem; }
    }