.manual-content-area{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;max-width:900px;margin:40px auto;padding:0 25px;font-size:1.1rem;line-height:1.8;color:#334155}.manual-content-area h1{font-size:2.2rem;color:#1e293b;margin-bottom:1.5rem;font-weight:800}.manual-content-area h2{font-size:1.6rem;color:#1e293b;margin-top:2.5rem;margin-bottom:1rem;border-left:5px solid #667eea;padding-left:15px}.manual-content-area ul{list-style:none;padding:0;margin:20px 0}.manual-content-area ul li{position:relative;padding-left:35px;margin-bottom:12px}.manual-content-area ul li::before{content:'✔';position:absolute;left:0;top:2px;color:#48bb78;font-weight:700;background:#f0fff4;width:24px;height:24px;border-radius:50%;text-align:center;line-height:24px;font-size:14px}.pro-tip-box{background:#ebf8ff;border-left:5px solid #4299e1;padding:20px;border-radius:8px;margin:25px 0;color:#2c5282}.pro-tip-box strong{display:block;color:#2b6cb0;margin-bottom:5px;font-size:1.2rem}.warning-box{background:#fffaf0;border-left:5px solid #ed8936;padding:20px;border-radius:8px;margin:25px 0;color:#7b341e}.manual-content-area details{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:0;margin-bottom:15px;overflow:hidden;transition:all 0.3s ease}.manual-content-area summary{padding:18px 25px;font-weight:700;cursor:pointer;background:#f8fafc;color:#2d3748;display:flex;justify-content:space-between;align-items:center;list-style:none}.manual-content-area summary::-webkit-details-marker{display:none}.manual-content-area summary::after{content:'+';font-size:1.5rem;color:#667eea;font-weight:400}.manual-content-area details[open] summary{background:#fff;border-bottom:1px solid #edf2f7;color:#667eea}.manual-content-area details[open] summary::after{transform:rotate(45deg)}.manual-content-area details p{padding:20px 25px;margin:0}.page-main-title{font-size:2.2rem;font-weight:800;text-align:center;margin-bottom:20px;color:#1e293b}.seo-badges{display:flex;justify-content:center;gap:15px;flex-wrap:wrap;margin-bottom:30px}.seo-badge{background:#e0e7ff;color:#4338ca;padding:6px 14px;border-radius:50px;font-weight:600;font-size:.9rem;display:flex;align-items:center;gap:6px}.features-grid,.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:20px}.feature-card,.step-card{background:#fff;border:1px solid #e2e8f0;padding:25px;border-radius:16px;text-align:center;transition:transform 0.2s}.feature-card:hover,.step-card:hover{transform:translateY(-5px);border-color:#667eea}.feature-icon svg{width:40px;height:40px;color:#667eea;margin-bottom:15px}.step-number{width:40px;height:40px;background:#667eea;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;margin:0 auto 15px}.related-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px}.related-card{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #cbd5e1;padding:10px 20px;border-radius:50px;color:#0f172a;text-decoration:none;font-weight:700;transition:all 0.2s}.related-card:hover{background:#667eea;color:#fff;border-color:#667eea;transform:translateY(-2px)}