nav,section{background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.1)}a,nav a{color:#2980b9;text-decoration:none}.share-btn,a,nav a,nav a:hover{text-decoration:none}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333;margin:0;padding:0;background-color:#f4f4f9}code,code.toolbar{font-family:'Courier New',Courier,monospace}header,nav a.back-link{color:#fff;text-align:center}header{background-color:#2c3e50;background-image:url('../../manual/hero.jpg');background-size:cover;background-position:center;padding:7rem 2rem}header h1{text-shadow:4px 4px 6px rgba(0,0,0,.9)}header p{text-shadow:2px 2px 4px rgba(0,0,0,.9)}.manual-wrapper{display:flex;max-width:1480px;margin:20px auto;gap:20px;padding:0 20px;align-items:flex-start}nav{flex:0 0 227px;padding:15px;position:sticky;top:20px;height:calc(100dvh - 70px);overflow-y:auto;border-radius:8px;display:flex;flex-direction:column}.search-container{padding:5px 10px 15px}#nav-search{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;box-sizing:border-box}nav a{display:block;padding:8px 15px;font-weight:700;border-bottom:1px solid #f0f0f0;transition:background .2s}nav a:hover{background:#f0f7ff}nav a.back-link{margin-top:auto;background:#2c3e50;border-bottom:none;border-radius:4px}main{flex:1;min-width:0}section{padding:20px;margin-bottom:20px;border-radius:8px}h2{color:#2c3e50;border-bottom:2px solid #3498db;padding-bottom:10px}section>h2:first-child{margin-top:0}h3{color:#e67e22}code{background:#eee;padding:2px 5px;border-radius:3px}.shortcut-table{width:100%;border-collapse:collapse;margin:20px 0}.shortcut-table td,.shortcut-table th{border:1px solid #ddd;padding:12px;text-align:left}#back-to-top,.share-btn{color:#fff;border-radius:50%;transition:.3s}footer,p.text-center{text-align:center}.shortcut-table th{background-color:#3498db;color:#fff}.note-box{background-color:#fff3cd;border-left:5px solid #ffecb5;padding:15px;margin:10px 0}footer{font-size:.9em;color:#7f8c8d;margin-top:40px}a:hover{text-decoration:underline}.share-title{margin-bottom:10px;font-weight:600}.social-share-buttons{display:flex;justify-content:center;gap:15px}.share-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background-color:#ddd}.share-btn svg{width:24px;height:24px}.share-btn:hover{transform:translateY(-3px)}.share-btn.facebook{background-color:#3b5998}.share-btn.facebook:hover{background-color:#2d4373}.share-btn.twitter{background-color:#1da1f2}.share-btn.twitter:hover{background-color:#0c85d0}.share-btn.linkedin{background-color:#0077b5;color:#fff}.share-btn.linkedin:hover{background-color:#005582}.share-btn.whatsapp{background-color:#25d366;color:#fff}.share-btn.whatsapp:hover{background-color:#128c7e}code.toolbar{background:#eee;padding:6px 8px;border-radius:4px;display:inline-block;line-height:1;vertical-align:baseline;height:33px;box-sizing:border-box}code.toolbar input[type=range]{height:6px;vertical-align:middle}.manual-image{max-width:100%;height:auto;display:block;margin:20px auto;border-radius:8px;box-shadow:0 4px 10px rgba(0,0,0,.2)}p.image-description{margin-top:-16px;font-weight:700}#back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background-color:#3498db;display:none;align-items:center;justify-content:center;box-shadow:0 4px 15px rgba(0,0,0,.3);z-index:9999;cursor:pointer}#back-to-top:hover{background-color:#2980b9;transform:scale(1.1)}@media (max-width:900px){.manual-wrapper{flex-direction:column}nav{flex:none;position:relative;top:0;height:auto;width:100%;box-sizing:border-box}#back-to-top.visible{display:flex}}