body{margin:0;padding:0;background:url('https://images.gptkong.com/cloud/background.png') repeat-y;background-size:100% auto;background-position:top center;font-family:'Arial',sans-serif;color:#333}nav{display:flex;align-items:center;justify-content:space-between;padding:1px 20px;background:linear-gradient(45deg,#1e90ff,#00ced1);position:fixed;top:0;width:100%;z-index:1000;box-shadow:0 2px 4px rgba(0,0,0,0.1)}nav img{width:40px;height:40px;margin:5px 30px 5px 5px}nav ul{list-style:none;display:flex;margin-right:30px}nav ul li{margin:0 15px}nav ul li a{text-decoration:none;color:#fff;font-size:16px;transition:color 0.3s}nav ul li a:hover{color:#ffd700}@media (max-width:768px){nav ul{display:none}}#brandInfoTable{max-width:960px;margin:80px auto 40px;width:90%;background-color:rgba(255,255,255,0.9);border-collapse:collapse;box-shadow:0 4px 8px rgba(0,0,0,0.1)}#brandInfoTable th,#brandInfoTable td{border:1px solid #ddd;padding:12px 15px}#brandInfoTable th{white-space:nowrap;text-align:left;background-color:#f4f4f4;font-weight:bold}#brandInfoTable td{white-space:normal;word-wrap:break-word}.product-table{max-width:960px;margin:40px auto;width:90%;background-color:rgba(255,255,255,0.95);border-collapse:collapse;box-shadow:0 4px 8px rgba(0,0,0,0.1)}.product-table th,.product-table td{border:1px solid #ddd;padding:12px 15px}.product-table th{background-color:#f9f9f9;text-align:left;font-weight:bold}.product-table td{white-space:normal;word-wrap:break-word}ul{list-style:disc inside;margin:20px 0;padding-left:20px}.chapter-nav{max-width:960px;margin:20px auto;padding:20px;background:linear-gradient(135deg,#ff7e5f,#feb47b);border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,0.1)}.chapter-nav ul{display:flex;flex-wrap:wrap;justify-content:space-around}.chapter-nav ul li{margin:10px}.chapter-nav ul li a{text-decoration:none;color:#fff;font-size:16px;padding:8px 16px;background-color:rgba(0,0,0,0.3);border-radius:4px;transition:background-color 0.3s}.chapter-nav ul li a:hover{background-color:rgba(0,0,0,0.5)}section{max-width:960px;margin:40px auto;padding:20px;background-color:rgba(255,255,255,0.85);border-radius:8px;box-shadow:0 4px 8px rgba(0,0,0,0.05);transition:background-color 0.3s,transform 0.3s}section:hover{transform:translateY(-5px);background-color:rgba(255,255,255,0.95)}section h2{font-size:24px;margin-bottom:15px;color:#1e90ff;position:relative}section h2::after{content:'';width:50px;height:3px;background:linear-gradient(90deg,#ff7e5f,#feb47b);display:block;margin-top:10px;border-radius:2px}section p{font-size:16px;line-height:1.6;color:#333}img{display:block;max-width:900px;width:100%;height:auto;margin:20px auto;border-radius:10px;box-shadow:0 4px 8px rgba(0,0,0,0.1);transition:transform 0.3s,box-shadow 0.3s}img:hover{transform:scale(1.05);box-shadow:0 8px 16px rgba(0,0,0,0.2)}#brand-product-list{max-width:960px;margin:40px auto;display:flex;flex-wrap:wrap;list-style:none;padding:0;background-color:rgba(255,255,255,0.9);border-radius:8px;box-shadow:0 4px 8px rgba(0,0,0,0.1)}#brand-product-list li{width:23%;margin:1%;background-color:#f9f9f9;border-radius:8px;overflow:hidden;transition:transform 0.3s}#brand-product-list li:hover{transform:translateY(-5px)}.product-image img{width:100%;height:auto;display:block}.product-name{padding:10px;text-align:center;font-weight:bold;color:#333}#brand-related-list{max-width:960px;margin:40px auto;width:90%;background-color:rgba(255,255,255,0.95);border-collapse:collapse;box-shadow:0 4px 8px rgba(0,0,0,0.1)}#brand-related-list caption{font-size:20px;font-weight:bold;margin:10px 0;color:#ff7e5f}#brand-related-list th,#brand-related-list td{border:1px solid #ddd;padding:12px 15px;text-align:left}#brand-related-list th{background-color:#f4f4f4;font-weight:bold}.brand-feedback{max-width:960px;margin:40px auto;display:flex;justify-content:center;gap:20px}.brand-feedback .btn{display:flex;align-items:center;background-color:#1e90ff;color:#fff;padding:10px 20px;border:none;border-radius:5px;text-decoration:none;font-size:16px;cursor:pointer;transition:background-color 0.3s}.brand-feedback .btn img{margin-right:8px}.brand-feedback .btn:hover{background-color:#ff7e5f}@keyframes waterWave{0%{background-position:0 0}100%{background-position:1000px 0}}body::before{content:"";position:fixed;top:0;left:0;width:100%;height:200px;background:url('https://images.gptkong.com/brand/b/12715_1.png') repeat-x;background-size:cover;opacity:0.3;animation:waterWave 30s linear infinite;z-index:-1}