body{margin:0;padding:0;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:url('https://images.gptkong.com/cloud/background.png') repeat-y;background-size:100% auto;background-position:top center;color:#333;line-height:1.6;padding:0}nav{width:100%;background:linear-gradient(135deg,#f5f5dc,#fffaf0);box-shadow:0 4px 6px rgba(0,0,0,0.1);position:fixed;top:0;left:0;z-index:1000;display:flex;align-items:center;padding:1px 20px}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:#333;font-size:16px;transition:color 0.3s}nav ul li a:hover{color:#6b8e23}.chapter-nav{position:sticky;top:60px;background:rgba(255,255,255,0.9);padding:10px 20px;box-shadow:0 2px 4px rgba(0,0,0,0.1);z-index:999}.chapter-nav ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center}.chapter-nav ul li{margin:5px 10px}.chapter-nav ul li a{text-decoration:none;color:#333;padding:8px 16px;border-radius:20px;background:linear-gradient(45deg,#faf0e6,#f0fff0);transition:background 0.3s,color 0.3s}.chapter-nav ul li a:hover{background:linear-gradient(45deg,#6b8e23,#f5f5dc);color:#fff}article{max-width:960px;margin:100px auto 20px;padding:20px;background:rgba(255,255,255,0.95);box-shadow:0 4px 8px rgba(0,0,0,0.1);border-radius:10px}section{margin-bottom:40px;padding:20px;background:#fff;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,0.05);transition:background 0.5s}section h2{font-size:24px;margin-bottom:15px;color:#6b8e23;position:relative}section h2::after{content:'';display:block;width:50px;height:3px;background:#6b8e23;margin-top:5px;border-radius:2px}section p{font-size:16px;line-height:1.8;color:#444}#brandInfoTable{max-width:960px;margin:80px auto 40px;background:rgba(255,255,255,0.9);border-collapse:collapse;border-radius:8px;overflow:hidden;box-shadow:0 2px 6px rgba(0,0,0,0.1)}#brandInfoTable th,#brandInfoTable td{padding:12px 15px;border:1px solid #ddd}#brandInfoTable th{white-space:nowrap;text-align:left;background:#f5f5dc;font-weight:bold}#brandInfoTable td{white-space:normal;word-wrap:break-word;background:#fff}.product-table{width:100%;border-collapse:collapse;margin-top:20px}.product-table th,.product-table td{border:1px solid #ddd;padding:8px}.product-table th{background:#faf0e6;text-align:left;white-space:nowrap}.competitive-list{padding-left:20px}.competitive-list li{margin-bottom:10px}#brand-product-list{display:flex;flex-wrap:wrap;justify-content:center;max-width:960px;margin:40px auto;background:#f9f9f9;padding:20px;border-radius:8px}#brand-product-list li{list-style:none;width:220px;margin:10px;background:#fff;border:1px solid #ddd;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px rgba(0,0,0,0.1);transition:transform 0.3s,box-shadow 0.3s}#brand-product-list li:hover{transform:translateY(-5px);box-shadow:0 4px 8px rgba(0,0,0,0.2)}#brand-product-list .product-image img{width:100%;height:auto;display:block;border-bottom:1px solid #ddd}#brand-product-list .product-name{padding:10px;text-align:center;font-size:16px;color:#333}#brand-related-list{max-width:960px;margin:40px auto;border-collapse:collapse;width:100%;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 6px rgba(0,0,0,0.1)}#brand-related-list caption{caption-side:top;font-size:20px;font-weight:bold;padding:10px;background:#f5f5dc;color:#333}#brand-related-list th,#brand-related-list td{padding:12px 15px;border:1px solid #ddd}#brand-related-list th{background:#faf0e6;text-align:left;white-space:nowrap}#brand-related-list td{white-space:normal;word-wrap:break-word;background:#fff}.brand-feedback{max-width:960px;margin:40px auto;display:flex;justify-content:center;gap:20px}.brand-feedback .btn{display:flex;align-items:center;padding:10px 20px;background:#6b8e23;color:#fff;text-decoration:none;border-radius:25px;transition:background 0.3s}.brand-feedback .btn img{margin-right:8px}.brand-feedback .btn:hover{background:#556b2f}#brand-like-count,#brand-dislike-count{margin-left:5px;font-weight:bold}article img{display:block;max-width:90%;width:700px;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}article img:hover{transform:scale(1.05);box-shadow:0 6px 12px rgba(0,0,0,0.2)}@media (max-width:768px){nav ul{display:none}.chapter-nav ul{flex-direction:column;align-items:center}#brand-product-list li,#brand-related-list th,#brand-related-list td{width:100%}article img{max-width:90%;width:100%}}.brand-feedback img{width:20px;min-width:20px;max-width:20px}.brand-feedback{width:200px;margin:10px auto;display:flex}#brandLikeBtn{margin-right:5px}