body{margin:0;padding:0;font-family:'Helvetica Neue',Arial,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}nav{width:100%;background:linear-gradient(135deg,#ff7e5f,#feb47b);display:flex;align-items:center;padding:10px 20px;position:fixed;top:0;left:0;z-index:1000;box-shadow:0 4px 6px rgba(0,0,0,0.1)}nav .logo{margin-right:20px}nav .logo img{width:40px;height:40px}nav ul{list-style:none;display:flex;margin:0;padding:0}nav ul li{margin-right:30px}nav ul li a{text-decoration:none;color:#fff;font-size:16px;transition:color 0.3s ease}nav ul li a:hover{color:#333}@media (max-width:768px){nav ul{display:none}}#brandInfoTable{max-width:960px;margin:100px auto 40px;background:rgba(255,255,255,0.9);border-collapse:collapse;box-shadow:0 4px 8px rgba(0,0,0,0.1)}#brandInfoTable th{white-space:nowrap;text-align:left;padding:12px;background:#ffefd5;border-bottom:2px solid #ffdab9;font-size:16px}#brandInfoTable td{white-space:normal;word-wrap:break-word;padding:12px;border-bottom:1px solid #ffe4b5;font-size:15px}table.special-table{width:100%;border:1px solid #ffdab9;border-radius:8px;overflow:hidden;background:rgba(255,250,240,0.95)}table.special-table th,table.special-table td{padding:10px;border:1px solid #ffdab9}ul.custom-list{list-style-type:disc;padding-left:20px;background:rgba(255,245,238,0.95);border-radius:8px;padding:15px}article{max-width:960px;margin:0 auto;padding:20px}section{background:rgba(255,255,255,0.95);margin-bottom:30px;padding:20px;border-radius:10px;box-shadow:0 2px 4px rgba(0,0,0,0.1);transition:background 0.3s ease}section:hover{background:rgba(255,245,238,0.95)}section h2{font-size:18px;margin-bottom:15px;color:#ff7e5f;position:relative;padding-left:10px}section h2::before{content:'';position:absolute;left:0;top:50%;width:5px;height:50%;background:linear-gradient(135deg,#ff7e5f,#feb47b);transform:translateY(-50%);border-radius:2px}section p{font-size:16px;margin-bottom:15px;color:#555}.section-image{display:block;max-width:90%;width:700px;margin:20px auto;border-radius:10px;box-shadow:0 4px 8px rgba(0,0,0,0.1);transition:transform 0.3s ease,box-shadow 0.3s ease}.section-image:hover{transform:scale(1.05);box-shadow:0 6px 12px rgba(0,0,0,0.15)}#brand-product-list{display:flex;flex-wrap:wrap;justify-content:center;background:rgba(255,250,240,0.95);padding:20px;border-radius:10px;max-width:960px;margin:30px auto;list-style:none}#brand-product-list li{width:22%;margin:1%;background:#fff;border:1px solid #ffdab9;border-radius:8px;overflow:hidden;transition:transform 0.3s ease,box-shadow 0.3s ease}#brand-product-list li:hover{transform:translateY(-5px);box-shadow:0 4px 12px rgba(0,0,0,0.1)}#brand-product-list .product-image img{width:100%;height:auto;display:block}#brand-product-list .product-name{padding:10px;text-align:center;font-size:14px;color:#333}#brand-related-list{max-width:960px;margin:30px auto;background:rgba(255,250,240,0.95);border-collapse:collapse;width:100%;border:1px solid #ffdab9;border-radius:8px;overflow:hidden}#brand-related-list caption{caption-side:top;text-align:left;font-size:18px;color:#ff7e5f;padding:10px;background:#ffefd5}#brand-related-list th,#brand-related-list td{padding:12px;border:1px solid #ffdab9;font-size:15px;text-align:left}#brand-related-list th{background:#ffdab9}.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:linear-gradient(135deg,#ff7e5f,#feb47b);border:none;border-radius:5px;color:#fff;text-decoration:none;font-size:16px;cursor:pointer;transition:background 0.3s ease}.brand-feedback .btn:hover{background:linear-gradient(135deg,#feb47b,#ff7e5f)}.brand-feedback img{margin-right:8px}section{position:relative}.chapter-nav{position:fixed;top:60px;right:20px;background:rgba(255,255,255,0.95);padding:10px 15px;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,0.1)}.chapter-nav ul{list-style:none;padding:0;margin:0}.chapter-nav ul li{margin-bottom:10px}.chapter-nav ul li a{text-decoration:none;color:#ff7e5f;font-size:14px;transition:color 0.3s ease}.chapter-nav ul li a:hover{color:#333}html{scroll-behavior:smooth}