/* ----- 顶部导航：固定 + 干净阴影 ----- */ .navbar { box-sizing: border-box; background: linear-gradient(180deg, rgba(255,0,0,1.0), rgba(220,0,0,1.0)), url('image/dh.png'); background-blend-mode: overlay;/* 图片和渐变叠加 */ position: fixed; top: 0; left: 0; width: 100%; height: 55px; box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03); border-radius: 5px; display: flex; align-items: center; padding: 0 2rem; z-index: 999; } /* 导航内部容器 —— 让内容居左，但留白舒适 */ .nav-container { display: flex; align-items: center; gap: 0.75rem; /* logo与文字间距 */ text-decoration: none; /* 如果整个区域可点，去掉下划线 */ color: #0f172a; max-width: 1000px; width: 100%; margin: 0 auto; } /* ----- Logo 区域 (纯CSS图形 + 文字) ----- */ .logo { display: flex; align-items: center; justify-content: center; width: 50px; height: 50px; background: #2563eb; /* 干净蓝色 */ border-radius: 10px; /* 圆角柔和 */ color: white; font-weight: 600; font-size: 1.0rem; flex-shrink: 0; /* 防止被压缩 */ box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2); transition: transform 0.15s ease; } .logo img { width:100%; height:100%; } /* 鼠标悬停小动效 (非必须，但增添一点呼吸) */ .logo:hover { transform: scale(1.05); } /* 品牌名称 */ .brand-name { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.01em; color: #ff0; white-space: nowrap; } .brand-desc { font-size: 0.9rem; font-weight: 400; color: #000; margin-left: 0.2rem; letter-spacing: 0.02em; padding-left: 0.75rem; white-space: nowrap; } .nav-spacer { flex: 1; text-align:center; font-size:1.5rem; font-weight:500; color:snow; } .nav-spacer a span{ color:snow; border: 1px solid yellow; padding: 3px 8px; border-radius:5px; background: linear-gradient(to bottom, #d00, #f60); } .nav-spacer a span:hover { color: black; background: linear-gradient(to bottom, #f80, #f00); } .nav-extra { font-size: 1.2rem; color: #ff0; display: flex; align-items: center; gap: 1.5rem; } .nav-extra span { cursor: default; }.divs_center{ margin:60px auto; width:1000px; text-align:center;border:1px solid #ccc;border-radius:5px;}.divs_logo{font-size: 1.2em;font-weight:bold;color:blue;background-image: url(/jxggtu/dbbg.jpg);}.divs_logo img{max-height:100px;}.divs_logo{animation: changes 3s ease-in infinite ; }@keyframes changes { 0%{ text-shadow: 0 0 5px red} 50%{ text-shadow: 0 0 10px gold} 100%{ text-shadow: 0 0 5px blue}} .div_90506_com{ padding: 3px 0px; background-color: green;}
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