/* 页面样式 */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--blue-main:#004EA2;--green-sub:#6DBB4F;--blue-light:#1a8eff;--dark-bg:#051d3b;--dark-sec:#07284f;--text-white:#fff;--text-desc:#e0eafc;--card-bg:rgba(255,255,255,0.06)}
        body{font-family:"Microsoft YaHei",Arial,sans-serif;background:linear-gradient(135deg,var(--dark-bg)0%,var(--dark-sec)100%);color:var(--text-white);line-height:1.7;padding:30px 15px}
        .container{max-width:1200px;margin:0 auto;width:100%}

/* 网站链接 */
        a {color: blue; /* 未访问链接颜色 */}
        a:visited {color: green; /* 已访问链接颜色 */}
        a:hover {color: red; /* 鼠标悬停时的链接颜色 */}
        a:active {color: purple; /* 激活（点击后）的链接颜色 */}

/* 头部 */
        .header{text-align:center;margin-bottom:0px}
        .header h1{font-size:26px;color:var(--blue-light);margin-bottom:15px;line-height:1.4}
        .header p{font-size:16px;color:var(--text-desc);max-width:900px;margin:0 auto}
        
/* 板块标题 */
        .section-title{text-align:center;margin:45px 0 25px;font-size:24px;font-weight: 700;color:var(--blue-light);position:relative;margin-top: 66px}
        .section-title::after{content:"";width:60px;height:3px;background:var(--blue-light);display:block;margin:10px auto 0;border-radius:2px}
        
/* 网格布局 */
        .grid-box{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
        
/* 卡片样式 */
        .card{background:var(--card-bg);border:1px solid rgba(26,142,255,0.25);border-radius:14px;padding:25px 20px;transition:.3s;backdrop-filter:blur(10px);height:100%}
        .card:hover{transform:translateY(-6px);border-color:var(--blue-main);background:rgba(0,78,162,0.12)}
        .card .icon{width:46px;height:46px;background:var(--blue-main);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:18px}
        .card .icon.green{background:var(--green-sub)}
        .card h3{font-size:17px;color:var(--text-white);margin-bottom:10px}
        .card p{font-size:14px;color:var(--text-desc)}
        
/* 关于我们 */
        .intro{background:rgba(255,255,255,0.04);border-radius:14px;padding:35px 30px;border-left:4px solid var(--blue-main);border-right:4px solid var(--blue-main)}
        .intro h2{color:var(--blue-light);margin-bottom:20px;font-size:22px;position:relative}
        .intro h2::after{content:'';width:40px;height:2px;background:var(--blue-light);display:block;margin-top:8px;border-radius:1px}
        .intro p{color:var(--text-desc);font-size:15px;margin-bottom:12px;line-height:1.8}
        .intro-tags,.tag-group{display:flex;flex-wrap:wrap;gap:10px}
        .intro-tags{margin-top:20px}
        .tag-group{margin-top:15px;justify-content:center}
        .intro-tag,.tag{padding:6px 14px;background:rgba(26,142,255,0.15);color:var(--blue-light);border-radius:30px;font-size:13px}
        .intro-tag.green,.tag.green{background:rgba(109,187,79,0.15);color:var(--green-sub)}
        
/* 联系板块 */
        .contact{background:rgba(255,255,255,0.05);border-radius:16px;padding:40px;border:1px solid rgba(26,142,255,0.2);display:flex;align-items:center;gap:40px;margin-top:20px;margin-bottom: 26px}
        .contact-left{flex:1.2}
        .contact-left h2{color:var(--blue-light);margin-bottom:20px;font-size:24px}
        .contact-list{list-style:none;margin-bottom:25px}
        .contact-list li{font-size:16px;color:var(--text-desc);margin-bottom:12px;display:flex;align-items:center;gap:10px}
        .contact-tags{display:flex;flex-wrap:wrap;gap:10px}
        .contact-tag{padding:6px 14px;background:rgba(109,187,79,0.15);color:var(--green-sub);border-radius:30px;font-size:14px}
        .contact-right{flex:1;display:flex;align-items:center;justify-content:center}
        .contact-icon-box{width:500px;height:300px;background:url(../images/last.PNG) no-repeat;border-radius:20px;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#fff;font-size:22px;font-weight:700;box-shadow:0 8px 24px rgba(0,78,162,0.2)}
        .contact-icon-box span{font-size:16px;margin-top:8px;opacity:.9}
        
/* 响应式布局 */
        @media (max-width:992px){
            .grid-box{grid-template-columns:repeat(2,1fr);gap:18px}
            .header h1{font-size:24px}
            .contact,.intro{padding:30px 25px;flex-direction:column;gap:30px}
        }
        @media (max-width:576px){
            body{padding:20px 12px}
            .grid-box{grid-template-columns:1fr;gap:16px}
            .header h1,.section-title{font-size:22px}
            .section-title{margin:35px 0 20px}
            .card,.intro{padding:25px 20px}
            .contact-icon-box{width:150px;height:150px}
        }