/* 自定义全局样式 */
body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* 容器样式 */
.container-fluid {
    padding: 20px;
}

/* 图片样式 */
.img-fluid {
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    border-radius: 12px;
}

.img-fluid:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3) !important;
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border: none;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.4);
    width: 66.67%; /* 海报宽度的2/3 */
    max-width: 400px;
    min-width: 200px;
    display: inline-block;
    margin: 0 auto;
    box-sizing: border-box;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(79, 172, 254, 0.6);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79, 172, 254, 0.5);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container-fluid {
        padding: 15px;
    }
    
    .btn-primary {
        padding: 12px 30px;
        font-size: 16px;
        width: 70%; /* 稍微增加移动端按钮宽度 */
    }
    
    .img-fluid {
        max-width: 95%; /* 图片在移动端稍微缩小，留出边距 */
    }
}

@media (max-width: 480px) {
    .btn-primary {
        padding: 12px 25px;
        font-size: 14px;
        width: 75%; /* 进一步增加小屏手机按钮宽度 */
        min-width: 180px;
    }
    
    .img-fluid {
        max-width: 98%; /* 小屏手机图片更贴近屏幕 */
    }
}

/* 页脚信息样式 */
.footer-info {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ICP备案超链接样式 */
.footer-info a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.footer-info a:hover {
    color: #ffffff;
    border-bottom-color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.footer-info p {
    margin-bottom: 8px;
}

/* 页脚响应式设计 */
@media (max-width: 768px) {
    .footer-info {
        font-size: 12px;
        padding: 15px;
        margin-top: 20px;
    }
    
    .footer-info p {
        margin-bottom: 6px;
    }
}

@media (max-width: 480px) {
    .footer-info {
        font-size: 11px;
        padding: 12px;
        line-height: 1.6;
    }
}