/* Tailwind 配置和自定义工具类 */
@layer utilities {
    .text-shadow {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    .bg-gradient-blue {
        background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    }
    .transition-all-300 {
        transition: all 0.3s ease;
    }
}

/* 自定义样式 */
html {
    scroll-behavior: smooth;
}

.hero-section {
    background-image: url('https://p3-flow-imagex-sign.byteimg.com/tos-cn-i-a9rns2rl98/rc/pc/super_tool/f5095bc84afd4aa9bcc0e2a08569a856~tplv-a9rns2rl98-image.image?rcl=202510032103425F64CB67B00A4450560A&rk3s=8e244e95&rrcfp=f06b921b&x-expires=1762088661&x-signature=eUYl06v46x7zZCEVkkI4xfwBToE%3D');
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.9));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.feature-card {
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.1), 0 8px 10px -6px rgba(59, 130, 246, 0.1);
}

.备案信息 {
    font-size: 0.875rem;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    border-top: 1px solid #e2e8f0;
}