/* 全局字体设置 */
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #4a5568; /* 深灰文字，比纯黑更柔和 */
    background-color: #f8f9fa;
}

/* 导航栏玻璃拟态效果 */
.glass-nav {
    background: rgba(255, 255, 255, 0.95); /* 稍微增加不透明度 */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

/* 渐变文字效果 */
.text-gradient {
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero区域背景 */
.hero-section {
    min-height: 80vh; 
    padding-top: 80px;
    background: radial-gradient(circle at top right, #f3f5ff 0%, #ffffff 50%);
    position: relative;
    overflow: hidden;
}

/* 背景装饰网格 */
.hero-section::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: 
        linear-gradient(#e9ecef 1px, transparent 1px),
        linear-gradient(90deg, #e9ecef 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.4;
    z-index: -1;
}

/* 通用间距 */
.py-6 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

/* 浅色背景块 */
.bg-surface-secondary {
    background-color: #f8f9fc;
}

/* 按钮悬停上浮效果 */
.hover-lift {
    transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(13, 110, 253, 0.15) !important;
}

/* 功能卡片样式 */
.feature-card {
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.08) !important;
    border-color: #0d6efd !important;
}

.icon-shape {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 联系区域链接样式 */
.contact-link {
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
    z-index: 10; /* 再次确保可点击 */
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    transform: translateX(5px);
}

.icon-box {
    width: 48px;
    height: 48px;
    min-width: 48px;
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .hero-section {
        text-align: center;
        padding-top: 100px;
    }
}