/* 静态介绍页（联系我们、关于我们、产品特性、设备系统）统一的顶部与底部风格 */

/* 顶部 Hero - 与注册页一致 */
.static-hero {
    position: relative;
    padding: 100px 0 80px;
    margin-top: 70px;
    min-height: 260px;
    overflow: hidden;
    background: #0f0f23;
}

.static-hero-bg {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 0;
}

.static-hero-gradient {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 40%, #2d1b4e 70%, #1e1e3a 100%);
}

.static-hero-mesh {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background-image: 
        radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(245, 158, 11, 0.08) 0px, transparent 50%);
    opacity: 0.9;
}

.static-hero-grid {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.static-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.static-hero-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.static-hero-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 底部 - 与顶部呼应的深色区域 */
.static-footer {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    background: #0f0f23;
}

.static-footer-bg {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 0;
}

.static-footer-gradient {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #1e1e3a 100%);
}

.static-footer-mesh {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background-image: 
        radial-gradient(at 60% 80%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
        radial-gradient(at 20% 20%, rgba(245, 158, 11, 0.06) 0px, transparent 50%);
    opacity: 0.9;
}

.static-footer-grid {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.static-footer-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.static-footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.static-footer-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.static-footer-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.static-footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s;
}

.static-footer-btn.primary {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
}

.static-footer-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    color: white;
}

.static-footer-btn.outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.static-footer-btn.outline:hover {
    border-color: white;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

@media (max-width: 768px) {
    .static-hero { padding: 80px 0 60px; margin-top: 65px; min-height: 220px; }
    .static-footer { padding: 60px 0; }
    .static-footer-actions { flex-direction: column; align-items: center; }
}