/* CSSVariantEngine v3.0 — vip-mkty.com.cn */
/* Palette: cool slate | Radius: compact | Shadow: multi-layer gradient | Spacing: dense | Transition: smooth 0.5s */
/* Section layouts: {"news":"featured-top","features":"grid-4","hero":"minimal","testimonials":"grid-3","partners":"grid-6","faq":"two-column","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #1d4ed8;
    --color-accent: #60a5fa;
    --color-surface: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    --color-text: #1e293b;
    --rgb-primary: 59,130,246;
    --rgb-accent: 96,165,250;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 3px 0 rgba(30, 41, 59, 0.12), 0 1px 2px -1px rgba(30, 41, 59, 0.06);
    --shadow-md: 0 4px 8px -2px rgba(30, 41, 59, 0.15), 0 2px 6px -3px rgba(59, 130, 246, 0.12), 0 0 12px -2px rgba(59, 130, 246, 0.08);
    --shadow-lg: 0 10px 20px -4px rgba(30, 41, 59, 0.2), 0 6px 12px -5px rgba(59, 130, 246, 0.15), 0 0 25px -6px rgba(59, 130, 246, 0.12);
    --space-section: 3.2rem;
    --space-card: 1.2rem;
    --space-gap: 0.9rem;
    --transition: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { 
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #f1f5f9; 
    line-height: var(--body-line-height); 
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { 
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition); 
}
.btn, button[class*="btn"], a[class*="btn"] { 
    background: linear-gradient(90deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    color: white;
    border-radius: var(--radius-md); 
    transition: var(--transition); 
}
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

/* ========== Section Layout Variants ========== */

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: card-style */
.cta-inner { 
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 40%, #0ea5e9 100%);
    color: white;
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center; 
    box-shadow: var(--shadow-lg);
}

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: #93c5fd; text-shadow: 0 0 8px rgba(96, 165, 250, 0.4); }
.card { 
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(96, 165, 250, 0.08) 100%) 1;
}
header, .header, .navbar { 
    background: linear-gradient(90deg, rgba(30, 41, 59, 0.92) 0%, rgba(51, 65, 85, 0.88) 100%); 
    backdrop-filter: blur(10px);
}

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
}
@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.7rem; }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
}