/* CSSVariantEngine v3.0 — sq-pgemulator.com.cn */
/* Palette: slate-blue | Radius: soft-rounded | Shadow: multi-layer gradient | Spacing: dense */
/* Transition: smooth long | Section layouts: {"news":"grid-3","features":"grid-3","hero":"split","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-accent: #60a5fa;
    --color-surface: linear-gradient(135deg, #ffffff 0%, #f8fafc 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 rgba(30,41,59,.08), 0 1px 2px rgba(59,130,246,.07);
    --shadow-md: 0 4px 10px rgba(30,41,59,.11), 0 2px 6px rgba(59,130,246,.1);
    --shadow-lg: 0 10px 22px rgba(30,41,59,.14), 0 5px 12px rgba(59,130,246,.16);
    --space-section: 3rem;
    --space-card: 0.85rem;
    --space-gap: 0.9rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #1e293b 0%, #334155 100%) no-repeat min-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);
    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: grid-3 */
/* 三列等宽网格 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 18s ease-in-out infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.stats-grid .stat-value { font-size: 3rem; color: var(--color-accent); background: linear-gradient(90deg, #3b82f6, #8b5cf6); -webkit-background-clip: text; color: transparent; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%); padding: 2rem; border-radius: var(--radius-xl); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1280px; margin: 0 auto; padding: 0 0.75rem; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card { 
    border-left: 4px solid;
    border-image: linear-gradient(180deg, #3b82f6 0%, #8b5cf6 100%) 1;
}

/* 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: 0.75rem; --space-gap: 0.75rem; }
    .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; }
}