/* CSSVariantEngine v3.0 — hebeiczsw.com */
/* Palette: violet-cyan glow | Radius: medium rounded | Shadow: luminous glow */
/* Spacing: balanced | Transition: smooth elastic */
/* Section layouts: {"news":"masonry-2","features":"grid-4","hero":"split","testimonials":"carousel","partners":"grid-6","faq":"single-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #6d28d9;
    --color-accent: #22d3ee;
    --color-surface: #0f172a;
    --color-text: #f1f5f9;
    --rgb-primary: 124, 58, 237;
    --rgb-accent: 34, 211, 238;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.2), 0 2px 6px rgba(0,0,0,0.15);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4), 0 6px 16px rgba(0,0,0,0.2);
    --shadow-lg: 0 0 32px rgba(var(--rgb-primary), 0.5), 0 12px 32px rgba(0,0,0,0.25);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(135deg, rgba(var(--rgb-primary), 0.08) 0%, rgba(var(--rgb-accent), 0.04) 100%); border: 1px solid rgba(var(--rgb-accent), 0.1); animation: cardPulse 4s ease-in-out infinite alternate; }
.card:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6), 0 8px 24px rgba(0,0,0,0.22); transform: translateY(-2px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: white; border: none; box-shadow: 0 0 16px rgba(var(--rgb-primary), 0.4); }
.btn:hover { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.7); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.3); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 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: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; } 
.testimonial-list > * { flex: 0 0 100%; }

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

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-primary); text-shadow: 0 0 12px rgba(var(--rgb-primary), 0.5); }
.card { border-left: 3px solid var(--color-accent); }

@keyframes cardPulse {
    0% { box-shadow: 0 0 18px rgba(var(--rgb-accent), 0.3), 0 6px 14px rgba(0,0,0,0.18); }
    100% { box-shadow: 0 0 26px rgba(var(--rgb-primary), 0.4), 0 8px 18px rgba(0,0,0,0.22); }
}

/* 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: 0.75rem; }
    .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; }
}