/* CSSVariantEngine v3.0 — aisports-platform.com.cn */
/* Palette: violet-fuchsia | Radius: medium | Shadow: glow */
/* Spacing: mosaic | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"horizontal","hero":"minimal","testimonials":"grid-3","partners":"centered","faq":"two-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #d946ef;
    --color-surface: #ffffff;
    --color-text: #1e1b2e;
    --rgb-primary: 124,58,237;
    --rgb-accent: 217,70,239;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary), .08), 0 0 12px rgba(var(--rgb-accent), .12);
    --shadow-md: 0 8px 24px rgba(var(--rgb-primary), .14), 0 0 24px rgba(var(--rgb-accent), .25);
    --shadow-lg: 0 20px 40px rgba(var(--rgb-primary), .2), 0 0 48px rgba(var(--rgb-accent), .3);
    --space-section: 4.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #faf7f2; }
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: inset 0 0 0 1px rgba(var(--rgb-primary), .06), var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: #fff; box-shadow: 0 4px 16px rgba(var(--rgb-primary), .3), 0 0 14px rgba(var(--rgb-accent), .25); border-color: transparent; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* 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: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

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

/* 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-primary); text-shadow: 0 0 24px rgba(var(--rgb-accent), .3); }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: #fff; box-shadow: var(--shadow-lg); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card { border-left: 3px solid var(--color-accent); animation: cardPulse 6s ease-in-out infinite; }

@keyframes cardPulse {
  0%, 100% { box-shadow: inset 0 0 0 1px rgba(var(--rgb-primary), .06), var(--shadow-md); }
  50% { box-shadow: inset 0 0 0 1px rgba(var(--rgb-primary), .06), 0 14px 36px rgba(var(--rgb-primary), .22), 0 0 44px rgba(var(--rgb-accent), .5); }
}

/* 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; }
}