/* CSSVariantEngine v3.0 — cn-app-guess-nba.com */
/* Palette: midnight-stage | Radius: pillowy | Shadow: airy */
/* Spacing: airy | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"overlay","testimonials":"grid-3","partners":"scroll","faq":"two-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #2e1065;
    --color-accent: #d4af37;
    --color-surface: #f5f3ff;
    --color-text: #1e1b2e;
    --rgb-primary: 124,58,237;
    --rgb-accent: 212,175,55;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(46,16,101,.06), 0 1px 3px rgba(46,16,101,.04);
    --shadow-md: 0 8px 24px rgba(46,16,101,.08), 0 3px 8px rgba(46,16,101,.05);
    --shadow-lg: 0 20px 48px rgba(46,16,101,.12), 0 8px 20px rgba(46,16,101,.07), 0 2px 6px rgba(46,16,101,.04);
    --space-section: 2.4rem;
    --space-card: 1.15rem;
    --space-gap: 0.9rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #faf8ff 0%, #f0ecff 100%); }
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: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
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: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: radial-gradient(ellipse at 50% 0%, #1a1033 0%, #0f0f1a 60%, #08080f 100%); }
                .hero-content { position: relative; z-index: 1; color: #f5f3ff; }

/* 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 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #2e1065 0%, #4c1d95 50%, #6d28d9 100%); color: #f5f3ff; padding: 4rem 2rem; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-primary), .1); }
header, .header, .navbar { box-shadow: 0 4px 20px rgba(46,16,101,.08), 0 1px 4px rgba(46,16,101,.05); background: rgba(255,255,255,.85); backdrop-filter: blur(12px); }

/* 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; }
}