/* CSSVariantEngine v3.0 — go-PremierLeague.com.cn */
/* Palette: spotlight-purple-gold | Radius: soft-rounded | Shadow: multi-layer gradient */
/* Spacing: centered-spacious | Transition: smooth-long */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"left-aligned","testimonials":"masonry","partners":"grid-6","faq":"two-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #a855f7;
    --color-primary-dark: #7e22ce;
    --color-accent: #fbbf24;
    --color-surface: #f8fafc;
    --color-text: #1e293b;
    --rgb-primary: 168, 85, 247;
    --rgb-accent: 251, 191, 36;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary), 0.12);
    --shadow-md: 0 4px 16px rgba(var(--rgb-primary), 0.15), 0 2px 8px rgba(var(--rgb-accent), 0.08);
    --shadow-lg: 0 8px 32px rgba(var(--rgb-primary), 0.2), 0 4px 16px rgba(var(--rgb-accent), 0.12);
    --space-section: 5.2rem;
    --space-card: 1.9rem;
    --space-gap: 1.45rem;
    --transition: 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 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: linear-gradient(145deg, #ffffff, #f1f5f9); }
.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: white; border: none; }
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-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: 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: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: card-style */
.cta-inner { background: radial-gradient(circle at top right, #fffbeb 0%, #f8fafc 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; }

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #0f0f1a 0%, #312e81 30%, #a855f7 65%, #fbbf24 100%); }
.card { border-left: 3px solid; border-image: linear-gradient(180deg, var(--color-primary), var(--color-accent)) 1; }
header, .header, .navbar { background: rgba(15, 15, 26, 0.85); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(var(--rgb-primary), 0.2); }

/* 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; }
}