/* CSSVariantEngine v4.0 — index-games-bglive.com */
/* Palette: navy | Radius: rounded | Shadow: colored */

:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #0c1929;
    --color-accent: #60a5fa;
    --color-surface: #eff6ff;
    --color-text: #0a1628;
    --rgb-primary: 30,58,95;
    --rgb-accent: 96,165,250;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary),.12);
    --shadow-md: 0 4px 16px rgba(var(--rgb-primary),.10);
    --shadow-lg: 0 8px 32px rgba(var(--rgb-primary),.08);
    --transition: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础视觉 */
body { color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); transition: var(--transition); }
.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 背景装饰 */
.sp-hero, [class*="hero"] { background-image: radial-gradient(circle at 50% 50%, rgba(var(--rgb-primary), 0.04) 0%, transparent 70%); }
.sp-features, [class*="feature"] { background-image: radial-gradient(circle at 100% 0%, rgba(var(--rgb-accent), 0.05) 0%, transparent 50%); }
.sp-testimonials, [class*="testimonial"] { background-image: linear-gradient(180deg, rgba(var(--rgb-primary), 0.03) 0%, transparent 60%); }
.sp-cta, [class*="cta"] { background-image: radial-gradient(circle at 100% 0%, rgba(var(--rgb-accent), 0.05) 0%, transparent 50%); }
.sp-faq, [class*="faq"] { background-image: linear-gradient(180deg, rgba(var(--rgb-primary), 0.03) 0%, transparent 60%); }

/* 条件性装饰 */
.card, [class*="card"] { border-left: 3px solid var(--color-primary); }
header, .header, .navbar, .sp-header { background: transparent; }