/* CSSVariantEngine v3.0 — intl12-aigame.com.cn */
/* Palette: violet-teal | Radius: rounded | Shadow: colored */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"centered","testimonials":"grid-3","partners":"grid-6","faq":"two-column","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #0d9488;
    --color-surface: #f5f3ff;
    --color-text: #1e1b4b;
    --rgb-primary: 109,40,217;
    --rgb-accent: 13,148,136;
    --radius-sm: 3px;
    --radius-md: 10px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --shadow-sm: 0 1px 2px rgba(var(--rgb-primary),.22), 0 3px 8px rgba(var(--rgb-accent),.14);
    --shadow-md: 0 6px 14px rgba(var(--rgb-primary),.18), 0 12px 28px rgba(var(--rgb-accent),.10);
    --shadow-lg: 0 16px 36px rgba(var(--rgb-primary),.20), 0 28px 64px rgba(var(--rgb-accent),.14);
    --space-section: 5.5rem;
    --space-card: 2.25rem;
    --space-gap: 1.75rem;
    --transition: 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(165deg, #f5f3ff 0%, #ecfeff 45%, #faf5ff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(109,40,217,.12), 0 2px 6px rgba(13,148,136,.08); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: radial-gradient(circle at 20% 0%, rgba(109,40,217,.04), transparent 40%), radial-gradient(circle at 80% 100%, rgba(13,148,136,.04), transparent 40%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(109,40,217,.12); padding: var(--space-card); transition: var(--transition); background: linear-gradient(150deg, #ffffff 0%, #f5f3ff 55%, #ecfeff 100%); }
.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: #ffffff; box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,.25); border-color: transparent; }
a:not([class]) { color: var(--color-primary); 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: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; background: radial-gradient(circle at 50% 0%, rgba(109,40,217,.06), transparent 70%); border-radius: var(--radius-xl); }

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

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; background: linear-gradient(145deg, rgba(109,40,217,.04), rgba(13,148,136,.06)); border-radius: var(--radius-lg); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(13,148,136,.4); }
header, .header, .navbar { background: linear-gradient(90deg, rgba(109,40,217,.05) 0%, rgba(13,148,136,.05) 50%, rgba(109,40,217,.05) 100%); }

/* 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; }
}