/* CSSVariantEngine v3.0 — pc7-leyuapp.com.cn */
/* Palette: royal-violet + gold | Radius: pillowy | Shadow: layered-depth */
/* Spacing: airy | Transition: smooth-spring */
/* Section layouts: {"news":"grid-4","features":"horizontal","hero":"split","testimonials":"grid-3","partners":"grid-6","faq":"single-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #3b0f6b;
    --color-accent: #d99406;
    --color-surface: #f4f0ff;
    --color-text: #18112e;
    --rgb-primary: 109,40,217;
    --rgb-accent: 217,148,6;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(109,40,217,.14), 0 1px 2px rgba(59,15,107,.10);
    --shadow-md: 0 20px 44px -20px rgba(59,15,107,.42), 0 8px 18px -10px rgba(109,40,217,.22);
    --shadow-lg: 0 38px 84px -30px rgba(59,15,107,.50), 0 16px 36px -14px rgba(109,40,217,.28);
    --space-section: 2.25rem;
    --space-card: 1.15rem;
    --space-gap: 0.85rem;
    --transition: 0.4s cubic-bezier(.22,1,.36,1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #faf8ff; background-image: radial-gradient(1000px 560px at 50% -6%, rgba(109,40,217,.16) 0%, rgba(109,40,217,0) 62%); background-repeat: no-repeat; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 2px 20px rgba(109,40,217,.18); }
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); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: 999px; transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== Section Layout Variants ========== */

/* news: grid-4 */
/* 四列紧凑网格 */
                .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* 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: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* 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: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* 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: radial-gradient(circle at 12% 18%, rgba(217,148,6,.35) 0%, rgba(15,15,26,0) 55%), linear-gradient(135deg, #0f0f1a 0%, #3b0f6b 55%, #6d28d9 100%); color: #fff; padding: 4.5rem 2.25rem; }

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

/* 条件性装饰 */
.card { border: 1px solid rgba(var(--rgb-accent), .38); box-shadow: 0 26px 60px -28px rgba(59,15,107,.55), 0 10px 24px -12px rgba(109,40,217,.28), inset 0 1px 0 rgba(255,255,255,.9); }

/* 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: 2.25rem; --space-card: 1.15rem; --space-gap: 0.85rem; }
    .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; }
}