/* CSSVariantEngine v3.0 — intl5-milanapp.com.cn */
/* Palette: spotlight | Radius: airy | Shadow: plush */
/* Spacing: breathing | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"minimal","testimonials":"carousel","partners":"scroll","faq":"single-column","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #8b5cf6;
    --color-primary-dark: #5b21b6;
    --color-accent: #d4af37;
    --color-surface: #fdfaf4;
    --color-text: #191226;
    --rgb-primary: 139,92,246;
    --rgb-accent: 212,175,55;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 4px rgba(15,15,26,0.05), 0 3px 10px rgba(15,15,26,0.06);
    --shadow-md: 0 2px 8px rgba(15,15,26,0.06), 0 12px 28px rgba(15,15,26,0.10);
    --shadow-lg: 0 8px 20px rgba(15,15,26,0.12), 0 24px 56px rgba(139,92,246,0.16);
    --space-section: 3.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.125rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
    --color-stage: #0f0f1a;
    --color-text-inverse: #eae3f8;
}

/* 基础覆盖 */
body { background: var(--color-stage); color: var(--color-text-inverse); line-height: var(--body-line-height); }
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: var(--color-surface); color: var(--color-text); }
.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: 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: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; } 
.testimonial-list > * { flex: 0 0 100%; }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 22s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 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: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; background: var(--color-surface); color: var(--color-text); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(var(--rgb-accent), 0.4); }
.card { border: 1px solid rgba(var(--rgb-primary), 0.1); }
header, .header, .navbar { box-shadow: 0 2px 4px rgba(15,15,26,0.05), 0 8px 24px rgba(15,15,26,0.08); }

/* 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; }
}