/* CSSVariantEngine v3.0 — world4-milanapp.com.cn */
/* Palette: slate-blue | Radius: rounded | Shadow: glow */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-2","hero":"split","testimonials":"masonry","partners":"scroll","faq":"two-column","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #1d4ed8;
    --color-accent: #60a5fa;
    --color-surface: #f1f5f9;
    --color-text: #1e293b;
    --rgb-primary: 59, 130, 246;
    --rgb-accent: 96, 165, 250;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 0 12px rgba(96, 165, 250, 0.18);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.10), 0 0 24px rgba(96, 165, 250, 0.35);
    --shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.14), 0 0 32px rgba(96, 165, 250, 0.55);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { background: #fff; 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: var(--radius-md); transition: var(--transition); box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

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

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; padding: 4rem 2rem; box-shadow: inset 0 0 24px rgba(255, 255, 255, 0.10), 0 0 32px rgba(96, 165, 250, 0.35); animation: glowPulse 3.2s ease-in-out infinite; }

@keyframes glowPulse {
    0%, 100% { box-shadow: inset 0 0 24px rgba(255, 255, 255, 0.10), 0 0 32px rgba(96, 165, 250, 0.35); }
    50% { box-shadow: inset 0 0 48px rgba(255, 255, 255, 0.18), 0 0 48px rgba(96, 165, 250, 0.55); }
}

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(100, 116, 139, 0.25); }
header, .header, .navbar { box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08), 0 0 24px rgba(96, 165, 250, 0.10); }

/* Glow 悬浮增强 */
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: var(--shadow-md); }

/* 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; }
}