/* CSSVariantEngine v3.0 — oneentertainment.com.cn */
/* Palette: neon indigo glow | Radius: medium 8-16px | Shadow: luminous */
/* Spacing: mixed contrast | Transition: smooth elastic */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"left-aligned","testimonials":"grid-3","partners":"grid-4","faq":"single-column","stats":"inline","cta":"full-bg"} */

@keyframes subtleGlow {
    0%, 100% { box-shadow: 0 0 24px rgba(var(--rgb-accent), 0.4), 0 4px 8px rgba(0,0,0,0.4); }
    50% { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6), 0 4px 8px rgba(0,0,0,0.4); }
}

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4338ca;
    --color-accent: #22d3ee;
    --color-surface: #0f172a;
    --color-text: #e0e7ff;
    --rgb-primary: 99, 102, 241;
    --rgb-accent: 34, 211, 238;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.2), 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4), 0 4px 8px rgba(0,0,0,0.4);
    --shadow-lg: 0 0 36px rgba(var(--rgb-accent), 0.5), 0 8px 16px rgba(0,0,0,0.5);
    --space-section: 5.2rem;
    --space-card: 2.2rem;
    --space-gap: 1.6rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
    --border-high-contrast: 2px solid rgba(var(--rgb-accent), 0.7);
}

/* 基础覆盖 */
body { color: var(--color-text); background-color: var(--color-surface); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.3); }
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); background-color: rgba(var(--rgb-primary), 0.15); border: var(--border-high-contrast); padding: var(--space-card); transition: var(--transition); animation: subtleGlow 4s ease-in-out infinite; }
.card:hover, [class*="card"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6), 0 6px 12px rgba(0,0,0,0.5); transform: translateY(-4px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: #ffffff; border: 2px solid var(--color-accent); box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.5); transition: var(--transition); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.8); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); text-decoration: underline; text-underline-offset: 4px; }
a:not([class]):hover { text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.7); }

/* ========== 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; background-color: rgba(var(--rgb-primary), 0.25); border: 2px solid var(--color-primary); }

/* features: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: 0.8rem; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0.5rem; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--space-gap) * 1.8); }
.testimonial-list > * { background-color: rgba(255,255,255,0.05); border: 2px solid rgba(var(--rgb-primary), 0.6); }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }
.partner-grid > * { background-color: rgba(var(--rgb-accent), 0.1); border: 1px solid rgba(var(--rgb-accent), 0.4); border-radius: var(--radius-sm); }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list > * { background-color: rgba(var(--rgb-primary), 0.1); border-left: 4px solid var(--color-accent); border-radius: 0 var(--radius-md) var(--radius-md) 0; }

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3.2rem; }
.stats-grid > * { background-color: rgba(var(--rgb-accent), 0.08); border: 2px solid rgba(var(--rgb-accent), 0.5); border-radius: var(--radius-xl); padding: 1.5rem 2rem; }

/* cta: full-bg */
.cta-section { background: linear-gradient(180deg, var(--color-primary-dark), var(--color-primary)); color: #ffffff; padding: 4rem 2rem; border-top: 3px solid var(--color-accent); border-bottom: 3px solid var(--color-accent); box-shadow: 0 0 48px rgba(var(--rgb-accent), 0.3); }

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

/* 条件性装饰 */
header, .header, .navbar { background: rgba(var(--rgb-surface), 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(var(--rgb-accent), 0.2); }

/* 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: 2.1rem; --space-card: 1.1rem; --space-gap: 0.9rem; }
    .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; }
}