/* CSSVariantEngine v3.0 — live5-ayx-sports.com.cn */
/* Palette: indigo-citrus | Radius: tight | Shadow: crisp-inset */
/* Spacing: compact | Transition: quick */
/* Section layouts: {"news":"grid-4","features":"grid-2","hero":"minimal","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #4338ca;
    --color-primary-dark: #312e81;
    --color-accent: #f97316;
    --color-surface: #fff7ed;
    --color-text: #0f172a;
    --rgb-primary: 67,56,202;
    --rgb-accent: 249,115,22;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --radius-xl: 8px;
    --shadow-sm: 0 1px 0 rgba(15,23,42,.06), 0 0 0 1px rgba(67,56,202,.08);
    --shadow-md: 0 2px 0 rgba(15,23,42,.06), 0 0 0 1px rgba(67,56,202,.12), 0 2px 4px rgba(67,56,202,.08);
    --shadow-lg: 0 4px 0 rgba(15,23,42,.05), 0 0 0 1px rgba(67,56,202,.16), 0 6px 12px rgba(67,56,202,.12);
    --space-section: 2.5rem;
    --space-card: 1.1rem;
    --space-gap: 0.85rem;
    --transition: 0.15s ease-out;
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); 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); }
.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: 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); background: #eef2ff; border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px #c7d2fe; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); background: #fff7ed; border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px #fed7aa; }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; background: #ecfeff; border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px #a5f3fc; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background: #fdf2f8; border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px #fbcfe8; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; background: #f0fdf4; border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px #bbf7d0; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background: #fefce8; border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px #fef08a; }
.stats-grid .stat-value { font-size: 3rem; color: var(--color-primary-dark); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: #f1f5f9; border-radius: var(--radius-lg); box-shadow: inset 0 0 0 1px #cbd5e1; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #4338ca 0%, #7c3aed 50%, #f97316 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: 1.7rem; --space-card: 0.9rem; --space-gap: 0.7rem; }
    .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; }
}