/* CSSVariantEngine v3.0 — zh-jiuyousports.net.cn */
/* Palette: centered-stage spotlight | Radius: tight minimal | Shadow: subtle glow | Spacing: tight-rhythm */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"minimal","testimonials":"carousel","partners":"centered","faq":"with-sidebar","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #7e22ce;
    --color-primary-dark: #0f0f1a;
    --color-accent: #f59e0b;
    --color-surface: #1a1a2e;
    --color-text: #f1f5f9;
    --rgb-primary: 126, 34, 206;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --radius-xl: 6px;
    --shadow-sm: 0 1px 2px rgba(245, 158, 11, 0.08);
    --shadow-md: 0 2px 4px rgba(126, 34, 206, 0.12);
    --shadow-lg: 0 3px 8px rgba(245, 158, 11, 0.1);
    --space-section: 4.5rem;
    --space-card: 0.875rem;
    --space-gap: 0.625rem;
    --transition: 0.2s ease-in-out;
    --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: var(--color-primary-dark); caret-color: var(--color-accent); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-align: center; }
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-color: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #ffffff; border: 1px solid var(--color-accent); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); justify-content: center; }
                .news-grid > *:first-child { grid-row: span 2; }

/* 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; margin: 0 auto; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

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

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* Page Layout: centered-stage */
/* 720-960px centered max width */
            .page-main { max-width: 840px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
a:not([class]):hover { color: var(--color-primary); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #2d1b47, #0f0f1a); }
.card { border: 1px solid rgba(var(--rgb-accent), .1); }
header, .header, .navbar { background: rgba(15, 15, 26, 0.85); backdrop-filter: blur(6px); border-bottom: 1px solid rgba(var(--rgb-accent), 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: 1.75rem; --space-card: 0.625rem; --space-gap: 0.5rem; }
    .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; }
}