/* CSSVariantEngine v3.0 — zh-xinqiusports.cn */
/* Palette: neon-glow | Radius: medium-rounded | Shadow: glow-accent */
/* Spacing: mixed-gaps | Transition: glow-smooth */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"centered","testimonials":"stacked","partners":"grid-6","faq":"single-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #7928ca;
    --color-primary-dark: #4c1d95;
    --color-accent: #00ffa3;
    --color-surface: #0f172a;
    --color-text: #f8fafc;
    --rgb-primary: 121, 40, 202;
    --rgb-accent: 0, 255, 163;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.25);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4);
    --shadow-lg: 0 0 40px rgba(var(--rgb-accent), 0.55);
    --space-section: 5rem;
    --space-card: 1.9rem;
    --space-gap: 1.4rem;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

@keyframes subtle-pulse {
    0% { box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.3); }
    50% { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.5); }
    100% { box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.3); }
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.2); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
section.news-section { background-color: #1e1b4b; border-bottom: 2px solid var(--color-accent); }
section.features-section { background-color: #0c4a6e; border-bottom: 2px solid var(--color-primary); }
section.testimonials-section { background-color: #18181b; border-bottom: 2px solid var(--color-accent); }
section.partners-section { background-color: #1e293b; border-bottom: 2px solid var(--color-primary); }
section.faq-section { background-color: #312e81; border-bottom: 2px solid var(--color-accent); }
section.stats-section { background-color: #064e3b; border-bottom: 2px solid var(--color-primary); }
section.cta-section { background-color: #7f1d1d; border-bottom: 2px solid var(--color-accent); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: var(--space-card); transition: var(--transition); background-color: rgba(255,255,255,0.05); border: 1px solid rgba(var(--rgb-accent), 0.2); }
.card:hover, [class*="card"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6); animation: subtle-pulse 2s infinite ease-in-out; border-color: var(--color-accent); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; border: 2px solid var(--color-accent); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: var(--shadow-md); background-color: var(--color-accent); color: var(--color-surface); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); text-shadow: 0 0 6px rgba(var(--rgb-accent), 0.3); }

/* ========== 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); }
.news-grid > *:first-child { grid-row: span 2; }

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

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.stats-grid .stat-value { font-size: 3rem; color: var(--color-accent); text-shadow: 0 0 16px rgba(var(--rgb-accent), 0.7); }

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

/* 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-primary); text-shadow: 0 0 12px rgba(var(--rgb-primary), 0.8); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { box-shadow: 0 0 22px rgba(var(--rgb-primary), 0.6); background-color: rgba(15, 23, 42, 0.95); border-bottom: 1px solid var(--color-primary); }

/* 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; }
}