/* CSSVariantEngine v3.0 — int-k1sports.com.cn */
/* Palette: dark-stage-gold | Radius: medium-glow | Shadow: neon-accent | Spacing: centered-premium | Transition: smooth-glow */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"overlay","testimonials":"grid-3","partners":"grid-6","faq":"two-column","stats":"inline","cta":"full-bg"} */

:root {
    --color-primary: #4c1d95;
    --color-primary-dark: #2e1065;
    --color-accent: #f59e0b;
    --color-surface: #1a1a2e;
    --color-text: #f1f5f9;
    --rgb-primary: 76,29,149;
    --rgb-accent: 245,158,11;
    --radius-sm: 8px;
    --radius-md: 10px;
    --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 32px rgba(var(--rgb-accent), 0.6);
    --space-section: 5rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

@keyframes subtlePulse {
    0% { box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.35); }
    50% { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.55); }
    100% { box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.35); }
}

/* 基础覆盖 */
body { background-color: #0f0f1a; color: var(--color-text); line-height: var(--body-line-height); }
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"] { background-color: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); background-color: var(--color-accent); color: #0f0f1a; box-shadow: var(--shadow-sm); animation: subtlePulse 3s infinite ease-in-out; transition: var(--transition); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: var(--shadow-lg); }
a:not([class]) { color: var(--color-accent); 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-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; justify-content: center; }
                .hero-content { position: relative; z-index: 1; text-align: center; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); color: #fff; padding: 4rem 2rem; box-shadow: 0 0 40px rgba(var(--rgb-accent), 0.2); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 960px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: #fbbf24; text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.7); }
.card { border: 1px solid rgba(var(--rgb-accent), .15); }
header, .header, .navbar { background: rgba(15,15,26, 0.9); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(var(--rgb-accent), 0.1); }

/* 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; }
}