/* CSSVariantEngine v3.0 — pc-mksports-web.com.cn */
/* Palette: dark stage + gold | Radius: medium | Shadow: glow */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"horizontal","hero":"split","testimonials":"grid-3","partners":"grid-4","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #fbbf24;
    --color-surface: #16162a;
    --color-text: #f5f3ff;
    --rgb-primary: 124,58,237;
    --rgb-accent: 251,191,36;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 0 10px rgba(124,58,237,.22), 0 0 22px rgba(251,191,36,.08);
    --shadow-md: 0 0 18px rgba(124,58,237,.32), 0 0 42px rgba(251,191,36,.12);
    --shadow-lg: 0 0 30px rgba(124,58,237,.5), 0 0 70px rgba(251,191,36,.22);
    --space-section: 2.25rem;
    --space-card: 1.15rem;
    --space-gap: 0.85rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body {
    background-color: #0f0f1a;
    background-image: radial-gradient(circle at 50% 0%, rgba(124,58,237,.18), transparent 65%);
    color: var(--color-text);
    line-height: var(--body-line-height);
    accent-color: var(--color-accent);
    caret-color: var(--color-accent);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 0 24px rgba(124,58,237,.25); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(255,255,255,.06);
    padding: var(--space-card);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    box-shadow: 0 0 14px rgba(124,58,237,.35);
    transition: var(--transition);
}
a:not([class]) {
    color: #c4b5fd;
    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); }
.news-grid > *:first-child { grid-row: span 2; }

/* features: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

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

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); 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; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; padding: 4rem 2rem; box-shadow: 0 0 44px rgba(124,58,237,.25); }

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,.12); }
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type {
    background: radial-gradient(circle at 50% 30%, rgba(124,58,237,.45), transparent 55%), linear-gradient(135deg, #0f0f1a, #1a1233);
    box-shadow: 0 0 30px rgba(124,58,237,.35), 0 0 60px rgba(251,191,36,.12);
    animation: heroGlow 4s ease-in-out infinite;
}

@keyframes heroGlow {
    0%, 100% {
        box-shadow: 0 0 24px rgba(124,58,237,.35), 0 0 48px rgba(251,191,36,.1);
    }
    50% {
        box-shadow: 0 0 42px rgba(124,58,237,.6), 0 0 84px rgba(251,191,36,.22);
    }
}

/* 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; }
}