/* CSSVariantEngine v3.0 — home-bsports365.com.cn */
/* Palette: pinterest gradient-rich | Radius: soft rounded | Shadow: multi-layer depth */
/* Spacing: airy | Transition: smooth long 0.55s */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"minimal","testimonials":"grid-3","partners":"grid-4","faq":"two-column","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #9333ea;
    --color-primary-dark: #7e22ce;
    --color-accent: #f472b6;
    --color-surface: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    --color-text: #1e293b;
    --rgb-primary: 147, 51, 234;
    --rgb-accent: 244, 114, 182;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
    --space-section: 2.4rem;
    --space-card: 1.2rem;
    --space-gap: 1.25rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { 
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    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"] { 
    background: linear-gradient(180deg, #ffffff 0%, #ffffff 92%, #fdfbfc 100%);
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition);
    border-top: 4px solid transparent;
    border-image: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%) 1;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
    background: linear-gradient(90deg, rgba(var(--rgb-accent), 0.2) 0%, rgba(var(--rgb-primary), 0.2) 100%);
    padding-inline: 2px;
    border-radius: 4px;
}

/* ========== 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: centered */
/* 居中大卡片 */
.feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

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

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

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

/* cta: full-bg */
.cta-section { 
    background: linear-gradient(135deg, #9333ea 0%, #ec4899 50%, #f97316 100%); 
    color: #fff; 
    padding: 4rem 2rem; 
    box-shadow: 0 -8px 32px rgba(147, 51, 234, 0.15);
}

/* 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(-5px); 
    box-shadow: var(--shadow-lg); 
    filter: saturate(1.05);
}
.card { 
    border: 2px solid transparent; 
    border-image: linear-gradient(135deg, #e9d5ff 0%, #fbcfe8 100%) 1; 
}
header, .header, .navbar { 
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.7) 100%); 
    backdrop-filter: blur(10px);
}

/* 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; }
}