/* CSSVariantEngine v3.0 — TheBigFiveLeagues.cn */
/* Palette: gradient-pinterest | Radius: soft-rounded | Shadow: multi-layer pastel */
/* Spacing: spacious | Transition: long-smooth */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #7b2ff7;
    --color-primary-dark: #2d0c5e;
    --color-accent: #f7931e;
    --color-surface: #fffaf5;
    --color-text: #2b1c50;
    --rgb-primary: 123,47,247;
    --rgb-accent: 247,147,30;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 40px;
    --shadow-sm: 0 2px 8px rgba(123,47,247,0.08);
    --shadow-md: 0 8px 24px rgba(123,47,247,0.12), 0 3px 12px rgba(247,147,30,0.06);
    --shadow-lg: 0 16px 48px rgba(123,47,247,0.18), 0 6px 20px rgba(247,147,30,0.1);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: radial-gradient(circle at top left, #fff7ed, #f3e8ff);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
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: linear-gradient(180deg, #ffffff 0%, #fffdfa 100%);
}
.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;
    box-shadow: var(--shadow-sm);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

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

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

/* cta: card-style */
.cta-inner { 
    background: linear-gradient(180deg, #ffffff 0%, #fff3e0 100%); 
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center; 
    border-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%) 1;
    border: 2px solid transparent;
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 1px 4px rgba(247,147,30,0.3); }
.hero, [class*="hero"], section:first-of-type { 
    background: linear-gradient(135deg, #7b2ff7 0%, #a855f7 30%, #f27121 70%, #f7931e 100%); 
}
.card { 
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(123,47,247,0.12) 0%, rgba(247,147,30,0.12) 100%) 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; }
}