/* CSSVariantEngine v3.0 — aisports-home.com.cn */
/* Palette: violet-amber | Radius: soft-rounded | Shadow: colored-glow */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"centered","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #f59e0b;
    --color-surface: #faf5ff;
    --color-text: #2e1065;
    --rgb-primary: 124,58,237;
    --rgb-accent: 245,158,11;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 4px rgba(76,29,149,.08), 0 1px 2px rgba(76,29,149,.05);
    --shadow-md: 0 8px 16px rgba(76,29,149,.12), 0 3px 8px rgba(219,39,119,.08);
    --shadow-lg: 0 20px 40px rgba(76,29,149,.18), 0 8px 20px rgba(219,39,119,.12), 0 2px 8px rgba(245,158,11,.08);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
    accent-color: var(--color-accent);
    caret-color: var(--color-primary);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(160deg, var(--color-surface) 0%, #f3e8ff 50%, #e9d5ff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(124,58,237,.05), rgba(245,158,11,.03)); }
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(145deg, #ffffff 0%, var(--color-surface) 45%, #f3e8ff 100%);
    border-image: linear-gradient(135deg, #7c3aed, #db2777, #f59e0b) 1;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, #7c3aed 0%, #c026d3 50%, #db2777 100%);
    box-shadow: 0 4px 12px rgba(124,58,237,.3), 0 2px 4px rgba(219,39,119,.2);
    color: #fff;
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 0 rgba(255,255,255,.6); }

/* ========== 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: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); background: linear-gradient(135deg, rgba(124,58,237,.1), rgba(245,158,11,.06)); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; text-shadow: 0 2px 12px rgba(76,29,149,.4); }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); background: linear-gradient(135deg, rgba(219,39,119,.08), rgba(124,58,237,.08)); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 28s linear infinite; background: linear-gradient(135deg, rgba(245,158,11,.1), rgba(219,39,119,.06)); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; background: linear-gradient(135deg, rgba(124,58,237,.08), rgba(219,39,119,.06)); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; background: linear-gradient(135deg, rgba(219,39,119,.1), rgba(245,158,11,.07)); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(135deg, rgba(76,29,149,.12), rgba(124,58,237,.1)); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 2px 10px rgba(245,158,11,.45); }
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(1200px 400px at 80% -10%, rgba(245,158,11,.25), transparent 60%), linear-gradient(135deg, #4c1d95 0%, #6d28d9 25%, #7c3aed 50%, #c026d3 75%, #db2777 100%); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { background: linear-gradient(90deg, rgba(76,29,149,.95), rgba(124,58,237,.9), rgba(192,38,211,.85)); box-shadow: 0 4px 20px rgba(76,29,149,.25), 0 2px 8px rgba(124,58,237,.2); }

/* 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; }
}