/* CSSVariantEngine v3.0 — aoke.cq.cn */
/* Palette: spotlight stage gold-purple | Radius: soft rounded | Shadow: multi-layer gradient glow */
/* Spacing: symmetric generous | Transition: long smooth */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"overlay","testimonials":"grid-3","partners":"grid-4","faq":"with-sidebar","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #7e22ce;
    --color-primary-dark: #3b0764;
    --color-accent: #fbbf24;
    --color-surface: #1e1e38;
    --color-text: #fef7ff;
    --rgb-primary: 126, 34, 206;
    --rgb-accent: 251, 191, 36;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 22px;
    --radius-xl: 34px;
    --shadow-sm: 0 2px 10px rgba(251, 191, 36, 0.18), 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 10px 30px rgba(126, 34, 206, 0.28), 0 3px 10px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 60px rgba(251, 191, 36, 0.3), 0 6px 20px rgba(126, 34, 206, 0.2);
    --space-section: 5rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: radial-gradient(ellipse at 50% 0%, #3b0764 0%, #0f0f1a 65%, #070712 100%);
    min-height: 100vh;
}
h1, h2, h3, h4 { 
    font-weight: var(--heading-weight);
    text-align: center;
}
section, .section { 
    padding-top: var(--space-section); 
    padding-bottom: var(--space-section);
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
}
.card, [class*="card"] { 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition);
    background: linear-gradient(145deg, #2a2a4a, #1a1a32);
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent)) 1;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    color: #fff;
}
a:not([class]) { 
    color: var(--color-accent); 
    transition: var(--transition);
}

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

/* news: featured-top */
/* 首篇横跨全宽 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.news-grid > *:first-child { grid-column: span 3; }

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

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

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

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-6px); 
    box-shadow: var(--shadow-lg);
    border-image: linear-gradient(225deg, var(--color-accent), var(--color-primary)) 1;
}
.hero, [class*="hero"], section:first-of-type { 
    background: linear-gradient(180deg, #0f0f1a 0%, #3b0764 35%, #7e22ce 70%, #fbbf24 100%); 
}

/* 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; }
}