/* CSSVariantEngine v3.0 — leyu-official-live.com.cn */
/* Palette: purple-gold | Radius: large | Shadow: glow */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"centered","testimonials":"masonry","partners":"grid-6","faq":"two-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #8b5cf6;
    --color-primary-dark: #6d28d9;
    --color-accent: #fbbf24;
    --color-surface: #fdf8ff;
    --color-text: #e2e8f0;
    --rgb-primary: 139,92,246;
    --rgb-accent: 251,191,36;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.3), 0 0 14px rgba(139,92,246,.12);
    --shadow-md: 0 8px 20px rgba(0,0,0,.25), 0 0 24px rgba(139,92,246,.18);
    --shadow-lg: 0 16px 32px rgba(0,0,0,.3), 0 0 40px rgba(139,92,246,.25), 0 0 60px rgba(251,191,36,.12);
    --space-section: 5.5rem;
    --space-card: 2.25rem;
    --space-gap: 1.75rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body {
    background-color: #0f0f1a;
    background-image: radial-gradient(circle at 50% 0%, rgba(139,92,246,0.15), transparent 60%);
    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"] {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(145deg, rgba(255,255,255,0.95), var(--color-surface));
    color: #1e1b4b;
    animation: glow-pulse 4s ease-in-out infinite;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(139,92,246,0.25);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 12px rgba(139,92,246,0.3); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* 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: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); 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: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* Page Layout: wide */
/* 超宽 */
.page-main {
    max-width: 1400px;
    margin: 0 auto;
    background: linear-gradient(180deg, #fdf8ff, #f5f3ff);
    color: #1e1b4b;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 80px rgba(139,92,246,0.2);
}

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 32px rgba(139,92,246,0.35), 0 12px 24px rgba(0,0,0,0.25), 0 0 60px rgba(251,191,36,0.15);
    animation: none;
}
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 16px rgba(251,191,36,0.5); }

@keyframes glow-pulse {
    0%, 100% { box-shadow: var(--shadow-md), 0 0 18px rgba(139,92,246,0.08); }
    50% { box-shadow: var(--shadow-lg), 0 0 30px rgba(139,92,246,0.25), 0 0 45px rgba(251,191,36,0.12); }
}

/* 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: 2.25rem; --space-card: 1.125rem; --space-gap: 0.875rem; }
    .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; }
}