/* CSSVariantEngine v3.0 — official-leyu-mobile.com.cn */
/* Palette: violet-ember | Radius: rounded | Shadow: glow */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-4","hero":"left-aligned","testimonials":"masonry","partners":"scroll","faq":"with-sidebar","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #fbbf24;
    --color-surface: #f5f5f7;
    --color-text: #1e1b4b;
    --rgb-primary: 109,40,217;
    --rgb-accent: 251,191,36;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 10px rgba(var(--rgb-primary), 0.08), 0 0 18px rgba(var(--rgb-accent), 0.12);
    --shadow-md: 0 8px 28px rgba(var(--rgb-primary), 0.12), 0 0 24px rgba(var(--rgb-accent), 0.2);
    --shadow-lg: 0 16px 44px rgba(var(--rgb-primary), 0.22), 0 0 32px rgba(var(--rgb-accent), 0.4), 0 0 56px rgba(var(--rgb-accent), 0.18);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); accent-color: var(--color-accent); caret-color: var(--color-accent); }
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, #ffffff, #f5f3ff); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 4px 16px rgba(var(--rgb-accent), 0.2); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 14px rgba(var(--rgb-accent), 0.15); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); --card-accent: #f43f5e; background: linear-gradient(180deg, #fff1f2, #ffffff); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); --card-accent: #e879f9; }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; text-shadow: 0 2px 24px rgba(30, 27, 75, 0.45); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); --card-accent: #22d3ee; }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 28s linear infinite; --card-accent: #fb923c; }
@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; --card-accent: #34d399; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; --card-accent: #facc15; }
.stats-grid .stat-value { font-size: 3rem; color: var(--color-primary); text-shadow: 0 0 24px rgba(var(--rgb-accent), 0.35); }

/* cta: full-bg */
.cta-section { background: radial-gradient(circle at 80% 20%, rgba(var(--rgb-accent), 0.28), transparent 48%), linear-gradient(135deg, #6d28d9, #4c1d95); color: #fff; padding: 4rem 2rem; animation: ctaGlow 3s ease-in-out infinite; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 20px rgba(var(--rgb-accent), 0.55); }
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(circle at 15% 30%, rgba(var(--rgb-accent), 0.14), transparent 42%), linear-gradient(135deg, #7c3aed, #4c1d95 55%, #2e1065); }
.card { border: 1px solid rgba(var(--rgb-primary), 0.1); border-top: 1px solid var(--card-accent, var(--color-accent)); }

@keyframes ctaGlow {
    0%, 100% { box-shadow: 0 0 24px rgba(var(--rgb-accent), 0.25); }
    50% { box-shadow: 0 0 56px rgba(var(--rgb-accent), 0.5); }
}

/* 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; }
}