/* CSSVariantEngine v3.0 — zh-u8guoji.com.cn */
/* Palette: violet-coral gradient | Radius: soft rounded | Shadow: multi-layer colored */
/* Spacing: mosaic balanced | Transition: long smooth */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"centered","testimonials":"masonry","partners":"centered","faq":"two-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #f472b6;
    --color-surface: #faf7ff;
    --color-text: #2e1065;
    --rgb-primary: 124,58,237;
    --rgb-accent: 244,114,182;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(124,58,237,0.07), 0 1px 3px rgba(244,114,182,0.05);
    --shadow-md: 0 8px 20px rgba(124,58,237,0.12), 0 3px 6px rgba(244,114,182,0.08);
    --shadow-lg: 0 16px 40px rgba(124,58,237,0.18), 0 6px 12px rgba(244,114,182,0.1);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.32, 0.72, 0, 0.99);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #faf7ff 0%, #f3e8ff 100%); }
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, #f9f4ff); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3aed, #f472b6); color: white; border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%); color: white; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }
.feature-list > *:nth-child(2n) { background: linear-gradient(135deg, #ec4899 0%, #f97316 100%); color: white; }
.feature-list > *:nth-child(2n+1) { background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%); color: white; }

/* 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); background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%); border-image: linear-gradient(135deg, #f97316, #ec4899) 1; border: 2px solid transparent; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list > * { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); border-image: linear-gradient(135deg, #0ea5e9, #8b5cf6) 1; border: 2px solid transparent; }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; background: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #7c3aed 0%, #a855f7 25%, #ec4899 75%, #f97316 100%); color: #fff; padding: 4rem 2rem; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(244,114,182,0.3); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #7c3aed 0%, #a855f7 30%, #ec4899 70%, #f472b6 100%); }
.card { border: 2px solid transparent; border-image: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(244,114,182,0.3), rgba(249,115,22,0.2)) 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; }
}