/* CSSVariantEngine v3.0 — lecaiwangguan.com.cn */
/* Palette: violet-magenta | Radius: pillowy-large | Shadow: soft-multi-layer */
/* Spacing: airy-generous | Transition: smooth-bouncy */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"split","testimonials":"masonry","partners":"scroll","faq":"single-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #8b5cf6;
    --color-primary-dark: #6d28d9;
    --color-accent: #ec4899;
    --color-surface: #faf5ff;
    --color-text: #1e1b4b;
    --rgb-primary: 139, 92, 246;
    --rgb-accent: 236, 72, 153;
    --radius-sm: 16px;
    --radius-md: 20px;
    --radius-lg: 24px;
    --radius-xl: 28px;
    --shadow-sm: 0 6px 18px rgba(139, 92, 246, 0.09);
    --shadow-md: 0 12px 32px rgba(236, 72, 153, 0.13);
    --shadow-lg: 0 20px 56px rgba(109, 40, 217, 0.18);
    --space-section: 4.4rem;
    --space-card: 1.8rem;
    --space-gap: 1.5rem;
    --transition: 0.45s cubic-bezier(0.34, 1.56, 0.64, 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-color: #fdf2f8; caret-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 2px 4px rgba(139, 92, 246, 0.07); }
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-color: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: white; border: 2px solid var(--color-primary-dark); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; text-underline-offset: 3px; }

/* ========== 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(145deg, #8b5cf6 0%, #ec4899 100%); color: white; border: 2px solid var(--color-primary-dark); }
                .news-grid > *:nth-child(2) { background-color: #f0f9ff; border: 2px solid #0ea5e9; }
                .news-grid > *:nth-child(3) { background-color: #fef3c7; border: 2px solid #f59e0b; }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list > *:nth-child(1) { border-top: 5px solid var(--color-primary); }
.feature-list > *:nth-child(2) { border-top: 5px solid var(--color-accent); }
.feature-list > *:nth-child(3) { border-top: 5px solid #10b981; }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
                .hero-inner > div:first-child { background-color: #f0fdf4; padding: 2rem; border-radius: var(--radius-lg); }
                .hero-inner > div:last-child { background-color: #fef7ff; padding: 2rem; border-radius: var(--radius-lg); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); background-color: #ffffff; border: 2px solid rgba(var(--rgb-accent), 0.25); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 30s linear infinite; }
                .partner-grid > * { background-color: white; padding: 1.25rem 2rem; border-radius: var(--radius-md); border: 2px solid rgba(var(--rgb-primary), 0.2); }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list > * { background-color: white; border: 2px solid rgba(var(--rgb-primary), 0.15); border-radius: var(--radius-md); margin-bottom: 1.25rem; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * { background: linear-gradient(180deg, #f0fdf4 0%, #dcfce7 100%); border: 2px solid #10b981; border-radius: var(--radius-lg); padding: 2rem 1rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%); border-radius: var(--radius-xl); padding: 3.4rem; text-align: center; color: white; box-shadow: var(--shadow-lg); border: 3px solid white; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card { border: 2px solid rgba(var(--rgb-primary), .18); }

/* 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: 2.4rem; --space-card: 1.1rem; --space-gap: 0.9rem; }
    .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; }
}