/* CSSVariantEngine v3.0 — go-feijijiasuqi.com.cn */
/* Palette: violet-amber | Radius: rounded | Shadow: glow-accent */
/* Spacing: medium | Transition: soft-expo */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"split","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #2e1065;
    --color-accent: #f59e0b;
    --color-surface: #fdf4ff;
    --color-text: #1e1b4b;
    --rgb-primary: 124, 58, 237;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.2);
    --shadow-md: 0 4px 16px rgba(var(--rgb-primary), 0.1), 0 0 24px rgba(var(--rgb-accent), 0.4);
    --shadow-lg: 0 8px 24px rgba(var(--rgb-primary), 0.15), 0 0 32px rgba(var(--rgb-accent), 0.6);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
    caret-color: var(--color-accent);
    accent-color: var(--color-accent);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); }
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); border: 1px solid rgba(var(--rgb-accent), 0.15); animation: pulseGlow 4s ease-in-out infinite alternate; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); border: 1px solid rgba(var(--rgb-accent), 0.2); }
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; }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 18s ease-in-out infinite; }
@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; }

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

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary) 0%, #ec4899 100%); color: #fff; padding: 4rem 2rem; box-shadow: 0 0 40px rgba(236,72,153,0.4); }

/* 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(-6px) scale(1.02); box-shadow: 0 12px 32px rgba(var(--rgb-primary), 0.2), 0 0 40px rgba(var(--rgb-accent), 0.7); border-color: rgba(var(--rgb-accent), 0.4); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.5); }

/* Pulsing glow animation */
@keyframes pulseGlow {
    0% { box-shadow: 0 4px 16px rgba(var(--rgb-primary), 0.1), 0 0 12px rgba(var(--rgb-accent), 0.2); }
    100% { box-shadow: 0 4px 16px rgba(var(--rgb-primary), 0.1), 0 0 24px rgba(var(--rgb-accent), 0.4); }
}

/* 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; }
}