/* CSSVariantEngine v3.0 — go-Vtiyu.cn */
/* Palette: vibrant-contrast | Radius: soft-large | Shadow: multi-layer-soft */
/* Spacing: comfortable | Transition: smooth-ease */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"split","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #7b2cbf;
    --color-primary-dark: #5a189a;
    --color-accent: #ff9f1c;
    --color-surface: #fff7e8;
    --color-text: #1a120b;
    --rgb-primary: 123, 44, 191;
    --rgb-accent: 255, 159, 28;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.05), 0 20px 40px -10px rgba(0,0,0,0.12);
    --shadow-lg: 0 6px 12px rgba(0,0,0,0.06), 0 24px 48px -12px rgba(0,0,0,0.15);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.4s ease;
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #fffdf9; }
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-color: #ffffff; border: 2px solid #f0e6ff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #ffffff; border: 2px solid var(--color-accent); }
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-color: #f7f0ff; border: 3px solid var(--color-primary); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }
.feature-list .card { background-color: #fff9ed; border: 2px solid #ffd166; }

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

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; background-color: #f3e8ff; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background-color: #fff7e8; padding: 2rem; border-radius: var(--radius-xl); }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list .card { background-color: #f0f9ff; border: 2px solid #06d6a0; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; background-color: #e8f5e9; padding: 2rem; border-radius: var(--radius-xl); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-accent), #ee6c4d); color: #1a120b; padding: 4rem 2rem; border-top: 4px solid var(--color-primary); border-bottom: 4px solid var(--color-primary); }

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #7b2cbf, #ff9f1c); }
.card { border-left: 4px solid var(--color-accent); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.btn:hover { background-color: var(--color-accent); color: var(--color-primary); box-shadow: var(--shadow-md); }

/* 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; }
}