/* CSSVariantEngine v3.0 — boguandianjing.com.cn */
/* Palette: deep-navy-accent | Radius: soft-rounded | Shadow: multi-layer gradient */
/* Spacing: comfortable | Transition: smooth-cubic */
/* Section layouts: {"news":"grid-3","features":"grid-3","hero":"left-aligned","testimonials":"carousel","partners":"grid-6","faq":"single-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #165DFF;
    --color-primary-dark: #0E42CC;
    --color-accent: #36BFFA;
    --color-surface: linear-gradient(145deg, #f8fafc 0%, #e8f1ff 100%);
    --color-text: #1e293b;
    --rgb-primary: 22,93,255;
    --rgb-accent: 54,191,250;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 4px rgba(22,93,255,0.08), 0 1px 2px rgba(37,46,58,0.05);
    --shadow-md: 0 6px 12px rgba(22,93,255,0.1), 0 3px 6px rgba(37,46,58,0.07);
    --shadow-lg: 0 12px 24px rgba(22,93,255,0.12), 0 6px 12px rgba(37,46,58,0.08);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { background: linear-gradient(145deg, #f8fafc 0%, #e8f1ff 100%); color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { background: linear-gradient(180deg, #ffffff 0%, #f1f7ff 100%); border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(37,46,58,0.1) 0%, rgba(22,93,255,0.15) 100%) 1 stretch; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%); color: #ffffff; border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

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

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

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

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
header, .header, .navbar { background: linear-gradient(90deg, #252e3a 0%, #304156 100%); box-shadow: 0 4px 12px rgba(37,46,58,0.18), 0 2px 6px rgba(22,93,255,0.07); }

/* 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; }
}