/* CSSVariantEngine v3.0 — zh-xinqiulive.com.cn */
/* Palette: soft blue | Radius: large rounded | Shadow: soft multi-layer */
/* Spacing: comfortable | Transition: smooth slow */
/* Section layouts: {"news":"grid-4","features":"horizontal","hero":"overlay","testimonials":"grid-3","partners":"grid-6","faq":"single-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-accent: #93c5fd;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --rgb-primary: 37, 99, 235;
    --rgb-accent: 147, 197, 253;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04), 0 8px 16px -4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 16px 32px -8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.06), 0 24px 48px -12px rgba(0, 0, 0, 0.14);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { background-color: #f1f5f9; 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: #ffffff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); border-top: 4px solid var(--color-accent); }
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--color-primary); color: white; box-shadow: var(--shadow-sm); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-primary-dark); text-decoration-thickness: 2px; }

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

/* news: grid-4 */
/* 四列紧凑网格 */
                .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(var(--rgb-primary), 0.08), rgba(var(--rgb-accent), 0.15)); }
                .hero-content { position: relative; z-index: 1; }

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

/* 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: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: card-style */
.cta-inner { background: var(--color-surface); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg); border-left: 6px solid var(--color-primary); }

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

/* 条件性装饰 */

/* 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; }
}