/* CSSVariantEngine v3.0 — yx-zunbomed.com.cn */
/* Palette: slate-indigo | Radius: moderate | Shadow: layered */
/* Spacing: tight | Transition: gradient-smooth */
/* Section layouts: {"news":"featured-top","features":"grid-2","hero":"overlay","testimonials":"masonry","partners":"grid-4","faq":"two-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #3b4a63;
    --color-primary-dark: #252e3a;
    --color-accent: #7dd3fc;
    --color-surface: #eef2f8;
    --color-text: #1e293b;
    --rgb-primary: 59,74,99;
    --rgb-accent: 125,211,252;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(37,46,58,.14), 0 2px 6px rgba(37,46,58,.08);
    --shadow-md: 0 3px 8px rgba(37,46,58,.16), 0 8px 20px rgba(37,46,58,.1);
    --shadow-lg: 0 8px 22px rgba(37,46,58,.2), 0 18px 40px rgba(37,46,58,.12);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.5s cubic-bezier(0.25, 0.8, 0.3, 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: linear-gradient(160deg, #f5f8fc 0%, #e8eef6 55%, #dde6f1 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); }
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: linear-gradient(145deg, #ffffff 0%, #f4f7fb 60%, #eaf0f7 100%); border: 1px solid rgba(59,74,99,.08); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #3b4a63 0%, #252e3a 100%); color: #e8f2fd; border-color: rgba(125,211,252,.35); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: radial-gradient(circle at 30% 20%, rgba(125,211,252,.35) 0%, rgba(59,74,99,.55) 45%, rgba(37,46,58,.9) 100%); }
                .hero-content { position: relative; z-index: 1; color: #f1f7fd; text-shadow: 0 2px 10px rgba(15,23,36,.5); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #252e3a 0%, #3b4a63 55%, #4a5d7d 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: #eaf2fb; box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(125,211,252,.25); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(125,211,252,.3); }
header, .header, .navbar { box-shadow: 0 2px 10px rgba(37,46,58,.12), 0 1px 0 rgba(125,211,252,.15); background: linear-gradient(180deg, #ffffff 0%, #f1f5fa 100%); }

/* 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; }
}