/* CSSVariantEngine v3.0 — pb-kaiyungroup.com.cn */
/* Palette: indigo-cyan | Radius: soft-rounded | Shadow: layered-indigo */
/* Spacing: compact | Transition: smooth-long */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"left-aligned","testimonials":"masonry","partners":"scroll","faq":"with-sidebar","stats":"inline","cta":"split"} */

:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #1e1b4b;
    --color-accent: #06b6d4;
    --color-surface: #f1f5f9;
    --color-text: #0f172a;
    --rgb-primary: 79,70,229;
    --rgb-accent: 6,182,212;
    --radius-sm: 4px;
    --radius-md: 9px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.08), 0 2px 6px -2px rgba(79,70,229,.16);
    --shadow-md: 0 2px 4px -1px rgba(15,23,42,.10), 0 10px 24px -8px rgba(30,41,59,.22), 0 20px 44px -26px rgba(79,70,229,.40);
    --shadow-lg: 0 8px 20px -6px rgba(15,23,42,.18), 0 30px 64px -24px rgba(30,27,75,.45);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.3rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(1100px 560px at 10% -12%, #dbeafe 0%, rgba(219,234,254,0) 62%), radial-gradient(900px 500px at 92% 4%, #cffafe 0%, rgba(207,250,254,0) 58%), linear-gradient(180deg, #f8fafc 0%, #eef2f7 52%, #e2e8f0 100%); caret-color: #4f46e5; accent-color: #4f46e5; }
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: inset 0 0 0 1px rgba(79,70,229,.10), inset 0 1px 0 rgba(255,255,255,.85), 0 2px 4px -1px rgba(15,23,42,.10), 0 12px 28px -10px rgba(30,41,59,.22), 0 22px 48px -28px rgba(30,27,75,.35); padding: var(--space-card); transition: var(--transition); background: linear-gradient(155deg, #ffffff 0%, #f8fafc 52%, #eef2ff 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 1px 2px rgba(15,23,42,.14), 0 10px 22px -12px rgba(79,70,229,.55); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

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

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

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 26s cubic-bezier(0.45, 0, 0.25, 1) 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: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

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

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(122deg, #0f172a 0%, #1e1b4b 24%, #312e81 48%, #4338ca 72%, #0891b2 100%); box-shadow: inset 0 -1px 0 rgba(255,255,255,.08), 0 24px 60px -30px rgba(30,27,75,.65); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(248,250,252,.92) 0%, rgba(238,242,247,.62) 100%); backdrop-filter: blur(14px) saturate(150%); box-shadow: 0 1px 0 rgba(79,70,229,.10), 0 12px 28px -24px rgba(15,23,42,.55); }

/* 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: 1.85rem; --space-card: 0.9rem; --space-gap: 0.68rem; }
    .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; }
}