/* CSSVariantEngine v3.0 — tengxuntiyu.cq.cn */
/* Palette: pinterest glow | Radius: medium rounded | Shadow: neon halo */
/* Spacing: spacious | Transition: snappy glow */
/* Section layouts: {"news":"grid-4","features":"grid-4","hero":"overlay","testimonials":"grid-3","partners":"scroll","faq":"two-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-accent: #ec4899;
    --color-surface: #f8fafc;
    --color-text: #1e293b;
    --rgb-primary: 99,102,241;
    --rgb-accent: 236,72,153;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-accent), 0.15);
    --shadow-md: 0 4px 16px rgba(var(--rgb-accent), 0.2), 0 0 24px rgba(var(--rgb-accent), 0.18);
    --shadow-lg: 0 8px 24px rgba(var(--rgb-accent), 0.3), 0 0 32px rgba(var(--rgb-accent), 0.25);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

@keyframes softPulse {
    0%, 100% { box-shadow: var(--shadow-md); }
    50% { box-shadow: 0 6px 20px rgba(var(--rgb-accent), 0.25), 0 0 28px rgba(var(--rgb-accent), 0.35); }
}

/* 基础覆盖 */
body { color: var(--color-text); background-color: var(--color-surface); 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-color: #ffffff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); animation: softPulse 5s ease-in-out infinite; }
.card:hover, [class*="card"]:hover { box-shadow: 0 8px 28px rgba(var(--rgb-accent), 0.4), 0 0 32px rgba(var(--rgb-accent), 0.6); transform: translateY(-4px); }
.btn, button[class*="btn"], a[class*="btn"] { background-color: var(--color-primary); color: white; border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.3); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.6); }
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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .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: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 18s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* 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(135deg, #6366f1, #ec4899); }
header, .header, .navbar { background-color: #ffffff; box-shadow: 0 4px 12px rgba(var(--rgb-accent), 0.2); }

/* 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; }
}