/* CSSVariantEngine v3.0 — pc-kaiyunsports-zrg.com.cn */
/* Palette: indigo-amber | Radius: soft | Shadow: layered-soft */
/* Spacing: airy | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"left-aligned","testimonials":"stacked","partners":"grid-6","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-accent: #d97706;
    --color-surface: #f4f6fb;
    --color-text: #1e293b;
    --color-card: #ffffff;
    --rgb-primary: 79,70,229;
    --rgb-accent: 217,119,6;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 4px rgba(var(--rgb-primary), 0.04), 0 8px 16px -6px rgba(var(--rgb-primary), 0.08);
    --shadow-md: 0 4px 8px rgba(var(--rgb-primary), 0.05), 0 20px 40px -10px rgba(var(--rgb-primary), 0.12);
    --shadow-lg: 0 8px 16px rgba(var(--rgb-primary), 0.06), 0 30px 60px -12px rgba(var(--rgb-primary), 0.18);
    --space-section: 4.25rem;
    --space-card: 1.625rem;
    --space-gap: 1.5rem;
    --transition: 0.35s ease;
    --heading-weight: 700;
    --body-line-height: 1.75;
}

body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); }
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: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-color: var(--color-card); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-top */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.news-grid > *:first-child { grid-column: span 3; box-shadow: var(--shadow-lg); border-left-color: var(--color-accent); }

/* 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: stacked */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

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

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

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

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 3px solid var(--color-primary); }

/* 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: 2.125rem; --space-card: 1.0625rem; --space-gap: 0.875rem; }
    .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; }
}