/* CSSVariantEngine v3.0 — zhl-leisusports.com.cn */
/* Palette: vibrant blue-orange | Radius: fully rounded | Shadow: multi-layer soft */
/* Spacing: generous | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"centered","hero":"minimal","testimonials":"stacked","partners":"grid-6","faq":"two-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #f97316;
    --color-surface: #f8fafc;
    --color-text: #0f172a;
    --rgb-primary: 37, 99, 235;
    --rgb-accent: 249, 115, 22;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 8px rgba(15, 23, 42, 0.05), 0 20px 40px -10px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 8px 16px rgba(15, 23, 42, 0.06), 0 30px 60px -12px rgba(15, 23, 42, 0.15);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.75rem;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
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: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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; background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%); color: white; }

/* 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; }
.feature-list .card:nth-child(odd) { background: linear-gradient(135deg, #fef3c7 0%, #fdba74 100%); }
.feature-list .card:nth-child(even) { background: linear-gradient(135deg, #dbeafe 0%, #93c5fd 100%); }

/* hero: minimal */
.hero { padding: 2rem 0; background: linear-gradient(180deg, #eff6ff 0%, var(--color-surface) 100%); } .hero-content { max-width: 560px; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
.testimonial-list .card:nth-child(3n) { background: linear-gradient(135deg, #f0fdf4 0%, #86efac 100%); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid > * { filter: grayscale(30%) opacity(0.8); transition: var(--transition); }
.partner-grid > *:hover { filter: grayscale(0%) opacity(1); }

/* 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; }
.stats-grid .card { background: linear-gradient(135deg, #fef2f2 0%, #fecaca 100%); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); padding: 2.5rem; border-radius: var(--radius-xl); color: white; }

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

/* 条件性装饰 */
.card { border-left: 4px solid var(--color-accent); }
header, .header, .navbar { box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08), 0 1px 3px rgba(15, 23, 42, 0.04); background-color: rgba(255, 255, 255, 0.9); backdrop-filter: blur(12px); }

/* 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: 0.875rem; }
    .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; }
}