/* CSSVariantEngine v3.0 — shh-leisusports.com.cn */
/* Palette: emerald-navy | Radius: soft-rounded | Shadow: glow-focused */
/* Spacing: airy | Transition: smooth-glow */
/* Section layouts: {"news":"grid-4","features":"grid-3","hero":"left-aligned","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #10b981;
    --color-surface: #fffbf0;
    --color-text: #1e293b;
    --rgb-primary: 37, 99, 235;
    --rgb-accent: 16, 185, 129;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 6px rgba(var(--rgb-accent), 0.15);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4);
    --shadow-lg: 0 0 32px rgba(var(--rgb-accent), 0.6);
    --space-section: 5rem;
    --space-card: 1.3rem;
    --space-gap: 1.1rem;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 22px rgba(var(--rgb-accent), 0.35); }
    100% { box-shadow: 0 0 34px rgba(var(--rgb-accent), 0.65); }
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #ffffff; caret-color: var(--color-accent); accent-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
section:nth-child(even of .strip-section), .section:nth-child(even of .strip-section) { background-color: var(--color-surface); }
section:nth-child(3n), .section:nth-child(3n) { background-color: #0f172a; color: #f8fafc; }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); 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: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; border: 1px solid rgba(var(--rgb-accent), 0.2); }
a:not([class]) { color: var(--color-accent); 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-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; }
.hero-section { background-color: #ffffff; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
.testimonial-section { background-color: #0f172a; }

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

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

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; color: var(--color-accent); }
.stats-section { background-color: #0f172a; }

/* cta: full-bg */
.cta-section { background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%); color: #fff; padding: 4rem 2rem; border-top: 2px solid var(--color-accent); }

/* 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); animation: pulse-glow 2s ease-in-out infinite alternate; border-color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-accent), .12); }
header, .header, .navbar { box-shadow: 0 0 20px rgba(var(--rgb-accent), 0.25); background-color: rgba(255,255,255, 0.92); backdrop-filter: blur(10px); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: var(--shadow-md); transform: scale(1.03); }

/* 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; }
}