/* CSSVariantEngine v3.0 — cn3-app-igames.com.cn */
/* Palette: teal | Radius: large | Shadow: soft */
/* Spacing: airy | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"grid-3","hero":"overlay","testimonials":"masonry","partners":"grid-4","faq":"with-sidebar","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #f59e0b;
    --color-surface: #f0fdfa;
    --color-text: #042f2e;
    --rgb-primary: 15,118,110;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(15,118,110,0.08);
    --shadow-md: 0 12px 32px -8px rgba(15,118,110,0.16), 0 4px 12px -4px rgba(15,118,110,0.10), inset 0 0 0 1.5px rgba(13,148,136,0.22);
    --shadow-lg: 0 28px 56px -16px rgba(15,118,110,0.22), 0 12px 28px -12px rgba(15,118,110,0.14), inset 0 0 0 1.5px rgba(13,148,136,0.32);
    --space-section: 2.25rem;
    --space-card: 1.15rem;
    --space-gap: 0.85rem;
    --transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); 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: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.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: 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: 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

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

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2.25rem; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: card-style */
.cta-inner { background: var(--color-surface); border-radius: var(--radius-xl); padding: 3.3rem; text-align: center; box-shadow: 0 20px 40px -12px rgba(15,118,110,0.15), inset 0 0 0 1.5px rgba(13,148,136,0.20); }

/* 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); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #0f766e, #0d9488 45%, #f59e0b 120%); }
header, .header, .navbar { box-shadow: 0 4px 20px -8px rgba(15,118,110,0.12), 0 2px 6px -2px rgba(0,0,0,0.04); }

/* 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; }
}