/* CSSVariantEngine v3.0 — zh-go-qq-game.com.cn */
/* Palette: ocean-emerald | Radius: dynamic | Shadow: multi-layer gradient */
/* Spacing: asymmetric contrast | Transition: long smooth */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"minimal","testimonials":"grid-3","partners":"grid-6","faq":"single-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #0ea5e9;
    --color-primary-dark: #0369a1;
    --color-accent: #10b981;
    --color-surface: #f0f9ff;
    --color-text: #0c4a6e;
    --rgb-primary: 14,165,233;
    --rgb-accent: 16,185,129;
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(14, 165, 233, 0.2), 0 2px 6px rgba(16, 185, 129, 0.1);
    --shadow-md: 0 6px 16px rgba(14, 165, 233, 0.25), 0 12px 24px rgba(16, 185, 129, 0.15);
    --shadow-lg: 0 12px 32px rgba(14, 165, 233, 0.3), 0 24px 48px rgba(16, 185, 129, 0.2), 0 36px 64px rgba(15, 23, 42, 0.1);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #f0f9ff 0%, #ecfeff 50%, #d1fae5 100%);
}
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: linear-gradient(135deg, #ffffff 0%, #f0fdf4 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #ffffff;
    border: 2px solid transparent;
}
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: 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; }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* 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: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-6px); 
    box-shadow: var(--shadow-lg); 
    filter: saturate(1.15);
}
a:not([class]):hover { color: #8b5cf6; }
.hero, [class*="hero"], section:first-of-type { 
    background: linear-gradient(135deg, #0f172a 0%, #0ea5e9 45%, #10b981 100%); 
}
.card { 
    border-left: 4px solid; 
    border-image: linear-gradient(to bottom, #0ea5e9, #10b981, #8b5cf6) 1; 
}
header, .header, .navbar { 
    box-shadow: 0 3px 10px rgba(14, 165, 233, 0.15), 0 6px 18px rgba(16, 185, 129, 0.08); 
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.85);
}

/* 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; }
}