/* CSSVariantEngine v3.0 — zh-go-88kanqiu.com.cn */
/* Palette: emerald-sidebar | Radius: soft-rounded | Shadow: multi-layer gradient */
/* Spacing: spacious | Transition: smooth-long */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"overlay","testimonials":"carousel","partners":"scroll","faq":"two-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-accent: #34d399;
    --color-surface: #f8fafc;
    --color-text: #1e293b;
    --rgb-primary: 16, 185, 129;
    --rgb-accent: 52, 211, 153;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(37, 46, 58, 0.12), 0 1px 2px rgba(37, 46, 58, 0.06);
    --shadow-md: 0 4px 12px rgba(37, 46, 58, 0.15), 0 2px 6px rgba(37, 46, 58, 0.08);
    --shadow-lg: 0 10px 25px rgba(37, 46, 58, 0.18), 0 4px 10px rgba(37, 46, 58, 0.1);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 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(145deg, #ffffff 0%, #f1f5f9 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(90deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* 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: 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: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 24s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 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; }

/* cta: card-style */
.cta-inner { 
    background: linear-gradient(135deg, #252e3a 0%, #1e293b 50%, #0f766e 100%); 
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { 
    background: linear-gradient(135deg, #252e3a 0%, #334155 45%, #10b981 100%); 
    color: white;
}
.card { 
    border: 1px solid transparent; 
    border-image: linear-gradient(135deg, rgba(var(--rgb-primary), 0.15) 0%, rgba(37, 46, 58, 0.1) 100%) 1; 
}
header, .header, .navbar { 
    background: linear-gradient(90deg, #252e3a 0%, #334155 100%);
    box-shadow: 0 3px 10px rgba(37, 46, 58, 0.15), 0 1px 3px rgba(37, 46, 58, 0.08); 
}

/* 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; }
}