/* CSSVariantEngine v3.0 — boqiudi.net.cn */
/* Palette: gradient-rich teal-coral | Radius: soft-rounded | Shadow: multi-layer glowing */
/* Spacing: uniform 24px gap | Transition: smooth 0.5s cubic */
/* Section layouts: {"news":"masonry-2","features":"grid-4","hero":"minimal","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #f97316;
    --color-surface: #f0fdfa;
    --color-text: #134e4a;
    --rgb-primary: 13, 148, 136;
    --rgb-accent: 249, 115, 22;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 40px;
    --shadow-sm: 0 2px 8px rgba(13, 148, 136, 0.12), 0 1px 3px rgba(249, 115, 22, 0.06);
    --shadow-md: 0 4px 16px rgba(13, 148, 136, 0.18), 0 2px 6px rgba(249, 115, 22, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 24px rgba(13, 148, 136, 0.22), 0 4px 12px rgba(249, 115, 22, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06);
    --space-section: 2.2rem;
    --space-card: 1.1rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 50%, #fef3c7 100%);
    min-height: 100vh;
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { 
    padding-top: var(--space-section); 
    padding-bottom: var(--space-section);
    background-attachment: fixed;
}
.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%, #f0fdfa 60%, #ecfdf5 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(90deg, var(--color-primary) 0%, #14b8a6 50%, var(--color-accent) 100%);
    color: white;
    border: none;
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition);
    text-decoration-thickness: 2px;
}

/* ========== 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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: minimal */
.hero { 
    padding: 2rem 0; 
    background: radial-gradient(circle at top right, #fef3c7 0%, transparent 55%), radial-gradient(circle at bottom left, #ccfbf1 0%, transparent 55%);
} 
.hero-content { max-width: 560px; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: split */
.cta-inner { 
    display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; 
    background: linear-gradient(90deg, #0d9488 0%, #14b8a6 40%, #f97316 100%);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    color: white;
}

/* 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: 0 12px 32px rgba(13, 148, 136, 0.28), 0 6px 16px rgba(249, 115, 22, 0.18), 0 3px 8px rgba(0, 0, 0, 0.08);
}
a:not([class]):hover { 
    color: var(--color-accent); 
    text-shadow: 0 0 4px rgba(var(--rgb-accent), 0.25);
}
.card { 
    border-left: 3px solid;
    border-image: linear-gradient(180deg, var(--color-primary), var(--color-accent)) 1 100% stretch;
}

/* 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; }
}