/* CSSVariantEngine v3.0 — gloab-bifenwang.com.cn */
/* Palette: sidebar-classic | Radius: soft-rounded | Shadow: multi-layer gradient */
/* Spacing: moderate | Transition: long smooth */
/* Section layouts: {"news":"featured-top","features":"grid-4","hero":"overlay","testimonials":"stacked","partners":"grid-6","faq":"single-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #2dd4bf;
    --color-surface: #f8fafc;
    --color-text: #1e293b;
    --rgb-primary: 13,148,136;
    --rgb-accent: 45,212,191;
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 4px rgba(13,148,136,0.07), 0 1px 2px rgba(37,46,58,0.05);
    --shadow-md: 0 6px 12px rgba(13,148,136,0.1), 0 3px 6px rgba(37,46,58,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-lg: 0 14px 28px rgba(13,148,136,0.12), 0 7px 14px rgba(37,46,58,0.1), 0 3px 6px rgba(0,0,0,0.06);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 1.75rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #f0f4f8 0%, #e2e8f0 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); }
.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%, #f8fafc 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: 1px solid transparent;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 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; background: linear-gradient(135deg, #252e3a 0%, #1e293b 50%, #0f172a 100%); }
                .hero-content { position: relative; z-index: 1; }

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

/* 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: 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; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(135deg, #252e3a 0%, #334155 100%); border-radius: var(--radius-xl); padding: 3rem; }

/* 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); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.4); }
.card { 
    border: 1px solid;
    border-image: linear-gradient(135deg, rgba(var(--rgb-primary), 0.2) 0%, rgba(37,46,58,0.1) 100%) 1; 
}
header, .header, .navbar { 
    background: linear-gradient(90deg, #252e3a 0%, #1e293b 100%);
    box-shadow: 0 4px 12px rgba(37,46,58,0.15), 0 2px 6px rgba(13,148,136,0.08); 
}

/* 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; }
}