/* CSSVariantEngine v3.0 — youbogamecn.com */
/* Palette: teal-rose | Radius: soft-round | Shadow: layered-gradient */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"grid-4","hero":"overlay","testimonials":"grid-3","partners":"scroll","faq":"single-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #fb7185;
    --color-surface: #f0fdfa;
    --color-text: #134e4a;
    --rgb-primary: 13,148,136;
    --rgb-accent: 251,113,133;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(var(--rgb-primary),.14), 0 2px 8px rgba(var(--rgb-accent),.08);
    --shadow-md: 0 2px 4px rgba(var(--rgb-primary),.12), 0 6px 20px rgba(var(--rgb-accent),.10);
    --shadow-lg: 0 4px 8px rgba(var(--rgb-primary),.10), 0 12px 36px rgba(var(--rgb-accent),.14);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 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, #f0fdfa 0%, #ecfeff 40%, #fff1f2 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(120deg, #0f766e 0%, #0d9488 45%, #fb7185 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
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(150deg, #ffffff 0%, #f0fdfa 55%, #fff1f2 100%); border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(var(--rgb-primary),.35), rgba(var(--rgb-accent),.35)) 1; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #0d9488 0%, #0f766e 50%, #fb7185 100%); color: #ffffff; border-color: transparent; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* 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: radial-gradient(ellipse at 30% 20%, rgba(var(--rgb-primary),.18) 0%, rgba(var(--rgb-accent),.12) 45%, transparent 75%), linear-gradient(160deg, #f0fdfa 0%, #ecfeff 50%, #fff1f2 100%); }
                .hero-content { position: relative; z-index: 1; }

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

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* 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; }

/* 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); border-image: linear-gradient(135deg, rgba(var(--rgb-primary),.65), rgba(var(--rgb-accent),.65)) 1; }
a:not([class]):hover { color: var(--color-accent); }
header, .header, .navbar { box-shadow: 0 1px 2px rgba(var(--rgb-primary),.10), 0 4px 18px rgba(var(--rgb-accent),.10); background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%); }

/* 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; }
}