/* CSSVariantEngine v3.0 — zh-int-yobo-game.com.cn */
/* Palette: ocean-lavender | Radius: soft-rounded | Shadow: layered gradient */
/* Spacing: uniform 24px | Transition: smooth-long */
/* Section layouts: {"news":"featured-top","features":"centered","hero":"minimal","testimonials":"masonry","partners":"centered","faq":"with-sidebar","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-accent: #8b5cf6;
    --color-surface: #f0f9ff;
    --color-text: #0f172a;
    --rgb-primary: 37,99,235;
    --rgb-accent: 139,92,246;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 10px rgba(var(--rgb-primary), 0.07);
    --shadow-md: 0 8px 28px rgba(var(--rgb-primary), 0.13), 0 2px 8px rgba(var(--rgb-accent), 0.06);
    --shadow-lg: 0 16px 52px rgba(var(--rgb-primary), 0.18), 0 6px 16px rgba(var(--rgb-accent), 0.1);
    --space-section: 3rem;
    --space-card: 1.3rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.22, 0.08, 0.22, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #f8fafc 0%, #eff6ff 50%, #f5f3ff 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, #f8fafc); border: 3px solid transparent; border-image: linear-gradient(90deg, var(--color-primary), var(--color-accent)) 1; backdrop-filter: blur(2px); }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); box-shadow: var(--shadow-sm); color: white; border: none; }
.btn:hover { box-shadow: var(--shadow-md); filter: brightness(1.08); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; text-underline-offset: 3px; }

/* ========== 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: 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

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

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* 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), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* cta: card-style */
.cta-inner { background: radial-gradient(circle at top left, #e0e7ff 0%, #f0f9ff 50%, #fdf4ff 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg); border: 4px solid transparent; border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent), #ec4899) 1; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-underline-offset: 5px; }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #2563eb 0%, #7c3aed 45%, #ec4899 100%); color: white; }
header, .header, .navbar { background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(248,250,252,0.7)); backdrop-filter: blur(12px); }

/* 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; }
}