/* CSSVariantEngine v3.0 — yule-ng28-game.com.cn */
/* Palette: asymmetric-blocks gradient-rich | Radius: soft-corner | Shadow: layered-gradient */

:root {
    --color-primary: #1d4ed8;
    --color-primary-dark: #172554;
    --color-accent: #f97316;
    --color-surface: #f0f9ff;
    --color-text: #0f172a;
    --rgb-primary: 29,78,216;
    --rgb-accent: 249,115,22;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(29,78,216,.14), 0 1px 2px rgba(249,115,22,.08);
    --shadow-md: 0 6px 18px rgba(29,78,216,.16), 0 2px 6px rgba(249,115,22,.10);
    --shadow-lg: 0 22px 48px rgba(23,37,84,.22), 0 8px 16px rgba(249,115,22,.14);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.16, 1, 0.3, 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: radial-gradient(circle at 12% 8%, rgba(249,115,22,.06), transparent 42%), radial-gradient(circle at 88% 92%, rgba(29,78,216,.07), transparent 46%), #f8fbff; }
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%, #f0f9ff 55%, #e0f2fe 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
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: 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: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* 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-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

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

/* 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, #1d4ed8 0%, #172554 48%, #f97316 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: #f0f9ff; box-shadow: 0 24px 56px rgba(23,37,84,.32), inset 0 1px 0 rgba(255,255,255,.18); }

/* 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); background: linear-gradient(145deg, #ffffff 0%, #e0f2fe 50%, #fed7aa 100%); }
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 3px solid transparent; border-image: linear-gradient(180deg, #1d4ed8 0%, #f97316 100%) 1; }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(29,78,216,.10), 0 1px 3px rgba(249,115,22,.08); background: linear-gradient(90deg, #f8fbff 0%, #f0f9ff 60%, #fff7ed 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; }
}