/* CSSVariantEngine v3.0 — zh-go-sg-game.com.cn */
/* Palette: indigo-coral | Radius: micro | Shadow: subtle accent-tinted */
/* Spacing: tight | Transition: snappy */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"centered","testimonials":"masonry","partners":"centered","faq":"with-sidebar","stats":"inline","cta":"split"} */

:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #3730a3;
    --color-accent: #f97316;
    --color-surface: #f8fafc;
    --color-text: #0f172a;
    --rgb-primary: 79,70,229;
    --rgb-accent: 249,115,22;
    --radius-sm: 3px;
    --radius-md: 4px;
    --radius-lg: 5px;
    --radius-xl: 6px;
    --shadow-sm: 0 1px 3px rgba(var(--rgb-primary),.07);
    --shadow-md: 0 2px 6px rgba(var(--rgb-primary),.05);
    --shadow-lg: 0 3px 10px rgba(var(--rgb-accent),.06);
    --space-section: 3.2rem;
    --space-card: 0.75rem;
    --space-gap: 0.625rem;
    --transition: 0.18s ease-in-out;
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); }
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-color: #ffffff; border-left: 3px solid transparent; }
.card:nth-child(4n+1) { border-left-color: #4f46e5; }
.card:nth-child(4n+2) { border-left-color: #f97316; }
.card:nth-child(4n+3) { border-left-color: #10b981; }
.card:nth-child(4n+4) { border-left-color: #ec4899; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 1px; }

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

/* news: list-view */
/* 列表模式 (图左文右) */
.news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
.news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* 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: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* 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 */
header, .header, .navbar { box-shadow: 0 1px 4px rgba(var(--rgb-primary),.05); background-color: #ffffff; border-bottom: 1px solid rgba(var(--rgb-primary),.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: 1.8rem; --space-card: 0.65rem; --space-gap: 0.55rem; }
    .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; }
}