/* CSSVariantEngine v3.0 — data-kai-yun.com */
/* Palette: midnight-gold | Radius: sharp | Shadow: hard-offset */
/* Spacing: balanced | Transition: snappy */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"inline","cta":"full-bg"} */

:root {
    --color-primary: #b8860b;
    --color-primary-dark: #7a5a00;
    --color-accent: #d4a017;
    --color-surface: #1a1a2e;
    --color-text: #f0e6d3;
    --rgb-primary: 184,134,11;
    --rgb-accent: 212,160,23;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 3px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px rgba(184,134,11,.25);
    --shadow-md: 4px 4px 0px rgba(184,134,11,.3);
    --shadow-lg: 6px 6px 0px rgba(184,134,11,.35);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.15s cubic-bezier(.25,.1,.25,1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #0f0f1a; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-align: center; }
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: #1a1a2e; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

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

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

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

/* cta: full-bg */
.cta-section { background: linear-gradient(160deg, #1a1a2e, #0f0f1a); color: #f0e6d3; padding: 4rem 2rem; border-top: 3px solid #b8860b; border-bottom: 3px solid #b8860b; }

/* 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: 6px 6px 0px rgba(184,134,11,.5); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(160deg, #1a1a2e, #0f0f1a); border-bottom: 3px solid #b8860b; }
.card { border: 2px solid rgba(var(--rgb-primary), .25); }
header, .header, .navbar { box-shadow: 4px 4px 0px rgba(184,134,11,.2); background: #0f0f1a; border-bottom: 2px solid #b8860b; }

/* 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; }
}