/* CSSVariantEngine v3.0 — xingyi-youxi.com.cn */
/* Palette: stage-dark + gold | Radius: glow-medium | Shadow: halo */
/* Spacing: balanced | Transition: pulse-gentle */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"split","testimonials":"stacked","partners":"grid-6","faq":"two-column","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #6d4b9e;
    --color-primary-dark: #0f0f1a;
    --color-accent: #d4af37;
    --color-surface: #1a1a2e;
    --color-text: #ece9f5;
    --rgb-primary: 109,75,158;
    --rgb-accent: 212,175,55;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 8px rgba(212,175,55,.18), 0 1px 3px rgba(15,15,26,.5);
    --shadow-md: 0 0 16px rgba(212,175,55,.28), 0 4px 10px rgba(15,15,26,.55);
    --shadow-lg: 0 0 28px rgba(212,175,55,.42), 0 8px 18px rgba(15,15,26,.6);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.45s cubic-bezier(0.22, 0.61, 0.36, 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: var(--color-primary-dark); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 0 18px rgba(212,175,55,.28); }
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: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 0 14px rgba(212,175,55,.3); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
                .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* 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-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

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

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #1a1a2e 0%, #6d4b9e 100%); color: #f5f0e1; padding: 4rem 2rem; box-shadow: inset 0 0 60px rgba(212,175,55,.15); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 0 32px rgba(212,175,55,.6), 0 10px 24px rgba(15,15,26,.65); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(212,175,55,.18), 0 0 24px rgba(212,175,55,.12); }

/* 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; }
}