/* CSSVariantEngine v3.0 — haixingtiyu-yule.com.cn */
/* Palette: stage-gold | Radius: soft | Shadow: layered-glow */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-4","hero":"split","testimonials":"stacked","partners":"centered","faq":"two-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #a855f7;
    --color-primary-dark: #7c3aed;
    --color-accent: #fbbf24;
    --color-surface: #0f0f1a;
    --color-text: #f5f3ff;
    --rgb-primary: 168,85,247;
    --rgb-accent: 251,191,36;
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(15,15,26,.5), 0 2px 10px rgba(var(--rgb-primary),.18);
    --shadow-md: 0 2px 6px rgba(15,15,26,.45), 0 8px 24px rgba(var(--rgb-primary),.22), 0 0 0 1px rgba(var(--rgb-accent),.06);
    --shadow-lg: 0 4px 12px rgba(15,15,26,.55), 0 16px 48px rgba(var(--rgb-primary),.32), 0 0 0 1px rgba(var(--rgb-accent),.12);
    --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: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(ellipse at 50% 0%, #1a1330 0%, #0f0f1a 55%, #0a0a14 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(120deg, #f5f3ff 0%, #e9d5ff 45%, #fbbf24 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
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(160deg, rgba(30,27,50,.95) 0%, rgba(20,18,38,.98) 55%, rgba(15,15,26,1) 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #c084fc 100%); color: #fff; box-shadow: 0 2px 8px rgba(15,15,26,.4), 0 6px 20px rgba(var(--rgb-primary),.3); }
a:not([class]) { color: var(--color-accent); 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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

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

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); background: linear-gradient(160deg, rgba(40,32,70,.98) 0%, rgba(28,22,52,1) 50%, rgba(20,16,40,1) 100%); }
.card { border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(var(--rgb-primary),.45) 0%, rgba(var(--rgb-accent),.35) 50%, rgba(var(--rgb-primary),.15) 100%) 1; }
header, .header, .navbar { background: transparent; }

/* 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; }
}