/* CSSVariantEngine v3.0 — shengbodianjing.org.cn */
/* Palette: spotlight stage | Radius: soft rounded | Shadow: dual-tone gradient */
/* Spacing: spacious symmetric | Transition: smooth long curve */
/* Section layouts: {"news":"list-view","features":"grid-3","hero":"minimal","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #f59e0b;
    --color-surface: #fffbf5;
    --color-text: #1a102c;
    --rgb-primary: 109,40,217;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 3px 10px rgba(var(--rgb-primary),.15), 0 1px 3px rgba(var(--rgb-accent),.08);
    --shadow-md: 0 6px 22px rgba(var(--rgb-primary),.12), 0 2px 8px rgba(var(--rgb-accent),.1);
    --shadow-lg: 0 12px 40px rgba(var(--rgb-primary),.1), 0 4px 16px rgba(var(--rgb-accent),.12);
    --space-section: 4.5rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #fffbf5 0%, #f8f0ff 100%);
}
h1, h2, h3, h4 { 
    font-weight: var(--heading-weight); 
    text-align: center;
    background: linear-gradient(135deg, #4c1d95, #6d28d9, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
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%, #fff8ef 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(135deg, #6d28d9 0%, #f59e0b 100%);
    color: white;
    border: 1px solid transparent;
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
}

/* ========== 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-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

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

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

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 900px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 6px rgba(var(--rgb-accent), 0.3); }
.hero, [class*="hero"], section:first-of-type { 
    background: linear-gradient(135deg, #0f0f1a 0%, #311b92 45%, #1a102c 100%); 
    color: white;
}
.card { 
    border: 1px solid transparent; 
    border-image: linear-gradient(135deg, rgba(var(--rgb-primary), 0.2), rgba(var(--rgb-accent), 0.3), rgba(var(--rgb-primary), 0.2)) 1 stretch; 
}
header, .header, .navbar { 
    box-shadow: 0 3px 12px rgba(15,15,26,.15), 0 1px 4px rgba(var(--rgb-accent),.07); 
    background: linear-gradient(90deg, #ffffff 0%, #faf5ff 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; }
}