/* CSSVariantEngine v3.0 — bolitiyu.net.cn */
/* Palette: dark-stage-gold | Radius: soft-glow | Shadow: accent-halo */
/* Spacing: spacious | Transition: springy-glow */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"minimal","testimonials":"masonry","partners":"scroll","faq":"with-sidebar","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #9370db;
    --color-primary-dark: #1a1a2e;
    --color-accent: #f5c518;
    --color-surface: #1e1e38;
    --color-text: #fefefe;
    --rgb-primary: 147, 112, 219;
    --rgb-accent: 245, 197, 24;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.15);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4);
    --shadow-lg: 0 0 32px rgba(var(--rgb-accent), 0.6);
    --space-section: 4.5rem;
    --space-card: 1.1rem;
    --space-gap: 0.9rem;
    --transition: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    --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: #0f0f1a;
    caret-color: var(--color-accent);
}
h1, h2, h3, h4 { 
    font-weight: var(--heading-weight); 
    text-shadow: 0 0 14px rgba(var(--rgb-accent), 0.3);
}
section, .section { 
    padding-top: var(--space-section); 
    padding-bottom: var(--space-section); 
}
.card, [class*="card"] { 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-sm); 
    padding: var(--space-card); 
    transition: var(--transition); 
    background-color: var(--color-surface);
}
.card:hover, [class*="card"]:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background-color: var(--color-accent);
    color: #0f0f1a;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    outline: 2px solid transparent;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    box-shadow: var(--shadow-lg);
    outline-color: var(--color-accent);
}
a:not([class]) { 
    color: var(--color-accent); 
    transition: var(--transition); 
}
a:not([class]):hover {
    text-shadow: 0 0 10px rgba(var(--rgb-accent), 0.7);
}

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* 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: minimal */
.hero { padding: 5rem 0; } .hero-content { max-width: 560px; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 18s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
                @keyframes softPulse {
                    0% { filter: brightness(1); }
                    50% { filter: brightness(1.3) drop-shadow(0 0 12px rgba(var(--rgb-accent), 0.5)); }
                    100% { filter: brightness(1); }
                }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

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

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

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card { border: 1px solid rgba(var(--rgb-accent), .2); }

/* 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: 2.2rem; --space-card: 1rem; --space-gap: 0.8rem; }
    .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; }
}