/* CSSVariantEngine v3.0 — bspotv.com.cn */
/* Palette: centered-stage | Radius: medium rounded | Shadow: gold glow */
/* Spacing: symmetric spacious | Transition: smooth ease */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"centered","testimonials":"grid-3","partners":"grid-4","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #4c1d95;
    --color-primary-dark: #2e1065;
    --color-accent: #f59e0b;
    --color-surface: #1a1a2e;
    --color-text: #f8fafc;
    --rgb-primary: 76,29,149;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.2), 0 2px 6px rgba(0,0,0,0.3);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4), 0 6px 14px rgba(0,0,0,0.4);
    --shadow-lg: 0 0 32px rgba(var(--rgb-accent), 0.5), 0 12px 28px rgba(0,0,0,0.5);
    --space-section: 5rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.4s ease-in-out;
    --heading-weight: 600;
    --body-line-height: 1.7;
}

@keyframes softPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(var(--rgb-accent), 0.3); }
    50% { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6); }
}

/* 基础覆盖 */
body { background-color: #0f0f1a; color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { background-color: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: var(--space-card); transition: var(--transition); border: 1px solid rgba(var(--rgb-accent), 0.1); }
.card:hover, [class*="card"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6), 0 0 12px rgba(var(--rgb-primary), 0.3); animation: softPulse 2s infinite ease-in-out; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); background-color: var(--color-accent); color: #0f0f1a; box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.5); transition: var(--transition); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.7); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }
a:not([class]):hover { text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.6); }

/* ========== 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-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }
.hero-content h1 { text-shadow: 0 0 16px rgba(var(--rgb-accent), 0.4); }

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

/* 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: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; color: var(--color-accent); text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.5); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; padding: 4rem 2rem; box-shadow: inset 0 0 60px rgba(var(--rgb-accent), 0.2); }

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

/* 条件性装饰 */
header, .header, .navbar { background-color: rgba(15, 15, 26, 0.95); backdrop-filter: blur(8px); box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.2); border-bottom: 1px solid rgba(var(--rgb-accent), 0.1); }

/* 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; }
}