/* CSSVariantEngine v3.0 — chcn-live-bandaosports.com.cn */
/* Palette: terracotta-cream | Radius: rounded | Shadow: layered gradient */
/* Spacing: tight | Transition: slow-smooth */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"centered","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #c2410c;
    --color-primary-dark: #7c2d12;
    --color-accent: #f59e0b;
    --color-surface: #fffbeb;
    --color-text: #1c1917;
    --rgb-primary: 194,65,12;
    --rgb-accent: 245,158,11;
    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-xl: 44px;
    --shadow-sm: 0 3px 12px rgba(var(--rgb-primary),.14), 0 1px 4px rgba(28,25,23,.06);
    --shadow-md: 0 8px 28px rgba(var(--rgb-primary),.14), 0 2px 8px rgba(28,25,23,.08);
    --shadow-lg: 0 16px 48px rgba(var(--rgb-primary),.12), 0 4px 14px rgba(28,25,23,.10);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(.22,1,.36,1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #ffffff 0%, var(--color-surface) 55%, #fef3c7 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
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, #ffffff 0%, #fff7e6 45%, #ffedd5 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-shadow: 0 1px 2px rgba(var(--rgb-primary),.12);
}

/* ========== 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: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* 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: 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; }

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

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(1200px 600px at 20% 20%, rgba(251,191,36,.35), transparent 60%),
        radial-gradient(900px 500px at 85% 15%, rgba(194,65,12,.5), transparent 55%),
        linear-gradient(135deg, #1c1917 0%, #431407 40%, #7c2d12 75%, #c2410c 100%);
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(28,25,23,.45);
}
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar {
    background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,251,235,.85));
    box-shadow: 0 4px 24px rgba(var(--rgb-primary),.10), 0 1px 4px rgba(28,25,23,.06);
    backdrop-filter: blur(10px);
}

/* 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; }
}