/* CSSVariantEngine v3.0 — ch-FootballLottery.cn */
/* Palette: cool-slate-blue | Radius: medium-rounded | Shadow: glow-accent */
/* Spacing: compact | Transition: smooth-glow */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"left-aligned","testimonials":"stacked","partners":"grid-6","faq":"with-sidebar","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-accent: #60a5fa;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --rgb-primary: 59, 130, 246;
    --rgb-accent: 96, 165, 250;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-primary), 0.2);
    --shadow-md: 0 0 24px rgba(var(--rgb-primary), 0.35);
    --shadow-lg: 0 0 32px rgba(var(--rgb-primary), 0.55);
    --space-section: 1.8rem;
    --space-card: 0.9rem;
    --space-gap: 0.7rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { 
    background-color: #1e293b;
    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); 
}
.btn, button[class*="btn"], a[class*="btn"] { 
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-md); 
    box-shadow: 0 0 12px rgba(var(--rgb-primary), 0.3);
    transition: var(--transition); 
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    box-shadow: 0 0 28px rgba(var(--rgb-primary), 0.6);
    transform: scale(1.03);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(var(--rgb-primary), 0.4); }

/* ========== 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: 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: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* 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: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-4px); 
    box-shadow: var(--shadow-lg); 
    animation: soft-pulse 1.8s infinite alternate;
}
.card { border-left: 3px solid var(--color-primary); }

@keyframes soft-pulse {
    0% { box-shadow: 0 0 20px rgba(var(--rgb-primary), 0.4); }
    100% { box-shadow: 0 0 32px rgba(var(--rgb-primary), 0.65); }
}

/* 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: 1.7rem; --space-card: 0.85rem; --space-gap: 0.65rem; }
    .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; }
}