/* CSSVariantEngine v3.0 — asia-hthsports.com.cn */
/* Palette: indigo-coral | Radius: micro | Shadow: ultra-subtle */
/* Spacing: tight | Transition: snappy */
/* Section layouts: {"news":"grid-3","features":"horizontal","hero":"overlay","testimonials":"carousel","partners":"centered","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #4338ca;
    --color-primary-dark: #312e81;
    --color-accent: #ef4444;
    --color-surface: #fffbeb;
    --color-text: #1e1b4b;
    --rgb-primary: 67,56,202;
    --rgb-accent: 239,68,68;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 5px;
    --radius-xl: 6px;
    --shadow-sm: 0 1px 1px rgba(30,27,75,.07), 0 0 0 1px rgba(30,27,75,.03);
    --shadow-md: 0 2px 2px rgba(30,27,75,.06), 0 1px 1px rgba(30,27,75,.04);
    --shadow-lg: 0 3px 4px rgba(30,27,75,.05), 0 1px 2px rgba(30,27,75,.03);
    --space-section: 2.5rem;
    --space-card: 0.875rem;
    --space-gap: 0.75rem;
    --transition: 0.2s ease-out;
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #f8fafc; }
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-sm); padding: var(--space-card); transition: var(--transition); background-color: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; border: 1px solid var(--color-primary-dark); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; text-underline-offset: 2px; }

/* ========== 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: 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: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%); }
.hero-content { position: relative; z-index: 1; color: white; text-shadow: 0 1px 2px rgba(0,0,0,0.15); }

/* 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: 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-primary); }

/* cta: full-bg */
.cta-section { background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%); color: #fff; padding: 4rem 2rem; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid var(--color-accent); }
header, .header, .navbar { background: rgba(255,251,235,0.9); backdrop-filter: blur(4px); border-bottom: 1px solid var(--color-primary-dark); }

/* 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; }
}