/* CSSVariantEngine v3.0 — gloab-qiutansports.com.cn */
/* Palette: editorial-olive-red | Radius: medium | Shadow: glow-accent */
/* Spacing: generous | Transition: smooth-glow */
/* Section layouts: {"news":"grid-3","features":"horizontal","hero":"minimal","testimonials":"stacked","partners":"scroll","faq":"single-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #8b2d21;
    --color-accent: #c44536;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196, 69, 54;
    --rgb-accent: 196, 69, 54;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-primary), 0.15);
    --shadow-md: 0 0 24px rgba(var(--rgb-primary), 0.3);
    --shadow-lg: 0 0 32px rgba(var(--rgb-primary), 0.5);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background-color: var(--color-surface);
}
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: #fffaf7;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background-color: var(--color-primary);
    color: #ffffff;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    box-shadow: 0 0 32px rgba(var(--rgb-primary), 0.6);
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition);
}
a:not([class]):hover {
    text-shadow: 0 0 8px rgba(var(--rgb-primary), 0.4);
}

/* ========== 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: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 32s linear infinite, subtlePulse 6s ease-in-out infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes subtlePulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.94; } }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

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

/* 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; padding-inline: 4rem; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-4px); 
    box-shadow: var(--shadow-lg);
    animation: none;
}
.card { 
    border-left: 3px solid var(--color-primary); 
}

/* 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; }
}