/* CSSVariantEngine v3.0 — int-jiuyousports.com.cn */
/* Palette: editorial-magazine | Radius: medium rounded | Shadow: glow-accent */
/* Spacing: generous | Transition: smooth-glow */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"centered","testimonials":"masonry","partners":"scroll","faq":"with-sidebar","stats":"inline","cta":"split"} */

:root {
    --color-primary: #3d3d3d;
    --color-primary-dark: #1a1a1a;
    --color-accent: #c44536;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 61,61,61;
    --rgb-accent: 196,69,54;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 4px rgba(26,26,26,0.06);
    --shadow-md: 0 4px 12px rgba(26,26,26,0.08), 0 0 24px rgba(196,69,54,0.35);
    --shadow-lg: 0 8px 24px rgba(26,26,26,0.1), 0 0 32px rgba(196,69,54,0.4);
    --space-section: 5rem;
    --space-card: 1.6rem;
    --space-gap: 1.5rem;
    --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { background-color: var(--color-surface); 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"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); animation: subtlePulse 5s ease-in-out infinite alternate; border: 1px solid rgba(196,69,54,0.1); background-color: #ffffff; }
.card:hover, [class*="card"]:hover { box-shadow: 0 12px 36px rgba(26,26,26,0.12), 0 0 32px rgba(196,69,54,0.6); transform: translateY(-2px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-accent); color: white; border: none; box-shadow: 0 4px 16px rgba(196,69,54,0.4); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 6px 24px rgba(196,69,54,0.6), 0 0 32px rgba(196,69,54,0.5); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); text-decoration: none; border-bottom: 1px solid transparent; }
a:not([class]):hover { border-bottom-color: var(--color-accent); }

/* ========== 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-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

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

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 28s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes subtlePulse { 0% { box-shadow: 0 4px 12px rgba(26,26,26,0.08), 0 0 24px rgba(196,69,54,0.3); } 100% { box-shadow: 0 4px 12px rgba(26,26,26,0.08), 0 0 24px rgba(196,69,54,0.45); } }

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

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; }

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

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1320px; margin: 0 auto; padding: 0 60px; }

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #c44536, #7a281e); color: white; }

/* 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: 2.2rem; --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; }
}