/* CSSVariantEngine v3.0 — m5-kaiyuan-sports.cn */
/* Palette: harbor | Radius: flat | Shadow: flat */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"horizontal","hero":"split","testimonials":"carousel","partners":"centered","faq":"with-sidebar","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #0e7c7b;
    --color-primary-dark: #0a5d5c;
    --color-accent: #e76f51;
    --color-surface: #f4efe6;
    --color-surface-alt: #ffffff;
    --color-dark: #16324f;
    --color-text: #1d2b3a;
    --color-text-invert: #f4efe6;
    --color-border: rgba(13,79,79,0.15);
    --rgb-primary: 14,124,123;
    --rgb-accent: 231,111,81;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 4px;
    --radius-xl: 6px;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.25s ease-in-out;
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); background-color: var(--color-surface-alt); 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: none; outline: 1px solid var(--color-border); background-color: var(--color-surface-alt); color: var(--color-text); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); background-color: var(--color-primary); color: #ffffff; transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* Horizontal strip backgrounds */
section:nth-of-type(odd),
.section:nth-of-type(odd) {
    background-color: var(--color-dark);
    color: var(--color-text-invert);
}
section:nth-of-type(even),
.section:nth-of-type(even) {
    background-color: var(--color-surface);
    color: var(--color-text);
}
section:nth-of-type(odd) a:not([class]),
.section:nth-of-type(odd) a:not([class]) {
    color: var(--color-accent);
}

/* ========== 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: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* 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: 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: 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); }

/* 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: 2.25rem; --space-card: 1.125rem; --space-gap: 0.875rem; }
    .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; }
}