/* CSSVariantEngine v3.0 — home4-kai-yunsports.com.cn */
/* Palette: plum-terracotta | Radius: rounded | Shadow: layered */
/* Spacing: airy | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"grid-4","hero":"centered","testimonials":"stacked","partners":"grid-4","faq":"single-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #2f2a3d;
    --color-primary-dark: #191524;
    --color-accent: #d97757;
    --color-surface: #faf7f2;
    --color-text: #211c30;
    --rgb-primary: 47,42,61;
    --rgb-accent: 217,119,87;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 36px;
    --shadow-sm: 0 2px 6px rgba(var(--rgb-primary), .06), 0 6px 16px rgba(var(--rgb-primary), .05);
    --shadow-md: 0 6px 16px rgba(var(--rgb-primary), .08), 0 18px 36px rgba(var(--rgb-accent), .10);
    --shadow-lg: 0 12px 28px rgba(var(--rgb-primary), .10), 0 32px 64px rgba(var(--rgb-accent), .14);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background:
        radial-gradient(1200px 600px at 85% -10%, rgba(var(--rgb-accent), .09), transparent 60%),
        radial-gradient(900px 500px at -10% 10%, rgba(var(--rgb-primary), .07), transparent 55%),
        var(--color-surface);
    caret-color: var(--color-accent);
    accent-color: var(--color-accent);
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    text-shadow: 0 2px 18px rgba(var(--rgb-primary), .10);
}
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 0 1px rgba(var(--rgb-primary), .06), var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background: rgba(255,255,255,.65);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(var(--rgb-accent), .16);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(var(--rgb-accent), .55);
}

/* ========== 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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

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

/* 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-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3.5rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2.25rem; }

/* 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: inset 0 0 0 1px rgba(var(--rgb-accent), .14), var(--shadow-lg);
}
.card {
    border-left: 3px solid 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; }
}