/* CSSVariantEngine v3.0 — zhs-migusports.com.cn */
/* Palette: bold-contrast | Radius: tiny | Shadow: subtle | Spacing: compact | Transition: snappy */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"left-aligned","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #dc2626;
    --color-primary-dark: #991b1b;
    --color-accent: #10b981;
    --color-surface: #fffbeb;
    --color-text: #1c1917;
    --rgb-primary: 220, 38, 38;
    --rgb-accent: 16, 185, 129;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 5px;
    --radius-xl: 6px;
    --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.12);
    --shadow-md: 0 2px 3px rgba(28, 25, 23, 0.14);
    --shadow-lg: 0 2px 5px rgba(28, 25, 23, 0.16);
    --space-section: 3rem;
    --space-card: 0.875rem;
    --space-gap: 0.625rem;
    --transition: 0.15s ease-out;
    --heading-weight: 700;
    --body-line-height: 1.55;
}

/* 基础覆盖 */
body { background-color: var(--color-surface); color: var(--color-text); line-height: var(--body-line-height); caret-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 0 rgba(255,255,255,0.6); }
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); border: 1px solid var(--color-primary-dark); background-color: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #ffffff; border: 2px solid var(--color-primary-dark); accent-color: var(--color-accent); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background-color: var(--color-accent); border-color: #065f46; color: #ffffff; transform: translateY(-1px); }
a:not([class]) { color: var(--color-primary-dark); transition: var(--transition); text-decoration-thickness: 2px; text-decoration-color: var(--color-accent); }

/* ========== Section Layout Variants ========== */

/* news: featured-left */
/* 左大右小 (1大+2小) */
.news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
.news-grid > *:first-child { grid-row: span 2; background-color: #fef2f2; border-color: var(--color-primary); }
.news-grid > *:nth-child(2) { background-color: #f0fdf4; border-color: var(--color-accent); }
.news-grid > *:nth-child(3) { background-color: #fef3c7; border-color: #f59e0b; }

/* features: centered */
/* 居中大卡片 */
.feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }
.feature-list .card { background-color: #f0fdf4; border-color: var(--color-accent); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }
.hero-inner { background-color: #fef2f2; border-top: 3px solid var(--color-primary); border-bottom: 3px solid var(--color-primary-dark); }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
.testimonial-list .card { background-color: #fef3c7; border-color: #f59e0b; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { border: 2px solid var(--color-primary-dark); border-radius: var(--radius-sm); padding: 0.5rem 1rem; background-color: #ffffff; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card { background-color: #ecfeff; border-color: #0ea5e9; }

/* 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-dark); text-shadow: 0 2px 0 rgba(16, 185, 129, 0.3); }
.stats-grid .card { background-color: #f0f9ff; border-color: #0284c7; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; padding: 1rem; background-color: #fef2f2; border: 3px solid var(--color-primary); border-radius: var(--radius-md); }

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

/* 条件性装饰 */
.card { border-left: 4px 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: 1.5rem; --space-card: 0.75rem; --space-gap: 0.5rem; }
    .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; }
}