/* CSSVariantEngine v3.0 — link2-kai-yunsports.com.cn */
/* Palette: teal-amber | Radius: soft | Shadow: layered-soft */
/* Spacing: roomy | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"grid-4","hero":"left-aligned","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #f59e0b;
    --color-surface: #f0fdfa;
    --color-text: #111827;
    --rgb-primary: 15,118,110;
    --rgb-accent: 245,158,11;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 22px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 4px 12px rgba(15,23,42,0.06);
    --shadow-md: 0 6px 12px -4px rgba(15,23,42,0.08), 0 24px 48px -12px rgba(15,23,42,0.12);
    --shadow-lg: 0 12px 24px -6px rgba(15,23,42,0.10), 0 32px 64px -16px rgba(15,23,42,0.16);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.4s ease;
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* Base overrides */
body { 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); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* four-column compact grid */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.7); background: var(--color-surface); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.85); background: #fffbeb; }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: stacked */
/* vertical stack */
.testimonial-list { display: flex; flex-direction: column; gap: calc(var(--space-gap) * 0.9); max-width: 720px; margin: 0 auto; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.6); align-items: center; background: #f8fafc; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--space-gap) * 0.85); background: var(--color-surface); }

/* stats: inline */
/* horizontal row */
.stats-grid { display: flex; justify-content: center; gap: 2.5rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 1.75rem; }

/* Page Layout: wide */
/* extra-wide page */
.page-main { max-width: 1400px; margin: 0 auto; }

/* Conditional decoration */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(120deg, #042f2e 0%, #134e4a 55%, #0f766e 100%); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { box-shadow: 0 1px 2px rgba(15,23,42,0.04), 0 8px 24px -8px rgba(15,23,42,0.06); }

/* 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: 1.8rem; --space-card: 0.85rem; --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; }
}