/* CSSVariantEngine v3.0 — int-yabosports.tj.cn */
/* Palette: indigo-cyan | Radius: glow-rounded | Shadow: layered-halo */
/* Spacing: balanced | Transition: smooth-decel */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"left-aligned","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #4d5bf0;
    --color-primary-dark: #1b2140;
    --color-accent: #2dd4e8;
    --color-surface: #f2f6ff;
    --color-text: #1a2138;
    --color-sidebar: #252e3a;
    --color-sidebar-deep: #1c242e;
    --rgb-primary: 77,91,240;
    --rgb-accent: 45,212,232;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(26,33,56,.10), 0 0 12px rgba(var(--rgb-accent),.22);
    --shadow-md: 0 12px 26px -10px rgba(26,33,56,.28), 0 0 24px rgba(var(--rgb-accent),.32);
    --shadow-lg: 0 20px 48px -12px rgba(26,33,56,.34), 0 0 36px rgba(var(--rgb-accent),.48);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); accent-color: var(--color-primary); caret-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); text-shadow: 0 0 18px rgba(var(--rgb-accent),.30); }
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); background-color: rgba(255,255,255,.94); border-color: rgba(var(--rgb-accent),.35); border-style: solid; backdrop-filter: blur(6px) saturate(1.15); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); background-image: linear-gradient(135deg, var(--color-primary), #6f7dff 52%, var(--color-accent)); color: #ffffff; box-shadow: 0 0 18px rgba(var(--rgb-accent),.40); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-accent),.55); text-shadow: 0 0 12px rgba(var(--rgb-accent),.28); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); column-rule-color: rgba(var(--rgb-accent),.30); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; color: var(--color-sidebar); }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* 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: var(--shadow-lg); }
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: 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; }
}