/* CSSVariantEngine v3.0 — portal-info-long8sports.com.cn */
/* Palette: slate-blue | Radius: generous | Shadow: layered */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"horizontal","hero":"left-aligned","testimonials":"stacked","partners":"grid-6","faq":"single-column","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #f97316;
    --color-surface: #f1f5f9;
    --color-text: #0f172a;
    --rgb-primary: 37,99,235;
    --rgb-accent: 249,115,22;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 6px rgba(15,23,42,0.06), 0 1px 3px rgba(15,23,42,0.04);
    --shadow-md: 0 6px 12px -3px rgba(15,23,42,0.1), 0 3px 6px -3px rgba(15,23,42,0.06), 0 0 0 1px rgba(15,23,42,0.05);
    --shadow-lg: 0 14px 28px -8px rgba(15,23,42,0.2), 0 6px 12px -6px rgba(15,23,42,0.12);
    --space-section: 6rem;
    --space-card: 2.4rem;
    --space-gap: 1.8rem;
    --transition: 0.45s cubic-bezier(0.25, 0, 0.25, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(0,0,0,0.04); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(135deg, #f8fafc, #eef2ff); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(135deg, #ffffff, #f1f5f9); border: 1px solid transparent; border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent)) 1; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #ffffff; box-shadow: var(--shadow-sm); border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); filter: drop-shadow(0 1px 2px rgba(37,99,235,0.2)); }

/* ========== 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: 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-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

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

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

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #1e293b, #334155); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: #ffffff; }

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

/* 条件性装饰 */
.card { border: 1px solid transparent; border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent)) 1; }
header, .header, .navbar { background: linear-gradient(135deg, #1e293b, #334155); backdrop-filter: blur(8px); }

/* 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: 2.2rem; --space-card: 1.1rem; --space-gap: 0.85rem; }
    .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; }
}