/* CSSVariantEngine v3.0 — zh-nangongsports.com */
/* Palette: harmonious teal-lavender | Radius: generous rounded | Shadow: multi-layer gradient tinted */
/* Spacing: uniform 24px gaps | Transition: smooth 0.55s cubic-bezier */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"centered","testimonials":"grid-3","partners":"centered","faq":"single-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #a855f7;
    --color-surface: #f0f4ff;
    --color-text: #1e293b;
    --rgb-primary: 37,99,235;
    --rgb-accent: 168,85,247;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(37,99,235,0.08), 0 2px 6px rgba(168,85,247,0.06);
    --shadow-md: 0 4px 12px rgba(37,99,235,0.1), 0 8px 24px rgba(168,85,247,0.08);
    --shadow-lg: 0 8px 24px rgba(37,99,235,0.12), 0 16px 48px rgba(168,85,247,0.1), 0 24px 64px rgba(37,99,235,0.06);
    --space-section: 2.5rem;
    --space-card: 1.25rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.25, 0.1, 0.25, 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: linear-gradient(180deg, #f8faff 0%, #f0f4ff 100%); }
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); background: linear-gradient(145deg, #ffffff 0%, #f7f9ff 100%); border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(168,85,247,0.1)) 1; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: #ffffff; border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-underline-offset: 2px; }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1); }

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

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* 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: 3rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, rgba(37,99,235,0.05) 0%, rgba(168,85,247,0.08) 50%, rgba(99,102,241,0.06) 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(168,85,247,0.2)) 1; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-image: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(168,85,247,0.3)) 1; }
header, .header, .navbar { background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(248,250,255,0.85) 100%); backdrop-filter: blur(12px); }

/* 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: 1.5rem; }
    .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; }
}