/* CSSVariantEngine v3.0 — zh-sinuoketiyu.tj.cn */
/* Palette: violet-mint | Radius: soft | Shadow: layered-soft */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-4","hero":"left-aligned","testimonials":"grid-3","partners":"centered","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #3b0764;
    --color-accent: #06b6d4;
    --color-surface: #f5f3ff;
    --color-text: #1e1b4b;
    --rgb-primary: 109,40,217;
    --rgb-accent: 6,182,212;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 2px rgba(59,7,100,0.05), 0 2px 6px rgba(59,7,100,0.07);
    --shadow-md: 0 4px 8px rgba(59,7,100,0.06), 0 20px 40px -10px rgba(59,7,100,0.15);
    --shadow-lg: 0 8px 18px rgba(59,7,100,0.08), 0 36px 64px -14px rgba(59,7,100,0.24);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.42s 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: var(--color-surface); accent-color: var(--color-primary); caret-color: var(--color-primary); }
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-xl); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

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

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); border-radius: var(--radius-xl); background: linear-gradient(135deg, rgba(6,182,212,0.09), rgba(109,40,217,0.05)); }

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

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); border-radius: var(--radius-xl); background: rgba(109,40,217,0.06); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; border-radius: var(--radius-xl); background: rgba(6,182,212,0.07); }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; border-radius: var(--radius-xl); background: rgba(109,40,217,0.04); }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; border-radius: var(--radius-xl); background: linear-gradient(135deg, rgba(109,40,217,0.07), rgba(6,182,212,0.08)); }
                .stats-grid .stat-value { font-size: 3rem; color: var(--color-primary-dark); text-shadow: 0 4px 14px rgba(109,40,217,0.18); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #3b0764, #6d28d9 55%, #06b6d4); color: #f5f3ff; padding: 4rem 2rem; box-shadow: var(--shadow-lg); }

/* 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(-4px); box-shadow: 0 0 0 1px rgba(109,40,217,0.10), 0 10px 20px rgba(59,7,100,0.10), 0 40px 72px -16px rgba(59,7,100,0.28); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #6d28d9 0%, #3b0764 55%, #0891b2 100%); }
header, .header, .navbar { background: transparent; }

/* 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; }
}