:/* CSSVariantEngine v3.0 — vn-h5-kaiyun.com */
/* Palette: vibrant-mosaic | Radius: medium | Shadow: glow */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"grid-4","hero":"centered","testimonials":"grid-3","partners":"centered","faq":"two-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #5b21b6;
    --color-accent: #f59e0b;
    --color-surface: #faf5ff;
    --color-text: #1e1b2e;
    --rgb-primary: 124,58,237;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(124,58,237,.15), 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 16px rgba(124,58,237,.25), 0 0 24px rgba(245,158,11,.15);
    --shadow-lg: 0 8px 28px rgba(124,58,237,.35), 0 0 32px rgba(245,158,11,.25);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(135deg, #f5f3ff 0%, #fdf4ff 50%, #faf5ff 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); border: 1px solid rgba(var(--rgb-primary), .12); background: rgba(255,255,255,.85); backdrop-filter: blur(8px); }
.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-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > .card { background: linear-gradient(145deg, #ede9fe, #faf5ff); border-left: 4px solid #8b5cf6; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }
.feature-list > .card { background: linear-gradient(145deg, #fef3c7, #fffbeb); border-top: 4px solid #f59e0b; }

/* 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); }
.testimonial-list > .card { background: linear-gradient(145deg, #d1fae5, #ecfdf5); border-right: 4px solid #10b981; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > .card { background: linear-gradient(145deg, #e0e7ff, #eef2ff); border-bottom: 4px solid #6366f1; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list > .card { background: linear-gradient(145deg, #fce7f3, #fdf2f8); border-left: 4px solid #ec4899; }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; }
                .stats-grid > .card { background: linear-gradient(145deg, #c7d2fe, #e0e7ff); border-radius: var(--radius-xl); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.cta-inner > .card { background: linear-gradient(145deg, #fde68a, #fef3c7); border: 2px solid #f59e0b; }

/* 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), 0 0 32px rgba(var(--rgb-accent), .35); }
.card { border: 1px solid rgba(var(--rgb-primary), .08); }

/* 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; }
}