/* CSSVariantEngine v3.0 — cloud-group-kaiyun.com */
/* Palette: mosaic-vibrant | Radius: soft-rounded | Shadow: layered-elevation */
/* Spacing: tight | Transition: smooth-gradient */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"centered","testimonials":"stacked","partners":"centered","faq":"two-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #f472b6;
    --color-surface: #faf5ff;
    --color-text: #2e1065;
    --rgb-primary: 109,40,217;
    --rgb-accent: 244,114,182;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --shadow-sm: 0 2px 6px rgba(109,40,217,.12), 0 1px 3px rgba(244,114,182,.08);
    --shadow-md: 0 6px 18px rgba(109,40,217,.16), 0 3px 8px rgba(244,114,182,.1), 0 0 0 1px rgba(109,40,217,.04);
    --shadow-lg: 0 18px 40px rgba(109,40,217,.2), 0 8px 16px rgba(244,114,182,.12), 0 0 0 1px rgba(109,40,217,.06);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(160deg, #faf5ff 0%, #fdf2f8 50%, #eef2ff 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%, #faf5ff 55%, #fdf2f8 100%); border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(109,40,217,.35), rgba(244,114,182,.35), rgba(56,189,248,.3)) 1; }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); background: linear-gradient(145deg, #ffffff 0%, #f5f3ff 40%, #fce7f3 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #6d28d9 0%, #a855f7 50%, #ec4899 100%); color: #fff; box-shadow: 0 4px 14px rgba(109,40,217,.28), 0 2px 6px rgba(236,72,153,.18); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 8px 24px rgba(109,40,217,.38), 0 4px 10px rgba(236,72,153,.25); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); }

/* ========== 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: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; background: radial-gradient(ellipse at 50% 0%, rgba(109,40,217,.08) 0%, rgba(244,114,182,.05) 40%, transparent 70%); }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

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

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

/* 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; background: linear-gradient(135deg, #6d28d9 0%, #a855f7 45%, #ec4899 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #4c1d95 0%, #6d28d9 35%, #a855f7 65%, #ec4899 100%); color: #fff; padding: 4rem 2rem; box-shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 12px 40px rgba(76,29,149,.3); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
header, .header, .navbar { box-shadow: 0 4px 16px rgba(109,40,217,.1), 0 2px 6px rgba(244,114,182,.06); background: linear-gradient(90deg, rgba(250,245,255,.95) 0%, rgba(253,242,248,.95) 100%); }

/* 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; }
}