/* CSSVariantEngine v3.0 — link-3377-m.com.cn */
/* Palette: card-mosaic | Radius: soft | Shadow: layered */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"overlay","testimonials":"grid-3","partners":"grid-6","faq":"two-column","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #f59e0b;
    --color-accent-cyan: #06b6d4;
    --color-accent-rose: #f43f5e;
    --color-accent-emerald: #10b981;
    --color-surface: #eef2f7;
    --color-text: #1e1b2e;
    --rgb-primary: 109,40,217;
    --rgb-accent: 245,158,11;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(30, 27, 46, 0.05), 0 2px 8px rgba(30, 27, 46, 0.06);
    --shadow-md: 0 4px 8px rgba(30, 27, 46, 0.05), 0 20px 40px -10px rgba(30, 27, 46, 0.12);
    --shadow-lg: 0 8px 16px rgba(30, 27, 46, 0.06), 0 32px 64px -16px rgba(30, 27, 46, 0.18);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(80rem 40rem at 85% -5%, rgba(109, 40, 217, 0.08), transparent 60%), var(--color-surface); caret-color: var(--color-primary); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-text); }
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), inset 0 0 0 1px rgba(30, 27, 46, 0.04); padding: var(--space-card); transition: var(--transition); background: #ffffff; color: var(--color-text); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3aed, #4c1d95); color: #ffffff; box-shadow: 0 4px 8px rgba(109, 40, 217, 0.2), 0 16px 32px -10px rgba(109, 40, 217, 0.32); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: var(--color-accent); }

/* ========== 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); box-shadow: var(--shadow-md), inset 0 4px 0 0 var(--color-accent), inset 0 0 0 1px rgba(30, 27, 46, 0.04); }

/* 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: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
.hero-content { position: relative; z-index: 1; }

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

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

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #6d28d9 0%, #4c1d95 40%, #3730a3 75%, #1e1b4b 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; }
}