/* CSSVariantEngine v3.0 — ps-pgsoft.com.cn */
/* Palette: vivid violet-teal | Radius: asymmetric organic | Shadow: multi-layer gradient | Spacing: mixed tight-loose | Transition: smooth long curve */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"split","testimonials":"masonry","partners":"centered","faq":"two-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4f46e5;
    --color-accent: #ec4899;
    --color-surface: #f0f9ff;
    --color-text: #1e1b4b;
    --rgb-primary: 124, 58, 237;
    --rgb-accent: 236, 72, 153;
    --radius-sm: 4px;
    --radius-md: 20px;
    --radius-lg: 36px;
    --radius-xl: 48px;
    --shadow-sm: 2px 2px 8px rgba(79, 70, 229, 0.12), -1px -1px 4px rgba(255, 255, 255, 0.75);
    --shadow-md: 5px 7px 20px rgba(79, 70, 229, 0.2), 1px 1px 5px rgba(255, 255, 255, 0.65), inset 0 0 0 1px rgba(255, 255, 255, 0.4);
    --shadow-lg: 10px 15px 38px rgba(79, 70, 229, 0.28), 3px 3px 10px rgba(255, 255, 255, 0.55), inset 0 0 0 1px rgba(255, 255, 255, 0.5);
    --space-section: 2.1rem;
    --space-card: 1.1rem;
    --space-gap: 0.9rem;
    --transition: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #f8fafc 0%, #f0e7ff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 3px rgba(79, 70, 229, 0.15); }
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%, #f8fafc 100%); }
.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: white; box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* 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: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* 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(90deg, var(--color-primary) 0%, var(--color-accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* cta: card-style */
.cta-inner { background: radial-gradient(circle at top left, #f0f9ff 0%, #e0e7ff 50%, #fbcfe8 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; border: 2px solid transparent; border-image: linear-gradient(45deg, #7c3aed, #ec4899, #06b6d4) 1; box-shadow: var(--shadow-lg); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 6px rgba(236, 72, 153, 0.3); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #7c3aed 0%, #ec4899 42%, #06b6d4 100%); }
.card { border: 1px solid transparent; border-image: linear-gradient(45deg, rgba(124,58,237,0.3), rgba(236,72,153,0.3)) 1; }
header, .header, .navbar { background: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.7) 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: 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; }
}