/* CSSVariantEngine v3.0 — datangyangche.com */
/* Palette: violet-pink glow | Radius: medium rounded | Shadow: neon glow */
/* Spacing: asymmetric mixed | Transition: bouncy smooth */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"centered","testimonials":"masonry","partners":"grid-6","faq":"single-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #5b21b6;
    --color-accent: #ec4899;
    --color-surface: #fdf4ff;
    --color-text: #1e1b4b;
    --rgb-primary: 124,58,237;
    --rgb-accent: 236,72,153;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary),0.1), 0 0 12px rgba(var(--rgb-accent),0.15);
    --shadow-md: 0 4px 16px rgba(var(--rgb-primary),0.15), 0 0 24px rgba(var(--rgb-accent),0.2);
    --shadow-lg: 0 8px 24px rgba(var(--rgb-primary),0.2), 0 0 32px rgba(var(--rgb-accent),0.35);
    --space-section: 5.5rem;
    --space-card: 2.2rem;
    --space-gap: 1.25rem;
    --transition: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

@keyframes soft-pulse {
    0%, 100% { box-shadow: var(--shadow-md); }
    50% { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.45); }
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); caret-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(var(--rgb-primary), 0.1); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.hero-section { background: linear-gradient(180deg, #fdf4ff 0%, #f5f3ff 100%); }
.features-section { background: #fdf2f8; }
.testimonials-section { background: #f5f3ff; }
.partners-section { background: #fdf4ff; }
.faq-section { background: #fdf2f8; }
.stats-section { background: #f5f3ff; }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); animation: soft-pulse 3.5s infinite ease-in-out; border: 2px solid rgba(var(--rgb-accent), 0.25); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); border: 2px solid transparent; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; box-shadow: 0 0 18px rgba(var(--rgb-accent), 0.3); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6); border-color: white; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); accent-color: var(--color-accent); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
.news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
.news-grid > *:first-child { grid-row: span 2; }

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

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

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

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

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

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

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-accent) 100%); color: #fff; padding: 4rem 2rem; box-shadow: inset 0 0 60px rgba(255,255,255,0.1); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6), 0 12px 30px rgba(var(--rgb-primary), 0.25); animation-play-state: paused; border-color: var(--color-accent); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.5); }
header, .header, .navbar { background: rgba(253, 244, 255, 0.88); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(var(--rgb-accent), 0.15); }

/* 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; }
}