/* CSSVariantEngine v3.0 — home5-ml.com.cn */
/* Palette: card-mosaic | Radius: medium-soft | Shadow: glow */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-2","hero":"split","testimonials":"grid-3","partners":"centered","faq":"two-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #2e1065;
    --color-accent: #f43f5e;
    --color-surface: #f8f7fc;
    --color-text: #1e1b3a;
    --rgb-primary: 109, 40, 217;
    --rgb-accent: 244, 63, 94;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 2px 6px rgba(30,27,58,.08), 0 0 12px rgba(244,63,94,.16);
    --shadow-md: 0 8px 20px rgba(30,27,58,.10), 0 0 24px rgba(244,63,94,.4), 0 2px 6px rgba(30,27,58,.06);
    --shadow-lg: 0 14px 32px rgba(30,27,58,.16), 0 0 36px rgba(244,63,94,.55), 0 4px 10px rgba(30,27,58,.08);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
    --card-news: #fff1f2;
    --card-feature: #e0f2fe;
    --card-testimonial: #f3e8ff;
    --card-faq: #fef9c3;
    --card-stats: #dcfce7;
    --card-partner: #ffedd5;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); }
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-color: rgba(255,255,255,.72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--color-text); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #fff; box-shadow: 0 6px 16px rgba(109,40,217,.28), 0 0 18px rgba(244,63,94,.22); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.news-grid > * { background-color: var(--card-news); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border-left-color: var(--color-accent); }
.news-grid > *:first-child { grid-column: span 3; background-image: linear-gradient(135deg, rgba(244,63,94,.06), rgba(244,63,94,.18)); box-shadow: var(--shadow-lg); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }
.feature-list > * { background-color: var(--card-feature); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border-left-color: #0284c7; }

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

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list > * { background-color: var(--card-testimonial); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border-left-color: #7c3aed; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { background-color: var(--card-partner); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border-left-color: #ea580c; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list > * { background-color: var(--card-faq); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border-left-color: #d97706; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * { background-color: var(--card-stats); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border-left-color: #059669; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg), 0 0 32px rgba(244,63,94,.6); animation: none; }

@keyframes heroGlow {
    0%, 100% { box-shadow: 0 0 18px rgba(244,63,94,.25), 0 10px 30px rgba(46,16,101,.3); }
    50% { box-shadow: 0 0 40px rgba(244,63,94,.5), 0 14px 40px rgba(46,16,101,.4); }
}

.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #4c1d95 0%, #db2777 70%, #f43f5e 100%); color: #fff; animation: heroGlow 5s ease-in-out infinite; }
.card { border-left: 3px solid var(--color-accent); }

/* 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; }
}