/* CSSVariantEngine v3.0 — pc-3377-home.com.cn */
/* Palette: violet-fuchsia | Radius: medium | Shadow: glow */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"grid-3","features":"grid-3","hero":"split","testimonials":"carousel","partners":"scroll","faq":"two-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #e879f9;
    --color-surface: #faf7ff;
    --color-text: #2e1065;
    --rgb-primary: 124,58,237;
    --rgb-accent: 232,121,249;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.04), 0 0 12px rgba(var(--card-glow-rgb, var(--rgb-accent)), 0.15);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.06), 0 0 24px rgba(var(--card-glow-rgb, var(--rgb-accent)), 0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1), 0 0 32px rgba(var(--card-glow-rgb, var(--rgb-accent)), 0.6);
    --space-section: 2.25rem;
    --space-card: 1.1rem;
    --space-gap: 0.9rem;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
    accent-color: var(--color-primary);
    caret-color: var(--color-accent);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(165deg, var(--color-surface) 0%, #fdf2f8 50%, #f5f3ff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.2); }
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); animation: glowPulse 3.5s ease-in-out infinite; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: #fff; box-shadow: 0 0 20px rgba(var(--rgb-primary), 0.35); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.3); transition: var(--transition); }

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

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2.25rem; align-items: center; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; }
.testimonial-list > * { flex: 0 0 100%; }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2.25rem; overflow: hidden; animation: partnerScroll 24s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 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: 2.25rem; }
.stats-grid .stat-value { font-size: 3rem; text-shadow: 0 0 24px rgba(var(--rgb-accent), 0.5); }

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

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

/* Mosaic accent glows */
.news-grid [class*="card"] { --card-glow-rgb: 124,58,237; --card-accent: #7c3aed; }
.feature-list [class*="card"] { --card-glow-rgb: 236,72,153; --card-accent: #ec4899; }
.faq-list [class*="card"] { --card-glow-rgb: 245,158,11; --card-accent: #f59e0b; }
.testimonial-list [class*="card"] { --card-glow-rgb: 6,182,212; --card-accent: #06b6d4; }
.partner-grid [class*="card"] { --card-glow-rgb: 139,92,246; --card-accent: #8b5cf6; }
.stats-grid [class*="card"] { --card-glow-rgb: 244,63,94; --card-accent: #f43f5e; }
.hero-inner [class*="card"] { --card-glow-rgb: 16,185,129; --card-accent: #10b981; }
.cta-inner [class*="card"] { --card-glow-rgb: 249,115,22; --card-accent: #f97316; }

/* Glow pulse animation */
@keyframes glowPulse {
    0%, 100% { box-shadow: var(--shadow-md); }
    50% { box-shadow: 0 4px 14px rgba(0,0,0,0.08), 0 0 28px rgba(var(--card-glow-rgb, var(--rgb-accent)), 0.5); }
}

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); animation: none; }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.6); }
.card { border-left: 3px solid var(--card-accent, var(--color-primary)); }
header, .header, .navbar { box-shadow: 0 2px 16px rgba(var(--rgb-primary), 0.15), 0 0 24px rgba(var(--rgb-accent), 0.06); }

/* 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: 0.8rem; }
    .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; }
}