/* CSSVariantEngine v3.0 — zhs-aokeguanwang.com.cn */
/* Palette: neon-indigo | Radius: soft-medium | Shadow: glow */
/* Spacing: mosaic-spacious | Transition: smooth-glow */
/* Section layouts: {"news":"featured-left","features":"horizontal","hero":"overlay","testimonials":"grid-3","partners":"centered","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-accent: #ec4899;
    --color-surface: #0f172a;
    --color-text: #f1f5f9;
    --rgb-primary: 99, 102, 241;
    --rgb-accent: 236, 72, 153;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.2);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4);
    --shadow-lg: 0 0 32px rgba(var(--rgb-primary), 0.5);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

@keyframes softPulse {
    0% { box-shadow: 0 0 18px rgba(var(--rgb-accent), 0.3); }
    100% { box-shadow: 0 0 26px rgba(var(--rgb-primary), 0.45); }
}

/* 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: #1e293b; animation: softPulse 4s ease-in-out infinite alternate; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; border: none; box-shadow: 0 0 16px rgba(var(--rgb-primary), 0.4); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.7); transform: translateY(-2px); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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; background-color: #1e293b; }
.news-grid > *:nth-child(2) { background-color: #312e81; }
.news-grid > *:nth-child(3) { background-color: #831843; }

/* features: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: linear-gradient(120deg, #1e1b4b 0%, #500724 100%); }
.hero-content { position: relative; z-index: 1; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list > *:nth-child(odd) { background-color: #312e81; }
.testimonial-list > *:nth-child(even) { background-color: #831843; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { filter: brightness(0) invert(1); opacity: 0.7; transition: var(--transition); }
.partner-grid > *:hover { opacity: 1; filter: drop-shadow(0 0 12px rgba(var(--rgb-accent), 0.6)); }

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

/* 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; color: var(--color-accent); text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.6); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: #fff; padding: 4rem 2rem; box-shadow: 0 0 40px rgba(var(--rgb-primary), 0.5); }

/* 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 8px rgba(var(--rgb-accent), 0.5); }
.card { border-left: 3px solid transparent; border-image: linear-gradient(to bottom, var(--color-primary), var(--color-accent)) 1; }
.card:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6); transform: translateY(-3px); }

/* 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; }
}