/* CSSVariantEngine v3.0 — zh-zuxie.net.cn */
/* Palette: neon-glow | Radius: medium-rounded | Shadow: glow-rich */
/* Spacing: airy | Transition: smooth-glow */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"minimal","testimonials":"grid-3","partners":"centered","faq":"with-sidebar","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #6d28d9;
    --color-accent: #06b6d4;
    --color-surface: #0f172a;
    --color-text: #f1f5f9;
    --rgb-primary: 124, 58, 237;
    --rgb-accent: 6, 182, 212;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent), 0.2), 0 2px 4px rgba(0,0,0,0.15);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent), 0.4), 0 4px 8px rgba(0,0,0,0.2);
    --shadow-lg: 0 0 32px rgba(var(--rgb-accent), 0.6), 0 8px 16px rgba(0,0,0,0.25);
    --space-section: 2.5rem;
    --space-card: 1.25rem;
    --space-gap: 1.75rem;
    --transition: 0.4s ease-out;
    --heading-weight: 800;
    --body-line-height: 1.7;
    accent-color: var(--color-primary);
    caret-color: var(--color-accent);
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 18px rgba(var(--rgb-accent), 0.3); }
    100% { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.5); }
}

/* 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: pulse-glow 3.5s 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: 1px solid var(--color-accent); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: minimal */
.hero { padding: 2rem 0; background: radial-gradient(circle at top left, rgba(var(--rgb-primary), 0.15), transparent 60%); } .hero-content { max-width: 560px; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

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

/* 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; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: 0 0 40px rgba(var(--rgb-accent), 0.7), var(--shadow-lg); animation-play-state: paused; border-color: var(--color-primary); }
a:not([class]):hover { color: #22d3ee; text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.6); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { box-shadow: 0 0 16px rgba(var(--rgb-primary), 0.3), 0 2px 12px rgba(0,0,0,0.2); background-color: rgba(15, 23, 42, 0.85); backdrop-filter: blur(8px); }

/* 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; }
}