/* CSSVariantEngine v3.0 — zh-pgsoft.cn */
/* Palette: pinterest-glow | Radius: medium-rounded | Shadow: neon-halo */
/* Spacing: medium | Transition: smooth-glow */
/* Section layouts: {"news":"featured-top","features":"centered","hero":"split","testimonials":"masonry","partners":"grid-4","faq":"single-column","stats":"inline","cta":"card-style"} */

@keyframes softPulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(139,92,246, 0.15), 0 0 12px rgba(139,92,246, 0.2); }
    50% { box-shadow: 0 4px 18px rgba(139,92,246, 0.18), 0 0 16px rgba(139,92,246, 0.28); }
}

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #8b5cf6;
    --color-surface: #f8fafc;
    --color-text: #0f172a;
    --rgb-primary: 37,99,235;
    --rgb-accent: 139,92,246;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(139,92,246, 0.1);
    --shadow-md: 0 4px 16px rgba(139,92,246, 0.15), 0 0 12px rgba(139,92,246, 0.2);
    --shadow-lg: 0 8px 24px rgba(37,99,235, 0.18), 0 0 28px rgba(139,92,246, 0.4);
    --space-section: 2.25rem;
    --space-card: 1.25rem;
    --space-gap: 1.25rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
    caret-color: var(--color-accent);
    accent-color: var(--color-primary);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #f1f5f9; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(0,0,0,0.05); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { background: #ffffff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); animation: softPulse 4s ease-in-out infinite; border-style: solid; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; border: none; outline: 2px solid transparent; }
.btn:focus, button[class*="btn"]:focus, a[class*="btn"]:focus { outline-color: var(--color-accent); outline-offset: 2px; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; text-underline-offset: 3px; }

/* ========== 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 > *:first-child { grid-column: span 3; }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

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

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

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #eff6ff 0%, #faf5ff 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 0 24px rgba(var(--rgb-accent), 0.3); }

/* 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: 0 12px 32px rgba(37,99,235, 0.22), 0 0 32px rgba(var(--rgb-accent), 0.6); animation: none; }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.3); }
.card { border: 1px solid rgba(var(--rgb-accent), .1); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 20px rgba(var(--rgb-accent), 0.5); transform: scale(1.03); }

/* 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; }
}