/* CSSVariantEngine v3.0 — zh-pgdianzimoniqiyouxi.gd.cn */
/* Palette: azure-lavender | Radius: soft-rounded | Shadow: multi-layer gradient */
/* Spacing: balanced | Transition: smooth long */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"left-aligned","testimonials":"stacked","partners":"scroll","faq":"with-sidebar","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #a855f7;
    --color-surface: #f0f9ff;
    --color-text: #1e293b;
    --rgb-primary: 37, 99, 235;
    --rgb-accent: 168, 85, 247;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(37,99,235,0.12), 0 1px 3px rgba(168,85,247,0.08);
    --shadow-md: 0 6px 16px rgba(37,99,235,0.15), 0 3px 6px rgba(168,85,247,0.1), 0 1px 2px rgba(37,99,235,0.07);
    --shadow-lg: 0 12px 32px rgba(37,99,235,0.18), 0 6px 12px rgba(168,85,247,0.12), 0 2px 4px rgba(37,99,235,0.09), 0 0 0 1px rgba(168,85,247,0.05);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(circle at 10% 10%, rgba(37,99,235,0.05) 0%, transparent 50%), radial-gradient(circle at 90% 90%, rgba(168,85,247,0.05) 0%, transparent 50%), 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: radial-gradient(circle at top left, #ffffff 0%, #f8faff 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: white; text-shadow: 0 1px 2px rgba(0,0,0,0.1); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 1px rgba(37,99,235,0.1); }

/* ========== 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: 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: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 24s ease-in-out infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

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

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg), 0 0 20px rgba(168,85,247,0.15); }
a:not([class]):hover { color: #7c3aed; }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 35%, #a855f7 70%, #7c3aed 100%); }
.card { border: 2px solid transparent; border-image: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(168,85,247,0.2)) 1; }

/* 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; }
}