/* CSSVariantEngine v3.0 — gloab-huangguan-qq.com.cn */
/* Palette: asymmetric-cyan-orange | Radius: micro-rounded | Shadow: ultra-subtle */
/* Spacing: tight-compact | Transition: snappy */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"overlay","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #0ea5e9;
    --color-primary-dark: #0369a1;
    --color-accent: #f97316;
    --color-surface: #f8fafc;
    --color-text: #0f172a;
    --rgb-primary: 14,165,233;
    --rgb-accent: 249,115,22;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 6px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.07), 0 1px 1px rgba(15,23,42,.04);
    --shadow-md: 0 2px 4px rgba(15,23,42,.09), 0 1px 2px rgba(15,23,42,.05);
    --shadow-lg: 0 3px 6px rgba(15,23,42,.08), 0 2px 3px rgba(15,23,42,.04);
    --space-section: 2.5rem;
    --space-card: 1rem;
    --space-gap: 0.875rem;
    --transition: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 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); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: var(--space-card); transition: var(--transition); background-color: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

/* ========== 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; background-color: #e0f2fe; border: 1px solid #0ea5e9; }

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

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; }

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

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 1.5rem; overflow: hidden; animation: partnerScroll 18s linear 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: 1.5rem; }

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

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 1.5rem; background-color: #fff7ed; border: 1px solid #f97316; }

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(120deg, #0ea5e9 35%, #f97316 100%); }
.card { border: 1px solid rgba(var(--rgb-accent), .25); }
header, .header, .navbar { background: #0f172a; }

/* 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: 1.75rem; --space-card: 0.75rem; --space-gap: 0.5rem; }
    .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; }
}