/* CSSVariantEngine v3.0 — baowei.sc.cn */
/* Palette: sidebar-classic | Radius: soft rounded | Shadow: multi-layer gradient tinted */
/* Spacing: comfortable | Transition: smooth long curve */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"centered","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"inline","cta":"split"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-accent: #f97316;
    --color-surface: #f8fafc;
    --color-text: #1e293b;
    --rgb-primary: 37,99,235;
    --rgb-accent: 249,115,22;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(37,99,235,0.08), 0 1px 3px rgba(249,115,22,0.05);
    --shadow-md: 0 8px 20px rgba(37,99,235,0.12), 0 3px 6px rgba(249,115,22,0.07);
    --shadow-lg: 0 16px 32px rgba(37,99,235,0.15), 0 6px 12px rgba(249,115,22,0.1);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}
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: linear-gradient(180deg, #ffffff 0%, #f1f5f9 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;
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
    text-decoration-thickness: 2px;
}
a:not([class]):hover {
    color: var(--color-accent);
}

/* ========== 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: 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: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* 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: 2rem; overflow: hidden; animation: partnerScroll 24s 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: 2rem; }
                .faq-wrapper > *:last-child {
                    background: linear-gradient(180deg, #252e3a 0%, #1e293b 100%);
                    border-radius: var(--radius-lg);
                    color: #f1f5f9;
                    padding: 2rem;
                }

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

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.cta-inner {
    background: linear-gradient(135deg, rgba(37,99,235,0.05) 0%, rgba(249,115,22,0.05) 100%);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

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

/* 条件性装饰 */
.card { 
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(37,99,235,0.2) 0%, rgba(249,115,22,0.2) 100%) 1 stretch; 
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%) 1 stretch;
}

/* 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; }
}