/* CSSVariantEngine v3.0 — ub8-intl.com */
/* Palette: gradient-strips | Radius: soft-rounded | Shadow: multi-layer */
/* Spacing: balanced | Transition: gradient-smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"left-aligned","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #165DFF;
    --color-primary-dark: #0E42C2;
    --color-accent: #FF7D00;
    --color-surface: linear-gradient(145deg, #fffdf5 0%, #fff8e1 100%);
    --color-text: #1A1A2E;
    --rgb-primary: 22, 93, 255;
    --rgb-accent: 255, 125, 0;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 12px rgba(22, 93, 255, 0.08);
    --shadow-md: 0 8px 24px rgba(22, 93, 255, 0.12), 0 2px 8px rgba(0,0,0,0.04);
    --shadow-lg: 0 16px 48px rgba(22, 93, 255, 0.18), 0 4px 16px rgba(114, 46, 209, 0.08);
    --space-section: 3.6rem;
    --space-card: 1.35rem;
    --space-gap: 1.1rem;
    --transition: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #ffffff 0%, #f8f7f0 100%) no-repeat; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff 0%, #fffdf7 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); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

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

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

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* 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: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #165DFF 0%, #722ED1 50%, #FF7D00 100%); color: #fff; padding: 4rem 2rem; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 3px solid; border-image: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%) 1; }
header, .header, .navbar { box-shadow: 0 2px 16px rgba(22, 93, 255, 0.07), 0 1px 4px rgba(0,0,0,0.03); background: rgba(255,255,255,0.92); backdrop-filter: blur(10px); }

/* 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: 2.4rem; --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; }
}