/* CSSVariantEngine v3.0 — 8868-live-global.com.cn */
/* Palette: indigo-amber | Radius: large | Shadow: soft */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"grid-3","hero":"minimal","testimonials":"masonry","partners":"scroll","faq":"single-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4338ca;
    --color-accent: #f59e0b;
    --color-surface: #f8fafc;
    --color-text: #1e293b;
    --rgb-primary: 99,102,241;
    --rgb-accent: 245,158,11;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 5px rgba(15,23,42,.04), 0 8px 16px -6px rgba(15,23,42,.08);
    --shadow-md: inset 0 1px 0 rgba(255,255,255,.75), 0 4px 8px rgba(15,23,42,.05), 0 20px 40px -10px rgba(15,23,42,.12);
    --shadow-lg: inset 0 1px 0 rgba(255,255,255,.8), 0 8px 16px rgba(15,23,42,.06), 0 30px 60px -15px rgba(15,23,42,.18);
    --space-section: 4.25rem;
    --space-card: 1.65rem;
    --space-gap: 1.4rem;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
    accent-color: var(--color-primary);
    caret-color: var(--color-primary);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); background-image: radial-gradient(circle at 50% 0%, rgba(var(--rgb-primary), .04), transparent 55%), radial-gradient(circle at 85% 100%, rgba(var(--rgb-accent), .03), transparent 60%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(15,23,42,.04); }
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-color: #ffffff; background-image: radial-gradient(circle at 15% 15%, rgba(var(--rgb-primary), .07), transparent 50%), radial-gradient(circle at 85% 90%, rgba(var(--rgb-accent), .07), transparent 50%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #ffffff; box-shadow: 0 4px 10px rgba(var(--rgb-primary), .3), 0 12px 24px -10px rgba(var(--rgb-primary), .4); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

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

/* hero: minimal */
.hero { padding: 2.25rem 0; background-image: radial-gradient(circle at 85% 10%, rgba(var(--rgb-primary), .08), transparent 55%); } .hero-content { max-width: 560px; }

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2.25rem; overflow: hidden; animation: partnerScroll 28s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 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: 3.25rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2.25rem; }

/* 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(-4px); box-shadow: var(--shadow-lg); border-left-color: var(--color-primary); }
.card { border-left: 3px solid var(--color-accent); }

/* 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: 2.125rem; --space-card: 1.05rem; --space-gap: 0.8rem; }
    .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; }
}