/* CSSVariantEngine v3.0 — bellbetbeibo.net.cn */
/* Palette: vibrant gradient mosaic | Radius: soft rounded | Shadow: multi-layer elevation */
/* Spacing: generous | Transition: smooth long */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"overlay","testimonials":"carousel","partners":"scroll","faq":"single-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #7928ca;
    --color-primary-dark: #ff0080;
    --color-accent: #ffd166;
    --color-surface: #fef7ed;
    --color-text: #2d1b47;
    --rgb-primary: 121, 40, 202;
    --rgb-accent: 255, 209, 102;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(121, 40, 202, 0.12), 0 1px 3px rgba(255, 0, 128, 0.06);
    --shadow-md: 0 8px 24px rgba(121, 40, 202, 0.15), 0 3px 10px rgba(255, 0, 128, 0.08);
    --shadow-lg: 0 16px 48px rgba(121, 40, 202, 0.18), 0 6px 20px rgba(255, 0, 128, 0.1);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #fef7ed; }
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(#ffffff, #fff9f0); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: white; border: none; box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
.news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
.news-grid > *:first-child { grid-row: span 2; background: linear-gradient(145deg, #fff, #fef0f8); }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list > *:nth-child(1) { background: linear-gradient(145deg, #fff, #f3e8ff); }
.feature-list > *:nth-child(2) { background: linear-gradient(145deg, #fff, #ffe8f3); }
.feature-list > *:nth-child(3) { background: linear-gradient(145deg, #fff, #fff8e8); }

/* 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: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; } 
.testimonial-list > * { flex: 0 0 100%; background: linear-gradient(135deg, rgba(121,40,202,0.05), rgba(255,0,128,0.05)); }

/* 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: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list > * { background: linear-gradient(145deg, #fff, #f8f5ff); }

/* 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(90deg, var(--color-primary), var(--color-primary-dark)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark), var(--color-accent)); padding: 3rem; border-radius: var(--radius-xl); }

/* 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(135deg, #7928ca 0%, #ff0080 45%, #ffd166 100%), radial-gradient(circle at 20% 80%, rgba(255,255,255,0.15) 0%, transparent 50%); }
.card { border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(121,40,202,0.2), rgba(255,0,128,0.25), rgba(255,209,102,0.2)) 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; }
}