/* CSSVariantEngine v3.0 — play-beijingdanchang.com */
/* Palette: mosaic-vibrant | Radius: soft-organic | Shadow: layered-gradient */
/* Spacing: spacious | Transition: smooth-long */
/* Section layouts: {"news":"featured-left","features":"horizontal","hero":"overlay","testimonials":"stacked","partners":"grid-6","faq":"with-sidebar","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #06b6d4;
    --color-surface: #faf5ff;
    --color-text: #1e1b2e;
    --rgb-primary: 124,58,237;
    --rgb-accent: 6,182,212;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(124,58,237,.10), 0 1px 2px rgba(6,182,212,.06);
    --shadow-md: 0 4px 12px rgba(124,58,237,.12), 0 12px 28px rgba(6,182,212,.08), 0 1px 0 rgba(255,255,255,.6) inset;
    --shadow-lg: 0 8px 24px rgba(124,58,237,.15), 0 24px 56px rgba(6,182,212,.12), 0 0 0 1px rgba(124,58,237,.04);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 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, #faf5ff 0%, #f0f9ff 50%, #faf5ff 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(145deg, #ffffff 0%, #faf5ff 40%, #f0f9ff 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #06b6d4 100%); color: #fff; }
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; }

/* 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: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: radial-gradient(ellipse at 30% 20%, rgba(124,58,237,.18) 0%, rgba(168,85,247,.10) 35%, rgba(6,182,212,.08) 65%, transparent 100%), linear-gradient(160deg, #1e1b4b 0%, #312e81 40%, #4c1d95 100%); }
                .hero-content { position: relative; z-index: 1; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* 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, #7c3aed 0%, #06b6d4 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #faf5ff 0%, #ede9fe 30%, #e0f2fe 70%, #f0fdfa 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg); border: 1px solid rgba(124,58,237,.10); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-primary), .10); border-image: linear-gradient(135deg, rgba(124,58,237,.20), rgba(6,182,212,.15)) 1; }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(124,58,237,.10), 0 1px 3px rgba(6,182,212,.06); background: linear-gradient(180deg, rgba(255,255,255,.95) 0%, rgba(250,245,255,.90) 100%); backdrop-filter: blur(12px); }

/* 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; }
}