/* CSSVariantEngine v3.0 — b-xingkong-tiyu.cn */
/* Palette: spotlight-gold | Radius: pillowy | Shadow: airy */
/* Spacing: generous | Transition: smooth-glide */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"centered","testimonials":"grid-3","partners":"centered","faq":"single-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #e8b931;
    --color-surface: #0f0f1a;
    --color-text: #ede9fe;
    --rgb-primary: 109,40,217;
    --rgb-accent: 232,185,49;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(109,40,217,.18), 0 1px 3px rgba(232,185,49,.10);
    --shadow-md: 0 10px 28px rgba(15,15,26,.55), 0 4px 12px rgba(109,40,217,.22), 0 0 0 1px rgba(232,185,49,.08);
    --shadow-lg: 0 24px 56px rgba(15,15,26,.65), 0 12px 28px rgba(109,40,217,.30), 0 0 0 1px rgba(232,185,49,.12);
    --space-section: 5.5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #f5f3ff; text-shadow: 0 1px 18px rgba(232,185,49,.18); }
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(160deg, rgba(109,40,217,.14) 0%, rgba(15,15,26,.85) 70%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* 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: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card { border-left: 3px solid var(--color-accent); }
header, .header, .navbar { box-shadow: 0 8px 32px rgba(15,15,26,.55), 0 2px 10px rgba(109,40,217,.25); background: linear-gradient(180deg, rgba(15,15,26,.95), rgba(15,15,26,.75)); backdrop-filter: blur(14px) saturate(140%); }

/* 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; }
}