/* CSSVariantEngine v3.0 — 178tiyuzhibo.sc.cn */
/* Palette: deep-purple-gold | Radius: soft-rounded | Shadow: gradient-tinted */
/* Spacing: centered-comfortable | Transition: smooth-long */
/* Section layouts: {"news":"grid-3","features":"grid-2","hero":"minimal","testimonials":"masonry","partners":"centered","faq":"two-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #5b21b6;
    --color-accent: #f59e0b;
    --color-surface: #fffbf5;
    --color-text: #1e1b4b;
    --rgb-primary: 124,58,237;
    --rgb-accent: 245,158,11;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary),0.12), 0 1px 3px rgba(var(--rgb-accent),0.08);
    --shadow-md: 0 8px 20px rgba(var(--rgb-primary),0.18), 0 3px 10px rgba(var(--rgb-accent),0.1);
    --shadow-lg: 0 18px 40px rgba(var(--rgb-primary),0.25), 0 8px 16px rgba(var(--rgb-accent),0.15);
    --space-section: 4.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(to bottom, #f8f5ff 0%, #fffbf5 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-align: center; }
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); border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(var(--rgb-primary),0.2), rgba(var(--rgb-accent),0.2)) 1; background: linear-gradient(#fffbf5, #fffbf5) padding-box, linear-gradient(135deg, rgba(var(--rgb-primary),0.2), rgba(var(--rgb-accent),0.2)) border-box; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; border: none; }
a:not([class]) { color: var(--color-primary); 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: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; margin: 0 auto; text-align: center; }

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

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

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* 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), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

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

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 960px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent)) 1; }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.3); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(180deg, #0f0f1a 0%, #1a1a3d 35%, #6b21a8 70%, #f59e0b 100%); color: white; }
header, .header, .navbar { box-shadow: 0 4px 12px rgba(15,15,26,0.4), 0 2px 6px rgba(var(--rgb-accent),0.15); background: rgba(15,15,26,0.95); 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; }
}