/* CSSVariantEngine v3.0 — zh-pgdianzi.gd.cn */
/* Palette: deep-purple-gold | Radius: soft-pill-xl | Shadow: multi-layer-glow */
/* Spacing: spacious | Transition: long-smooth */
/* Section layouts: {"news":"featured-top","features":"grid-2","hero":"minimal","testimonials":"masonry","partners":"grid-6","faq":"two-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #9333ea;
    --color-primary-dark: #7e22ce;
    --color-accent: #f59e0b;
    --color-surface: #fdf7ff;
    --color-text: #1e1b4b;
    --rgb-primary: 147, 51, 234;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 12px;
    --radius-md: 22px;
    --radius-lg: 32px;
    --radius-xl: 44px;
    --shadow-sm: 0 2px 8px rgba(147, 51, 234, 0.12), 0 1px 3px rgba(245, 158, 11, 0.08);
    --shadow-md: 0 8px 24px rgba(126, 34, 206, 0.16), 0 4px 12px rgba(245, 158, 11, 0.1);
    --shadow-lg: 0 16px 48px rgba(126, 34, 206, 0.22), 0 8px 24px rgba(245, 158, 11, 0.16), 0 3px 10px rgba(30, 27, 75, 0.1);
    --space-section: 4.8rem;
    --space-card: 1.6rem;
    --space-gap: 1.3rem;
    --transition: 0.5s cubic-bezier(0.23, 1, 0.32, 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: linear-gradient(180deg, #0f0f1a 0%, #211946 48%, #0f0f1a 100%);
}
h1, h2, h3, h4 { 
    font-weight: var(--heading-weight); 
    text-align: center;
    color: #f8fafc;
    text-shadow: 0 2px 12px rgba(245, 158, 11, 0.25);
}
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(135deg, #ffffff 0%, #faf5ff 55%, #fffbeb 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(90deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
    color: white;
    border: 1px solid transparent;
    border-image: linear-gradient(90deg, var(--color-primary-dark), var(--color-accent)) 1;
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
}

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

/* news: featured-top */
/* 首篇横跨全宽 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.news-grid > *:first-child { grid-column: span 3; }

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

/* 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(90deg, var(--color-primary), var(--color-accent));
    -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; }

/* 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(-7px); 
    box-shadow: var(--shadow-lg); 
}
.card { 
    border: 1px solid transparent; 
    border-image: linear-gradient(135deg, rgba(var(--rgb-primary), 0.2), rgba(var(--rgb-accent), 0.25)) 1; 
}
header, .header, .navbar { 
    box-shadow: 0 4px 16px rgba(126, 34, 206, 0.2), 0 2px 8px rgba(245, 158, 11, 0.1); 
    background: linear-gradient(90deg, rgba(15, 15, 26, 0.95) 0%, rgba(33, 25, 70, 0.95) 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: 2.1rem; --space-card: 1.1rem; --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; }
}