/* CSSVariantEngine v3.0 — zh-go-zuqiuzhibo.com.cn */
/* Palette: spotlight-gold-purple | Radius: soft-rounded | Shadow: multi-layer gradient */
/* Spacing: spacious-symmetric | Transition: smooth-long */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #9d4edd;
    --color-primary-dark: #7b2cbf;
    --color-accent: #ffd166;
    --color-surface: linear-gradient(145deg, #ffffff 0%, #f8f5ff 100%);
    --color-text: #1e1b33;
    --rgb-primary: 157, 78, 221;
    --rgb-accent: 255, 209, 102;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(157, 78, 221, 0.12), 0 1px 3px rgba(255, 209, 102, 0.08);
    --shadow-md: 0 8px 24px rgba(157, 78, 221, 0.18), 0 3px 10px rgba(255, 209, 102, 0.1);
    --shadow-lg: 0 16px 48px rgba(157, 78, 221, 0.25), 0 6px 20px rgba(255, 209, 102, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.05);
    --space-section: 5rem;
    --space-card: 1.35rem;
    --space-gap: 1.1rem;
    --transition: 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #0f0f1a 0%, #1a1a30 100%);
    min-height: 100vh;
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 2px 12px rgba(157, 78, 221, 0.15); }
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: var(--color-surface);
    border-left: 3px solid;
    border-image: linear-gradient(180deg, var(--color-primary), var(--color-accent)) 1;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #ffffff;
    border: none;
    box-shadow: var(--shadow-sm);
}
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: 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: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; } 
.testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* 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: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; padding: 0 1rem; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-5px); 
    box-shadow: var(--shadow-lg); 
    filter: saturate(1.1) brightness(1.03);
}
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(255, 209, 102, 0.4); }
.btn:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(157, 78, 221, 0.35), 0 4px 15px rgba(255, 209, 102, 0.2);
}

/* 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; }
}