/* CSSVariantEngine v3.0 — zuqiubifen-qiutan.net.cn */
/* Palette: spotlight-stage | Radius: soft-rounded | Shadow: gradient-multi-layer */
/* Spacing: symmetric-spacious | Transition: long-smooth */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"minimal","testimonials":"grid-3","partners":"grid-4","faq":"with-sidebar","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #6d28d9;
    --color-accent: #f5c518;
    --color-surface: linear-gradient(135deg, #ffffff 0%, #f8f7ff 100%);
    --color-text: #f0edff;
    --rgb-primary: 124, 58, 237;
    --rgb-accent: 245, 197, 24;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 3px 6px rgba(124, 58, 237, 0.1), 0 1px 2px rgba(245, 197, 24, 0.06);
    --shadow-md: 0 10px 25px rgba(124, 58, 237, 0.18), 0 4px 12px rgba(245, 197, 24, 0.1);
    --shadow-lg: 0 28px 55px rgba(124, 58, 237, 0.22), 0 10px 24px rgba(15, 15, 26, 0.35);
    --space-section: 5.2rem;
    --space-card: 2.1rem;
    --space-gap: 1.6rem;
    --transition: 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #0f0f1a 0%, #1a1430 50%, #0f0f1a 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); 
    background: var(--color-surface);
    color: #1e1b4b;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(90deg, #7c3aed 0%, #f5c518 100%);
    color: #ffffff;
}
a:not([class]) { 
    color: var(--color-accent); 
    transition: var(--transition); 
}

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

/* news: list-view */
/* 列表模式 (图左文右) */
.news-grid { display: flex; flex-direction: column; gap: var(--space-gap); justify-content: center; }
.news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); justify-content: center; }

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

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: card-style */
.cta-inner { 
    background: linear-gradient(135deg, #6d28d9 0%, #7c3aed 35%, #f5c518 100%); 
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center;
    color: #ffffff;
}

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 920px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-primary); filter: drop-shadow(0 0 4px rgba(var(--rgb-accent), 0.6)); }
.card { 
    border: 2px solid transparent; 
    border-image: linear-gradient(135deg, rgba(var(--rgb-primary), 0.4), rgba(var(--rgb-accent), 0.4)) 1;
}
header, .header, .navbar { 
    box-shadow: 0 4px 12px rgba(15,15,26,0.4), 0 1px 3px rgba(var(--rgb-primary), 0.15);
    background: linear-gradient(180deg, #1a1430 0%, #0f0f1a 100%);
}

/* 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: 2.2rem; --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; }
}