/* CSSVariantEngine v3.0 — focus-aigame.com.cn */
/* Palette: violet-amber | Radius: medium | Shadow: glow */
/* Spacing: comfortable | Transition: springy */
/* Section layouts: {"news":"grid-4","features":"grid-4","hero":"minimal","testimonials":"stacked","partners":"grid-4","faq":"single-column","stats":"inline","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #f59e0b;
    --color-surface: #faf6ef;
    --color-text: #1e1440;
    --rgb-primary: 124,58,237;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 0 12px rgba(245,158,11,.18), 0 2px 8px rgba(30,20,64,.08);
    --shadow-md: 0 0 24px rgba(245,158,11,.4), 0 8px 20px rgba(30,20,64,.1);
    --shadow-lg: 0 0 32px rgba(245,158,11,.6), 0 14px 32px rgba(30,20,64,.12);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.125rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-color: var(--color-surface); box-shadow: 0 1px 0 rgba(30,20,64,.06); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 0 24px rgba(245,158,11,.4), 0 6px 16px rgba(30,20,64,.12); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

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

/* hero: minimal */
.hero { padding: 2.25rem 0; } .hero-content { max-width: 560px; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* 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: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3.5rem; }

/* cta: full-bg */
.cta-section { background: linear-gradient(120deg, #6d28d9, #4c1d95); color: #fffbeb; padding: 4.5rem 2.25rem; box-shadow: 0 0 48px rgba(245,158,11,.4), 0 18px 50px rgba(30,20,64,.3); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 14px rgba(245,158,11,.55); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(180deg, #171044, #312e81 60%, #4c1d95); box-shadow: 0 18px 50px rgba(30,20,64,.35), 0 0 80px rgba(124,58,237,.3); }
.card { border-left: 3px solid var(--color-accent); background-color: #ffffff; }
header, .header, .navbar { background: transparent; }

/* 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: 2.25rem; --space-card: 0.875rem; --space-gap: 0.625rem; }
    .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; }
}