/* CSSVariantEngine v3.0 — mobile3-c7-game.com */
/* Palette: indigo-amber | Radius: asymmetric-soft | Shadow: gradient-layered */
/* Spacing: bold-contrast | Transition: gradient-rich */
/* Section layouts: {"news":"featured-top","features":"grid-4","hero":"centered","testimonials":"carousel","partners":"scroll","faq":"with-sidebar","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #312e81;
    --color-accent: #f59e0b;
    --color-surface: #eef2ff;
    --color-text: #1e1b4b;
    --rgb-primary: 79,70,229;
    --rgb-accent: 245,158,11;
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;
    --shadow-sm: 0 2px 4px rgba(79,70,229,.10), 0 0 0 1px rgba(79,70,229,.04);
    --shadow-md: 0 6px 14px -3px rgba(79,70,229,.22), 0 2px 6px rgba(245,158,11,.10), 0 0 0 1px rgba(79,70,229,.06);
    --shadow-lg: 0 18px 32px -10px rgba(49,46,129,.32), 0 8px 16px -6px rgba(245,158,11,.22), 0 0 0 1px rgba(79,70,229,.10);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.16, 1, 0.3, 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, #eef2ff 0%, #faf5ff 55%, #fffbeb 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(135deg, rgba(79,70,229,.04) 0%, rgba(245,158,11,.05) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff 0%, #eef2ff 70%, #fef3c7 100%); border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(79,70,229,.35), rgba(245,158,11,.35)) 1; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-image: linear-gradient(135deg, #6366f1 0%, #4f46e5 50%, #312e81 100%); color: #fffbeb; box-shadow: 0 4px 10px -2px rgba(79,70,229,.45); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 0 rgba(245,158,11,.15); }

/* ========== 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; background: linear-gradient(120deg, #eef2ff 0%, #e0e7ff 40%, #fef3c7 100%); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }
.feature-list > * { background: linear-gradient(160deg, #ffffff 0%, #eef2ff 100%); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; background: radial-gradient(ellipse at center, rgba(79,70,229,.08) 0%, rgba(245,158,11,.06) 55%, transparent 100%); border-radius: var(--radius-xl); }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; background: linear-gradient(135deg, #eef2ff, #fef3c7); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; background: linear-gradient(90deg, transparent 0%, rgba(79,70,229,.05) 50%, rgba(245,158,11,.06) 100%); border-radius: var(--radius-xl); }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * { background: linear-gradient(180deg, #ffffff 0%, #e0e7ff 100%); border-radius: var(--radius-lg); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #312e81 0%, #4f46e5 45%, #6366f1 75%, #f59e0b 130%); color: #fffbeb; padding: 4rem 2rem; box-shadow: inset 0 0 80px rgba(245,158,11,.18); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); background: linear-gradient(145deg, #ffffff 0%, #e0e7ff 55%, #fde68a 100%); }
.card { border-left: 3px solid var(--color-primary); }
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: 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; }
}