/* CSSVariantEngine v3.0 — m2-aigame.com.cn */
/* Palette: violet-rose gradient | Radius: soft-large | Shadow: layered-tinted */
/* Spacing: balanced | Transition: long smooth */
/* Section layouts: {"news":"grid-3","features":"grid-2","hero":"left-aligned","testimonials":"masonry","partners":"grid-6","faq":"with-sidebar","stats":"inline","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #f472b6;
    --color-surface: #f6f5fa;
    --color-text: #2a1a4a;
    --rgb-primary: 124,58,237;
    --rgb-accent: 244,114,182;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 2px rgba(76,29,149,.06), 0 3px 8px -2px rgba(124,58,237,.10);
    --shadow-md: 0 2px 4px rgba(76,29,149,.05), 0 10px 22px -6px rgba(124,58,237,.16), 0 22px 44px -18px rgba(244,114,182,.18);
    --shadow-lg: 0 4px 10px rgba(76,29,149,.06), 0 18px 40px -10px rgba(124,58,237,.22), 0 34px 70px -24px rgba(244,114,182,.24);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 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-color: #f6f5fa;
    background-image:
        radial-gradient(1200px 620px at 8% -12%, rgba(124,58,237,.12), transparent 62%),
        radial-gradient(900px 520px at 102% -4%, rgba(244,114,182,.12), transparent 58%),
        linear-gradient(180deg, #faf9fd 0%, #f4f2fa 55%, #f8f6fc 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
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-image:
        linear-gradient(90deg, #7c3aed 0%, #a855f7 45%, #f472b6 100%),
        linear-gradient(170deg, #ffffff 0%, #ffffff 58%, rgba(244,114,182,.07) 100%);
    background-size: 100% 4px, 100% 100%;
    background-position: 0 0, 0 0;
    background-repeat: no-repeat;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    color: #ffffff;
    background-image: linear-gradient(135deg, #6d28d9 0%, #8b5cf6 42%, #d946ef 72%, #fb7185 100%);
    box-shadow: 0 1px 2px rgba(76,29,149,.18), 0 8px 18px -8px rgba(139,92,246,.45);
}
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: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: full-bg */
.cta-section {
    background: linear-gradient(115deg, #4c1d95 0%, #6d28d9 30%, #a855f7 58%, #ec4899 84%, #fb7185 100%);
    color: #ffffff;
    padding: 4rem 2rem;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.10), inset 0 60px 120px -60px rgba(255,255,255,.28);
}

/* 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); }
.card {
    border: 1px solid transparent;
    background-image:
        linear-gradient(90deg, #7c3aed 0%, #a855f7 45%, #f472b6 100%),
        linear-gradient(170deg, #ffffff 0%, #fdfbff 100%),
        linear-gradient(135deg, rgba(124,58,237,.55) 0%, rgba(168,85,247,.40) 50%, rgba(236,72,153,.55) 100%);
    background-origin: border-box;
    background-clip: padding-box, padding-box, border-box;
    background-size: 100% 4px, 100% 100%, 100% 100%;
    background-position: 0 0, 0 0, 0 0;
    background-repeat: no-repeat;
}
header, .header, .navbar {
    background: linear-gradient(180deg, rgba(255,255,255,.94) 0%, rgba(246,245,250,.72) 100%);
    backdrop-filter: blur(12px) saturate(160%);
    -webkit-backdrop-filter: blur(12px) saturate(160%);
}

/* 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; }
}