/* CSSVariantEngine v3.0 — aigame-plus.com.cn */
/* Palette: ember-block | Radius: sharp | Shadow: offset */
/* Spacing: tight | Transition: snappy */
/* Section layouts: {"news":"featured-top","features":"centered","hero":"minimal","testimonials":"masonry","partners":"centered","faq":"with-sidebar","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #e4572e;
    --color-primary-dark: #1f1a16;
    --color-accent: #ffd166;
    --color-surface: #f7f0e8;
    --color-text: #1f1a16;
    --rgb-primary: 228,87,46;
    --rgb-accent: 255,209,102;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 4px;
    --shadow-sm: 3px 3px 0 #1f1a16;
    --shadow-md: 0 0 0 3px #1f1a16, 4px 4px 0 #e4572e;
    --shadow-lg: 0 0 0 4px #1f1a16, 6px 6px 0 #e4572e;
    --space-section: 2.4rem;
    --space-card: 1.2rem;
    --space-gap: 0.65rem;
    --transition: 0.15s cubic-bezier(.2, 0, .8, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { background-color: var(--color-surface); 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: #fdf6ed; }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-color: #fffdf6; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 0 0 2px var(--color-primary-dark), 4px 4px 0 var(--color-primary); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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); background-color: #f5cdb0; }
.news-grid > *:first-child { grid-column: span 3; }

/* 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; background-color: #c3d2b4; }

/* hero: minimal */
.hero { padding: 2.4rem 0; background-color: var(--color-accent); color: var(--color-text); } .hero-content { max-width: 560px; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); background-color: #edd2d4; }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.4rem; background-color: #f4e5c7; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2.4rem; background-color: #c5d0dd; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.4rem; background-color: #f6bc7f; }
.stats-grid .stat-value { font-size: 3rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 1.6rem; background-color: var(--color-primary); color: var(--color-surface); }

/* 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 rgba(var(--rgb-primary), .4); }
header, .header, .navbar { box-shadow: 0 4px 0 var(--color-primary-dark); }

/* 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: 0.6rem; }
    .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; }
}