/* CSSVariantEngine v3.0 — huya-guanwang.com.cn */
/* Palette: centered-stage | Radius: sharp-edges | Shadow: hard-offset */
/* Spacing: symmetric-large | Transition: snappy */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"overlay","testimonials":"grid-3","partners":"grid-4","faq":"single-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #d4af37;
    --color-primary-dark: #b8860b;
    --color-accent: #ffd700;
    --color-surface: #fffef5;
    --color-text: #12121f;
    --rgb-primary: 212, 175, 55;
    --rgb-accent: 255, 215, 0;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 4px;
    --shadow-sm: 3px 3px 0px #0a0a12;
    --shadow-md: 4px 4px 0px #0a0a12;
    --shadow-lg: 6px 6px 0px rgba(10, 10, 18, 0.9);
    --space-section: 5rem;
    --space-card: 1.3rem;
    --space-gap: 1rem;
    --transition: 0.15s ease-out;
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { background-color: #0f0f1a; color: var(--color-text); line-height: var(--body-line-height); }
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-color: var(--color-surface); border: 2px solid #0a0a12; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); border: 3px solid var(--color-primary); background-color: var(--color-primary); color: #0f0f1a; font-weight: 700; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

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

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; justify-content: center; }
                .hero-content { position: relative; z-index: 1; text-align: center; color: #fffef5; }

/* 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; }

/* 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: 3rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background-color: var(--color-surface); padding: 2rem; box-shadow: var(--shadow-lg); border: 3px solid var(--color-primary); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; background-color: var(--color-surface); padding: 2.5rem; box-shadow: 0 0 0 3px var(--color-primary); }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #0f0f1a, #1a1a38); }
.card { border-left: 3px solid var(--color-primary); }
header, .header, .navbar { background: #0f0f1a; border-bottom: 3px solid var(--color-primary); }

/* 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: 3.5rem; --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; }
}