/* CSSVariantEngine v3.0 — zh-go-hongyunchess-qq.com.cn */
/* Palette: pinterest-glow | Radius: medium-rounded | Shadow: glow-accent */
/* Spacing: comfortable | Transition: smooth-glow */
/* Section layouts: {"news":"masonry-2","features":"grid-2","hero":"minimal","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #165DFF;
    --color-primary-dark: #0E42D2;
    --color-accent: #FF7D00;
    --color-surface: #F7F8FA;
    --color-text: #1D2129;
    --rgb-primary: 22, 93, 255;
    --rgb-accent: 255, 125, 0;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 6px rgba(var(--rgb-accent), 0.1);
    --shadow-md: 0 4px 12px rgba(var(--rgb-accent), 0.15), 0 0 24px rgba(var(--rgb-accent), 0.25);
    --shadow-lg: 0 6px 16px rgba(var(--rgb-accent), 0.2), 0 0 32px rgba(var(--rgb-accent), 0.35);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.3rem;
    --transition: 0.4s ease-out;
    --heading-weight: 600;
    --body-line-height: 1.65;
}

@keyframes soft-pulse {
    0% { box-shadow: 0 4px 12px rgba(var(--rgb-accent), 0.15), 0 0 22px rgba(var(--rgb-accent), 0.3); }
    50% { box-shadow: 0 6px 16px rgba(var(--rgb-accent), 0.2), 0 0 32px rgba(var(--rgb-accent), 0.5); }
    100% { box-shadow: 0 4px 12px rgba(var(--rgb-accent), 0.15), 0 0 22px rgba(var(--rgb-accent), 0.3); }
}

/* 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); }
.card, [class*="card"] { background-color: #ffffff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); position: relative; overflow: hidden; }
.card, [class*="card"]::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); }
.card:hover, [class*="card"]:hover { box-shadow: 0 8px 20px rgba(var(--rgb-accent), 0.3), 0 0 32px rgba(var(--rgb-accent), 0.6); transform: translateY(-3px); animation: soft-pulse 2s infinite ease-in-out; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.3); transition: var(--transition); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 28px rgba(var(--rgb-accent), 0.6); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; text-decoration-color: rgba(var(--rgb-accent), 0.3); }
a:not([class]):hover { color: var(--color-accent); text-decoration-color: rgba(var(--rgb-accent), 0.7); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: minimal */
.hero { padding: 2rem 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: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { background: white; padding: 1rem 1.5rem; border-radius: var(--radius-md); transition: var(--transition); }
.partner-grid > *:hover { box-shadow: 0 0 24px rgba(var(--rgb-accent), 0.4); }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(135deg, rgba(var(--rgb-primary), 0.05), rgba(var(--rgb-accent), 0.08)); border-radius: var(--radius-xl); padding: 2.5rem; }

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

/* 条件性装饰 */
header, .header, .navbar { background-color: rgba(255,255,255,0.95); backdrop-filter: blur(12px); box-shadow: 0 2px 10px rgba(var(--rgb-accent), 0.12); }

/* 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; }
}