/* CSSVariantEngine v3.0 — zn-qa-kaiyun.com */
/* Palette: ember-stripes | Radius: sharp | Shadow: hard-offset */
/* Spacing: tight | Transition: snappy */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"split","testimonials":"stacked","partners":"grid-4","faq":"single-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #c2410c;
    --color-primary-dark: #7c2d12;
    --color-accent: #ea580c;
    --color-surface: #fef3e2;
    --color-text: #1c1917;
    --rgb-primary: 194,65,12;
    --rgb-accent: 234,88,12;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px rgba(28,25,23,.9);
    --shadow-md: 4px 4px 0px rgba(28,25,23,.85);
    --shadow-lg: 6px 6px 0px rgba(194,65,12,.9), 3px 3px 0px rgba(28,25,23,.6);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.15s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #fffdf8; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
section:nth-of-type(odd), .section:nth-of-type(odd) { background: #ffffff; }
section:nth-of-type(even), .section:nth-of-type(even) { background: var(--color-surface); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: #ffffff; }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 3px 3px 0px rgba(28,25,23,.9); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 1px 1px 0px rgba(28,25,23,.9); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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: 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; }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

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

/* cta: card-style */
.cta-inner { background: #fef3e2; border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 6px 6px 0px rgba(194,65,12,.85); border: 3px solid #1c1917; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #c2410c, #7c2d12); }
.card { border: 2px solid rgba(var(--rgb-primary), .18); }
header, .header, .navbar { box-shadow: 4px 4px 0px rgba(28,25,23,.85); border-bottom: 3px solid #1c1917; }

/* 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; }
}