/* CSSVariantEngine v3.0 — chcn-news-kaiyun.com.cn */
/* Palette: clay-evergreen | Radius: airy-rounded | Shadow: soft-layered */
/* Spacing: airy | Transition: eased */

:root {
    --color-primary: #ad4b28;
    --color-primary-dark: #772e18;
    --color-accent: #2e7667;
    --color-surface: #f8efe7;
    --color-text: #33241b;
    --rgb-primary: 173, 75, 40;
    --rgb-accent: 46, 118, 103;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 30px;
    --shadow-sm: 0 1px 2px rgba(51, 36, 27, 0.04), 0 4px 12px -2px rgba(51, 36, 27, 0.05);
    --shadow-md: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 2px 4px rgba(51, 36, 27, 0.04), 0 16px 24px -8px rgba(51, 36, 27, 0.08), 0 32px 48px -16px rgba(51, 36, 27, 0.1);
    --shadow-lg: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 4px 8px rgba(51, 36, 27, 0.04), 0 24px 32px -12px rgba(51, 36, 27, 0.1), 0 48px 64px -16px rgba(51, 36, 27, 0.16);
    --space-section: 2.25rem;
    --space-card: 1.125rem;
    --space-gap: 0.875rem;
    --transition: 0.35s 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); }
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); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

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

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

/* hero: split */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2.25rem; align-items: center; }

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

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: with-sidebar */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2.25rem; }

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

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* Page Layout: wide */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }

/* 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; }
}