/* CSSVariantEngine v3.0 — vn-cn-kaiyun.com */
/* Palette: editorial-cream | Radius: soft-editorial | Shadow: layered-warm */
/* Spacing: generous | Transition: smooth-long */
/* Section layouts: {"news":"featured-top","features":"centered","hero":"overlay","testimonials":"carousel","partners":"grid-6","faq":"single-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #8f2d22;
    --color-accent: #6b705c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 107,112,92;
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 2px rgba(26,26,26,.06), 0 2px 6px rgba(196,69,54,.05);
    --shadow-md: 0 4px 10px rgba(26,26,26,.08), 0 12px 28px rgba(107,112,92,.10);
    --shadow-lg: 0 10px 24px rgba(26,26,26,.10), 0 30px 60px rgba(196,69,54,.12);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.5s cubic-bezier(0.22, 0.61, 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: linear-gradient(180deg, #f5f1e8 0%, #efe9dc 60%, #e8e1d2 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #1a1a1a; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(245,241,232,0.6) 0%, rgba(232,225,210,0.35) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(160deg, #fbf8f1 0%, #f2ebdd 55%, #ece4d3 100%); border: 1px solid rgba(107,112,92,0.18); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #c44536 0%, #a33628 55%, #8f2d22 100%); color: #f5f1e8; box-shadow: 0 2px 6px rgba(143,45,34,.22), 0 8px 22px rgba(196,69,54,.20); border: 1px solid rgba(143,45,34,0.35); }
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); }
                .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; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: radial-gradient(circle at 30% 20%, rgba(196,69,54,0.18) 0%, rgba(107,112,92,0.14) 45%, rgba(26,26,26,0.55) 100%), linear-gradient(160deg, #2a2622 0%, #1a1a1a 60%, #0f0e0c 100%); }
                .hero-content { position: relative; z-index: 1; color: #f5f1e8; text-shadow: 0 2px 12px rgba(0,0,0,0.45); }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

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

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

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background: linear-gradient(135deg, rgba(196,69,54,0.06) 0%, rgba(107,112,92,0.08) 100%); border-radius: var(--radius-lg); }
                .stats-grid .stat-value { font-size: 3rem; background: linear-gradient(135deg, #c44536 0%, #8f2d22 50%, #6b705c 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(120deg, #f5f1e8 0%, #ece2cf 100%); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); border: 1px solid rgba(196,69,54,0.15); }

/* 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); }
header, .header, .navbar { box-shadow: 0 1px 0 rgba(107,112,92,0.18), 0 4px 18px rgba(26,26,26,0.06); background: linear-gradient(180deg, #fbf8f1 0%, #f5f1e8 100%); }

/* 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; }
}