/* CSSVariantEngine v3.0 — ch-kaiyungroup.com.cn */
/* Palette: editorial cream + ink + deep red | Radius: sharp | Shadow: warm layered | Transition: slow */
/* Spacing: tight | Transition: slow */
/* Section layouts: {"news":"grid-3","features":"grid-2","hero":"overlay","testimonials":"grid-3","partners":"centered","faq":"two-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #8a2b20;
    --color-accent: #6b705c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 107,112,92;
    --radius-sm: 1px;
    --radius-md: 3px;
    --radius-lg: 6px;
    --radius-xl: 10px;
    --shadow-sm: 0 1px 2px rgba(26,26,26,.08), 0 2px 5px -2px rgba(196,69,54,.14);
    --shadow-md: 0 7px 18px -6px rgba(26,26,26,.16), 0 2px 6px -2px rgba(107,112,92,.12);
    --shadow-lg: 0 20px 44px -14px rgba(26,26,26,.24), 0 8px 18px -8px rgba(196,69,54,.20);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.48s cubic-bezier(0.19, 0.71, 0.33, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
    --gradient-page: linear-gradient(180deg, #fbf8f0 0%, #f5f1e8 48%, #ece4d4 100%);
    --gradient-card: linear-gradient(155deg, #fffdf8 0%, #f5f1e8 56%, #ebe4d6 100%);
    --gradient-hero: radial-gradient(circle at 16% 18%, rgba(196,69,54,.38) 0%, rgba(196,69,54,0) 42%), linear-gradient(135deg, #1a1a1a 0%, #2e2722 34%, #6b705c 68%, #c44536 100%);
    --gradient-cta: linear-gradient(135deg, #8a2b20 0%, #c44536 48%, #6b705c 100%);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--gradient-page); }
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), inset 0 0 0 1px rgba(196,69,54,.10); padding: var(--space-card); transition: var(--transition); background: var(--gradient-card); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-image: linear-gradient(135deg, #c44536 0%, #a33a2d 55%, #8a2b20 100%); background-color: #c44536; color: #f5f1e8; box-shadow: 0 1px 0 rgba(255,255,255,.22) inset, 0 6px 16px -8px rgba(138,43,32,.55); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; color: #f5f1e8; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; }

/* cta: full-bg */
.cta-section { background: var(--gradient-cta); color: #f5f1e8; padding: 4rem 2rem; }

/* 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: var(--gradient-hero); }
header, .header, .navbar { background: transparent; }

/* 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; }
}