/* CSSVariantEngine v3.0 — dianjingshijiebei.org.cn */
/* Palette: warm minimal terracotta | Radius: soft rounded | Shadow: multi-layer gradient-tinted */
/* Spacing: large vertical | Transition: long smooth */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"overlay","testimonials":"stacked","partners":"grid-4","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a85c3d;
    --color-accent: #d9a384;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196,123,90;
    --rgb-accent: 217,163,132;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(45,45,45,.07), 0 1px 3px rgba(45,45,45,.04);
    --shadow-md: 0 6px 16px rgba(45,45,45,.1), 0 3px 8px rgba(45,45,45,.06), 0 1px 3px rgba(196,123,90,.05);
    --shadow-lg: 0 12px 32px rgba(45,45,45,.12), 0 6px 16px rgba(45,45,45,.07), 0 2px 6px rgba(196,123,90,.08);
    --space-section: 3.75rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.25, 0.1, 0.25, 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, #faf8f3 0%, #f5f1e8 100%);
}
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); 
    background: linear-gradient(145deg, #ffffff 0%, #f8f4ed 100%);
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, #e8e4db 0%, #d9c7b8 100%) 1;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    box-shadow: var(--shadow-sm);
}
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: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* 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 top left, #faf0e9 0%, transparent 60%); }
                .hero-content { position: relative; z-index: 1; }

/* 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: 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; color: var(--color-primary); }

/* cta: full-bg */
.cta-section { 
    background: linear-gradient(135deg, #c47b5a 0%, #b36a49 50%, #9e593a 100%); 
    color: #fff; 
    padding: 4rem 2rem; 
    box-shadow: var(--shadow-lg);
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 760px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-primary-dark); text-shadow: 0 0 8px rgba(196,123,90,0.15); }
header, .header, .navbar { 
    background: linear-gradient(180deg, rgba(250,248,243,0.95) 0%, rgba(250,248,243,0.85) 100%); 
    backdrop-filter: blur(10px); 
}

/* 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: 2.5rem; --space-card: 1rem; --space-gap: 1rem; }
    .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; }
}