/* CSSVariantEngine v3.0 — dianjingyouxi.org.cn */
/* Palette: editorial-magazine | Radius: soft generous | Shadow: multi-layer rich */
/* Spacing: generous editorial | Transition: smooth long curve */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"overlay","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #9a2f22;
    --color-accent: #d4816e;
    --color-surface: #f8f5ed;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 212,129,110;
    --radius-sm: 2px;
    --radius-md: 6px;
    --radius-lg: 14px;
    --radius-xl: 22px;
    --shadow-sm: 0 2px 4px rgba(26,26,26,0.05), 0 1px 2px rgba(196,69,54,0.03);
    --shadow-md: 0 6px 12px rgba(26,26,26,0.08), 0 3px 6px rgba(196,69,54,0.05), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-lg: 0 16px 32px rgba(26,26,26,0.12), 0 8px 16px rgba(196,69,54,0.08), 0 4px 8px rgba(0,0,0,0.06);
    --space-section: 4.5rem;
    --space-card: 1.6rem;
    --space-gap: 1.4rem;
    --transition: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --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%, #f0ebe0 50%, #e9e3d6 100%);
    min-height: 100vh;
}
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%, #f9f7f3 100%);
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(196,69,54,0.1), rgba(245,241,232,0.6), rgba(196,69,54,0.1)) 1;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(135deg, #c44536 0%, #d45a4a 100%);
    color: #fff;
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

/* 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; }
                .hero::before {
                    content: '';
                    position: absolute;
                    inset: 0;
                    background: radial-gradient(circle at 30% 20%, rgba(196,69,54,0.08) 0%, transparent 60%),
                                linear-gradient(to bottom, rgba(245,241,232,0.4) 0%, rgba(245,241,232,0.9) 100%);
                }
                .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: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* 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: linear-gradient(135deg, #fff7f4 0%, #f8e9e6 35%, #f5f1e8 70%, #f0ebe0 100%); 
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center; 
    border: 2px solid transparent;
    border-image: linear-gradient(90deg, #c44536, #e6a297, #c44536) 1;
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1320px; margin: 0 auto; padding-left: 60px; padding-right: 60px; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-6px); 
    box-shadow: var(--shadow-lg); 
    background: linear-gradient(145deg, #ffffff 0%, #fff9f7 100%);
}
header, .header, .navbar { 
    background: linear-gradient(to bottom, rgba(245,241,232,0.95) 0%, rgba(245,241,232,0.7) 100%); 
    backdrop-filter: blur(8px);
}

/* 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; }
    .page-main { padding-left: 40px; padding-right: 40px; }
}
@media (max-width: 640px) {
    :root { --space-section: 2.2rem; --space-card: 1.1rem; --space-gap: 0.8rem; }
    .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; }
    .page-main { padding-left: 24px; padding-right: 24px; }
}