/* CSSVariantEngine v3.0 — pg-emulator.cn */
/* Palette: warm-sage | Radius: soft | Shadow: multi-layer gradient | Spacing: generous vertical | Transition: smooth long */
/* Section layouts: {"news":"featured-left","features":"grid-4","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"two-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #87a878;
    --color-primary-dark: #5f7d53;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135, 168, 120;
    --rgb-accent: 196, 123, 90;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 4px rgba(45, 45, 45, 0.06);
    --shadow-md: 0 4px 12px rgba(45, 45, 45, 0.08), 0 2px 6px rgba(196, 123, 90, 0.04);
    --shadow-lg: 0 8px 24px rgba(45, 45, 45, 0.1), 0 4px 12px rgba(135, 168, 120, 0.06);
    --space-section: 5rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #faf8f3 0%, #f7f3ec 50%, #f0e9dd 100%);
}
h1, h2, h3, h4 { 
    font-weight: var(--heading-weight);
    background: linear-gradient(135deg, #2d2d2d 0%, #4a4a4a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
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%, #faf8f3 100%);
    border: 1px solid;
    border-image: linear-gradient(90deg, rgba(135,168,120,0.3) 0%, rgba(196,123,90,0.3) 100%) 1;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(135deg, #87a878 0%, #729463 100%);
    color: #ffffff;
    border: none;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background: linear-gradient(135deg, #c47b5a 0%, #a86347 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(196,123,90,0.25);
}
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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

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

/* 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-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card {
    background: linear-gradient(180deg, rgba(135,168,120,0.08) 0%, rgba(250,248,243,1) 100%);
}

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.cta-inner {
    background: linear-gradient(135deg, rgba(135,168,120,0.15) 0%, rgba(196,123,90,0.1) 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-6px); 
    box-shadow: var(--shadow-lg);
}
a:not([class]):hover { 
    color: var(--color-accent); 
}
.card { 
    border: 1px solid rgba(var(--rgb-primary), 0.15); 
}
header, .header, .navbar { 
    box-shadow: 0 4px 16px rgba(45,45,45,0.06), 0 2px 8px rgba(135,168,120,0.03);
    background: linear-gradient(180deg, rgba(250,248,243,0.97) 0%, rgba(250,248,243,0.92) 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: 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; }
}