/* CSSVariantEngine v3.0 — zh-int-tvt888.com.cn */
/* Palette: warm-sage | Radius: soft rounded | Shadow: dual-tone gradient */
/* Spacing: vertical-spacious | Transition: smooth long */
/* Section layouts: {"news":"grid-4","features":"grid-3","hero":"split","testimonials":"grid-3","partners":"scroll","faq":"two-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #87a878;
    --color-primary-dark: #6d8d60;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135, 168, 120;
    --rgb-accent: 196, 123, 90;
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 2px 10px rgba(var(--rgb-primary), 0.14), 0 1px 4px rgba(var(--rgb-accent), 0.07);
    --shadow-md: 0 5px 18px rgba(var(--rgb-primary), 0.17), 0 3px 12px rgba(var(--rgb-accent), 0.1);
    --shadow-lg: 0 10px 36px rgba(var(--rgb-primary), 0.19), 0 6px 22px rgba(var(--rgb-accent), 0.13);
    --space-section: 4rem;
    --space-card: 2.2rem;
    --space-gap: 1.75rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --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%, #f2efe6 50%, #ebe7dd 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(135deg, #ffffff 0%, #f7f5ed 100%);
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(135, 168, 120, 0.25), rgba(196, 123, 90, 0.25), rgba(135, 168, 120, 0.25)) 1;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(135deg, #87a878 0%, #729563 100%);
    color: #ffffff;
    border: none;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background: linear-gradient(135deg, #c47b5a 0%, #b06a4a 100%);
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
}

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 24s ease-in-out infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 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: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { 
    transform: translateY(-4px); 
    box-shadow: var(--shadow-lg); 
    border-image: linear-gradient(135deg, rgba(135, 168, 120, 0.5), rgba(196, 123, 90, 0.5), rgba(135, 168, 120, 0.5)) 1;
}
a:not([class]):hover { color: var(--color-accent); }
header, .header, .navbar { 
    background: linear-gradient(180deg, rgba(250, 248, 243, 0.92) 0%, rgba(250, 248, 243, 0.75) 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; }
}
@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; }
}