/* CSSVariantEngine v3.0 — zh-okooo-aoke.com.cn */
/* Palette: warm minimal sage | Radius: soft rounded | Shadow: layered gradient tinted */
/* Spacing: generous vertical | Transition: smooth long curve */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"left-aligned","testimonials":"grid-3","partners":"grid-4","faq":"single-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #87a878;
    --color-primary-dark: #6b8a5f;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135, 168, 120;
    --rgb-accent: 196, 123, 90;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(45,45,45,0.06), 0 2px 8px rgba(135,168,120,0.08);
    --shadow-md: 0 4px 12px rgba(45,45,45,0.08), 0 8px 24px rgba(135,168,120,0.12);
    --shadow-lg: 0 8px 24px rgba(45,45,45,0.1), 0 16px 48px rgba(135,168,120,0.15);
    --space-section: 4rem;
    --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: 1.75;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #faf8f3 0%, #f5f1e7 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%, #f8f5ee 100%);
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(135,168,120,0.2), rgba(196,123,90,0.15)) 1;
}
.card:hover, [class*="card"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(135deg, #87a878 0%, #98b889 100%);
    color: #ffffff;
    border: none;
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background: linear-gradient(135deg, #769767 0%, #a7c778 100%);
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}
a:not([class]):hover {
    color: var(--color-accent);
}

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* 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: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

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

/* 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; 
    background: linear-gradient(135deg, #87a878 0%, #c47b5a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* cta: card-style */
.cta-inner { 
    background: linear-gradient(120deg, #f0efe9 0%, #e8e4d8 100%); 
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center;
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(135,168,120,0.3), rgba(196,123,90,0.25)) 1;
}

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { 
    background: linear-gradient(135deg, #87a878 0%, #a2b97f 45%, #d48c69 75%, #c47b5a 100%); 
}
.hero * { color: #ffffff; }
header, .header, .navbar { 
    background: linear-gradient(180deg, rgba(250,248,243,0.9) 0%, rgba(250,248,243,0.7) 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; }
}
@media (max-width: 640px) {
    :root { --space-section: 2.75rem; --space-card: 1.25rem; --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; }
}