:root {
    --color-primary: #87a878;
    --color-primary-dark: #5d7b55;
    --color-accent: #b7cba8;
    --color-surface: #f3efe6;
    --color-text: #2d2d2d;
    --rgb-primary: 135, 168, 120;
    --rgb-accent: 183, 203, 168;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-sm: 0 1px 1px rgba(45, 45, 45, 0.04), 0 2px 8px -3px rgba(135, 168, 120, 0.10);
    --shadow-md: 0 2px 4px rgba(45, 45, 45, 0.04), 0 14px 32px -16px rgba(45, 45, 45, 0.20), 0 4px 14px -6px rgba(135, 168, 120, 0.18);
    --shadow-lg: 0 6px 14px rgba(45, 45, 45, 0.06), 0 28px 64px -28px rgba(45, 45, 45, 0.30), 0 10px 28px -12px rgba(135, 168, 120, 0.24), 0 0 0 1px rgba(135, 168, 120, 0.10);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(circle at 18% -10%, rgba(var(--rgb-primary), 0.10), transparent 34%), linear-gradient(180deg, #faf8f3 0%, #f5f1e9 58%, #faf8f3 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, rgba(250, 248, 243, 0.98) 0%, rgba(243, 239, 230, 0.96) 52%, rgba(233, 228, 216, 0.98) 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #9ab88a 0%, #87a878 48%, #6f8f66 100%); color: #faf8f3; border-color: rgba(93, 123, 85, 0.55); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 10px 24px -14px rgba(93, 123, 85, 0.45); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-primary), 0.42); }

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

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* 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: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); filter: saturate(1.04) brightness(1.01); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #4f6b49 0%, #6f8f66 36%, #87a878 66%, #b7cba8 100%); color: #faf8f3; }
.card { border-left: 3px solid var(--color-primary); border-image: linear-gradient(180deg, rgba(135, 168, 120, 0) 0%, #87a878 18%, #b7cba8 50%, #5d7b55 82%, rgba(135, 168, 120, 0) 100%) 1; }

/* 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; }
}