:root {
    --color-primary: #87a878;
    --color-primary-dark: #5f7d54;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135,168,120;
    --rgb-accent: 196,123,90;
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 12px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 3px rgba(45,45,45,.06), 0 1px 1px rgba(135,168,120,.05);
    --shadow-md: 0 4px 14px rgba(45,45,45,.08), 0 2px 5px rgba(135,168,120,.07);
    --shadow-lg: 0 12px 32px rgba(45,45,45,.10), 0 4px 10px rgba(196,123,90,.08);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #faf8f3 0%, #f6f3ec 55%, #f2efe6 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #2d2d2d; }
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: linear-gradient(180deg, rgba(250,248,243,0) 0%, rgba(135,168,120,.04) 100%);
}
.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 60%, #f4f1e8 100%);
    border: 1px solid rgba(135,168,120,.18);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, #87a878 0%, #6f9562 100%);
    color: #faf8f3;
    border: 1px solid rgba(95,125,84,.4);
    box-shadow: 0 2px 8px rgba(135,168,120,.28);
}
a:not([class]) { color: var(--color-primary-dark); transition: var(--transition); }

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

/* news: list-view */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: left-aligned */
.hero-content {
    text-align: left;
    max-width: 600px;
    background: linear-gradient(120deg, rgba(196,123,90,.06) 0%, rgba(135,168,120,.05) 100%);
    border-radius: var(--radius-xl);
}

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

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-4 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-gap);
    text-align: center;
    background: linear-gradient(160deg, rgba(135,168,120,.08) 0%, rgba(196,123,90,.05) 100%);
    border-radius: var(--radius-xl);
}

/* cta: split */
.cta-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
    background: linear-gradient(110deg, #f4f1e8 0%, #ede8db 50%, #f7f4ec 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
header, .header, .navbar {
    box-shadow: 0 4px 18px rgba(45,45,45,.09), 0 1px 4px rgba(135,168,120,.08);
    background: linear-gradient(180deg, #faf8f3 0%, #f6f3ec 100%);
    border-bottom: 1px solid rgba(135,168,120,.15);
}

/* 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; }
}