:root {
    --color-primary: #7f9a6d;
    --color-primary-dark: #55684a;
    --color-accent: #c47b5a;
    --color-surface: #f6f1e7;
    --color-text: #2d2d2d;
    --rgb-primary: 127,154,109;
    --rgb-accent: 196,123,90;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 28px;
    --shadow-sm: 0 4px 10px rgba(97, 82, 66, 0.08), 0 1px 2px rgba(45, 45, 45, 0.05);
    --shadow-md: 0 14px 30px rgba(120, 104, 85, 0.14), 0 4px 12px rgba(45, 45, 45, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.75);
    --shadow-lg: 0 24px 50px rgba(120, 104, 85, 0.18), 0 10px 24px rgba(45, 45, 45, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #faf8f3; caret-color: var(--color-accent); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 0 rgba(255, 255, 255, 0.55); color: #262622; }
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(180deg, rgba(255,255,255,0.92) 0%, rgba(246,241,231,0.96) 100%); border-color: rgba(127, 154, 109, 0.18); border-style: solid; backdrop-filter: blur(8px); filter: saturate(1.02); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 10px 22px rgba(127, 154, 109, 0.16), inset 0 1px 0 rgba(255,255,255,0.5); border-color: rgba(127, 154, 109, 0.28); border-style: solid; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(196, 123, 90, 0.45); text-shadow: 0 1px 0 rgba(255,255,255,0.4); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; box-shadow: 0 18px 36px rgba(120, 104, 85, 0.15), 0 6px 14px rgba(45, 45, 45, 0.05), inset 0 1px 0 rgba(255,255,255,0.8); border-radius: 26px; background: linear-gradient(180deg, rgba(255,250,244,0.95) 0%, rgba(247,242,235,0.98) 100%); }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-color: rgba(127, 154, 109, 0.5) rgba(246, 241, 231, 0.8); }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; border-radius: 24px; box-shadow: 0 16px 34px rgba(127, 154, 109, 0.12), 0 5px 12px rgba(45, 45, 45, 0.05); background: linear-gradient(160deg, rgba(250,248,243,0.98) 0%, rgba(238,232,221,0.94) 100%); }

/* 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: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #f6f1e7 0%, #efe7d8 55%, #f3ede3 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 22px 48px rgba(196, 123, 90, 0.14), 0 8px 20px rgba(45, 45, 45, 0.06), inset 0 1px 0 rgba(255,255,255,0.82); border-color: rgba(196, 123, 90, 0.22); border-style: solid; }

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

/* 条件性装饰 */

/* 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; }
}