:root {
    --color-primary: #87a878;
    --color-primary-dark: #6f8f63;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135,168,120;
    --rgb-accent: 196,123,90;
    --radius-sm: 3px;
    --radius-md: 5px;
    --radius-lg: 6px;
    --radius-xl: 10px;
    --shadow-sm: 0 1px 2px rgba(45, 45, 45, 0.05), 0 0 0 1px rgba(135, 168, 120, 0.1);
    --shadow-md: 0 8px 18px rgba(45, 45, 45, 0.08), 0 2px 6px rgba(196, 123, 90, 0.08), 0 0 0 1px rgba(135, 168, 120, 0.14);
    --shadow-lg: 0 16px 32px rgba(45, 45, 45, 0.1), 0 4px 12px rgba(196, 123, 90, 0.1), 0 0 0 1px rgba(135, 168, 120, 0.18);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #f6f2ea; caret-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #26231f; text-shadow: 0 1px 0 rgba(250, 248, 243, 0.7); }
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(250, 248, 243, 0.98) 0%, rgba(244, 239, 229, 0.98) 100%); border-color: rgba(135, 168, 120, 0.22); border-style: solid; backdrop-filter: blur(4px); filter: saturate(1.02); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(180deg, #8eaf7f 0%, #6f8f63 100%); color: #faf8f3; border-color: rgba(111, 143, 99, 0.9); border-style: solid; box-shadow: 0 6px 14px rgba(111, 143, 99, 0.22), 0 1px 0 rgba(250, 248, 243, 0.25) inset; text-shadow: 0 1px 1px rgba(45, 45, 45, 0.22); accent-color: var(--color-accent); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(196, 123, 90, 0.55); text-shadow: 0 1px 0 rgba(250, 248, 243, 0.65); }

/* ========== 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-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: 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: 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: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #f1eadf 0%, #e6efe2 52%, #d6c0b1 100%); box-shadow: inset 0 -1px 0 rgba(111, 143, 99, 0.14), 0 18px 34px rgba(45, 45, 45, 0.06); }
.card { border-left: 3px dashed var(--color-primary); outline: 1px solid rgba(196, 123, 90, 0.14); outline-color: rgba(196, 123, 90, 0.14); opacity: 0.98; }

/* 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; }
}