:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #9a5636;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --color-muted: #7b736b;
    --color-border: rgba(196, 123, 90, 0.16);
    --rgb-primary: 196, 123, 90;
    --rgb-accent: 135, 168, 120;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-xl: 36px;
    --shadow-sm: 0 1px 2px rgba(45, 45, 45, 0.04), 0 3px 10px -4px rgba(196, 123, 90, 0.14);
    --shadow-md: 0 2px 6px rgba(45, 45, 45, 0.05), 0 14px 30px -12px rgba(196, 123, 90, 0.20), 0 30px 60px -30px rgba(45, 45, 45, 0.14);
    --shadow-lg: 0 4px 12px rgba(45, 45, 45, 0.06), 0 24px 50px -16px rgba(196, 123, 90, 0.26), 0 48px 96px -40px rgba(45, 45, 45, 0.20);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.35s 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-color: var(--color-surface); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75); }
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), inset 0 0 0 1px rgba(196, 123, 90, 0.10); padding: var(--space-card); transition: var(--transition); background-color: #fffdf9; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: var(--shadow-sm); accent-color: var(--color-primary); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(196, 123, 90, 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: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background-image: radial-gradient(120% 100% at 15% 0%, rgba(135, 168, 120, 0.22) 0%, rgba(250, 248, 243, 0) 62%), linear-gradient(160deg, #faf8f3 0%, #f4ede4 100%); }
                .hero-content { position: relative; z-index: 1; text-shadow: 0 1px 2px rgba(250, 248, 243, 0.9); }

/* 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: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

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

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #c47b5a 0%, #a9603f 58%, #87a878 148%); color: #fff8f3; padding: 4rem 2rem; box-shadow: inset 0 0 90px rgba(255, 255, 255, 0.10); text-shadow: 0 1px 2px rgba(45, 45, 45, 0.18); }

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
header, .header, .navbar { background: rgba(250, 248, 243, 0.72); backdrop-filter: blur(10px) saturate(125%); -webkit-backdrop-filter: blur(10px) saturate(125%); }

/* 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; }
}