:root {
    --color-primary: #87a878;
    --color-primary-dark: #5c7350;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135,168,120;
    --rgb-accent: 196,123,90;
    --grad-surface: linear-gradient(158deg, #ffffff 0%, #faf8f3 38%, #f2eee3 72%, #eae4d5 100%);
    --grad-warm: linear-gradient(135deg, #38412f 0%, #4c5a40 32%, #5c7350 62%, #87a878 100%);
    --grad-accent: linear-gradient(120deg, #c47b5a 0%, #d59a73 44%, #a9bf98 74%, #87a878 100%);
    --grad-veil: linear-gradient(180deg, rgba(250,248,243,0) 0%, rgba(240,235,221,.6) 50%, rgba(250,248,243,0) 100%);
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(45,45,45,.04), 0 3px 8px rgba(196,123,90,.08), 0 0 0 1px rgba(135,168,120,.05);
    --shadow-md: 0 2px 6px rgba(45,45,45,.05), 0 10px 24px rgba(196,123,90,.12), 0 18px 44px rgba(135,168,120,.10);
    --shadow-lg: 0 4px 12px rgba(45,45,45,.07), 0 18px 40px rgba(196,123,90,.18), 0 30px 70px rgba(135,168,120,.16);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(0.22, 0.61, 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: linear-gradient(180deg, #faf8f3 0%, #fbf9f4 42%, #f3efe4 100%); background-attachment: fixed; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 0 rgba(255,255,255,.65); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: var(--grad-veil); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: var(--grad-surface); color: var(--color-text); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(120deg, #f6f3ea 0%, #faf8f3 48%, #ece7d9 100%); box-shadow: 0 2px 8px rgba(135,168,120,.20), 0 0 0 1px rgba(196,123,90,.10); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; background: linear-gradient(180deg, rgba(135,168,120,.06) 0%, rgba(196,123,90,.05) 55%, rgba(250,248,243,0) 100%); border-radius: var(--radius-xl); }

/* 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: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; color: var(--color-primary-dark); }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; background: radial-gradient(circle at 50% 35%, rgba(196,123,90,.14) 0%, rgba(135,168,120,.10) 45%, rgba(250,248,243,0) 78%); border-radius: var(--radius-xl); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 6px 16px rgba(45,45,45,.09), 0 22px 48px rgba(196,123,90,.22), 0 36px 80px rgba(135,168,120,.18); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 1px 6px rgba(196,123,90,.35); }
.hero, [class*="hero"], section:first-of-type { background: var(--grad-warm); }
.card { border: 1px solid rgba(var(--rgb-primary), .30); border-style: solid; }
header, .header, .navbar { background: linear-gradient(180deg, rgba(250,248,243,.94) 0%, rgba(250,248,243,.58) 58%, rgba(250,248,243,0) 100%); }

/* 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; }
}