:root {
    --color-primary: #6d7a5a;
    --color-primary-dark: #2f3a2d;
    --color-accent: #c47b5a;
    --color-surface: #faf1e6;
    --color-text: #2d2d2d;
    --rgb-primary: 109,122,90;
    --rgb-accent: 196,123,90;
    --radius-sm: 3px;
    --radius-md: 5px;
    --radius-lg: 6px;
    --radius-xl: 8px;
    --shadow-sm: 0 1px 0 rgba(45,45,45,.05);
    --shadow-md: 0 10px 26px rgba(0,0,0,.06), 0 2px 7px rgba(0,0,0,.04);
    --shadow-lg: 0 18px 45px rgba(0,0,0,.07), 0 6px 18px rgba(0,0,0,.05), 0 1px 0 rgba(255,255,255,.35) inset;
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 160ms cubic-bezier(.2,.8,.2,1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 0 rgba(45,45,45,.06), 0 10px 30px rgba(45,45,45,.08);
    padding: var(--space-card);
    transition: var(--transition);
    border: 1px solid rgba(45,45,45,.08);
    background: #ffffff;
}
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(109,122,90,.35); }
a:not([class]):hover { text-decoration-color: rgba(109,122,90,.6); }

.card { border-left: 3px solid var(--color-accent); }

section:first-of-type, .hero, [class*="hero"] {
    background: linear-gradient(135deg, #faf8f3 0%, rgba(250,248,243,.55) 40%, rgba(196,123,90,.12) 100%);
}

header, .header, .navbar {
    box-shadow:
        0 1px 0 rgba(45,45,45,.06),
        0 14px 34px rgba(45,45,45,.08);
    background: rgba(250,248,243,.9);
    border-bottom: 1px solid rgba(45,45,45,.08);
}

.card, .btn, button[class*="btn"], a[class*="btn"], .hero-content, .cta-inner { color-scheme: light; }

@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ========== 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;
                    background: #ffffff;
                    box-shadow: 0 1px 0 rgba(45,45,45,.06), 0 8px 22px rgba(45,45,45,.06);
                    border-radius: var(--radius-lg);
                }

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

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 18s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; color: var(--color-primary-dark); text-shadow: 0 1px 0 rgba(255,255,255,.7); }

/* cta: card-style */
.cta-inner {
    background:
        radial-gradient(900px 220px at 20% 0%, rgba(196,123,90,.18) 0%, rgba(196,123,90,.06) 45%, rgba(250,248,243,0) 70%),
        linear-gradient(180deg, rgba(250,248,243,.95) 0%, rgba(250,241,230,.98) 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: 0 1px 0 rgba(45,45,45,.06), 0 18px 45px rgba(45,45,45,.08);
    border: 1px solid rgba(45,45,45,.08);
}

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

/* 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; }
}