:root {
    --color-primary: #7a4b2a;
    --color-primary-dark: #2f241c;
    --color-accent: #c9a66b;
    --color-surface: #fffdf8;
    --color-text: #2b241e;
    --rgb-primary: 122,75,42;
    --rgb-accent: 201,166,107;
    --radius-sm: 3px;
    --radius-md: 5px;
    --radius-lg: 6px;
    --radius-xl: 4px;
    --shadow-sm: 0 1px 0 rgba(255,255,255,.85), 0 2px 5px rgba(var(--rgb-primary),.08);
    --shadow-md: 0 1px 0 rgba(255,255,255,.9), 0 4px 10px rgba(var(--rgb-primary),.10), 0 0 0 1px rgba(var(--rgb-accent),.10);
    --shadow-lg: 0 1px 0 rgba(255,255,255,.92), 0 8px 18px rgba(var(--rgb-primary),.14), 0 0 0 1px rgba(var(--rgb-accent),.14);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.24s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fffefb 0%, #f6efe4 100%); caret-color: var(--color-primary); accent-color: var(--color-accent); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #2f241c; text-shadow: 0 1px 0 rgba(255,255,255,.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, #fffdfa 0%, #f7efe2 100%); filter: saturate(1.02); opacity: .98; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(180deg, #8d5a34 0%, #6f4528 100%); color: #fffaf2; border-color: rgba(47,36,28,.22); border-style: solid; box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 4px 10px rgba(122,75,42,.16); text-shadow: 0 1px 0 rgba(47,36,28,.25); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-accent),.7); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 16s cubic-bezier(0.55, 0.08, 0.68, 0.53) infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); filter: grayscale(.08) saturate(1); opacity: .92; } 100% { transform: translateX(-50%); filter: grayscale(.18) saturate(1.08); opacity: 1; } }

/* 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(180deg, #fffaf1 0%, #efe1cb 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 1px 0 rgba(255,255,255,.9) inset, 0 10px 20px rgba(122,75,42,.10), 0 0 0 1px rgba(201,166,107,.16); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); background: linear-gradient(180deg, #fffefb 0%, #f3e6d2 100%); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(180deg, #3a2d22 0%, #5e412d 48%, #f3eadc 48%, #f3eadc 100%); color: #fff8ee; }
.card { border: 1px dashed rgba(var(--rgb-primary), .14); backdrop-filter: blur(2px); outline: 1px solid rgba(var(--rgb-accent), .08); outline-offset: -1px; }

/* 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; }
}