:root {
    --color-primary: #b4533f;
    --color-primary-dark: #8f3b2f;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 180,83,63;
    --rgb-accent: 135,168,120;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-xl: 34px;
    --shadow-sm: 0 1px 0 rgba(45,45,45,.06), 0 10px 20px rgba(45,45,45,.06);
    --shadow-md: 0 10px 26px rgba(45,45,45,.10), 0 2px 6px rgba(45,45,45,.06);
    --shadow-lg: 0 26px 60px rgba(45,45,45,.14), 0 10px 22px rgba(45,45,45,.08), 0 2px 0 rgba(45,45,45,.04);
    --space-section: 3.2rem;
    --space-card: 1.6rem;
    --space-gap: 1.1rem;
    --transition: 360ms cubic-bezier(.2,.8,.2,1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
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 24px rgba(45,45,45,.10),
        0 2px 8px rgba(45,45,45,.06);
    padding: var(--space-card);
    transition: var(--transition);
    background:
        radial-gradient(1200px 220px at 10% 0%, rgba(var(--rgb-accent),.10) 0%, rgba(255,255,255,0) 55%),
        radial-gradient(900px 260px at 90% 0%, rgba(var(--rgb-primary),.10) 0%, rgba(255,255,255,0) 52%),
        #fff;
}
.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-shadow: 0 1px 0 rgba(255,255,255,.7); }

/* ========== 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: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* 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 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-6px);
    box-shadow:
        0 1px 0 rgba(45,45,45,.08),
        0 22px 52px rgba(45,45,45,.14),
        0 8px 18px rgba(45,45,45,.10),
        0 0 0 1px rgba(var(--rgb-accent), .12);
}
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 2px 10px rgba(var(--rgb-accent), .22); }
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(900px 260px at 18% 15%, rgba(var(--rgb-accent),.20) 0%, rgba(255,255,255,0) 55%),
        radial-gradient(860px 320px at 85% 25%, rgba(var(--rgb-primary),.22) 0%, rgba(255,255,255,0) 58%),
        linear-gradient(135deg, #fff6ee 0%, #faf8f3 30%, #f3f7f0 100%);
    border-radius: var(--radius-xl);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.7);
}
.card { border: 1px solid rgba(var(--rgb-primary), .10); }
header, .header, .navbar { background: transparent; }

@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: 2.6rem; --space-card: 1.35rem; --space-gap: 1rem; }
    .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; }
}