:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #8f523a;
    --color-accent: #87a878;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --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,.05), 0 3px 8px rgba(196,123,90,.09);
    --shadow-md: 0 4px 10px rgba(45,45,45,.06), 0 14px 30px rgba(196,123,90,.14);
    --shadow-lg: 0 10px 22px rgba(45,45,45,.09), 0 30px 60px rgba(196,123,90,.22);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
    --grad-surface: linear-gradient(160deg, #fffdf9 0%, #f7f2ea 55%, #f2ebe0 100%);
    --grad-accent: linear-gradient(135deg, #c47b5a 0%, #ab6544 58%, #8f523a 100%);
    --grad-sage: linear-gradient(135deg, #a3c194 0%, #87a878 55%, #6d8d5e 100%);
    --grad-page: linear-gradient(180deg, #faf8f3 0%, #f6f0e5 42%, #f3f6ee 100%);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--grad-page); background-attachment: fixed; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #262626; text-shadow: 0 1px 0 rgba(255,255,255,.65), 0 2px 6px rgba(196,123,90,.10); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(250,248,243,0) 0%, rgba(135,168,120,.045) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: var(--grad-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--grad-accent); color: #fffaf5; box-shadow: 0 3px 10px rgba(196,123,90,.30), 0 10px 26px rgba(143,82,58,.18); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); caret-color: var(--color-accent); }

/* ========== 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: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; background: radial-gradient(circle at 50% 0%, rgba(135,168,120,.10) 0%, rgba(250,248,243,0) 68%); }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; background: linear-gradient(120deg, rgba(196,123,90,.07) 0%, rgba(250,248,243,0) 45%, rgba(135,168,120,.08) 100%); }

/* 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; opacity: .92; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* 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 2px 0 rgba(255,255,255,.7), 0 8px 20px rgba(196,123,90,.22); }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #faf8f3 0%, #f4ede2 48%, #e9f0e3 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 14px 34px rgba(196,123,90,.16), 0 36px 70px rgba(109,141,94,.14); }

/* 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: var(--shadow-lg), 0 0 0 1px rgba(196,123,90,.18); }
.card { border: 1px solid rgba(var(--rgb-primary), .16); }

/* 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; }
}