/* 站4 沙褐旧书摊：沙色底、大字号宋体、近方角 */
:root {
    --brand: #8c4a2f;
    --brand-2: #713f12;
    --brand-3: #92400e;
    --brand-4: #a16207;
    --brand-soft: #f6efe6;
    --brand-ring: rgba(140, 74, 47, .14);
    --brand-shadow: rgba(140, 74, 47, .18);
    --page-bg: #f6f0e6;
    --header-bg: rgba(251, 246, 238, .97);
    --header-ink: #2f241c;
    --radius-card: 4px;
    --font-display: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

.text-blue-600 { color: var(--brand) !important; }

.ef-hero { border-radius: 4px !important; }
.site-header { border-bottom: 2px double #d9cbb8 !important; }
.ef-section-title { letter-spacing: .10em; }
.ef-logo { border-radius: 4px !important; }