/* CSSVariantEngine v3.0 — kaiyuanqipaipingtai-qq.com.cn */
/* Palette: warm terracotta harmony | Radius: soft rounded | Shadow: multi-layer gradient tinted */
/* Spacing: symmetric 24px uniform | Transition: smooth 0.5s cubic-bezier */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"split","testimonials":"masonry","partners":"scroll","faq":"with-sidebar","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #b45309;
    --color-primary-dark: #78350f;
    --color-accent: #f59e0b;
    --color-surface: #fff7ed;
    --color-text: #431407;
    --rgb-primary: 180,83,9;
    --rgb-accent: 245,158,11;
    --radius-sm: 12px;
    --radius-md: 22px;
    --radius-lg: 32px;
    --radius-xl: 44px;
    --shadow-sm: 0 2px 4px rgba(180,83,9,.07), 0 1px 2px rgba(180,83,9,.04);
    --shadow-md: 0 4px 12px rgba(180,83,9,.1), 0 2px 6px rgba(180,83,9,.06), 0 1px 2px rgba(180,83,9,.03);
    --shadow-lg: 0 8px 24px rgba(180,83,9,.12), 0 4px 12px rgba(180,83,9,.08), 0 2px 4px rgba(180,83,9,.05);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.7;
    accent-color: var(--color-primary);
    caret-color: var(--color-primary-dark);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fff7ed 0%, #ffedd5 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(180,83,9,0.05); }
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(135deg, #ffffff 0%, #fffcf7 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: white; box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:not([class]):hover { text-shadow: 0 0 8px rgba(245,158,11,0.3); }

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

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

/* 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 24s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { background: radial-gradient(circle at top left, rgba(245,158,11,0.1) 0%, transparent 70%); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #78350f 0%, #b45309 45%, #f59e0b 100%); color: #fffbeb; padding: 4rem 2rem; box-shadow: inset 0 0 60px rgba(0,0,0,0.15); }

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

/* 条件性装饰 */
.card { border: 1px solid; border-image: linear-gradient(135deg, rgba(180,83,9,0.12), rgba(245,158,11,0.12)) 1 stretch; backdrop-filter: blur(2px); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* 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; }
}