/* CSSVariantEngine v3.0 — sc-lecai.cn */
/* Palette: warm amber gradient | Radius: soft rounded | Shadow: multi-layer gradient */
/* Spacing: generous strip | Transition: long smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-2","hero":"overlay","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #b45309;
    --color-primary-dark: #78350f;
    --color-accent: #f59e0b;
    --color-surface: #fffbeb;
    --color-text: #422006;
    --rgb-primary: 180, 83, 9;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 4px rgba(var(--rgb-primary), 0.07), 0 1px 2px rgba(var(--rgb-accent), 0.04);
    --shadow-md: 0 4px 12px rgba(var(--rgb-primary), 0.09), 0 2px 6px rgba(var(--rgb-accent), 0.06);
    --shadow-lg: 0 8px 24px rgba(var(--rgb-primary), 0.12), 0 4px 12px rgba(var(--rgb-accent), 0.08), 0 2px 6px rgba(252, 211, 77, 0.05);
    --space-section: 5rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #ffffff 0%, #fffbeb 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
section:nth-child(even), .section:nth-child(even) { background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%); }
section:nth-child(odd), .section:nth-child(odd) { background: linear-gradient(180deg, #ffffff 0%, #fffcf5 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff 0%, #fffef8 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; border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; background: linear-gradient(135deg, rgba(var(--rgb-primary), 0.92) 0%, rgba(var(--rgb-accent), 0.85) 100%); }
.hero-content { position: relative; z-index: 1; }
.hero * { color: #ffffff; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; } 
.testimonial-list > * { flex: 0 0 100%; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* 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; }
.cta-section { background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%); color: white; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card { border-left: 3px solid; border-image: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 50%, #fcd34d 100%) 1; }
header, .header, .navbar { box-shadow: 0 4px 16px rgba(var(--rgb-primary), 0.08), 0 2px 8px rgba(var(--rgb-accent), 0.04); background: linear-gradient(90deg, #ffffff 0%, #fffcf5 100%); }

/* 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; }
}