/* CSSVariantEngine v3.0 — asymmetric-blocks + soft-shadows */
/* Palette: deep-teal + clay | Radius: soft-round | Shadow: layered */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"minimal","testimonials":"carousel","partners":"centered","faq":"single-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #0e3a47;
    --color-primary-dark: #08242e;
    --color-accent: #e76f51;
    --color-surface: #fbf6ee;
    --color-text: #14303a;
    --rgb-primary: 14,58,71;
    --rgb-accent: 231,111,81;
    --radius-sm: 14px;
    --radius-md: 22px;
    --radius-lg: 30px;
    --radius-xl: 44px;
    --shadow-sm: 0 2px 6px rgba(14,58,71,0.04), 0 10px 20px -8px rgba(14,58,71,0.10);
    --shadow-md: 0 4px 14px rgba(14,58,71,0.05), 0 24px 48px -14px rgba(14,58,71,0.15);
    --shadow-lg: 0 8px 24px rgba(14,58,71,0.06), 0 40px 80px -20px rgba(14,58,71,0.22);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: 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: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: var(--shadow-sm); background: var(--color-primary); color: #ffffff; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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; background: linear-gradient(135deg, #fbe3da, #dbe8e5); border-radius: var(--radius-lg); }

/* 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; border-radius: var(--radius-lg); background: #f6eddf; }

/* hero: minimal */
.hero { padding: 2rem 0; background: linear-gradient(135deg, #fffaf2, #f2e6d5); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); }
.hero-content { max-width: 560px; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; }
.testimonial-list > * { flex: 0 0 100%; border-radius: var(--radius-lg); background: #e8f0ee; }

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

/* 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-accent); text-shadow: 0 2px 12px rgba(var(--rgb-accent), 0.18); }

/* 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(-4px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-accent), 0.25); }
header, .header, .navbar { background: rgba(251, 246, 238, 0.55); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

/* 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; }
}