/* CSSVariantEngine v3.0 — card-mosaic */
/* Palette: tidepool | Radius: crisp | Shadow: layered-soft */
/* Spacing: tight | Transition: snappy */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"minimal","testimonials":"carousel","partners":"grid-6","faq":"two-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #ff6b5e;
    --color-primary-dark: #cf3f4c;
    --color-accent: #17a398;
    --color-surface: #f2f1ec;
    --color-text: #28383c;
    --color-card: #ffffff;
    --rgb-primary: 255,107,94;
    --rgb-accent: 23,163,152;
    --rgb-shadow: 31,58,55;
    --card-accent: var(--color-primary);
    --card-bg: #ffffff;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --radius-xl: 8px;
    --shadow-sm: 0 1px 2px rgba(var(--rgb-shadow), .05);
    --shadow-md: 0 2px 6px rgba(var(--rgb-shadow), .07), 0 1px 3px rgba(var(--rgb-shadow), .04);
    --shadow-lg: 0 8px 20px rgba(var(--rgb-shadow), .08), 0 2px 6px rgba(var(--rgb-shadow), .04);
    --space-section: 2rem;
    --space-card: 0.875rem;
    --space-gap: 0.6875rem;
    --transition: 0.22s cubic-bezier(0.25, 0.6, 0.35, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { background-color: var(--color-surface); color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { color: var(--color-text); font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-md); box-shadow: var(--shadow-md); padding: var(--space-card); background: var(--card-bg); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-sm); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); --card-accent: #ff8c42; --card-bg: #fff3e0; }
                .news-grid .card { break-inside: avoid; margin-bottom: 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; --card-accent: #17a398; --card-bg: #e6f7f5; }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; --card-accent: #df5c5c; --card-bg: #fdecec; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; --card-accent: #f0a500; --card-bg: #fff8e1; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); --card-accent: #7c67d6; --card-bg: #f1edfc; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; --card-accent: #2d9cdb; --card-bg: #e5f3fc; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff7f0; padding: 4rem 2rem; }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #0b3b3c, #116466); }
.card { border-left: 3px solid var(--card-accent); }

/* 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: 0.875rem; --space-gap: 0.6875rem; }
    .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; }
}