/* CSSVariantEngine v3.0 — dabodianjing.com.cn */
/* Palette: bold asymmetric | Radius: large pillowy | Shadow: soft layered */
/* Spacing: airy generous | Transition: smooth breathy */
/* Section layouts: {"news":"list-view","features":"grid-3","hero":"centered","testimonials":"stacked","partners":"centered","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #0ea5e9;
    --color-primary-dark: #0369a1;
    --color-accent: #f97316;
    --color-surface: #fef7ed;
    --color-text: #1e293b;
    --rgb-primary: 14, 165, 233;
    --rgb-accent: 249, 115, 22;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 4px 12px rgba(var(--rgb-primary), 0.15);
    --shadow-md: 0 10px 28px rgba(var(--rgb-accent), 0.12);
    --shadow-lg: 0 16px 48px rgba(var(--rgb-primary), 0.18);
    --space-section: 4.5rem;
    --space-card: 2.5rem;
    --space-gap: 2rem;
    --transition: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #fff7ed; }
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-color: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-accent); color: white; border: 2px solid var(--color-primary); }
a:not([class]) { color: var(--color-primary-dark); transition: var(--transition); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; background: linear-gradient(135deg, #f0f9ff 0%, #fff7ed 100%); }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list .card:nth-child(odd) { background-color: #f0f9ff; }
.feature-list .card:nth-child(even) { background-color: #ffedd5; }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }
.hero-content h1 { color: var(--color-primary-dark); text-shadow: 0 2px 4px rgba(var(--rgb-primary), 0.1); }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
.testimonial-list .card { background-color: #ecfeff; border: 2px solid var(--color-primary); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { border-radius: var(--radius-md); padding: 1rem 1.5rem; background-color: white; border: 2px solid #fdba74; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list .card { background-color: #f0fdf4; border: 2px solid #86efac; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { background: linear-gradient(180deg, #0ea5e9 0%, #0369a1 100%); color: white; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; padding: var(--space-card); border-radius: var(--radius-xl); background: linear-gradient(135deg, #f97316 0%, #ea580c 100%); color: white; }

/* 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(-6px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); }
.card { border: 2px solid rgba(var(--rgb-accent), .25); }
header, .header, .navbar { background: rgba(255,255,255,0.85); backdrop-filter: blur(10px); border-bottom: 2px solid rgba(var(--rgb-primary), 0.1); }

/* 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: 2.5rem; --space-card: 1.5rem; --space-gap: 1rem; }
    .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; }
}