/* CSSVariantEngine v3.0 — deying.org.cn */
/* Palette: warm coral-teal gradient | Radius: rounded soft | Shadow: multi-layer tinted */
/* Spacing: balanced | Transition: smooth long */
/* Section layouts: {"news":"featured-top","features":"grid-4","hero":"centered","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #ff7e5f;
    --color-primary-dark: #f7633c;
    --color-accent: #2ec4b6;
    --color-surface: #f7f5f2;
    --color-text: #2d3142;
    --rgb-primary: 255,126,95;
    --rgb-accent: 46,196,182;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(255, 126, 95, 0.07), 0 1px 3px rgba(46, 196, 182, 0.05);
    --shadow-md: 0 4px 16px rgba(255, 126, 95, 0.09), 0 2px 6px rgba(46, 196, 182, 0.06), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 30px rgba(255, 126, 95, 0.12), 0 4px 12px rgba(46, 196, 182, 0.08), 0 2px 6px rgba(0,0,0,0.04), 0 1px 4px rgba(0,0,0,0.02);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(180deg, #f7f5f2 0%, #fff7f0 100%);
}
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: radial-gradient(circle at top left, #fffaf8 0%, #ffffff 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(135deg, #ff7e5f 0%, #feb47b 50%, #2ec4b6 100%);
    color: white;
    border: none;
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
    text-decoration: none;
    background: linear-gradient(180deg, transparent 60%, rgba(46, 196, 182, 0.2) 100%);
}
a:not([class]):hover {
    color: var(--color-accent);
    background: linear-gradient(180deg, transparent 60%, rgba(255, 126, 95, 0.3) 100%);
}

/* ========== 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-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 24s ease-in-out 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-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* 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(-6px); 
    box-shadow: var(--shadow-lg); 
    filter: saturate(1.05);
}
.card { 
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(255, 126, 95, 0.15) 0%, rgba(254, 180, 123, 0.15) 50%, rgba(46, 196, 182, 0.15) 100%) 1 stretch; 
}

/* 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: 0.9rem; }
    .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; }
}