/* CSSVariantEngine v3.0 — go-Leisutiyu.net.cn */
/* Palette: gradient-rich asymmetric | Radius: varied bold | Shadow: multi-layer glow */
/* Spacing: mixed tight-loose | Transition: smooth 0.55s cubic */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"centered","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #0ea5e9;
    --color-primary-dark: #0369a1;
    --color-accent: #f59e0b;
    --color-surface: #fff7ed;
    --color-text: #0f172a;
    --rgb-primary: 14, 165, 233;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --shadow-sm: 0 2px 8px rgba(14,165,233,0.15), 0 1px 3px rgba(245,158,11,0.1);
    --shadow-md: 0 8px 20px rgba(14,165,233,0.2), 0 4px 10px rgba(245,158,11,0.15), 0 2px 5px rgba(239,68,68,0.08);
    --shadow-lg: 0 16px 40px rgba(14,165,233,0.25), 0 8px 20px rgba(245,158,11,0.2), 0 4px 12px rgba(239,68,68,0.12);
    --space-section: 4.8rem;
    --space-card: 2.1rem;
    --space-gap: 1.4rem;
    --transition: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(135deg, #f0fdfa 0%, #fff7ed 45%, #fef3c7 100%);
}
h1, h2, h3, h4 { 
    font-weight: var(--heading-weight);
    text-shadow: 0 2px 6px rgba(14,165,233,0.12);
}
section, .section { 
    padding-top: var(--space-section); 
    padding-bottom: var(--space-section);
    background-attachment: fixed;
}
.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%, #f0f9ff 40%, #ffedd5 100%);
    border: 3px solid transparent;
    border-image: linear-gradient(45deg, #0ea5e9, #f59e0b, #ef4444) 1 stretch;
}
.card:hover, [class*="card"]:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(90deg, #0ea5e9, #38bdf8, #f59e0b);
    border: 2px solid transparent;
    border-image: linear-gradient(90deg, #0369a1, #f59e0b) 1 stretch;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    filter: brightness(1.1);
    transform: scale(1.03);
}
a:not([class]) { 
    color: #ef4444; 
    transition: var(--transition);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}
a:not([class]):hover {
    color: var(--color-primary-dark);
}

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
.news-grid { 
    display: grid; 
    grid-template-columns: 2fr 1fr; 
    grid-template-rows: auto auto; 
    gap: var(--space-gap); 
}
.news-grid > *:first-child { 
    grid-row: span 2; 
    background: linear-gradient(180deg, #0ea5e9 0%, #0284c7 100%);
    color: white;
}

/* features: grid-3 */
.feature-list { 
    display: grid; 
    grid-template-columns: repeat(3, 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: 1.8rem; 
    overflow: hidden; 
    animation: partnerScroll 24s linear 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: 2.1rem; 
}

/* stats: big-number */
/* 大数字居中 */
.stats-grid { 
    display: flex; 
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 2.1rem; 
}
.stats-grid .stat-value { 
    font-size: 3rem; 
    background: linear-gradient(90deg, #0ea5e9, #f59e0b, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 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 */
header, .header, .navbar { 
    background: linear-gradient(90deg, rgba(14,165,233,0.08) 0%, rgba(245,158,11,0.08) 100%);
    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: 2.1rem; --space-card: 1.1rem; --space-gap: 0.7rem; }
    .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; }
}