/* CSSVariantEngine v3.0 — go-333tiyu-qq.com.cn */
/* Palette: asymmetric-blocks gradient-rich | Radius: mixed uneven | Shadow: multi-layer offset */
/* Spacing: bold contrast | Transition: smooth long */
/* Section layouts: {"news":"grid-4","features":"grid-2","hero":"split","testimonials":"stacked","partners":"scroll","faq":"with-sidebar","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #d00000;
    --color-primary-dark: #6a040f;
    --color-accent: #ffba08;
    --color-surface: #fefae0;
    --color-text: #18181b;
    --rgb-primary: 208, 0, 0;
    --rgb-accent: 255, 186, 8;
    --radius-sm: 4px;
    --radius-md: 22px;
    --radius-lg: 14px;
    --radius-xl: 38px;
    --shadow-sm: 2px 2px 0px #ffba08, 4px 4px 8px rgba(208, 0, 0, 0.15);
    --shadow-md: 4px 4px 0px #d00000, 8px 8px 16px rgba(255, 186, 8, 0.2);
    --shadow-lg: 6px 6px 0px #6a040f, 12px 12px 24px rgba(208, 0, 0, 0.25), 0 0 40px rgba(255, 186, 8, 0.1);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height); 
    background: linear-gradient(135deg, #fefae0 0%, #f8edeb 50%, #fec5bb 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: linear-gradient(145deg, #ffffff 0%, #fff8e6 100%);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition); 
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
    border: 2px solid transparent;
    border-image: linear-gradient(45deg, var(--color-primary-dark), var(--color-accent)) 1;
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 16s 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: 2rem; }

/* 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; background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%); -webkit-background-clip: text; color: transparent; }

/* cta: card-style */
.cta-inner { 
    background: linear-gradient(120deg, #d00000 0%, #dc2f02 35%, #faa307 70%, #ffba08 100%); 
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center; 
    color: white;
    box-shadow: var(--shadow-lg);
    border: 3px solid transparent;
    border-image: linear-gradient(45deg, #6a040f, #ffffff, #ffba08) 1 stretch;
}

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card { 
    border: 2px solid transparent; 
    border-image: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent)) 1 stretch; 
}
header, .header, .navbar { 
    background: linear-gradient(to right, rgba(254, 250, 224, 0.92), rgba(254, 197, 187, 0.88)); 
    backdrop-filter: blur(8px);
}

/* 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; }
}