/* CSSVariantEngine v3.0 — sc-zucaiwang.cn */
/* Palette: warm sunset | Radius: soft rounded | Shadow: multi-layer gradient */
/* Spacing: generous | Transition: smooth long */
/* Section layouts: {"news":"grid-3","features":"grid-4","hero":"left-aligned","testimonials":"stacked","partners":"scroll","faq":"with-sidebar","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #ff7b00;
    --color-primary-dark: #d62828;
    --color-accent: #fcbf49;
    --color-surface: linear-gradient(135deg, #fff9f0 0%, #ffeed8 100%);
    --color-text: #2b2d42;
    --rgb-primary: 255, 123, 0;
    --rgb-accent: 252, 191, 73;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 4px rgba(214,40,40,0.12), 0 2px 6px rgba(255,123,0,0.08);
    --shadow-md: 0 3px 12px rgba(214,40,40,0.15), 0 6px 20px rgba(252,191,73,0.1);
    --shadow-lg: 0 6px 24px rgba(214,40,40,0.18), 0 12px 36px rgba(255,123,0,0.12), 0 18px 48px rgba(252,191,73,0.08);
    --space-section: 4rem;
    --space-card: 1.2rem;
    --space-gap: 0.9rem;
    --transition: 0.55s cubic-bezier(0.25, 0.4, 0.55, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #ffffff 0%, #fffdf9 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%, #fffaf2 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: none;
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* 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 28s 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; color: var(--color-primary-dark); background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* 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); }
a:not([class]):hover { color: var(--color-primary-dark); text-decoration-thickness: 2px; }
.card { 
    border: 1px solid transparent;
    border-image: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary-dark)) 1 stretch;
}
header, .header, .navbar { 
    background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,249,240,0.85) 100%);
    backdrop-filter: blur(12px);
}

/* Alternating strip background overrides */
section:nth-child(even) { background: var(--color-surface); }
section:nth-child(4n) { background: linear-gradient(180deg, #2b2d42 0%, #1a1b26 100%); color: #fff9f0; }

/* 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: 3rem; --space-card: 1.1rem; --space-gap: 0.8rem; }
    .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; }
}