/* CSSVariantEngine v3.0 — sc-jingyulive.com.cn */
/* Palette: teal-cream | Radius: minimal | Shadow: none */
/* Spacing: generous | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"overlay","testimonials":"stacked","partners":"scroll","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #0d5d56;
    --color-accent: #f59e0b;
    --color-surface: #fffbeb;
    --color-text: #1f2937;
    --rgb-primary: 15, 118, 110;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 4px;
    --radius-xl: 6px;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --space-section: 5rem;
    --space-card: 1.2rem;
    --space-gap: 1rem;
    --transition: 0.35s ease-in-out;
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #ffffff; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section:nth-child(even), .section:nth-child(even) { background-color: var(--color-surface); }
section:nth-child(3n), .section:nth-child(3n) { background-color: #1e293b; color: #ffffff; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); width: 100%; }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-color: #ffffff; border: 1px solid #e5e7eb; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; border: 2px solid var(--color-primary); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background-color: var(--color-primary-dark); border-color: var(--color-primary-dark); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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; background-color: var(--color-surface); border: 1px solid #fcd34d; }

/* features: horizontal */
/* 水平滚动 */
.feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; background-color: var(--color-surface); }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; background-color: #ffffff; border: 1px solid #d1d5db; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; background-color: var(--color-primary); color: white; }
.hero-content { position: relative; z-index: 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 > * { background-color: #ffffff; border: 1px solid #e5e7eb; }

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 25s linear infinite; }
.partner-grid > * { color: var(--color-text); opacity: 0.8; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list > * { background-color: var(--color-surface); border: 1px solid #fef3c7; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * { border-top: 3px solid var(--color-accent); padding-top: 1.5rem; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; padding: 4rem 2rem; background-color: var(--color-surface); border: 2px solid var(--color-primary); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 3px solid var(--color-primary); }

/* 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: 2.2rem; --space-card: 1.1rem; --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; }
}