/* CSSVariantEngine v3.0 — wanmeipvp.cn */
/* Palette: balanced teal-amber | Radius: micro | Shadow: subtle low-contrast */
/* Spacing: tight | Transition: snappy */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"minimal","testimonials":"grid-3","partners":"scroll","faq":"single-column","stats":"grid-3","cta":"centered"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #042f2e;
    --color-accent: #f59e0b;
    --color-surface: #f0fdfa;
    --color-text: #134e4a;
    --rgb-primary: 13, 148, 136;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 6px;
    --shadow-sm: 0 1px 2px rgba(var(--rgb-primary), 0.08);
    --shadow-md: 0 2px 4px rgba(var(--rgb-primary), 0.1);
    --shadow-lg: 0 3px 6px rgba(var(--rgb-primary), 0.12);
    --space-section: 3rem;
    --space-card: 0.875rem;
    --space-gap: 0.75rem;
    --transition: 0.15s ease-out;
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); }
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-sm); padding: var(--space-card); transition: var(--transition); background-color: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #fff; }
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; }

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

/* hero: minimal */
.hero { padding: 2rem 0; background: linear-gradient(180deg, rgba(var(--rgb-primary), 0.05) 0%, transparent 100%); } .hero-content { max-width: 560px; }

/* 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 16s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* 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; background-color: rgba(var(--rgb-primary), 0.06); padding: 1.5rem; border-radius: var(--radius-xl); }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 3px solid var(--color-primary); }
header, .header, .navbar { box-shadow: 0 1px 3px rgba(var(--rgb-primary), 0.07); background-color: #ffffff; border-bottom: 1px solid rgba(var(--rgb-primary), 0.06); }

/* 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: 0.75rem; --space-gap: 0.625rem; }
    .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; }
}