:/* CSSVariantEngine v3.0 — ev-go-kaiyun.com */
/* Palette: night-stage | Radius: tight | Shadow: deep */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"centered","hero":"overlay","testimonials":"grid-3","partners":"centered","faq":"two-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #c9a227;
    --color-primary-dark: #8e6b12;
    --color-accent: #a78bfa;
    --color-surface: #1a1a2e;
    --color-text: #e8e6f0;
    --rgb-primary: 201,162,39;
    --rgb-accent: 167,139,250;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --radius-xl: 8px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,.4);
    --shadow-md: 0 4px 8px rgba(0,0,0,.5), 0 2px 4px rgba(0,0,0,.3);
    --shadow-lg: 0 8px 16px rgba(0,0,0,.6), 0 4px 8px rgba(0,0,0,.4);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.25s cubic-bezier(.4,0,.2,1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #0f0f1a; }
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: #1e1e32; border: 1px solid rgba(201,162,39,.15); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--color-primary); color: #0f0f1a; box-shadow: 0 2px 8px rgba(201,162,39,.3); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background: var(--color-primary-dark); box-shadow: 0 4px 12px rgba(201,162,39,.5); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 8px rgba(201,162,39,.3); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; border-left: 3px solid var(--color-primary); }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }
                .feature-list .card { text-align: center; border-top: 3px solid var(--color-accent); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; text-align: center; }
                .hero-content h1, .hero-content h2 { text-shadow: 0 4px 20px rgba(0,0,0,.8), 0 0 40px rgba(201,162,39,.2); }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list .card { border-left: 3px solid var(--color-accent); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid .card { border: 1px solid rgba(167,139,250,.2); box-shadow: 0 2px 12px rgba(0,0,0,.3); }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list .card { border-left: 3px solid var(--color-primary-dark); }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }
                .stats-grid .card { text-align: center; border-bottom: 3px solid var(--color-primary); }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #1e1e32 0%, #2a1a4e 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 8px 32px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.05); border: 1px solid rgba(201,162,39,.2); }
.cta-inner h2, .cta-inner h3 { text-shadow: 0 2px 12px rgba(0,0,0,.5); }

/* 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); text-shadow: 0 0 12px rgba(167,139,250,.5); }
.card { border-left: 3px solid var(--color-primary); }
.card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.6), 0 4px 8px rgba(0,0,0,.4); transform: translateY(-2px); }

/* 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; --shadow-md: 0 2px 8px rgba(0,0,0,.5); }
    .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; }
}