/* CSSVariantEngine v3.0 — zh0jingcaiwang.com.cn */
/* Palette: teal-emerald | Radius: medium-rounded | Shadow: glow-accent */
/* Spacing: spacious | Transition: smooth-glow */
/* Section layouts: {"news":"grid-4","features":"grid-2","hero":"centered","testimonials":"stacked","partners":"centered","faq":"with-sidebar","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #2dd4bf;
    --color-surface: #fffbeb;
    --color-text: #134e4a;
    --rgb-primary: 13,148,136;
    --rgb-accent: 45,212,191;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent),.25);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent),.4);
    --shadow-lg: 0 0 32px rgba(var(--rgb-accent),.55);
    --space-section: 5.5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.4s ease-out;
    --heading-weight: 700;
    --body-line-height: 1.65;
}

@keyframes soft-pulse {
    0%, 100% { box-shadow: 0 0 24px rgba(var(--rgb-accent), 0.35); }
    50% { box-shadow: 0 0 36px rgba(var(--rgb-accent), 0.6); }
}

/* 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, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
section:nth-child(even):not(.hero) { background-color: var(--color-surface); }
section:nth-child(4n+3) { background-color: #134e4a; color: #f0fdfa; }
.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 rgba(var(--rgb-accent), 0.15); }
.card:hover, [class*="card"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.6); animation: soft-pulse 2.2s infinite ease-in-out; transform: translateY(-2px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; border: none; box-shadow: var(--shadow-sm); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 32px rgba(var(--rgb-accent), 0.7); background-color: var(--color-primary-dark); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration: none; }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.4); }

/* ========== 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: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { filter: grayscale(0.7) brightness(1.1); transition: var(--transition); }
.partner-grid > *:hover { filter: grayscale(0) brightness(1.3) drop-shadow(0 0 12px rgba(var(--rgb-accent), 0.6)); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

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

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #0d9488, #134e4a); color: white; }
header, .header, .navbar { background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(var(--rgb-accent), 0.2); }

/* 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; }
}