/* CSSVariantEngine v3.0 — applezhuan.com */
/* Palette: teal-cyber | Radius: medium | Shadow: glow-accent */
/* Spacing: mixed contrast | Transition: elastic-glow */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"centered","testimonials":"masonry","partners":"centered","faq":"single-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #00ffcc;
    --color-surface: #ecfffc;
    --color-text: #134e4a;
    --rgb-primary: 13,148,136;
    --rgb-accent: 0,255,204;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-accent),.2);
    --shadow-md: 0 0 24px rgba(var(--rgb-accent),.4);
    --shadow-lg: 0 0 32px rgba(var(--rgb-accent),.6);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

@keyframes subtle-pulse {
    0%, 100% { box-shadow: var(--shadow-sm); }
    50% { box-shadow: 0 0 18px rgba(var(--rgb-accent), 0.3); }
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #f0fff4; }
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); border: 2px solid rgba(var(--rgb-accent), 0.3); background: white; animation: subtle-pulse 4s infinite ease-in-out; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--color-primary); color: white; border: 2px solid var(--color-accent); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); background: #f0fdfa; }

/* 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 { background: #f0fff4; }

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

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }
.testimonial-list .card { background: #ecfffc; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { background: white; border: 2px solid rgba(var(--rgb-primary), 0.2); border-radius: var(--radius-md); padding: 1rem; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card { background: #f0fdfa; }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3rem; }
.stats-grid > * { background: white; border: 2px solid var(--color-accent); border-radius: var(--radius-md); padding: 1.5rem; text-align: center; box-shadow: var(--shadow-sm); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.cta-inner .card { background: #ccfbf1; border-color: 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 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); animation-play-state: paused; }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.7); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #0f766e, #059669); color: white; }
header, .header, .navbar { box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.3); background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); border-bottom: 2px solid rgba(var(--rgb-accent), 0.2); }

.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); transform: scale(1.03); }

/* 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; }
}