/* CSSVariantEngine v3.0 — home-acmilan-live.com.cn */
/* Palette: teal-mist | Radius: medium | Shadow: glow */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-2","hero":"overlay","testimonials":"grid-3","partners":"grid-6","faq":"single-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #115e59;
    --color-accent: #14b8a6;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --rgb-primary: 15,118,110;
    --rgb-accent: 20,184,166;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(15,118,110,.1), 0 0 12px rgba(20,184,166,.25);
    --shadow-md: 0 4px 12px rgba(15,118,110,.12), 0 0 24px rgba(20,184,166,.4);
    --shadow-lg: 0 12px 24px rgba(15,118,110,.14), 0 0 36px rgba(20,184,166,.5);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #f1f5f9; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-text); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: inset 0 3px 0 var(--color-accent), var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: var(--color-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--color-primary); color: #ffffff; box-shadow: var(--shadow-sm); }
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-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* 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; }

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

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

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

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.stats-grid .stat-value { font-size: 3rem; }

/* cta: card-style */
.cta-inner { background: var(--color-surface); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card { border: 1px solid rgba(var(--rgb-accent), .12); }

/* Glow effects */
.card { animation: glowPulse 6s ease-in-out infinite; }
.card:hover { animation: none; box-shadow: inset 0 3px 0 var(--color-accent), 0 0 32px rgba(20,184,166,.6), 0 8px 20px rgba(15,118,110,.18); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 32px rgba(20,184,166,.6), 0 4px 12px rgba(15,118,110,.18); }

@keyframes glowPulse {
    0%, 100% {
        box-shadow: inset 0 3px 0 var(--color-accent), 0 4px 12px rgba(15,118,110,.12), 0 0 24px rgba(20,184,166,.4);
    }
    50% {
        box-shadow: inset 0 3px 0 var(--color-accent), 0 4px 12px rgba(15,118,110,.12), 0 0 34px rgba(20,184,166,.55);
    }
}

/* 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; }
}