/* CSSVariantEngine v3.0 — page-3377-m.com.cn */
/* Palette: tide-glow | Radius: soft | Shadow: luminous */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"centered","testimonials":"masonry","partners":"centered","faq":"two-column","stats":"grid-3","cta":"split"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #252e3a;
    --color-accent: #2dd4bf;
    --color-surface: #eafcf8;
    --color-text: #1f2b3a;
    --rgb-primary: 15,118,110;
    --rgb-accent: 45,212,191;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 2px 10px rgba(15,118,110,.14), 0 0 16px rgba(45,212,191,.18);
    --shadow-md: 0 8px 28px rgba(15,118,110,.18), 0 0 24px rgba(45,212,191,.4);
    --shadow-lg: 0 16px 44px rgba(15,118,110,.24), 0 0 32px rgba(45,212,191,.6);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.25s cubic-bezier(.22,.68,.4,1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { background: linear-gradient(180deg, #f4fdfb 0%, var(--color-surface) 100%); color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 0 18px rgba(var(--rgb-accent), .14); }
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: rgba(240,253,250,.86); backdrop-filter: blur(10px); animation: cardGlow 6s ease-in-out infinite; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 0 20px rgba(var(--rgb-accent), .22), 0 6px 18px rgba(var(--rgb-primary), .16); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 14px rgba(var(--rgb-accent), .24); }

/* ========== 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); }

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

/* 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); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #252e3a 0%, #0f766e 55%, #0b5d63 100%); }
header, .header, .navbar { background: transparent; }

@keyframes cardGlow {
    0%, 100% { box-shadow: var(--shadow-md); }
    50% { box-shadow: var(--shadow-lg); }
}

/* 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; }
}