/* CSSVariantEngine v3.0 — cn-mkyl.com */
/* Palette: teal-marine | Radius: balanced | Shadow: layered-gradient */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"centered","testimonials":"carousel","partners":"scroll","faq":"single-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #0d7377;
    --color-primary-dark: #095456;
    --color-accent: #3dd6c4;
    --color-surface: #f0fdfa;
    --color-text: #042f2e;
    --rgb-primary: 13,115,119;
    --rgb-accent: 61,214,196;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-xl: 34px;
    --shadow-sm: 0 1px 4px rgba(13,115,119,.12), 0 1px 2px rgba(61,214,196,.08);
    --shadow-md: 0 6px 16px rgba(13,115,119,.15), 0 2px 6px rgba(61,214,196,.1), 0 0 0 1px rgba(61,214,196,.06);
    --shadow-lg: 0 16px 32px rgba(13,115,119,.18), 0 6px 12px rgba(61,214,196,.12), 0 0 0 1px rgba(61,214,196,.08);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(160deg, #f0fdfa 0%, #ecfeff 40%, #f0fdfa 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(240,253,250,0) 0%, rgba(236,254,255,0.5) 50%, rgba(240,253,250,0) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff 0%, #f0fdfa 60%, #ecfeff 100%); border-image: linear-gradient(135deg, rgba(61,214,196,.3), rgba(13,115,119,.15), rgba(61,214,196,.3)) 1; border-style: solid; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #0d7377 0%, #095456 50%, #0d7377 100%); color: #f0fdfa; box-shadow: 0 4px 14px rgba(13,115,119,.25); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

/* 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; }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; background: radial-gradient(ellipse at 50% 0%, rgba(61,214,196,.08) 0%, transparent 70%); }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 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; background: linear-gradient(135deg, #0d7377, #3dd6c4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; background: linear-gradient(135deg, rgba(13,115,119,.04) 0%, rgba(61,214,196,.06) 50%, rgba(13,115,119,.04) 100%); border-radius: var(--radius-xl); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(13,115,119,.1), 0 1px 3px rgba(61,214,196,.08); background: linear-gradient(90deg, #ffffff 0%, #f0fdfa 50%, #ffffff 100%); }

/* 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; }
}