/* CSSVariantEngine v3.0 — zh-int-dolphinlive.com.cn */
/* Palette: vibrant mosaic | Radius: large | Shadow: multi-layer soft */
/* Spacing: medium gap | Transition: smooth 0.4s */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"minimal","testimonials":"masonry","partners":"centered","faq":"with-sidebar","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #f97316;
    --color-surface: #f0fdfa;
    --color-text: #1e293b;
    --rgb-primary: 13,148,136;
    --rgb-accent: 249,115,22;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 26px;
    --shadow-sm: 0 2px 6px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.05), 0 12px 24px -6px rgba(0,0,0,0.09);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.05), 0 20px 40px -10px rgba(0,0,0,0.12);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1.75rem;
    --transition: 0.4s ease;
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #f8fafc; }
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-md); padding: var(--space-card); transition: var(--transition); background-color: #ffffff; border: 1px solid rgba(var(--rgb-primary), 0.08); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }
.feature-list .card:nth-child(1) { background-color: #ecfdf5; border-top: 4px solid #10b981; }
.feature-list .card:nth-child(2) { background-color: #fff7ed; border-top: 4px solid #f97316; }
.feature-list .card:nth-child(3) { background-color: #eff6ff; border-top: 4px solid #3b82f6; }
.feature-list .card:nth-child(4) { background-color: #fdf4ff; border-top: 4px solid #a855f7; }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

/* 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: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%); }

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

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%); }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; color: white; }

/* 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); }
a:not([class]):hover { color: var(--color-accent); }
header, .header, .navbar { box-shadow: 0 4px 8px rgba(0,0,0,0.05), 0 10px 20px -6px rgba(0,0,0,0.08); background-color: #ffffff; backdrop-filter: blur(8px); }

/* 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; }
}