/* CSSVariantEngine v3.0 — app2-leyutiyu.com.cn */
/* Palette: mosaic-teal | Radius: rounded | Shadow: layered */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"split","testimonials":"carousel","partners":"grid-6","faq":"two-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #f59e0b;
    --color-surface: #fffbeb;
    --color-text: #1c1917;
    --rgb-primary: 15,118,110;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(15,118,110,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 24px rgba(15,118,110,0.12), 0 4px 8px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 40px rgba(15,118,110,0.18), 0 8px 16px rgba(0,0,0,0.08);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
    accent-color: var(--color-accent);
    caret-color: var(--color-primary);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #faf7f2 0%, #f2ece3 100%); }
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: radial-gradient(circle at 85% 15%, rgba(15,118,110,0.1), transparent 50%), radial-gradient(circle at 15% 85%, rgba(245,158,11,0.08), transparent 50%), linear-gradient(145deg, #ffffff 0%, #fefce8 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-accent) 0%, #f97316 100%); box-shadow: 0 6px 16px rgba(245,158,11,0.3), 0 2px 4px rgba(0,0,0,0.06); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* 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: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

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

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

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

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: card-style */
.cta-inner { background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.25), transparent 50%), linear-gradient(135deg, #fbbf24 0%, var(--color-accent) 35%, #f97316 100%); 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:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(circle at 15% 10%, rgba(245,158,11,0.18), transparent 45%), radial-gradient(circle at 85% 90%, rgba(15,118,110,0.4), transparent 50%), linear-gradient(135deg, #0f766e 0%, #134e4a 60%, #0d9488 100%); }
.card { border-left: 3px solid var(--color-primary); border-image: linear-gradient(to bottom, var(--color-accent) 0%, var(--color-primary) 100%) 1; }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(15,118,110,0.1), 0 1px 3px rgba(0,0,0,0.06); background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.72)); backdrop-filter: blur(10px); }

/* 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; }
}