/* CSSVariantEngine v3.0 — hua-tihui-about.com.cn */
/* Palette: teal-amber | Radius: rounded | Shadow: layered */
/* Spacing: generous | Transition: eased */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"split","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #d97706;
    --color-surface: #f0fdfa;
    --color-text: #134e4a;
    --rgb-primary: 15,118,110;
    --rgb-accent: 217,119,6;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(var(--rgb-primary),.06), 0 4px 12px rgba(var(--rgb-primary),.05);
    --shadow-md: 0 2px 4px rgba(var(--rgb-primary),.05), 0 12px 24px -8px rgba(var(--rgb-primary),.10), 0 24px 48px -12px rgba(var(--rgb-accent),.08);
    --shadow-lg: 0 4px 8px rgba(var(--rgb-primary),.04), 0 16px 32px -8px rgba(var(--rgb-primary),.12), 0 40px 80px -16px rgba(var(--rgb-accent),.10);
    --space-section: 4.5rem;
    --space-card: 1.5rem;
    --space-gap: 1.5rem;
    --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background-color: #f0fdfa;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(var(--rgb-primary),.08), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(var(--rgb-accent),.06), transparent 35%),
        linear-gradient(135deg, #f0fdfa 0%, #f8fafc 50%, #ecfeff 100%);
    accent-color: var(--color-accent);
    caret-color: var(--color-primary);
}
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, transparent, rgba(var(--rgb-primary),.03), transparent);
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background-color: var(--color-surface);
    background-image: linear-gradient(145deg, rgba(255,255,255,.82), rgba(var(--rgb-primary),.05));
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 2px rgba(var(--rgb-primary),.12); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* 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: 2.25rem; align-items: center; background: radial-gradient(circle at 90% 10%, rgba(var(--rgb-accent),.08), transparent 50%); }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.25rem; }

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

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3.5rem; }

/* cta: card-style */
.cta-inner { background: radial-gradient(circle at 85% 20%, rgba(var(--rgb-accent),.10), transparent 45%), linear-gradient(135deg, #ccfbf1, var(--color-surface) 60%, #ecfeff); border-radius: var(--radius-xl); padding: 3.5rem; 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 */
a:not([class]):hover { color: var(--color-accent); }
.card {
    border: 1px solid transparent;
    background:
        linear-gradient(145deg, rgba(255,255,255,.92), rgba(var(--rgb-primary),.06)) padding-box,
        linear-gradient(135deg, rgba(var(--rgb-primary),.35), rgba(var(--rgb-accent),.22), rgba(var(--rgb-primary),.35)) border-box;
}
header, .header, .navbar { background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(var(--rgb-primary),.05)); backdrop-filter: blur(10px); -webkit-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: 2.5rem; --space-card: 1rem; --space-gap: 1rem; }
    .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; }
}