/* CSSVariantEngine v3.0 — zh-1jjyul.com */
/* Palette: teal-amber | Radius: soft-pill | Shadow: layered-gradient */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"grid-3","hero":"split","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #115e59;
    --color-accent: #d97706;
    --color-surface: #ecfdf5;
    --color-text: #0f2e2b;
    --rgb-primary: 15,118,110;
    --rgb-accent: 217,119,6;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-sm: 0 1px 2px rgba(15,118,110,.18), 0 2px 6px rgba(217,119,6,.10);
    --shadow-md: 0 6px 14px rgba(15,118,110,.16), 0 14px 30px rgba(217,119,6,.12);
    --shadow-lg: 0 18px 34px rgba(15,118,110,.22), 0 30px 60px rgba(217,119,6,.18);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #f0fdfa 0%, #ecfdf5 45%, #fef3c7 100%);
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    background: linear-gradient(90deg, #0f766e 0%, #14b8a6 55%, #d97706 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
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: linear-gradient(145deg, #ffffff 0%, #f0fdfa 50%, #fef3c7 100%);
    border: 1px solid transparent;
    border-image: linear-gradient(135deg, rgba(15,118,110,.35), rgba(217,119,6,.35)) 1;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, #0f766e 0%, #14b8a6 50%, #d97706 100%);
    color: #ffffff;
    border: 1px solid rgba(15,118,110,.25);
    box-shadow: 0 4px 10px rgba(15,118,110,.28), 0 2px 4px rgba(217,119,6,.20);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(217,119,6,.55);
}

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

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

/* cta: card-style */
.cta-inner {
    background: linear-gradient(135deg, #ccfbf1 0%, #ecfdf5 45%, #fef3c7 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: 0 10px 24px rgba(15,118,110,.18), 0 22px 48px rgba(217,119,6,.16);
}

/* 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: 0 22px 40px rgba(15,118,110,.26), 0 36px 70px rgba(217,119,6,.20);
    border-image: linear-gradient(135deg, rgba(15,118,110,.55), rgba(217,119,6,.55)) 1;
}

/* 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; }
}