/* CSSVariantEngine v3.0 — 656caipiao.org.cn */
/* Palette: teal-amber | Radius: generous | Shadow: layered-glow */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-2","hero":"split","testimonials":"carousel","partners":"centered","faq":"single-column","stats":"grid-4","cta":"card-style"} */

:root {
    --color-primary: #0e9f8f;
    --color-primary-dark: #0a6f66;
    --color-accent: #f59e0b;
    --color-surface: #eafaf5;
    --color-text: #123330;
    --rgb-primary: 14,159,143;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 2px rgba(14,159,143,.16), 0 1px 4px rgba(10,60,55,.06);
    --shadow-md: 0 8px 18px -8px rgba(14,159,143,.32), 0 2px 6px rgba(10,60,55,.07);
    --shadow-lg: 0 22px 44px -18px rgba(14,159,143,.40), 0 10px 24px -12px rgba(245,158,11,.22);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.45s cubic-bezier(.22,.61,.36,1);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    background: linear-gradient(165deg, #f8fffd 0%, #eafaf5 42%, #e0f3ee 72%, #fdf3e2 100%);
    color: var(--color-text);
    line-height: var(--body-line-height);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #0b2b28; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-image: linear-gradient(180deg, rgba(14,159,143,.03) 0%, rgba(245,158,11,.02) 100%); }
.card, [class*="card"] {
    background: linear-gradient(150deg, #ffffff 0%, #f5fdfa 48%, #e7f8f2 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
}
.btn, button[class*="btn"], a[class*="btn"] {
    background-image: linear-gradient(135deg, #12b3a1 0%, #0e9f8f 45%, #0a6f66 100%);
    border-color: rgba(10,111,102,.55);
    color: #f2fffc;
    border-radius: var(--radius-md);
    box-shadow: 0 6px 16px -8px rgba(14,159,143,.55), 0 2px 5px rgba(10,60,55,.12);
    transition: var(--transition);
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background-image: linear-gradient(135deg, #f7b733 0%, #f59e0b 50%, #d97706 100%);
    border-color: rgba(217,119,6,.55);
    box-shadow: 0 12px 26px -10px rgba(245,158,11,.55), 0 3px 8px rgba(120,70,10,.15);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
                .news-grid { column-count: 2; column-gap: var(--space-gap); }
                .news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }
.feature-list > * { background-image: linear-gradient(160deg, rgba(255,255,255,.96) 0%, rgba(234,250,245,.92) 100%); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: var(--transition); }

/* 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%; border-radius: var(--radius-xl); background-image: linear-gradient(120deg, #f6fefb 0%, #e6f8f2 55%, #fdf1dd 100%); box-shadow: var(--shadow-lg); transition: var(--transition); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { opacity: .88; filter: saturate(.85) contrast(1.02); transition: var(--transition); }
.partner-grid > *:hover { opacity: 1; filter: saturate(1.15) contrast(1.05); }

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid > * { background-image: linear-gradient(200deg, #ffffff 0%, #eafaf5 60%, #e0f3ee 100%); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: var(--transition); }

/* cta: card-style */
.cta-inner {
    background: linear-gradient(135deg, #ddf7ee 0%, #cdf0e6 38%, #fde9c6 78%, #fbe0b2 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(var(--rgb-accent), .22);
}

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card { border: 1px solid rgba(var(--rgb-primary), .18); }
.card:hover { border-color: rgba(var(--rgb-accent), .40); box-shadow: var(--shadow-lg); }
header, .header, .navbar {
    background-image: linear-gradient(95deg, #ffffff 0%, #f2fdfa 45%, #eafaf5 100%);
    box-shadow: 0 8px 26px -12px rgba(14,159,143,.38), 0 2px 8px rgba(10,60,55,.07);
    border-bottom: 1px solid rgba(var(--rgb-primary), .14);
}

/* 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; }
}