/* CSSVariantEngine v3.0 — go-btiyu.tj.cn */
/* Palette: warm-minimal | Radius: soft | Shadow: layered-warm */
/* Spacing: comfortable | Transition: smooth-long */
/* Section layouts: {"news":"featured-left","features":"horizontal","hero":"centered","testimonials":"carousel","partners":"grid-4","faq":"two-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #87a878;
    --color-primary-dark: #55704c;
    --color-accent: #c47b5a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135,168,120;
    --rgb-accent: 196,123,90;
    --radius-sm: 3px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(45,45,45,.05), 0 1px 1px rgba(196,123,90,.04);
    --shadow-md: 0 4px 14px rgba(45,45,45,.07), 0 2px 6px rgba(135,168,120,.06);
    --shadow-lg: 0 14px 32px rgba(45,45,45,.09), 0 6px 14px rgba(196,123,90,.07);
    --space-section: 4.5rem;
    --space-card: 1.6rem;
    --space-gap: 1.35rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    caret-color: var(--color-accent);
    accent-color: var(--color-primary);
    background:
        radial-gradient(1200px 600px at 12% -8%, rgba(135,168,120,.12), transparent 62%),
        radial-gradient(1000px 520px at 98% 6%, rgba(196,123,90,.12), transparent 58%),
        linear-gradient(180deg, #faf8f3 0%, #f4efe6 42%, #f8f4ec 72%, #faf8f3 100%);
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    text-shadow: 0 1px 0 rgba(255,255,255,.7), 0 2px 8px rgba(135,168,120,.10);
}
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: linear-gradient(180deg, rgba(250,248,243,0) 0%, rgba(135,168,120,.05) 48%, rgba(250,248,243,0) 100%);
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(135,168,120,.14);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(148deg, #ffffff 0%, #faf8f3 52%, #f2ece1 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    color: #faf8f3;
    background: linear-gradient(135deg, #87a878 0%, #6f9163 48%, #c47b5a 100%);
    box-shadow: 0 8px 20px rgba(135,168,120,.28), 0 2px 6px rgba(196,123,90,.18);
}
a:not([class]) {
    color: var(--color-accent);
    transition: var(--transition);
}

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

/* features: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

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

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); 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: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type {
    background:
        radial-gradient(900px 480px at 22% 18%, rgba(135,168,120,.42), transparent 60%),
        radial-gradient(760px 420px at 88% 82%, rgba(196,123,90,.38), transparent 62%),
        linear-gradient(135deg, #2d2d2d 0%, #3d3d36 32%, #55704c 66%, #87a878 100%);
}

/* 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; }
}