:/* CSSVariantEngine v3.0 — vn-pay-kaiyun.com */
/* Palette: warm-ivory | Radius: soft-pill | Shadow: layered */
/* Spacing: spacious | Transition: silky */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"overlay","testimonials":"grid-3","partners":"centered","faq":"single-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #8d6e63;
    --color-primary-dark: #3e2723;
    --color-accent: #a1887f;
    --color-surface: #faf7f2;
    --color-text: #2d1f1b;
    --rgb-primary: 141,110,99;
    --rgb-accent: 161,136,127;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-xl: 40px;
    --shadow-sm: 0 2px 4px rgba(93,64,55,.08), 0 1px 2px rgba(93,64,55,.04), 0 0 0 1px rgba(93,64,55,.02);
    --shadow-md: 0 6px 12px rgba(93,64,55,.1), 0 3px 6px rgba(93,64,55,.05), 0 0 0 1px rgba(93,64,55,.03);
    --shadow-lg: 0 16px 24px rgba(93,64,55,.12), 0 6px 12px rgba(93,64,55,.06), 0 0 0 1px rgba(93,64,55,.04);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 700;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fdfbf7 0%, #f5efe8 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-primary-dark); }
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%, #fdf6f0 100%); border: 1px solid rgba(141,110,99,.08); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #8d6e63, #6d4c41); color: #fff; box-shadow: 0 4px 8px rgba(93,64,55,.15); }
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: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #5d4037 0%, #3e2723 100%); color: #fff; padding: 4rem 2rem; box-shadow: inset 0 2px 8px rgba(0,0,0,.2); }

/* 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: var(--shadow-lg); background: linear-gradient(145deg, #ffffff 0%, #faf1e8 100%); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #8d6e63 0%, #5d4037 50%, #3e2723 100%); }
.card { border-left: 4px solid transparent; border-image: linear-gradient(180deg, #a1887f, #8d6e63, #5d4037) 1; }
header, .header, .navbar { box-shadow: 0 4px 12px rgba(93,64,55,.08), 0 2px 4px rgba(93,64,55,.04); background: linear-gradient(180deg, #ffffff, #faf7f2); }

/* 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; }
}