/* CSSVariantEngine v3.0 — 918botiantangpingtai.sx.cn */
/* Palette: warm-sage | Radius: soft-medium | Shadow: glow-focused */
/* Spacing: vertical-spacious | Transition: gentle-glow */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"minimal","testimonials":"stacked","partners":"centered","faq":"with-sidebar","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #87a878;
    --color-primary-dark: #6a8a5b;
    --color-accent: #a2bf95;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 135,168,120;
    --rgb-accent: 162,191,149;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 0 12px rgba(var(--rgb-primary), 0.15);
    --shadow-md: 0 0 24px rgba(var(--rgb-primary), 0.4);
    --shadow-lg: 0 0 32px rgba(var(--rgb-primary), 0.6);
    --space-section: 4.5rem;
    --space-card: 2.25rem;
    --space-gap: 2rem;
    --transition: 0.4s ease-in-out;
    --heading-weight: 700;
    --body-line-height: 1.7;
}

@keyframes subtle-pulse {
    0% { box-shadow: 0 0 18px rgba(var(--rgb-primary), 0.3); }
    100% { box-shadow: 0 0 28px rgba(var(--rgb-primary), 0.5); }
}

/* 基础覆盖 */
body { background-color: var(--color-surface); color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { background-color: #ffffff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); animation: subtle-pulse 3s ease-in-out infinite alternate; }
.btn, button[class*="btn"], a[class*="btn"] { background-color: var(--color-primary); color: #ffffff; border-radius: var(--radius-md); transition: var(--transition); border: 1px solid var(--color-accent); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background-color: var(--color-primary-dark); box-shadow: var(--shadow-lg); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-underline-offset: 3px; }
a:not([class]):hover { color: var(--color-primary-dark); text-shadow: 0 0 8px rgba(var(--rgb-primary), 0.3); }

/* ========== 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: 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: minimal */
.hero { padding: 2rem 0; background: linear-gradient(to bottom, rgba(var(--rgb-primary), 0.08), transparent); } 
.hero-content { max-width: 560px; }

/* 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: 2rem; }
.partner-grid > * { filter: grayscale(0.6) brightness(0.9); transition: var(--transition); }
.partner-grid > *:hover { filter: grayscale(0) brightness(1); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* 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, var(--color-primary), var(--color-primary-dark)); color: #fdfcf9; padding: 4rem 2rem; box-shadow: 0 0 40px rgba(var(--rgb-primary), 0.5) inset; }

/* Page Layout: narrow-centered */
/* narrow single column centered */
.page-main { max-width: 760px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); animation: none; }
header, .header, .navbar { background: rgba(255,255,255,0.7); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(var(--rgb-primary), 0.1); }

/* 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; }
}