/* CSSVariantEngine v3.0 — h-huatihui-qq.com.cn */
/* Palette: warm-terracotta | Radius: pillowy | Shadow: soft-airy */
/* Spacing: generous | Transition: smooth-slow */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"left-aligned","testimonials":"grid-3","partners":"centered","faq":"two-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #c47b5a;
    --color-primary-dark: #a86247;
    --color-accent: #e2a98a;
    --color-surface: #faf8f3;
    --color-text: #2d2d2d;
    --rgb-primary: 196, 123, 90;
    --rgb-accent: 226, 169, 138;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 30px;
    --shadow-sm: 0 2px 8px rgba(var(--rgb-primary), 0.07);
    --shadow-md: 0 4px 16px rgba(45, 45, 45, 0.06), 0 2px 6px rgba(var(--rgb-primary), 0.04);
    --shadow-lg: 0 8px 28px rgba(45, 45, 45, 0.08), 0 4px 12px rgba(var(--rgb-primary), 0.05);
    --space-section: 4.5rem;
    --space-card: 2.25rem;
    --space-gap: 2.25rem;
    --transition: 0.4s ease-out;
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #faf8f3; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
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-color: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); 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: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* 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: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

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

/* cta: card-style */
.cta-inner { background: var(--color-surface); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg); }

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

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #c47b5a, #a86247); color: #fff; }
.card { border-left: 3px solid var(--color-primary); }
header, .header, .navbar { box-shadow: 0 4px 16px rgba(45, 45, 45, 0.05); background-color: #ffffff; }

/* 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: 2.75rem; --space-card: 1.5rem; --space-gap: 1.25rem; }
    .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; }
}