/* CSSVariantEngine v3.0 — ch-hth-zh.com.cn */
/* Palette: sunset | Radius: rounded | Shadow: warm layered */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"grid-3","hero":"overlay","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #c2410c;
    --color-primary-dark: #9a3412;
    --color-accent: #db2777;
    --color-surface: #fff7ed;
    --color-text: #431407;
    --rgb-primary: 194,65,12;
    --rgb-accent: 219,39,119;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 4px rgba(194,65,12,.10), 0 1px 2px rgba(194,65,12,.08);
    --shadow-md: 0 8px 16px -4px rgba(194,65,12,.14), 0 4px 8px -4px rgba(194,65,12,.10), 0 2px 4px rgba(219,39,119,.06);
    --shadow-lg: 0 20px 32px -8px rgba(194,65,12,.20), 0 10px 16px -6px rgba(194,65,12,.14), 0 4px 8px rgba(219,39,119,.08);
    --space-section: 2.25rem;
    --space-card: 1rem;
    --space-gap: 0.875rem;
    --transition: 0.55s cubic-bezier(0.165, 0.84, 0.44, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
    accent-color: var(--color-primary);
    caret-color: var(--color-primary);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fffaf0 0%, #fff7ed 100%); }
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: linear-gradient(145deg, #ffffff 0%, #fff7ed 45%, #ffedd5 100%); }
.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-top */
/* 首篇横跨全宽 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.news-grid > *:first-child { grid-column: span 3; }

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

/* 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: 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; }

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

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.stats-grid .stat-value { font-size: 3rem; text-shadow: 0 2px 14px rgba(194,65,12,.25); }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #c2410c 0%, #db2777 50%, #be185d 100%); color: #fff7ed; padding: 4rem 2rem; }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #9a3412 0%, #c2410c 28%, #ea580c 56%, #f97316 78%, #db2777 100%); }
.card { border-left: 3px solid transparent; border-image: linear-gradient(180deg, #c2410c 0%, #db2777 100%) 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: 0.875rem; --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; }
}