/* CSSVariantEngine v3.0 — zh-fengyuntiyu.com.cn */
/* Palette: editorial-cream | Radius: medium-rounded | Shadow: glow-accent */
/* Spacing: generous | Transition: smooth-glow */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"left-aligned","testimonials":"carousel","partners":"grid-6","faq":"single-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #8b2d21;
    --color-accent: #f2c4bc;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196, 69, 54;
    --rgb-accent: 242, 196, 188;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 0 8px rgba(var(--rgb-primary), 0.15), 0 2px 4px rgba(26,26,26,0.05);
    --shadow-md: 0 0 24px rgba(var(--rgb-primary), 0.4), 0 3px 6px rgba(26,26,26,0.08);
    --shadow-lg: 0 0 32px rgba(var(--rgb-primary), 0.6), 0 5px 12px rgba(26,26,26,0.1);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 16px 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); accent-color: var(--color-primary); caret-color: var(--color-primary); }
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; border: 1px solid rgba(var(--rgb-primary), 0.1); }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #fff; border: none; animation: pulse-glow 3s ease-in-out infinite alternate; }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: var(--shadow-lg); background-color: var(--color-primary-dark); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration: none; border-bottom: 1px solid transparent; }

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

/* news: grid-3 */
/* 三列等宽网格 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

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

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

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* 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; color: var(--color-primary); text-shadow: 0 0 12px rgba(var(--rgb-primary), 0.3); }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1320px; margin: 0 auto; padding-left: 60px; padding-right: 60px; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-primary-dark); border-bottom-color: var(--color-primary); text-shadow: 0 0 8px rgba(var(--rgb-primary), 0.25); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #c44536, #7a261d); color: #fff; }

/* 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: 2.5rem; --space-card: 1.25rem; --space-gap: 1rem; }
    .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; }
    .page-main { padding-left: 24px; padding-right: 24px; }
}