/* CSSVariantEngine v3.0 — dianjingtouzhupingtai.org.cn */
/* Palette: editorial-red | Radius: medium-glow | Shadow: accent-halo */
/* Spacing: generous-editorial | Transition: smooth-glow */
/* Section layouts: {"news":"featured-left","features":"grid-4","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"grid-4","cta":"split"} */

@keyframes subtle-pulse {
    0% { box-shadow: 0 0 14px rgba(196, 69, 54, 0.25); }
    100% { box-shadow: 0 0 24px rgba(196, 69, 54, 0.4); }
}

:root {
    --color-primary: #c44536;
    --color-primary-dark: #9a3327;
    --color-accent: #e06b5c;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196, 69, 54;
    --rgb-accent: 224, 107, 92;
    --radius-sm: 7px;
    --radius-md: 11px;
    --radius-lg: 15px;
    --radius-xl: 19px;
    --shadow-sm: 0 0 14px rgba(196, 69, 54, 0.2);
    --shadow-md: 0 0 26px rgba(196, 69, 54, 0.4);
    --shadow-lg: 0 0 38px rgba(196, 69, 54, 0.6);
    --space-section: 4.25rem;
    --space-card: 1.4rem;
    --space-gap: 1.1rem;
    --transition: 0.65s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); 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-sm); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); animation: subtle-pulse 4s ease-in-out infinite alternate; border-style: solid; border-color: var(--color-primary); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 2px rgba(196,69,54,0.15); }

/* ========== 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-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

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

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

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

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #c44536, #7a241a); }
.card { border: 1px solid rgba(var(--rgb-primary), .1); accent-color: var(--color-primary); }

/* 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: 2.4rem; --space-card: 1.1rem; --space-gap: 0.85rem; }
    .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; }
}