/* CSSVariantEngine v3.0 — tengxundianjing.org.cn */
/* Palette: editorial-magazine | Radius: medium | Shadow: glow-accent */
/* Spacing: generous | Transition: smooth-glow */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"left-aligned","testimonials":"stacked","partners":"grid-6","faq":"two-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #c44536;
    --color-primary-dark: #9a2f22;
    --color-accent: #f7e0dd;
    --color-surface: #f5f1e8;
    --color-text: #1a1a1a;
    --rgb-primary: 196,69,54;
    --rgb-accent: 247,224,221;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 16px;
    --shadow-sm: 0 0 12px 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: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 600;
    --body-line-height: 1.65;
}

@keyframes subtleGlowPulse {
    0% { box-shadow: 0 0 20px rgba(var(--rgb-primary), 0.3); }
    50% { box-shadow: 0 0 28px rgba(var(--rgb-primary), 0.5); }
    100% { box-shadow: 0 0 20px rgba(var(--rgb-primary), 0.3); }
}

/* 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"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.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: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

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

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

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

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

/* 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: wide-centered */
/* 宽版居中 */
            .page-main { max-width: 1320px; margin: 0 auto; padding: 0 60px; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); animation: subtleGlowPulse 2.5s infinite ease-in-out; }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #c44536, #7a251c); }
.card { border-left: 3px solid var(--color-primary); }
.btn:focus, a:focus { outline: 2px solid var(--color-primary); outline-offset: 3px; }

/* 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; }
    .page-main { padding: 0 40px; }
}
@media (max-width: 640px) {
    :root { --space-section: 2.25rem; --space-card: 1.1rem; --space-gap: 0.9rem; }
    .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: 0 20px; }
}