/* CSSVariantEngine v3.0 — sh-pgemulator.com.cn */
/* Palette: burnt-orange | Radius: sharp | Shadow: hard-offset */
/* Spacing: strip-wide | Transition: snappy */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"left-aligned","testimonials":"grid-3","partners":"grid-6","faq":"single-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #c2410c;
    --color-primary-dark: #7c2d12;
    --color-accent: #f97316;
    --color-surface: #fffbeb;
    --color-text: #111827;
    --rgb-primary: 194, 65, 12;
    --rgb-accent: 249, 115, 22;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px rgba(0,0,0,0.15);
    --shadow-md: 4px 4px 0px var(--color-primary);
    --shadow-lg: 6px 6px 0px var(--color-accent);
    --space-section: 4rem;
    --space-card: 1.3rem;
    --space-gap: 1.1rem;
    --transition: 0.15s ease-out;
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #ffffff; }
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); border: 3px solid #111827; background: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); border: 2px solid var(--color-primary); background: var(--color-surface); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; background: var(--color-surface); }

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

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

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

/* 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: 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: #1f2937; color: #ffffff; border-radius: var(--radius-xl); padding: 3rem; text-align: center; border: 3px solid var(--color-accent); box-shadow: var(--shadow-lg); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateX(-3px) translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(180deg, #111827, #374151); }
section:nth-of-type(even) { background: var(--color-surface); }
section:nth-of-type(odd):not(:first-of-type) { background: #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: 2.2rem; --space-card: 1rem; --space-gap: 0.8rem; }
    .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; }
}