/* CSSVariantEngine v3.0 — app5-huatihuitiyu.com.cn */
/* Palette: stage-glow | Radius: soft | Shadow: glow */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"left-aligned","testimonials":"masonry","partners":"grid-4","faq":"two-column","stats":"grid-3","cta":"centered"} */

:root {
    --color-bg: #0f0f1a;
    --color-primary: #8b5cf6;
    --color-primary-dark: #5b21b6;
    --color-accent: #d4a83a;
    --color-surface: #fff8eb;
    --color-text: #241b12;
    --body-text-color: #ece5d8;
    --rgb-primary: 139,92,246;
    --rgb-accent: 212,168,58;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.35), 0 0 18px rgba(var(--rgb-accent),0.12);
    --shadow-md: 0 4px 18px rgba(0,0,0,0.35), 0 0 24px rgba(var(--rgb-accent),0.2);
    --shadow-lg: 0 8px 28px rgba(0,0,0,0.4), 0 0 32px rgba(var(--rgb-primary),0.24);
    --space-section: 3.5rem;
    --space-card: 1.15rem;
    --space-gap: 0.9rem;
    --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--body-text-color); line-height: var(--body-line-height); background-color: var(--color-bg); background-image: radial-gradient(circle at 50% 0%, rgba(var(--rgb-primary),0.16), transparent 62%); }
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: var(--color-surface);
    color: var(--color-text);
    outline: 1px solid rgba(var(--rgb-primary),0.16);
    outline-offset: -1px;
    animation: cardPulse 5s ease-in-out infinite;
}
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: 0 0 16px rgba(var(--rgb-accent),0.16); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 0 12px rgba(var(--rgb-primary),0.28); }

@keyframes cardPulse {
    0%, 100% { box-shadow: var(--shadow-md); }
    50% { box-shadow: 0 4px 18px rgba(0,0,0,0.35), 0 0 34px rgba(var(--rgb-accent),0.3); }
}

/* ========== 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; }

/* 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

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

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

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

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

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(var(--rgb-accent),0.08), transparent 70%); }

/* 条件性装饰 */
header, .header, .navbar { box-shadow: 0 2px 12px rgba(0,0,0,0.35), 0 0 24px rgba(var(--rgb-primary),0.14); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); background-color: rgba(15,15,26,0.4); }

/* 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: 0.95rem; --space-gap: 0.7rem; }
    .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; }
}