/* CSSVariantEngine v3.0 — hthdj-net.com.cn */
/* Palette: deep-purple-gold | Radius: medium | Shadow: glow */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"featured-top","features":"horizontal","hero":"centered","testimonials":"carousel","partners":"centered","faq":"with-sidebar","stats":"inline","cta":"split"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #3b0764;
    --color-accent: #eab308;
    --color-surface: #faf5ff;
    --color-text: #f1f5f9;
    --rgb-primary: 109,40,217;
    --rgb-accent: 234,179,8;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 0 8px rgba(var(--rgb-accent), 0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.2), 0 0 12px rgba(var(--rgb-accent), 0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px rgba(var(--rgb-accent), 0.5);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: #0f0f1a;
}

h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    color: var(--color-accent);
}

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: var(--color-surface);
    color: var(--color-primary-dark);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: var(--color-accent);
    color: #0f0f1a;
    border: none;
}

.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    box-shadow: 0 0 16px rgba(var(--rgb-accent), 0.5);
}

a:not([class]) {
    color: var(--color-accent);
    transition: var(--transition);
}

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

/* news: featured-top */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-gap);
}

.news-grid > *:first-child {
    grid-column: span 3;
}

/* features: horizontal */
.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: centered */
.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 0 0 12px rgba(var(--rgb-accent), 0.4);
    background: linear-gradient(135deg, rgba(var(--rgb-accent),0.1) 0%, rgba(var(--rgb-primary),0.1) 100%);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

/* testimonials: carousel */
.testimonial-list {
    display: flex;
    overflow: hidden;
}

.testimonial-list > * {
    flex: 0 0 100%;
}

/* partners: centered */
.partner-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

/* faq: with-sidebar */
.faq-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

/* stats: inline */
.stats-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

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

/* Page Layout: narrow-centered */
.page-main {
    max-width: 860px;
    margin: 0 auto;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: none;
    animation: glow-pulse 2s infinite alternate ease-in-out;
}

.card {
    border: 1px solid rgba(var(--rgb-accent), 0.15);
}

header, .header, .navbar {
    background: transparent;
}

@keyframes glow-pulse {
    0% {
        box-shadow: 0 0 24px rgba(var(--rgb-accent), 0.6), 0 8px 32px rgba(0,0,0,0.3);
    }
    100% {
        box-shadow: 0 0 40px rgba(var(--rgb-accent), 0.8), 0 8px 32px rgba(0,0,0,0.3);
    }
}

/* 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: 1.5rem; }
}

@media (max-width: 640px) {
    :root {
        --space-section: 2rem;
        --space-card: 1rem;
        --space-gap: 0.75rem;
    }
    .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; }
    .hero-content { padding: 1rem; }
    .page-main { padding: 1rem; }
}