/* CSSVariantEngine v3.0 — hth-play4.com.cn */
/* Palette: violet-amber | Radius: rounded | Shadow: layered */
/* Spacing: balanced | Transition: long-ease */
/* Section layouts: {"news":"masonry-2","features":"grid-4","hero":"minimal","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #2e1065;
    --color-accent: #f59e0b;
    --color-surface: #faf5ff;
    --color-text: #1e1b4b;
    --rgb-primary: 124,58,237;
    --rgb-accent: 245,158,11;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(30,27,75,.08);
    --shadow-md: 0 2px 8px rgba(30,27,75,.06), 0 12px 32px -12px rgba(124,58,237,.18);
    --shadow-lg: 0 8px 24px rgba(30,27,75,.10), 0 24px 48px -16px rgba(124,58,237,.28);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(1200px 600px at 85% -10%, rgba(245,158,11,.12), transparent 60%), linear-gradient(180deg, #fdfbff 0%, var(--color-surface) 100%); accent-color: var(--color-accent); caret-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(30,27,75,.06); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: 0 0 0 1px rgba(124,58,237,.14), var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(160deg, #ffffff 0%, var(--color-surface) 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, var(--color-primary) 0%, #4c1d95 100%);
    color: #fdfbff;
    box-shadow: 0 4px 12px rgba(124,58,237,.28);
}
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

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

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

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

/* cta: full-bg */
.cta-section { background: linear-gradient(120deg, var(--color-primary) 0%, #4c1d95 45%, var(--color-primary-dark) 100%); color: #fdfbff; padding: 4rem 2rem; box-shadow: inset 0 1px 0 rgba(255,255,255,.12), inset 0 -1px 0 rgba(0,0,0,.12), 0 24px 48px -24px rgba(46,16,101,.5); }

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px rgba(245,158,11,.35), var(--shadow-lg); }
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(900px 450px at 15% 15%, rgba(245,158,11,.20), transparent 55%), linear-gradient(135deg, var(--color-primary) 0%, #4c1d95 45%, var(--color-primary-dark) 100%); box-shadow: inset 0 -1px 0 rgba(0,0,0,.15); }
header, .header, .navbar { background: transparent; }

/* 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: 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; }
}