/* CSSVariantEngine v3.0 — 51jihuawang.org.cn */
/* Palette: violet-cyan-amber | Radius: soft-round | Shadow: layered */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"split","testimonials":"carousel","partners":"centered","faq":"single-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #06b6d4;
    --color-surface: #f5f3ff;
    --color-text: #1e1b2e;
    --rgb-primary: 124,58,237;
    --rgb-accent: 6,182,212;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 1px 2px rgba(76,29,149,.10);
    --shadow-md: 0 6px 18px -6px rgba(76,29,149,.30), 0 2px 5px rgba(6,182,212,.14);
    --shadow-lg: 0 24px 50px -16px rgba(76,29,149,.46), 0 10px 24px -10px rgba(6,182,212,.34), 0 0 0 1px rgba(124,58,237,.10);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.45s cubic-bezier(0.22, 0.68, 0.35, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background-color: #f7f5ff;
    background-image:
        radial-gradient(880px 520px at 12% -8%, rgba(124,58,237,.16), transparent 62%),
        radial-gradient(760px 460px at 92% 4%, rgba(6,182,212,.14), transparent 60%),
        radial-gradient(620px 420px at 50% 108%, rgba(245,158,11,.10), transparent 64%);
    background-attachment: fixed;
    caret-color: var(--color-primary);
    accent-color: #7c3aed;
}
h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    background-image: linear-gradient(120deg, #4c1d95 0%, #7c3aed 48%, #0891b2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
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-image: linear-gradient(158deg, #ffffff 0%, #f5f3ff 52%, #ecfeff 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-image: linear-gradient(135deg, #7c3aed 0%, #6d28d9 46%, #0891b2 100%);
    color: #f5f3ff;
    box-shadow: 0 6px 16px -6px rgba(124,58,237,.55), inset 0 1px 0 rgba(255,255,255,.22);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(6,182,212,.65);
}

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

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: carousel */
/* 单条轮播 */
                .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: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: inline */
/* 水平排列 */
                .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 */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background-image: linear-gradient(158deg, #ffffff 0%, #faf5ff 40%, #cffafe 100%);
}
.hero, [class*="hero"], section:first-of-type {
    background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 34%, #0891b2 68%, #06b6d4 100%);
    box-shadow: inset 0 -1px 0 rgba(255,255,255,.14), 0 18px 44px -22px rgba(76,29,149,.55);
}
.card {
    border: 1px solid rgba(var(--rgb-primary), .16);
    border-bottom-color: rgba(var(--rgb-accent), .28);
}

/* 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; }
}