/* CSSVariantEngine v3.0 — cn-williamhillyule.com */
/* Palette: aurora-mosaic | Radius: airy | Shadow: pillowy */
/* Spacing: airy-rhythm | Transition: bouncy */
/* Section layouts: {"news":"masonry-2","features":"grid-3","hero":"minimal","testimonials":"stacked","partners":"scroll","faq":"single-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #6d4aff;
    --color-primary-dark: #4a2fc7;
    --color-accent: #00d4b8;
    --color-surface: #f7f5ff;
    --color-text: #1e1b3a;
    --rgb-primary: 109,74,255;
    --rgb-accent: 0,212,184;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 6px rgba(109,74,255,.06), 0 1px 3px rgba(0,212,184,.04);
    --shadow-md: 0 8px 24px rgba(109,74,255,.10), 0 3px 10px rgba(0,212,184,.06);
    --shadow-lg: 0 20px 48px rgba(109,74,255,.16), 0 8px 20px rgba(0,212,184,.10), 0 2px 6px rgba(30,27,58,.05);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.75rem;
    --transition: 0.55s cubic-bezier(0.22, 1.4, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #f7f5ff 0%, #eef0ff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #1e1b3a; }
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: #ffffff; border: 1px solid rgba(109,74,255,.08); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #6d4aff 0%, #00d4b8 100%); color: #ffffff; border-color: transparent; box-shadow: 0 6px 18px rgba(109,74,255,.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); background: linear-gradient(160deg, #ffffff 0%, #f3f0ff 100%); }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list .card:nth-child(3n+1) { background: linear-gradient(160deg, #ffffff 0%, #f0f4ff 100%); border-color: rgba(109,74,255,.12); }
.feature-list .card:nth-child(3n+2) { background: linear-gradient(160deg, #ffffff 0%, #e8fbf7 100%); border-color: rgba(0,212,184,.14); }
.feature-list .card:nth-child(3n+3) { background: linear-gradient(160deg, #ffffff 0%, #fff2ec 100%); border-color: rgba(255,138,102,.16); }

/* hero: minimal */
.hero { padding: 2rem 0; background: radial-gradient(ellipse at top left, rgba(109,74,255,.08) 0%, transparent 60%), radial-gradient(ellipse at bottom right, rgba(0,212,184,.08) 0%, transparent 55%); } .hero-content { max-width: 560px; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
                .testimonial-list .card { background: linear-gradient(135deg, #ffffff 0%, #f5f2ff 100%); box-shadow: var(--shadow-md); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card { background: linear-gradient(180deg, #ffffff 0%, #f8f6ff 100%); border-color: rgba(109,74,255,.10); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { background: linear-gradient(160deg, #6d4aff 0%, #4a2fc7 100%); color: #ffffff; border-color: transparent; box-shadow: 0 12px 32px rgba(109,74,255,.28); }
.stats-grid .card:nth-child(even) { background: linear-gradient(160deg, #00d4b8 0%, #00a894 100%); box-shadow: 0 12px 32px rgba(0,212,184,.26); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(120deg, rgba(109,74,255,.06) 0%, rgba(0,212,184,.06) 100%); border-radius: var(--radius-xl); padding: 2rem; }

/* 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: var(--shadow-lg); }
header, .header, .navbar { box-shadow: 0 4px 20px rgba(109,74,255,.10), 0 1px 4px rgba(0,212,184,.06); background: rgba(255,255,255,.85); backdrop-filter: blur(12px); }

/* 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; }
}