/* CSSVariantEngine v3.0 — auth-kaiytiy.com */
/* Palette: violet-gold stage | Radius: soft | Shadow: layered-gradient */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"minimal","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #fbbf24;
    --color-surface: #0f0f1a;
    --color-text: #ede9fe;
    --rgb-primary: 124,58,237;
    --rgb-accent: 251,191,36;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(76,29,149,.35), 0 2px 8px rgba(124,58,237,.18);
    --shadow-md: 0 4px 12px rgba(76,29,149,.30), 0 12px 28px rgba(124,58,237,.22), 0 0 0 1px rgba(251,191,36,.06);
    --shadow-lg: 0 12px 32px rgba(76,29,149,.40), 0 28px 64px rgba(124,58,237,.28), 0 0 0 1px rgba(251,191,36,.08);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(ellipse at 50% 0%, #1a1030 0%, #0f0f1a 45%, #0a0a14 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(135deg, #ede9fe 0%, #c4b5fd 50%, #fbbf24 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(124,58,237,0.04) 0%, rgba(15,15,26,0) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, rgba(30,20,55,0.85) 0%, rgba(20,14,40,0.95) 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #fbbf24 100%); color: #0f0f1a; box-shadow: 0 4px 14px rgba(124,58,237,.4), 0 0 0 1px rgba(251,191,36,.2); }
a:not([class]) { color: var(--color-accent); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: minimal */
.hero { padding: 2rem 0; background: radial-gradient(ellipse at 50% 50%, rgba(124,58,237,0.18) 0%, rgba(15,15,26,0) 70%); } .hero-content { max-width: 560px; }

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

/* 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: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; background: linear-gradient(135deg, rgba(76,29,149,0.25) 0%, rgba(124,58,237,0.12) 50%, rgba(251,191,36,0.06) 100%); border-radius: var(--radius-xl); }

/* 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; }

/* 条件性装饰 */
a:not([class]):hover { color: #fde68a; text-shadow: 0 0 12px rgba(251,191,36,.6); }
.card { border-left: 3px solid transparent; border-image: linear-gradient(180deg, #7c3aed 0%, #fbbf24 100%) 1; }
header, .header, .navbar { box-shadow: 0 2px 12px rgba(76,29,149,.35), 0 1px 0 rgba(251,191,36,.15) inset; background: linear-gradient(180deg, rgba(20,14,40,0.98) 0%, rgba(15,15,26,0.92) 100%); }

/* 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; }
}