/* CSSVariantEngine v3.0 — kaiyun-page-zhcn.com.cn */
/* Palette: iris-glow | Radius: soft-round | Shadow: halo */
/* Spacing: masonry-balanced | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"overlay","testimonials":"masonry","partners":"scroll","faq":"two-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #f59e0b;
    --color-surface: #f3e8ff;
    --color-canvas: #f4f2f7;
    --color-card: #ffffff;
    --color-text: #2d2454;
    --rgb-primary: 124,58,237;
    --rgb-accent: 245,158,11;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 4px rgba(45,36,84,.06), 0 0 12px rgba(var(--rgb-accent),.18);
    --shadow-md: 0 6px 22px rgba(45,36,84,.08), 0 0 24px rgba(var(--rgb-accent),.4);
    --shadow-lg: 0 14px 42px rgba(45,36,84,.14), 0 0 32px rgba(var(--rgb-accent),.6);
    --space-section: 3.25rem;
    --space-card: 1.375rem;
    --space-gap: 1.125rem;
    --transition: 0.3s cubic-bezier(.22,1,.36,1);
    --heading-weight: 700;
    --body-line-height: 1.7;
    caret-color: var(--color-accent);
    accent-color: var(--color-primary);
}

/* 基础覆盖 */
body { background-color: var(--color-canvas); color: var(--color-text); line-height: var(--body-line-height); }
h1, h2, h3, h4 { color: var(--color-primary-dark); font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { background-color: var(--color-card); border-radius: var(--radius-lg); box-shadow: inset 0 4px 0 0 rgba(var(--rgb-accent),.85), var(--shadow-md); padding: var(--space-card); transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); box-shadow: 0 4px 16px rgba(var(--rgb-primary),.18); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: horizontal */
/* 水平滚动 */
                .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: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2.25rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: inline */
/* 水平排列 */
                .stats-grid { display: flex; justify-content: center; gap: 3.25rem; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, rgba(var(--rgb-primary),.1), rgba(var(--rgb-accent),.12)), var(--color-surface); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); padding: 3rem; text-align: center; }

/* 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: inset 0 4px 0 0 var(--color-accent), var(--shadow-lg); }
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: 2.25rem; --space-card: 1.125rem; --space-gap: 0.875rem; }
    .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; }
}