/* CSSVariantEngine v3.0 — app-bandao-yl.cn */
/* Palette: indigo-rose | Radius: soft-rounded | Shadow: layered-gradient */
/* Spacing: tight | Transition: smooth-long */
/* Section layouts: {"news":"masonry-2","features":"grid-2","hero":"split","testimonials":"masonry","partners":"scroll","faq":"with-sidebar","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4338ca;
    --color-accent: #f472b6;
    --color-surface: #f5f3ff;
    --color-text: #312e81;
    --rgb-primary: 99,102,241;
    --rgb-accent: 244,114,182;
    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 36px;
    --shadow-sm: 0 1px 3px rgba(67,56,202,.14), 0 2px 6px rgba(244,114,182,.08);
    --shadow-md: 0 4px 12px rgba(67,56,202,.12), 0 8px 24px rgba(244,114,182,.10);
    --shadow-lg: 0 10px 28px rgba(67,56,202,.14), 0 18px 48px rgba(244,114,182,.12);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 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: linear-gradient(180deg, #f5f3ff 0%, #fdf2f8 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(135deg, #4338ca 0%, #6366f1 50%, #f472b6 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); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(160deg, #ffffff 0%, #faf5ff 55%, #fdf2f8 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #f472b6 100%); color: #fff; border-color: transparent; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 2px rgba(244,114,182,.18); }

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

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

/* 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: 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; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, #4338ca 0%, #6366f1 40%, #a855f7 70%, #f472b6 100%); color: #fff; padding: 4rem 2rem; box-shadow: inset 0 0 120px rgba(244,114,182,.25); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card { border: 1px solid rgba(99,102,241,.14); border-image: linear-gradient(135deg, rgba(99,102,241,.35), rgba(244,114,182,.35)) 1; }
header, .header, .navbar { background: linear-gradient(180deg, rgba(255,255,255,.85) 0%, rgba(245,243,255,.6) 100%); backdrop-filter: blur(10px) saturate(1.2); -webkit-backdrop-filter: blur(10px) saturate(1.2); }

/* 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; }
}