/* CSSVariantEngine v3.0 — int-heibaizhibo.tj.cn */
/* Palette: orchid-indigo | Radius: generous | Shadow: layered-gradient */
/* Spacing: comfortable | Transition: smooth-glide */
/* Section layouts: {"news":"grid-4","features":"horizontal","hero":"split","testimonials":"grid-3","partners":"grid-6","faq":"single-column","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #06b6d4;
    --color-surface: #f5f3ff;
    --color-text: #1e1b4b;
    --rgb-primary: 124,58,237;
    --rgb-accent: 6,182,212;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --shadow-sm: 0 1px 2px rgba(76,29,149,0.12), 0 0 0 1px rgba(6,182,212,0.08);
    --shadow-md: 0 10px 24px -10px rgba(76,29,149,0.38), 0 3px 8px -2px rgba(6,182,212,0.18);
    --shadow-lg: 0 28px 56px -20px rgba(76,29,149,0.48), 0 10px 22px -8px rgba(6,182,212,0.26);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
    --grad-primary: linear-gradient(135deg, #7c3aed 0%, #4c1d95 52%, #06b6d4 100%);
    --grad-surface: linear-gradient(158deg, #ffffff 0%, #f5f3ff 42%, #ecfeff 100%);
    --grad-accent: linear-gradient(96deg, #06b6d4 0%, #7c3aed 58%, #4c1d95 100%);
    --grad-border: linear-gradient(135deg, #7c3aed 0%, #06b6d4 50%, #4c1d95 100%);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 46%, #eef2ff 100%); caret-color: var(--color-primary); accent-color: #7c3aed; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-image: radial-gradient(circle at 12% 0%, rgba(6,182,212,0.07) 0%, rgba(6,182,212,0) 55%), linear-gradient(180deg, rgba(245,243,255,0.7) 0%, rgba(255,255,255,0) 40%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-image: var(--grad-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-image: var(--grad-accent); color: #ffffff; box-shadow: 0 12px 26px -12px rgba(76,29,149,0.55), inset 0 0 0 1px rgba(255,255,255,0.18); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-4 */
/* 四列紧凑网格 */
                .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 0.8); }

/* 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; border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); background-image: var(--grad-surface); }

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

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

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; background-image: var(--grad-accent); -webkit-background-clip: text; background-clip: text; color: #4c1d95; -webkit-text-fill-color: transparent; text-shadow: 0 10px 26px rgba(6,182,212,0.28); }

/* cta: full-bg */
.cta-section { background: linear-gradient(126deg, #4c1d95 0%, #7c3aed 42%, #06b6d4 118%); color: #f5f3ff; padding: 4rem 2rem; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
            .page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #7c3aed 0%, #4c1d95 48%, #06b6d4 145%); }
.card { border-left: 3px solid #06b6d4; }

/* 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; }
}