/* CSSVariantEngine v3.0 — pc10-kaiyuangames.com.cn */
/* Palette: indigo-cyan | Radius: soft | Shadow: layered */
/* Spacing: tight | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"centered","hero":"minimal","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #4338ca;
    --color-primary-dark: #312e81;
    --color-accent: #06b6d4;
    --color-surface: #f8fafc;
    --color-text: #0f172a;
    --rgb-primary: 67,56,202;
    --rgb-accent: 6,182,212;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 4px rgba(67,56,202,.10);
    --shadow-md: 0 6px 14px -6px rgba(67,56,202,.18), 0 2px 6px -2px rgba(15,23,42,.08);
    --shadow-lg: 0 18px 30px -12px rgba(67,56,202,.28), 0 8px 16px -8px rgba(6,182,212,.18);
    --space-section: 2.2rem;
    --space-card: 1.15rem;
    --space-gap: 0.9rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 45%, #ecfeff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(67,56,202,0.03) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #eef2ff 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: #ffffff; border-color: transparent; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-accent), 0.4); }

/* ========== 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: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* hero: minimal */
.hero { padding: 2rem 0; } .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; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

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

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2.25rem; }
                .stats-grid .stat-value { font-size: 3rem; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* 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: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #312e81 0%, #4338ca 25%, #6d28d9 55%, #0e7490 100%); }
.card { border: 1px solid transparent; background: linear-gradient(var(--color-surface), var(--color-surface)) padding-box, linear-gradient(135deg, rgba(67,56,202,.3) 0%, rgba(6,182,212,.3) 100%) border-box; }
header, .header, .navbar { box-shadow: 0 4px 12px -4px rgba(67,56,202,.12), 0 2px 4px -2px rgba(15,23,42,.08); background: linear-gradient(90deg, rgba(248,250,252,.96) 0%, rgba(238,242,255,.96) 50%, rgba(236,254,255,.96) 100%); 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: 2.2rem; --space-card: 1.15rem; --space-gap: 0.9rem; }
    .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; }
}