/* CSSVariantEngine v3.0 — web-aoke-global.com.cn */
/* Palette: deep slate + electric blue | Radius: pillowy | Shadow: layered soft */
/* Spacing: airy | Transition: smooth-spring */

:root {
    --color-primary: #2f4156;
    --color-primary-dark: #16202e;
    --color-accent: #2563eb;
    --color-surface: #eef3f9;
    --color-text: #0b1220;
    --rgb-primary: 47,65,86;
    --rgb-accent: 37,99,235;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.05), 0 6px 16px -8px rgba(47,65,86,.18);
    --shadow-md: 0 4px 10px rgba(15,23,42,.05), 0 18px 38px -14px rgba(47,65,86,.22);
    --shadow-lg: 0 10px 24px rgba(15,23,42,.07), 0 34px 70px -20px rgba(30,41,59,.32);
    --space-section: 5.5rem;
    --space-card: 2.25rem;
    --space-gap: 1.75rem;
    --transition: 0.36s cubic-bezier(0.2, 0.72, 0.28, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
    accent-color: #2563eb;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background-color: #e7edf5;
    background-image:
        radial-gradient(ellipse at 15% -10%, rgba(37,99,235,.12), transparent 48%),
        linear-gradient(180deg, #eef3f9 0%, #e2e8f0 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
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-color: #ffffff;
    color: var(--color-text);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-color: #2563eb;
    color: #f8fafc;
    box-shadow: 0 1px 2px rgba(37,99,235,.20), 0 12px 28px -10px rgba(37,99,235,.55);
}
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: 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: 2.25rem; 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: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2.25rem; }

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

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

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type {
    background: linear-gradient(135deg, #16202e 0%, #2f4156 55%, #1d4ed8 145%);
    color: #f8fafc;
    text-shadow: 0 1px 0 rgba(255,255,255,.07), 0 16px 36px rgba(2,6,23,.30);
}

/* 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: 1.15rem; --space-gap: 0.85rem; }
    .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; }
}