:/* CSSVariantEngine v3.0 — cn-hans-hth.com */
/* Palette: ember-midnight | Radius: asymmetric | Shadow: glow */
/* Spacing: tight | Transition: quick */
/* Section layouts: {"news":"featured-left","features":"grid-4","hero":"overlay","testimonials":"stacked","partners":"grid-6","faq":"single-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #2d1b69;
    --color-primary-dark: #0a0514;
    --color-accent: #7c3aed;
    --color-surface: #f5f3ff;
    --color-text: #1e1b4b;
    --rgb-primary: 45,27,105;
    --rgb-accent: 124,58,237;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 0 12px rgba(124,58,237,0.15);
    --shadow-md: 0 0 24px rgba(124,58,237,0.25);
    --shadow-lg: 0 0 40px rgba(124,58,237,0.35);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #faf9ff; }
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-sm); padding: var(--space-card); transition: var(--transition); background: linear-gradient(145deg, #ffffff, #ede9fe); border: 1px solid rgba(124,58,237,0.15); }
.card:hover, [class*="card"]:hover { box-shadow: 0 0 32px rgba(124,58,237,0.35); transform: translateY(-2px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3aed, #4c1d95); color: #ffffff; border: none; box-shadow: 0 0 16px rgba(124,58,237,0.3); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 0 32px rgba(124,58,237,0.5); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(124,58,237,0.4); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
                .news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
                .news-grid > *:first-child { grid-row: span 2; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* 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: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* 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: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

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

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-decoration-color: rgba(124,58,237,0.8); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #1e1b4b 0%, #2d1b69 50%, #0a0514 100%); box-shadow: inset 0 0 60px rgba(124,58,237,0.2); }
.card { border: 1px solid rgba(124,58,237,0.2); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(30,27,75,0.9), rgba(10,5,20,0.7)); 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: 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; }
}