/* CSSVariantEngine v3.0 — hth-zh9.com.cn */
/* Palette: midnight-stage | Radius: airy | Shadow: soft glow */
/* Spacing: comfortable | Transition: flowing */
/* Section layouts: {"news":"grid-3","features":"centered","hero":"split","testimonials":"masonry","partners":"grid-6","faq":"two-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #6d3bd4;
    --color-primary-dark: #5028a8;
    --color-accent: #e8bc61;
    --color-surface: #f4edfb;
    --color-text: #241c3a;
    --color-stage: #0f0f1a;
    --color-text-onstage: #e9e0f8;
    --rgb-primary: 109,59,212;
    --rgb-accent: 232,188,97;
    --radius-sm: 16px;
    --radius-md: 20px;
    --radius-lg: 24px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(4,3,10,.25), 0 1px 2px rgba(4,3,10,.18);
    --shadow-md: 0 6px 18px rgba(4,3,10,.16), 0 24px 44px -18px rgba(83,52,166,.30), inset 0 1px 0 rgba(255,255,255,.70);
    --shadow-lg: 0 10px 26px rgba(4,3,10,.14), 0 36px 72px -26px rgba(83,52,166,.40), inset 0 1px 0 rgba(255,255,255,.55);
    --space-section: 4.75rem;
    --space-card: 1.75rem;
    --space-gap: 1.5rem;
    --transition: 0.35s cubic-bezier(.22,1,.36,1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body {
    background:
        radial-gradient(1100px 780px at 50% -14%, rgba(109,59,212,.22), transparent 64%),
        radial-gradient(760px 420px at 88% 114%, rgba(232,188,97,.12), transparent 62%),
        var(--color-stage);
    color: var(--color-text-onstage);
    line-height: var(--body-line-height);
    accent-color: var(--color-accent);
    caret-color: #e8bc61;
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] {
    background: linear-gradient(145deg, #fdfaf3 0%, var(--color-surface) 58%, #e7dcf6 100%);
    color: var(--color-text);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,.85);
    padding: var(--space-card);
    transition: var(--transition);
}
.btn, button[class*="btn"], a[class*="btn"] {
    background: linear-gradient(145deg, #8d63ec 0%, var(--color-primary) 55%, #5227b8 100%);
    color: #fdf8ff;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 2px rgba(4,3,10,.35), 0 12px 26px -12px rgba(76,32,176,.60), inset 0 1px 0 rgba(255,255,255,.30);
    transition: var(--transition);
}
a:not([class]) { color: #9177ed; transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* 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: 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: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); 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: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* 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); }
header, .header, .navbar { background: transparent; }

/* 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; }
}