/* CSSVariantEngine v3.0 — zh-lejing-qq.com.cn */
/* Palette: violet-magenta | Radius: rounded | Shadow: colored */
/* Spacing: balanced | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"grid-4","hero":"overlay","testimonials":"masonry","partners":"grid-4","faq":"with-sidebar","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #7c3aed;
    --color-primary-dark: #4c1d95;
    --color-accent: #ec4899;
    --color-surface: #faf5ff;
    --color-text: #2e1065;
    --rgb-primary: 124,58,237;
    --rgb-accent: 236,72,153;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(var(--rgb-primary),.10), 0 2px 10px rgba(var(--rgb-accent),.06);
    --shadow-md: 0 3px 10px rgba(var(--rgb-primary),.12), 0 8px 24px rgba(var(--rgb-accent),.08);
    --shadow-lg: 0 6px 20px rgba(var(--rgb-primary),.14), 0 16px 44px rgba(var(--rgb-accent),.10);
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 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: linear-gradient(180deg, #faf5ff 0%, #fdf2f8 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: linear-gradient(145deg, #ffffff 0%, #faf5ff 60%, #fdf2f8 100%); border: 1px solid rgba(var(--rgb-primary),.10); }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); border-color: rgba(var(--rgb-accent),.30); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #ec4899 100%); color: #ffffff; box-shadow: 0 2px 8px rgba(var(--rgb-primary),.25); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: 0 6px 20px rgba(var(--rgb-accent),.35); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }
a:not([class]):hover { color: var(--color-accent); }

/* ========== 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; background: linear-gradient(160deg, #f3e8ff 0%, #fce7f3 100%); }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }
.feature-list > *:nth-child(4n+1) { background: linear-gradient(145deg, #ede9fe 0%, #ddd6fe 100%); }
.feature-list > *:nth-child(4n+2) { background: linear-gradient(145deg, #fce7f3 0%, #fbcfe8 100%); }
.feature-list > *:nth-child(4n+3) { background: linear-gradient(145deg, #fae8ff 0%, #f5d0fe 100%); }
.feature-list > *:nth-child(4n+4) { background: linear-gradient(145deg, #e0e7ff 0%, #c7d2fe 100%); }

/* 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: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }
.partner-grid > * { background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%); border-radius: var(--radius-md); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* 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: linear-gradient(135deg, #7c3aed, #ec4899); -webkit-background-clip: text; background-clip: text; }

/* 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 */
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 40%, #a855f7 70%, #ec4899 100%); }
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; }
}