/* CSSVariantEngine v3.0 — zh-index-xingkong.com.cn */
/* Palette: indigo-cyan | Radius: compact | Shadow: layered */
/* Spacing: compact | Transition: crisp */
/* Section layouts: {"news":"list-view","features":"horizontal","hero":"left-aligned","testimonials":"masonry","partners":"centered","faq":"with-sidebar","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #06b6d4;
    --color-surface: #0f172a;
    --color-text: #dbeafe;
    --rgb-primary: 37,99,235;
    --rgb-accent: 6,182,212;
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 14px;
    --shadow-sm: 0 1px 0 rgba(255,255,255,.05) inset, 0 4px 12px rgba(2,6,23,.12);
    --shadow-md: 0 1px 0 rgba(255,255,255,.06) inset, 0 10px 22px rgba(2,6,23,.16), 0 2px 8px rgba(37,99,235,.08);
    --shadow-lg: 0 1px 0 rgba(255,255,255,.08) inset, 0 18px 36px rgba(2,6,23,.24), 0 10px 18px rgba(6,182,212,.1);
    --space-section: 4.5rem;
    --space-card: 1.75rem;
    --space-gap: 1.25rem;
    --transition: 0.16s cubic-bezier(0.2, 0.9, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #0b1120; background-image: radial-gradient(circle at 12% 0%, rgba(37,99,235,.16), transparent 30%), radial-gradient(circle at 88% 8%, rgba(6,182,212,.14), transparent 28%), linear-gradient(180deg, #0b1120 0%, #111827 100%); accent-color: var(--color-primary); caret-color: var(--color-primary); }
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-xl); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(180deg, rgba(248,250,252,.98) 0%, rgba(226,232,240,.94) 100%); color: #0f172a; border: 1px solid rgba(148,163,184,.28); backdrop-filter: blur(10px) saturate(120%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(180deg, rgba(37,99,235,.22) 0%, rgba(6,182,212,.14) 100%); color: #eef6ff; box-shadow: 0 8px 16px rgba(37,99,235,.2), 0 1px 0 rgba(255,255,255,.12) inset; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(37,99,235,.55); }

/* ========== 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: horizontal */
/* 水平滚动 */
                .feature-list { display: flex; gap: var(--space-gap); overflow-x: auto; scroll-snap-type: x mandatory; }
                .feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

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

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* 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; }

/* 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 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card { border: 1px solid rgba(var(--rgb-primary), .16); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(15,23,42,.94), rgba(15,23,42,.78)); box-shadow: 0 1px 0 rgba(255,255,255,.05) inset, 0 14px 30px rgba(2,6,23,.22); backdrop-filter: blur(14px) saturate(140%); }

/* 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: 1.75rem; --space-card: 0.9rem; --space-gap: 0.65rem; }
    .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; }
}