/* CSSVariantEngine v3.0 — first-qiususports.com.cn */
/* Palette: bold contrasting blocks | Radius: large rounded | Shadow: multi-layer soft */
/* Spacing: mixed tight-loose | Transition: smooth ease */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"minimal","testimonials":"masonry","partners":"centered","faq":"two-column","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #1d4ed8;
    --color-primary-dark: #1e3a8a;
    --color-accent: #f97316;
    --color-surface: #fef7ee;
    --color-text: #0f172a;
    --rgb-primary: 29, 78, 216;
    --rgb-accent: 249, 115, 22;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --shadow-sm: 0 4px 8px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 8px rgba(15, 23, 42, 0.05), 0 20px 40px -10px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 6px 12px rgba(15, 23, 42, 0.06), 0 24px 48px -12px rgba(15, 23, 42, 0.15);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.4s ease;
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: #f8fafc; }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); border-bottom: 2px solid #e2e8f0; }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); border: 1px solid #e2e8f0; background-color: #ffffff; }
.card:hover, [class*="card"]:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; border: 2px solid var(--color-primary); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background-color: var(--color-accent); border-color: var(--color-accent); color: white; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-underline-offset: 3px; }
a:not([class]):hover { color: var(--color-accent); }

/* ========== 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); }
.news-grid > *:nth-child(odd) { background-color: #eff6ff; border-color: #bfdbfe; }
.news-grid > *:nth-child(even) { background-color: #fff7ed; border-color: #fed7aa; }

/* 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: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; color: white; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); background-color: #f0f9ff; border-color: #bae6fd; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { background-color: #ecfdf5; border-color: #a7f3d0; border-radius: var(--radius-md); padding: 1rem; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list > * { background-color: #faf5ff; border-color: #e9d5ff; }

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; }
.stats-grid > * { background-color: #fff1f2; border-color: #fecdd3; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; padding: 3rem; border-radius: var(--radius-xl); background-color: #fef3c7; border: 2px solid #fcd34d; }

/* 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, #1d4ed8, #7c3aed); }

/* 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; }
}