/* CSSVariantEngine v3.0 — direct-lejingsports.com.cn */
/* Palette: electric-blue + lime-accent | Radius: sharp 0-4px | Shadow: hard offset */
/* Spacing: asymmetric mixed gaps | Transition: snappy 0.15s */
/* Section layouts: {"news":"list-view","features":"centered","hero":"minimal","testimonials":"stacked","partners":"centered","faq":"with-sidebar","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #165DFF;
    --color-primary-dark: #0C3483;
    --color-accent: #FFDD00;
    --color-surface: #F8FAFC;
    --color-text: #020617;
    --rgb-primary: 22,93,255;
    --rgb-accent: 255,221,0;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 3px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px #020617;
    --shadow-md: 4px 4px 0px #020617;
    --shadow-lg: 6px 6px 0px #020617;
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 0.15s ease-out;
    --heading-weight: 800;
    --body-line-height: 1.65;
    --border-thick: 3px solid var(--color-text);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); accent-color: var(--color-primary); caret-color: var(--color-primary-dark); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 1px 1px 0px var(--color-accent); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); border-bottom: 2px solid var(--color-primary-dark); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); border: var(--border-thick); background-color: #FFFFFF; }
.card:hover, [class*="card"]:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0px var(--color-text); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); border: 3px solid var(--color-text); background-color: var(--color-accent); color: var(--color-text); font-weight: 700; box-shadow: var(--shadow-sm); }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { box-shadow: var(--shadow-md); transform: translate(-2px, -2px); }
a:not([class]) { color: var(--color-primary-dark); transition: var(--transition); text-decoration-thickness: 2px; text-underline-offset: 3px; }

/* ========== 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; background-color: #E8F3FF; }

/* 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; }
.feature-list .card { background-color: #FFFBEB; }

/* hero: minimal */
.hero { padding: 2rem 0; background: linear-gradient(135deg, #165DFF 0%, #0C3483 100%); color: white; }
.hero-content { max-width: 560px; text-shadow: none; }

/* testimonials: stacked */
/* 垂直堆叠 */
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
.testimonial-list .card { background-color: #F0FDF4; border-color: #15803D; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { border: 2px solid var(--color-primary-dark); padding: 1rem; background: white; box-shadow: 3px 3px 0px var(--color-primary-dark); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.faq-wrapper .card { background-color: #FEF2F2; border-color: #B91C1C; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { background-color: #FAF5FF; border-color: #7C3AED; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: var(--color-primary); color: white; padding: 2.5rem; border: 3px solid var(--color-text); box-shadow: var(--shadow-lg); }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-primary); background-color: var(--color-accent); padding-inline: 2px; }
header, .header, .navbar { background: var(--color-primary-dark); border-bottom: 3px solid var(--color-accent); backdrop-filter: saturate(1.5) blur(4px); }

/* 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; }
}