/* CSSVariantEngine v3.0 — sh-starfishsports.com.cn */
/* Palette: bright indigo + accent yellow | Radius: sharp 0-4px | Shadow: hard offset */
/* Spacing: medium 20px gap | Transition: snappy 0.15s */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"minimal","testimonials":"masonry","partners":"grid-4","faq":"single-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #facc15;
    --color-surface: #f9fafb;
    --color-text: #111827;
    --rgb-primary: 37, 99, 235;
    --rgb-accent: 250, 204, 21;
    --radius-sm: 2px;
    --radius-md: 3px;
    --radius-lg: 4px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0px #d1d5db;
    --shadow-md: 4px 4px 0px #9ca3af;
    --shadow-lg: 6px 6px 0px #6b7280;
    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1.25rem;
    --transition: 0.15s ease-out;
    --heading-weight: 700;
    --body-line-height: 1.65;
}

/* 基础覆盖 */
body { 
    background-color: #f3f4f6;
    color: var(--color-text); 
    line-height: var(--body-line-height); 
}
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-color: #ffffff;
    border: 2px solid var(--color-text);
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition);
}
.card:hover, [class*="card"]:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px #4b5563;
}
.btn, button[class*="btn"], a[class*="btn"] { 
    background-color: #ffffff;
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
    color: var(--color-primary);
    border-radius: var(--radius-md); 
    transition: var(--transition); 
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0px var(--color-primary-dark);
}
a:not([class]) { 
    color: var(--color-primary); 
    transition: var(--transition); 
}

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); border-left: 4px solid var(--color-primary); }

/* 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 { border-top: 4px solid var(--color-accent); }

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

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
.testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); border-right: 4px solid #10b981; }

/* 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 .card { border-bottom: 3px solid #ef4444; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list .card { border-left: 4px solid var(--color-accent); }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { border-top: 3px solid var(--color-primary); }

/* cta: card-style */
.cta-inner { 
    background: #ffffff; 
    border: 3px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-xl); 
    padding: 3rem; 
    text-align: center; 
}

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-primary-dark); }

/* 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; }
}