/* CSSVariantEngine v3.0 — birdsports-yl.com */
/* Palette: ember-cream | Radius: soft-rounded | Shadow: layered-glow */
/* Spacing: comfortable | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"minimal","testimonials":"carousel","partners":"grid-6","faq":"two-column","stats":"grid-3","cta":"card-style"} */

:root {
    --color-primary: #7c3a2d;
    --color-primary-dark: #3d1a12;
    --color-accent: #f59e0b;
    --color-surface: #fdf6ec;
    --color-text: #2b1810;
    --rgb-primary: 124,58,45;
    --rgb-accent: 245,158,11;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 2px rgba(61,26,18,.08), 0 2px 6px rgba(245,158,11,.06);
    --shadow-md: 0 4px 10px rgba(61,26,18,.10), 0 12px 28px rgba(245,158,11,.10);
    --shadow-lg: 0 8px 20px rgba(61,26,18,.12), 0 28px 56px rgba(245,158,11,.16);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #fffdf8 0%, #fdf6ec 55%, #fbeedd 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(135deg, rgba(253,246,236,.0) 0%, rgba(245,158,11,.05) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: linear-gradient(160deg, #ffffff 0%, #fff8ec 100%); border: 1px solid rgba(124,58,45,.10); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #7c3a2d 0%, #a8552f 50%, #f59e0b 100%); color: #fff8ec; box-shadow: 0 4px 12px rgba(124,58,45,.28), 0 10px 24px rgba(245,158,11,.18); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

/* ========== 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: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: minimal */
.hero { padding: 2rem 0; background: radial-gradient(ellipse at 20% 0%, rgba(245,158,11,.18) 0%, rgba(124,58,45,.08) 40%, rgba(253,246,236,0) 75%); } .hero-content { max-width: 560px; }

/* testimonials: carousel */
/* 单条轮播 */
                .testimonial-list { display: flex; overflow: hidden; } 
                .testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, #3d1a12 0%, #7c3a2d 45%, #b45309 100%); border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: 0 12px 32px rgba(61,26,18,.30), 0 32px 64px rgba(245,158,11,.22); color: #fff8ec; border: 1px solid rgba(245,158,11,.35); }

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

/* 条件性装饰 */
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; }
}