/* CSSVariantEngine v3.0 — ch3-panda-sports.com.cn */
/* Palette: teal-amber | Radius: rounded | Shadow: layered */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"masonry-2","features":"centered","hero":"centered","testimonials":"masonry","partners":"scroll","faq":"two-column","stats":"inline","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #d97706;
    --color-surface: #f0fdfa;
    --color-text: #042f2e;
    --rgb-primary: 15,118,110;
    --rgb-accent: 217,119,6;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(4,47,46,0.05), 0 2px 8px rgba(15,118,110,0.06);
    --shadow-md: inset 0 0 0 1px rgba(15,118,110,0.10), 0 4px 12px -2px rgba(4,47,46,0.08), 0 16px 32px -8px rgba(15,118,110,0.14);
    --shadow-lg: inset 0 0 0 1px rgba(13,148,136,0.18), 0 12px 24px -6px rgba(4,47,46,0.14), 0 28px 56px -12px rgba(15,118,110,0.22);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.65;
    caret-color: var(--color-primary);
    accent-color: var(--color-primary);
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: radial-gradient(1000px 480px at 85% -5%, rgba(217,119,6,0.10), transparent 60%), radial-gradient(1200px 600px at 10% -10%, rgba(15,118,110,0.12), transparent 55%), linear-gradient(180deg, #ffffff 0%, var(--color-surface) 100%);
}
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-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(145deg, #ffffff 0%, #f0fdfa 55%, #e6fffa 100%);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 50%, #134e4a 100%);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(15,118,110,0.25), 0 8px 20px -6px rgba(15,118,110,0.35);
}
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); }

/* 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: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 24s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

/* stats: inline */
/* 水平排列 */
.stats-grid { display: flex; justify-content: center; gap: 3rem; }

/* cta: card-style */
.cta-inner {
    background: linear-gradient(135deg, #ccfbf1 0%, #f0fdfa 45%, #fffbeb 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(145deg, #ffffff 0%, #ccfbf1 75%);
}
a:not([class]):hover { color: var(--color-accent); }
.hero, [class*="hero"], section:first-of-type {
    background: radial-gradient(ellipse at 15% 20%, rgba(45,212,191,0.30), transparent 50%), radial-gradient(ellipse at 85% 10%, rgba(217,119,6,0.25), transparent 45%), linear-gradient(135deg, #0d9488 0%, #115e59 40%, #134e4a 100%);
}
header, .header, .navbar { box-shadow: 0 1px 2px rgba(4,47,46,0.04), 0 8px 24px rgba(15,118,110,0.08); }

/* 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; }
}