/* CSSVariantEngine v3.0 — m2-xktysports.com.cn */
/* Palette: center-stage | Radius: generous | Shadow: layered glow */
/* Spacing: tight | Transition: luxe */
/* Section layouts: {"news":"grid-4","features":"centered","hero":"centered","testimonials":"carousel","partners":"scroll","faq":"two-column","stats":"inline","cta":"split"} */

:root {
    --color-primary: #d4a017;
    --color-primary-dark: #8f6b12;
    --color-accent: #8b5cf6;
    --color-surface: #1c1c2e;
    --color-text: #f2f1fa;
    --rgb-primary: 212,160,23;
    --rgb-accent: 139,92,246;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.45), 0 1px 3px rgba(0,0,0,.35), 0 0 12px rgba(212,160,23,.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,.5), 0 4px 10px rgba(0,0,0,.35), 0 0 24px rgba(139,92,246,.14);
    --shadow-lg: 0 18px 44px rgba(0,0,0,.6), 0 8px 16px rgba(0,0,0,.4), 0 0 40px rgba(139,92,246,.3), 0 0 14px rgba(212,160,23,.14);
    --space-section: 2.25rem;
    --space-card: 1.1rem;
    --space-gap: 0.8rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
    accent-color: #d4a017;
    caret-color: #8b5cf6;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background:
        radial-gradient(ellipse 80% 55% at 50% -10%, rgba(139,92,246,.22), transparent 65%),
        radial-gradient(ellipse 55% 40% at 85% 110%, rgba(212,160,23,.14), transparent 60%),
        linear-gradient(180deg, #0f0f1a 0%, #12121f 50%, #0f0f1a 100%);
}

h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
    color: #ffffff;
    text-shadow: 0 0 24px rgba(139,92,246,.35), 0 2px 10px rgba(0,0,0,.5);
}

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);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: linear-gradient(135deg, #b8860b, #7c3aed);
    color: #fff;
    box-shadow: 0 0 0 1px rgba(240,192,64,.35), 0 4px 20px rgba(139,92,246,.35), 0 2px 6px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.2);
    text-shadow: 0 1px 3px rgba(0,0,0,.45);
    border-color: transparent;
}

a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-shadow: 0 0 12px rgba(212,160,23,.25);
}

/* ========== 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); }

/* 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;
    background: radial-gradient(ellipse 90% 80% at 50% 50%, rgba(139,92,246,.18), rgba(212,160,23,.06) 55%, transparent 75%);
}

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

/* partners: scroll */
/* 自动滚动 */
.partner-grid { display: flex; gap: 2.25rem; overflow: hidden; animation: partnerScroll 26s 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: 3.25rem; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2.25rem; }

/* Page Layout: narrow-centered */
/* 窄版居中 */
.page-main {
    max-width: 860px;
    margin: 0 auto;
    background: radial-gradient(ellipse 85% 55% at 50% 0%, rgba(139,92,246,.14), rgba(212,160,23,.04) 50%, transparent 75%);
}

/* 条件性装饰 */
.card:hover, [class*="card"]:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
a:not([class]):hover {
    color: var(--color-accent);
    text-shadow: 0 0 18px rgba(139,92,246,.55);
}
.card {
    border: 1px solid transparent;
    background:
        linear-gradient(145deg, #1c1c2e, #161624 55%, #1e1e32) padding-box,
        linear-gradient(135deg, rgba(212,160,23,.6), rgba(139,92,246,.6) 50%, rgba(212,160,23,.3)) border-box;
}
header, .header, .navbar {
    background: linear-gradient(180deg, rgba(15,15,26,.92) 0%, rgba(15,15,26,.65) 60%, rgba(15,15,26,0) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

/* 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; }
}