/* CSSVariantEngine v3.0 — 333sports-mobile.com.cn */
/* Palette: card-mosaic | Radius: rounded | Shadow: layered */
/* Spacing: compact | Transition: smooth */
/* Section layouts: {"news":"grid-4","features":"horizontal","hero":"overlay","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"inline","cta":"centered"} */

:root {
    --color-primary: #6c5ce7;
    --color-primary-dark: #341f97;
    --color-accent: #ff9f43;
    --color-surface: #f3f2f7;
    --color-text: #2d2a3a;
    --rgb-primary: 108,92,231;
    --rgb-accent: 255,159,67;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 1px 2px rgba(45,42,58,0.05), 0 2px 8px rgba(45,42,58,0.04);
    --shadow-md: 0 2px 4px rgba(45,42,58,0.05), 0 12px 28px rgba(108,92,231,0.12), 0 4px 12px rgba(45,42,58,0.06);
    --shadow-lg: 0 8px 20px rgba(45,42,58,0.10), 0 24px 48px rgba(108,92,231,0.16), 0 6px 16px rgba(45,42,58,0.08);
    --space-section: 2.1rem;
    --space-card: 1.1rem;
    --space-gap: 0.85rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
    --gradient-card-a: linear-gradient(135deg, #ff9a9e 0%, #fecfef 45%, #a1c4fd 100%);
    --gradient-card-b: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-card-c: linear-gradient(135deg, #7f00ff 0%, #e100ff 100%);
    --gradient-card-d: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
    --gradient-cta: linear-gradient(135deg, #6c5ce7 0%, #fd79a8 100%);
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background:
        radial-gradient(circle at 10% 20%, rgba(255,154,158,0.16), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(108,92,231,0.12), transparent 30%),
        radial-gradient(circle at 50% 100%, rgba(246,211,101,0.12), transparent 32%),
        linear-gradient(145deg, var(--color-surface) 0%, #ffffff 55%, #ece9f6 100%);
    background-attachment: fixed;
    accent-color: var(--color-primary);
    caret-color: var(--color-accent);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
    background: linear-gradient(180deg, rgba(255,255,255,0.3), rgba(255,255,255,0));
}
.card, [class*="card"] {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.65);
    padding: var(--space-card);
    transition: var(--transition);
    background: linear-gradient(145deg, rgba(255,255,255,0.68), rgba(255,255,255,0.38)), var(--gradient-card-a);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: var(--gradient-cta);
    background-size: 150% 150%;
    color: #ffffff;
    border-color: rgba(255,255,255,0.35);
    box-shadow: 0 4px 14px rgba(108,92,231,0.35), 0 2px 4px rgba(45,42,58,0.08);
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration-color: rgba(var(--rgb-primary), 0.35);
}

/* ========== 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);
                    background: linear-gradient(145deg, rgba(255,255,255,0.55), rgba(255,255,255,0.25)), radial-gradient(circle at 50% 0%, rgba(108,92,231,0.08), transparent 50%);
                    border-radius: var(--radius-xl);
                }

/* features: horizontal */
/* 水平滚动 */
                .feature-list {
                    display: flex;
                    gap: var(--space-gap);
                    overflow-x: auto;
                    scroll-snap-type: x mandatory;
                    background: linear-gradient(90deg, rgba(255,255,255,0.35), rgba(255,255,255,0));
                    border-radius: var(--radius-lg);
                }
                .feature-list > * {
                    flex: 0 0 300px;
                    scroll-snap-align: start;
                    background: linear-gradient(145deg, rgba(255,255,255,0.72), rgba(255,255,255,0.42)), var(--gradient-card-b);
                    border-radius: var(--radius-lg);
                    box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(255,255,255,0.4);
                }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero {
                    position: relative;
                    min-height: 70vh;
                    display: flex;
                    align-items: center;
                    background:
                        radial-gradient(circle at 20% 30%, rgba(255,159,67,0.25), transparent 30%),
                        radial-gradient(circle at 80% 70%, rgba(108,92,231,0.3), transparent 40%),
                        linear-gradient(135deg, #2d1b69 0%, #11998e 100%);
                }
                .hero-content {
                    position: relative;
                    z-index: 1;
                    color: #ffffff;
                    text-shadow: 0 2px 12px rgba(0,0,0,0.25);
                }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list {
                    display: flex;
                    flex-direction: column;
                    gap: var(--space-gap);
                    max-width: 720px;
                    margin: 0 auto;
                    background: linear-gradient(145deg, rgba(255,255,255,0.72), rgba(255,255,255,0.4)), var(--gradient-card-c);
                    border-radius: var(--radius-xl);
                    box-shadow: var(--shadow-sm);
                }

/* partners: centered */
.partner-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    background: radial-gradient(circle at 50% 50%, rgba(108,92,231,0.06), transparent 70%);
    border-radius: var(--radius-xl);
}

/* faq: single-column */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(145deg, rgba(255,255,255,0.76), rgba(255,255,255,0.4)), var(--gradient-card-d);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

/* stats: inline */
/* 水平排列 */
                .stats-grid {
                    display: flex;
                    justify-content: center;
                    gap: 3rem;
                    background: linear-gradient(135deg, rgba(255,255,255,0.5), rgba(255,255,255,0.2));
                    border-radius: var(--radius-lg);
                }

/* cta: centered */
.cta-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    background: radial-gradient(circle at 50% 50%, rgba(255,159,67,0.12), transparent 70%);
    border-radius: var(--radius-xl);
}

/* 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), inset 0 0 0 1px rgba(255,255,255,0.7);
    filter: saturate(1.15);
}
header, .header, .navbar {
    box-shadow: 0 1px 0 rgba(255,255,255,0.35), 0 8px 24px rgba(45,42,58,0.08);
    background: rgba(255,255,255,0.72);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    backdrop-filter: blur(14px) saturate(1.4);
}

/* 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: 2.1rem; --space-card: 1.1rem; --space-gap: 0.85rem; }
    .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; }
}