/* CSSVariantEngine v3.0 — zh-cctvsports.tj.cn */
/* Palette: violet-cyan | Radius: rounded | Shadow: layered */
/* Spacing: spacious | Transition: smooth-long */
/* Section layouts: {"news":"list-view","features":"centered","hero":"left-aligned","testimonials":"stacked","partners":"centered","faq":"single-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #4c1d95;
    --color-accent: #06b6d4;
    --color-surface: #f5f3ff;
    --color-text: #1e1b2e;
    --color-sidebar: #252e3a;
    --color-sidebar-deep: #1a222c;
    --rgb-primary: 109,40,217;
    --rgb-accent: 6,182,212;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.06), 0 1px 3px rgba(30,27,75,0.10);
    --shadow-md: 0 6px 16px -6px rgba(30,27,75,0.20), 0 2px 6px rgba(109,40,217,0.10);
    --shadow-lg: 0 18px 36px -12px rgba(30,27,75,0.30), 0 36px 72px -24px rgba(109,40,217,0.34);
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 35%, #4f46e5 68%, #06b6d4 100%);
    --gradient-surface: linear-gradient(160deg, #ffffff 0%, #f7f5ff 45%, #ede9fe 100%);
    --gradient-sidebar: linear-gradient(180deg, #2b3543 0%, #252e3a 55%, #1a222c 100%);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.55s cubic-bezier(0.16, 1, 0.3, 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:
        radial-gradient(1200px 600px at 12% -10%, rgba(139,92,246,0.14), transparent 62%),
        radial-gradient(900px 520px at 100% 0%, rgba(6,182,212,0.12), transparent 58%),
        linear-gradient(180deg, #fafaff 0%, #f3f4fb 40%, #eef0f8 100%);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 1px rgba(30,27,75,0.07); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(109,40,217,0.035) 100%); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background: var(--gradient-surface); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: var(--gradient-primary); color: #fdfcff; box-shadow: 0 10px 22px -10px rgba(109,40,217,0.55), 0 2px 6px rgba(6,182,212,0.28); }
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: 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: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }

/* 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); filter: saturate(1.06) brightness(1.02); }
.card { border-left: 3px solid #7c3aed; }
header, .header, .navbar { box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 10px 30px -12px rgba(37,46,58,0.38), 0 2px 6px rgba(15,23,42,0.06); }

/* 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; }
}