/* CSSVariantEngine v3.0 — zh-zhizhuzhibosport.tj.cn */
/* Palette: slate-blue | Radius: dense-soft | Shadow: layered-glow */
/* Spacing: compact-dense | Transition: smooth-long */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"minimal","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #1e293b;
    --color-accent: #38bdf8;
    --color-surface: #f8fafc;
    --color-text: #0f172a;
    --rgb-primary: 59,130,246;
    --rgb-accent: 56,189,248;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.08), 0 1px 4px -1px rgba(59,130,246,.18);
    --shadow-md: 0 8px 20px -6px rgba(30,41,59,.22), 0 3px 10px -3px rgba(59,130,246,.20);
    --shadow-lg: 0 26px 52px -14px rgba(15,23,42,.32), 0 10px 26px -8px rgba(56,189,248,.22);
    --space-section: 2.75rem;
    --space-card: 1.1rem;
    --space-gap: 0.875rem;
    --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body {
    color: var(--color-text);
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f8 55%, #e2e8f0 100%);
    caret-color: var(--color-primary);
    accent-color: var(--color-primary);
}
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-image: linear-gradient(165deg, #ffffff 0%, #f8fafc 48%, #eef4fc 100%);
    border-color: rgba(59,130,246,.28);
    outline: 1px solid rgba(56,189,248,.14);
    outline-offset: -1px;
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-image: linear-gradient(135deg, #3b82f6 0%, #2563eb 52%, #38bdf8 100%);
    color: #f8fafc;
    border-color: rgba(56,189,248,.55);
    box-shadow: 0 8px 22px -8px rgba(37,99,235,.65), 0 2px 6px -2px rgba(15,23,42,.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: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: minimal */
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }

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

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

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

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; }

/* cta: card-style */
.cta-inner {
    background: linear-gradient(140deg, #ffffff 0%, #e8f1fd 42%, #d7e6fb 72%, #c7ddfa 100%);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.75);
    border-color: rgba(59,130,246,.30);
    outline: 1px solid rgba(56,189,248,.18);
    outline-offset: -2px;
    filter: saturate(1.04);
}

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 1px 8px rgba(56,189,248,.45); }
.hero, [class*="hero"], section:first-of-type {
    background: linear-gradient(135deg, #1e293b 0%, #334155 36%, #1d4ed8 74%, #3b82f6 100%), radial-gradient(120% 140% at 88% 8%, rgba(56,189,248,.35) 0%, rgba(56,189,248,0) 62%);
    background-blend-mode: screen, normal;
}
.card {
    border-left: 3px solid var(--color-accent);
    border-image: linear-gradient(170deg, #38bdf8 0%, #3b82f6 52%, #818cf8 100%) 1;
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(59,130,246,.10), inset 0 1px 0 rgba(255,255,255,.85);
}

/* 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: 2.25rem; --space-card: 0.95rem; --space-gap: 0.7rem; }
    .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; }
}