/* CSSVariantEngine v3.0 — web4-app-kysports.com.cn */
/* Palette: clay-and-teal | Radius: soft | Shadow: layered */
/* Spacing: airy | Transition: smooth */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"left-aligned","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"big-number","cta":"card-style"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #134e4a;
    --color-accent: #ea580c;
    --color-surface: #faf6f0;
    --color-text: #1c1917;
    --rgb-primary: 15, 118, 110;
    --rgb-accent: 234, 88, 12;
    --color-block-amber: #fef3c7;
    --color-block-teal: #ccfbf1;
    --color-block-peach: #ffedd5;
    --color-block-stone: #f5f5f4;
    --color-block-mint: #ecfdf5;
    --color-block-ink: #1c1917;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(28, 25, 23, 0.06), 0 8px 20px -6px rgba(28, 25, 23, 0.08);
    --shadow-md: 0 4px 8px rgba(28, 25, 23, 0.05), 0 20px 40px -10px rgba(28, 25, 23, 0.12);
    --shadow-lg: 0 8px 16px rgba(28, 25, 23, 0.06), 0 30px 60px -12px rgba(28, 25, 23, 0.18);
    --space-section: 2.25rem;
    --space-card: 1.125rem;
    --space-gap: 0.875rem;
    --transition: 0.45s ease;
    --heading-weight: 700;
    --body-line-height: 1.6;
    accent-color: var(--color-accent);
    caret-color: var(--color-accent);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: var(--color-surface); }
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), 0 0 0 1px rgba(28, 25, 23, 0.05); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: var(--color-accent); }

/* ========== Section Layout Variants ========== */

/* news: featured-left */
/* 左大右小 (1大+2小) */
.news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); background: var(--color-block-amber); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 0 2px #d97706; }
.news-grid > *:first-child { grid-row: span 2; }

/* 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; background: var(--color-block-teal); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 0 2px #0f766e; }

/* hero: left-aligned */
.hero-content { text-align: left; max-width: 600px; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; background: var(--color-block-peach); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 0 2px #ea580c; } 
.testimonial-list > * { flex: 0 0 100%; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background: var(--color-block-stone); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 0 2px #78716c; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); background: var(--color-block-mint); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 0 2px #059669; }

/* stats: big-number */
/* 大数字居中 */
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; background: var(--color-block-ink); color: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 0 2px #f59e0b; }
.stats-grid .stat-value { font-size: 3rem; color: var(--color-accent); }

/* cta: card-style */
.cta-inner { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: #ffffff; border-radius: var(--radius-xl); padding: 3rem; text-align: center; box-shadow: var(--shadow-lg), 0 0 0 2px rgba(255, 255, 255, 0.3); }

/* 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); }
.card { border-left: 3px solid var(--color-primary); background: #ffffff; }

/* 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: 1.125rem; --space-gap: 0.875rem; }
    .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; }
}