/* CSSVariantEngine v3.0 — jisuesports-qq.com.cn */
/* Palette: teal-orange | Radius: pill-soft | Shadow: multi-layer gradient */
/* Spacing: generous | Transition: smooth long */
/* Section layouts: {"news":"masonry-2","features":"horizontal","hero":"overlay","testimonials":"carousel","partners":"grid-4","faq":"single-column","stats":"grid-3","cta":"full-bg"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #f97316;
    --color-surface: #fef7ed;
    --color-text: #1e293b;
    --rgb-primary: 13, 148, 136;
    --rgb-accent: 249, 115, 22;
    --radius-sm: 4px;
    --radius-md: 20px;
    --radius-lg: 36px;
    --radius-xl: 48px;
    --shadow-sm: 0 2px 8px rgba(13, 148, 136, 0.08), 0 1px 3px rgba(249, 115, 22, 0.05);
    --shadow-md: 0 8px 20px rgba(13, 148, 136, 0.12), 0 3px 10px rgba(30, 41, 59, 0.07), 0 1px 4px rgba(249, 115, 22, 0.04);
    --shadow-lg: 0 16px 35px rgba(13, 148, 136, 0.18), 0 7px 18px rgba(30, 41, 59, 0.1), 0 2px 8px rgba(249, 115, 22, 0.08);
    --space-section: 3.6rem;
    --space-card: 1.35rem;
    --space-gap: 1.1rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.65;
    --accent-color: #f97316;
    --caret-color: #0d9488;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(180deg, #ffffff 0%, #fffbeb 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); text-shadow: 0 1px 2px rgba(13, 148, 136, 0.05); }
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: linear-gradient(145deg, #ffffff 0%, #fefefe 100%); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); color: white; border: none; box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: masonry-2 */
/* 两列瀑布流 */
.news-grid { column-count: 2; column-gap: var(--space-gap); }
.news-grid .card { break-inside: avoid; margin-bottom: var(--space-gap); }

/* 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, #fffbeb 0%, #fef7ed 100%); padding: 1rem 0; }
.feature-list > * { flex: 0 0 300px; scroll-snap-align: start; }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
.hero-content { position: relative; z-index: 1; text-shadow: 0 2px 12px rgba(0,0,0,0.2); }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%); color: white; padding: 2rem 0; } 
.testimonial-list > * { flex: 0 0 100%; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; background: #fffbeb; padding: 2rem; border-radius: var(--radius-xl); }

/* faq: single-column */
.faq-list { max-width: 800px; margin: 0 auto; background: white; padding: 2rem; border-radius: var(--radius-lg); }

/* stats: grid-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; background: linear-gradient(135deg, #ccfbf1 0%, #99f6e4 100%); padding: 3rem 1rem; border-radius: var(--radius-xl); }

/* cta: full-bg */
.cta-section { background: linear-gradient(120deg, #f97316 0%, #ea580c 45%, #c2410c 100%); color: #fff; padding: 4rem 2rem; box-shadow: 0 -10px 40px rgba(249, 115, 22, 0.2); }

/* Page Layout: wide */
/* 超宽 */
.page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); text-decoration-thickness: 2px; }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(160deg, #0d9488 0%, #0f766e 40%, #134e4a 100%); color: white; }
.card { border-left: 4px solid; border-image: linear-gradient(to bottom, var(--color-primary), var(--color-accent)) 1; }
header, .header, .navbar { background: rgba(255,255,255,0.18); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.1); }

/* 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: 2.2rem; --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; }
}