/* CSSVariantEngine v3.0 — cloud-worldcup2026.com */
/* Palette: royal | Radius: pill | Shadow: medium */
/* Spacing: comfortable | Transition: instant */
/* Section layouts: {"news":"masonry-2","features":"grid-4","hero":"centered","testimonials":"masonry","partners":"scroll","faq":"two-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #115e59;
    --color-accent: #f97316;
    --color-surface: #f5f7fb;
    --color-text: #163047;
    --rgb-primary: 15,118,110;
    --rgb-accent: 249,115,22;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-xl: 36px;
    --shadow-sm: 0 2px 6px rgba(22,48,71,.08), 0 10px 22px rgba(15,118,110,.06);
    --shadow-md: 0 8px 18px rgba(22,48,71,.08), 0 18px 40px rgba(15,118,110,.10), 0 1px 0 rgba(255,255,255,.65) inset;
    --shadow-lg: 0 14px 30px rgba(22,48,71,.10), 0 28px 60px rgba(249,115,22,.12), 0 1px 0 rgba(255,255,255,.7) inset;
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.28s cubic-bezier(.22,1,.36,1);
    --heading-weight: 700;
    --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%, #eef6f5 48%, #fff7ed 100%); caret-color: var(--color-accent); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: #12324a; text-shadow: 0 1px 0 rgba(255,255,255,.72); }
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, rgba(255,255,255,.96) 0%, rgba(240,248,247,.92) 100%); border-color: rgba(var(--rgb-primary), .16); border-style: solid; backdrop-filter: blur(10px) saturate(1.08); -webkit-backdrop-filter: blur(10px) saturate(1.08); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #0f766e 0%, #14b8a6 100%); color: #f8fffe; border-color: rgba(17,94,89,.36); border-style: solid; box-shadow: 0 8px 18px rgba(15,118,110,.22), 0 2px 0 rgba(255,255,255,.28) inset; text-shadow: 0 1px 1px rgba(0,0,0,.12); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-accent), .45); }

/* ========== 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); background: linear-gradient(160deg, rgba(255,255,255,.98) 0%, rgba(232,248,246,.94) 100%); box-shadow: 0 10px 24px rgba(15,118,110,.10), 0 24px 44px rgba(22,48,71,.08), 0 1px 0 rgba(255,255,255,.72) inset; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; color: #17354c; text-shadow: 0 2px 10px rgba(255,255,255,.5); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); background: linear-gradient(155deg, rgba(255,248,241,.96) 0%, rgba(255,255,255,.92) 100%); border-radius: var(--radius-xl); box-shadow: 0 10px 22px rgba(249,115,22,.10), 0 20px 42px rgba(22,48,71,.07); border-color: rgba(var(--rgb-accent), .18); border-style: dashed; }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 24s cubic-bezier(.45,.05,.55,.95) infinite; filter: saturate(1.08) contrast(1.02); opacity: .96; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* 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; color: #0f766e; text-shadow: 0 4px 14px rgba(15,118,110,.18), 0 1px 0 rgba(255,255,255,.72); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background: linear-gradient(135deg, rgba(15,118,110,.10) 0%, rgba(249,115,22,.10) 100%); border-radius: var(--radius-xl); box-shadow: 0 14px 30px rgba(22,48,71,.08), 0 30px 60px rgba(249,115,22,.08); }

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

/* 条件性装饰 */
.card { border: 1px solid rgba(var(--rgb-primary), .18); outline: 1px solid rgba(var(--rgb-accent), .10); outline-color: rgba(var(--rgb-accent), .10); }
header, .header, .navbar { background: linear-gradient(180deg, rgba(248,250,252,.86) 0%, rgba(248,250,252,.58) 100%); backdrop-filter: blur(14px) saturate(1.1); -webkit-backdrop-filter: blur(14px) saturate(1.1); box-shadow: 0 10px 24px rgba(22,48,71,.05); }

/* 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; }
}