:/* CSSVariantEngine v3.0 — world10-kaiyun-app.com.cn */
/* Palette: bold-sunset | Radius: squircle | Shadow: layered-glow */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"minimal","testimonials":"grid-3","partners":"scroll","faq":"with-sidebar","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #c2410c;
    --color-primary-dark: #7c2d12;
    --color-accent: #f59e0b;
    --color-surface: #fffbeb;
    --color-text: #431407;
    --rgb-primary: 194,65,12;
    --rgb-accent: 245,158,11;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --radius-xl: 40px;
    --shadow-sm: 0 4px 12px rgba(194,65,12,.18), 0 2px 4px rgba(124,45,18,.12);
    --shadow-md: 0 8px 24px rgba(194,65,12,.16), 0 4px 8px rgba(124,45,18,.10);
    --shadow-lg: 0 16px 48px rgba(194,65,12,.20), 0 8px 16px rgba(124,45,18,.14), 0 2px 4px rgba(245,158,11,.08);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(.22,1,.36,1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: linear-gradient(160deg, #fff7ed 0%, #fffbeb 50%, #fef3c7 100%); }
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: linear-gradient(145deg, #ffffff 0%, #fffbeb 100%); border: 1px solid rgba(194,65,12,.15); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #f59e0b, #c2410c); box-shadow: 0 4px 16px rgba(194,65,12,.25); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-shadow: 0 1px 2px rgba(245,158,11,.2); }

/* ========== 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; background: linear-gradient(135deg, #ffffff 0%, #fef3c7 100%); border-left: 6px solid #c2410c; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }
.feature-list .card { background: linear-gradient(145deg, #fffbeb 0%, #ffffff 100%); border-top: 4px solid #f59e0b; }

/* hero: minimal */
.hero { padding: 2rem 0; background: radial-gradient(circle at 20% 30%, rgba(245,158,11,.25) 0%, transparent 60%), linear-gradient(135deg, #7c2d12 0%, #c2410c 50%, #f59e0b 100%) !important; } .hero-content { max-width: 560px; }

/* testimonials: grid-3 */
.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.testimonial-list .card { background: linear-gradient(160deg, #fff7ed 0%, #ffffff 100%); border-bottom: 4px solid #c2410c; }

/* partners: scroll */
/* 自动滚动 */
                .partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 20s linear infinite; }
                @keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
                .partner-grid img { filter: grayscale(.4) sepia(.2); transition: filter .5s cubic-bezier(.22,1,.36,1); }
                .partner-grid img:hover { filter: grayscale(0) sepia(0); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
                .faq-wrapper .card { background: linear-gradient(135deg, #ffffff 0%, #fef3c7 60%, #fffbeb 100%); border-radius: var(--radius-xl); }

/* 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; background: linear-gradient(135deg, #c2410c, #f59e0b); -webkit-background-clip: text; background-clip: text; color: transparent; text-shadow: none; }
                .stats-grid .card { background: radial-gradient(circle at 80% 20%, rgba(245,158,11,.2) 0%, transparent 50%), linear-gradient(145deg, #fff7ed, #ffffff); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.cta-inner .btn { background: linear-gradient(135deg, #f59e0b 0%, #c2410c 100%); box-shadow: 0 8px 24px rgba(194,65,12,.3), 0 2px 4px rgba(245,158,11,.2); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(245,158,11,.4); }
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 2px 8px rgba(245,158,11,.4); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(135deg, #7c2d12 0%, #c2410c 50%, #f59e0b 100%); color: #fff7ed; }
header, .header, .navbar { box-shadow: 0 4px 20px rgba(194,65,12,.12), 0 2px 4px rgba(124,45,18,.08); background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%) !important; border-bottom: 2px solid rgba(194,65,12,.15); }

/* 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; --radius-lg: 20px; --radius-md: 14px; }
    .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; }
}