/* CSSVariantEngine v3.0 — link-intl-kaiyun.com.cn */
/* Palette: aqua-sunset | Radius: diagonal | Shadow: layered-glow */
/* Spacing: tight | Transition: slow-smooth */
/* Section layouts: {"news":"grid-3","features":"grid-2","hero":"split","testimonials":"carousel","partners":"grid-4","faq":"with-sidebar","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #0e7490;
    --color-primary-dark: #155e75;
    --color-accent: #ea580c;
    --color-surface: #ecfeff;
    --color-text: #082f49;
    --rgb-primary: 14,116,144;
    --rgb-accent: 234,88,12;
    --radius-sm: 6px 2px 6px 2px;
    --radius-md: 10px 4px 10px 4px;
    --radius-lg: 18px 6px 18px 6px;
    --radius-xl: 26px 10px 26px 10px;
    --shadow-sm: 0 1px 2px rgba(8,47,73,.06), 0 4px 12px -2px rgba(14,116,144,.18);
    --shadow-md: 0 2px 4px rgba(8,47,73,.06), 0 12px 28px -8px rgba(14,116,144,.24), 0 0 0 1px rgba(6,182,212,.14), inset 0 1px 0 rgba(255,255,255,.55);
    --shadow-lg: 0 4px 8px rgba(8,47,73,.08), 0 24px 56px -16px rgba(14,116,144,.34), 0 0 0 1px rgba(234,88,12,.2), inset 0 1px 0 rgba(255,255,255,.6);
    --space-section: 2.25rem;
    --space-card: 1.125rem;
    --space-gap: 0.875rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(1100px 500px at 85% -10%, rgba(6,182,212,.16), transparent 60%), radial-gradient(900px 480px at -10% 20%, rgba(234,88,12,.1), transparent 55%), linear-gradient(180deg, #f8fafc, #ecfeff); }
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: radial-gradient(600px 220px at 100% 0%, rgba(6,182,212,.16), transparent 60%), linear-gradient(145deg, rgba(255,255,255,.94), rgba(224,242,254,.72)); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, #0e7490, #0891b2 55%, #06b6d4); color: #f0fdff; box-shadow: 0 8px 20px -6px rgba(14,116,144,.5), inset 0 1px 0 rgba(255,255,255,.35); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: grid-3 */
/* 三列等宽网格 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); background: linear-gradient(135deg, rgba(6,182,212,.18), rgba(14,116,144,.05)); border-radius: var(--radius-xl); }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); background: linear-gradient(135deg, rgba(234,88,12,.16), rgba(251,146,60,.05)); border-radius: var(--radius-xl); }

/* hero: split */
/* 左文右图 */
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2.25rem; align-items: center; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; background: linear-gradient(90deg, rgba(255,255,255,.75), rgba(236,254,255,.35)); border-radius: var(--radius-lg); } 
.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: radial-gradient(700px 220px at 50% 0%, rgba(6,182,212,.18), transparent 70%); border-radius: var(--radius-lg); }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
.faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 1.75rem; background: linear-gradient(135deg, rgba(14,116,144,.1), rgba(6,182,212,.04)); border-radius: var(--radius-xl); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; background: linear-gradient(180deg, rgba(234,88,12,.14), rgba(14,116,144,.06)); border-radius: var(--radius-xl); }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; background: radial-gradient(500px 180px at 50% 0%, rgba(234,88,12,.16), transparent 70%), linear-gradient(135deg, rgba(236,254,255,.8), rgba(224,242,254,.5)); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }

/* Page Layout: full-width */
/* 无侧边栏, 全宽 */
.page-main { max-width: 1200px; margin: 0 auto; }

/* 条件性装饰 */
.hero, [class*="hero"], section:first-of-type { background: radial-gradient(1000px 400px at 15% 10%, rgba(34,211,238,.4), transparent 60%), radial-gradient(800px 300px at 85% 90%, rgba(234,88,12,.25), transparent 55%), linear-gradient(135deg, #164e63 0%, #0e7490 45%, #0891b2 100%); }
header, .header, .navbar { box-shadow: 0 1px 0 rgba(14,116,144,.12), 0 6px 20px -8px rgba(14,116,144,.24); }

/* 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: 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; }
}