/* CSSVariantEngine v3.0 — zh-wanmeiarena.net.cn */
/* Palette: sky-cyan | Radius: medium | Shadow: glow-elevated */
/* Spacing: medium | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"grid-2","hero":"split","testimonials":"stacked","partners":"grid-4","faq":"two-column","stats":"grid-4","cta":"split"} */

:root {
    --color-primary: #0ea5e9;
    --color-primary-dark: #0369a1;
    --color-accent: #7dd3fc;
    --color-surface: #f0f9ff;
    --color-text: #0c4a6e;
    --rgb-primary: 14,165,233;
    --rgb-accent: 125,211,252;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 3px rgba(var(--rgb-primary),0.15), 0 0 12px rgba(var(--rgb-accent),0.2);
    --shadow-md: 0 4px 12px rgba(var(--rgb-primary),0.2), 0 0 24px rgba(var(--rgb-accent),0.4);
    --shadow-lg: 0 12px 28px rgba(var(--rgb-primary),0.25), 0 0 36px rgba(var(--rgb-accent),0.6);
    --space-section: 2.5rem;
    --space-card: 1.25rem;
    --space-gap: 1.75rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.75;
}

@keyframes subtle-pulse {
    0%, 100% { box-shadow: var(--shadow-md); }
    50% { box-shadow: 0 4px 12px rgba(var(--rgb-primary),0.2), 0 0 28px rgba(var(--rgb-accent),0.45); }
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: 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); padding: var(--space-card); transition: var(--transition); animation: subtle-pulse 6s ease-in-out infinite; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: white; }
a:not([class]) { color: var(--color-primary-dark); transition: var(--transition); }

/* ========== 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; }

/* features: grid-2 */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-gap) * 1.5); }

/* hero: split */
/* 左文右图 */
                .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

/* partners: grid-4 */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--space-gap) * 1.5); align-items: center; }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }

/* 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); animation-play-state: paused; }
.card { border: 1px solid rgba(var(--rgb-accent), 0.2); background-color: white; }
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover { background-color: var(--color-primary-dark); box-shadow: 0 0 24px rgba(var(--rgb-primary), 0.5); }
a:not([class]):hover { color: var(--color-primary); text-shadow: 0 0 8px rgba(var(--rgb-accent), 0.7); }

/* 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; }
}