/* CSSVariantEngine v3.0 — sh-pg.com.cn */
/* Palette: teal-lavender | Radius: large | Shadow: soft multi-layer */
/* Spacing: mixed tight/loose | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"grid-3","hero":"minimal","testimonials":"carousel","partners":"centered","faq":"two-column","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #0d9488;
    --color-primary-dark: #0f766e;
    --color-accent: #a855f7;
    --color-surface: #f0fdfa;
    --color-text: #134e4a;
    --rgb-primary: 13,148,136;
    --rgb-accent: 168,85,247;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 6px rgba(13, 148, 136, 0.07), 0 1px 2px rgba(13, 148, 136, 0.04);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.05), 0 20px 40px -10px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 16px rgba(13, 148, 136, 0.08), 0 24px 48px -12px rgba(168, 85, 247, 0.15);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 700;
    --body-line-height: 1.6;
    --card-border-color: #ccfbf1;
}

/* 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); background: #ffffff; border: 2px solid var(--card-border-color); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; border: none; }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-thickness: 2px; }

/* ========== 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-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: minimal */
.hero { padding: 2rem 0; background: linear-gradient(180deg, #e0f2fe, var(--color-surface)); } .hero-content { max-width: 560px; }

/* testimonials: carousel */
/* 单条轮播 */
.testimonial-list { display: flex; overflow: hidden; } 
.testimonial-list > * { flex: 0 0 100%; }
.testimonial-list .card { background: #faf5ff; border-color: #e9d5ff; }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { border-radius: var(--radius-sm); padding: 1rem; background: white; box-shadow: var(--shadow-sm); }

/* faq: two-column */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-gap); }
.faq-list .card { background: #f0f9ff; border-color: #bae6fd; }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card { background: #ecfdf5; border-color: #a7f3d0; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; padding: 3rem; border-radius: var(--radius-xl); background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent)); color: white; box-shadow: var(--shadow-lg); }

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

/* 条件性装饰 */
.card:hover, [class*="card"]:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
a:not([class]):hover { color: var(--color-accent); }
.card { border-left: 4px solid var(--color-accent); }
header, .header, .navbar { background: rgba(255,255,255,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--card-border-color); }

/* 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; }
}