/* CSSVariantEngine v3.0 — go-kaifa-qq.com.cn */
/* Palette: teal-amber | Radius: soft-rounded | Shadow: layered */
/* Spacing: comfortable | Transition: smooth-long */
/* Section layouts: {"news":"featured-left","features":"grid-2","hero":"split","testimonials":"grid-3","partners":"grid-6","faq":"two-column","stats":"grid-4","cta":"full-bg"} */

:root {
    --color-primary: #0f766e;
    --color-primary-dark: #064e3b;
    --color-accent: #f59e0b;
    --color-surface: #fffbeb;
    --color-text: #134e4a;
    --rgb-primary: 15, 118, 110;
    --rgb-accent: 245, 158, 11;
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(15,118,110,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 6px 18px rgba(15,118,110,0.12), 0 2px 6px rgba(0,0,0,0.06);
    --shadow-lg: 0 18px 45px rgba(15,118,110,0.18), 0 8px 20px rgba(245,158,11,0.08);
    --space-section: 4.2rem;
    --space-card: 1.6rem;
    --space-gap: 1.3rem;
    --transition: 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
    --heading-weight: 600;
    --body-line-height: 1.6;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: #ffffff; }
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%, #fffef7 100%); border: 1px solid transparent; border-image: linear-gradient(135deg, rgba(15,118,110,0.1), rgba(245,158,11,0.1)) 1; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); }

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

/* news: featured-left */
/* 左大右小 (1大+2小) */
.news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
.news-grid > *:first-child { grid-row: span 2; }

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

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); 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: full-bg */
.cta-section { background: linear-gradient(180deg, #064e3b 0%, #0f766e 50%, #0d9488 100%); color: #fffef7; padding: 4.2rem 2rem; }

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

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 0 2px rgba(245,158,11,0.2); }
.hero, [class*="hero"], section:first-of-type { background: linear-gradient(175deg, #fffbeb 0%, #fef3c7 60%, #fde68a 100%); }
.testimonials-section { background: linear-gradient(180deg, #0f766e 0%, #0d9488 100%); color: #fffef7; }
.partners-section { background: #fffbeb; }

/* 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: 2.1rem; --space-card: 1.1rem; --space-gap: 0.8rem; }
    .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; }
}