/* CSSVariantEngine v3.0 — go-mktiyu.cn */
/* Palette: pinterest-flat | Radius: minimal | Shadow: none */
/* Spacing: medium | Transition: snappy */
/* Section layouts: {"news":"featured-left","features":"centered","hero":"minimal","testimonials":"stacked","partners":"centered","faq":"with-sidebar","stats":"big-number","cta":"centered"} */

:root {
    --color-primary: #d32f2f;
    --color-primary-dark: #b71c1c;
    --color-accent: #ffca28;
    --color-surface: #f0f0f0;
    --color-text: #212121;
    --rgb-primary: 211,47,47;
    --rgb-accent: 255,202,40;
    --radius-sm: 3px;
    --radius-md: 4px;
    --radius-lg: 4px;
    --radius-xl: 6px;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.15s ease-out;
    --heading-weight: 600;
    --body-line-height: 1.65;
}

/* 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-color: #ffffff; }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background-color: var(--color-primary); color: #ffffff; border: 2px solid var(--color-primary); }
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; border-top: 4px solid var(--color-accent); }

/* features: centered */
/* 居中大卡片 */
                .feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }

/* hero: minimal */
.hero { padding: 2rem 0; background-color: #ffffff; } .hero-content { max-width: 560px; }

/* testimonials: stacked */
/* 垂直堆叠 */
                .testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
                .testimonial-list .card:nth-child(2) { border-left: 3px solid var(--color-accent); }
                .testimonial-list .card:nth-child(3) { border-right: 3px solid var(--color-accent); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.partner-grid > * { background-color: #ffffff; padding: 0.75rem 1rem; border-radius: var(--radius-sm); border: 1px solid #e0e0e0; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
                .faq-wrapper .card:last-child { border-top: 4px solid var(--color-primary); }

/* 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; color: var(--color-primary); }
                .stats-grid > * { background-color: #ffffff; padding: 1.5rem 2rem; border-radius: var(--radius-sm); border: 1px solid #e0e0e0; }

/* cta: centered */
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; padding: 2rem; background-color: #ffffff; border-radius: var(--radius-md); border: 2px solid var(--color-accent); }

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; padding: 0 1rem; }

/* 条件性装饰 */
a:not([class]):hover { color: var(--color-primary-dark); }
.hero, [class*="hero"], section:first-of-type { background-color: #ffffff; }
.card { border: 1px solid #e0e0e0; }
header, .header, .navbar { background: #ffffff; border-bottom: 1px solid #e0e0e0; }

/* 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; }
}