/* CSSVariantEngine v3.0 — go-yangshitiyu.tj.cn */
/* Palette: deep-teal | Radius: sharp | Shadow: hard-offset */
/* Spacing: comfortable | Transition: snappy */
/* Section layouts: {"news":"featured-left","features":"grid-3","hero":"overlay","testimonials":"masonry","partners":"grid-4","faq":"two-column","stats":"big-number","cta":"split"} */

:root {
    --color-primary: #0d4f6c;
    --color-primary-dark: #062f42;
    --color-accent: #f2a413;
    --color-surface: #f7f2e7;
    --color-text: #0e1a1f;
    --rgb-primary: 13,79,108;
    --rgb-accent: 242,164,19;
    --radius-sm: 0px;
    --radius-md: 2px;
    --radius-lg: 3px;
    --radius-xl: 4px;
    --shadow-sm: 2px 2px 0 #0e1a1f;
    --shadow-md: 4px 4px 0 #0e1a1f;
    --shadow-lg: 6px 6px 0 #0d4f6c, 10px 10px 0 rgba(242,164,19,.55);
    --space-section: 4rem;
    --space-card: 1.5rem;
    --space-gap: 1.25rem;
    --transition: 0.15s cubic-bezier(0.2, 0.8, 0.3, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background-color: var(--color-surface); caret-color: var(--color-primary); accent-color: var(--color-primary); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); color: var(--color-text); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); background-color: #ffffff; border-top: 3px solid var(--color-text); border-bottom: 3px solid var(--color-text); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); background-color: #ffffff; border: 2px solid var(--color-text); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-sm); transition: var(--transition); background-color: var(--color-primary); color: #ffffff; border: 2px solid var(--color-text); box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: var(--color-accent); }

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

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; background-color: #0e1a1f; background-image: linear-gradient(135deg, rgba(13,79,108,.85) 0%, rgba(14,26,31,.96) 70%, rgba(14,26,31,1) 100%); border-top: 4px solid var(--color-accent); border-bottom: 4px solid var(--color-accent); }
                .hero-content { position: relative; z-index: 1; color: #ffffff; box-shadow: inset 4px 0 0 var(--color-accent); text-shadow: 2px 2px 0 rgba(6,47,66,.75); }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); border-left: 3px solid var(--color-accent); background-color: var(--color-surface); }

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

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

/* 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); text-shadow: 3px 3px 0 var(--color-accent); }

/* cta: split */
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; background-color: var(--color-primary-dark); border: 2px solid var(--color-text); box-shadow: var(--shadow-lg); color: #ffffff; }

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

/* 条件性装饰 */

/* 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; }
}