:root {
    --color-primary: #0f3d6e;
    --color-primary-dark: #06243f;
    --color-accent: #f59e0b;
    --color-surface: #fff7e6;
    --color-text: #0b1220;
    --rgb-primary: 15,61,110;
    --rgb-accent: 245,158,11;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-sm: 0 1px 0 rgba(0,0,0,0.06);
    --shadow-md: 0 10px 26px rgba(2, 10, 22, 0.12), 0 2px 8px rgba(2, 10, 22, 0.08);
    --shadow-lg: 0 24px 70px rgba(2, 10, 22, 0.20), 0 10px 26px rgba(2, 10, 22, 0.14);
    --space-section: 2rem;
    --space-card: 1rem;
    --space-gap: 0.75rem;
    --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

body { color: var(--color-text); line-height: var(--body-line-height); }
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:
        0 2px 0 rgba(255,255,255,0.7) inset,
        0 0 0 1px rgba(15, 61, 110, 0.12),
        0 14px 34px rgba(6, 36, 63, 0.16),
        0 3px 10px rgba(6, 36, 63, 0.10);
    padding: var(--space-card);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
    background:
        radial-gradient(1200px 240px at 20% 0%, rgba(245,158,11,0.10), rgba(245,158,11,0) 55%),
        radial-gradient(900px 260px at 90% 10%, rgba(15,61,110,0.14), rgba(15,61,110,0) 60%),
        linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,247,230,0.82));
}
.card > * { text-shadow: 0 1px 0 rgba(255,255,255,0.65); }

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    color: #0b1220;
}

a:not([class]) {
    color: var(--color-primary);
    transition: color var(--transition), text-shadow var(--transition), opacity var(--transition);
    text-shadow: 0 1px 0 rgba(255,255,255,0.65);
}

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

/* news: featured-top */
/* 首篇横跨全宽 */
                .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
                .news-grid > *:first-child { grid-column: span 3; }

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

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
                .hero-content { position: relative; z-index: 1; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: 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-3 */
.stats-grid { display: grid; grid-template-columns: repeat(3, 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(-5px);
    box-shadow:
        0 3px 0 rgba(255,255,255,0.75) inset,
        0 0 0 1px rgba(245,158,11,0.20),
        0 26px 74px rgba(6, 36, 63, 0.24),
        0 10px 28px rgba(6, 36, 63, 0.16),
        0 0 0 6px rgba(245,158,11,0.06);
}
a:not([class]):hover { color: var(--color-accent); text-shadow: 0 1px 0 rgba(255,255,255,0.7), 0 0 18px rgba(245,158,11,0.25); }
.hero, [class*="hero"], section:first-of-type {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.25), rgba(255,255,255,0.05)),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.10) 0 10px, rgba(255,255,255,0) 10px 22px),
        linear-gradient(135deg, #0f3d6e 0%, #06243f 55%, #f59e0b 120%);
    filter: saturate(1.05) contrast(1.02);
    box-shadow:
        0 1px 0 rgba(255,255,255,0.2) inset,
        0 -1px 0 rgba(0,0,0,0.12) inset;
}
.card { border-left: 3px solid var(--color-primary); }
header, .header, .navbar { background: transparent; }

/* 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; }
}