:root {
    --matrix-primary: #3b82f6;
    --matrix-primary-rgb: 59, 130, 246;
    --matrix-radius: 12px;
}

/* Block: headers_id */
.h4-nav { text-decoration: none; color: #334155; font-weight: 700; transition: 0.3s; }
.h4-nav:hover { color: var(--matrix-primary); }
.h4-btn { background: var(--matrix-primary); color: #fff; border-radius: 8px; text-decoration: none; font-weight: 800; }

/* Block: heroes_id */
.hero-s4 { background-image: radial-gradient(#ddd 1px, transparent 1px); background-size: 30px 30px; }
.hero-s4-search-box { max-width: 700px; background: #fff; border-radius: 100px; }
.btn-s4-search { background: var(--matrix-primary); color: #fff; border: none; padding: 10px 40px; border-radius: 100px; font-weight: 800; }
.hero-s4-item { font-weight: 700; color: #475569; }
.hero-s4-item i { color: var(--matrix-primary) !important; }

/* Block: footers_id */
.f-s5-wrapper { border-top-color: var(--matrix-primary) !important; }
.f-s5-nav { color: #334155; text-decoration: none; font-weight: 800; font-size: 14px; }
.f-s5-nav:hover { color: var(--matrix-primary); }

/* Block: about_id */
.a4-step { border-top: 4px solid var(--matrix-primary); }
.a4-body-card { border-radius: 40px !important; }
.a4-text { font-size: 1.1rem; line-height: 2; text-align: justify; }

/* Block: stats_id */
.s-s4-wrapper { border-radius: var(--matrix-radius) !important; }
.s-s4-icon { color: var(--matrix-primary); }
@media (max-width: 767px) { .border-end-sm { border-right: 1px solid #dee2e6; } }

/* Block: mission_id */
.m-s4-val { font-size: 2.5rem; font-weight: 900; color: var(--matrix-primary); margin-bottom: 5px; letter-spacing: -1px; }
.m-s4-grid > div { min-width: 120px; }

/* Block: why_us_id */
.w-s1-img-wrap img { border-radius: var(--matrix-radius); }
.w-s1-title { letter-spacing: -1px; }
.w-s1-icon { color: var(--matrix-primary); font-size: 1.5rem; }

/* Block: departments_id */
.d-s1-card { background: #f8fafc; border-radius: var(--matrix-radius); }
.d-s1-card:hover { transform: translateY(-8px); box-shadow: 0 12px 25px rgba(0,0,0,0.06) !important; }
.d-s1-icon { font-size: 2.5rem; color: var(--matrix-primary); }
.d-s1-title { letter-spacing: -1px; }

/* Block: security_id */
.sec-s6-circle { width: 85px; height: 85px; line-height: 85px; background: #f8fafc; color: var(--matrix-primary); border-radius: 50%; display: inline-block; font-size: 2rem; transition: 0.3s; }
.sec-s6-item:hover .sec-s6-circle { background: var(--matrix-primary); color: #fff; transform: rotateY(180deg); }

/* Block: judge_id */
.j-s4-bubble { width: 340px; background: #fafafa; border-radius: var(--matrix-radius); position: relative; }
.j-s4-bubble:hover { background: #fff; border-color: var(--matrix-primary) !important; box-shadow: 0 8px 15px rgba(0,0,0,0.05); }
.j-s4-avatar { width: 40px; height: 40px; border: 3px solid #fff; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.j-s4-scroll::-webkit-scrollbar { display: none; }

/* Block: app_id */
.bg-primary-s7 { background: var(--matrix-primary); }
.app-s7-btn-main { background: #000; color: #fff; padding: 15px 45px; border-radius: 4px; text-decoration: none; font-weight: 800; transition: 0.3s; }
.app-s7-btn-main:hover { background: var(--matrix-primary); }

/* Block: news_id */
.n-s5-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.n-s5-item:last-child { border-bottom: 0 !important; }

/* Block: faq_id */
/* 容器背景改为纯白，符合您的设计偏好 */
.faq-s6-wrapper { background: #ffffff !important; }

/* 卡片样式：浅灰色描边 + 悬浮阴影 */
.bg-card-s6 { 
    background: #ffffff; 
    border: 1px solid #f1f5f9 !important; 
    transition: all 0.3s ease;
}

/* 标题：强制使用您的主色调 */
.text-accent-s6 { color: var(--matrix-primary) !important; font-size: 1.05rem; }

/* 正文：深灰色，确保高可读性 */
.text-muted { color: #475569 !important; }

/* 交互：悬停时边框变色并轻微浮起 */
.bg-card-s6:hover { 
    border-color: var(--matrix-primary) !important; 
    background: #ffffff;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(var(--matrix-primary-rgb), 0.1) !important;
}

/* Block: update_id */
/* Style 7 - Pro Table */
.up-s7 .table { border-collapse: separate; border-spacing: 0; }
.up-s7 thead th { 
    background-color: #f8fafc; 
    border-bottom: 2px solid #e2e8f0; 
    color: #475569; 
    text-transform: uppercase; 
    font-size: 0.75rem; 
    letter-spacing: 1px; 
}
.up-s7 tbody tr { transition: 0.2s; }
.up-s7 tbody tr:hover { background-color: rgba(var(--matrix-primary-rgb), 0.02); }
.up-s7 .text-dark { color: #0f172a !important; }
.up-s7 .text-secondary { color: #64748b !important; }