: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-s3 { background: #0f172a; border-bottom: 5px solid var(--matrix-primary); }
.hero-s3-icon { font-size: 60px; color: var(--matrix-primary); }
.hero-s3-text { max-width: 750px; font-size: 1.1rem; line-height: 1.8; }
.badge-s3 { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 8px 25px; border-radius: 100px; font-size: 14px; }
.btn-s3 { background: var(--matrix-primary); color: #fff; padding: 16px 50px; border-radius: 50px; text-decoration: none; font-weight: 800; font-size: 18px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }

/* 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 */
.bg-primary-s5 { background: var(--matrix-primary) !important; }
.text-primary-s5 { color: var(--matrix-primary) !important; }
.m-s5-side { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); }

/* Block: why_us_id */
.w-s4-box { border-radius: var(--matrix-radius); }
.w-s4-box:hover { border-color: var(--matrix-primary) !important; background: #fafafa; }
.w-s4-num { font-size: 1.5rem; font-weight: 900; color: var(--matrix-primary); opacity: 0.3; }

/* Block: departments_id */
.d-s6-accent { color: #1e293b; letter-spacing: -2px; }
.d-s6-btn { background: var(--matrix-primary); color: #fff; text-decoration: none; font-weight: 800; text-transform: uppercase; transition: 0.3s; display: inline-block; }
.d-s6-btn:hover { opacity: 0.9; transform: scale(1.05); color: #fff; }

/* Block: security_id */
.sec-s2-img { border: 8px solid #fff; }
.sec-s2-badge { position: absolute; bottom: 30px; left: -10px; background: #dc3545; color: #fff; font-weight: 800; font-size: 12px; transform: rotate(-5deg); }
.sec-s2-check { width: 32px; height: 32px; background: var(--matrix-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; flex-shrink: 0; }

/* 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 */
.app-s5-btn { background: #000; color: #fff; padding: 15px 40px; border-radius: 8px; text-decoration: none; font-weight: 700; display: inline-block; }
.app-s5-card { background: #fff; border: 1px solid #eee; padding: 30px; border-radius: 20px; transition: 0.3s; }
.app-s5-card:hover { border-color: var(--matrix-primary); transform: translateY(-5px); }
.app-s5-card .num { font-size: 30px; font-weight: 900; color: var(--matrix-primary); opacity: 0.2; display: block; margin-bottom: 10px; }
.app-s5-card h5 { font-weight: 800; color: #1e293b; }

/* Block: news_id */
.n-s3-card { transition: 0.3s; }
.n-s3-card:hover { transform: translateY(-5px); border: 1px solid var(--matrix-primary); }

/* 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 5 - Cross Layout */
.up-s5 .bg-light { background-color: #f8fafc !important; border: 1px solid transparent !important; }
.up-s5 .border-light { border-color: #e2e8f0 !important; }
.up-s5 h5 { font-size: 1.15rem; color: #0f172a !important; }
.up-s5 p { color: #475569 !important; }
.up-s5 .col-lg-6 > div { transition: 0.3s; }
.up-s5 .col-lg-6 > div:hover { background: #fff !important; border-color: var(--matrix-primary) !important; box-shadow: 0 8px 20px rgba(0,0,0,0.05); }