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

/* Block: headers_id */
/* 核心修复：彻底禁止链接下划线和默认蓝色 */
.h5-link {
    text-decoration: none !important; /* 强制取消下划线 */
    color: #334155 !important;       /* 强制使用深灰色，拒绝默认蓝 */
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

/* 悬停状态：颜色变为主色，且依然不准有下划线 */
.h5-link:hover {
    color: var(--matrix-primary) !important;
    text-decoration: none !important;
    transform: translateY(-1px);
}

/* 进场按钮优化：增加一点阴影和缩放感 */
.h5-btn {
    background: #0f172a;
    color: #ffffff !important;
    padding: 8px 25px;
    border-radius: 50px;
    text-decoration: none !important;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.h5-btn:hover {
    background: var(--matrix-primary);
    color: #fff !important;
    transform: scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(var(--matrix-primary-rgb), 0.3);
}

/* 兼容性处理：防止点击后出现蓝色轮廓 */
.h5-link:focus, .h5-btn:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* 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-s2-wrapper { position: relative; }
.f-s2-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.9); }
.f-s2-logo { height: 45px; }
.f-s2-nav { color: #fff; text-decoration: none; font-weight: 700; font-size: 15px; }
.f-s2-nav:hover { color: var(--matrix-primary); }

/* Block: about_id */
.a2-tag-card { background: #f8fafc; border: 1px solid #eee; padding: 15px; text-align: center; font-weight: 800; color: var(--matrix-primary); border-radius: 8px; }
.a2-main-body { font-size: 1.05rem; }
.a2-section .text-primary { color: var(--matrix-primary) !important; }

/* Block: stats_id */
.s-s6-circle { 
    width: 200px; height: 200px; 
    background: #fff; border: 2px solid #eee; 
    border-radius: 50%; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}
.s-s6-circle h3 { color: var(--matrix-primary); }
.s-s6-circle:hover { 
    border-color: var(--matrix-primary); 
    transform: scale(1.05); 
    box-shadow: 0 15px 40px rgba(0,0,0,0.08); 
}

/* 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-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-s7 .display-4 { letter-spacing: -2px; }
.sec-s7-pill { background: rgba(var(--matrix-primary-rgb), 0.05); }
.tracking-widest { letter-spacing: 0.2rem; font-size: 0.8rem; }

/* Block: judge_id */
.j-s3-box { border-radius: var(--matrix-radius); }
.j-s3-box:hover { box-shadow: 0 15px 30px rgba(0,0,0,0.08) !important; border-top: 3px solid var(--matrix-primary) !important; }
.j-s3-avatar { width: 40px; height: 40px; object-fit: cover; }
.j-s3-section .border-primary { border-color: var(--matrix-primary) !important; }

/* Block: app_id */
.app-s4 i { color: var(--matrix-primary) !important; }
.app-s4 .btn-primary { background: var(--matrix-primary); border-color: var(--matrix-primary); }

/* 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 */
.faq-icon-s7 { font-size: 32px; color: var(--matrix-primary); }
.faq-s7-wrapper h5 { letter-spacing: -0.5px; }

/* 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); }