: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-s2-tag { color: var(--matrix-primary); font-weight: 800; font-size: 16px; letter-spacing: 2px; }
.text-primary-s2 { color: var(--matrix-primary); }
.btn-s2 { background: #000; color: #fff; padding: 14px 35px; border-radius: 4px; text-decoration: none; font-weight: 700; }
.hero-s2-img-box { position: relative; padding-left: 20px; }
.hero-s2-img-box img { border-radius: 40px 0 40px 0; box-shadow: 20px 20px 60px rgba(0,0,0,0.1); }
.hero-s2-float-card { position: absolute; bottom: 30px; left: -20px; background: #fff; padding: 15px 25px; border-radius: 12px; font-weight: 700; }

/* 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 */
.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-s5-accent { color: var(--matrix-primary); font-size: 2.5rem; }
.s-s5-img-container { position: relative; }
.s-s5-img-container::after { content: ''; position: absolute; top: -10px; right: -10px; width: 100px; height: 100px; border: 5px solid var(--matrix-primary); border-left: 0; border-bottom: 0; border-radius: 0 var(--matrix-radius) 0 0; z-index: -1; }

/* Block: mission_id */
.m-s7-section { border-bottom: 4px solid var(--matrix-primary); }
.m-s7-capsules span { font-weight: 800; text-transform: uppercase; letter-spacing: 2px; padding: 0 20px; border-right: 1px solid rgba(255,255,255,0.2); }
.m-s7-capsules span:last-child { border-right: none; }

/* 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 */
.text-primary-s7 { color: var(--matrix-primary); }
.d-s7-icon { font-size: 2.2rem; color: var(--matrix-primary); opacity: 0.8; }

/* 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-s7-img-box { width: 100px; height: 100px; padding: 5px; border: 2px dashed var(--matrix-primary); border-radius: 50%; }
.j-s7-item h6 { letter-spacing: 1px; }
.italic-style { font-style: italic; opacity: 0.8; line-height: 1.6; }

/* Block: app_id */
.app-s3 { background: #0f172a !important; }
.app-s3-dl-box { display: flex; align-items: center; gap: 20px; background: rgba(255,255,255,0.05); padding: 20px 30px; border-radius: 15px; border: 1px solid rgba(255,255,255,0.1); }
.app-s3-mockup { border: 10px solid #1e293b; border-radius: 40px; overflow: hidden; transform: rotate(5deg); }

/* Block: news_id */
.n-s7-num { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 900; background: #ddd; color: #fff; border-radius: 4px; }
.n-s7-num.active { background: 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 3 - Terminal Mode */
.up-s3 .terminal-box { 
    border: 1px solid #334155 !important;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3) !important;
}
.up-s3 .terminal-body { 
    font-family: 'Fira Code', 'Courier New', monospace; 
    line-height: 1.8;
}
.up-s3 .text-primary { color: var(--matrix-primary) !important; }
.up-s3 .text-success { color: #10b981 !important; }
.up-s3 p { margin-bottom: 0.5rem; }