: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-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 */
.a5-section { background: #0f172a !important; }
.a5-accent-text { color: var(--matrix-primary); }
.a5-main-content { line-height: 1.8; letter-spacing: 0.5px; }

/* Block: stats_id */
.s-s7-section { background: var(--matrix-primary); }
.s-s7-section .display-4 { letter-spacing: -2px; }

/* 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-s6-icon { font-size: 2.2rem; color: var(--matrix-primary); opacity: 0.8; }

/* 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-s5-inner { max-width: 850px; border-radius: 40px !important; }
.sec-s5-icon { font-size: 5rem; color: #198754; }
.sec-s5-inner h2 { letter-spacing: -1px; }

/* 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-s2 { background: #f8fafc; }
.app-s2-deco { position: absolute; width: 400px; height: 400px; background: var(--matrix-primary); filter: blur(150px); opacity: 0.1; top: -100px; right: -100px; }
.app-s2-glass { background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.4); border-radius: 40px; }
.app-s2-feature { padding: 20px; background: #fff; border-radius: 20px; transition: 0.3s; }
.app-s2-feature i { font-size: 24px; color: var(--matrix-primary); margin-bottom: 10px; }
.app-s2-feature h6 { margin: 0; font-weight: 800; color: #334155; }
.app-s2-cta { background: #000; color: #fff; padding: 15px 50px; border-radius: 100px; text-decoration: none; font-weight: 800; display: inline-block; }

/* Block: news_id */
.n-s2-img { width: 180px; height: 110px; }
.n-s2-item:hover { transform: translateX(8px); border-color: var(--matrix-primary) !important; }
@media (max-width: 576px) { .n-s2-img { width: 100px; height: 75px; } }

/* Block: faq_id */
.border-primary-s4 { border-color: var(--matrix-primary) !important; }
.faq-timeline-box { position: relative; }
.faq-dot { position: absolute; left: -11px; top: 5px; width: 18px; height: 18px; background: var(--matrix-primary); border: 4px solid #fff; border-radius: 50%; box-shadow: 0 0 10px rgba(0,0,0,0.1); }

/* 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); }