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

/* Block: headers_id */
.h1-header { background: var(--matrix-light); border-bottom: 1px solid rgba(0,0,0,0.05); }
.h1-logo { max-height: 50px; }
.h1-header .nav-link { color: #334155 !important; transition: 0.3s; }
.h1-header .nav-link:hover { color: var(--matrix-primary) !important; }
.h1-btn { background: var(--matrix-primary); color: #fff; padding: 8px 25px; border-radius: var(--matrix-radius); text-decoration: none; font-weight: 700; }

/* 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-s6-wrapper { background: #111 !important; }
.f-s6-link { color: rgba(255,255,255,0.6); text-decoration: none; transition: 0.3s; }
.f-s6-link: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-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-s6-icon { font-size: 3rem; color: var(--matrix-primary); }
@media (min-width: 768px) {
    .m-s6-border { border-left: 1px solid #f0f0f0; border-right: 1px solid #f0f0f0; }
}

/* Block: why_us_id */
.w-s7-btn-main { background: #fff; color: #000; padding: 15px 40px; border-radius: 50px; text-decoration: none; font-weight: 800; transition: 0.3s; }
.w-s7-btn-outline { border: 2px solid #fff; color: #fff; padding: 13px 38px; border-radius: 50px; text-decoration: none; font-weight: 800; transition: 0.3s; }
.w-s7-btn-main:hover { transform: scale(1.05); }
.w-s7-btn-outline:hover { background: #fff; color: #000; }

/* Block: departments_id */
.d-s5-tile { border-radius: var(--matrix-radius); box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.d-s5-tile:hover { background: var(--matrix-primary); }
.d-s5-tile:hover .d-s5-icon, .d-s5-tile:hover h6, .d-s5-tile:hover p { color: #fff !important; }
.d-s5-icon { font-size: 2rem; color: var(--matrix-primary); }

/* Block: security_id */
.sec-s3 { background: #0f172a; }
.sec-s3-accent { color: var(--matrix-primary); } /* 建议此处 Primary 为亮色如金或青 */
.sec-s3-box { background: rgba(255,255,255,0.02); border-color: rgba(255,255,255,0.1) !important; }
.sec-s3-box:hover { border-color: var(--matrix-primary) !important; background: rgba(255,255,255,0.06); transform: scale(1.03); }

/* Block: judge_id */
.j-s6-section { background: var(--matrix-primary); }
.j-s6-card { border-radius: var(--matrix-radius); box-shadow: 10px 10px 0 rgba(0,0,0,0.1); }
.j-s6-card:hover { transform: translate(-3px, -3px); box-shadow: 15px 15px 0 rgba(0,0,0,0.15); }
.j-s6-avatar { width: 40px; height: 40px; border: 2px solid #eee; }

/* 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-s6-box { border: 1px solid #f0f0f0; transition: 0.4s; }
.n-s6-box:hover img { transform: scale(1.05); transition: 0.6s; }

/* 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 4 - Clean List */
.up-s4 { background: #ffffff !important; }
.up-s4 .border-bottom { border-color: #f1f5f9 !important; }
.up-s4 .text-primary { color: var(--matrix-primary) !important; font-variant-numeric: tabular-nums; }
.up-s4 h6 { color: #1e293b !important; transition: 0.2s; }
.up-s4 .row:hover h6 { color: var(--matrix-primary) !important; }
.up-s4 p { color: #64748b !important; }