: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-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 */
.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-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-s3-section { background: #0f172a; }
.d-s3-box { background: rgba(255,255,255,0.02); border-color: rgba(255,255,255,0.1) !important; }
.d-s3-box:hover { border-color: var(--matrix-primary) !important; background: rgba(255,255,255,0.05); }
.d-s3-icon-wrap { font-size: 3rem; color: var(--matrix-primary); text-shadow: 0 0 15px var(--matrix-primary); }

/* 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-s2-card { width: 320px; background: #f8f9fa; border-radius: var(--matrix-radius); white-space: normal; transition: 0.3s; }
.j-s2-card:hover { box-shadow: 0 10px 20px rgba(0,0,0,0.05) !important; transform: scale(1.02); }
.j-s2-avatar { width: 32px; height: 32px; filter: grayscale(100%); transition: 0.3s; }
.j-s2-card:hover .j-s2-avatar { filter: grayscale(0%); }
.j-s2-scroll-wrapper::-webkit-scrollbar { height: 4px; }
.j-s2-scroll-wrapper::-webkit-scrollbar-thumb { background: var(--matrix-primary); border-radius: 10px; }

/* 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-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 */
.faq-s5-wrapper .accordion-button:not(.collapsed) { background-color: var(--matrix-primary); color: #fff; }
.faq-s5-wrapper .accordion-button:focus { box-shadow: none; border-color: rgba(0,0,0,0.1); }
.faq-s5-wrapper .accordion-item { border-radius: var(--matrix-radius) !important; }

/* Block: update_id */
/* Style 2 - Grid Cards */
.up-s2 { background: #f8fafc !important; }
.up-s2 .bg-white { 
    border: 1px solid #e2e8f0 !important; 
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
}
.up-s2 .bg-white:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05) !important;
    border-color: var(--matrix-primary) !important;
}
.up-s2 h6 { color: #0f172a !important; font-size: 1.1rem; }
.up-s2 p { color: #475569 !important; }