: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-s7-deco { width: 40px; height: 2px; background: #000; }
.hero-s7-h1 { font-weight: 200; font-size: 3.5rem; letter-spacing: 5px; color: #000; }
.hero-s7-p { max-width: 700px; color: #64748b; font-size: 1.2rem; line-height: 2; font-weight: 300; }
.btn-s7-main { border: 1px solid #000; color: #000; padding: 15px 50px; text-decoration: none; text-transform: uppercase; letter-spacing: 2px; transition: 0.3s; }
.btn-s7-main:hover { background: #000; color: #fff; }

/* Block: footers_id */
.f-s7-card { background: rgba(0,0,0,0.85); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--matrix-radius); }
.f-s7-sub { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 13px; margin-right: 15px; }
.f-s7-sub:hover { color: var(--matrix-primary); }
.f-s7-btn { background: var(--matrix-primary); color: #fff; padding: 12px 25px; border-radius: 100px; text-decoration: none; font-weight: 800; display: inline-block; }

/* 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-s2-section { background: #0f172a; }
.s-s2-title { color: var(--matrix-primary); }
.s-s2-box { background: rgba(255, 255, 255, 0.03); border-color: rgba(255, 255, 255, 0.1) !important; }
.s-s2-accent { color: var(--matrix-primary); }
.s-s2-box:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--matrix-primary) !important; }

/* 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-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-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-s5-btn { background: #000; color: #fff; padding: 15px 40px; border-radius: 8px; text-decoration: none; font-weight: 700; display: inline-block; }
.app-s5-card { background: #fff; border: 1px solid #eee; padding: 30px; border-radius: 20px; transition: 0.3s; }
.app-s5-card:hover { border-color: var(--matrix-primary); transform: translateY(-5px); }
.app-s5-card .num { font-size: 30px; font-weight: 900; color: var(--matrix-primary); opacity: 0.2; display: block; margin-bottom: 10px; }
.app-s5-card h5 { font-weight: 800; color: #1e293b; }

/* 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 */
.text-primary-s3 { color: var(--matrix-primary); letter-spacing: -0.5px; }
.faq-s3-row { transition: background 0.3s; }
.faq-s3-row:hover { background: #fcfcfc; }

/* 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; }