: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 */
.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-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-s1-list li { display: flex; align-items: start; margin-bottom: 20px; }
.m-s1-list li i { color: var(--matrix-primary); margin-right: 15px; margin-top: 5px; font-size: 1.1rem; }
.m-s1-list li strong { color: #1e293b; display: block; margin-bottom: 2px; }
.m-s1-img-box img { border-radius: var(--matrix-radius) !important; }

/* Block: why_us_id */
.w-s3-section { background: #0f172a; }
.w-s3-accent { color: var(--matrix-primary); }
.w-s3-pill { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.1) !important; }
.w-s3-img { border-radius: var(--matrix-radius); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }

/* 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-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-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-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-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 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; }