* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Poppins', 'Microsoft YaHei', sans-serif;
    background: #0b0c15;
    color: #e6e9f0;
    line-height: 1.5;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 科技武侠风格 */
.hero-nav {
    background: rgba(8, 12, 25, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
    filter: drop-shadow(0 0 4px rgba(0,255,255,0.3));
    transition: 0.2s;
}

.nav-links {
    display: flex;
    gap: 16px;
}

.nav-btn {
    background: rgba(20, 30, 55, 0.7);
    padding: 8px 20px;
    border-radius: 40px;
    text-decoration: none;
    color: #ccddee;
    font-weight: 500;
    transition: 0.3s;
    border: 1px solid rgba(100, 150, 200, 0.3);
}

.nav-btn i {
    margin-right: 8px;
}

.nav-btn.active, .nav-btn:hover {
    background: linear-gradient(95deg, #2a3a6e, #1f2a4e);
    border-color: #3ecf8e;
    color: white;
    box-shadow: 0 0 8px #3ecf8e66;
}

/* 版权 */
.copyright {
    background: #03050a;
    border-top: 1px solid #1e2a3a;
    text-align: center;
    padding: 32px 0;
    margin-top: 60px;
}

.footer-content {
    opacity: 0.8;
    font-size: 0.85rem;
}

.footer-logo img {
    margin-right: 6px;
}

/* 响应式 */
@media (max-width: 768px) {
    .nav-container { flex-direction: column; gap: 12px; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    .logo-img { height: 38px; }
}