/* 导航栏样式（和子页面一致） */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 16, 31, 0.9);
    backdrop-filter: blur(10px);
    z-index: 9999;
    padding: 16px 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(22, 93, 255, 0.1);
    will-change: padding;
}

.navbar.scroll {
    padding: 8px 0;
    background-color: rgba(10, 16, 31, 0.98);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.desktop-cta {
    display: flex;
    gap: 15px;
    margin-left: auto;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
    padding-left: 50px;
}

.nav-links a {
    font-size: 17px;
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
    color: var(--text-primary);
    z-index: 10000;
    -webkit-tap-highlight-color: transparent;
    font-size: 24px;
}

/* 移动端菜单（和子页面一致） */
.mobile-menu {
    display: none;
    background-color: var(--dark-bg);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    width: 100%;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    position: relative;
    z-index: 9999;
}

.mobile-menu.show {
    display: block !important;
}

.mobile-menu .container {
    display: flex;
    gap: 20px;
    justify-content: space-evenly;
    align-items: stretch;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-links a {
    font-size: 18px;
    color: var(--text-primary);
    padding: 10px 0;
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-cta .btn {
    width: 100%;
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .desktop-cta { display: none; }
    .hamburger { display: block; }

}