/* Navigation Styles based on Model */
.kuaibao-header {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    width: 100%;
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    flex-wrap: wrap;
    gap: 16px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    background: var(--accent);
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.35rem;
}

.logo-text {
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: -0.3px;
    color: var(--text);
}

.nav-menu {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
}

.nav-link.active {
    border-bottom: 2px solid var(--accent);
    padding-bottom: 4px;
}

.header-extra {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-trigger-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    transition: all 0.2s;
}

.nav-trigger-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg);
}

.nav-trigger-btn i {
    font-size: 0.9rem;
}

@media (max-width: 780px) {
    .header-inner {
        flex-direction: column;
        gap: 12px;
    }
    .nav-menu {
        gap: 15px;
    }
}