[data-page="login"] .page-content.login-screen-content {
    background: var(--secondary-bg); /* 使用浅灰背景覆盖整个页面 */
    display: flex;
    justify-content: center;
    min-height: 100vh; /* 确保背景覆盖整个视口高度 */
    padding: 20px;
}

.navbar-large.navbar-transparent {
    background: transparent;
    box-shadow: none;
}

.navbar-large.navbar-transparent .title {
    color: var(--text-dark);
    font-weight: 600;
}

.login-container {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
    padding: 50px 30px;
    border-radius: 16px;
}

.brand-section {
    margin-bottom: 40px;
    color: var(--text-dark);
}

.brand-logo .f7-icons {
    color: var(--accent-blue) !important;
    font-size: 5rem !important;
    margin-bottom: 20px;
}

.brand-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.brand-subtitle {
    font-size: 1rem;
    color: var(--text-medium);
    margin: 0;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.action-buttons .button {
    width: 100%;
    height: 48px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.2s ease;
    margin: 0;
}

.action-buttons .button:nth-child(1) {
    background: var(--accent-blue);
    color: white;
    border: none;
}

.action-buttons .button:nth-child(1):hover {
    background: #e05a3a;
    transform: translateY(-2px);
}

.action-buttons .button:nth-child(2) {
    background: transparent;
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}

.action-buttons .button:nth-child(2):hover {
    background: rgba(255, 107, 74, 0.1);
    transform: translateY(-2px);
}

@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px;
    }

    .brand-logo .f7-icons {
        font-size: 4rem !important;
    }

    .brand-title {
        font-size: 1.5rem;
    }
}